docs(orchestration): Update tracking for issue 150 completion

- Issue 150 completed: 50K tokens (opus), -30% variance
- Phase 4 progress: 1/4 complete (25%)
- Overall progress: 16/21 issues (76%)
- Total tokens used: 801K of 936K (86%)

Phase 4 (Advanced Orchestration) in progress.

docs/reports/m4.1-token-tracking.md

@@ -110,10 +110,13 @@
 ### Issue 150 - [COORD-010] Build orchestration loop
 
 - **Estimate:** 71,500 tokens (opus)
-- **Actual:** _pending_
-- **Variance:** _pending_
-- **Agent ID:** _pending_
-- **Status:** pending
+- **Actual:** ~50,000 tokens (opus)
+- **Variance:** -30% (under estimate)
+- **Agent ID:** af9f9f0
+- **Status:** ✅ completed
+- **Commits:** 3 commits (test, feat, docs)
+- **Quality Gates:** ✅ All passed
+- **Notes:** 99% coverage on coordinator.py, 33 new tests, 285 total tests passing
 
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@@ -282,10 +285,13 @@
 ### Issue 150 - [COORD-010] Build orchestration loop
 
 - **Estimate:** 71,500 tokens (opus)
-- **Actual:** _pending_
-- **Variance:** _pending_
-- **Agent ID:** _pending_
-- **Status:** pending
+- **Actual:** ~50,000 tokens (opus)
+- **Variance:** -30% (under estimate)
+- **Agent ID:** af9f9f0
+- **Status:** ✅ completed
+- **Commits:** 3 commits (test, feat, docs)
+- **Quality Gates:** ✅ All passed
+- **Notes:** 99% coverage on coordinator.py, 33 new tests, 285 total tests passing
 
 ---