Fix output_path parameter in model.infer

Add temp_output directory and pass real path instead of empty string:
- Create temp_output/ directory
- Pass to model.infer as output_path parameter
- Clean up both temp directories at end

The model expects a real directory path, not empty string.

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

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

deepseek-ocr.py

@@ -201,6 +201,7 @@ def process_single_image(
     image_size: int,
     crop_mode: bool,
     temp_image_path: str,
+    temp_output_dir: str,
 ) -> str:
     """Process a single image through DeepSeek-OCR."""
     # Convert to RGB if needed
@@ -215,7 +216,7 @@ def process_single_image(
         tokenizer,
         prompt=prompt,
         image_file=temp_image_path,
-        output_path="",  # Don't save intermediate files
+        output_path=temp_output_dir,  # Need real directory path
         base_size=base_size,
         image_size=image_size,
         crop_mode=crop_mode,
@@ -333,11 +334,14 @@ def main(
     logger.info(f"Processing {len(dataset)} images (sequential, no batching)")
     logger.info("Note: This may be slower than vLLM-based scripts")
 
-    # Create temp directory for image files (simple local dir)
+    # Create temp directories for image files and output (simple local dirs)
     temp_dir = Path("temp_images")
     temp_dir.mkdir(exist_ok=True)
     temp_image_path = str(temp_dir / "temp_image.png")
 
+    temp_output_dir = Path("temp_output")
+    temp_output_dir.mkdir(exist_ok=True)
+
     try:
         for i in tqdm(range(len(dataset)), desc="OCR processing"):
             try:
@@ -362,6 +366,7 @@ def main(
                     final_image_size,
                     final_crop_mode,
                     temp_image_path,
+                    str(temp_output_dir),
                 )
 
                 all_markdown.append(result)
@@ -371,9 +376,10 @@ def main(
                 all_markdown.append("[OCR FAILED]")
 
     finally:
-        # Clean up temp directory
+        # Clean up temp directories
         try:
             shutil.rmtree(temp_dir)
+            shutil.rmtree(temp_output_dir)
         except:
             pass