diff --git a/.github/actions/build-installer/action.yml b/.github/actions/build-installer/action.yml
index df13f65d..b51a61b4 100644
--- a/.github/actions/build-installer/action.yml
+++ b/.github/actions/build-installer/action.yml
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # The installer build shared by release.yml and alpha.yml, so a build step is changed in one place.
 #
 # Runs after actions/checkout. It reads the version from src/version.h, runs every test gate and
@@ -25,6 +27,11 @@ runs:
         . ./tools/version.ps1      # Get-WindVersion: the one src/version.h reader
         "version=$(Get-WindVersion (Get-Location).Path)" >> $env:GITHUB_OUTPUT
 
+    # Cheap provenance gate first: every first-party source file carries the copyright header.
+    - name: Copyright headers
+      shell: pwsh
+      run: pwsh -File tools/check_copyright.ps1
+
     - name: Install NSIS
       shell: pwsh
       run: choco install nsis --no-progress -y
diff --git a/.github/workflows/alpha.yml b/.github/workflows/alpha.yml
index 5d346678..423fd12d 100644
--- a/.github/workflows/alpha.yml
+++ b/.github/workflows/alpha.yml
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # Alpha / nightly channel: build an installer from ANY branch, on demand, without touching the
 # stable download.
 #
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 8a7bcd66..7fa878c8 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 name: build
 
 on:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 22e9397a..d8fc4478 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # Keep the published release in step with main.
 #
 # The problem this exists for: v0.1.0 shipped, a fix landed on main, and the release kept
@@ -109,6 +111,43 @@ jobs:
             if ($LASTEXITCODE -ne 0) { throw 'gh release create failed' }
           }
 
+      # Provenance: a record of this commit, its tree and the SHA-256 of its source
+      # archive and installer, stamped with OpenTimestamps (Bitcoin-anchored, cannot be backdated).
+      # The proof starts pending; docs/provenance/README.md says how to upgrade and verify it. A
+      # calendar outage must never block a release, hence continue-on-error.
+      - name: Timestamp provenance
+        continue-on-error: true
+        shell: pwsh
+        env:
+          GH_TOKEN: ${{ github.token }}
+          GH_REPO: ${{ github.repository }}
+        run: |
+          $ErrorActionPreference = 'Continue'
+          $PSNativeCommandUseErrorActionPreference = $false
+          $v = '${{ steps.ver.outputs.version }}'
+          $sha = '${{ github.sha }}'
+          git archive --format=tar -o src.tar $sha
+          $rec = "provenance-$v.txt"
+          @(
+            'Wind release provenance record'
+            'Owner: Max Aubert'
+            "Repository: https://github.com/${{ github.repository }}"
+            "Version: $v"
+            "Commit: $sha"
+            "Tree: $(git rev-parse "$sha^{tree}")"
+            "Source archive (git archive --format=tar $sha) SHA-256: $((Get-FileHash src.tar -Algorithm SHA256).Hash.ToLower())"
+            "Installer Wind-Setup-x64-$v.exe SHA-256: $('${{ steps.notes.outputs.sha }}'.ToLower())"
+          ) | Set-Content $rec -Encoding utf8NoBOM
+          python -m pip install --quiet opentimestamps-client
+          # python-bitcoinlib cannot find OpenSSL on Windows by name (the plain `ots` command dies
+          # at import), so point it at Python's own libcrypto and call the client's main directly.
+          $dll = Get-ChildItem (Join-Path (python -c "import sys;print(sys.base_prefix)") 'DLLs') -Filter 'libcrypto*.dll' | Select-Object -First 1
+          $shim = "import sys,ctypes.util as u;o=u.find_library;u.find_library=lambda n: r'$($dll.FullName)' if n in ('ssl','libeay32','crypto') else o(n);from otsclient.ots import main;sys.argv[0]='ots';main()"
+          python -c $shim stamp $rec
+          if (-not (Test-Path "$rec.ots")) { throw 'ots stamp failed' }
+          gh release upload "v$v" $rec "$rec.ots" --clobber
+          if ($LASTEXITCODE -ne 0) { throw 'provenance upload failed' }
+
       - name: Summary
         shell: pwsh
         run: |
diff --git a/CLAUDE.md b/CLAUDE.md
index 3f504ea8..303682d3 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -18,6 +18,7 @@ are frozen history cited from code, not kept in step with it.
 - `build.bat installer`: NSIS setup (needs `winget install NSIS.NSIS`), then `tools\installer_check.ps1`.
 - `pwsh -File tools\release.ps1`: release installer into `dist\` (what CI runs).
 - UI tests: `npx playwright test` in `ui/` (run when anything under `ui/` changes).
+- `pwsh -File tools\check_copyright.ps1`: CI gate; every new source file needs the copyright/SPDX header. See 11.
 
 ## Stack and map
 - Three binaries: `Wind.exe` (core, UIAccess when installed), `WindConfig.exe` (WebView2 settings),
diff --git a/build.bat b/build.bat
index 12fb43d9..5f2a2da9 100644
--- a/build.bat
+++ b/build.bat
@@ -1,4 +1,6 @@
 @echo off
+rem Copyright (c) 2026 Max Aubert. All rights reserved.
+rem Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 setlocal enabledelayedexpansion
 set "ROOT=%~dp0"
 cd /d "%ROOT%"
diff --git a/docs/architecture/11-build-test-release.md b/docs/architecture/11-build-test-release.md
index c9b2bddb..429b572a 100644
--- a/docs/architecture/11-build-test-release.md
+++ b/docs/architecture/11-build-test-release.md
@@ -94,6 +94,18 @@ keys), the Playwright UI suite and `tools/release.ps1`, so an NSIS compile error
 `installer_check.ps1` breaks the PR, not main. Nothing is published from it. Run the Playwright suite
 locally too when anything under `ui/` changes.
 
+**Copyright headers.** Every tracked first-party source file opens with a two-line notice,
+`Copyright (c) 2026 Max Aubert. All rights reserved.` and `Proprietary
+source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary`, in
+the file's own comment syntax (`//`, `#`, `;`, `rem` after `@echo off`, `/* */`, `<!-- -->` after
+`<!doctype html>`). `tools/check_copyright.ps1` fails when a covered file lacks the SPDX line in its
+first 5 lines; it is the first gate in `build-installer`, and `-List` prints the files it covers.
+It skips third-party code (`third_party/`, `upscale_nis.h`, `upscale_shaders.h`, which keep their
+upstream notices), generated files (`flyout_palettes.h`, `themes.css`, `themes.js`, `over.nsh`),
+`docs/` and `tests/fixtures/`. A new source file needs the header; a new generated or vendored
+file goes in the script's exclusion lists. The binaries carry the same notice as `LegalCopyright`
+(`src/wind.rc`, `src/tray_app/wind_tray.rc`, `installer/wind.nsi`).
+
 ## Local UIAccess deploy
 
 UIAccess is needed for the input-transform publish (transform on the desktop), binds over
diff --git a/installer/app.nsh b/installer/app.nsh
index a4ebc1cf..ea6f7d74 100644
--- a/installer/app.nsh
+++ b/installer/app.nsh
@@ -1,3 +1,5 @@
+; Copyright (c) 2026 Max Aubert. All rights reserved.
+; Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 ;
 ; Wind setup, the parts that are about Wind rather than about installing.
 ;
diff --git a/installer/kit.nsh b/installer/kit.nsh
index a1779ee6..5b1f8cf3 100644
--- a/installer/kit.nsh
+++ b/installer/kit.nsh
@@ -1,3 +1,5 @@
+; Copyright (c) 2026 Max Aubert. All rights reserved.
+; Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 ;
 ; Wind setup, part one: the window.
 ;
diff --git a/installer/local-sign.ps1 b/installer/local-sign.ps1
index a6415da5..62e08106 100644
--- a/installer/local-sign.ps1
+++ b/installer/local-sign.ps1
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 <#
     Signs the installed Wind on THIS PC so Windows grants it UIAccess.
 
diff --git a/installer/make-loop.mjs b/installer/make-loop.mjs
index bb63a054..7ed01157 100644
--- a/installer/make-loop.mjs
+++ b/installer/make-loop.mjs
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 /**
  * Builds the video loop setup plays, from a source clip.
  *
diff --git a/installer/make-over.mjs b/installer/make-over.mjs
index b17e2041..34c336e4 100644
--- a/installer/make-over.mjs
+++ b/installer/make-over.mjs
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 /**
  * Renders installer/over.html into the alpha overlays the installer composites over its
  * video loop, plus the rectangles NSIS needs to know about.
diff --git a/installer/over.html b/installer/over.html
index 4333a2b8..bc9ff59e 100644
--- a/installer/over.html
+++ b/installer/over.html
@@ -1,4 +1,6 @@
 <!doctype html>
+<!-- Copyright (c) 2026 Max Aubert. All rights reserved.
+     Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary -->
 <html lang="en">
 <head>
 <meta charset="utf-8" />
diff --git a/installer/plain.nsh b/installer/plain.nsh
index 4be85d66..5487fdac 100644
--- a/installer/plain.nsh
+++ b/installer/plain.nsh
@@ -1,3 +1,5 @@
+; Copyright (c) 2026 Max Aubert. All rights reserved.
+; Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 ;
 ; Wind setup, the accessible plain pages (issue #513).
 ;
diff --git a/installer/screens.nsh b/installer/screens.nsh
index 8763647e..940c1e7a 100644
--- a/installer/screens.nsh
+++ b/installer/screens.nsh
@@ -1,3 +1,5 @@
+; Copyright (c) 2026 Max Aubert. All rights reserved.
+; Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 ;
 ; Wind setup, the five screens.
 ;
diff --git a/installer/user-localappdata.ps1 b/installer/user-localappdata.ps1
index b299dea1..2c134eac 100644
--- a/installer/user-localappdata.ps1
+++ b/installer/user-localappdata.ps1
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 <#
     Prints the %LOCALAPPDATA% folder of the user who owns the desktop in this session (issue #274).
 
diff --git a/installer/video.nsh b/installer/video.nsh
index c7fa43ac..426879a6 100644
--- a/installer/video.nsh
+++ b/installer/video.nsh
@@ -1,3 +1,5 @@
+; Copyright (c) 2026 Max Aubert. All rights reserved.
+; Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 ;
 ; Wind setup, the picture: a video loop with the UI composited over it.
 ;
diff --git a/installer/wind.nsi b/installer/wind.nsi
index ee03ee48..1869252c 100644
--- a/installer/wind.nsi
+++ b/installer/wind.nsi
@@ -1,3 +1,5 @@
+; Copyright (c) 2026 Max Aubert. All rights reserved.
+; Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 ;
 ; Wind setup.
 ;
@@ -43,7 +45,7 @@ VIAddVersionKey "FileDescription" "Wind setup"
 VIAddVersionKey "FileVersion"     "${WIND_VERSION}"
 VIAddVersionKey "ProductVersion"  "${WIND_VERSION}"
 VIAddVersionKey "CompanyName"     "${PUBLISHER}"
-VIAddVersionKey "LegalCopyright"  "Copyright (c) 2026 ${PUBLISHER}"
+VIAddVersionKey "LegalCopyright"  "Copyright (c) 2026 ${PUBLISHER}. All rights reserved."
 
