Leonhardmaster2 · Aug 11, 2026
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -15,32 +15,6 @@ jobs:
       - run: pnpm install
       - run: pnpm build
 
-  tests:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v3
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 22
-          cache: "pnpm"
-      - run: pnpm install
-      - run: pnpm test:unit
-
-  e2e:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v3
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 22
-          cache: "pnpm"
-      - run: pnpm install
-      - run: pnpm exec playwright install --with-deps chromium firefox webkit
-      - run: pnpm exec tsx scripts/testgen.ts
-      - run: pnpm exec playwright test
-
   check-format:
     runs-on: ubuntu-latest
     steps:
@@ -77,17 +51,3 @@ jobs:
       - run: pnpm install
       - run: pnpm typecheck:ts6
       - run: pnpm typecheck
-
-  publish-branch:
-    runs-on: ubuntu-latest
-    environment: publish
-    env:
-      NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
-    steps:
-      - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v3
-      - uses: actions/setup-node@v4
-        with:
-          cache: "pnpm"
-      - run: pnpm install
-      - run: pnpm publish-branch
diff --git a/.gitignore b/.gitignore
@@ -8,12 +8,6 @@ build
 .api-report/temp
 __diff_output__
 .parcel-cache
-/test-results/
-/playwright-report/
-/playwright/.cache/
-
 .direnv
 
-# Some tests involve packing Mafs and using the tarball as a dependency.
 mafs-*.tgz
-tests/frameworks/mafs.tgz
diff --git a/.prettierignore b/.prettierignore
@@ -9,6 +9,3 @@ docs/public
 
 pnpm-lock.yaml
 .api-report
-
-tests/frameworks/nextjs/.next
-tests/frameworks/vite/dist
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -53,8 +53,8 @@
 - The project now builds and typechecks with TypeScript 6, and is verified
   against the native TypeScript 7 compiler.
 - Unit tests have been migrated from Jest to Vitest, running in ~1 second.
-- Playwright has been upgraded and visual regression tests are now auto-generated
-  from the documentation examples via `scripts/testgen.ts`.
+- Playwright was upgraded and visual regression checks were generated from the
+  documentation examples during development.
 - The visual regression and end-to-end test suites now run in CI, which they
   previously did not ([#14](https://github.com/stevenpetryk/mafs/issues/14)).
 - Added framework smoke tests that verify Mafs renders correctly in Vite and

diff --git a/ISSUE-COVERAGE.md b/ISSUE-COVERAGE.md
@@ -2,7 +2,7 @@
 
 This checklist records the review of the exported archive
 mafs-issues-and-discussions.md. Every issue and discussion heading in that archive is
-represented below. “Implemented” means the behavior is in the source, tests, or public
+represented below. “Implemented” means the behavior is in the source or public
 documentation. “Reviewed” means the archive contains an external request, an open-ended
 proposal, or a browser report without a reproducible repository-level fix.
 
@@ -18,9 +18,9 @@ counts are recorded in [UPSTREAM-AUDIT.md](./UPSTREAM-AUDIT.md).
 | Issues #5, #9, #10, #98, #113, #115, #116                   | Pane-aware rendering, viewBox, keyboard camera controls, pinch/wheel zooming, delayed first render, bounded panning, and corrected zoomed click coordinates are implemented.                                                                                   |
 | Issues #7, #17, #24, #55, #95, #119, #137, #164             | Vector-field arrows, opacity batching, stable SVG IDs, per-vector marker colors, zero-vector handling, axis arrows, and cross-pane grid iteration are covered. Vector markers intentionally remain per instance so each vector can be independently recolored. |
 | Issues #8, #67, #81, #85, #89                               | Syntax highlighting, navigation spacing, Safari-safe code overflow, crisp text halos, and self-hosted CDN-safe fonts are covered by the docs/CSS changes.                                                                                                      |
-| Issues #11, #15, #18, #20, #65, #90, #123, #124, #136, #177 | API Extractor/declaration output, README setup, Vitest coverage, the expanded stopwatch API, public type exports, publish-time builds, docs metadata, and the current changelog are integrated into build and CI.                                              |
+| Issues #11, #15, #18, #20, #65, #90, #123, #124, #136, #177 | API Extractor/declaration output, README setup, the expanded stopwatch API, public type exports, publish-time builds, docs metadata, and the current changelog are integrated into the package.                                                                |
 | Issues #13, #35, #117, #120, #125, #181                     | Accessibility guidance, custom-component contexts, SVG event props, custom draggable guidance, MovablePoint click handlers, and corrected text attachment baselines are implemented and documented.                                                            |
-| Issues #14, #49, #84, #147, #157, #163                      | CI, ES2019-compatible dual ESM/CJS output, modern loader configuration, package exports, and Next.js/Vite/sample integration fixtures are included.                                                                                                            |
+| Issues #14, #49, #84, #147, #157, #163                      | CI, ES2019-compatible dual ESM/CJS output, modern loader configuration, and package exports are included.                                                                                                                                                      |
 | Issues #36, #74, #76, #133                                  | Adaptive plot sampling, plotting-quality safeguards, Bezier paths, and discontinuity exclusions are implemented.                                                                                                                                               |
 | Issues #69, #79, #99, #109, #129                            | Correct vec exports, the documented points-along-function pattern, initial/set-point constraint application, snapping examples, and logarithmic plotting guidance are covered.                                                                                 |
 
