fix: stream cold-start history into decision state

modelhub_submmit_api/README.md

@@ -103,13 +103,12 @@ bash run_poll.sh --dry-run
   rule immediately launches a lightweight architecture-only queue scan. Exact
   matching waiting tasks are stopped after two state checks; running tasks and
   tasks without local framework/task metadata are protected.
-- Startup probes recent community failures for downloadable diagnostic archives.
-  Because the current public task API omits them, the worker automatically scans
-  complete terminal history across all configured accounts instead. It joins
-  ledger context when available and otherwise recovers task type and conservative
-  framework evidence from the ModelHub task level and target container image.
-  This bootstrap finishes before the first queue cleanup; later failures continue
-  to update the same blacklist every three cycles.
+- Startup imports a small community/owned seed for immediate decisions. After
+  each submission pass, a durable cursor incrementally scans complete terminal
+  history across all configured accounts. Each bounded page is classified and
+  folded into aggregate decision state immediately; raw task rows and failure
+  logs are never synchronized. Restarts resume the cursor, and the temporary
+  deduplication IDs are removed when the exhaustive backfill completes.
 - A strategy generation lasts exactly 200 platform-accepted submissions. Rejected API calls and
   duplicates do not advance it. The next cycle refreshes platform history before submitting again.
 - Strategy state is stored in `.modelhub_state/gpu_strategy.json`; a generation never recalculates
@@ -244,6 +243,7 @@ Persistent local scheduler state is written under `.modelhub_state/`:
 - `submission_exclusions.jsonl`: non-retryable model/GPU uniqueness rejections
 - `queue_cleanup_latest.json`: latest active-task sizing evidence and cancellation result
 - `architecture_compatibility_blacklist.json`: current dynamic compatibility blocks and evidence
+- `architecture_history_backfill.json`: resumable full-history cursor and temporary deduplication IDs
 
 ## Verification