trips) adding transportation, checklist, and experience planning

AGENTS.md

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+# Repository Guidelines
+
+## Project Structure & Module Organization
+- `src/`: SvelteKit application source.
+- `src/routes/`: File-based routes and server handlers (e.g., `+page.server.ts`).
+- `src/lib/`: Shared UI and server modules (`components/`, `server/`, `assets/`).
+- `src/tests/`: Test helpers and stubs; unit tests live alongside code and match `src/**/*.test.ts`.
+- `static/`: Public assets served as-is.
+- `build/`: Production build output (generated).
+- `trips.db`: Local SQLite database for development.
+
+## Build, Test, and Development Commands
+- `npm run dev`: Start the Vite dev server.
+- `npm run build`: Create a production build.
+- `npm run preview`: Serve the production build locally.
+- `npm run check`: Typecheck with `svelte-check`.
+- `npm run lint`: Run ESLint on `src`.
+- `npm run format`: Format with Prettier (Svelte + Tailwind plugins).
+- `npm run test`: Run Vitest once.
+- `npm run test:watch`: Watch mode for Vitest.
+- `npm run test:coverage`: Coverage for `src/lib/server/**/*.ts` (db layer excluded).
+
+## Coding Style & Naming Conventions
+- Indentation: tabs (see `.prettierrc`).
+- Quotes: single quotes; trailing commas disabled.
+- Svelte components use `.svelte`; TypeScript modules use `.ts`.
+- Routes follow SvelteKit conventions (e.g., `+page.svelte`, `+layout.server.ts`).
+- Use `$lib` alias for `src/lib` imports.
+
+## Testing Guidelines
+- Framework: Vitest with `node` environment.
+- Test file pattern: `src/**/*.test.ts`.
+- Keep tests near the code they cover; use `src/tests/stubs` for runtime stubbing.
+
+## Commit & Pull Request Guidelines
+- Commit messages currently follow a light “scope) message” pattern, e.g.,
+  - `trips) adding package-tours option`
+  - `trip) adding support for lodgings`
+- PRs should include a clear description of intent, testing performed (or why not), and any relevant screenshots for UI changes.
+
+## Configuration & Environment
+- Copy `.env.example` to `.env` for local secrets and auth settings.
+- SQLite data lives in `trips.db`; avoid committing local data changes unless intentional.