 !include "MUI2.nsh"
 !include "LogicLib.nsh"
diff --git a/src/color/color_filter.cpp b/src/color/color_filter.cpp
index f523c447..fe0d82ff 100644
--- a/src/color/color_filter.cpp
+++ b/src/color/color_filter.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "color_filter.h"
 #include "mag_host.h"
 #include "logging.h"
diff --git a/src/color/color_filter.h b/src/color/color_filter.h
index 4c8dbfaa..914de1d0 100644
--- a/src/color/color_filter.h
+++ b/src/color/color_filter.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Colour filter controller (issue #288). Applies the DWM colour effect (MagSetFullscreenColorEffect)
 // on the tick thread, deduped so an unchanged filter costs one compare
diff --git a/src/color/color_matrix.h b/src/color/color_matrix.h
index 27e32283..bddd0e39 100644
--- a/src/color/color_matrix.h
+++ b/src/color/color_matrix.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Colour filter matrices (issue #288). Pure; tests/test_color_matrix.cpp.
 //
diff --git a/src/color/cursor_tint.cpp b/src/color/cursor_tint.cpp
index 957d5b4c..fa843cdc 100644
--- a/src/color/cursor_tint.cpp
+++ b/src/color/cursor_tint.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "cursor_tint.h"
 #include "cursor_tint_pixels.h"
 #include "logging.h"
diff --git a/src/color/cursor_tint.h b/src/color/cursor_tint.h
index aa1e9e21..f4d1bcf4 100644
--- a/src/color/cursor_tint.h
+++ b/src/color/cursor_tint.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Tinted system pointers at 1x (spec 2026-09-30-cursor-tint-design.md). Windows draws the pointer on
 // a hardware plane the DWM colour effect never reaches, so while Warmth/Brightness are on Wind swaps
diff --git a/src/color/cursor_tint_pixels.h b/src/color/cursor_tint_pixels.h
index 437d3f15..5974bf46 100644
--- a/src/color/cursor_tint_pixels.h
+++ b/src/color/cursor_tint_pixels.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Pixel work for the tinted 1x pointer (spec 2026-09-30-cursor-tint-design.md). Pure; tests in
 // tests/test_cursor_tint.cpp. Pixels are 32bpp BI_RGB DIB values: 0xAARRGGBB, straight (not
diff --git a/src/config/config.cpp b/src/config/config.cpp
index 0120fa39..7f3ad007 100644
--- a/src/config/config.cpp
+++ b/src/config/config.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "config.h"
 #include "keybind_rules.h"   // one safety rule set for every bind (#285)
 #include "ini_edit.h"   // wheel migration (#318): pure text edits
diff --git a/src/config/config.h b/src/config/config.h
index 2002ded6..92aecd8c 100644
--- a/src/config/config.h
+++ b/src/config/config.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 #include <string>
 namespace wind {
diff --git a/src/config/config_path.h b/src/config/config_path.h
index 8cc4a3aa..a72ff06d 100644
--- a/src/config/config_path.h
+++ b/src/config/config_path.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // Shared helper to resolve magnifier.ini's runtime path. MUST be included AFTER <windows.h>.
 //
 // Returns the exe's directory if it is writable (dev workflow, repo dir), else
diff --git a/src/config/ini_edit.cpp b/src/config/ini_edit.cpp
index 3de67820..d574580d 100644
--- a/src/config/ini_edit.cpp
+++ b/src/config/ini_edit.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "ini_edit.h"
 #include <sstream>
 namespace wind {
diff --git a/src/config/ini_edit.h b/src/config/ini_edit.h
index fa946f01..426451bf 100644
--- a/src/config/ini_edit.h
+++ b/src/config/ini_edit.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 #include <string>
 #include <map>
diff --git a/src/config/profile_switch.h b/src/config/profile_switch.h
index bf299f24..4ceca626 100644
--- a/src/config/profile_switch.h
+++ b/src/config/profile_switch.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // Profile switching and "relaunch Wind, put the model back if that fails", shared by the tray
 // (WindTray.exe) and the settings host (WindConfig.exe). Win32: MUST be included AFTER <windows.h>.
 // Each surface keeps only its own messages and logging; the steps and their order live here once.
diff --git a/src/config/profiles.cpp b/src/config/profiles.cpp
index b4b7b5af..cabb746a 100644
--- a/src/config/profiles.cpp
+++ b/src/config/profiles.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "profiles.h"
 #include "ini_edit.h"
 #include "config.h"   // DefaultIniText: the built-in default of every templated key
diff --git a/src/config/profiles.h b/src/config/profiles.h
index f13402cc..2caa16f5 100644
--- a/src/config/profiles.h
+++ b/src/config/profiles.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // Pure profile logic (no <windows.h>): what belongs in a profile file vs the live magnifier.ini,
 // profile-name validation, and the text transforms used on every switch/mirror. I/O lives in
 // src/config/profiles_io.h (Win32) and the callers. See docs/specs/2026-08-12-profiles-design.md.
diff --git a/src/config/profiles_io.h b/src/config/profiles_io.h
index a73a2f30..f2e8a150 100644
--- a/src/config/profiles_io.h
+++ b/src/config/profiles_io.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // Win32 I/O for profiles (thin; paths, UTF-8, atomic read/write and listing: tests/test_profiles_io.cpp).
 // MUST be included AFTER <windows.h>. Shared by Wind.exe (tray + migration) and WindConfig.exe
 // (bridge handlers) so both always resolve the same profiles directory next to the resolved ini.
diff --git a/src/config_ui/bridge_json.h b/src/config_ui/bridge_json.h
index 1025ca50..498be716 100644
--- a/src/config_ui/bridge_json.h
+++ b/src/config_ui/bridge_json.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // The settings host's JSON, both directions of the WebView2 bridge. Pure (no <windows.h>), so it
 // compiles into the WIND_TESTS build; tests/test_bridge_json.cpp.
 //
diff --git a/src/config_ui/main.cpp b/src/config_ui/main.cpp
index 3016d18f..36157f8e 100644
--- a/src/config_ui/main.cpp
+++ b/src/config_ui/main.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "webview_recover.h"
 #include <windows.h>
 #include <dwmapi.h>
diff --git a/src/config_ui/webview_recover.h b/src/config_ui/webview_recover.h
index 7f26a1bb..94b370d0 100644
--- a/src/config_ui/webview_recover.h
+++ b/src/config_ui/webview_recover.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // What Settings does when a WebView2 process dies (field 2026-09-29: RTSS's global hook crashes the
 // WebView2 browser process at start-up, a use-after-unload of dxgi.dll inside RTSSHooks64, and the
diff --git a/src/config_ui/wind_watchdog.h b/src/config_ui/wind_watchdog.h
index ce7cd1d4..db504ce8 100644
--- a/src/config_ui/wind_watchdog.h
+++ b/src/config_ui/wind_watchdog.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // Pure decision logic for "the magnifier is gone, so close the config window".
 // Deliberately free of <windows.h> so it compiles into the WIND_TESTS build.
 #pragma once
diff --git a/src/core/com_util.h b/src/core/com_util.h
index 578998ed..b0ba75de 100644
--- a/src/core/com_util.h
+++ b/src/core/com_util.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 namespace wind {
 // Release a COM interface pointer and null it. Safe on null. Shared by the renderer and the
diff --git a/src/core/hitch_record.cpp b/src/core/hitch_record.cpp
index ca2fd3a7..8af5c2c7 100644
--- a/src/core/hitch_record.cpp
+++ b/src/core/hitch_record.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // src/core/hitch_record.cpp - see hitch_record.h. Pure: compiled into the WIND_TESTS build.
 #include "hitch_record.h"
 #include <cstdio>
diff --git a/src/core/hitch_record.h b/src/core/hitch_record.h
index 096f8bad..7a6167ed 100644
--- a/src/core/hitch_record.h
+++ b/src/core/hitch_record.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // src/core/hitch_record.h
 // Per-tick flight recorder and hitch classifier (#361). Pure (no <windows.h>): the tick loop fills
 // TickRec with QPC spans and thread CPU time; this file decides what a long frame was and renders
diff --git a/src/core/idle_policy.h b/src/core/idle_policy.h
index 8b8cd5c5..246e2b3f 100644
--- a/src/core/idle_policy.h
+++ b/src/core/idle_policy.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Event-driven idle (issue #71): may the main loop sleep until an input event or the ~100 ms
 // housekeeping timeout, instead of ticking at the monitor refresh? Pure; tests/test_idle_policy.cpp.
diff --git a/src/core/log_queue.h b/src/core/log_queue.h
index 22496d4a..655f88cc 100644
--- a/src/core/log_queue.h
+++ b/src/core/log_queue.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // src/core/log_queue.h
 // Bounded multi-producer / single-consumer queue for log lines (#361). Pure (no <windows.h>).
 //
diff --git a/src/core/logging.cpp b/src/core/logging.cpp
index 41977582..6645dedb 100644
--- a/src/core/logging.cpp
+++ b/src/core/logging.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // src/core/logging.cpp
 #include "logging.h"
 #include <cstdio>
diff --git a/src/core/logging.h b/src/core/logging.h
index 97fca238..c0595820 100644
--- a/src/core/logging.h
+++ b/src/core/logging.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // src/core/logging.h
 #pragma once
 #include <string>
diff --git a/src/core/main.cpp b/src/core/main.cpp
index 19fa8d4e..6ff343eb 100644
--- a/src/core/main.cpp
+++ b/src/core/main.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include <windows.h>
 #include <dwmapi.h>
 #include <tlhelp32.h>
diff --git a/src/core/reload_gate.h b/src/core/reload_gate.h
index 6973b455..ca0c5ec3 100644
--- a/src/core/reload_gate.h
+++ b/src/core/reload_gate.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Config hot-reload gate (pure, no <windows.h>; tests/test_reload_gate.cpp). RunTick reads the ini
 // and asks this what to do, so the retry/skip/reload rules are testable without a tick loop.
diff --git a/src/core/sched_priority.h b/src/core/sched_priority.h
index 0faaa181..366cf199 100644
--- a/src/core/sched_priority.h
+++ b/src/core/sched_priority.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // src/core/sched_priority.h - keep the tick loop on time when the rest of the PC is busy (issue #334).
 //
 // The tick thread ran at normal priority, so under heavy background CPU load (renders, builds) it
diff --git a/src/core/test_telemetry.h b/src/core/test_telemetry.h
index bfd0b0b3..981c1505 100644
--- a/src/core/test_telemetry.h
+++ b/src/core/test_telemetry.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Per-tick test telemetry (issue #225): the proving-ground harness (tools/testenv) sets
 // WIND_TESTLOG=<path> and Wind appends one CSV line per tick - ground truth for centering,
diff --git a/src/core/tick_span.h b/src/core/tick_span.h
index ec13a838..6abc9406 100644
--- a/src/core/tick_span.h
+++ b/src/core/tick_span.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // src/core/tick_span.h
 // Time a part of the tick into the current TickRec (#361). The tick loop points tl_tickSpans at
 // the record it is filling; anywhere on the tick thread can then wrap a call in
diff --git a/src/core/tick_stats.h b/src/core/tick_stats.h
index d725f41c..578f564f 100644
--- a/src/core/tick_stats.h
+++ b/src/core/tick_stats.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Recent tick intervals, for the tray's frame-pacing readout. PURE (no <windows.h>) so the
 // statistics are unit-testable without a desktop.
diff --git a/src/core/uiaccess_gate.h b/src/core/uiaccess_gate.h
index d66b491d..21278737 100644
--- a/src/core/uiaccess_gate.h
+++ b/src/core/uiaccess_gate.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Wind needs UIAccess (issue #460). Without it the transform engine has hover dead zones, and
 // neither engine can magnify over the shell or elevated windows, so a Wind without it refuses to
diff --git a/src/core/uiaccess_token.h b/src/core/uiaccess_token.h
index 09048701..7012f1ab 100644
--- a/src/core/uiaccess_token.h
+++ b/src/core/uiaccess_token.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // The process token's UIAccess bit (Win32). MUST be included AFTER <windows.h>. The pure start-up
 // rule that uses it is uiaccess_gate.h; this is the one place Wind reads the bit (issues #185, #460).
 //
diff --git a/src/cursor/crosshair.cpp b/src/cursor/crosshair.cpp
index e5221629..1d46e8ba 100644
--- a/src/cursor/crosshair.cpp
+++ b/src/cursor/crosshair.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "crosshair.h"
 #include <cmath>
 namespace wind {
diff --git a/src/cursor/crosshair.h b/src/cursor/crosshair.h
index 55eb98ca..e7d12337 100644
--- a/src/cursor/crosshair.h
+++ b/src/cursor/crosshair.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 #include <cstdint>
 #include <vector>
diff --git a/src/cursor/cursor_blanker.cpp b/src/cursor/cursor_blanker.cpp
index 59458646..d7b5d276 100644
--- a/src/cursor/cursor_blanker.cpp
+++ b/src/cursor/cursor_blanker.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "cursor_blanker.h"
 #include "tick_span.h"   // #361: per-tick spans
 #include <chrono>
diff --git a/src/cursor/cursor_blanker.h b/src/cursor/cursor_blanker.h
index 01485b6c..536652c1 100644
--- a/src/cursor/cursor_blanker.h
+++ b/src/cursor/cursor_blanker.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 #include <windows.h>
 #include <condition_variable>
diff --git a/src/cursor/cursor_decode.cpp b/src/cursor/cursor_decode.cpp
index 3b96cfb9..3aebd3f1 100644
--- a/src/cursor/cursor_decode.cpp
+++ b/src/cursor/cursor_decode.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "cursor_decode.h"
 #include "cursor_tint_pixels.h"
 namespace wind {
diff --git a/src/cursor/cursor_decode.h b/src/cursor/cursor_decode.h
index 060fd39b..0bb11855 100644
--- a/src/cursor/cursor_decode.h
+++ b/src/cursor/cursor_decode.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 #include <windows.h>
 #include <vector>
diff --git a/src/cursor/cursor_lock.cpp b/src/cursor/cursor_lock.cpp
index 747f8675..2e751acb 100644
--- a/src/cursor/cursor_lock.cpp
+++ b/src/cursor/cursor_lock.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "cursor_lock.h"
 namespace wind {
 void CursorLockController::toggle() { locked_ = !locked_; }
diff --git a/src/cursor/cursor_lock.h b/src/cursor/cursor_lock.h
index 35e08eb7..b18ca594 100644
--- a/src/cursor/cursor_lock.h
+++ b/src/cursor/cursor_lock.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 namespace wind {
 // Pure on/off toggle for "Inspect mode". No <windows.h> (compiles into the desktop-free WIND_TESTS
diff --git a/src/cursor/cursor_mapper.cpp b/src/cursor/cursor_mapper.cpp
index 95380335..af942211 100644
--- a/src/cursor/cursor_mapper.cpp
+++ b/src/cursor/cursor_mapper.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "cursor_mapper.h"
 #include "transform.h"
 #include <cmath>
diff --git a/src/cursor/cursor_mapper.h b/src/cursor/cursor_mapper.h
index 99ef7848..8b027a1c 100644
--- a/src/cursor/cursor_mapper.h
+++ b/src/cursor/cursor_mapper.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 namespace wind {
 // One frame's mapping result for the own renderer (centered cursor mode).
diff --git a/src/cursor/cursor_sprite.cpp b/src/cursor/cursor_sprite.cpp
index d40ba818..39de835b 100644
--- a/src/cursor/cursor_sprite.cpp
+++ b/src/cursor/cursor_sprite.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "cursor_sprite.h"
 #include "tick_span.h"   // #361: per-tick spans
 #include "crosshair.h"
diff --git a/src/cursor/cursor_sprite.h b/src/cursor/cursor_sprite.h
index bdfeb9c8..f3bc788a 100644
--- a/src/cursor/cursor_sprite.h
+++ b/src/cursor/cursor_sprite.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 #include <windows.h>
 #include <unordered_map>
diff --git a/src/cursor/drag_follow.h b/src/cursor/drag_follow.h
index 8fdd5174..438e21c7 100644
--- a/src/cursor/drag_follow.h
+++ b/src/cursor/drag_follow.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Pure decision: should the active model stop welding the OS cursor and FOLLOW it instead,
 // because the user is mid-drag? (issue #169)
diff --git a/src/cursor/gain_learner.h b/src/cursor/gain_learner.h
index 80803b6c..63466a00 100644
--- a/src/cursor/gain_learner.h
+++ b/src/cursor/gain_learner.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Learned pointer-ballistics gain - PURE (no <windows.h>), unit-tested.
 //
diff --git a/src/cursor/game_cursor.h b/src/cursor/game_cursor.h
index 9c0adf24..212c9bb2 100644
--- a/src/cursor/game_cursor.h
+++ b/src/cursor/game_cursor.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Game-drawn cursor (issue #443) - PURE, no <windows.h>, tests/test_game_cursor.cpp.
 //
diff --git a/src/cursor/inspect_focus.h b/src/cursor/inspect_focus.h
index 4a986181..0e87bcae 100644
--- a/src/cursor/inspect_focus.h
+++ b/src/cursor/inspect_focus.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 namespace wind {
 // Pure decision (no <windows.h>): should this Inspect entry engage GAME-INSPECT, i.e. treat the
diff --git a/src/cursor/lock_detector.cpp b/src/cursor/lock_detector.cpp
index c61f1edc..21e3eca1 100644
--- a/src/cursor/lock_detector.cpp
+++ b/src/cursor/lock_detector.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "lock_detector.h"
 #include <cstdlib>
 namespace wind {
diff --git a/src/cursor/lock_detector.h b/src/cursor/lock_detector.h
index 23f9272c..e4b9f04f 100644
--- a/src/cursor/lock_detector.h
+++ b/src/cursor/lock_detector.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 namespace wind {
 // Is a ClipCursor rect a GAME lock signal, or merely desktop-like? (issue #169)
diff --git a/src/cursor/pan_glide.h b/src/cursor/pan_glide.h
index 499f2b79..6af460f7 100644
--- a/src/cursor/pan_glide.h
+++ b/src/cursor/pan_glide.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Pan glide (issue #430) - PURE, no <windows.h>, tests/test_pan_glide.cpp.
 //
diff --git a/src/cursor/sprite_layer.h b/src/cursor/sprite_layer.h
index b42eea86..8c88ece9 100644
--- a/src/cursor/sprite_layer.h
+++ b/src/cursor/sprite_layer.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Which z-band the transform model's cursor sprite should be in right now (issue #269). Pure:
 // no <windows.h>, unit-tested in tests/test_sprite_layer.cpp.
diff --git a/src/engine/engine_pick.h b/src/engine/engine_pick.h
index 91314da3..470a040d 100644
--- a/src/engine/engine_pick.h
+++ b/src/engine/engine_pick.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Pure hybrid engine-pick decision (no <windows.h>), extracted so the most regression-prone
 // predicate in the app is unit-tested (issues #148 exclusion, #172 shell desktop) instead of
diff --git a/src/engine/launch_quiesce.h b/src/engine/launch_quiesce.h
index f8a4a05c..cbdf4b70 100644
--- a/src/engine/launch_quiesce.h
+++ b/src/engine/launch_quiesce.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Pure predicate (no <windows.h>): may a fullscreen-borderless cover arm the LAUNCH QUIESCE?
 //
diff --git a/src/engine/magnifier_model.h b/src/engine/magnifier_model.h
index ff851170..22839814 100644
--- a/src/engine/magnifier_model.h
+++ b/src/engine/magnifier_model.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 #include "render_engine.h"   // MonitorTarget
 #include "cursor_mapper.h"    // MapResult
diff --git a/src/engine/shell_desktop.h b/src/engine/shell_desktop.h
index 9f6b4095..554b59b7 100644
--- a/src/engine/shell_desktop.h
+++ b/src/engine/shell_desktop.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 #include <cstring>
 // Pure decision: is a window class name the shell desktop? (issue #172)
diff --git a/src/input/event_order.h b/src/input/event_order.h
index 57dde652..7c4c5def 100644
--- a/src/input/event_order.h
+++ b/src/input/event_order.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Event ordering for the Raw Input safety nets (input_router.cpp rawKeyUp / rawButtonUp). Pure: no
 // <windows.h>, tests/test_event_order.cpp.
diff --git a/src/input/input_router.cpp b/src/input/input_router.cpp
index 27698e11..50d5c783 100644
--- a/src/input/input_router.cpp
+++ b/src/input/input_router.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "input_router.h"
 #include "config.h"     // IsForbiddenBindVk (keyboard-bind safety blocklist)
 #include "pointer_binds.h" // button/wheel bind matching, the mask keystroke (#285)
diff --git a/src/input/input_router.h b/src/input/input_router.h
index 09c7ed46..c50c8dd5 100644
--- a/src/input/input_router.h
+++ b/src/input/input_router.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 #include <atomic>
 #include <cstdint>
diff --git a/src/input/keybind_rules.h b/src/input/keybind_rules.h
index 87d0ada6..68e4d72c 100644
--- a/src/input/keybind_rules.h
+++ b/src/input/keybind_rules.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // One safety rule set for every keybind (issue #285; spec 2026-09-30-wheel-zoom-and-safe-keybinds).
 // Pure; tests/test_keybind_rules.cpp checks it against tests/fixtures/keybind_cases.txt, and the
diff --git a/src/input/keyboard_pan.h b/src/input/keyboard_pan.h
index eeb9ac75..7dc141e9 100644
--- a/src/input/keyboard_pan.h
+++ b/src/input/keyboard_pan.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Keyboard panning (issue #287). A press starts panning at once (short ease-in, no jump). A press
 // released within 250 ms is a TAP: that axis stops and is topped up to exactly one nudge (1/8 of
diff --git a/src/input/pointer_binds.h b/src/input/pointer_binds.h
index 057ac7d6..c5084d88 100644
--- a/src/input/pointer_binds.h
+++ b/src/input/pointer_binds.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Mouse-button and wheel zoom binds (issue #285). Pure; tests/test_pointer_binds.cpp. The WH_MOUSE_LL
 // hook calls these with the held-modifier mask read at the event (bit 1 Ctrl, 2 Alt, 4 Shift, 8 Win),
diff --git a/src/input/swallow_ledger.h b/src/input/swallow_ledger.h
index f0ccc778..e8a52a34 100644
--- a/src/input/swallow_ledger.h
+++ b/src/input/swallow_ledger.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Swallow ledger (pure, no <windows.h>; tests/test_swallow_ledger.cpp). The LL hooks swallow a
 // button/key DOWN only when a bind matches, and must then swallow exactly its matching UP so the
diff --git a/src/input/typing_key.h b/src/input/typing_key.h
index d6ed8b0e..d57d94e2 100644
--- a/src/input/typing_key.h
+++ b/src/input/typing_key.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // src/input/typing_key.h - which keystrokes count as typing for the click quiet period (#328, review #349).
 //
 // #328 ends the 1 s click quiet period early when a key goes down after the click (clicking into Notepad
diff --git a/src/platform/installer_state.h b/src/platform/installer_state.h
index 6bf6fe33..48ea8c1d 100644
--- a/src/platform/installer_state.h
+++ b/src/platform/installer_state.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Version parsing used by the WebView2 runtime probe.
 // NO <windows.h>: this header is compiled into the desktop-free test binary.
diff --git a/src/platform/webview2_probe.h b/src/platform/webview2_probe.h
index 7e9b5417..9549a784 100644
--- a/src/platform/webview2_probe.h
+++ b/src/platform/webview2_probe.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Is the WebView2 Evergreen runtime installed? The answer is a registry string, and the
 // only subtlety is that Microsoft's uninstaller leaves the value behind set to "0.0.0.0"
diff --git a/src/render/band_window.h b/src/render/band_window.h
index c3e11020..df32f941 100644
--- a/src/render/band_window.h
+++ b/src/render/band_window.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 #include <windows.h>
 
