William Valentin
24688d1a16
- Created 01-03-SUMMARY.md with self-check passed - Updated STATE.md: Phase 1 complete, 3/3 plans done - Updated ROADMAP.md: Phase 1 marked complete - daemon/index.ts: 1087 → 140 lines (87% reduction) - All 1077 tests pass, zero type errors
125 lines
6.1 KiB
Markdown
125 lines
6.1 KiB
Markdown
---
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phase: 01-daemon-decomposition
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plan: 03
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subsystem: infra
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tags: [daemon, refactoring, composition-root, services-extraction, typescript]
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# Dependency graph
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requires:
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- phase: 01-01
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provides: "models.ts, memory.ts, tools.ts extraction reducing daemon/index.ts to ~458 lines"
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- phase: 01-02
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provides: "routing.ts, agents.ts, channels.ts extraction reducing daemon/index.ts to ~385 lines"
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provides:
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- "src/daemon/services.ts — skills, MCP, system prompt, pairing manager, gateway server, service startup, signal handlers"
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- "src/daemon/index.ts as thin 140-line composition root — imports, wiring, lifecycle, DaemonContext"
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- "Phase 1 complete: daemon fully decomposed into 8 focused modules"
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affects: [02-config-overlays, 03-live-ops-dashboard]
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# Tech tracking
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tech-stack:
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added: []
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patterns:
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- "Callback-based late binding: getChannelAgents() callback passed to gateway for deferred token usage reporting"
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- "Type-only imports for values only used in DaemonContext type definition"
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- "Section dividers with Unicode box-drawing comments for scannable composition root"
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key-files:
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created:
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- src/daemon/services.ts
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modified:
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- src/daemon/index.ts
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key-decisions:
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- "Grouped skills, MCP, pairing, gateway, system prompt, and service startup into one services.ts rather than multiple tiny modules — related service-init code stays together"
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- "Used getChannelAgents callback for late-binding channel agents into gateway token usage reporting"
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- "Converted ModelRouter, McpManager, SkillRegistry, SkillInstaller, GatewayServer to type-only imports in index.ts"
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patterns-established:
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- "Composition root pattern: daemon/index.ts is pure wiring — import → init → connect → return"
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- "Services module groups service initialization that shares config/lifecycle dependencies"
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# Metrics
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duration: ~8min
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completed: 2026-02-10
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---
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# Phase 1 Plan 3: Daemon Composition Root Summary
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**Extracted services/skills/MCP/gateway/lifecycle into services.ts (269 lines), achieving 140-line composition root — 87% reduction from 1087-line baseline**
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## Performance
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- **Duration:** ~8 min (across two sessions)
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- **Started:** 2026-02-10T04:19:31Z
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- **Completed:** 2026-02-10T04:27:00Z
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- **Tasks:** 2
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- **Files modified:** 2 (1 created, 1 modified)
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## Accomplishments
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- Extracted 6 functions into `src/daemon/services.ts`: initSkills(), initMcp(), loadSystemPrompt(), initPairingManager(), createGateway(), startServices()
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- Reduced daemon/index.ts from 385 lines (post-Plan 02) to 140 lines — well under the 200-line target
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- daemon/index.ts is now a pure composition root: imports → init calls → wire → return DaemonContext
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- All 1077 tests pass, zero type errors, zero regressions
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- Cumulative reduction: 1087 → 140 lines (87% reduction, 947 lines extracted)
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## Task Commits
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Each task was committed atomically:
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1. **Task 1: Extract services/skills/gateway/MCP into services.ts, clean up index.ts** — `701fcfc` (refactor)
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2. **Task 2: Final validation** — No separate commit (validation-only task, all changes in Task 1)
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## Files Created/Modified
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- `src/daemon/services.ts` — Skills registry/installer, MCP server manager, system prompt assembly, pairing manager, gateway server creation, channel/gateway startup, Tailscale serve, heartbeat monitor, signal handlers (269 lines)
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- `src/daemon/index.ts` — Thin composition root with organized imports, section dividers, DaemonContext return (140 lines)
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## Decisions Made
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- Grouped all remaining service initialization (skills, MCP, pairing, gateway, system prompt, lifecycle startup) into a single `services.ts` rather than multiple tiny modules — these all share config/lifecycle dependencies and are called sequentially
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- Used `getChannelAgents()` callback pattern to handle late-binding of channel agents into gateway's token usage reporting — avoids circular dependency between channel registration and gateway creation
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- Converted `ModelRouter`, `McpManager`, `SkillRegistry`, `SkillInstaller`, `GatewayServer` to type-only imports in index.ts since they're only referenced in the DaemonContext type definition (values come from factory functions in extracted modules)
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## Deviations from Plan
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None — plan executed exactly as written. daemon/index.ts was 385 lines as expected, extraction targets matched plan analysis, final line count (140) comfortably under the 200-line target.
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## Issues Encountered
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None.
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## User Setup Required
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None — no external service configuration required.
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## Next Phase Readiness
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- **Phase 1 complete:** daemon/index.ts is a 140-line composition root
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- 8 daemon modules total: models.ts (251), memory.ts (99), tools.ts (89), routing.ts (239), agents.ts (48), channels.ts (102), services.ts (269), lifecycle.ts (34) — 1131 lines of extracted logic
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- All modules use consistent factory pattern with typed deps/result interfaces
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- Phase 2 (Config Overlays) can proceed — config loading changes are low-risk since daemon wiring is now modular
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- Phase 3 (Live Ops Dashboard) can proceed — metrics hooks can be wired into individual modules rather than the monolithic god file
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## Module Summary (Final State)
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| Module | Lines | Responsibility |
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|--------|-------|---------------|
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| index.ts | 140 | Composition root — imports, wiring, DaemonContext |
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| models.ts | 251 | Model client factory, GitHub mapping, auto-fallback, model router |
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| services.ts | 269 | Skills, MCP, system prompt, pairing, gateway, service startup |
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| routing.ts | 239 | Message router, agent cache, sandbox wiring, audio |
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| channels.ts | 102 | All channel adapter registration (8 adapters) |
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| memory.ts | 99 | Memory store, vector store, hybrid search, indexer |
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| tools.ts | 89 | Tool registry, builtin tools, web search, process/browser managers |
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| agents.ts | 48 | Agent config registry, agent router, sandbox manager |
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| lifecycle.ts | 34 | Lifecycle state management |
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| **Total** | **1271** | **Full daemon initialization** |
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---
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*Phase: 01-daemon-decomposition*
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*Completed: 2026-02-10*
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## Self-Check: PASSED
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- All 2 files verified present (services.ts, index.ts)
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- Task 1 commit verified (701fcfc)
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- Line counts match: index.ts=140, services.ts=269
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- Typecheck: clean
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- Tests: 1077/1077 passed
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