feat(chat): 支持自动始终允许权限

src/routes/chat.ts

@@ -34,6 +34,7 @@ const payloadSchema = z.object({
   message: z.string().min(1).max(10000),
   session_id: z.string().max(128).optional(),
   model: z.enum(supportedModels).optional(),
+  approval_mode: z.enum(["request", "always"]).optional().default("request"),
 });
 
 const abortPayloadSchema = z.object({
@@ -968,6 +969,7 @@ export const buildChatRouter = (
           sessionId: binding.sessionId,
           created: created || sessionCreated,
           model: parsed.data.model,
+          approvalMode: parsed.data.approval_mode,
           traceId: requestContext.traceId,
           projectId: requestContext.projectId,
         },
@@ -1137,6 +1139,7 @@ export const buildChatRouter = (
           clientSessionId,
           message: preparedMessage,
           model: parsed.data.model,
+          approvalMode: parsed.data.approval_mode,
           traceId: requestContext.traceId,
           projectId: requestContext.projectId,
           signal: abortController.signal,