fix: route telegram vision through ollama first

services/llm_caller_registry.py

@@ -80,6 +80,8 @@ CALLER_REGISTRY: frozenset = frozenset({
     'tg_bot_copy_v2',           # second copy entrance
     'openclaw_bot_main',        # OpenClaw Bot 主鏈 Ollama
     'openclaw_bot_gemini',      # Bot Gemini fallback
+    'openclaw_bot_image',       # Bot 圖片商品辨識 Ollama-first
+    'openclaw_bot_image_gemini',  # Bot 圖片商品辨識 Gemini fallback
     'openclaw_bot_nim',         # Bot NIM fallback
 
     # 其他