auto-iter 2026-05-13: inference min_frames=32 + timeout 3h (was 2h)

- min_frames_for_inference: 32 (RoPE/attention needs ≥32 frames)
- inference_timeout_s: 10800 (GX029818 timed out at 7200s with 493 frames)

Authored-by: Poulpe <claude@nowyouknow.fr>

pipeline/config/thresholds.yaml

@@ -22,6 +22,8 @@ inference:
   max_frame_num: 1024
   mode: streaming
   keyframe_interval: 1
+  min_frames_for_inference: 32   # fewer frames → RoPE/attention mismatch errors
+  inference_timeout_s: 10800     # 3h (was 7200=2h, GX029818 timed out with 493 frames)
 
 align:
   max_translation_m: 500         # sanity check on alignment