diff --git a/src/render/capture_policy.h b/src/render/capture_policy.h
index 9c1ea593..93c91d72 100644
--- a/src/render/capture_policy.h
+++ b/src/render/capture_policy.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Pure Desktop Duplication capture policies (no <windows.h>), used by RenderEngine::State::capture.
 // Tests: tests/test_capture_policy.cpp.
diff --git a/src/render/hdr_info.cpp b/src/render/hdr_info.cpp
index 456a20c3..20d7806c 100644
--- a/src/render/hdr_info.cpp
+++ b/src/render/hdr_info.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "hdr_info.h"
 #include <windows.h>
 #include <vector>
diff --git a/src/render/hdr_info.h b/src/render/hdr_info.h
index f4c78ac8..89793166 100644
--- a/src/render/hdr_info.h
+++ b/src/render/hdr_info.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 namespace wind {
 // Whether Windows HDR ("Use HDR") is actually ON right now (DisplayConfig
diff --git a/src/render/hdr_scale.h b/src/render/hdr_scale.h
index 0ec33260..610c33be 100644
--- a/src/render/hdr_scale.h
+++ b/src/render/hdr_scale.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 namespace wind {
 // Pure logic (no <windows.h>) for the HDR->SDR tonemap scale. See render_shaders.h for the shader
diff --git a/src/render/hlsl_compile.h b/src/render/hlsl_compile.h
index 6ce4e1b5..65acbc17 100644
--- a/src/render/hlsl_compile.h
+++ b/src/render/hlsl_compile.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // The one D3DCompile wrapper of the render path (render_engine.cpp, upscale_pass.cpp). Win32/D3D:
 // include after <d3dcompiler.h>. A failed compile logs the compiler's error text under `logCat`.
 #pragma once
diff --git a/src/render/png_dump.cpp b/src/render/png_dump.cpp
index 817034a2..81223062 100644
--- a/src/render/png_dump.cpp
+++ b/src/render/png_dump.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "png_dump.h"
 #include "com_util.h"
 #include <windows.h>
diff --git a/src/render/png_dump.h b/src/render/png_dump.h
index a9675b24..ae9f070c 100644
--- a/src/render/png_dump.h
+++ b/src/render/png_dump.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 struct ID3D11Device;
 struct ID3D11DeviceContext;
diff --git a/src/render/render_engine.cpp b/src/render/render_engine.cpp
index e176b44e..da4733f3 100644
--- a/src/render/render_engine.cpp
+++ b/src/render/render_engine.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "render_engine.h"
 #include "com_util.h"
 #include "render_shaders.h"
diff --git a/src/render/render_engine.h b/src/render/render_engine.h
index 2da78b78..dd578939 100644
--- a/src/render/render_engine.h
+++ b/src/render/render_engine.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 #include "color_matrix.h"   // RenderFrameParams::color (issue #288)
 namespace wind {
diff --git a/src/render/render_model.cpp b/src/render/render_model.cpp
index 9106305e..969f28ae 100644
--- a/src/render/render_model.cpp
+++ b/src/render/render_model.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "render_model.h"
 
 namespace wind {
diff --git a/src/render/render_model.h b/src/render/render_model.h
index 17902acd..b28969b4 100644
--- a/src/render/render_model.h
+++ b/src/render/render_model.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 #include "magnifier_model.h"
 
diff --git a/src/render/render_params.cpp b/src/render/render_params.cpp
index 578263d8..8ea87906 100644
--- a/src/render/render_params.cpp
+++ b/src/render/render_params.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // Pure render-parameter fill (no engine, no Win32): split out of render_model.cpp so the test build
 // can compile it (tests/test_render_params.cpp).
 #include "render_model.h"
diff --git a/src/render/render_shaders.h b/src/render/render_shaders.h
index 908695fb..27d5ce25 100644
--- a/src/render/render_shaders.h
+++ b/src/render/render_shaders.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 namespace wind {
 
diff --git a/src/render/upscale_pass.cpp b/src/render/upscale_pass.cpp
index 7d2836b8..27cfbd7d 100644
--- a/src/render/upscale_pass.cpp
+++ b/src/render/upscale_pass.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // Render scaling filters (issue #456). See upscale_pass.h.
 #include "upscale_pass.h"
 #include "upscale_shaders.h"
diff --git a/src/render/upscale_pass.h b/src/render/upscale_pass.h
index dcaf31b4..a9f31789 100644
--- a/src/render/upscale_pass.h
+++ b/src/render/upscale_pass.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // The render engine's scaling filters (issue #456): xBR and NVIDIA Image Scaling, one full-screen
 // pass straight into the back buffer. Nearest stays in the engine's own pass. draw() returning false
diff --git a/src/resource.h b/src/resource.h
index d2eaff01..654629b3 100644
--- a/src/resource.h
+++ b/src/resource.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Resource IDs for Wind.exe (see src/wind.rc). IDI_WIND is the app/tray icon; as the
 // only/lowest icon resource it is also what Explorer, alt-tab, and the taskbar display.
diff --git a/src/track/caret_rect.h b/src/track/caret_rect.h
index 72f36617..7934696e 100644
--- a/src/track/caret_rect.h
+++ b/src/track/caret_rect.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // src/track/caret_rect.h - trim a caret rect that spans more than the caret's own line (issue #337).
 //
 // Chromium web editors (Outlook on the web) report the caret as one line right after Enter
diff --git a/src/track/detached_view.h b/src/track/detached_view.h
index 89211fa6..11902b4b 100644
--- a/src/track/detached_view.h
+++ b/src/track/detached_view.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // A frame whose view is NOT centred on the pointer (issue #276): caret/focus tracking and, later,
 // mouse edge mode. The view comes from (viewCx, viewCy); the cursor fields report the REAL pointer,
diff --git a/src/track/edge_pan.h b/src/track/edge_pan.h
index 28a97932..3ea77ab3 100644
--- a/src/track/edge_pan.h
+++ b/src/track/edge_pan.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Mouse edge mode (issue #276, phase 2): the view moves only when the pointer leaves the comfortable
 // band (the view minus a margin on each side), and then just far enough. Pure; tests/test_edge_pan.cpp.
diff --git a/src/track/focus_identity.h b/src/track/focus_identity.h
index 23723b95..246eb44e 100644
--- a/src/track/focus_identity.h
+++ b/src/track/focus_identity.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // src/track/focus_identity.h
 // Which focus a caret baseline belongs to. Pure (no <windows.h>): handles travel as void*.
 //
diff --git a/src/track/focus_track.cpp b/src/track/focus_track.cpp
index 0f8f93d0..87104a82 100644
--- a/src/track/focus_track.cpp
+++ b/src/track/focus_track.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "focus_track.h"
 #include "focus_identity.h"   // repeat focus events keep the caret followed
 #include "logging.h"
diff --git a/src/track/focus_track.h b/src/track/focus_track.h
index 74ce2c92..64214895 100644
--- a/src/track/focus_track.h
+++ b/src/track/focus_track.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Caret and keyboard-focus watcher (issue #276). One thread owns every accessibility call:
 // WinEvents (out of context), GetGUIThreadInfo, and UI Automation on a COM MTA. The tick thread only
diff --git a/src/track/java_bridge.cpp b/src/track/java_bridge.cpp
index a17a8311..34d16822 100644
--- a/src/track/java_bridge.cpp
+++ b/src/track/java_bridge.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "java_bridge.h"
 #include "java_bridge_util.h"
 #include "pe_imports.h"    // PeImportNames: the bridge DLL's folder-supplied dependencies
diff --git a/src/track/java_bridge.h b/src/track/java_bridge.h
index 0786c299..11be9313 100644
--- a/src/track/java_bridge.h
+++ b/src/track/java_bridge.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Java Access Bridge caret source (issue #281). Java apps (IntelliJ, PyCharm, ...) report their caret
 // only through the bridge, not the Win32 caret or UI Automation. Every call here runs on the
diff --git a/src/track/java_bridge_util.h b/src/track/java_bridge_util.h
index fdc268a4..7cd37f05 100644
--- a/src/track/java_bridge_util.h
+++ b/src/track/java_bridge_util.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Pure helpers for the Java Access Bridge caret source (issue #281). Tests: tests/test_java_bridge_util.cpp.
 #include <string>
diff --git a/src/track/pe_imports.h b/src/track/pe_imports.h
index 6af2674b..19c87aa0 100644
--- a/src/track/pe_imports.h
+++ b/src/track/pe_imports.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Pure PE import-table reader (no <windows.h>) for the Java bridge DLL check (review 2026-10-16 #15):
 // LoadVerified loads a signed bridge DLL with its folder on the search path, so every DLL it imports
diff --git a/src/track/track_filter.h b/src/track/track_filter.h
index 3fea2eef..d1f5c159 100644
--- a/src/track/track_filter.h
+++ b/src/track/track_filter.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Sanity filters for what the focus/caret watcher reports (issue #278). Pure; tests/test_track_filter.cpp.
 namespace wind {
diff --git a/src/track/view_glide.h b/src/track/view_glide.h
index a91d61ca..9ec371c2 100644
--- a/src/track/view_glide.h
+++ b/src/track/view_glide.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Glide and target geometry for tracking (issue #276). Pure; tests/test_view_glide.cpp.
 #include <cmath>
diff --git a/src/track/view_target.h b/src/track/view_target.h
index 2534a51a..5efa894f 100644
--- a/src/track/view_target.h
+++ b/src/track/view_target.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Who owns the zoomed view (issue #276). Pure: no <windows.h>, tests/test_view_target.cpp.
 //
diff --git a/src/transform/comp_pin.cpp b/src/transform/comp_pin.cpp
index 45cf1fbc..bc997334 100644
--- a/src/transform/comp_pin.cpp
+++ b/src/transform/comp_pin.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "comp_pin.h"
 #include "mpo_guard.h"
 namespace wind {
diff --git a/src/transform/comp_pin.h b/src/transform/comp_pin.h
index 3e54fe7b..ce454f0f 100644
--- a/src/transform/comp_pin.h
+++ b/src/transform/comp_pin.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 #include <windows.h>
 namespace wind {
diff --git a/src/transform/dwm_watch.cpp b/src/transform/dwm_watch.cpp
index 1aae1900..c9f0835d 100644
--- a/src/transform/dwm_watch.cpp
+++ b/src/transform/dwm_watch.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "dwm_watch.h"
 #include <windows.h>
 #include <wtsapi32.h>
diff --git a/src/transform/dwm_watch.h b/src/transform/dwm_watch.h
index a9e84ec1..129a3772 100644
--- a/src/transform/dwm_watch.h
+++ b/src/transform/dwm_watch.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // DWM restart watch (issue #396).
 //
diff --git a/src/transform/mag_host.cpp b/src/transform/mag_host.cpp
index 9d2fb5b0..5472d4b2 100644
--- a/src/transform/mag_host.cpp
+++ b/src/transform/mag_host.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "mag_host.h"
 #include "tick_span.h"   // #361: per-tick spans
 #include "logging.h"
diff --git a/src/transform/mag_host.h b/src/transform/mag_host.h
index bc70633e..34d261d4 100644
--- a/src/transform/mag_host.h
+++ b/src/transform/mag_host.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 #include <windows.h>
 namespace wind {
diff --git a/src/transform/mpo.h b/src/transform/mpo.h
index 7a835591..df8a3c8c 100644
--- a/src/transform/mpo.h
+++ b/src/transform/mpo.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 #include <windows.h>
 #include <string>
diff --git a/src/transform/mpo_boot.h b/src/transform/mpo_boot.h
index 364f6592..478c2e39 100644
--- a/src/transform/mpo_boot.h
+++ b/src/transform/mpo_boot.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 #include <windows.h>
 #include <string>
diff --git a/src/transform/mpo_boot_logic.h b/src/transform/mpo_boot_logic.h
index ba56ef36..092de4c2 100644
--- a/src/transform/mpo_boot_logic.h
+++ b/src/transform/mpo_boot_logic.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Pure half of the MPO boot record (no <windows.h>): the record format and the "is this record
 // still about the compositor that is running now" decision, so both are unit-tested
diff --git a/src/transform/mpo_guard.h b/src/transform/mpo_guard.h
index 27f9bc50..0afbd63a 100644
--- a/src/transform/mpo_guard.h
+++ b/src/transform/mpo_guard.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // MPO nearest guard (issue #369) - PURE, no <windows.h>, tests/test_mpo_guard.cpp.
 //
diff --git a/src/transform/native_cursor.h b/src/transform/native_cursor.h
index f01f0e07..cf42ec31 100644
--- a/src/transform/native_cursor.h
+++ b/src/transform/native_cursor.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Native cursor (issue #369) - PURE, no <windows.h>, so it is unit-testable.
 //
diff --git a/src/transform/transform.cpp b/src/transform/transform.cpp
index 6187134a..c80a7947 100644
--- a/src/transform/transform.cpp
+++ b/src/transform/transform.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "transform.h"
 namespace wind {
 OffsetF ComputeOffsetF(double centerX, double centerY, double level, int screenW, int screenH) {
diff --git a/src/transform/transform.h b/src/transform/transform.h
index 8c8eac95..0867a973 100644
--- a/src/transform/transform.h
+++ b/src/transform/transform.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 namespace wind {
 struct OffsetF { double x; double y; };
diff --git a/src/transform/transform_model.cpp b/src/transform/transform_model.cpp
index 3beb0276..94931efe 100644
--- a/src/transform/transform_model.cpp
+++ b/src/transform/transform_model.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "transform_model.h"
 #include "transform.h"   // ComputeMagTransform
 #include "tx_warm.h"     // WarmAction (pure, tested): the pan-start hitch fix
diff --git a/src/transform/transform_model.h b/src/transform/transform_model.h
index 3d4f8ca1..c05f207f 100644
--- a/src/transform/transform_model.h
+++ b/src/transform/transform_model.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 #include "magnifier_model.h"
 #include "mag_host.h"
diff --git a/src/transform/tx_warm.h b/src/transform/tx_warm.h
index 5845cf8f..17ff0200 100644
--- a/src/transform/tx_warm.h
+++ b/src/transform/tx_warm.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Transform WARM-KEEPING - PURE, no <windows.h>, so it is unit-testable.
 //
diff --git a/src/transform/zoom_ladder.h b/src/transform/zoom_ladder.h
index 761b8871..da5d0ad3 100644
--- a/src/transform/zoom_ladder.h
+++ b/src/transform/zoom_ladder.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Smooth-zoom ladder (issue #369) - PURE, no <windows.h>, tests/test_zoom_ladder.cpp.
 //
diff --git a/src/tray/tray_host.cpp b/src/tray/tray_host.cpp
index bb148670..a438349a 100644
--- a/src/tray/tray_host.cpp
+++ b/src/tray/tray_host.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "tray_host.h"
 #include "tray_ipc.h"
 #include "logging.h"
diff --git a/src/tray/tray_host.h b/src/tray/tray_host.h
index 1058b34c..49796cc7 100644
--- a/src/tray/tray_host.h
+++ b/src/tray/tray_host.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Wind.exe's side of the tray split (issue #291). Wind no longer owns a tray icon: it creates the
 // shared status block (tray_ipc.h) and keeps WindTray.exe running next to it. See
diff --git a/src/tray/tray_ipc.h b/src/tray/tray_ipc.h
index 3ecadfa5..22744991 100644
--- a/src/tray/tray_ipc.h
+++ b/src/tray/tray_ipc.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // The status block Wind.exe shares with WindTray.exe (issue #291). PURE (no <windows.h>): the
 // layout and the validity check are unit-tested; the named file mapping itself is opened by each
diff --git a/src/tray/tray_items.cpp b/src/tray/tray_items.cpp
index fed27dcb..f627ca62 100644
--- a/src/tray/tray_items.cpp
+++ b/src/tray/tray_items.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "tray_items.h"
 #include "ini_edit.h"   // TrimWs
 #include <algorithm>
diff --git a/src/tray/tray_items.h b/src/tray/tray_items.h
index a3dc5377..03eeae47 100644
--- a/src/tray/tray_items.h
+++ b/src/tray/tray_items.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // Pure tray quick-control list model (no <windows.h>): which sliders and toggles the tray flyout
 // shows and in what order, parsed from / written to the global (non-profile) ini keys
 // trayPerf, traySliders, traySliderOrder, trayToggles, trayToggleOrder. Shared by WindTray and the
diff --git a/src/tray/tray_status.h b/src/tray/tray_status.h
index 80dea480..200b6ff9 100644
--- a/src/tray/tray_status.h
+++ b/src/tray/tray_status.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // What the tray shows about the running magnifier. PURE (no <windows.h>): the label decisions are
 // where the bugs live, so they are unit-tested rather than eyeballed in a menu.
diff --git a/src/tray_app/engine_dropdown.cpp b/src/tray_app/engine_dropdown.cpp
index f4f0b97d..2926557b 100644
--- a/src/tray_app/engine_dropdown.cpp
+++ b/src/tray_app/engine_dropdown.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // The tray flyout's main-engine dropdown, the Win32 half (WindTray.exe, issue #315). The options,
 // labels and the "does this pick change anything" rule are pure and unit-tested (flyout_tools.h).
 //
diff --git a/src/tray_app/flyout_draw.cpp b/src/tray_app/flyout_draw.cpp
index 59e62fce..8909b927 100644
--- a/src/tray_app/flyout_draw.cpp
+++ b/src/tray_app/flyout_draw.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // The tray flyout's painter (see flyout_draw.h). Everything is laid out in DIPs from flyout_model.h;
 // colours and metrics are the j01-calm-tint tokens.
 #include "flyout_draw.h"
diff --git a/src/tray_app/flyout_draw.h b/src/tray_app/flyout_draw.h
index 95435542..41a40cc1 100644
--- a/src/tray_app/flyout_draw.h
+++ b/src/tray_app/flyout_draw.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // The tray flyout's drawing half (Direct2D + DirectWrite + WIC). It paints a View (flyout_model.h)
 // onto ANY ID2D1RenderTarget in DIPs, so the live window (a DC target pushed through
diff --git a/src/tray_app/flyout_icons.h b/src/tray_app/flyout_icons.h
index ce649a3e..210e1ef4 100644
--- a/src/tray_app/flyout_icons.h
+++ b/src/tray_app/flyout_icons.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // The flyout's line icons as SVG path data on a 16x16 grid (stroke only, no background box).
 // Drawn from the terminal line-icon set in docs/design/tray-2026-10/k01-sliders-toggles.html (TIC)
diff --git a/src/tray_app/flyout_model.h b/src/tray_app/flyout_model.h
index 0fcc588d..f429c0c7 100644
--- a/src/tray_app/flyout_model.h
+++ b/src/tray_app/flyout_model.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // The tray flyout's PURE model (no <windows.h>, so it is unit-tested): where the window opens
 // (at the click point, any monitor, any DPI), the layout of its rows in DIPs, hit-testing, the
diff --git a/src/tray_app/flyout_test.cpp b/src/tray_app/flyout_test.cpp
index 1afb4568..947bc01e 100644
--- a/src/tray_app/flyout_test.cpp
+++ b/src/tray_app/flyout_test.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // `WindTray.exe --render-test out.png [--palette ID] [--dpi N] [--hover kind[:i]]` (issue #313): renders
 // the flyout with fake status to a PNG and exits, so the drawing can be compared with the j01
 // references in docs/design/tray-2026-10 without a desktop session or a running Wind.
diff --git a/src/tray_app/flyout_tools.h b/src/tray_app/flyout_tools.h
index e7a51e30..d8e00ef4 100644
--- a/src/tray_app/flyout_tools.h
+++ b/src/tray_app/flyout_tools.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // The tray tools' PURE logic (issue #315, no <windows.h>, unit-tested): the main-engine dropdown's
 // values, labels and restart rule, and the stretched segmented toggle group's layout.
diff --git a/src/tray_app/flyout_window.cpp b/src/tray_app/flyout_window.cpp
index 6bc5a593..d455801f 100644
--- a/src/tray_app/flyout_window.cpp
+++ b/src/tray_app/flyout_window.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // The tray flyout window (WindTray.exe, issue #313): a layered popup (true per-pixel alpha, exact
 // rounded corners) painted by flyout_draw.cpp, placed by flyout_model.h next to the tray icon.
 // It lives on the main thread: there is no modal loop any more, so Wind's tick, the tray icon and
diff --git a/src/tray_app/main.cpp b/src/tray_app/main.cpp
index bb388110..e198ac8a 100644
--- a/src/tray_app/main.cpp
+++ b/src/tray_app/main.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // WindTray.exe (issue #291): owns Wind's notification-area icon and quick-controls flyout (#313),
 // WITHOUT UIAccess.
 //
diff --git a/src/tray_app/svg_path.h b/src/tray_app/svg_path.h
index fdae814d..a7432e54 100644
--- a/src/tray_app/svg_path.h
+++ b/src/tray_app/svg_path.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // Minimal SVG path parser for the flyout's line icons (16x16 viewBox). PURE (no <windows.h>) so it
 // is unit-tested. Supports M m L l H h V v C c A a Z z; every segment comes back ABSOLUTE with
diff --git a/src/tray_app/tray_app.h b/src/tray_app/tray_app.h
index 6f31dd5a..9e0e1fd0 100644
--- a/src/tray_app/tray_app.h
+++ b/src/tray_app/tray_app.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // WindTray.exe (issue #291): the tray icon and its flyout (#313), in a process WITHOUT UIAccess so
 // the flyout stacks like any app's window (below the magnified cursor and the Snipping Tool overlay). Wind.exe
diff --git a/src/tray_app/tray_icon.cpp b/src/tray_app/tray_icon.cpp
index daf20fbd..f07910d2 100644
--- a/src/tray_app/tray_icon.cpp
+++ b/src/tray_app/tray_icon.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "tray_app.h"
 #include "resource.h"
 #include <shellapi.h>
diff --git a/src/tray_app/tray_menu.cpp b/src/tray_app/tray_menu.cpp
index ba94fdc0..9cae655e 100644
--- a/src/tray_app/tray_menu.cpp
+++ b/src/tray_app/tray_menu.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // What the tray flyout's buttons do (WindTray.exe, issue #291 / #313): the theme choice, the Quit
 // guard, the profile switch and opening Settings. No UI of its own; the flyout (flyout_window.cpp)
 // owns the window. The old owner-drawn HMENU that lived here is gone (menus cannot host sliders).
diff --git a/src/tray_app/tray_pin.cpp b/src/tray_app/tray_pin.cpp
index a7f4cc86..cc2b1ec8 100644
--- a/src/tray_app/tray_pin.cpp
+++ b/src/tray_app/tray_pin.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "tray_pin.h"
 #include "logging.h"
 #include <windows.h>
diff --git a/src/tray_app/tray_pin.h b/src/tray_app/tray_pin.h
index 9f3de36d..01b156fd 100644
--- a/src/tray_app/tray_pin.h
+++ b/src/tray_app/tray_pin.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 // "Pin to taskbar" (#436): keeps WindTray's notification-area icon on the taskbar next to the clock
 // instead of in the hidden-icons overflow. Windows stores the choice per icon under
diff --git a/src/tray_app/tray_pin_logic.cpp b/src/tray_app/tray_pin_logic.cpp
index 15345316..f639b21a 100644
--- a/src/tray_app/tray_pin_logic.cpp
+++ b/src/tray_app/tray_pin_logic.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "tray_pin.h"
 #include <cwctype>
 
