Logging multiprocessing: configure logger dans les workers spawn + compteur de progression

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

lidar_pipeline/pipeline.py

@@ -261,15 +261,17 @@ class LidarArchaeoPipeline:
                     executor.submit(_process_file_standalone, str(laz_file), str(self.input_dir), str(self.output_dir), self.resolution, self.force): laz_file
                     for laz_file in files
                 }
-                for idx, future in enumerate(as_completed(future_to_file), 1):
+                done = 0
+                for future in as_completed(future_to_file):
                     laz_file = future_to_file[future]
+                    done += 1
                     try:
                         success = future.result()
                         results[laz_file.name] = success
                         status = "✓" if success else "✗"
-                        logger.info(f"  [{idx}/{len(files)}] {status} {laz_file.name}")
+                        logger.info(f"  [{done}/{len(files)}] {status} {laz_file.name}")
                     except Exception as e:
-                        logger.error(f"  [{idx}/{len(files)}] ✗ {laz_file.name}: {e}")
+                        logger.error(f"  [{done}/{len(files)}] ✗ {laz_file.name}: {e}")
                         logger.debug(f"  Traceback:", exc_info=True)
                         results[laz_file.name] = False
         else:
@@ -319,6 +321,16 @@ def _process_file_standalone(laz_file_str, input_dir, output_dir, resolution, fo
 
     Each worker gets its own temp directory to avoid file conflicts.
     """
+    # Configure logging in worker process (spawn doesn't inherit parent config)
+    import logging
+    import sys
+    logger = logging.getLogger("lidar")
+    if not logger.handlers:
+        handler = logging.StreamHandler(sys.stdout)
+        handler.setFormatter(logging.Formatter("%(message)s"))
+        logger.setLevel(logging.INFO)
+        logger.addHandler(handler)
+
     pipeline = LidarArchaeoPipeline(input_dir, output_dir, resolution=resolution, workers=1, force=force)
     basename = Path(laz_file_str).stem
     pipeline.temp_dir = pipeline.output_dir / f"temp_{basename}"