# Sprint 44 Status - Gateway + Desktop Integration

**Sprint**: 44
**Start Date**: 2026-02-23
**Target End**: 2026-03-05
**Status**: ✅ COMPLETE
**Version**: 1.0.0

---

## Sprint Goal

Implement real-time sync Desktop ↔ CLI via WebSocket Gateway with JSON-RPC 2.0 protocol.

---

## Progress Tracker

### Week 1: Gateway Foundation (Day 1-5)

| Day | Task | Status | LOC | Notes |
|-----|------|--------|-----|-------|
| 1-2 | WebSocket Gateway Server + JSON-RPC Protocol | ✅ DONE | ~2,300 | 16 tests passing |
| 3 | Gateway Methods (sessions, budget, approval, checkpoints, agents) | ✅ DONE | ~660 | 27 methods + 54 tests |
| 4 | Authentication (localhost-only + token) | ✅ DONE | ~340 | Auth + RateLimiter + 28 tests |
| 5 | Event wiring + SKILL.md Audit | ✅ DONE | ~380 | Events + 15 tests + audit |

### Week 2: Desktop + Research Items (Day 6-10)

| Day | Task | Status | LOC | Notes |
|-----|------|--------|-----|-------|
| 6 | Desktop WebSocket Client | ✅ DONE | ~610 | Zustand + WS + events |
| 7 | Routing Confidence Score | ✅ DONE | ~1,240 | Confidence + HITL + 31 tests |
| 8 | IPC→Gateway wiring | ✅ DONE | ~220 | Thin adapter to GatewayServer |
| 9 | CLI `endiorbot gateway` + cleanup + SKILL trim | ✅ DONE | ~210 | gateway command + tech debt |
| 10 | G-Sprint-44, integration testing | ✅ DONE | ~15 | E2E + lint fix + gate pass |

---

## Code Artifacts

### Created (Day 1-2)

| File | LOC | Purpose |
|------|-----|---------|
| `src/gateway/server.ts` | ~300 | WebSocket server + JSON-RPC handler |
| `src/gateway/types.ts` | ~300 | Core interfaces + event types |
| `src/gateway/config.ts` | ~150 | Environment vars + validation |
| `src/gateway/protocol/schema.ts` | ~475 | JSON-RPC 2.0 types |
| `src/gateway/protocol/errors.ts` | ~180 | Standard + custom errors |
| `src/gateway/protocol/index.ts` | ~10 | Module exports |
| `src/gateway/index.ts` | ~30 | Gateway exports |
| `tests/gateway/server.test.ts` | ~450 | Server lifecycle + protocol tests |
| **Total** | **~2,300** | |

### Created (Day 3)

| File | LOC | Purpose |
|------|-----|---------|
| `src/gateway/methods/sessions.ts` | ~155 | Session management (6 methods) |
| `src/gateway/methods/budget.ts` | ~180 | Budget tracking (5 methods) |
| `src/gateway/methods/approval.ts` | ~230 | Approval queue (5 methods) |
| `src/gateway/methods/checkpoints.ts` | ~170 | Checkpoint management (6 methods) |
| `src/gateway/methods/agents.ts` | ~250 | Agent orchestration (5 methods) |
| `src/gateway/methods/index.ts` | ~115 | Method exports + registration |
| **Total** | **~660** | 27 new methods |

### Created (Day 4)

| File | LOC | Purpose |
|------|-----|---------|
| `src/gateway/auth.ts` | ~340 | Token auth + RateLimiter + localhost detection |
| `tests/gateway/auth.test.ts` | ~320 | Auth unit tests (28 tests) |
| **Total** | **~660** | Auth hardening complete |

### Created (Day 5)

| File | LOC | Purpose |
|------|-----|---------|
| `src/gateway/events.ts` | ~330 | Event wiring (budget, approval, session, agent) |
| `tests/gateway/events.test.ts` | ~380 | Event tests (15 tests) |
| `skills/coding-agent/references/process-actions.md` | ~50 | Skill detail (progressive disclosure) |
| `skills/coding-agent/references/parallel-worktrees.md` | ~55 | Skill detail (progressive disclosure) |
| **Total** | **~815** | Event wiring + skill audit |

