docs: create roadmap (3 phases)

.planning/STATE.md

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+# State: Flynn Operator DX
+
+## Project Reference
+
+**Core Value:** Make Flynn easier to reason about, configure, and monitor
+**Milestone:** Operator DX
+**Phases:** 3
+
+## Current Position
+
+**Phase:** 1 — Daemon Decomposition
+**Plan:** Not yet created
+**Status:** not_started
+**Progress:** ░░░░░░░░░░ 0/3 phases
+
+## Phase Status
+
+| Phase | Status | Plans |
+|-------|--------|-------|
+| 1 — Daemon Decomposition | not_started | — |
+| 2 — Config Overlays | not_started | — |
+| 3 — Live Ops Dashboard | not_started | — |
+
+## Performance Metrics
+
+| Metric | Value |
+|--------|-------|
+| Test count | 1077 (baseline) |
+| daemon/index.ts lines | 1087 (baseline) |
+
+## Accumulated Context
+
+### Key Decisions
+- Decompose god file incrementally, not rewrite
+- Config overlays over separate files
+- Extend existing vanilla JS dashboard
+- Skip structured logging — dashboard will reveal what metrics matter
+
+### Technical Notes
+- daemon/index.ts handles: model clients, channel setup, agent factory, memory init, vector store, session pruning, lifecycle, shutdown
+- Existing routing test file exists (decomposition already partially anticipated)
+- Web dashboard is vanilla JS SPA at src/gateway/ui/
+- Config loader at src/config/loader.ts, schema at src/config/schema.ts (409 lines)
+
+### TODOs
+_(none yet)_
+
+### Blockers
+_(none)_
+
+## Session Continuity
+
+**Last session:** Initial roadmap creation
+**Next action:** Plan Phase 1 (Daemon Decomposition)
+
+---
+*State initialized: 2026-02-09*
+*Last updated: 2026-02-09*