Major JQL bugfixes

app/workers.py

@@ -12,7 +12,7 @@ import datetime as dt
 from typing import List, Tuple, TypedDict
 
 from PyQt6.QtCore import QThread, pyqtSignal
-from sqlalchemy import select
+from sqlalchemy import select, delete
 
 from app.database import get_session
 from app.models import Order
@@ -216,6 +216,29 @@ def save_orders(orders: List[NormalizedOrder]) -> SaveResult:
     )
 
 
+def reset_local_database() -> int:
+    """
+    Wipes every locally cached order. This is a rebuildable cache, not a
+    system of record - JIRA is - so this is always safe, just requires
+    re-running Import from JIRA (and Pull Tracking Numbers) afterward.
+
+    Also the real fix for one specific situation: a ticket that
+    transitioned status under an older, buggy version of this app can end
+    up with a permanently-wrong fulfilled_at/cancelled_at timestamp, since
+    those are only recalculated ON a transition - re-importing an
+    already-transitioned ticket finds "no change" and never touches it
+    again. A reset clears that stale timestamp entirely; the fresh
+    re-import then stamps everything correctly from scratch.
+    """
+    session = get_session()
+    try:
+        result = session.execute(delete(Order))
+        session.commit()
+        return result.rowcount or 0
+    finally:
+        session.close()
+
+
 def load_all_orders() -> List[Order]:
     session = get_session()
     try: