conductor(plan): Mark phase 'Phase 1: Script Robustness' as complete

conductor/tracks/fix_odroid8_and_script_20260208/plan.md

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+# Plan: Fix Odroid8 and Script Robustness (`fix_odroid8_and_script`)
+
+## Phase 1: Script Robustness [x] [checkpoint: 860000b]
+- [x] Task: Update `nomad_client.py` to handle subprocess errors gracefully
+    - [x] Write tests for handling Nomad CLI absence/failure
+    - [x] Update implementation to return descriptive error objects or `None` without crashing
+- [x] Task: Update aggregator and formatter to handle Nomad errors
+    - [x] Update `cluster_aggregator.py` to gracefully skip Nomad calls if they fail
+    - [x] Update `output_formatter.py` to display "Nomad Error" in relevant cells
+    - [x] Add a global "Nomad Connectivity Warning" to the summary
+- [x] Task: Conductor - User Manual Verification 'Phase 1: Script Robustness' (Protocol in workflow.md)
+
+## Phase 2: Odroid8 Recovery [ ]
+- [ ] Task: Identify and verify `odroid8` LiteFS data path
+    - [ ] Run `nomad alloc status` to find the volume mount for `odroid8`
+    - [ ] Provide the user with the exact host path to the LiteFS data
+- [ ] Task: Guide user through manual cleanup
+    - [ ] Provide steps to stop the allocation
+    - [ ] Provide the `rm` command to clear the LiteFS metadata
+    - [ ] Provide steps to restart and verify the node
+- [ ] Task: Conductor - User Manual Verification 'Phase 2: Odroid8 Recovery' (Protocol in workflow.md)
+
+## Phase 3: Final Verification [ ]
+- [ ] Task: Final verification run of the script
+- [ ] Task: Verify cluster health in Consul and LiteFS API
+- [ ] Task: Conductor - User Manual Verification 'Phase 3: Final Verification' (Protocol in workflow.md)