diff --git a/src/tray_app/wind_tray.rc b/src/tray_app/wind_tray.rc
index 5dc189b6..3207d70d 100644
--- a/src/tray_app/wind_tray.rc
+++ b/src/tray_app/wind_tray.rc
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "../resource.h"
 #include "../version.h"
 #include <winver.h>
@@ -16,7 +18,8 @@ BEGIN
   BEGIN
     BLOCK "040904b0"
     BEGIN
-      VALUE "CompanyName",      "Wind"
+      VALUE "CompanyName",      "Max Aubert"
+      VALUE "LegalCopyright",   "Copyright (c) 2026 Max Aubert. All rights reserved."
       VALUE "FileDescription",  "Wind tray icon"
       VALUE "FileVersion",      WIND_VERSION_STR
       VALUE "ProductName",      "Wind"
diff --git a/src/version.h b/src/version.h
index 546bfc29..7cd75d38 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // src/version.h - single source of truth for the Wind version.
 // Used by the system snapshot, every log line's session header, and src/wind.rc (VERSIONINFO).
 #pragma once
diff --git a/src/wind.rc b/src/wind.rc
index c226daea..a4877f85 100644
--- a/src/wind.rc
+++ b/src/wind.rc
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "resource.h"
 #include "version.h"
 #include <winver.h>
@@ -16,7 +18,8 @@ BEGIN
   BEGIN
     BLOCK "040904b0"
     BEGIN
-      VALUE "CompanyName",      "Wind"
+      VALUE "CompanyName",      "Max Aubert"
+      VALUE "LegalCopyright",   "Copyright (c) 2026 Max Aubert. All rights reserved."
       VALUE "FileDescription",  "Wind fullscreen magnifier"
       VALUE "FileVersion",      WIND_VERSION_STR
       VALUE "ProductName",      "Wind"
diff --git a/src/zoom/zoom_controller.cpp b/src/zoom/zoom_controller.cpp
index aff6519f..17800c0a 100644
--- a/src/zoom/zoom_controller.cpp
+++ b/src/zoom/zoom_controller.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "zoom_controller.h"
 #include <algorithm>
 #include <cmath>
diff --git a/src/zoom/zoom_controller.h b/src/zoom/zoom_controller.h
index d8f398d5..ca552061 100644
--- a/src/zoom/zoom_controller.h
+++ b/src/zoom/zoom_controller.h
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #pragma once
 namespace wind {
 enum class ZoomDir { None, In, Out };
diff --git a/tests/test_bridge_json.cpp b/tests/test_bridge_json.cpp
index 2d2bcbd1..ab03b3e2 100644
--- a/tests/test_bridge_json.cpp
+++ b/tests/test_bridge_json.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "bridge_json.h"
 using namespace wind;
diff --git a/tests/test_capture_policy.cpp b/tests/test_capture_policy.cpp
index 603dc5af..a3bf16e7 100644
--- a/tests/test_capture_policy.cpp
+++ b/tests/test_capture_policy.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "capture_policy.h"
 using namespace wind;
diff --git a/tests/test_caret_rect.cpp b/tests/test_caret_rect.cpp
index 9856c243..b62e7ab4 100644
--- a/tests/test_caret_rect.cpp
+++ b/tests/test_caret_rect.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "caret_rect.h"
 using namespace wind;
diff --git a/tests/test_color_matrix.cpp b/tests/test_color_matrix.cpp
index 30fa02b6..cdf6ae1a 100644
--- a/tests/test_color_matrix.cpp
+++ b/tests/test_color_matrix.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "color_matrix.h"
 using namespace wind;
diff --git a/tests/test_config.cpp b/tests/test_config.cpp
index 523ca623..fb6d53fc 100644
--- a/tests/test_config.cpp
+++ b/tests/test_config.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "config.h"
 #include "ini_edit.h"
diff --git a/tests/test_config_defaults.cpp b/tests/test_config_defaults.cpp
index a7c2b9ef..dd31190c 100644
--- a/tests/test_config_defaults.cpp
+++ b/tests/test_config_defaults.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // Config defaults, checked from two sides (review 2026-10-13):
 //  - the first-run ini template (DefaultIniText) against Config{}, key by key, for EVERY template key;
 //  - Config{} and the parser's clamp ranges against tests/fixtures/config_defaults.txt, which the
diff --git a/tests/test_config_model.cpp b/tests/test_config_model.cpp
index f67f9b13..15feade5 100644
--- a/tests/test_config_model.cpp
+++ b/tests/test_config_model.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "config.h"
 
diff --git a/tests/test_crosshair.cpp b/tests/test_crosshair.cpp
index b2e74946..02dcc70b 100644
--- a/tests/test_crosshair.cpp
+++ b/tests/test_crosshair.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "crosshair.h"
 using namespace wind;
diff --git a/tests/test_cursor_lock.cpp b/tests/test_cursor_lock.cpp
index 064b83db..3eb04ae1 100644
--- a/tests/test_cursor_lock.cpp
+++ b/tests/test_cursor_lock.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "cursor_lock.h"
 
diff --git a/tests/test_cursor_mapper.cpp b/tests/test_cursor_mapper.cpp
index 25912f6b..20c063b3 100644
--- a/tests/test_cursor_mapper.cpp
+++ b/tests/test_cursor_mapper.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "cursor_mapper.h"
 
diff --git a/tests/test_cursor_tint.cpp b/tests/test_cursor_tint.cpp
index dca62e98..75a13304 100644
--- a/tests/test_cursor_tint.cpp
+++ b/tests/test_cursor_tint.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "cursor_tint_pixels.h"
 #include <vector>
diff --git a/tests/test_detached_view.cpp b/tests/test_detached_view.cpp
index 92afbab7..6fd20309 100644
--- a/tests/test_detached_view.cpp
+++ b/tests/test_detached_view.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "detached_view.h"
 using namespace wind;
diff --git a/tests/test_drag_follow.cpp b/tests/test_drag_follow.cpp
index 2ce20b1a..f43b6c22 100644
--- a/tests/test_drag_follow.cpp
+++ b/tests/test_drag_follow.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "drag_follow.h"
 
diff --git a/tests/test_dwm_watch.cpp b/tests/test_dwm_watch.cpp
index 0dfa9129..bf204839 100644
--- a/tests/test_dwm_watch.cpp
+++ b/tests/test_dwm_watch.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "dwm_watch.h"
 
diff --git a/tests/test_edge_pan.cpp b/tests/test_edge_pan.cpp
index b3a459fd..e95c8bad 100644
--- a/tests/test_edge_pan.cpp
+++ b/tests/test_edge_pan.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "edge_pan.h"
 using namespace wind;
diff --git a/tests/test_engine_pick.cpp b/tests/test_engine_pick.cpp
index 2cbae457..f8ea82f7 100644
--- a/tests/test_engine_pick.cpp
+++ b/tests/test_engine_pick.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "engine_pick.h"
 
diff --git a/tests/test_event_order.cpp b/tests/test_event_order.cpp
index daa7e4c1..07e520e9 100644
--- a/tests/test_event_order.cpp
+++ b/tests/test_event_order.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "event_order.h"
 using namespace wind;
diff --git a/tests/test_flyout.cpp b/tests/test_flyout.cpp
index c6007240..9101591e 100644
--- a/tests/test_flyout.cpp
+++ b/tests/test_flyout.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "../third_party/doctest.h"
 #include "flyout_model.h"
 #include "flyout_icons.h"
diff --git a/tests/test_flyout_interact.cpp b/tests/test_flyout_interact.cpp
index abf76678..f5520c45 100644
--- a/tests/test_flyout_interact.cpp
+++ b/tests/test_flyout_interact.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // The tray flyout's interaction logic (issue #313, plan task 4): the write throttle, slider value
 // maths and ini formatting, the toggle writes (incl. "Keep within the edges" = two keys), keyboard
 // focus order and the profile list popup. All pure; flyout_window.cpp wires them to messages.
diff --git a/tests/test_flyout_palettes.cpp b/tests/test_flyout_palettes.cpp
index 873aed1a..e5052608 100644
--- a/tests/test_flyout_palettes.cpp
+++ b/tests/test_flyout_palettes.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // The tray flyout's theme table (#318): lookup by uiPalette id, the Wind grey fallback, one row per Settings
 // palette in the same order, and the invariants the painter relies on. Pure; flyout_palettes.h is generated by
 // ui/tools/gen-flyout-palettes.cjs from the same mockup palettes as the Settings themes.
diff --git a/tests/test_flyout_tools.cpp b/tests/test_flyout_tools.cpp
index 7fca0a00..340e2dcc 100644
--- a/tests/test_flyout_tools.cpp
+++ b/tests/test_flyout_tools.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // The tray tools (issue #315): the main-engine dropdown (values, labels, restart rule, view), the
 // segmented toggle group and engine dropdown (stretched geometry, hit testing, list alignment, arrow-key
 // navigation). All pure; engine_dropdown.cpp / flyout_window.cpp wire them to Win32.
diff --git a/tests/test_focus_identity.cpp b/tests/test_focus_identity.cpp
index 37a4d91c..3802630a 100644
--- a/tests/test_focus_identity.cpp
+++ b/tests/test_focus_identity.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // tests/test_focus_identity.cpp - repeat focus events for the same control keep caret following.
 #include "doctest.h"
 #include "focus_identity.h"
diff --git a/tests/test_free_cursor.cpp b/tests/test_free_cursor.cpp
index 13fa35b8..26876b60 100644
--- a/tests/test_free_cursor.cpp
+++ b/tests/test_free_cursor.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "cursor_mapper.h"
 #include <cmath>
diff --git a/tests/test_gain_learner.cpp b/tests/test_gain_learner.cpp
index e4948efb..d0700ba7 100644
--- a/tests/test_gain_learner.cpp
+++ b/tests/test_gain_learner.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "../third_party/doctest.h"
 #include "gain_learner.h"
 #include <cmath>
diff --git a/tests/test_game_cursor.cpp b/tests/test_game_cursor.cpp
index 8b681eb7..834b8d4a 100644
--- a/tests/test_game_cursor.cpp
+++ b/tests/test_game_cursor.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "game_cursor.h"
 
