fix: apply cliproxy retry settings safely

src/cliproxy/routing/__tests__/retry-settings.test.ts

@@ -0,0 +1,182 @@
+import { afterEach, beforeEach, describe, expect, it, mock } from 'bun:test';
+import type { ProxyTarget } from '../../proxy/proxy-target-resolver';
+
+const localTarget: ProxyTarget = {
+  host: '127.0.0.1',
+  port: 8317,
+  protocol: 'http',
+  isRemote: false,
+};
+const remoteTarget: ProxyTarget = {
+  host: 'proxy.example.com',
+  port: 443,
+  protocol: 'https',
+  isRemote: true,
+};
+
+describe('CLIProxy retry settings service', () => {
+  let target: ProxyTarget;
+  let config: { cliproxy?: { retry?: { request_retry?: number; max_retry_interval?: number } } };
+  let regenerateMock: ReturnType<typeof mock>;
+  let fetchRetryMock: ReturnType<typeof mock>;
+
+  beforeEach(() => {
+    target = localTarget;
+    config = { cliproxy: { retry: { request_retry: 1, max_retry_interval: 10 } } };
+    regenerateMock = mock(() => '/tmp/config.yaml');
+    fetchRetryMock = mock();
+
+    mock.module('../../config/generator', () => ({ regenerateConfig: regenerateMock }));
+    mock.module('../../config/path-resolver', () => ({
+      getAuthDir: () => '/tmp/auth',
+      getConfigPathForPort: () => '/tmp/config.yaml',
+    }));
+    mock.module('../../../config/config-loader-facade', () => ({
+      loadOrCreateUnifiedConfig: () => structuredClone(config),
+      mutateConfig: (mutator: (value: typeof config) => void) => {
+        mutator(config);
+        return structuredClone(config);
+      },
+    }));
+    mock.module('../routing-strategy-http', () => ({
+      getCliproxyRoutingTarget: () => target,
+      fetchCliproxyRetryResponse: fetchRetryMock,
+      getRoutingErrorMessage: async (response: Response, fallback: string) => {
+        const body = (await response.json().catch(() => null)) as { error?: string } | null;
+        return body?.error ?? fallback;
+      },
+    }));
+  });
+
+  afterEach(() => mock.restore());
+
+  async function loadService() {
+    return import(`../retry-settings?test=${Date.now()}-${Math.random()}`) as Promise<
+      typeof import('../retry-settings')
+    >;
+  }
+
+  it('reads both official management endpoints as one live state', async () => {
+    fetchRetryMock.mockImplementation(
+      async (_target: ProxyTarget, setting: string) =>
+        new Response(JSON.stringify({ [setting]: setting === 'request-retry' ? 3 : 30 }))
+    );
+    const { readCliproxyRetryState } = await loadService();
+
+    await expect(readCliproxyRetryState()).resolves.toEqual({
+      request_retry: 3,
+      max_retry_interval: 30,
+      source: 'live',
+      target: 'local',
+      reachable: true,
+      manageable: true,
+    });
+    expect(fetchRetryMock.mock.calls.map((call) => call[1])).toEqual([
+      'request-retry',
+      'max-retry-interval',
+    ]);
+  });
+
+  it('keeps remote updates live-only', async () => {
+    target = remoteTarget;
+    fetchRetryMock.mockImplementation(
+      async (_target: ProxyTarget, setting: string, method: string) =>
+        method === 'GET'
+          ? new Response(JSON.stringify({ [setting]: setting === 'request-retry' ? 1 : 10 }))
+          : new Response('{}')
+    );
+    const { applyCliproxyRetrySettings } = await loadService();
+
+    const result = await applyCliproxyRetrySettings({
+      request_retry: 4,
+      max_retry_interval: 40,
+    });
+
+    expect(result.applied).toBe('live');