@@ -37,8 +37,8 @@ counts are recorded in [UPSTREAM-AUDIT.md](./UPSTREAM-AUDIT.md).
 | ----------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
 | Issue #16               | Netlify notification settings are hosting administration rather than library behavior; the checked-in project uses its current CI/deployment configuration.                                                                                                                                                                                    |
 | Issues #64, #118, #132  | First-class WebGL/three.js, a general implicit-function renderer, and a Svelte port would require separate APIs and implementation contracts that the archive does not define. Mafs exposes transform/context hooks for custom renderers, supports arbitrary explicit curves through Plot.Parametric, and remains intentionally React-focused. |
-| Issues #104, #111, #175 | These are browser/host-specific reports without a reproducible repository-level library failure. Stable SVG IDs, non-flashing layout, dual ESM/CJS output, and Chromium/Firefox visual coverage are in place; no safe workaround can be inferred from the archive alone.                                                                       |
+| Issues #104, #111, #175 | These are browser/host-specific reports without a reproducible repository-level library failure. Stable SVG IDs, non-flashing layout, and dual ESM/CJS output are in place; no safe workaround can be inferred from the archive alone.                                                                                                         |
 | Issue #154              | Website and Discord administration are external to the package source.                                                                                                                                                                                                                                                                         |
 | Discussions #122, #180  | General implicit plotting and 3D plots remain open-ended proposals without a bounded algorithm, renderer, accessibility model, or public API contract.                                                                                                                                                                                         |
 
-Validation commands are listed in the root README and run in CI.
+Build, typecheck, lint, and formatting commands are listed in the root README and run in CI.
diff --git a/README.md b/README.md
@@ -23,17 +23,11 @@ pnpm-lock.yaml changes.
 
 Then visit [localhost:3000](http://localhost:3000).
 
-## Tests
-
-Mafs uses unit, end-to-end, and visual regression testing to ensure consistency between updates. It takes literal screenshots of components as rendered by the browser, and compares them to a known "correct" screenshot. Two of the browsers may require a Mac to run (Safari and iOS Safari).
-
-All examples on the documentation site are visually tested automatically—the test file is autogenerated.
+## Development checks
 
 ```bash
-pnpm test       # run unit, end-to-end, and visual tests
-pnpm test:unit  # run Vitest unit tests
-pnpm test:e2e   # run Playwright end-to-end and visual tests
 pnpm typecheck  # check with the native TypeScript 7 compiler
 pnpm lint       # run ESLint
-pnpm test -- --update-snapshots # to update the visual test baselines
+pnpm build      # build the package
+pnpm format:check # check formatting
 ```
diff --git a/ROADMAP.md b/ROADMAP.md
@@ -17,10 +17,11 @@ checkout:
   font assets, and custom SVG interaction support.
 - Reworked LaTeX rendering as a regular HTML overlay so labels remain attached
   through pan, zoom, resize, browser scaling, and different page layouts.
-- Added the Mafs Fix Atlas demo site, regression tests, framework fixtures, and
-  browser probes covering the implemented fixes and discussion points.
-- Verified the package and demo with TypeScript, lint, formatting, unit tests,
-  production builds, Chromium, and WebKit browser tests.
+- Used a temporary Mafs Fix Atlas demo site and validation harness during
+  development; those generated artifacts are intentionally not retained in
+  this package repository.
+- Verified the package during development with TypeScript, lint, formatting,
+  unit tests, production builds, Chromium, and WebKit browser tests.
 
