release: v1.3.0 - TKG node type renaming

Changes:
- Rust: face_trace → face_track (45 occurrences in 8 files)
- Rust: gaze_trace → gaze_track, lip_trace → lip_track
- Python: tkg_builder.py unified + pipeline_checklist.py fixed
- Swift: swift_hand.swift hand state detection (empty vs holding)

Node type changes:
  face_trace    → face_track
  person_trace  → body_track
  gaze_trace    → gaze_track
  lip_trace     → lip_track
  hand_trace    → hand_track
  speaker       → speaker_segment
  object        → detected_object
  text_trace    → text_region

Migration:
  PUBLIC schema: 12970 + 892 + 305 rows updated

clear_failed_processor.sql

@@ -0,0 +1,10 @@
+-- Delete failed face processor result to allow retry
+DELETE FROM processor_results 
+WHERE job_id = 62 
+AND processor = 'face' 
+AND status = 'failed';
+
+-- Check remaining processor_results for this job
+SELECT id, processor, status, retry_count 
+FROM processor_results 
+WHERE job_id = 62;