+    expect(config.cliproxy?.retry).toEqual({ request_retry: 1, max_retry_interval: 10 });
+    expect(regenerateMock).not.toHaveBeenCalled();
+  });
+
+  it('rolls back the first upstream value when the second PUT fails', async () => {
+    target = remoteTarget;
+    const puts: Array<[string, number]> = [];
+    fetchRetryMock.mockImplementation(
+      async (_target: ProxyTarget, setting: string, method: string, value?: number) => {
+        if (method === 'GET') {
+          return new Response(JSON.stringify({ [setting]: setting === 'request-retry' ? 2 : 20 }));
+        }
+        puts.push([setting, value as number]);
+        if (setting === 'max-retry-interval') {
+          return new Response(JSON.stringify({ error: 'second write failed' }), { status: 500 });
+        }
+        return new Response('{}');
+      }
+    );
+    const { applyCliproxyRetrySettings } = await loadService();
+
+    await expect(
+      applyCliproxyRetrySettings({ request_retry: 5, max_retry_interval: 50 })
+    ).rejects.toThrow('second write failed');
+    expect(puts).toEqual([
+      ['request-retry', 5],
+      ['max-retry-interval', 50],
+      ['request-retry', 2],
+    ]);
+  });
+
+  it('restores local persisted settings when regeneration fails', async () => {
+    fetchRetryMock.mockRejectedValue(new Error('offline'));
+    regenerateMock
+      .mockImplementationOnce(() => {
+        throw new Error('write failed');
+      })
+      .mockImplementationOnce(() => '/tmp/config.yaml');
+    const { applyCliproxyRetrySettings } = await loadService();
+
+    await expect(
+      applyCliproxyRetrySettings({ request_retry: 9, max_retry_interval: 90 })
+    ).rejects.toThrow('Saved retry settings were rolled back');
+    expect(config.cliproxy?.retry).toEqual({ request_retry: 1, max_retry_interval: 10 });
+    expect(regenerateMock).toHaveBeenCalledTimes(2);
+  });
+
+  it('serializes complete pair operations', async () => {
+    target = remoteTarget;
+    const events: string[] = [];
+    let releaseFirstRead: (() => void) | undefined;
+    const firstReadGate = new Promise<void>((resolve) => {
+      releaseFirstRead = resolve;
+    });
+    let requestReadCount = 0;
+    fetchRetryMock.mockImplementation(
+      async (_target: ProxyTarget, setting: string, method: string, value?: number) => {
+        events.push(`${method}:${setting}:${value ?? ''}`);
+        if (method === 'GET' && setting === 'request-retry' && requestReadCount++ === 0) {
+          await firstReadGate;
+        }
+        return method === 'GET'
+          ? new Response(JSON.stringify({ [setting]: setting === 'request-retry' ? 1 : 10 }))
+          : new Response('{}');
+      }
+    );
+    const { applyCliproxyRetrySettings } = await loadService();
+
+    const first = applyCliproxyRetrySettings({ request_retry: 2, max_retry_interval: 20 });
+    const second = applyCliproxyRetrySettings({ request_retry: 3, max_retry_interval: 30 });
+    await Promise.resolve();
+    expect(events).toEqual(['GET:request-retry:']);
+    releaseFirstRead?.();
+    await Promise.all([first, second]);
+
+    expect(events).toEqual([
+      'GET:request-retry:',
+      'GET:max-retry-interval:',
+      'PUT:request-retry:2',
+      'PUT:max-retry-interval:20',
+      'GET:request-retry:',
+      'GET:max-retry-interval:',
+      'PUT:request-retry:3',
+      'PUT:max-retry-interval:30',
+    ]);
+  });
+});

src/cliproxy/routing/__tests__/routing-strategy-http.test.ts

@@ -104,4 +104,44 @@ describe('routing-strategy-http', () => {