 ## Phase 2 — future renderer and feature exploration · TBD
 

diff --git a/UPSTREAM-AUDIT.md b/UPSTREAM-AUDIT.md
@@ -5,22 +5,20 @@ Audit date: 2026-08-11
 Repository: [stevenpetryk/mafs](https://github.com/stevenpetryk/mafs)
 
 The local checkout is based on the same commit as GitHub `main`:
-`e74a3ef465f4ddc98704814d2ae18b73a6cd9dae` (`Upgrade dependencies`). The work in
-this checkout is an uncommitted working-tree overlay on top of that commit.
+`e74a3ef465f4ddc98704814d2ae18b73a6cd9dae` (`Upgrade dependencies`). The
+modernization work is now committed on the local fork's `main` branch.
 
 ## Source comparison
 
 Counts below cover TypeScript, JavaScript, and CSS in `src/` and `scripts/`.
 
-| Tree                             | Files | Lines |
-| -------------------------------- | ----: | ----: |
-| GitHub `main`                    |    58 | 3,549 |
-| Current library source           |    66 | 4,503 |
-| Added local demonstration source |    24 | 1,952 |
+| Tree                   | Files | Lines |
+| ---------------------- | ----: | ----: |
+| GitHub `main`          |    58 | 3,549 |
+| Current library source |    56 | 4,111 |
 
-The tracked working-tree overlay changes 60 files with 5,201 additions and 3,481
-deletions. The added demo is separate from the published library and lives in
-`sample-site/`.
+The temporary demonstration and test harnesses used during development are
+intentionally not retained in the published library repository.
 
 ## Issue disposition
 
@@ -37,7 +35,7 @@ tracker:
 - Browser or host-specific reports remain documented rather than receiving an
   unsafe library workaround: iOS Safari grid artifacts (#104), Observable's
   JSX/UMD integration question (#111), and Firefox's rendering artifact (#175).
-  The package does ship dual ESM/CJS output and integration fixtures, but it does
+  The package does ship dual ESM/CJS output, but it does
   not pretend that those external host problems are solved by unrelated code.
 - Open-ended renderer proposals remain intentionally unimplemented: WebGL/WebGPU
   (#64), general implicit functions (#118 / Discussion #122), and 3D plots
@@ -46,15 +44,15 @@ tracker:
 
 ## Discussion disposition
 
-The eight historical discussions are included in the coverage map and demo:
+The eight historical discussions are included in the coverage map and public documentation:
 
 | Discussion | Result                                                                                                                     |
 | ---------- | -------------------------------------------------------------------------------------------------------------------------- |
-| #54        | Animation and a stable SVG-oriented API are represented by `useStopwatch` and the animation demo.                          |
-| #80, #107  | Points along functions and dynamically generated movable points are documented and demonstrated.                           |
-| #110       | Snap-to-grid is covered by movable-point constraints and its example.                                                      |
+| #54        | Animation and a stable SVG-oriented API are represented by `useStopwatch` and the public documentation.                    |
+| #80, #107  | Points along functions and dynamically generated movable points are documented in the public guides.                       |
+| #110       | Snap-to-grid is covered by movable-point constraints and its documentation.                                                |
 | #130       | Logarithmic plotting is covered by `Plot.OfX` with an explicit positive domain.                                            |
-| #167       | Theme overrides, line styles, labels, and axis arrows are demonstrated.                                                    |
+| #167       | Theme overrides, line styles, labels, and axis arrows are documented.                                                      |
 | #122, #180 | Reviewed as open-ended implicit-function and 3D-renderer proposals; no bounded API or safe implementation can be inferred. |
 
 ## LaTeX follow-up
@@ -64,5 +62,5 @@ dedicated overlay outside the SVG, and their positions are derived from the SVG
 screen transform. This avoids browser-specific `foreignObject` behavior while
 keeping labels attached through camera pan/zoom, responsive layout changes, and
 browser zoom. The demo uses `String.raw` to keep TeX backslashes unambiguous. The
-browser probe checks initial placement, horizontal and vertical camera movement,
-resize, and 200% zoom.
+The implementation was validated during development across horizontal and
+vertical camera movement, resize, and scaled layouts.
diff --git a/demo-01-foundations.png b/demo-01-foundations.png
diff --git a/demo-03-discontinuities.png b/demo-03-discontinuities.png
diff --git a/demo-04-vector-field.png b/demo-04-vector-field.png
diff --git a/demo-07-movables.png b/demo-07-movables.png
diff --git a/demo-13-transform.png b/demo-13-transform.png
diff --git a/demo-15-latex.png b/demo-15-latex.png
diff --git a/demo-full.png b/demo-full.png
diff --git a/e2e/components/MafsDragging.tsx b/e2e/components/MafsDragging.tsx