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stack/docs/scratchpads/mvp-20260312.md
2026-03-13 13:56:50 +00:00

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# Mission Scratchpad — MVP
> Append-only log. NEVER delete entries. NEVER overwrite sections.
> This is the orchestrator's working memory across sessions.
## Original Mission Prompt
```
Active mission detected: MVP. Read the mission state files and report status.
User confirmed: start the planning gate.
```
## Planning Decisions
### 2026-03-13 — Milestone and task breakdown
- PRD defines 8 phases (Phase 07), mapped 1:1 to Gitea milestones
- 59 issues created on git.mosaicstack.dev/mosaic/mosaic-stack (#1#59)
- Each phase has a verification task as the final issue
- Task IDs use P{phase}-{seq} format (P0-001 through P7-008)
- Repo created as `mosaic/mosaic-stack` (private) on Gitea
- Milestones: ms-157 (Phase 0) through ms-164 (Phase 7)
- Total: 59 tasks across 8 milestones
### Phase structure
| Phase | Version | Tasks | Focus |
| ----- | ------- | ----- | ---------------------------------------------------------- |
| 0 | v0.0.1 | 9 | Foundation — monorepo, types, db, auth, OTEL, Docker, CI |
| 1 | v0.0.2 | 9 | Core API — gateway, brain, queue, routes, WebSocket |
| 2 | v0.0.3 | 7 | Agent Layer — Pi SDK, multi-provider, routing, coord |
| 3 | v0.0.4 | 8 | Web Dashboard — Next.js, chat, tasks, projects, admin |
| 4 | v0.0.5 | 7 | Memory & Intelligence — memory, log, summarization, skills |
| 5 | v0.0.6 | 5 | Remote Control — Discord, Telegram, SSO |
| 6 | v0.0.7 | 6 | CLI & Tools — CLI, prdy, quality-rails, installer, TUI |
| 7 | v0.1.0 | 8 | Polish & Beta — MCP, providers, E2E, docs, release |
## Session Log
| Session | Date | Milestone | Tasks Done | Outcome |
| ------- | ---------- | -------------- | ---------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| 1 | 2026-03-13 | Planning | Planning gate | Milestones created, 59 issues created, TASKS.md populated, manifest updated |
| 2 | 2026-03-13 | Vertical slice | P1-001, P1-007, P1-008, P2-001, P5-002, P6-005 | Communication spine built and merged (PR #61). Gateway + TUI + Discord. 3-agent gatekeeper review, 10/16 issues remediated, 4 deferred. |
| 3 | 2026-03-13 | Foundation | P0-002, P0-005, P0-006 | Foundation layer merged (PR #65). Docker Compose (PG+pgvector, Valkey, OTEL Collector, Jaeger), OTEL auto-instrumentation in gateway, @mosaic/types with DTOs + Socket.IO typed event maps. |
### Session 4 — Docker Compose fix
| Session | Date | Milestone | Tasks Done | Outcome |
| ------- | ---------- | ---------- | ---------- | ---------------------------------------------------------------------------------------------------------------- |
| 4 | 2026-03-12 | Foundation | (fix) | Fixed Jaeger tag (2→2.6.0), remapped PG/Valkey ports (5433/6380) to avoid host conflicts. PR #66 merged to main. |
**Verification evidence:**
- All 4 containers healthy (PG, Valkey, OTEL Collector, Jaeger)
- OTEL pipeline proven: `mosaic-gateway` service visible in Jaeger UI
- Gateway traces flow through Collector → Jaeger
### Session 5 — Phase 0-1 completion
| Session | Date | Milestone | Tasks Done | Outcome |
| ------- | ---------- | ---------------- | ------------------------------------------------------------- | --------------------------------------------------------------------------------------------- |
| 5 | 2026-03-12 | Phase 0, Phase 1 | P0-003, P0-004, P0-007, P0-008, P0-009, P1-002P1-006, P1-009 | Foundation + Core API complete. DB, auth, CI, brain, queue, CRUD routes all merged and green. |
### Session 6 — Phase 2 agent layer
| Session | Date | Milestone | Tasks Done | Outcome |
| ------- | ---------- | --------- | ---------------------------------------------- | ----------------------------------------------------------------------------------------------------------- |
| 6 | 2026-03-12 | Phase 2 | P2-002, P2-003, P2-004, P2-005, P2-006, FIX-01 | Multi-provider routing, tool registration, coord migration, session management, dispose() fix. PRs #74#78. |
### Session 7-8 — Phase 2 verification + completion
| Session | Date | Milestone | Tasks Done | Outcome |
| ------- | ---------- | --------- | ---------- | ----------------------------------------------------------------------------------- |
| 7-8 | 2026-03-12 | Phase 2 | P2-007 | 19 unit tests (routing + coord). PR #79 merged, issue #25 closed. Phase 2 complete. |
## Open Questions
(none at this time)
