Fix: Use /tmp for temp and outputs directories

- Changed TEMP_DIR from /app/temp to /tmp/temp
- Changed OUTPUTS_DIR from /app/outputs to /tmp/outputs
- Fixes PermissionError when saving uploaded videos
- Ensures all file operations use writable locations in containers

highlights_api.py

@@ -90,9 +90,9 @@ completed_jobs = {}
 import tempfile
 import stat
 
-# Use app directory for HuggingFace Spaces compatibility
-TEMP_DIR = os.path.join(os.getcwd(), "temp")
-OUTPUTS_DIR = os.path.join(os.getcwd(), "outputs")
+# Use /tmp directory for HuggingFace Spaces compatibility (writable location)
+TEMP_DIR = os.path.join("/tmp", "temp")
+OUTPUTS_DIR = os.path.join("/tmp", "outputs")
 
 # Create directories with proper permissions
 os.makedirs(OUTPUTS_DIR, mode=0o755, exist_ok=True)