feat: switch backend indexing to code-first identifiers

app/api/routers/meetings.py

@@ -18,15 +18,8 @@ router = APIRouter(tags=["Meetings"])
 
 # ---- helpers ----
 
-def _find_meeting_by_id_or_code(db: Session, identifier: str) -> Meeting | None:
-    try:
-        mid = int(identifier)
-        meeting = db.query(Meeting).filter(Meeting.id == mid).first()
-        if meeting:
-            return meeting
-    except (ValueError, TypeError):
-        pass
-    return db.query(Meeting).filter(Meeting.meeting_code == str(identifier)).first()
+def _find_meeting_by_code(db: Session, meeting_code: str) -> Meeting | None:
+    return db.query(Meeting).filter(Meeting.meeting_code == str(meeting_code)).first()
 
 
 def _resolve_project_id(db: Session, project_code: str | None) -> int | None:
@@ -64,16 +57,13 @@ def _serialize_meeting(db: Session, meeting: Meeting) -> dict:
     project = db.query(models.Project).filter(models.Project.id == meeting.project_id).first()
     milestone = db.query(Milestone).filter(Milestone.id == meeting.milestone_id).first()
     return {
-        "id": meeting.id,
         "code": meeting.meeting_code,
         "meeting_code": meeting.meeting_code,
         "title": meeting.title,
         "description": meeting.description,
         "status": meeting.status.value if hasattr(meeting.status, "value") else meeting.status,
         "priority": meeting.priority.value if hasattr(meeting.priority, "value") else meeting.priority,
-        "project_id": meeting.project_id,
         "project_code": project.project_code if project else None,
-        "milestone_id": meeting.milestone_id,
         "milestone_code": milestone.milestone_code if milestone else None,
         "reporter_id": meeting.reporter_id,
         "meeting_time": meeting.scheduled_at.isoformat() if meeting.scheduled_at else None,
@@ -155,6 +145,7 @@ def create_meeting(
 @router.get("/meetings")
 def list_meetings(
     project: str = None,
+    project_code: str = None,
     status_value: str = Query(None, alias="status"),
     order_by: str = None,
     page: int = 1,
@@ -163,8 +154,9 @@ def list_meetings(
 ):
     query = db.query(Meeting)
 
-    if project:
-        project_id = _resolve_project_id(db, project)
+    effective_project = project_code or project
+    if effective_project:
+        project_id = _resolve_project_id(db, effective_project)
         if project_id:
             query = query.filter(Meeting.project_id == project_id)
 
@@ -197,9 +189,9 @@ def list_meetings(
     }
 
 
-@router.get("/meetings/{meeting_id}")
-def get_meeting(meeting_id: str, db: Session = Depends(get_db)):
-    meeting = _find_meeting_by_id_or_code(db, meeting_id)
+@router.get("/meetings/{meeting_code}")
+def get_meeting(meeting_code: str, db: Session = Depends(get_db)):
+    meeting = _find_meeting_by_code(db, meeting_code)
     if not meeting:
         raise HTTPException(status_code=404, detail="Meeting not found")
     return _serialize_meeting(db, meeting)
@@ -213,14 +205,14 @@ class MeetingUpdateBody(BaseModel):
     duration_minutes: Optional[int] = None
 
 
-@router.patch("/meetings/{meeting_id}")
+@router.patch("/meetings/{meeting_code}")
 def update_meeting(
-    meeting_id: str,
+    meeting_code: str,
     body: MeetingUpdateBody,
     db: Session = Depends(get_db),
     current_user: models.User = Depends(get_current_user_or_apikey),
 ):
-    meeting = _find_meeting_by_id_or_code(db, meeting_id)
+    meeting = _find_meeting_by_code(db, meeting_code)
     if not meeting:
         raise HTTPException(status_code=404, detail="Meeting not found")
     check_project_role(db, current_user.id, meeting.project_id, min_role="dev")
@@ -248,13 +240,13 @@ def update_meeting(
     return _serialize_meeting(db, meeting)
 
 
-@router.delete("/meetings/{meeting_id}", status_code=status.HTTP_204_NO_CONTENT)
+@router.delete("/meetings/{meeting_code}", status_code=status.HTTP_204_NO_CONTENT)
 def delete_meeting(
-    meeting_id: str,
+    meeting_code: str,
     db: Session = Depends(get_db),
     current_user: models.User = Depends(get_current_user_or_apikey),
 ):
-    meeting = _find_meeting_by_id_or_code(db, meeting_id)
+    meeting = _find_meeting_by_code(db, meeting_code)
     if not meeting:
         raise HTTPException(status_code=404, detail="Meeting not found")
     check_project_role(db, current_user.id, meeting.project_id, min_role="dev")
@@ -265,13 +257,13 @@ def delete_meeting(
 
 # ---- Attend ----
 
-@router.post("/meetings/{meeting_id}/attend")
+@router.post("/meetings/{meeting_code}/attend")
 def attend_meeting(
-    meeting_id: str,
+    meeting_code: str,
     db: Session = Depends(get_db),
     current_user: models.User = Depends(get_current_user_or_apikey),
 ):
-    meeting = _find_meeting_by_id_or_code(db, meeting_id)
+    meeting = _find_meeting_by_code(db, meeting_code)
     if not meeting:
         raise HTTPException(status_code=404, detail="Meeting not found")
     check_project_role(db, current_user.id, meeting.project_id, min_role="viewer")