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juliaandClaude Sonnet 4.6 1070ba3ac1 docs: add sprint planning — dependency diagram + specs for all 8 stories

Analyzes all Taiga stories, maps hard/soft dependencies, and writes
full specs (Goal, Data Model, Components, Verification, Open Questions)
for every story before any implementation begins.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

2026-06-16 11:53:24 +02:00

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Spec: 01 · Bootstrap the Project

Taiga Story: #1 · 01-Bootstrap the project Status: Ready Branch: feature/01-bootstrap-the-project

1. Goal

Scaffold a working skeleton: Go/Echo REST backend (port 3000) + VueJS frontend (port 5000) backed by PostgreSQL. No business features — only a "Hello World" page proves the stack is wired end-to-end.

2. Background / Scope / Context / Constraints

Item	Value
Backend	Go · Echo framework · PostgreSQL
Migrations	golang-migrate
Frontend	VueJS · vue-router · Pinia · Vitest · Prettier · Tailwind CSS v4
Backend port	3000
Frontend port	5000
DB	PostgreSQL (local dev via Docker or native)

All subsequent stories depend on this skeleton. Keep the directory layout extensible:

backend/ — Go module, cmd, internal packages
frontend/ — Vite+Vue project
migrations/ — golang-migrate SQL files
docs/ — planning artifacts (already populated)

3. Necessary Refactorings

None — greenfield. No existing code to touch.

No tables yet. The migration runner must be present so story #02 can add the fruits table.

Migration naming convention: {version}_{description}.up.sql / .down.sql (golang-migrate standard).

Area	What to create
`/backend`	`go.mod`, `cmd/server/main.go`, Echo router, health route `GET /health` → `{"status":"ok"}`
`/backend/db`	DB connection pool (pgx or database/sql), loaded from env
`/backend/migrations`	`golang-migrate` integration; first migration file (empty, version 000001)
`/frontend`	`npm create vite@latest` with Vue + TS preset; install vue-router, pinia, vitest, prettier, tailwind v4
`/frontend/src/views/HelloWorld.vue`	Displays "Hello, OSDB!" heading
`/frontend/vite.config.ts`	`server.port: 5000`; proxy `/api` → `http://localhost:3000`
`docker-compose.yml`	PostgreSQL service (db port 5432)
`.env.example`	`DATABASE_URL`, `PORT`
`Makefile`	targets: `dev`, `migrate-up`, `migrate-down`, `test`

6. Out of Scope

Any business feature (fruit CRUD, search, auth)
Production deployment config
Docker image for backend/frontend
CI/CD pipeline

7. Verification

Check	Expected
`make migrate-up`	No error; migration version recorded in `schema_migrations`
`curl http://localhost:3000/health`	`{"status":"ok"}`
`curl http://localhost:3000/api/v1/health`	`{"status":"ok"}` (v1 prefix established)
Browser `http://localhost:5000`	Shows "Hello, OSDB!"
Frontend → backend API call via proxy	No CORS error; 200 response
`npm run test` in frontend	Vitest passes (empty test suite OK)
`go test ./...` in backend	No failures

8. Open Questions

#	Question	Impact
1	DB credentials for local dev: `.env` file or docker-compose env block?	Dev setup UX
2	Go module path: `github.com/osdb/backend` or simpler `osdb/backend`?	All imports
3	Should `migrations/` live inside `backend/` or at repo root?	golang-migrate path config
4	Tailwind v4 uses CSS imports — confirm no `tailwind.config.js` needed	Frontend build

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