## Corrections
### 2026-03-13 — Vertical slice reorder (Jason directed)
**Original plan:** Linear Phase 0 → 1 → 2 → ... execution.
**Correction:** Vertical slice first. Scaffold monorepo, then build the Pi TUI → Gateway → Discord communication spine end-to-end before backfilling auth, brain, memory, CRUD, etc.
**Why:** Validate the architecture's core message flow before investing in horizontal layers. If the communication channels don't work, nothing else matters.
**Revised execution sequence:**
| Step | Tasks (cross-phase) | What it proves |
| ---- | -------------------------------------------------------------------- | ------------------------ |
| 1 | P0-001: Scaffold monorepo | Build system works |
| 2 | P0-005: Docker Compose (PG + Valkey) | Infrastructure runs |
| 3 | P0-002: @mosaic/types (minimal — gateway, agent, chat types) | Shared contracts |
| 4 | P1-001: Gateway scaffold (minimal NestJS + Fastify) | API surface boots |
| 5 | P1-007: WebSocket server (chat streaming) | Real-time channel works |
| 6 | P1-008: Basic agent dispatch (single provider) | LLM responds |
| 7 | P2-001: @mosaic/agent — Pi SDK integration (minimal) | Pi sessions work |
| 8 | P6-005: Pi TUI integration (mosaic tui → gateway) | TUI ↔ Gateway proven |
| 9 | P5-001: Plugin host (channel plugin interface) | Plugin arch works |
| 10 | P5-002: Discord plugin (bot + channel) | Discord ↔ Gateway proven |
| — | Then backfill: auth, brain, db, queue, OTEL, CI, web dashboard, etc. |
### Session 9 — Phase 3 Web Dashboard (P3-001 through P3-007)
| Session | Date | Milestone | Tasks Done | Outcome |
| ------- | ---------- | --------- | --------------------- | --------------------------------------------------------------------------------------------------------------------------------- |
| 9 | 2026-03-12 | Phase 3 | P3-001 through P3-007 | Full web dashboard: Next.js 16 scaffold, auth pages, chat UI, tasks (list+kanban), projects, settings, admin. PRs #82-#89 merged. |
### Session 10 — Phase 3 verification (P3-008)
| Session | Date | Milestone | Tasks Done | Outcome |
| ------- | ---------- | --------- | ---------- | -------------------------------------------------------------------------------------------------------------------------- |
| 10 | 2026-03-13 | Phase 3 | P3-008 | Phase 3 verification: typecheck 18/18, lint 18/18, format clean, build green (10 routes), 10 tests pass. Phase 3 complete. |
### Session 10 (continued) — Phase 4 Memory & Intelligence
| Session | Date | Milestone | Tasks Done | Outcome |
| ------- | ---------- | --------- | --------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| 10 | 2026-03-13 | Phase 4 | P4-001 through P4-007 | Full memory + log system: DB schema (preferences, insights w/ pgvector, agent_logs, skills, summarization_jobs), @mosaic/memory + @mosaic/log packages, embedding service, summarization pipeline w/ cron, memory tools in agent sessions, skill management CRUD. All gates green. |