conductor(tracks): Mark Per-Ticket Model Override as complete

conductor/tracks.md

@@ -78,7 +78,7 @@ This file tracks all major tracks for the project. Each track has its own detail
 17. [x] **Track: Pipeline Pause/Resume**
     *Link: [./tracks/pipeline_pause_resume_20260306/](./tracks/pipeline_pause_resume_20260306/)*
 
-18. [~] **Track: Per-Ticket Model Override**
+18. [x] **Track: Per-Ticket Model Override**
     *Link: [./tracks/per_ticket_model_20260306/](./tracks/per_ticket_model_20260306/)*
 
 19. [ ] **Track: Manual UX Validation & Review**

conductor/tracks/per_ticket_model_20260306/plan.md

@@ -34,7 +34,7 @@ Focus: Add model selection to ticket display
 ## Phase 4: Execution Integration
 Focus: Use override in worker execution
 
-- [ ] Task 4.1: Check override in ConductorEngine.run()
+- [x] Task 4.1: Check override in ConductorEngine.run() (e20f8a1)
     - WHERE: `src/multi_agent_conductor.py` `run()`
     - WHAT: Use ticket.model_override if set
     - HOW:
@@ -49,5 +49,5 @@ Focus: Use override in worker execution
       ```
 
 ## Phase 5: Testing
-- [ ] Task 5.1: Write unit tests
+- [x] Task 5.1: Write unit tests
-- [ ] Task 5.2: Conductor - Phase Verification
+- [x] Task 5.2: Conductor - Phase Verification

src/multi_agent_conductor.py

@@ -228,8 +228,11 @@ class ConductorEngine:
       
       # Escalation logic based on retry_count
       models_list = ["gemini-2.5-flash-lite", "gemini-2.5-flash", "gemini-3.1-pro-preview"]
-      model_idx = min(ticket.retry_count, len(models_list) - 1)
+      if ticket.model_override:
-      model_name = models_list[model_idx]
+       model_name = ticket.model_override
+      else:
+       model_idx = min(ticket.retry_count, len(models_list) - 1)
+       model_name = models_list[model_idx]
 
       context = WorkerContext(
        ticket_id=ticket.id,