feat(campaigns): timeline endpoint, admin-only manual activation, remove lead-set dates

backend/app/services/campaign_service.py

@@ -8,7 +8,6 @@ threat actors, and progress calculation.
 import logging
 import uuid
 from datetime import datetime
-from typing import Optional
 
 # Import Session from sqlalchemy.orm
 from sqlalchemy.orm import Session
@@ -179,8 +178,6 @@ def generate_campaign_from_threat_actor(
     actor_id: uuid.UUID,
     # Entry: user
     user: User,
-    *,
-    start_date: Optional[datetime] = None,
 ) -> Campaign:
     """Auto-generate a campaign from a threat actor's uncovered techniques.
 
@@ -238,7 +235,6 @@ def generate_campaign_from_threat_actor(
         created_by=user.id,
         # Keyword argument: tags
         tags=[actor.name, "auto-generated"],
-        start_date=start_date,
     )
     # Stage new record(s) for database insertion
     db.add(campaign)