Disable torch.compile and fix video display

- Disable torch.compile (inductor -> disabled) to reduce cold start time
- Fix handler to detect video type from file extension, not output key
- Fix HTML to check filename extension for video display

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

workflows/Wan22-I2V-Remix-API.json

@@ -47,7 +47,7 @@
   },
   "127": {
     "inputs": {
-      "backend": "inductor",
+      "backend": "disabled",
       "fullgraph": false,
       "mode": "default",
       "dynamic": false,