chore(v5): archive V5 implementation and remove runtime integration

Move V5 source, migrations, UI, scripts, and tests into documentation, then remove V5 routes, models, jobs, configuration, dependencies, and application hooks.

docs/v5/package.md

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+# Archived V5 Package Changes
+
+The previous V5 implementation used a React, Inertia, shadcn, and TypeScript
+frontend. Those dependencies were removed from the active application when the
+implementation was archived. They remain relevant only when reviewing the
+source under `docs/v5/`.
+
+## Removed Composer Package
+
+| Package | Previous constraint |
+| --- | --- |
+| `inertiajs/inertia-laravel` | `^3.3` |
+
+The package was removed from both `composer.json` and the installed packages in
+`composer.lock`.
+
+## Removed npm Runtime Packages
+
+| Package | Previous constraint |
+| --- | --- |
+| `@base-ui/react` | `^1.5.0` |
+| `@fontsource-variable/geist` | `^5.2.9` |
+| `@inertiajs/react` | `^3.3.0` |
+| `@inertiajs/vite` | `^3.3.0` |
+| `@phosphor-icons/react` | `^2.1.10` |
+| `class-variance-authority` | `^0.7.1` |
+| `clsx` | `^2.1.1` |
+| `react` | `^19.2.7` |
+| `react-dom` | `^19.2.7` |
+| `tailwind-merge` | `^3.6.0` |
+
+## Removed npm Development Packages
+
+| Package | Previous constraint |
+| --- | --- |
+| `@testing-library/react` | `^16.3.2` |
+| `@types/react` | `^19.2.17` |
+| `@types/react-dom` | `^19.2.3` |
+| `@vitejs/plugin-react` | `^6.0.5` |
+| `jsdom` | `^30.0.1` |
+| `shadcn` | `^4.11.0` |
+| `typescript` | `^6.0.3` |
+| `vitest` | `^4.1.10` |
+
+The corresponding direct dependency entries were also removed from
+`package-lock.json` and `bun.lock`.
+
+## Removed Frontend Configuration
+
+- React and Inertia plugins, aliases, and the V5 entry point in `vite.config.js`
+- `components.json`
+- `tsconfig.json`
+- `vitest.config.ts`
+- The `typecheck`, `test`, and `test:watch` npm scripts used by the V5 frontend
+
+Archived copies of the removed configuration files are available under
+`docs/v5/archive/` using their original repository paths.
+
+## Retained for V4
+
+`tw-animate-css` was introduced during the earlier V5 work but is also imported
+by the active V4 stylesheet at `resources/css/app.css`. It remains an active npm
+dependency and must not be removed as part of the V5 archive cleanup.
+
+The remaining active frontend dependencies were audited against V4 imports.
+React, Inertia, shadcn, and their supporting packages are not used by active V4
+source files.