fix: lint errors (import sorting, unused vars)

services/api/app.py

@@ -16,6 +16,7 @@ import json
 import logging
 import time as _time
 from contextlib import asynccontextmanager
+from dataclasses import asdict
 from datetime import datetime, timezone
 from typing import Any, Optional
 
@@ -27,11 +28,16 @@ from pydantic import BaseModel
 from starlette.middleware.base import BaseHTTPMiddleware
 from starlette.responses import Response
 
+from services.aggregation.pattern_matcher import (
+    find_cross_company_patterns,
+    find_self_patterns,
+)
 from services.extractor.metrics import get_model_performance_summary
 from services.shared.audit import get_entity_audit_trail, get_order_audit_trail, record_audit_event
 from services.shared.config import load_config
 from services.shared.db import get_pg_pool
 from services.shared.logging import new_trace_id, set_trace_context, setup_logging
+from services.shared.schemas import MAJOR_DECISION_CATALYSTS
 
 logger = logging.getLogger("query_api")
 
@@ -2092,14 +2098,6 @@ async def toggle_competitive_layer(body: CompetitiveToggleBody):
 # (Requirements 10.1, 10.2, 10.3, 10.4, 11.4, 11.6)
 # ---------------------------------------------------------------------------
 
-from dataclasses import asdict
-
-from services.aggregation.pattern_matcher import (
-    find_cross_company_patterns,
-    find_self_patterns,
-)
-from services.shared.schemas import MAJOR_DECISION_CATALYSTS
-
 
 def _pattern_to_dict(p) -> dict[str, Any]:
     """Convert a HistoricalPattern dataclass to a JSON-safe dict."""