Create FEATURES.md

Author: Chintan Patel

FEATURES.md

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+# ArrowCode — features & roadmap
+
+## Shipped in v1.0.0 (first public release)
+
+### Harness
+- [x] Plan → questions → `/confirm` → execute → `/accept`
+- [x] Continuous execute cycles + re-tasking
+- [x] Human accept / reject / stop
+- [x] Goal + checklist + 12 templates
+- [x] Context trim + summarize
+- [x] **Session management** (workspace `.arrowcode-sessions/`)
+- [x] Session durable memory injected each turn
+- [x] Metrics + timeline + `/replay`
+- [x] File tracker + diff panel
+- [x] `ARROW.md` project brain
+
+### Security
+- [x] Workspace path sandbox
+- [x] Sensitive path deny
+- [x] Secret scan on writes
+- [x] Bash allowlist
+- [x] Dry-run mode
+- [x] Token budget soft-stop
+- [x] Checkpoints + `/undo`
+
+### Multi-agent + swarm
+- [x] ORCH · FE · BE · QA
+- [x] Bus + spawn_worker (depth 2, max 16)
+- [x] Live swarm map
+- [x] Per-agent API/model
+
+### TUI dashboard
+- [x] 2×2 agents · plan · swarm · files · diff · bus · timeline
+
+### Packaging
+- [x] Flat GitHub template layout
+- [x] `defaults/` in repo; `~/.arrowcode` only if you install
+- [x] install.sh / install.ps1
+
+---
+
+## Suggested next features
+
+```mermaid
+quadrantChart
+  title Impact vs effort
+  x-axis Low effort --> High effort
+  y-axis Low impact --> High impact
+  quadrant-1 Do next
+  quadrant-2 Plan
+  quadrant-3 Skip
+  quadrant-4 Later
+  Undo polish: [0.3, 0.7]
+  Worker detail pane: [0.45, 0.75]
+  MCP tools: [0.8, 0.8]
+  Editor bridge: [0.7, 0.65]
+  Contract board: [0.55, 0.7]
+  Cost hard stop: [0.4, 0.6]
+```
+
+### P0
+1. Worker detail pane (focus swarm node → its log)  
+2. Richer unified diff hunks  
+3. `/undo` multi-step stack UI in dashboard  
+
+### P1
+4. FE/BE **contract board** panel  
+5. Path allow/deny custom globs in settings  
+6. Session picker overlay (not only slash commands)  
+
+### P2
+7. MCP tool bridge  
+8. VS Code/Zed diff open  
+9. Hard cost/token stop with user confirm to continue  
+
+### P3
+10. Plugin skills marketplace format  
+11. Cloud headless workers  
+12. Theme pack  
+
+---
+
+## Docs with diagrams
+
+- [ARCHITECTURE.md](docs/ARCHITECTURE.md)  
+- [SESSIONS.md](docs/SESSIONS.md)  
+- [SECURITY.md](docs/SECURITY.md)  
+- [TOOLS.md](docs/TOOLS.md)  
+- [INSTALL.md](docs/INSTALL.md)  
+
+
+
+- [x] `src/perf/` — caches, timers, parallel tools, fast context, debounce
+- [x] Parallel read-only tool batches (up to 8)
+- [x] Pure-trim context path (skip summarize when possible)
+- [x] Personality + system prompt + file content caches
+- [x] Session disk save coalescing (250ms)
+- [x] Faster idle detection (120ms poll / 400ms settle)
+- [x] `/perf` and `/perf reset`
+