### Created (Day 6)

| File | LOC | Purpose |
|------|-----|---------|
| `apps/desktop/src/stores/gateway.ts` | ~610 | WebSocket client + Zustand store |
| **Total** | **~610** | Desktop WebSocket integration |

**Features**:
- WebSocket connection to `ws://127.0.0.1:18790`
- Reconnect with exponential backoff (1s→30s, max 10 attempts)
- JSON-RPC 2.0 request/response handling
- Event subscription system with handlers
- Real-time state: budget, approvals, agents, notifications
- Selector hooks: `useGatewayStatus`, `useBudget`, `usePendingApprovals`

### Created (Day 7)

| File | LOC | Purpose |
|------|-----|---------|
| `src/agents/routing/confidence.ts` | ~700 | Confidence calculator + HITL |
| `tests/agents/routing/confidence.test.ts` | ~440 | 31 confidence tests |
| `src/gateway/methods/agents.ts` (updated) | +100 | Integration + notifications |
| **Total** | **~1,240** | Routing confidence + HITL + tests |

**Features**:
- `RoutingConfidenceCalculator`: Weighted score from 7 signals
- `ConfidenceBreakdown`: tierMatch, strengthMatch, featuresCoverage, etc.
- `HITLDecision`: escalation with urgency levels and timeouts
- Low confidence → gateway notification event
- Historical success rate tracking
- `shouldEscalate()` helper function

### Updated (Day 8)

| File | LOC | Purpose |
|------|-----|---------|
| `apps/desktop/electron/main/ipc-handlers.ts` | +220 | Settings + Gateway wiring |
| **Total** | **~220** | IPC→Gateway thin adapter |

**Features**:
- `registerSettingsHandlers()`: File-based settings (`~/.endiorbot/config.json`)
- `registerGatewayHandlers()`: Thin adapter to actual `GatewayServer`
- Gateway lifecycle: start/stop/restart via IPC
- Real status reporting: port, activeConnections
- Dynamic module loading (handles build order)

### Created (Day 9)

| File | LOC | Purpose |
|------|-----|---------|
| `src/cli/commands/gateway.ts` | ~200 | CLI gateway command (start/stop/status/restart) |
| `apps/desktop/src/stores/gateway.ts` (updated) | +6 | pendingRequests cleanup |
| `skills/coding-agent/SKILL.md` (trimmed) | -43 | Progressive disclosure |
| `skills/test-coverage/SKILL.md` (trimmed) | -31 | Trimmed verbose examples |
| **Total** | **~210** | CLI + cleanup + audit |

**Features**:
- `endiorbot gateway start [--port]`: Start gateway with optional port
- `endiorbot gateway stop`: Stop gateway server
- `endiorbot gateway status`: Show detailed status (uptime, connections, messages)
- `endiorbot gateway restart [--port]`: Full restart cycle
- pendingRequests cleanup on disconnect (prevents orphaned promises)
- SKILL.md files now <200 lines (progressive disclosure to references/)

---

## Tests

| File | Tests | Status |
|------|-------|--------|
| `tests/gateway/server.test.ts` | 16 | ✅ All Passing |
| `tests/gateway/auth.test.ts` | 28 | ✅ All Passing |
| `tests/gateway/events.test.ts` | 15 | ✅ All Passing |
| `tests/gateway/methods/sessions.test.ts` | 10 | ✅ All Passing |
| `tests/gateway/methods/budget.test.ts` | 9 | ✅ All Passing |
| `tests/gateway/methods/approval.test.ts` | 10 | ✅ All Passing |
| `tests/gateway/methods/checkpoints.test.ts` | 12 | ✅ All Passing |
| `tests/agents/routing/confidence.test.ts` | 31 | ✅ All Passing |
| `tests/gateway/methods/agents.test.ts` | 13 | ✅ All Passing |
| **Total Gateway + Confidence Tests** | **144** | ✅ |

---

## Dependencies

| Dependency | Version | Purpose |
|------------|---------|---------|
| `ws` | ^8.19.0 | WebSocket server |
| `@types/ws` | ^8.18.1 | TypeScript types |

---

## G-Sprint-44 Checklist

- [x] All gateway methods have tests (54 method tests)
- [x] WebSocket localhost-only security verified (auth.ts + 28 tests)
- [x] No secrets in gateway protocol messages
- [x] IPC placeholders 100% replaced
- [x] Desktop connects to real gateway (not mock)
- [x] `pnpm test` passes (2,148 tests)
- [x] TypeScript clean, lint pass
- [x] SKILL.md audit complete (<200 lines each)
- [x] Routing Confidence integrated
- [x] CLI `endiorbot gateway` command

---

## Risk Log

| Risk | Impact | Mitigation | Status |
|------|--------|------------|--------|
| Test race conditions | Medium | Fixed: message handler before connection | ✅ Resolved |

---

## Notes

### Day 1-2 Completion
- GatewayServer implements full JSON-RPC 2.0 protocol
- Built-in methods: system.ping, system.version, system.stats, subscribe, unsubscribe, auth
- Event broadcasting to subscribed clients working
- Heartbeat (ping/pong) for connection health
- Localhost-only security mode available

### CTO Review (2026-02-23)
- Sprint 44 ~60% complete (~2,300 LOC)
- ~1,400 LOC remaining to hit ~3,700 target
- Direction confirmed for Day 3 start

### Day 4 Completion (2026-02-23)
- GatewayAuthManager: HMAC token generation/validation
- RateLimiter: Per-client request throttling
- isLocalhostAddress: IPv4/IPv6 localhost detection
- Token refresh with nonce for uniqueness
- Timing attack fix: `timingSafeEqual()` for signature comparison
- 28 auth tests all passing
- Total gateway: 98 tests, ~3,960 LOC

### Day 5 Completion (2026-02-24)
- Event wiring module: `src/gateway/events.ts`
  - `recordCostWithEvents()`: Budget tracking → WebSocket push
  - `createApprovalRequestWithEvents()`: Approval → WebSocket push
  - `emitSessionStarted/Ended()`: Session lifecycle events
  - `emitAgentStatus()`: Agent status broadcasting
  - `emitGateStatus()`: SDLC gate events
  - `emitNotification()`: General notifications
- 15 event tests all passing
- SKILL.md Audit:
  - 3/5 skills pass line limit (<200)
  - 2 skills need trimming (coding-agent: 243, test-coverage: 209)
  - Created references/ folders for progressive disclosure
- Total gateway: 113 tests, ~4,775 LOC
- Full test suite: 2117 tests passing

### Day 6 Completion (2026-02-24)
- Desktop WebSocket Client: `apps/desktop/src/stores/gateway.ts`
  - WebSocket connection to `ws://127.0.0.1:18790`
  - Reconnect with exponential backoff (base 1s, max 30s, max 10 attempts)
  - JSON-RPC 2.0 protocol handling
  - Event subscription and handler system
  - Real-time state updates via Zustand
- State management:
  - `budget`: Session/daily/monthly totals
  - `pendingApprovals`: Approval queue with resolve action
  - `agentStatuses`: Agent status Map
  - `notifications`: Notification array (max 50)
- Selector hooks: `useGatewayStatus`, `useBudget`, `usePendingApprovals`, `useNotifications`, `useAgentStatus`
- Auto-connect WebSocket when gateway starts
- Graceful disconnect on gateway stop
- TypeScript clean with exactOptionalPropertyTypes
- Total Desktop: ~610 LOC

### Day 7 Completion (2026-02-24)
- Routing Confidence Calculator: `src/agents/routing/confidence.ts`
  - Weighted confidence from 7 signals (tierMatch, strengthMatch, etc.)
  - Confidence penalties (localFallback, budgetExceeded, criticalWithoutExpert)
  - `HITLDecision` with urgency levels and timeouts
  - Historical success rate tracking per model+task
  - `formatConfidence()`, `getConfidenceColor()`, `isActionable()` utilities
- Gateway Integration: `src/gateway/methods/agents.ts`
  - `RoutingDecision` now includes `escalateIfBelow`, `requiresEscalation`, `confidenceBreakdown`
  - Low confidence triggers notification broadcast
  - `shouldEscalate(decision)` helper function
- 31 confidence tests all passing
- Total Sprint 44: 144 tests, ~6,510 LOC
- Full test suite: 2148 tests passing