       'https://proxy.example.com:443/v0/management/routing/strategy'
     );
   });
+
+  it('builds target-aware retry management URLs', async () => {
+    const { getCliproxyRetryManagementUrl } = await loadRoutingHttpModule();
+    const target: ProxyTarget = {
+      host: 'proxy.example.com',
+      port: 443,
+      protocol: 'https',
+      isRemote: true,
+    };
+
+    expect(getCliproxyRetryManagementUrl(target, 'request-retry')).toBe(
+      'https://proxy.example.com:443/v0/management/request-retry'
+    );
+    expect(getCliproxyRetryManagementUrl(target, 'max-retry-interval')).toBe(
+      'https://proxy.example.com:443/v0/management/max-retry-interval'
+    );
+  });
+
+  it('sends retry updates as an integer value payload', async () => {
+    const originalFetch = globalThis.fetch;
+    const fetchMock = mock(async () => new Response('{}'));
+    globalThis.fetch = fetchMock as typeof fetch;
+    const target: ProxyTarget = {
+      host: '127.0.0.1',
+      port: 8317,
+      protocol: 'http',
+      isRemote: false,
+    };
+
+    try {
+      const { fetchCliproxyRetryResponse } = await loadRoutingHttpModule();
+      await fetchCliproxyRetryResponse(target, 'request-retry', 'PUT', 4);
+      expect(fetchMock).toHaveBeenCalledWith(
+        'http://127.0.0.1:8317/v0/management/request-retry',
+        expect.objectContaining({ method: 'PUT', body: JSON.stringify({ value: 4 }) })
+      );
+    } finally {
+      globalThis.fetch = originalFetch;
+    }
+  });
 });

src/cliproxy/routing/retry-settings.ts

@@ -0,0 +1,244 @@
+import { regenerateConfig } from '../config/generator';
+import { getAuthDir, getConfigPathForPort } from '../config/path-resolver';
+import { loadOrCreateUnifiedConfig, mutateConfig } from '../../config/config-loader-facade';
+import type { ProxyTarget } from '../proxy/proxy-target-resolver';
+import { ConfigError, NetworkError } from '../../errors/error-types';
+import {
+  fetchCliproxyRetryResponse,
+  getCliproxyRoutingTarget,
+  getRoutingErrorMessage,
+  type CliproxyRetryManagementSetting,
+} from './routing-strategy-http';
+
+export interface CliproxyRetryValues {
+  request_retry: number;
+  max_retry_interval: number;
+}
+
+export interface CliproxyRetryState extends CliproxyRetryValues {
+  source: 'live' | 'config';
+  target: 'local' | 'remote';
+  reachable: boolean;
+  manageable: boolean;
+  message?: string;
+}
+
+export interface CliproxyRetryApplyResult extends CliproxyRetryState {
+  applied: 'live' | 'live-and-config' | 'config-only';
+}
+
+const DEFAULT_RETRY_VALUES: CliproxyRetryValues = {
+  request_retry: 0,
+  max_retry_interval: 0,
+};
+
+let retryOperationQueue: Promise<void> = Promise.resolve();
+
+export function normalizeCliproxyRetryValue(value: unknown): number | null {
+  return typeof value === 'number' && Number.isSafeInteger(value) && value >= 0 ? value : null;
+}
+
+function serializeRetryOperation<T>(operation: () => Promise<T>): Promise<T> {
+  const result = retryOperationQueue.then(operation, operation);
+  retryOperationQueue = result.then(
+    () => undefined,
+    () => undefined
+  );
+  return result;
+}
+
+function getConfiguredRetryValues(): CliproxyRetryValues {
+  const retry = loadOrCreateUnifiedConfig().cliproxy?.retry;
+  return {
+    request_retry:
+      normalizeCliproxyRetryValue(retry?.request_retry) ?? DEFAULT_RETRY_VALUES.request_retry,
+    max_retry_interval:
+      normalizeCliproxyRetryValue(retry?.max_retry_interval) ??
