fix: lint errors (import sorting, unused vars)

services/aggregation/worker.py

@@ -27,6 +27,12 @@ from services.aggregation.evidence import (
     rank_evidence as _rank_evidence_composite,
 )
 from services.aggregation.market_context import fetch_market_context
+from services.aggregation.pattern_matcher import find_self_patterns
+from services.aggregation.projection import (
+    MacroEventInfo,
+    compute_projection,
+    persist_trend_projection,
+)
 from services.aggregation.scoring import (
     ScoringConfig,
     WeightedSignal,
@@ -34,23 +40,16 @@ from services.aggregation.scoring import (
     sentiment_to_numeric,
     weighted_sentiment_average,
 )
+from services.aggregation.signal_propagation import (
+    CompetitiveSignalRecord,
+    build_pattern_weighted_signals,
+)
 from services.shared.metrics import (
     AGGREGATION_CONTRADICTION_SCORE,
     AGGREGATION_DURATION,
     AGGREGATION_SIGNALS_PROCESSED,
     AGGREGATION_WINDOWS_COMPUTED,
 )
-from services.aggregation.pattern_matcher import find_self_patterns
-from services.aggregation.projection import (
-    MacroEventInfo,
-    TrendProjection,
-    compute_projection,
-    persist_trend_projection,
-)
-from services.aggregation.signal_propagation import (
-    CompetitiveSignalRecord,
-    build_pattern_weighted_signals,
-)
 from services.shared.schemas import TrendDirection, TrendSummary, TrendWindow
 
 logger = logging.getLogger(__name__)