diff --git a/tests/test_hdr_scale.cpp b/tests/test_hdr_scale.cpp
index c144c362..573a0709 100644
--- a/tests/test_hdr_scale.cpp
+++ b/tests/test_hdr_scale.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "hdr_scale.h"
 
diff --git a/tests/test_hitch_record.cpp b/tests/test_hitch_record.cpp
index 5045db4a..c9e637aa 100644
--- a/tests/test_hitch_record.cpp
+++ b/tests/test_hitch_record.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // tests/test_hitch_record.cpp - hitch classification and the hitch line (#361).
 #include "doctest.h"
 #include "hitch_record.h"
diff --git a/tests/test_idle_policy.cpp b/tests/test_idle_policy.cpp
index c858c84d..ccf5cfbd 100644
--- a/tests/test_idle_policy.cpp
+++ b/tests/test_idle_policy.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "idle_policy.h"
 using namespace wind;
diff --git a/tests/test_ini_edit.cpp b/tests/test_ini_edit.cpp
index d63b212d..3661d5e1 100644
--- a/tests/test_ini_edit.cpp
+++ b/tests/test_ini_edit.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "ini_edit.h"
 using namespace wind;
diff --git a/tests/test_inspect_focus.cpp b/tests/test_inspect_focus.cpp
index 4c88b298..3421b62f 100644
--- a/tests/test_inspect_focus.cpp
+++ b/tests/test_inspect_focus.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "inspect_focus.h"
 
diff --git a/tests/test_installer_state.cpp b/tests/test_installer_state.cpp
index 1d8608c6..1b00f534 100644
--- a/tests/test_installer_state.cpp
+++ b/tests/test_installer_state.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "installer_state.h"
 
diff --git a/tests/test_java_bridge_util.cpp b/tests/test_java_bridge_util.cpp
index c50a2322..1f5e1a54 100644
--- a/tests/test_java_bridge_util.cpp
+++ b/tests/test_java_bridge_util.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "java_bridge_util.h"
 using namespace wind;
diff --git a/tests/test_keybind_rules.cpp b/tests/test_keybind_rules.cpp
index 5b15e3d3..0bd63a9a 100644
--- a/tests/test_keybind_rules.cpp
+++ b/tests/test_keybind_rules.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "keybind_rules.h"
 #include <fstream>
diff --git a/tests/test_keyboard_pan.cpp b/tests/test_keyboard_pan.cpp
index 5c3e330e..9a0b5db9 100644
--- a/tests/test_keyboard_pan.cpp
+++ b/tests/test_keyboard_pan.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include <cmath>
 #include "doctest.h"
 #include "keyboard_pan.h"
diff --git a/tests/test_launch_quiesce.cpp b/tests/test_launch_quiesce.cpp
index e20542a8..bb38688b 100644
--- a/tests/test_launch_quiesce.cpp
+++ b/tests/test_launch_quiesce.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "launch_quiesce.h"
 
diff --git a/tests/test_lock_detector.cpp b/tests/test_lock_detector.cpp
index c0bd117e..ffa87d97 100644
--- a/tests/test_lock_detector.cpp
+++ b/tests/test_lock_detector.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "lock_detector.h"
 
diff --git a/tests/test_log_queue.cpp b/tests/test_log_queue.cpp
index fb8f1d00..fa72b726 100644
--- a/tests/test_log_queue.cpp
+++ b/tests/test_log_queue.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // tests/test_log_queue.cpp - the non-blocking log queue (#361).
 #include "doctest.h"
 #include "log_queue.h"
diff --git a/tests/test_logging.cpp b/tests/test_logging.cpp
index 4eaf3773..99fbbd19 100644
--- a/tests/test_logging.cpp
+++ b/tests/test_logging.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // tests/test_logging.cpp
 #include "doctest.h"
 #include "logging.h"
diff --git a/tests/test_mag_transform.cpp b/tests/test_mag_transform.cpp
index 9e1e42af..2ea678da 100644
--- a/tests/test_mag_transform.cpp
+++ b/tests/test_mag_transform.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "transform.h"
 #include "cursor_mapper.h"
diff --git a/tests/test_main.cpp b/tests/test_main.cpp
index a3f832e4..6ea2bacc 100644
--- a/tests/test_main.cpp
+++ b/tests/test_main.cpp
@@ -1,2 +1,4 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN
 #include "doctest.h"
diff --git a/tests/test_mpo_boot.cpp b/tests/test_mpo_boot.cpp
index 36204984..2dab8de1 100644
--- a/tests/test_mpo_boot.cpp
+++ b/tests/test_mpo_boot.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "mpo_boot_logic.h"
 
diff --git a/tests/test_mpo_guard.cpp b/tests/test_mpo_guard.cpp
index 932096fd..117e8ac7 100644
--- a/tests/test_mpo_guard.cpp
+++ b/tests/test_mpo_guard.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "mpo_guard.h"
 
diff --git a/tests/test_native_cursor.cpp b/tests/test_native_cursor.cpp
index 2429f1af..cefc4e20 100644
--- a/tests/test_native_cursor.cpp
+++ b/tests/test_native_cursor.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "native_cursor.h"
 
diff --git a/tests/test_pan_glide.cpp b/tests/test_pan_glide.cpp
index ebea9c7e..18f578e1 100644
--- a/tests/test_pan_glide.cpp
+++ b/tests/test_pan_glide.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "pan_glide.h"
 #include <cmath>
diff --git a/tests/test_pe_imports.cpp b/tests/test_pe_imports.cpp
index b4109f05..1d15f036 100644
--- a/tests/test_pe_imports.cpp
+++ b/tests/test_pe_imports.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "pe_imports.h"
 #include <cstring>
diff --git a/tests/test_pointer_binds.cpp b/tests/test_pointer_binds.cpp
index 853299b7..0c634a04 100644
--- a/tests/test_pointer_binds.cpp
+++ b/tests/test_pointer_binds.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include <cmath>
 #include "doctest.h"
 #include "pointer_binds.h"
diff --git a/tests/test_profiles.cpp b/tests/test_profiles.cpp
index 9289bbdc..67ebc445 100644
--- a/tests/test_profiles.cpp
+++ b/tests/test_profiles.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "profiles.h"
 #include "ini_edit.h"
diff --git a/tests/test_profiles_io.cpp b/tests/test_profiles_io.cpp
index 847d20d3..8194e604 100644
--- a/tests/test_profiles_io.cpp
+++ b/tests/test_profiles_io.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // tests/test_profiles_io.cpp - the Win32 file layer behind profiles (profiles_io.h): paths, UTF-8,
 // atomic write/read, the missing-vs-unreadable contract and profile listing.
 #include "doctest.h"
diff --git a/tests/test_quick_zoom.cpp b/tests/test_quick_zoom.cpp
index 6ff1e5e6..68fd3264 100644
--- a/tests/test_quick_zoom.cpp
+++ b/tests/test_quick_zoom.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "zoom_controller.h"
 using namespace wind;
diff --git a/tests/test_reload_gate.cpp b/tests/test_reload_gate.cpp
index fe6a63a5..86ebcbb9 100644
--- a/tests/test_reload_gate.cpp
+++ b/tests/test_reload_gate.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // tests/test_reload_gate.cpp - config hot-reload decisions (reload_gate.h).
 #include "doctest.h"
 #include "reload_gate.h"
diff --git a/tests/test_render_params.cpp b/tests/test_render_params.cpp
index d7667345..ca358ced 100644
--- a/tests/test_render_params.cpp
+++ b/tests/test_render_params.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // tests/test_render_params.cpp - FillRenderParams / CursorModeFromCfg (render_params.cpp) and the
 // pure MPO ghost settle decision (mpo_guard.h).
 #include "doctest.h"
diff --git a/tests/test_shell_desktop.cpp b/tests/test_shell_desktop.cpp
index b6936acc..23512083 100644
--- a/tests/test_shell_desktop.cpp
+++ b/tests/test_shell_desktop.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "shell_desktop.h"
 
diff --git a/tests/test_sprite_layer.cpp b/tests/test_sprite_layer.cpp
index 3f573091..4ce507c8 100644
--- a/tests/test_sprite_layer.cpp
+++ b/tests/test_sprite_layer.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "sprite_layer.h"
 
diff --git a/tests/test_swallow_ledger.cpp b/tests/test_swallow_ledger.cpp
index d474d54d..29f3b977 100644
--- a/tests/test_swallow_ledger.cpp
+++ b/tests/test_swallow_ledger.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // tests/test_swallow_ledger.cpp - the hook swallow records (swallow_ledger.h).
 #include "doctest.h"
 #include "swallow_ledger.h"
diff --git a/tests/test_telemetry.cpp b/tests/test_telemetry.cpp
index 16467052..7010b511 100644
--- a/tests/test_telemetry.cpp
+++ b/tests/test_telemetry.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "test_telemetry.h"
 #include <cstring>
diff --git a/tests/test_track_filter.cpp b/tests/test_track_filter.cpp
index ad9d1172..664fde90 100644
--- a/tests/test_track_filter.cpp
+++ b/tests/test_track_filter.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "track_filter.h"
 using namespace wind;
diff --git a/tests/test_transform.cpp b/tests/test_transform.cpp
index dddf68d2..00eea4bf 100644
--- a/tests/test_transform.cpp
+++ b/tests/test_transform.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "transform.h"
 
diff --git a/tests/test_tray_ipc.cpp b/tests/test_tray_ipc.cpp
index 2eb306da..4e0e1057 100644
--- a/tests/test_tray_ipc.cpp
+++ b/tests/test_tray_ipc.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "../third_party/doctest.h"
 #include "tray_ipc.h"
 #include <memory>
diff --git a/tests/test_tray_items.cpp b/tests/test_tray_items.cpp
index e03bc995..9aea635e 100644
--- a/tests/test_tray_items.cpp
+++ b/tests/test_tray_items.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "tray_items.h"
 #include "profiles.h"
diff --git a/tests/test_tray_pin.cpp b/tests/test_tray_pin.cpp
index d444ea13..1e49a6c1 100644
--- a/tests/test_tray_pin.cpp
+++ b/tests/test_tray_pin.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "tray_pin.h"
 using namespace wind::TrayPin;
diff --git a/tests/test_tray_status.cpp b/tests/test_tray_status.cpp
index 0273d94b..d76eeb1c 100644
--- a/tests/test_tray_status.cpp
+++ b/tests/test_tray_status.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "../third_party/doctest.h"
 #include "tray_status.h"
 #include "tick_stats.h"
diff --git a/tests/test_tx_warm.cpp b/tests/test_tx_warm.cpp
index 1882e12f..64513ed7 100644
--- a/tests/test_tx_warm.cpp
+++ b/tests/test_tx_warm.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "../third_party/doctest.h"
 #include "tx_warm.h"
 
diff --git a/tests/test_typing_key.cpp b/tests/test_typing_key.cpp
index 403b6ca8..da49c3f1 100644
--- a/tests/test_typing_key.cpp
+++ b/tests/test_typing_key.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "typing_key.h"
 #include "view_target.h"
diff --git a/tests/test_uiaccess_gate.cpp b/tests/test_uiaccess_gate.cpp
index 1c0dffc9..d5d4f8b5 100644
--- a/tests/test_uiaccess_gate.cpp
+++ b/tests/test_uiaccess_gate.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "uiaccess_gate.h"
 #include <cwchar>
diff --git a/tests/test_version.cpp b/tests/test_version.cpp
index 0d001790..abcb0496 100644
--- a/tests/test_version.cpp
+++ b/tests/test_version.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // tests/test_version.cpp - src/version.h: WIND_VERSION_STR is written out by hand (the .rc files
 // consume it as one literal, so it is not stringized from the numbers); this keeps it in step.
 #include "doctest.h"
diff --git a/tests/test_view_glide.cpp b/tests/test_view_glide.cpp
index 7e838cc7..3af7cfc1 100644
--- a/tests/test_view_glide.cpp
+++ b/tests/test_view_glide.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "view_glide.h"
 using namespace wind;
diff --git a/tests/test_view_target.cpp b/tests/test_view_target.cpp
index d6a01103..6a1cb606 100644
--- a/tests/test_view_target.cpp
+++ b/tests/test_view_target.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "view_target.h"
 using namespace wind;
diff --git a/tests/test_webview2_probe.cpp b/tests/test_webview2_probe.cpp
index a0ff1207..4cccee5f 100644
--- a/tests/test_webview2_probe.cpp
+++ b/tests/test_webview2_probe.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "webview2_probe.h"
 
diff --git a/tests/test_webview_recover.cpp b/tests/test_webview_recover.cpp
index d5812edc..674c0ae9 100644
--- a/tests/test_webview_recover.cpp
+++ b/tests/test_webview_recover.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "webview_recover.h"
 #include <cstring>
diff --git a/tests/test_wind_watchdog.cpp b/tests/test_wind_watchdog.cpp
index 5c2d5e47..480b07fc 100644
--- a/tests/test_wind_watchdog.cpp
+++ b/tests/test_wind_watchdog.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "wind_watchdog.h"
 
