feat: collect Bybit orderbook observations for training

tools/compact_runtime_db.py

@@ -20,6 +20,7 @@ DEFAULT_RECENT_ROWS = {
     "equity": 5_000,
     "events": 2_000,
     "llm_advice": 1_000,
+    "market_observations": 100_000,
 }
 
 
@@ -114,6 +115,11 @@ def _parse_args() -> argparse.Namespace:
     parser.add_argument("--equity", type=int, default=DEFAULT_RECENT_ROWS["equity"])
     parser.add_argument("--events", type=int, default=DEFAULT_RECENT_ROWS["events"])
     parser.add_argument("--llm-advice", type=int, default=DEFAULT_RECENT_ROWS["llm_advice"])
+    parser.add_argument(
+        "--market-observations",
+        type=int,
+        default=DEFAULT_RECENT_ROWS["market_observations"],
+    )
     return parser.parse_args()
 
 
@@ -127,6 +133,7 @@ def main() -> None:
             "equity": args.equity,
             "events": args.events,
             "llm_advice": args.llm_advice,
+            "market_observations": args.market_observations,
         },
     )
     print(json.dumps(result, ensure_ascii=False, sort_keys=True))