LLM 请求透明化

Co-authored-by: Copilot <copilot@github.com>

.opencode/tools/dynamic_http_call.ts

@@ -7,6 +7,9 @@ export default tool({
   description:
     "通过本地 Agent 桥接调用 TJWater 后端 API。需提供 API 路径、可选的请求方法以及查询参数。",
   args: {
+    reason: tool.schema
+      .string()
+      .describe("Why this tool call is required for the current user request."),
     path: tool.schema.string().describe("Target backend API path, starting with '/'."),
     method: tool.schema
       .string()
@@ -27,6 +30,7 @@ export default tool({
       },
       body: JSON.stringify({
         sessionId: context.sessionID,
+        reason: args.reason,
         path: args.path,
         method: args.method,
         arguments: args.arguments,