update

backend/kanban.py

@@ -18,18 +18,15 @@ import asyncio
 import logging
 
 import database as db
-from config import MAX_CONCURRENT_AGENTS_PER_TOPIC
+from config import KANBAN_BATCH, MAX_CARD_RETRIES, MAX_CONCURRENT_AGENTS_PER_TOPIC, RETRY_BACKOFF
 
 log = logging.getLogger("creator.kanban")
 
-KANBAN_BATCH = 5          # cards a worker pulls per package (micro-batching)
 # How many packages ONE worker keeps in flight at once. A worker no longer blocks on a single
 # package — it keeps pulling and dispatching until this many run concurrently, so a busy column
 # fills the agent slots (the per-topic semaphore is the real cap; over-dispatch just queues cheaply).
 WORKER_INFLIGHT = MAX_CONCURRENT_AGENTS_PER_TOPIC
 _POLL = 0.3               # seconds between empty-queue polls
-MAX_CARD_RETRIES = 3      # failures per card until dead-letter
-RETRY_BACKOFF = 30.0      # base seconds; backoff = base · 2^(retries-1)
 
 # Live registry of running flows (topic → Flow), so routes can attach research agents,
 # report `generating`, and cancel.