feat(chat): 完善运行状态与权限交互

src/components/chat/AgentComposer.test.tsx

@@ -44,7 +44,7 @@ describe("AgentComposer", () => {
           modelOptions={[{ id: "test-model", label: "测试模型" }]}
           selectedModel="test-model"
           onModelChange={jest.fn()}
-          approvalMode="request"
+          approvalMode="auto"
           onApprovalModeChange={jest.fn()}
         />
       </ThemeProvider>,
@@ -56,6 +56,56 @@ describe("AgentComposer", () => {
     expect(screen.queryByRole("button", { name: "上传附件" })).not.toBeInTheDocument();
     expect(screen.getByTitle("快捷指令图标")).toBeInTheDocument();
     expect(screen.queryByAltText("TJWater Agent")).not.toBeInTheDocument();
+    expect(screen.getByText("自动批准")).toBeInTheDocument();
     expect(voiceButton.nextElementSibling?.contains(sendButton)).toBe(true);
   });
+
+  it("disables input while the Agent runtime is unavailable", () => {
+    render(
+      <ThemeProvider theme={createTheme()}>
+        <AgentComposer
+          isStreaming={false}
+          runtimeState="unavailable"
+          isListening={false}
+          isSttSupported={false}
+          presets={[]}
+          onSend={jest.fn()}
+          onAbort={jest.fn()}
+          onStartListening={jest.fn()}
+          onStopListening={jest.fn()}
+          modelOptions={[]}
+          onModelChange={jest.fn()}
+          approvalMode="auto"
+          onApprovalModeChange={jest.fn()}
+        />
+      </ThemeProvider>,
+    );
+
+    expect(screen.getByPlaceholderText("Agent 服务未就绪，暂时无法发送消息")).toBeDisabled();
+    expect(screen.getByRole("button", { name: "发送" })).toBeDisabled();
+  });
+
+  it("renders the always-allow mode as an explicit warning state", () => {
+    render(
+      <ThemeProvider theme={createTheme()}>
+        <AgentComposer
+          isStreaming={false}
+          isListening={false}
+          isSttSupported={false}
+          presets={[]}
+          onSend={jest.fn()}
+          onAbort={jest.fn()}
+          onStartListening={jest.fn()}
+          onStopListening={jest.fn()}
+          modelOptions={[]}
+          onModelChange={jest.fn()}
+          approvalMode="always"
+          onApprovalModeChange={jest.fn()}
+        />
+      </ThemeProvider>,
+    );
+
+    expect(screen.getByText("始终允许")).toBeInTheDocument();
+    expect(screen.getByTestId("WarningAmberRoundedIcon")).toBeInTheDocument();
+  });
 });