stack/docs/scratchpads/mvp-20260312.md

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 0–7), 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, P1-002–P1-006, 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.

Session 11 — Phase 5 completion

Session	Date	Milestone	Tasks Done	Outcome
11	2026-03-14	Phase 5	P5-005	Wired Telegram plugin into gateway (was stubbed). Updated .env.example with all P5 env vars. PR #99 merged, issue #45 closed. Phase 5 complete.

Findings during verification:

• Telegram plugin was built but not wired into gateway (stub warning in plugin.module.ts)
• Discord plugin was fully wired
• SSO/Authentik OIDC adapter was fully wired
• All three quality gates passing

Session 11 (continued) — Phase 6 completion

Session	Date	Milestone	Tasks Done	Outcome
11	2026-03-14	Phase 6	P6-002, P6-003, P6-004, P6-001, P6-006	Full CLI & Tools migration. PRs #100-#104 merged. Also fixed 2 gateway startup bugs (PR #102). Phase 6 complete.

Phase 6 details:

• P6-002: @mosaic/prdy migrated from v0 (~400 LOC). PR #101.
• P6-003: @mosaic/quality-rails migrated from v0 (~500 LOC). PR #100.
• P6-004: @mosaic/mosaic wizard migrated from v0 (2272 LOC, 28 files). PR #103.
• P6-001: CLI subcommands wired — tui, prdy, quality-rails, wizard all working. PR #104.
• BUG-1: PLUGIN_REGISTRY circular import fixed via plugin.tokens.ts. PR #102.
• BUG-2: AuthStorage.create() → .inMemory() to prevent silent exit. PR #102.

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.