diff --git a/tests/test_zoom_controller.cpp b/tests/test_zoom_controller.cpp
index 0fe0a277..71860c45 100644
--- a/tests/test_zoom_controller.cpp
+++ b/tests/test_zoom_controller.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "zoom_controller.h"
 #include <cmath>
diff --git a/tests/test_zoom_ladder.cpp b/tests/test_zoom_ladder.cpp
index 1aedcab7..ab3aaba3 100644
--- a/tests/test_zoom_ladder.cpp
+++ b/tests/test_zoom_ladder.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 #include "doctest.h"
 #include "zoom_ladder.h"
 #include <cmath>
diff --git a/tools/check_copyright.ps1 b/tools/check_copyright.ps1
new file mode 100644
index 00000000..8f6aba8e
--- /dev/null
+++ b/tools/check_copyright.ps1
@@ -0,0 +1,65 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
+<#
+    Copyright-notice gate: every tracked first-party source file must carry the Wind copyright
+    header, i.e. the line 'SPDX-License-Identifier: LicenseRef-Wind-Proprietary' within its
+    first 5 lines. Exits 1 and lists the files that lack it; exits 0 when all have it.
+
+        pwsh -File tools\check_copyright.ps1          check (CI runs this)
+        pwsh -File tools\check_copyright.ps1 -List    print the files the rule covers
+
+    Covered: *.cpp *.h *.rc *.svelte *.js *.mjs *.cjs *.ts *.css *.ps1 *.py *.nsi *.nsh *.bat,
+    *.yml / *.yaml under .github/, and *.html under ui/ and installer/.
+    Not covered: third-party code (third_party/, and the files in $ThirdParty below, which carry
+    their own upstream copyright), generated files ($Generated: their generator owns the text),
+    docs/ (frozen history), tests/fixtures/ data, build output, and every other file type
+    (Markdown, JSON, text, manifests, images, binaries).
+
+    Header placement per language (see docs/architecture/11-build-test-release.md): line 1,
+    except after '@echo off' in .bat and after '<!doctype html>' in .html.
+#>
+param([switch]$List)
+
+$ErrorActionPreference = 'Stop'
+$Root = Split-Path -Parent $PSScriptRoot
+$Marker = 'SPDX-License-Identifier: LicenseRef-Wind-Proprietary'
+
+$Extensions = '.cpp', '.h', '.rc', '.svelte', '.js', '.mjs', '.cjs', '.ts', '.css', '.ps1', '.py',
+              '.nsi', '.nsh', '.bat'
+$ExcludedPrefixes = 'third_party/', 'docs/', 'tests/fixtures/', 'build/', 'dist/', 'ui/dist/',
+                    'node_modules/', 'ui/node_modules/'
+# Ports of third-party code that keep the upstream copyright (THIRD-PARTY-NOTICES.md).
+$ThirdParty = 'src/render/upscale_nis.h', 'src/render/upscale_shaders.h'
+# Written by a generator; the header would be lost on the next regeneration.
+$Generated = 'src/tray_app/flyout_palettes.h', 'ui/src/design/themes.css',
+             'ui/src/design/themes.js', 'installer/over.nsh'
+
+function Test-Covered([string]$path) {
+    foreach ($p in $ExcludedPrefixes) { if ($path.StartsWith($p)) { return $false } }
+    if ($ThirdParty -contains $path -or $Generated -contains $path) { return $false }
+    $ext = [IO.Path]::GetExtension($path).ToLowerInvariant()
+    if ($Extensions -contains $ext) { return $true }
+    if (($ext -eq '.yml' -or $ext -eq '.yaml') -and $path.StartsWith('.github/')) { return $true }
+    if ($ext -eq '.html' -and ($path.StartsWith('ui/') -or $path.StartsWith('installer/'))) { return $true }
+    return $false
+}
+
+$files = @(git -C $Root ls-files) | Where-Object { Test-Covered $_ }
+if ($LASTEXITCODE -ne 0) { Write-Error 'git ls-files failed'; exit 2 }
+if ($List) { $files; exit 0 }
+
+$missing = foreach ($f in $files) {
+    $full = Join-Path $Root $f
+    if (-not (Test-Path -LiteralPath $full)) { continue }   # deleted in the working tree
+    $head = @(Get-Content -LiteralPath $full -TotalCount 5 -Encoding utf8)
+    if (-not ($head | Where-Object { $_.Contains($Marker) })) { $f }
+}
+
+if ($missing) {
+    Write-Host "Copyright header missing ($Marker in the first 5 lines):"
+    $missing | ForEach-Object { Write-Host "  $_" }
+    Write-Host "$(@($missing).Count) of $($files.Count) file(s) fail. See docs/architecture/11-build-test-release.md."
+    exit 1
+}
+Write-Host "Copyright headers: all $($files.Count) covered files OK."
+exit 0
diff --git a/tools/dwm_memprobe.ps1 b/tools/dwm_memprobe.ps1
index 32cf4a45..b20d8adc 100644
--- a/tools/dwm_memprobe.ps1
+++ b/tools/dwm_memprobe.ps1
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # DWM memory probe - diagnostic for the dwmcore STATUS_FATAL_MEMORY_EXHAUSTION crash.
 #
 # Two dwm.exe crashes on 2026-08-17 faulted at dwmcore.dll+0x1a0bd8 with exception 0xc00001ad
diff --git a/tools/flipwatch.ps1 b/tools/flipwatch.ps1
index b52654c0..c5282dc3 100644
--- a/tools/flipwatch.ps1
+++ b/tools/flipwatch.ps1
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # flipwatch.ps1 - presentation-mode recorder for the transform-model stickiness bug.
 #
 # Why this exists: the transform model (and hybrid/"Auto", which picks it) puts DWM into
diff --git a/tools/gpu_ab.ps1 b/tools/gpu_ab.ps1
index fa82697d..9b80ce15 100644
--- a/tools/gpu_ab.ps1
+++ b/tools/gpu_ab.ps1
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # GPU cost A/B: Wind vs native Magnifier, per scenario, per process (dwm.exe / Wind.exe), on the
 # controlled solid target (tools/test_target_window.ps1).
 #
diff --git a/tools/gpu_sampler.ps1 b/tools/gpu_sampler.ps1
index 9f660e68..8fbebdfe 100644
--- a/tools/gpu_sampler.ps1
+++ b/tools/gpu_sampler.ps1
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # GPU 3D-engine utilization sampler (child of mag_perf_run.ps1): appends "pid,value" lines per
 # counter sample so the parent can aggregate per process after the pan.
 param([int]$Samples = 6, [string]$OutFile)
diff --git a/tools/installer_check.ps1 b/tools/installer_check.ps1
index 4c2e2e34..8b90ba38 100644
--- a/tools/installer_check.ps1
+++ b/tools/installer_check.ps1
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 <#
     Build gate for the installer. Three checks:
 
diff --git a/tools/mag_ab_controlled.ps1 b/tools/mag_ab_controlled.ps1
index 6189c1bc..30fa4a6d 100644
--- a/tools/mag_ab_controlled.ps1
+++ b/tools/mag_ab_controlled.ps1
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # Wind vs native Magnifier, measured against an IDENTICAL controlled target (issue #206).
 #
 # Prior comparisons were taken against whatever was on screen at the time - Zen with a live acrylic
diff --git a/tools/mag_formula_probe.ps1 b/tools/mag_formula_probe.ps1
index ec5e8713..471d4532 100644
--- a/tools/mag_formula_probe.ps1
+++ b/tools/mag_formula_probe.ps1
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # Derive native Magnifier's fullscreen-transform geometry EMPIRICALLY (issue #205).
 #
 # We are about to copy native's cursor model, and the whole design rests on one formula: given the
diff --git a/tools/mag_latency_probe.ps1 b/tools/mag_latency_probe.ps1
index 7d52b147..0c9f141f 100644
--- a/tools/mag_latency_probe.ps1
+++ b/tools/mag_latency_probe.ps1
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # Cursor-move -> view-update LATENCY, for Wind and for native Magnifier (issue #206).
 #
 # Every "feels laggy / feels smooth" judgement so far has been an impression, and the two numbers we
diff --git a/tools/mag_perf_run.ps1 b/tools/mag_perf_run.ps1
index 8d6432d0..81774e8c 100644
--- a/tools/mag_perf_run.ps1
+++ b/tools/mag_perf_run.ps1
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # One controlled perf run for issue #219: zoom to a target level over the FOCUSED foreground
 # window (the acrylic Prism repro), pan with RELATIVE mickeys (real ballistics), and measure:
 #   - DWM composition pacing (DwmGetCompositionTimingInfo screen-wide: displayed fps, late,
diff --git a/tools/mag_trackmode_probe.ps1 b/tools/mag_trackmode_probe.ps1
index 35e17f04..b2cbb919 100644
--- a/tools/mag_trackmode_probe.ps1
+++ b/tools/mag_trackmode_probe.ps1
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # Distinguish native Magnifier's two FullScreenTrackingMode designs (issue #205).
 #
 # The grid probe fitted `offset = clamp(cursor - screen/level/2)` at 92/99 in BOTH modes - but it
diff --git a/tools/mag_wobble_monitor.ps1 b/tools/mag_wobble_monitor.ps1
index 27bd3fa4..835ac403 100644
--- a/tools/mag_wobble_monitor.ps1
+++ b/tools/mag_wobble_monitor.ps1
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # PASSIVE wobble monitor. Injects NOTHING, shows NOTHING - the user drives Wind/wm/apps with the
 # real mouse; this only samples and logs, one CSV line per second, so the second the cursor
 # degenerates is visible in the series and can be correlated with what the user was doing.
diff --git a/tools/mag_wobble_probe.ps1 b/tools/mag_wobble_probe.ps1
index 5b0e3311..8b3e2fb7 100644
--- a/tools/mag_wobble_probe.ps1
+++ b/tools/mag_wobble_probe.ps1
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # MEASURE THE WOBBLE (issue #206).
 #
 # Latency and write rate are not the wobble. Three builds proved that by measuring well and feeling
diff --git a/tools/mag_wobble_repro.ps1 b/tools/mag_wobble_repro.ps1
index 9ee8fe78..aeec3633 100644
--- a/tools/mag_wobble_repro.ps1
+++ b/tools/mag_wobble_repro.ps1
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # Automated wobble repro (stale-input-transform hypothesis).
 #
 # Control run:  .\mag_wobble_repro.ps1                -> zoom Wind + pan, no wm involved
diff --git a/tools/magtrace.ps1 b/tools/magtrace.ps1
index f79b6617..c400b47b 100644
--- a/tools/magtrace.ps1
+++ b/tools/magtrace.ps1
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # Magnification transform tracer.
 #
 # There is exactly ONE desktop fullscreen-magnification state, and MagGetFullscreenTransform reads
diff --git a/tools/make_icon.mjs b/tools/make_icon.mjs
index 7990dd54..5a66fdbe 100644
--- a/tools/make_icon.mjs
+++ b/tools/make_icon.mjs
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // Generate assets/wind.ico from assets/wind-badge-taskbar.svg.
 //
 // Renders the SVG at each icon size with Playwright's bundled Chromium (faithful
diff --git a/tools/pan_wake_probe.ps1 b/tools/pan_wake_probe.ps1
index d47bd2db..7cfb9e7c 100644
--- a/tools/pan_wake_probe.ps1
+++ b/tools/pan_wake_probe.ps1
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # Pan-wake probe: does a hitch land on the FIRST movement after the hand pauses?
 #
 # Field report (2026-08-26): zoomed and holding still is smooth; the first movement after any
diff --git a/tools/plane_race_probe.ps1 b/tools/plane_race_probe.ps1
index 1764e96e..39985ecf 100644
--- a/tools/plane_race_probe.ps1
+++ b/tools/plane_race_probe.ps1
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # Does the magnifier RELIABLY pull a fullscreen game off its hardware overlay plane?
 #
 # The pan-start stutter tracks one variable above all others: whether the game is riding a hardware
diff --git a/tools/release.ps1 b/tools/release.ps1
index e8fe73e2..0bc25838 100644
--- a/tools/release.ps1
+++ b/tools/release.ps1
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 <#
     Builds the release artifact: dist\Wind-Setup-x64-<version>.exe
 
diff --git a/tools/test_target_window.ps1 b/tools/test_target_window.ps1
index 4b235457..bb484257 100644
--- a/tools/test_target_window.ps1
+++ b/tools/test_target_window.ps1
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # A deliberately boring fullscreen target window, so magnifier measurements are comparable.
 #
 # Every A/B so far was taken against whatever happened to be on screen - Zen with a live acrylic
diff --git a/tools/testenv/ab_acryl.ps1 b/tools/testenv/ab_acryl.ps1
index b1b84326..0f05e713 100644
--- a/tools/testenv/ab_acryl.ps1
+++ b/tools/testenv/ab_acryl.ps1
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # Multi-config screen for the acrylic-hitching defect (issue #229). Runs N configurations through
 # the short acrylic suite, ROUND-ROBIN rather than one config at a time, so a slow drift on the
 # machine spreads across all of them instead of favouring whichever ran first. Reports the hitch
diff --git a/tools/testenv/backdrop.ps1 b/tools/testenv/backdrop.ps1
index a2afa335..3055491f 100644
--- a/tools/testenv/backdrop.ps1
+++ b/tools/testenv/backdrop.ps1
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # One proving-ground backdrop window (issue #225). Launched as a child process by run.ps1 -
 # each backdrop owns its own message pump and dies on process exit, so the runner never has to
 # manage WinForms lifetimes across runspaces.
diff --git a/tools/testenv/bench.ps1 b/tools/testenv/bench.ps1
index c5ecf763..8d3aabaa 100644
--- a/tools/testenv/bench.ps1
+++ b/tools/testenv/bench.ps1
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # Magnifier benchmark v2 (issue #225): drive DIFFERENT magnifiers through the SAME harsh
 # scenarios and produce a game-benchmark scoreboard, catalogued per run.
 #
diff --git a/tools/testenv/cursor_area_probe.py b/tools/testenv/cursor_area_probe.py
index c5a78d35..f839bfcb 100644
--- a/tools/testenv/cursor_area_probe.py
+++ b/tools/testenv/cursor_area_probe.py
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # CURSOR OPTICAL PROBE (issue #229, from the owner's black-backdrop idea).
 #
 # Over a solid BLACK backdrop the only bright thing on screen is the cursor, so a brightness
diff --git a/tools/testenv/cursor_flicker.py b/tools/testenv/cursor_flicker.py
index f071d271..1b117de1 100644
--- a/tools/testenv/cursor_flicker.py
+++ b/tools/testenv/cursor_flicker.py
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # Analyzer for the cursor optical probe (issue #229): does the cursor OSCILLATE while panning?
 #
 # The field report's description of the artifact: the cursor lags the hand, the lag grows with speed (inertia),
diff --git a/tools/testenv/gamesim.cpp b/tools/testenv/gamesim.cpp
index 1248720a..f9919f7a 100644
--- a/tools/testenv/gamesim.cpp
+++ b/tools/testenv/gamesim.cpp
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // Game-sim window for the proving ground (issue #225): a borderless fullscreen D3D11 app that
 // renders fast-moving content through a real flip-model swapchain - the present pressure and
 // engine-pick shape of an actual game, which no GDI-timer backdrop reproduces. Content is a
diff --git a/tools/testenv/lib.ps1 b/tools/testenv/lib.ps1
index 8c0f4adf..8e2eac0d 100644
--- a/tools/testenv/lib.ps1
+++ b/tools/testenv/lib.ps1
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # Proving-ground shared library (issue #225). Dot-sourced by run.ps1.
 # Interop + protocol primitives + telemetry analysis. PS 5.1 compatible.
 #
diff --git a/tools/testenv/probe_animated.ps1 b/tools/testenv/probe_animated.ps1
index dc7faed6..fe8980c1 100644
--- a/tools/testenv/probe_animated.ps1
+++ b/tools/testenv/probe_animated.ps1
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # One-off probe: why does the animated backdrop block zoom-in? (testenv shakedown)
 param([string]$Kind = 'animated', [int]$SettleS = 3, [double]$HoldS = 0.6)
 . (Join-Path $PSScriptRoot 'lib.ps1')
diff --git a/tools/testenv/register_nightly.ps1 b/tools/testenv/register_nightly.ps1
index 5e05dbbf..0a8b7ddb 100644
--- a/tools/testenv/register_nightly.ps1
+++ b/tools/testenv/register_nightly.ps1
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # Registers (or removes) the nightly full-suite proving-ground run as a scheduled task.
 # The task runs at 04:00 when the machine is on and idle, against whatever build is deployed
 # in C:\Program Files\Wind - i.e. latest deployed main. Results land in tools\testenv\results.
diff --git a/tools/testenv/run.ps1 b/tools/testenv/run.ps1
index a3bb1845..39172c0f 100644
--- a/tools/testenv/run.ps1
+++ b/tools/testenv/run.ps1
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # Wind proving ground (issue #225): consistent, reusable, fully automated test scenarios.
 #
 #   powershell -File tools\testenv\run.ps1 -Suite rapid          # ~1 min smoke (iterating)
diff --git a/tools/testenv/shimmer_ab.ps1 b/tools/testenv/shimmer_ab.ps1
index 758e2dd2..f18ebcbb 100644
--- a/tools/testenv/shimmer_ab.ps1
+++ b/tools/testenv/shimmer_ab.ps1
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # Ramp-shimmer A/B (issue #229): does a configuration reduce the cursor churn seen in the field while
 # zooming with the high-resolution cursor?
 #
diff --git a/tools/testenv/shimmer_probe.py b/tools/testenv/shimmer_probe.py
index e46769e4..5f3c5789 100644
--- a/tools/testenv/shimmer_probe.py
+++ b/tools/testenv/shimmer_probe.py
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # Ramp-shimmer probe (issue #229): measures how much the CURSOR's rendered pixels churn while
 # the zoom level changes, which is the artifact the field report describes on the high-resolution cursor.
 #
diff --git a/tools/testenv/sweep.ps1 b/tools/testenv/sweep.ps1
index 1e43da22..4ab5d54d 100644
--- a/tools/testenv/sweep.ps1
+++ b/tools/testenv/sweep.ps1
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # Autonomous candidate sweep (#229). Runs a list of configurations through the gates and logs
 # every result, so an overnight session leaves evidence rather than recollection.
 #
diff --git a/tools/uiaccess_setup.ps1 b/tools/uiaccess_setup.ps1
index 9331700c..2af541b9 100644
--- a/tools/uiaccess_setup.ps1
+++ b/tools/uiaccess_setup.ps1
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # Wind UIAccess setup (run elevated). Creates a local self-signed code-signing cert,
 # trusts it, signs Wind.exe, and deploys Wind.exe + WindTray.exe + WindConfig.exe + ui/dist to
 # C:\Program Files\Wind so UIAccess activates and the config UI is reachable.
diff --git a/tools/upscale_testcard.py b/tools/upscale_testcard.py
index 6d9570ed..264b6e87 100644
--- a/tools/upscale_testcard.py
+++ b/tools/upscale_testcard.py
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 """A static test card for comparing the render scaling filters (issue #456).
 
