feat(personas): Implement Preferred Model Sets and Linked Tool Preset resolution

src/multi_agent_conductor.py

@@ -288,6 +288,21 @@ class ConductorEngine:
       if ticket.model_override:
        model_name = ticket.model_override
       else:
+       # Check if ticket has a persona with preferred_models
+       models_list = ["gemini-2.5-flash-lite", "gemini-2.5-flash", "gemini-3.1-pro-preview"]
+       if ticket.persona_id:
+        # Try to load preferred_models from persona
+        try:
+         from src.personas import PersonaManager
+         from src import paths
+         pm = PersonaManager(Path(paths.get_project_personas_path(Path.cwd())) if paths.get_project_personas_path(Path.cwd()).exists() else None)
+         personas = pm.load_all()
+         if ticket.persona_id in personas:
+          persona = personas[ticket.persona_id]
+          if persona.preferred_models:
+           models_list = persona.preferred_models
+        except:
+         pass # Fall back to default list
        model_idx = min(ticket.retry_count, len(models_list) - 1)
        model_name = models_list[model_idx]
 
@@ -409,9 +424,10 @@ def run_worker_lifecycle(ticket: Ticket, context: WorkerContext, context_files:
  # Enforce Context Amnesia: each ticket starts with a clean slate.
  ai_client.reset_session()
  ai_client.set_provider(ai_client.get_provider(), context.model_name)
- ai_client.set_tool_preset(context.tool_preset)
 
  # Apply Persona if specified
+ preferred_models = []
+ persona_tool_preset = None
  if context.persona_id:
   from src.personas import PersonaManager
   from src import paths
@@ -424,9 +440,17 @@ def run_worker_lifecycle(ticket: Ticket, context: WorkerContext, context_files:
      ai_client.set_custom_system_prompt(persona.system_prompt)
     if persona.bias_profile:
      ai_client.set_bias_profile(persona.bias_profile)
+    if persona.preferred_models:
+     preferred_models = persona.preferred_models
+    if persona.tool_preset:
+     persona_tool_preset = persona.tool_preset
   except Exception as e:
    print(f"[WARN] Failed to load persona {context.persona_id}: {e}")
 
+ # Apply tool preset: use persona's tool_preset if available, otherwise fall back to context.tool_preset
+ effective_tool_preset = persona_tool_preset or context.tool_preset
+ ai_client.set_tool_preset(effective_tool_preset)
+
  # Check for abort BEFORE any major work
  if engine and hasattr(engine, "_abort_events"):
   abort_event = engine._abort_events.get(ticket.id)