fix: lint - 114 errors fixed (unused imports, indentation, blank lines)

src/cli/blackboard.py

@@ -10,7 +10,7 @@ from typing import List, Optional
 
 from src.blackboard.operations import Blackboard
 from src.utils import get_data_root
-from src.blackboard.models import Task, Comment, Output, Decision, Observation, Review, Experience
+from src.blackboard.models import Task, Review
 from src.blackboard.queries import Queries
 from src.blackboard.registry import ProjectRegistry
 
@@ -262,7 +262,7 @@ def build_admin_parser() -> argparse.ArgumentParser:
     p_pc.add_argument("--description", default="")
 
     # project list
-    p_pl = sub.add_parser("project-list", help="List projects")
+    _ = sub.add_parser("project-list", help="List projects")
 
     # project archive
     p_pa = sub.add_parser("project-archive", help="Archive project")