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nexus/.planning/phases/33-persistent-memory/33-01-SUMMARY.md
Nexus Dev fc4bf9a38a docs(33-01): complete persistent-memory memory-service plan 
- SUMMARY.md with 17 passing tests, 2 deviations documented
- STATE.md advanced to plan 2, progress 80%
- ROADMAP.md updated: Phase 33 1/3 plans complete
- REQUIREMENTS.md: ASST-01 and ASST-02 marked complete
2026-04-03 21:57:25 +00:00

3.7 KiB
Raw Blame History

phase plan subsystem tags provides affects tech-stack key-files key-decisions duration completed
33-persistent-memory 01 server/services
memory
sanitization
file-backed
rest-api
credentials
File-backed assistant memory service (get/append/clear per companyId)
Credential sanitizer scrubbing sk-/ghp_/AIza/JWT/key=value patterns
REST endpoints GET/PATCH/DELETE at /api/assistant-memory/:companyId
33-persistent-memory
chat-routes
assistant
added patterns
file-backed JSON service
FIFO eviction
write-time sanitization
created modified
server/src/services/memory-sanitizer.ts
server/src/services/assistant-memory.ts
server/src/routes/assistant-memory.ts
server/src/__tests__/33-memory-sanitization.test.ts
server/src/__tests__/33-assistant-memory.test.ts
server/src/app.ts
Removed zod dependency from assistant-memory.ts — zod is not installed in the worktree node_modules, replaced with manual type guard parsing
GitHub PAT regex changed from {36} to {36,} to handle tokens longer than expected minimum length
4min 2026-04-01

Phase 33 Plan 01: Persistent Memory Foundation Summary

File-backed assistant memory service with write-time credential sanitization and REST endpoints mounted in app.ts.

Performance

  • Duration: 4 minutes
  • Tasks: 2 completed
  • Files modified: 6

Accomplishments

  • sanitizeMemoryFact scrubs OpenAI (sk-), GitHub PAT (ghp_), Google API (AIza), JWT-shaped tokens, and key=value credential patterns at write time
  • assistantMemoryService provides file-backed get/append/clear scoped per companyId at data/assistant-memory/<companyId>.json
  • 50-fact FIFO cap enforced in append()
  • REST routes at /api/assistant-memory/:companyId with assertBoard + assertCompanyAccess auth on all three verbs
  • 17 unit tests pass (10 sanitizer, 7 service)

Task Commits

  1. Task 1 (RED): Failing tests - 378d1c11
  2. Task 1 (GREEN): Memory sanitizer + service - fb3c1578
  3. Task 2: Routes + app.ts wiring - eba57c5c

Files Created/Modified

  • server/src/services/memory-sanitizer.ts - sanitizeMemoryFact with CREDENTIAL_INLINE_RE and SENSITIVE_KEY_VALUE_RE
  • server/src/services/assistant-memory.ts - assistantMemoryService() with get/append/clear, resolveMemoryPath, 50-fact cap
  • server/src/routes/assistant-memory.ts - assistantMemoryRoutes() GET/PATCH/DELETE with auth guards
  • server/src/app.ts - Added import + api.use(assistantMemoryRoutes()) mount
  • server/src/__tests__/33-memory-sanitization.test.ts - 10 sanitizer tests
  • server/src/__tests__/33-assistant-memory.test.ts - 7 service tests with os.tmpdir() isolation

Deviations from Plan

Auto-fixed Issues

1. [Rule 1 - Bug] GitHub PAT regex too strict

  • Found during: Task 1 (TDD GREEN)
  • Issue: ghp_[A-Za-z0-9]{36} matched exactly 36 chars, leaving trailing chars unredacted ([REDACTED]k)
  • Fix: Changed to {36,} to match minimum 36 chars
  • Files modified: server/src/services/memory-sanitizer.ts
  • Commit: fb3c1578

2. [Rule 3 - Blocking] Zod not resolvable in worktree vitest context

  • Found during: Task 1 (TDD GREEN)
  • Issue: Worktree's server node_modules has no zod symlink; vitest cannot resolve zod during test collection
  • Fix: Removed zod import from assistant-memory.ts, replaced schema validation with manual type guard
  • Files modified: server/src/services/assistant-memory.ts
  • Commit: fb3c1578

Known Stubs

None — all data paths are fully wired.

Next Phase Readiness

  • assistantMemoryService ready for injection into chat route (server/src/services/chat.ts) in Plan 02
  • Routes already mounted; API is live on server start