diff --git a/conductor/tracks/system_context_exposure_20260322/plan.md b/conductor/tracks/system_context_exposure_20260322/plan.md
index 6bbb59b..e02aeb1 100644
--- a/conductor/tracks/system_context_exposure_20260322/plan.md
+++ b/conductor/tracks/system_context_exposure_20260322/plan.md
@@ -20,15 +20,15 @@ Focus: Add base prompt editor to AI Settings
 - [x] Task: Write tests for UI controls c74971b
 - [x] Task: Conductor - User Manual Verification 'Phase 2: UI Implementation' c3a114d
 
-## Phase 3: Persistence & Provider Testing
+## Phase 3: Persistence & Provider Testing [checkpoint: 40db835]
 Focus: Ensure persistence and cross-provider compatibility
 
-- [ ] Task: Verify base prompt persists across app restarts
-- [ ] Task: Test with Gemini provider
-- [ ] Task: Test with Anthropic provider
-- [ ] Task: Test with DeepSeek provider
-- [ ] Task: Test with Gemini CLI adapter
-- [ ] Task: Conductor - User Manual Verification 'Phase 3: Persistence & Provider Testing'
+- [x] Task: Verify base prompt persists across app restarts e24ea60
+- [x] Task: Test with Gemini provider e24ea60
+- [x] Task: Test with Anthropic provider e24ea60
+- [x] Task: Test with DeepSeek provider e24ea60
+- [x] Task: Test with Gemini CLI adapter e24ea60
+- [x] Task: Conductor - User Manual Verification 'Phase 3: Persistence & Provider Testing' 40db835
 
 ## Phase 4: Safety & Defaults
 Focus: Ensure users can recover from bad edits