 Shows a full-screen, topmost card (text at several sizes, light and dark, thin and diagonal lines,
diff --git a/tools/version.ps1 b/tools/version.ps1
index bbecb350..5a590726 100644
--- a/tools/version.ps1
+++ b/tools/version.ps1
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # The one reader of src/version.h for scripts and CI (release.ps1, installer_check.ps1, the release
 # and alpha workflows). Dot-source it, then call Get-WindVersion. installer/wind.nsi reads the same
 # three defines with !searchparse.
diff --git a/tools/warm_cadence_sweep.ps1 b/tools/warm_cadence_sweep.ps1
index f313e31a..19b88015 100644
--- a/tools/warm_cadence_sweep.ps1
+++ b/tools/warm_cadence_sweep.ps1
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # Warm-keeping cadence sweep (issue #246): for each txWarmHz, score the two things the knob
 # trades against each other -
 #   1. the pan-start hitch, via tools/pan_wake_probe.ps1 -Drive (composition stalls on the WAKE
diff --git a/tools/wind_drive_probe.ps1 b/tools/wind_drive_probe.ps1
index 4ce44d27..33a0107a 100644
--- a/tools/wind_drive_probe.ps1
+++ b/tools/wind_drive_probe.ps1
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # Can Wind's zoom be driven programmatically? (prerequisite for automated cadence A/B)
 #
 # Wind binds zoom-in to mouse button 5 (zoomInButton=2 -> XBUTTON2) and reads side buttons through
diff --git a/tools/zoom_response_ab.ps1 b/tools/zoom_response_ab.ps1
index 0471964b..5f59ad94 100644
--- a/tools/zoom_response_ab.ps1
+++ b/tools/zoom_response_ab.ps1
@@ -1,3 +1,5 @@
+# Copyright (c) 2026 Max Aubert. All rights reserved.
+# Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 # Zoom response A/B harness (issue #310). MEASURES WHAT THE USER SEES, not just Wind's own ticks.
 #
 #   powershell -ExecutionPolicy Bypass -File tools\zoom_response_ab.ps1 -Label new -Scenario desktop
diff --git a/ui/controls.html b/ui/controls.html
index adfd9c67..20b2c9de 100644
--- a/ui/controls.html
+++ b/ui/controls.html
@@ -1,4 +1,6 @@
 <!doctype html>
+<!-- Copyright (c) 2026 Max Aubert. All rights reserved.
+     Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary -->
 <html lang="en">
 <head>
 <meta charset="utf-8">
diff --git a/ui/index.html b/ui/index.html
index 3b9613ba..0caa668e 100644
--- a/ui/index.html
+++ b/ui/index.html
@@ -1,2 +1,5 @@
-<!doctype html><html lang="en"><head><meta charset="utf-8" /><title>Wind Settings</title></head>
+<!doctype html>
+<!-- Copyright (c) 2026 Max Aubert. All rights reserved.
+     Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary -->
+<html lang="en"><head><meta charset="utf-8" /><title>Wind Settings</title></head>
 <body><div id="app"></div><script type="module" src="/src/main.js"></script></body></html>
diff --git a/ui/playwright.config.js b/ui/playwright.config.js
index 0213dff4..161d1f8b 100644
--- a/ui/playwright.config.js
+++ b/ui/playwright.config.js
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 import { defineConfig } from '@playwright/test';
 // Own dev server on its own port, never a reused one: several worktrees of this repo run tests on
 // this machine, and reusing another checkout's server on 5173 tested the wrong code (13 false
diff --git a/ui/preview.html b/ui/preview.html
index 7136192c..d2535ef2 100644
--- a/ui/preview.html
+++ b/ui/preview.html
@@ -1,4 +1,6 @@
 <!doctype html>
+<!-- Copyright (c) 2026 Max Aubert. All rights reserved.
+     Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary -->
 <html lang="en">
 <head>
 <meta charset="utf-8">
diff --git a/ui/src/App.svelte b/ui/src/App.svelte
index b26d001c..206a1bab 100644
--- a/ui/src/App.svelte
+++ b/ui/src/App.svelte
@@ -1,3 +1,5 @@
+<!-- Copyright (c) 2026 Max Aubert. All rights reserved.
+     Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary -->
 <script>
   import { onMount } from 'svelte';
   import { getMode, post } from './bridge.js';
diff --git a/ui/src/Onboarding.svelte b/ui/src/Onboarding.svelte
index b408fecb..a0c2b294 100644
--- a/ui/src/Onboarding.svelte
+++ b/ui/src/Onboarding.svelte
@@ -1,3 +1,5 @@
+<!-- Copyright (c) 2026 Max Aubert. All rights reserved.
+     Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary -->
 <script>
   import { onMount } from 'svelte';
   import { setConfig, setConfigPersist, windowControl } from './bridge.js';
diff --git a/ui/src/Settings.svelte b/ui/src/Settings.svelte
index 3a8a6eb7..a3e70aab 100644
--- a/ui/src/Settings.svelte
+++ b/ui/src/Settings.svelte
@@ -1,3 +1,5 @@
+<!-- Copyright (c) 2026 Max Aubert. All rights reserved.
+     Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary -->
 <script>
   // Settings window: instant apply with an explicit Save (spec 2026-10-01).
   //   values  the session: what the live ini holds right now. Every change is written at once
diff --git a/ui/src/bridge.js b/ui/src/bridge.js
index 1f4feb4a..34e0ab9b 100644
--- a/ui/src/bridge.js
+++ b/ui/src/bridge.js
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 const wv = window.chrome && window.chrome.webview;
 const listeners = new Set();
 if (wv) wv.addEventListener('message', e => listeners.forEach(fn => fn(e.data)));
diff --git a/ui/src/controls/About.svelte b/ui/src/controls/About.svelte
index b01f4877..a9fbef4f 100644
--- a/ui/src/controls/About.svelte
+++ b/ui/src/controls/About.svelte
@@ -1,3 +1,5 @@
+<!-- Copyright (c) 2026 Max Aubert. All rights reserved.
+     Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary -->
 <script>
   // About page body: logo, name, tagline, version and the GitHub link (today's About content).
   import { iconSvg } from '../design/icons.js';
diff --git a/ui/src/controls/AppList.svelte b/ui/src/controls/AppList.svelte
index e4387e79..9b743b04 100644
--- a/ui/src/controls/AppList.svelte
+++ b/ui/src/controls/AppList.svelte
@@ -1,3 +1,5 @@
+<!-- Copyright (c) 2026 Max Aubert. All rights reserved.
+     Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary -->
 <script>
   // An exe list kept as one comma-separated ini string. The row shows a summary and a Manage button;
   // the dialog lists the apps with Remove and adds through the host's file picker (`pick`).
diff --git a/ui/src/controls/Bindings.svelte b/ui/src/controls/Bindings.svelte
index fb0becdd..519b9ed1 100644
--- a/ui/src/controls/Bindings.svelte
+++ b/ui/src/controls/Bindings.svelte
@@ -1,3 +1,5 @@
+<!-- Copyright (c) 2026 Max Aubert. All rights reserved.
+     Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary -->
 <script>
   // The bindings of one hotkey row (Hotkeys page, #318): one box per binding with the plus inside
   // ([Ctrl + Wheel up]), click a box to record it again, a small x on hover removes it. A row takes
diff --git a/ui/src/controls/EngineRow.svelte b/ui/src/controls/EngineRow.svelte
index 30e6b5f8..6339e8d1 100644
--- a/ui/src/controls/EngineRow.svelte
+++ b/ui/src/controls/EngineRow.svelte
@@ -1,3 +1,5 @@
+<!-- Copyright (c) 2026 Max Aubert. All rights reserved.
+     Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary -->
 <script>
   // The Engine select. A running Wind with both engines up applies a change live on its reload
   // (`running` is "live": no button). One whose other engine failed to start runs that one engine
diff --git a/ui/src/controls/PanBinding.svelte b/ui/src/controls/PanBinding.svelte
index 70c4c1ce..96b2a64e 100644
--- a/ui/src/controls/PanBinding.svelte
+++ b/ui/src/controls/PanBinding.svelte
@@ -1,3 +1,5 @@
+<!-- Copyright (c) 2026 Max Aubert. All rights reserved.
+     Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary -->
 <script>
   // "Pan with the arrow keys" (Hotkeys page, #318): ONE binding of one or two modifiers plus the fixed
   // arrow keys, drawn as a single box [Ctrl + Alt + Arrow keys] with the arrow part dimmer. Unset it
diff --git a/ui/src/controls/Preview.svelte b/ui/src/controls/Preview.svelte
index c4f17b6f..47b7ee81 100644
--- a/ui/src/controls/Preview.svelte
+++ b/ui/src/controls/Preview.svelte
@@ -1,3 +1,5 @@
+<!-- Copyright (c) 2026 Max Aubert. All rights reserved.
+     Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary -->
 <script>
   // Dev/test harness for the regrouped pages: every group's cards rendered with SettingRow and fake
   // values, no bridge. Served at /controls.html (not part of the production build).
diff --git a/ui/src/controls/Select.svelte b/ui/src/controls/Select.svelte
index c1980851..29d0be71 100644
--- a/ui/src/controls/Select.svelte
+++ b/ui/src/controls/Select.svelte
@@ -1,3 +1,5 @@
+<!-- Copyright (c) 2026 Max Aubert. All rights reserved.
+     Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary -->
 <script>
   // Native select drawn flat to match the cards (chevron, soft fill). Native keeps the keyboard and
   // screen-reader contract for free; the colours come from the tokens.
diff --git a/ui/src/controls/SettingRow.svelte b/ui/src/controls/SettingRow.svelte
index 7466752b..8282fb30 100644
--- a/ui/src/controls/SettingRow.svelte
+++ b/ui/src/controls/SettingRow.svelte
@@ -1,3 +1,5 @@
+<!-- Copyright (c) 2026 Max Aubert. All rights reserved.
+     Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary -->
 <script>
   // One schema row: label and description left, the control for row.type right-aligned to the card
   // edge. Props only, no bridge calls: the page passes values and handlers.
diff --git a/ui/src/controls/Slider.svelte b/ui/src/controls/Slider.svelte
index 3975bc73..a04caae4 100644
--- a/ui/src/controls/Slider.svelte
+++ b/ui/src/controls/Slider.svelte
@@ -1,3 +1,5 @@
+<!-- Copyright (c) 2026 Max Aubert. All rights reserved.
+     Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary -->
 <script>
   // Range input with a teal fill left of the thumb and a bright end-cap knob (3x9px, no shadow).
   // The value is right-aligned in tabular numbers. `unit` is spoken, not drawn.
diff --git a/ui/src/controls/Toggle.svelte b/ui/src/controls/Toggle.svelte
index 6bcfffb1..10bf3fbd 100644
--- a/ui/src/controls/Toggle.svelte
+++ b/ui/src/controls/Toggle.svelte
@@ -1,3 +1,5 @@
+<!-- Copyright (c) 2026 Max Aubert. All rights reserved.
+     Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary -->
 <script>
   // On/off switch. `value` is the ini number (1 = on). A real checkbox with role=switch sits over
   // the drawn track, so keyboard and screen readers get a native control.
diff --git a/ui/src/controls/bindings.css b/ui/src/controls/bindings.css
index 63419fc1..277b0047 100644
--- a/ui/src/controls/bindings.css
+++ b/ui/src/controls/bindings.css
@@ -1,3 +1,5 @@
+/* Copyright (c) 2026 Max Aubert. All rights reserved.
+   Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary */
 /* Binding boxes of the Hotkeys page (mockup ia07 .kc / .kb / .kx). One box per binding with the plus
    inside it; "or" separates two bindings; a small x appears on hover or focus to remove one. */
 .bx { display: inline-flex; align-items: center; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
diff --git a/ui/src/design/Preview.svelte b/ui/src/design/Preview.svelte
index a769db52..d85c06b1 100644
--- a/ui/src/design/Preview.svelte
+++ b/ui/src/design/Preview.svelte
@@ -1,3 +1,5 @@
+<!-- Copyright (c) 2026 Max Aubert. All rights reserved.
+     Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary -->
 <script>
   // Dev/test harness: every shell component rendered with props only, no bridge. Served by Vite
   // dev at /preview.html (not part of the production build).
diff --git a/ui/src/design/icons.js b/ui/src/design/icons.js
index 91268a36..4b05b87b 100644
--- a/ui/src/design/icons.js
+++ b/ui/src/design/icons.js
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // Terminal icon set from the final mockup (square caps, mitred joins), plus the few window
 // glyphs the shell needs. Static literals, injected with {@html iconSvg(name)}.
 const paths = {
diff --git a/ui/src/design/tokens.css b/ui/src/design/tokens.css
index 8a90e650..199103cf 100644
--- a/ui/src/design/tokens.css
+++ b/ui/src/design/tokens.css
@@ -1,3 +1,5 @@
+/* Copyright (c) 2026 Max Aubert. All rights reserved.
+   Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary */
 /* Design tokens for the redesigned Settings window.
    Source of truth: docs/design/settings-2026-10/FINAL-v10-grey.html (baseline + the v10 overrides
    at the end of its stylesheet). Scoped to .wnd; the global theme.css keeps the page-wide rules
diff --git a/ui/src/lib/KeybindCapture.svelte b/ui/src/lib/KeybindCapture.svelte
index 67fcd228..d3ce27e0 100644
--- a/ui/src/lib/KeybindCapture.svelte
+++ b/ui/src/lib/KeybindCapture.svelte
@@ -1,3 +1,5 @@
+<!-- Copyright (c) 2026 Max Aubert. All rights reserved.
+     Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary -->
 <script>
   // row.buttonKey = 'zoomInButton'|'zoomOutButton' (omit for keyboard-only slots);
   // row.vkKey = main VK ('zoomInVk' etc.); row.modsKey = modifier mask ('zoomInMods' etc., optional).
diff --git a/ui/src/lib/bindNames.js b/ui/src/lib/bindNames.js
index 08cf8091..a6a6d38c 100644
--- a/ui/src/lib/bindNames.js
+++ b/ui/src/lib/bindNames.js
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // Readable names for bindings, shared by the Settings hotkeys page and the onboarding capture.
 export const MOD_BITS = [{ bit: 1, name: 'Ctrl' }, { bit: 2, name: 'Alt' }, { bit: 4, name: 'Shift' }, { bit: 8, name: 'Win' }];
 export const modList = (m) => MOD_BITS.filter((b) => m & b.bit).map((b) => b.name);
diff --git a/ui/src/lib/bindings.js b/ui/src/lib/bindings.js
index 10d578e1..5b5c0799 100644
--- a/ui/src/lib/bindings.js
+++ b/ui/src/lib/bindings.js
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // Pure model of the hotkeys page (#318): how a keybind row's ini slots read as "bindings" and how a
 // captured press is written back. No DOM, no bridge, so Playwright can import it directly.
 //
diff --git a/ui/src/lib/capture.js b/ui/src/lib/capture.js
index f4695043..f26c6a29 100644
--- a/ui/src/lib/capture.js
+++ b/ui/src/lib/capture.js
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // Keybind captures that are listening right now (Bindings, PanBinding). Settings' page shortcuts
 // (Ctrl+F, Ctrl+Q, Escape) stand down while one is: its window listener runs before theirs, so the
 // combination being recorded would also run the shortcut (#495).
diff --git a/ui/src/lib/dialog.js b/ui/src/lib/dialog.js
index 3d9e9c81..530ac489 100644
--- a/ui/src/lib/dialog.js
+++ b/ui/src/lib/dialog.js
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // Modal focus management (issue #201).
 //
 // Every dialog in this app already carried role="dialog" aria-modal="true", which is why the
diff --git a/ui/src/lib/keybindRules.js b/ui/src/lib/keybindRules.js
index 75fa3136..a84eed4e 100644
--- a/ui/src/lib/keybindRules.js
+++ b/ui/src/lib/keybindRules.js
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // Mirror of src/input/keybind_rules.h (issue #285). Both are tested against tests/fixtures/keybind_cases.txt
 // (ui/tests/keybind-rules.nodetest.mjs and tests/test_keybind_rules.cpp), so a rule changed in one place
 // fails the other's tests until it is changed there too.
diff --git a/ui/src/main.js b/ui/src/main.js
index d850d616..e88814ae 100644
--- a/ui/src/main.js
+++ b/ui/src/main.js
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 import './theme.css';
 import { mount } from 'svelte';
 import App from './App.svelte';
diff --git a/ui/src/prefs/NewProfileDialog.svelte b/ui/src/prefs/NewProfileDialog.svelte
index 0b01035d..cf2c2653 100644
--- a/ui/src/prefs/NewProfileDialog.svelte
+++ b/ui/src/prefs/NewProfileDialog.svelte
@@ -1,3 +1,5 @@
+<!-- Copyright (c) 2026 Max Aubert. All rights reserved.
+     Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary -->
 <script>
   // "New profile" dialog (ia07, buttons by owner decision): a name, then Cancel, New (the default settings) or
   // Duplicate current (a copy of the current settings, unsaved changes included). Enter in the name field
diff --git a/ui/src/prefs/ProfilePicker.svelte b/ui/src/prefs/ProfilePicker.svelte
index 3d015703..4768e594 100644
--- a/ui/src/prefs/ProfilePicker.svelte
+++ b/ui/src/prefs/ProfilePicker.svelte
@@ -1,3 +1,5 @@
+<!-- Copyright (c) 2026 Max Aubert. All rights reserved.
+     Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary -->
 <script>
   // Profile row: a dropdown of the profiles plus one New button (ia07 mockup). Each profile in the open
   // list carries a trash icon that asks to delete it; with one profile left there is no trash at all, and
diff --git a/ui/src/prefs/ThemePicker.svelte b/ui/src/prefs/ThemePicker.svelte
index c2e2208a..1461c1dc 100644
--- a/ui/src/prefs/ThemePicker.svelte
+++ b/ui/src/prefs/ThemePicker.svelte
@@ -1,3 +1,5 @@
+<!-- Copyright (c) 2026 Max Aubert. All rights reserved.
+     Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary -->
 <script>
   // Theme picker (mockup option A, owner decision): ONE row of mini window preview cards with the theme name
   // under each and the selected card outlined. There are four themes, so they always fit: no scrolling, no
diff --git a/ui/src/prefs/profileName.js b/ui/src/prefs/profileName.js
index 7be11bcc..10794465 100644
--- a/ui/src/prefs/profileName.js
+++ b/ui/src/prefs/profileName.js
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // Profile name rules, mirroring the host's ValidateNewName (src/config_ui/main.cpp, src/config/profiles.*): a
 // profile is a file, so the name must be a legal Windows file name. Pure, no DOM, so tests import it.
 const forbidden = /[\\/:*?"<>|]/;
diff --git a/ui/src/prompts/Prompt.svelte b/ui/src/prompts/Prompt.svelte
index f8eb2115..8bf91ceb 100644
--- a/ui/src/prompts/Prompt.svelte
+++ b/ui/src/prompts/Prompt.svelte
@@ -1,3 +1,5 @@
+<!-- Copyright (c) 2026 Max Aubert. All rights reserved.
+     Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary -->
 <script>
   // One modal prompt. buttons: [{ label, kind: 'primary' | 'danger' | '', onClick }]. Esc calls onEsc (omit to
   // make Esc do nothing). Focus moves into the box and Tab is held there by the dialog action.
diff --git a/ui/src/search/Results.svelte b/ui/src/search/Results.svelte
index 88c3162d..13d3fcb8 100644
--- a/ui/src/search/Results.svelte
+++ b/ui/src/search/Results.svelte
@@ -1,3 +1,5 @@
+<!-- Copyright (c) 2026 Max Aubert. All rights reserved.
+     Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary -->
 <script>
   // Search results: ONE ranked list, best match first. Each result is the setting's real row (the same
   // SettingRow, with the same value and handlers as on its page), so it is edited right here and
diff --git a/ui/src/search/search.js b/ui/src/search/search.js
index 2d4488fb..549645ac 100644
--- a/ui/src/search/search.js
+++ b/ui/src/search/search.js
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // Settings search (pure, no DOM). Ranks every searchable row against a query, best match first.
 //
 // Each row is scored from its own text, best field first: label (exact > word-prefix > substring >
diff --git a/ui/src/session.js b/ui/src/session.js
index bfacb343..2b391f99 100644
--- a/ui/src/session.js
+++ b/ui/src/session.js
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // Pure helpers for the session model (spec 2026-10-01): the live ini is the session, the active
 // profile file is the saved state. No bridge, no DOM, so Playwright can import it directly.
 import { groups, groupRows, bindKeys } from './settings-schema.js';
diff --git a/ui/src/settings-schema.js b/ui/src/settings-schema.js
index d9076f03..65d50785 100644
--- a/ui/src/settings-schema.js
+++ b/ui/src/settings-schema.js
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // Settings page layout (#318, round 2 of the redesign #303). Seven groups: Hotkeys (Settings opens
 // here), Zoom, View, Screen, then below a divider Preferences, Tray menu, About. Each group has a
 // label, a sidebar icon (src/design/icons.js), a one-line description for its banner and cards of
diff --git a/ui/src/shell/Banner.svelte b/ui/src/shell/Banner.svelte
index 59807637..bee97047 100644
--- a/ui/src/shell/Banner.svelte
+++ b/ui/src/shell/Banner.svelte
@@ -1,3 +1,5 @@
+<!-- Copyright (c) 2026 Max Aubert. All rights reserved.
+     Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary -->
 <script>
   import { onMount } from 'svelte';
   import { iconSvg } from '../design/icons.js';
diff --git a/ui/src/shell/Card.svelte b/ui/src/shell/Card.svelte
index 6babb117..ab5aafc1 100644
--- a/ui/src/shell/Card.svelte
+++ b/ui/src/shell/Card.svelte
@@ -1,3 +1,5 @@
+<!-- Copyright (c) 2026 Max Aubert. All rights reserved.
+     Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary -->
 <script>
   // A captioned group of rows. Children render inside the bordered card.
   let { caption = '', children } = $props();
diff --git a/ui/src/shell/SaveCapsule.svelte b/ui/src/shell/SaveCapsule.svelte
index 010c6200..42ff660a 100644
--- a/ui/src/shell/SaveCapsule.svelte
+++ b/ui/src/shell/SaveCapsule.svelte
@@ -1,3 +1,5 @@
+<!-- Copyright (c) 2026 Max Aubert. All rights reserved.
+     Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary -->
 <script>
   // Floating unsaved-changes pill. Renders nothing when there is nothing to save. It rises a few px
   // as it appears and eases back down when it goes. After a successful Save it stays for a moment
diff --git a/ui/src/shell/ScrollChip.svelte b/ui/src/shell/ScrollChip.svelte
index 73fbfc3f..1d0b0e0c 100644
--- a/ui/src/shell/ScrollChip.svelte
+++ b/ui/src/shell/ScrollChip.svelte
@@ -1,3 +1,5 @@
+<!-- Copyright (c) 2026 Max Aubert. All rights reserved.
+     Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary -->
 <script>
   // The Settings page's scroll indicator (#329, owner decision): one small fixed-size chip on the right
   // edge instead of a scrollbar. It shows only when the page has more to scroll, its position follows
diff --git a/ui/src/shell/Sidebar.svelte b/ui/src/shell/Sidebar.svelte
index 073100d1..c8ede24a 100644
--- a/ui/src/shell/Sidebar.svelte
+++ b/ui/src/shell/Sidebar.svelte
@@ -1,3 +1,5 @@
+<!-- Copyright (c) 2026 Max Aubert. All rights reserved.
+     Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary -->
 <script>
   import { iconSvg } from '../design/icons.js';
   // groups: the pages above the divider, bottom: the pages below it ([{ id, label, icon }]). `version` shows beside the row with id 'about'.
diff --git a/ui/src/shell/TitleBar.svelte b/ui/src/shell/TitleBar.svelte
index 6e79e805..43b02e13 100644
--- a/ui/src/shell/TitleBar.svelte
+++ b/ui/src/shell/TitleBar.svelte
@@ -1,3 +1,5 @@
+<!-- Copyright (c) 2026 Max Aubert. All rights reserved.
+     Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary -->
 <script>
   import { iconSvg } from '../design/icons.js';
   // Props only. The bar carries the window buttons and nothing else: minimize, maximize (restore when
diff --git a/ui/src/theme.css b/ui/src/theme.css
index eceee740..ac370bd3 100644
--- a/ui/src/theme.css
+++ b/ui/src/theme.css
@@ -1,3 +1,5 @@
+/* Copyright (c) 2026 Max Aubert. All rights reserved.
+   Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary */
 :root {
   --bg:#0e0e12; --text:#f3f3f6; --line:#1f1f25; --hover:rgba(255,255,255,.07); --accent:#5b5bd6;
   --track:rgba(255,255,255,.16); --chip:rgba(255,255,255,.06); --focus:#a5a5ff;
diff --git a/ui/src/tray/DragList.svelte b/ui/src/tray/DragList.svelte
index a378d6a6..8a3f6932 100644
--- a/ui/src/tray/DragList.svelte
+++ b/ui/src/tray/DragList.svelte
@@ -1,3 +1,5 @@
+<!-- Copyright (c) 2026 Max Aubert. All rights reserved.
+     Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary -->
 <script>
   // A card of reorderable rows. Reusable: the caller owns the order and renders each row's content.
   //   items       [{ key, ... }] in display order (key is unique)
diff --git a/ui/src/tray/TrayMenuPage.svelte b/ui/src/tray/TrayMenuPage.svelte
index ee622bbd..053ded49 100644
--- a/ui/src/tray/TrayMenuPage.svelte
+++ b/ui/src/tray/TrayMenuPage.svelte
@@ -1,3 +1,5 @@
+<!-- Copyright (c) 2026 Max Aubert. All rights reserved.
+     Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary -->
 <script>
   // The two item lists of the "Tray menu" tab: Sliders (at most four on) and Toggles. The
   // Performance switch above them is an ordinary schema row. Each change writes that list's two ini
diff --git a/ui/src/tray/trayModel.js b/ui/src/tray/trayModel.js
index 6a24595d..d13904f8 100644
--- a/ui/src/tray/trayModel.js
+++ b/ui/src/tray/trayModel.js
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // Tray menu lists (pure, no DOM): which quick controls the tray flyout shows and in what order.
 // Mirrors src/tray/tray_items.cpp (ParseTrayLayout / WriteTrayLayout) so the page and WindTray read the
 // same five global ini keys the same way: trayPerf, traySliders, traySliderOrder, trayToggles,
diff --git a/ui/tests/a11y.spec.js b/ui/tests/a11y.spec.js
index 41ae005a..7ffd7dfd 100644
--- a/ui/tests/a11y.spec.js
+++ b/ui/tests/a11y.spec.js
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // Screen-reader and keyboard regression tests (issue #201), rewritten for the redesigned shell (#303).
 //
 // The original finding: nothing in the settings list had an accessible name, so the accessibility
diff --git a/ui/tests/bindings.spec.js b/ui/tests/bindings.spec.js
index e7678114..f468215a 100644
--- a/ui/tests/bindings.spec.js
+++ b/ui/tests/bindings.spec.js
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // The pure binding model of the Hotkeys page (#318): how slots read as boxes and where a capture lands.
 import { test, expect } from '@playwright/test';
 import { readFileSync } from 'node:fs';
diff --git a/ui/tests/config-defaults.nodetest.mjs b/ui/tests/config-defaults.nodetest.mjs
index 27031445..0fe28ae6 100644
--- a/ui/tests/config-defaults.nodetest.mjs
+++ b/ui/tests/config-defaults.nodetest.mjs
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 import test from 'node:test';
 import assert from 'node:assert/strict';
 import { readFileSync } from 'node:fs';
diff --git a/ui/tests/global-keys.nodetest.mjs b/ui/tests/global-keys.nodetest.mjs
index eece78eb..dfb9f8ee 100644
--- a/ui/tests/global-keys.nodetest.mjs
+++ b/ui/tests/global-keys.nodetest.mjs
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 import test from 'node:test';
 import assert from 'node:assert/strict';
 import { readFileSync } from 'node:fs';
diff --git a/ui/tests/interaction.spec.js b/ui/tests/interaction.spec.js
index 8372e7cf..9f4ce74f 100644
--- a/ui/tests/interaction.spec.js
+++ b/ui/tests/interaction.spec.js
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 import { test, expect } from '@playwright/test';
 
