feat: 算力配置全面审计 — 6 家供应商 + Token/Coding Plan 对齐官方文档 (#20)

Providers:
- moonshot: 移除到期模型 kimi-k2/k2-thinking，修正 k2.6 maxOutputTokens 32768、k2.5 contextWindow 262144
- tencent: 修正 hunyuan-t1-latest 上下文/输出/价格，新增 hunyuan-t1-vision/turbos-vision
- volcengine: doubao-seed-2.0-lite/mini 新增 audio_understanding/video_understanding
- internal-testing: services 扩展为全部 18 种类型，新增 mediaBaseUrl

Coding Plans:
- dashscope-token-plan: baseUrl 修正为 coding.dashscope.aliyuncs.com，移除非 Coding Plan 模型，新增 kimi-k2.5/qwen3.5-plus/qwen3-coder-plus/glm-4.7
- minimax-coding: 修正 usageTracking 端点，services 扩展为 7 种含媒体类型
- moonshot-coding: maxOutputTokens 修正为 32768
- zhipu-coding: 新增 glm-5.1/glm-5-turbo/glm-4.5-air，修正 glm-5 contextWindow 200000
- volcengine-coding: 新增 glm-5.1/kimi-k2.6/minimax-m2.7
- tencent-token: 新增腾讯云 Token Plan（10 个模型）

presetDataVersion: 45 → 46

compute/coding-plans/volcengine-coding.json

@@ -149,6 +149,39 @@
       ],
       "source": "preset"
     },
+    {
+      "modelName": "glm-5.1",
+      "displayName": "GLM-5.1",
+      "serviceType": [
+        "chat"
+      ],
+      "description": "火山方舟 Coding Plan 中的智谱 GLM-5.1 旗舰模型（2026.4 新增）",
+      "capabilities": [
+        "code",
+        "reasoning",
+        "chat",
+        "long_context",
+        "agent"
+      ],
+      "source": "preset"
+    },
+    {
+      "modelName": "kimi-k2.6",
+      "displayName": "Kimi K2.6",
+      "serviceType": [
+        "chat"
+      ],
+      "description": "火山方舟 Coding Plan 中的 Kimi K2.6 模型（2026.4 新增）",
+      "capabilities": [
+        "code",
+        "reasoning",
+        "chat",
+        "agent",
+        "long_context",
+        "vision"
+      ],
+      "source": "preset"
+    },
     {
       "modelName": "minimax-m2.5",
       "displayName": "MiniMax M2.5",
@@ -163,6 +196,22 @@
         "agent"
       ],
       "source": "preset"
+    },
+    {
+      "modelName": "minimax-m2.7",
+      "displayName": "MiniMax M2.7",
+      "serviceType": [
+        "chat"
+      ],
+      "description": "火山方舟 Coding Plan 中的 MiniMax M2.7 模型（2026.4 新增），230B 总参/10B 激活",
+      "capabilities": [
+        "code",
+        "reasoning",
+        "chat",
+        "agent",
+        "long_context"
+      ],
+      "source": "preset"
     }
   ]
 }