fix: 修正 config.yaml 中 minimax 模型条目缩进，避免 YAML 解析失败

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

offline-backend-20260512/config.yaml

@@ -38,25 +38,25 @@ models:
   supports_vision: true
   supports_thinking: true
 - name: minimax-m2.7
-    display_name: MiniMax M2.7
-    use: langchain_openai:ChatOpenAI
-    model: MiniMax-M2.7
-    api_key: sk-cp-mrsAGtzDpUl0TpOBPVoiRG_pWF1kDDN9_mDAnONBs6HIPcNUexSKtSbx2QOxfKBvJT6Xw6hDTV6hdkJYFWfNA8UtHQ08TiGJiosdRoW6q1sGb6Cb7D85NHk
-    base_url: https://api.minimaxi.com
-    max_tokens: 4096
-    temperature: 1.0
-    supports_vision: true
-    supports_thinking: true
+  display_name: MiniMax M2.7
+  use: langchain_openai:ChatOpenAI
+  model: MiniMax-M2.7
+  api_key: sk-cp-mrsAGtzDpUl0TpOBPVoiRG_pWF1kDDN9_mDAnONBs6HIPcNUexSKtSbx2QOxfKBvJT6Xw6hDTV6hdkJYFWfNA8UtHQ08TiGJiosdRoW6q1sGb6Cb7D85NHk
+  base_url: https://api.minimaxi.com
+  max_tokens: 4096
+  temperature: 1.0
+  supports_vision: true
+  supports_thinking: true
 - name: minimax-m2.5
-    display_name: MiniMax M2.5
-    use: langchain_openai:ChatOpenAI
-    model: MiniMax-M2.5
-    api_key: sk-cp-mrsAGtzDpUl0TpOBPVoiRG_pWF1kDDN9_mDAnONBs6HIPcNUexSKtSbx2QOxfKBvJT6Xw6hDTV6hdkJYFWfNA8UtHQ08TiGJiosdRoW6q1sGb6Cb7D85NHk
-    base_url: https://api.minimaxi.com
-    max_tokens: 4096
-    temperature: 1.0
-    supports_vision: true
-    supports_thinking: true
+  display_name: MiniMax M2.5
+  use: langchain_openai:ChatOpenAI
+  model: MiniMax-M2.5
+  api_key: sk-cp-mrsAGtzDpUl0TpOBPVoiRG_pWF1kDDN9_mDAnONBs6HIPcNUexSKtSbx2QOxfKBvJT6Xw6hDTV6hdkJYFWfNA8UtHQ08TiGJiosdRoW6q1sGb6Cb7D85NHk
+  base_url: https://api.minimaxi.com
+  max_tokens: 4096
+  temperature: 1.0
+  supports_vision: true
+  supports_thinking: true
 tool_groups:
 - name: web
 - name: file:read