Adding migration

plugins/festinger/festinger/db.py

@@ -302,9 +302,13 @@ async def reset_graph(pool: asyncpg.Pool) -> dict:
     """
     async with pool.acquire() as conn:
         async with conn.transaction():
-            # Order matters: FK constraints  resolution_queue → soas,  urd → soas
+            # Delete order must respect FK constraints:
-            rq = await conn.execute("DELETE FROM resolution_queue")
+            #   kg_write_log.resolution_queue_id → resolution_queue(id)  [no cascade]
+            #   kg_write_log.{concept,parent,dim}_id → soas(id)
+            #   resolution_queue.{concept,existing_parent,incoming_parent,dim}_id → soas(id)
+            #   urd.{id,parent_id,dim_id} → soas(id)
             kw = await conn.execute("DELETE FROM kg_write_log")
+            rq = await conn.execute("DELETE FROM resolution_queue")
             urd = await conn.execute("DELETE FROM urd")
             # Keep only common-English seeds (novelty = 0); delete domain words
             soas = await conn.execute("DELETE FROM soas WHERE novelty > 0")