fix(travel-proxy): logging.basicConfig 추가 + 동기화 진행 로그 강화

- main.py에 basicConfig(level=INFO) 추가 — 기존엔 기본 WARNING이라 info 로그 무시됨
- indexer: 앨범별 변경사항 로그, 썸네일 100개 단위 진행률 로그

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

travel-proxy/app/indexer.py

@@ -179,8 +179,11 @@ def sync(
     added = 0
     updated = 0
     removed = 0
+    sorted_albums = sorted(all_albums)
+    total_albums = len(sorted_albums)
 
-    for album in sorted(all_albums):
+    logger.info("Syncing %d albums...", total_albums)
+    for i, album in enumerate(sorted_albums, 1):
         folder = travel_root / album
         items = _scan_folder(folder)
         existing_filenames = {item["filename"] for item in items}
@@ -190,17 +193,30 @@ def sync(
         updated += result["updated"]
         removed += result["removed"]
 
+        if result["added"] or result["removed"]:
+            logger.info(
+                "[%d/%d] %s: +%d/-%d (%d files)",
+                i, total_albums, album, result["added"], result["removed"], len(items),
+            )
+
+    logger.info("DB sync done: added=%d updated=%d removed=%d", added, updated, removed)
+
     # 3. 썸네일 미생성 분 일괄 생성
     no_thumb = db.get_photos_without_thumb()
     thumbs_generated = 0
     thumb_done_batch = []
 
-    for photo in no_thumb:
+    if no_thumb:
+        logger.info("Generating %d thumbnails...", len(no_thumb))
+
+    for idx, photo in enumerate(no_thumb, 1):
         src = travel_root / photo["album"] / photo["filename"]
         dest = thumb_root / photo["album"] / photo["filename"]
         if _generate_thumb(src, dest):
             thumb_done_batch.append(photo)
             thumbs_generated += 1
+        if idx % 100 == 0:
+            logger.info("Thumbnails: %d/%d done", idx, len(no_thumb))
 
     db.batch_mark_thumbs_done(thumb_done_batch)