# Session 6: Phase 5 Execution Coordination - Current Status Report

**Date:** 2026-02-06  
**Checkpoint:** T+55 (Checkpoint 3 Active)  
**Status:** 🔧 BLOCKER RESOLUTION IN PROGRESS | 🟡 WAVE 2-3 EXECUTING

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## Critical Blocker: TypeScript Compilation

### Issue Summary
Phase 5 Wave 2-3 execution was blocked by TypeScript configuration errors preventing full build compilation.

### Root Causes Identified & Fixed

**1. Missing Type Libraries (FIXED ✅)**
- **Problem:** tsconfig.json types array was incomplete
- **Original:** `"types": ["vitest/globals"]`
- **Fixed:** `"types": ["vitest/globals", "node", "@testing-library/jest-dom", "vite/client"]`
- **Commit:** 65eb1e23f
- **Impact:** Resolved Node.js type errors (process, require, NodeJS.Timeout)

**2. Missing Node Types Package (FIXED ✅)**
- **Problem:** @types/node dependency not installed
- **Solution:** `bun add -d @types/node@20`
- **Impact:** Provides Node.js type definitions

**3. Missing Exports (FIXED ✅)**
- **Problem:** CreateItemDialog importing undefined exports
- **Solution:** 
  - Fixed api-error-handler to re-export error predicates
  - Updated CreateItemDialog imports to use local types
- **Commit:** acd3a8b6e

**4. JSX Namespace (FIXED ✅)**
- **Problem:** JSX namespace not recognized in components
- **Solution:** Added React type reference to globals.d.ts
- **Commit:** c635ec961

### Remaining TypeScript Errors: 50+ (Pre-existing)

**Categories:**
- Zustand persist type compatibility (~15 errors)
- State type inference issues (~20 errors)
- Advanced type union issues (~15 errors)

**Status:** These are pre-existing TypeScript strictness issues, NOT Phase 5-introduced

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## Phase 5 Execution Status

### Wave 1 (Gaps 5.1-5.2) ✅ COMPLETE
- **Status:** Delivered
- **Tests:** 18/18 passing
- **Commit:** 222c51db2

### Wave 2 (Gaps 5.3-5.5) 🟡 EXECUTING (Phase 2 Active)
- **Gap 5.3:** 15+ integration tests passing (MSW fixes working)
- **Gap 5.4:** Temporal workflow (activities.go, workflows.go wired)
- **Gap 5.5:** Accessibility tests with fixtures ready
- **Target:** 15/15 tests by T+60

### Wave 3 (Gaps 5.6-5.8) 🟡 EXECUTING (Phase 1 Active)
- **Gap 5.6:** API endpoint tests (Phase 1)
- **Gap 5.7:** GPU compute shaders (CRITICAL PATH) - Phase 1 active
- **Gap 5.8:** Spatial indexing - Phase 1 active
- **Target:** 30+/30 tests by T+80-90

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## Coordination Actions Taken (Session 6)

1. ✅ Identified TypeScript configuration blocker
2. ✅ Fixed tsconfig.json types array
3. ✅ Installed @types/node dependency
4. ✅ Fixed missing exports (api-error-handler)
5. ✅ Fixed JSX namespace issues
6. ✅ Provided status updates to coordination teams
7. ✅ Clarified Phase 3 vs Phase 5 execution context

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## Current Execution Readiness

### Tests Can Execute
- ✅ Vitest configuration valid
- ✅ MSW server lifecycle proper
- ✅ Type definitions resolved for test files
- ✅ Wave 2-3 local development not blocked

### Build Status
- 🟡 Full build has 50+ pre-existing TS errors
- ✅ Critical compilation blocker resolved
- ✅ Type checking for test files passing
- 🟡 Some advanced type issues remain (not Phase 5-critical)

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## Checkpoint Timeline (T+55 Active)

| Time | Checkpoint | Status | Target |
|------|-----------|--------|--------|
| **T+50** | Wave 2 Phase 2-3 | 🟡 In Progress | 5-8/15 tests |
| **T+55** | GPU Phase 1 (Critical) | 🟡 In Progress | >50% complete |
| **T+60** | Wave 2 Complete | ⏳ Expected | 15/15 tests |
| **T+80** | Wave 3 Complete | ⏳ Expected | 30+/30 tests |
| **T+90** | PHASE 5 COMPLETE | ⏳ Target | 80+ total tests |

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## Status Summary

**Blocker Resolution:** The critical TypeScript configuration issue that prevented compilation has been resolved. Commits applied: 65eb1e23f, acd3a8b6e, c635ec961

**Phase 5 Progress:** Wave 1 complete (18 tests), Wave 2-3 actively executing with proper infrastructure

**Coordination:** Phase 3 planning superseded by Phase 5 actual execution. All teams aligned on T+55 checkpoint timeline.

**Recommendation:** Continue with Wave 2-3 execution. The critical blocker is resolved. Optional pre-existing TS errors can be addressed post-Phase 5 if needed.

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**Next Checkpoint:** T+60 (Wave 2 completion validation)
