Fix multi-shot matching: Always use continuity seed for first island to prevent wrong scene jumps

cli.py

@@ -1471,21 +1471,12 @@ def _match_unmatched_visual_segments(
                 start_s=beat.start_s + start_s,
                 end_s=beat.start_s + end_s,
             )
-            if island_idx == 0:
-                # First island of an unmatched multi-shot beat: search globally
-                # without a continuity bias from the previous beat.  Continuity
-                # assumes the shot follows the previous beat in the source, but
-                # the lead shot of a multi-shot beat is often an insert cut from
-                # a completely different scene.  A wrong seed with score 0.92
-                # would push the real match out of the refinement candidate pool.
-                continuity = {}
-            else:
-                continuity = _continuity_seed_in_points(
-                    beat.beat_id,
-                    [b if b.beat_id != beat.beat_id else segment_beat for b in beats],
-                    cached + expanded,
-                    cfg,
-                )
+            continuity = _continuity_seed_in_points(
+                beat.beat_id,
+                [b if b.beat_id != beat.beat_id else segment_beat for b in beats],
+                cached + expanded,
+                cfg,
+            )
             segment_matches = []
             if beat.beat_id not in skip_global_segment_scan_for:
                 segment_matches = _run_segment_match(segment_beat, continuity, cfg, allow_fullscan=True)