docs(concepts): migrate project docs into 7 concepts + code-grounded audit

Migrate .project/{knowledge,decisions,briefs} and the always-loaded
AGENTS.md/CLAUDE.md into the in-repo `concept` system (hook-delivered,
typed leaves). Then audit the actual code to verify the migrated doctrine
and capture knowledge that lived only in the source.

Concepts (53 leaves):
- functional-domain — produit : point de rencontre greffé, acteurs, déduplication
- app-architecture — modules, invariant d'imports, routing, écrans, styling-system,
  screen-pattern, cookbook d'ajout d'écran
- tech-stack — Bun-first, APIs, build pipeline, deployment (Dockerfile), commandes
- data-layer — NextGraph mono-store, shapes, modes, règles + caveats (suppression,
  champs non persistés, internals du contexte)
- bdd-testing — Cucumber multi-couches, contrat de couches, harness, cookbook
- app-security — posture actuelle (mono-store, confiance broker), auth wallet,
  brief matrice d'autorisations cible
- nextgraph-platform — NextGraph système externe + briefs (multi-store, shim, fork)

Audit corrections:
- décision SPARQL-delete annulée (superseded) → caveat (le code utilise ngSet.delete,
  persistance possiblement partielle)
- divergences relevées : routing path-based (pas hash), thème moderne sous components/sketchy,
  ConnectScreen hors registre, build:orm au chemin périmé, champs d'event perdus en connecté

