fix(lint): auto-fix ruff violations and tune lint rules

- Auto-fixed 4,496 lint issues (import sorting, modern syntax, etc.)
- Added ignore rules for patterns intentional in this codebase:
  E402 (late imports), E712 (SQLAlchemy filters), B904 (raise from),
  SIM108/SIM105/SIM117 (readability preferences)
- Added per-file ignores for tests and scripts
- Excluded broken scripts/rename_terminology.py (has curly quotes)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

scripts/investigate_order.py

@@ -2,6 +2,7 @@
 """Debug script to investigate order shipping information."""
 
 import sys
+
 sys.path.insert(0, ".")
 
 from app.core.database import SessionLocal
@@ -82,15 +83,15 @@ def investigate_order(order_number: str):
             print(f"  Keys: {list(ext.keys())}")
 
             # Check for tracking info in external data
-            if 'tracking' in ext:
+            if "tracking" in ext:
                 print(f"  tracking: {ext['tracking']}")
-            if 'trackingNumber' in ext:
+            if "trackingNumber" in ext:
                 print(f"  trackingNumber: {ext['trackingNumber']}")
-            if 'carrier' in ext:
+            if "carrier" in ext:
                 print(f"  carrier: {ext['carrier']}")
-            if 'state' in ext:
+            if "state" in ext:
                 print(f"  state: {ext['state']}")
-            if 'shipmentState' in ext:
+            if "shipmentState" in ext:
                 print(f"  shipmentState: {ext['shipmentState']}")
 
             # Print full external data (truncated if too long)