feat(auth,docs): add AGENTS guidelines, consistency kit, particle background, solid card, logo swap, header toggles, signup password rules, and phone input border fix

AGENTS.md

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+# Repository Guidelines
+
+## Project Structure & Module Organization
+- Monorepo with multiple Vite apps at the root (e.g., `kediritechnopark-app/`, `adventure-rental-app/`, `motel-app/`).
+- Each app is self‑contained: `src/` (code), `public/` (static), `index.html`, `tailwind.config.js`, `vite.config.ts|js`.
+- Inside `src/`: prefer `components/`, `pages/`, `hooks/`, `lib/`, `assets/`, `styles/`. Shared code should be copied per app unless a dedicated shared package exists.
+
+## Build, Test, and Development Commands
+Run these from the target app directory:
+- `npm install`: install dependencies.
+- `npm run dev`: start Vite dev server.
+- `npm run build`: production build.
+- `npm run preview`: preview build locally.
+- `npm run lint` / `npm run format`: lint and format (if configured).
+- `npm test`: run unit tests (Vitest) when present.
+
+## Coding Style & Naming Conventions
+- Language: TypeScript, React function components; 2‑space indent.
+- Files: components `PascalCase.tsx`, hooks `useThing.ts`, utilities `camelCase.ts`, test files `*.test.ts(x)`.
+- Styling: Tailwind CSS utilities; theme via CSS variables; avoid inline styles except for dynamic values.
+- Tools: ESLint (TypeScript/React), Prettier. Fix issues before committing.
+
+## Testing Guidelines
+- Frameworks: Vitest + @testing-library/react for unit/integration; Playwright optional for e2e.
+- Location: co‑locate as `Component.test.tsx` next to the file or under `src/__tests__/`.
+- Coverage: target ≥80% statements/branches on changed code.
+- Commands: `npm test` for watch, `npm test -- --coverage` for reports.
+
+## Commit & Pull Request Guidelines
+- Use Conventional Commits: `feat:`, `fix:`, `chore:`, `docs:`, `refactor:`, etc. Example: `feat(cards): add skeleton and a11y labels`.
+- PRs: include a clear description, linked issues (e.g., `Closes #123`), screenshots for UI changes, and test notes.
+- CI passes required: build, lint, tests. Keep PRs small and focused.
+
+## Security & Configuration Tips
+- Never commit secrets. Use per‑app `.env.local` with Vite `VITE_` prefixes (e.g., `VITE_API_URL`).
+- Update dependencies responsibly; prefer minor/patch bumps unless necessary.
+- Follow a11y best practices (labels, roles, keyboard support) and avoid introducing regressions.
+
+## Agent-Specific Instructions
+- Read `docs/AGENT_CONTEXT.md` for the full context (identity, objectives, stack, output contract).
+- Create work items using the GitHub “AI Task” issue template.
+- Ensure PRs meet the checklist in `.github/PULL_REQUEST_TEMPLATE.md`.