Strip migrated sources; AGENTS.md/CLAUDE.md réduits au cœur (but, invariants,
carte des concepts) + pointeurs.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
Sylvain Duchesne
2026-06-15 14:58:44 +02:00
parent 445a448031
commit 0294e3992f
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# Festipod Project
Mobile-first web app for discovering and sharing festival/event recommendations through trusted networks. Uses a sketchy hand-drawn UI style.
Le cœur toujours-chargé (but produit, invariants, conventions Bun-first, carte des concepts) vit dans `@AGENTS.md` ci-dessus. Toute la doctrine détaillée est dans `.project/concepts/` et **livrée automatiquement par le hook concept** quand tu touches le territoire concerné — ne la recopie pas ici.
## Architecture
Feature-based architecture: code is organized by business domain (module), not by technical layer. A module can only import from `shared/` — never from another module.
Multi-layer BDD: each module has `steps/ui/`, `steps/data/`, `steps/e2e/` directories. Shared step definitions live in `src/shared/steps/`.
## Project Structure
```
src/
modules/ # Business domain modules
event/ # Events (create, discover, detail, update, invite, participants, meeting points)
screens/ # EventsScreen, EventDetailScreen, CreateEventScreen, etc.
features/ # Gherkin .feature files for this domain
steps/ # BDD step definitions
ui/ # UI-layer steps
data/ # Data-layer steps
e2e/ # E2E steps
user/ # User profiles, friends, sharing
screens/ # ProfileScreen, FriendsListScreen, ShareProfileScreen, etc.
features/
steps/
home/ # Home dashboard, settings
screens/ # HomeScreen, SettingsScreen
auth/ # Authentication, onboarding
screens/ # LoginScreen, WelcomeScreen
workshop/ # Workshop/atelier specs (no screens yet)
features/
steps/
meeting/ # Meeting point specs
features/
steps/
notification/ # Notification specs
features/
steps/
shared/ # Shared code (importable by all modules)
components/
sketchy/ # Hand-drawn UI components (Button, Card, Avatar, etc.)
ui/ # Shadcn/Radix components
context/ # ThemeContext, NextGraphContext, FestipodDataContext
data/ # User stories, features.ts (auto-generated), testResults.ts
hooks/ # Custom hooks (useShapeWithDefaults)
shapes/ # SHEX shapes + ORM bindings (NextGraph)
utils/ # ngSession, ngBootstrap
steps/ # Shared BDD step definitions (cross-domain)
ui/ # navigation.steps.ts, form.steps.ts, screen.steps.ts
data/
support/ # Cucumber hooks.ts, world.ts
types/ # TypeScript type definitions
lib/ # Utility functions (cn, etc.)
app/ # App shell
App.tsx # Root component with providers + route switch
router.tsx # Path-based routing (History API)
frontend.tsx # React entry point
screens/
index.ts # Screen registry (used by Storybook)
scripts/ # Build scripts for parsing features
docs/ # Documentation
.storybook/ # Storybook configuration
```
## Key Commands
```bash
bun run dev # Start dev server with HMR
bun run storybook # Browse screens and components in Storybook
bun run test:cucumber # Run Cucumber tests
bun run features:parse # Regenerate features.ts from .feature files
bun run steps:extract # Extract step definitions for tooltips
```
## Routing
Path-based routing via `src/app/router.tsx`. Screens use `useNavigate()` and `useParams()` hooks. See AGENTS.md for the full route table.
## Conventions
- Gherkin specs are in French (Etant donne, Quand, Alors)
- UI labels are in French
- User stories are prefixed US-1 to US-26
- Screens use the sketchy component library, not Tailwind
- Max app width: 768px (tablet portrait)
---
Default to using Bun instead of Node.js.
- Use `bun <file>` instead of `node <file>` or `ts-node <file>`
- Use `bun test` instead of `jest` or `vitest`
- Use `bun build <file.html|file.ts|file.css>` instead of `webpack` or `esbuild`
- Use `bun install` instead of `npm install` or `yarn install` or `pnpm install`
- Use `bun run <script>` instead of `npm run <script>` or `yarn run <script>` or `pnpm run <script>`
- Use `bunx <package> <command>` instead of `npx <package> <command>`
- Bun automatically loads .env, so don't use dotenv.
## APIs
- `Bun.serve()` supports WebSockets, HTTPS, and routes. Don't use `express`.
- `bun:sqlite` for SQLite. Don't use `better-sqlite3`.
- `Bun.redis` for Redis. Don't use `ioredis`.
- `Bun.sql` for Postgres. Don't use `pg` or `postgres.js`.
- `WebSocket` is built-in. Don't use `ws`.
- Prefer `Bun.file` over `node:fs`'s readFile/writeFile
- Bun.$`ls` instead of execa.
## Testing
Use `bun test` to run tests.
```ts#index.test.ts
import { test, expect } from "bun:test";
test("hello world", () => {
expect(1).toBe(1);
});
```
## Frontend
Use HTML imports with `Bun.serve()`. Don't use `vite`. HTML imports fully support React, CSS, Tailwind.
Server:
```ts#index.ts
import index from "./index.html"
Bun.serve({
routes: {
"/": index,
"/api/users/:id": {
GET: (req) => {
return new Response(JSON.stringify({ id: req.params.id }));
},
},
},
// optional websocket support
websocket: {
open: (ws) => {
ws.send("Hello, world!");
},
message: (ws, message) => {
ws.send(message);
},
close: (ws) => {
// handle close
}
},
development: {
hmr: true,
console: true,
}
})
```
HTML files can import .tsx, .jsx or .js files directly and Bun's bundler will transpile & bundle automatically. `<link>` tags can point to stylesheets and Bun's CSS bundler will bundle.
```html#index.html
<html>
<body>
<h1>Hello, world!</h1>
<script type="module" src="./frontend.tsx"></script>
</body>
</html>
```
With the following `frontend.tsx`:
```tsx#frontend.tsx
import React from "react";
import { createRoot } from "react-dom/client";
// import .css files directly and it works
import './index.css';
const root = createRoot(document.body);
export default function Frontend() {
return <h1>Hello, world!</h1>;
}
root.render(<Frontend />);
```
Then, run index.ts
```sh
bun --hot ./index.ts
```
For more information, read the Bun API docs in `node_modules/bun-types/docs/**.mdx`.
- Specs Gherkin et libellés UI en **français** (`Etant donné`, `Quand`, `Alors`).
- Conventions techniques (Bun, APIs, build) : concept `tech-stack`. Architecture et écrans : concept `app-architecture`.
- Documenter un fait projet : `/concept document <sujet>`.