### Day 8 Completion (2026-02-24)
- IPC→Gateway wiring complete: `apps/desktop/electron/main/ipc-handlers.ts`
  - Settings handlers → File-based persistence (`~/.endiorbot/config.json`)
  - Gateway handlers → Thin adapter to actual `GatewayServer`
    - `gateway:start`: Creates server, registers methods, sets singleton, starts
    - `gateway:stop`: Stops server, clears singleton
    - `gateway:restart`: Full stop/start cycle
    - `gateway:status`: Real status with port and activeConnections
    - `gateway:isConnected`: Real running state
  - Loads core modules via dynamic import (handles build order)
  - Port configurable via settings (`gatewayPort`, default 18790)
- TypeScript check passes (`pnpm exec tsc --noEmit`)
- All 2,148 tests passing (`pnpm test`)
- Total IPC handlers: ~650 LOC (Day 8 additions: ~220 LOC)

### Day 9 Completion (2026-02-24)
- CLI Gateway Command: `src/cli/commands/gateway.ts`
  - `endiorbot gateway start [--port]`: Start gateway with optional port
  - `endiorbot gateway stop`: Stop gateway
  - `endiorbot gateway status`: Show status with uptime, connections, messages
  - `endiorbot gateway restart`: Full restart cycle
- pendingRequests cleanup: Added to `disconnect()` in gateway store
  - Rejects all in-flight requests with "WebSocket disconnected" error
  - Prevents orphaned promise handlers
- SKILL.md audit complete:
  - `skills/coding-agent/SKILL.md`: 243 → 200 lines (progressive disclosure)
  - `skills/test-coverage/SKILL.md`: 209 → 178 lines (trimmed examples)
- TypeScript check passes
- All 2,148 tests passing
- Total Day 9: ~210 LOC (gateway command ~200, cleanup ~10)

### Day 9 Fix (2026-02-24)
- CLI `gateway start` process lifecycle fix:
  - Server now stays alive via Promise + signal handlers
  - SIGINT/SIGTERM graceful shutdown
  - "Press Ctrl+C to stop" message
  - Process exits cleanly after shutdown

### Tech Debt (Resolved)
- ~~`apps/desktop/src/stores/gateway.ts`: `disconnect()` should cleanup `pendingRequests` Map~~ ✅ Fixed Day 9
- ~~CLI `gateway start` exits immediately~~ ✅ Fixed Day 9

### Day 10 Completion (2026-02-24)
- E2E Test Protocol executed:
  - Block 1: Gateway CLI (start/status/restart) ✅
  - Block 2: JSON-RPC methods (sessions, budget, approval, ping) ✅
  - Block 3: Reconnection behavior ✅
  - Block 4: Routing confidence with escalation ✅
- Lint fix: `events.ts` type import for `BudgetStatus`
- All 2,148 tests passing
- TypeScript clean
- SKILL.md audit: all 5 skills ≤200 lines

### G-Sprint-44 Gate Result
| Criterion | Status |
|-----------|--------|
| All gateway methods have tests | ✅ 144 tests |
| WebSocket localhost-only security | ✅ auth.ts + 28 tests |
| No secrets in protocol messages | ✅ Verified |
| IPC placeholders 100% replaced | ✅ |
| Desktop connects to real gateway | ✅ E2E verified |
| `pnpm test` passes | ✅ 2,148 tests |
| TypeScript clean, lint pass | ✅ |
| SKILL.md audit complete | ✅ 5/5 ≤200 lines |
| Routing Confidence integrated | ✅ 31 tests |
| CLI `endiorbot gateway` command | ✅ start/stop/status/restart |

**GATE STATUS: ✅ G-SPRINT-44 PASS**

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*Last Updated: 2026-02-24 (Day 10 complete - Sprint Complete)*
*Sprint 44 - Gateway + Desktop Integration*
*SDLC Framework 6.1.1*
