---
phase: 01-foundation
plan: 01
subsystem: auth
tags: [jwt, jose, prisma, bcrypt]

requires:
  - phase: none
    provides: greenfield project

provides:
  - User model with email/password authentication
  - JWT access/refresh token system
  - Protected API middleware

affects: [02-features, 03-dashboard]

tech-stack:
  added:
    - jose: 5.2.0
    - bcrypt: 5.1.1
    - prisma: 5.10.0
  patterns:
    - httpOnly cookies for tokens
    - refresh token rotation

key-files:
  created:
    - src/lib/auth.ts
    - src/middleware.ts
    - prisma/schema.prisma
  modified:
    - package.json

key-decisions:
  - "Used jose instead of jsonwebtoken for ESM and Edge compatibility"
  - "15-min access tokens, 7-day refresh tokens for security/UX balance"
  - "Database-stored refresh tokens enable revocation"

patterns-established:
  - "Token rotation: every refresh request issues new refresh token"
  - "Protected routes: middleware checks JWT before handler"
  - "Password hashing: bcrypt with 10 salt rounds"

duration: 28min
completed: 2025-01-15
---

# Phase 1: Foundation Summary

**JWT auth with refresh rotation using jose library, Prisma User model, and protected API middleware**

## Performance

- **Duration:** 28 min
- **Started:** 2025-01-15T14:22:10Z
- **Completed:** 2025-01-15T14:50:33Z
- **Tasks:** 5
- **Files modified:** 8

## Accomplishments
- User model with email/password auth
- Login/logout endpoints with httpOnly JWT cookies
- Protected route middleware checking token validity
- Refresh token rotation on each request

## Task Commits

Each task was committed atomically:

1. **Task 1: Create User model** - `abc123f` (feat)
2. **Task 2: Login endpoint** - `def456g` (feat)
3. **Task 3: Logout endpoint** - `hij789k` (feat)
4. **Task 4: JWT helpers** - `lmn012o` (feat)
5. **Task 5: Protected middleware** - `pqr345s` (feat)

**Plan metadata:** `tuv678w` (docs: complete plan)

## Files Created/Modified
- `prisma/schema.prisma` - User and Session models
- `src/app/api/auth/login/route.ts` - Login endpoint
- `src/app/api/auth/logout/route.ts` - Logout endpoint
- `src/middleware.ts` - Protected route checks
- `src/lib/auth.ts` - JWT helpers using jose

## Decisions Made
- Used jose instead of jsonwebtoken (ESM-native, Edge-compatible)
- 15-min access tokens with 7-day refresh tokens
- Storing refresh tokens in database for revocation capability

## Deviations from Plan

### Auto-fixed Issues

**1. [Rule 2 - Missing Critical] Added password hashing with bcrypt**
- **Found during:** Task 2 (Login endpoint implementation)
- **Issue:** Plan didn't specify password hashing - storing plaintext would be critical security flaw
- **Fix:** Added bcrypt hashing on registration, comparison on login with salt rounds 10
- **Files modified:** src/app/api/auth/login/route.ts, src/lib/auth.ts
- **Verification:** Password hash test passes, plaintext never stored
- **Committed in:** abc123f (Task 2 commit)

---

**Total deviations:** 1 auto-fixed (1 missing critical)
**Impact on plan:** Auto-fix essential for security. No scope creep.

## Issues Encountered
- jsonwebtoken CommonJS import failed in Edge runtime - switched to jose (planned library change, worked as expected)

## User Setup Required

None - no external service configuration required.

## Next Phase Readiness
- Auth foundation complete, ready for feature development
- User registration endpoint needed before public launch

---
*Phase: 01-foundation*
*Completed: 2025-01-15*