diff --git a/conductor/tracks/cluster_status_python_20260208/plan.md b/conductor/tracks/cluster_status_python_20260208/plan.md
index f7384a4..74f5240 100644
--- a/conductor/tracks/cluster_status_python_20260208/plan.md
+++ b/conductor/tracks/cluster_status_python_20260208/plan.md
@@ -14,14 +14,14 @@
     - [x] Implement logic to query `:20202/status` for each discovered node
 - [x] Task: Conductor - User Manual Verification 'Phase 2: Core Data Fetching' (Protocol in workflow.md)
 
-## Phase 3: Data Processing and Formatting [ ]
-- [ ] Task: Implement data aggregation logic
-    - [ ] Write tests for aggregating Consul and LiteFS data into a single cluster state object
-    - [ ] Implement logic to calculate overall cluster health and role assignment
-- [ ] Task: Implement CLI output formatting (Table and Color)
-    - [ ] Write tests for table formatting and color-coding logic
-    - [ ] Implement `tabulate` based output with a health summary
-- [ ] Task: Conductor - User Manual Verification 'Phase 3: Data Processing and Formatting' (Protocol in workflow.md)
+## Phase 3: Data Processing and Formatting [x] [checkpoint: 20d99be]
+- [x] Task: Implement data aggregation logic
+    - [x] Write tests for aggregating Consul and LiteFS data into a single cluster state object
+    - [x] Implement logic to calculate overall cluster health and role assignment
+- [x] Task: Implement CLI output formatting (Table and Color)
+    - [x] Write tests for table formatting and color-coding logic
+    - [x] Implement `tabulate` based output with a health summary
+- [x] Task: Conductor - User Manual Verification 'Phase 3: Data Processing and Formatting' (Protocol in workflow.md)
 
 ## Phase 4: CLI Interface and Final Polishing [ ]
 - [ ] Task: Implement command-line arguments (argparse)