fix: route telegram vision through ollama first

.env.example

@@ -315,6 +315,9 @@ RAG_EMBED_NORMALIZE=true
 PPT_VISION_ENABLED=false
 PPT_VISION_MODEL=minicpm-v:latest
 PPT_VISION_TIMEOUT=60
+PPT_AUTO_GENERATION_ENABLED=true
+PPT_AUTO_REPORT_TYPES=all
+PPT_AUTO_DEFAULT_CATEGORY=美妝保養
 DEEPSEEK_DIRECT_ENABLED=false
 DEEPSEEK_API_KEY=
 DEEPSEEK_BASE_URL=https://api.deepseek.com/v1
@@ -344,6 +347,9 @@ OLLAMA_EMBED_TIMEOUT=45
 OPENCLAW_QA_OLLAMA_FIRST=true
 OPENCLAW_QA_OLLAMA_MODEL=qwen3:14b
 OPENCLAW_QA_OLLAMA_TIMEOUT=60
+OPENCLAW_IMAGE_VISION_MODEL=minicpm-v:latest
+OPENCLAW_IMAGE_OLLAMA_TIMEOUT=45
+OPENCLAW_IMAGE_GEMINI_MODEL=gemini-1.5-flash
 NEMOTRON_OLLAMA_FIRST=true
 NEMOTRON_OLLAMA_MODEL=qwen3:14b
 NEMOTRON_OLLAMA_TIMEOUT=180