feat(gui)!: replace the terminal interface with an egui desktop window

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -70,10 +70,10 @@ body:
     attributes:
       label: How was it running?
       options:
-        - Interactive TUI
+        - Desktop window (GUI)
         - Headless (--scan)
         - Headless with repairs (--auto-fix)
-        - Simulation (--dry-run, or [D] in the TUI)
+        - Simulation (--dry-run, or the simulation switch in the window)
     validations:
       required: true
 

.github/workflows/ci.yml

@@ -100,11 +100,14 @@ jobs:
       - uses: taiki-e/install-action@cargo-audit
 
       # Plain `cargo audit` fails on a vulnerability and passes on an
-      # informational warning, which is the policy we want: the three warnings
-      # open today (RUSTSEC-2024-0436 paste, RUSTSEC-2026-0002 and
-      # RUSTSEC-2026-0253 lru) all arrive through ratatui and cannot be
-      # resolved here. A gate that is red for reasons nobody can act on is a
-      # gate people learn to ignore. Warnings still show up in the job log.
+      # informational warning, which is the policy we want: a gate that goes red
+      # for reasons nobody can act on is a gate people learn to ignore, and the
+      # warnings still show up in the job log either way.
+      #
+      # The three this comment used to enumerate (RUSTSEC-2024-0436 `paste`,
+      # RUSTSEC-2026-0002 and RUSTSEC-2026-0253 `lru`) all arrived through
+      # ratatui and left with it when the terminal front end was replaced by
+      # egui. The tree audits clean as of that change.
       - name: Audit Dependencies
         run: cargo audit
 

.gitignore

@@ -7,4 +7,5 @@ Thumbs.db
 *.exe
 .idea/
 .vscode/
+.zcode/
 implementation_plan.md

CONTRIBUTING.md

@@ -10,9 +10,9 @@ where the risky parts of the codebase are.
 - **Windows.** The crate is Windows-only and does not cross-compile for
   development — `winreg` refuses to build on other platforms with a
   `compile_error!`. A Windows VM works fine.
-- **Rust 1.88 or newer.** This is the MSRV declared in `Cargo.toml` and
+- **Rust 1.95 or newer.** This is the MSRV declared in `Cargo.toml` and
   enforced by the `msrv` CI job. Edition 2024 alone would only need 1.85; the
-  floor comes from `ratatui → instability → darling`.
+  floor comes from `egui`/`eframe`.
 - **Administrator rights** to exercise the repair paths by hand. The test
   suite itself does not need them.