Improve scan escalation, watch stability, and plan output

README.md

@@ -30,6 +30,12 @@ vid-repair scan /path/to/videos
 # Scan and watch for new files
 vid-repair scan --watch /path/to/videos
 
+# Scan depth (quick|standard|deep)
+vid-repair scan --scan-depth quick /path/to/videos
+
+# Disable recursive scanning
+vid-repair scan --no-recursive /path/to/videos
+
 # Fix (safe policy, in-place)
 vid-repair fix /path/to/videos