 // Interaction polish (#303): no text selection, no focus box on mouse click, calm motion that
diff --git a/ui/tests/keybind-rules.nodetest.mjs b/ui/tests/keybind-rules.nodetest.mjs
index c377c312..173cc9a2 100644
--- a/ui/tests/keybind-rules.nodetest.mjs
+++ b/ui/tests/keybind-rules.nodetest.mjs
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 import test from 'node:test';
 import assert from 'node:assert/strict';
 import { readFileSync } from 'node:fs';
diff --git a/ui/tests/onboarding.spec.js b/ui/tests/onboarding.spec.js
index 5c3e4b87..9d22e288 100644
--- a/ui/tests/onboarding.spec.js
+++ b/ui/tests/onboarding.spec.js
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 import { test, expect } from '@playwright/test';
 
 test.beforeEach(async ({ page }) => {
diff --git a/ui/tests/prefs.spec.js b/ui/tests/prefs.spec.js
index 086e08b2..c0437761 100644
--- a/ui/tests/prefs.spec.js
+++ b/ui/tests/prefs.spec.js
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // Preferences page (#318, Task 4): the Mode switch, the built-in themes (tokens change with uiPalette and the
 // resolved mode) and the profile dropdown with its New and delete dialogs, against a mock host that
 // implements the session and profile messages.
diff --git a/ui/tests/responsive.spec.js b/ui/tests/responsive.spec.js
index 3c90fd5d..795ea15d 100644
--- a/ui/tests/responsive.spec.js
+++ b/ui/tests/responsive.spec.js
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // Responsive layout: no horizontal overflow of the page and no control sticking out of its card at
 // window sizes from a narrow strip to a very wide monitor, on every page, search and onboarding.
 import { test, expect } from '@playwright/test';
diff --git a/ui/tests/scaling-notice.spec.js b/ui/tests/scaling-notice.spec.js
index 8addb750..f3c51e07 100644
--- a/ui/tests/scaling-notice.spec.js
+++ b/ui/tests/scaling-notice.spec.js
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // Smooth transform scaling notice (#441, formerly the High resolution cursor toggle): choosing Smooth asks first; "Don't show this again" is the
 // global UI-only key uiHighResNoticeOff. Mock host: window.__live is the live ini, window.__msgs every post.
 import { test, expect } from '@playwright/test';
diff --git a/ui/tests/schema.spec.js b/ui/tests/schema.spec.js
index ad381c85..2e05189f 100644
--- a/ui/tests/schema.spec.js
+++ b/ui/tests/schema.spec.js
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 import { test, expect } from '@playwright/test';
 import { readFileSync, readdirSync } from 'node:fs';
 import { groups, allRows, groupRows, bindKeys } from '../src/settings-schema.js';
diff --git a/ui/tests/search.spec.js b/ui/tests/search.spec.js
index a4b3dab4..a24bc4f6 100644
--- a/ui/tests/search.spec.js
+++ b/ui/tests/search.spec.js
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // Settings search (#317): the pure ranker/fuzzy matcher, then the results page against the mock bridge
 // (ranked list, the real controls edited in place, advanced rows, tray lists never indexed).
 import { test, expect } from '@playwright/test';
diff --git a/ui/tests/session.spec.js b/ui/tests/session.spec.js
index 96992f3c..6bdca24b 100644
--- a/ui/tests/session.spec.js
+++ b/ui/tests/session.spec.js
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 import { test, expect } from '@playwright/test';
 import { readFileSync } from 'node:fs';
 import { changedKeys, fill, GLOBAL_KEYS } from '../src/session.js';
diff --git a/ui/tests/settings.spec.js b/ui/tests/settings.spec.js
index e4eaf863..0d4fc7ba 100644
--- a/ui/tests/settings.spec.js
+++ b/ui/tests/settings.spec.js
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // Settings window against the mock bridge: the seven pages and navigation, instant apply, the
 // advanced switch and the Hotkeys page (one-box bindings, wheel capture, limits, extra-key switches).
 // Redesign #303, structure and hotkeys #318.
diff --git a/ui/tests/shell.spec.js b/ui/tests/shell.spec.js
index 38017aa4..8bb4581e 100644
--- a/ui/tests/shell.spec.js
+++ b/ui/tests/shell.spec.js
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 import { test, expect } from '@playwright/test';
 import { readFileSync } from 'node:fs';
 import { iconNames, iconSvg } from '../src/design/icons.js';
diff --git a/ui/tests/tray.spec.js b/ui/tests/tray.spec.js
index c82e99d7..ff0fa5ad 100644
--- a/ui/tests/tray.spec.js
+++ b/ui/tests/tray.spec.js
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // Settings "Tray menu" tab (#313): the Performance switch, the Sliders and Toggles lists with
 // check, drag and keyboard reorder, the four-slider cap, and the five global ini keys written
 // through the mock bridge. Plus the pure list model that mirrors src/tray/tray_items.cpp.
diff --git a/ui/tools/gen-flyout-palettes.cjs b/ui/tools/gen-flyout-palettes.cjs
index 47826427..b8a3aad1 100644
--- a/ui/tools/gen-flyout-palettes.cjs
+++ b/ui/tools/gen-flyout-palettes.cjs
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // Generates src/tray_app/flyout_palettes.h (the tray flyout's 4 themes, dark only since 0.20.0 / #324) from the same mockup palettes
 // as ui/tools/gen-themes.cjs, evaluating the tokens tray08.css derives (all color-mix(in srgb) done here):
 //   off = chip, offh = fg 6% over chip, ton = segon || swon (solid), tonh = segon || fg 12% over swon,
diff --git a/ui/tools/gen-themes.cjs b/ui/tools/gen-themes.cjs
index 1a59d4d0..6ca6d277 100644
--- a/ui/tools/gen-themes.cjs
+++ b/ui/tools/gen-themes.cjs
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 // Generates ui/src/design/themes.css and ui/src/design/themes.js from the mockup palette files
 // (wind-settings-mockups/ia/palettes08.cjs, palettes-b1.cjs, palettes-b2.cjs, the owner's final pick of 2026-10-02).
 //
diff --git a/ui/vite.config.js b/ui/vite.config.js
index 1083abf6..bc3e7e60 100644
--- a/ui/vite.config.js
+++ b/ui/vite.config.js
@@ -1,3 +1,5 @@
+// Copyright (c) 2026 Max Aubert. All rights reserved.
+// Proprietary source-available software; see LICENSE. SPDX-License-Identifier: LicenseRef-Wind-Proprietary
 import { defineConfig } from 'vite';
 import { svelte } from '@sveltejs/vite-plugin-svelte';
 import { readFileSync } from 'node:fs';