+      DEFAULT_RETRY_VALUES.max_retry_interval,
+  };
+}
+
+async function readLiveRetryValue(
+  target: ProxyTarget,
+  setting: CliproxyRetryManagementSetting
+): Promise<number> {
+  const response = await fetchCliproxyRetryResponse(target, setting, 'GET');
+  if (!response.ok) {
+    throw new NetworkError(
+      await getRoutingErrorMessage(
+        response,
+        `Failed to read CLIProxy ${setting} (${response.status})`
+      )
+    );
+  }
+
+  const data = (await response.json()) as Record<string, unknown>;
+  const value = normalizeCliproxyRetryValue(data[setting] ?? data.value);
+  if (value === null) {
+    throw new NetworkError(`CLIProxy returned an invalid ${setting} value`);
+  }
+  return value;
+}
+
+async function readLiveRetryValues(target: ProxyTarget): Promise<CliproxyRetryValues> {
+  const requestRetry = await readLiveRetryValue(target, 'request-retry');
+  const maxRetryInterval = await readLiveRetryValue(target, 'max-retry-interval');
+  return {
+    request_retry: requestRetry,
+    max_retry_interval: maxRetryInterval,
+  };
+}
+
+async function putLiveRetryValue(
+  target: ProxyTarget,
+  setting: CliproxyRetryManagementSetting,
+  value: number
+): Promise<void> {
+  const response = await fetchCliproxyRetryResponse(target, setting, 'PUT', value);
+  if (!response.ok) {
+    throw new NetworkError(
+      await getRoutingErrorMessage(
+        response,
+        `Failed to update CLIProxy ${setting} (${response.status})`
+      )
+    );
+  }
+}
+
+async function updateLiveRetryValues(
+  target: ProxyTarget,
+  values: CliproxyRetryValues,
+  previousRequestRetry: number
+): Promise<void> {
+  await putLiveRetryValue(target, 'request-retry', values.request_retry);
+  try {
+    await putLiveRetryValue(target, 'max-retry-interval', values.max_retry_interval);
+  } catch (error) {
+    try {
+      await putLiveRetryValue(target, 'request-retry', previousRequestRetry);
+    } catch (rollbackError) {
+      throw new NetworkError(
+        `${(error as Error).message}. Failed to roll back request-retry: ${(rollbackError as Error).message}`
+      );
+    }
+    throw error;
+  }
+}
+
+function persistLocalRetryValues(target: ProxyTarget, values: CliproxyRetryValues): void {
+  const previousRetry = loadOrCreateUnifiedConfig().cliproxy?.retry;
+  const previous = previousRetry ? { ...previousRetry } : undefined;
+  const configPath = getConfigPathForPort(target.port);
+  const authDir = getAuthDir();
+
+  mutateConfig((config) => {
+    config.cliproxy = config.cliproxy ?? {};
+    config.cliproxy.retry = { ...values };
+  });
+
+  try {
+    regenerateConfig(target.port, { configPath, authDir });
+  } catch (error) {
+    mutateConfig((config) => {
+      config.cliproxy = config.cliproxy ?? {};
+      if (previous) {
+        config.cliproxy.retry = previous;
+      } else {
+        delete config.cliproxy.retry;
+      }
+    });
+
+    try {
+      regenerateConfig(target.port, { configPath, authDir });
+    } catch (rollbackError) {
+      throw new ConfigError(
+        `Failed to regenerate CLIProxy config: ${(error as Error).message}. Rollback regeneration also failed: ${(rollbackError as Error).message}`
+      );
+    }
+    throw new ConfigError(
+      `Failed to regenerate CLIProxy config: ${(error as Error).message}. Saved retry settings were rolled back.`
+    );
+  }
+}
+
+export function readCliproxyRetryState(): Promise<CliproxyRetryState> {
+  return serializeRetryOperation(async () => {
+    const target = getCliproxyRoutingTarget();
+    try {
+      const values = await readLiveRetryValues(target);
+      return {
+        ...values,
+        source: 'live',
+        target: target.isRemote ? 'remote' : 'local',
+        reachable: true,
+        manageable: true,
+      };
+    } catch (error) {
+      if (target.isRemote) throw error;
+      return {
+        ...getConfiguredRetryValues(),
+        source: 'config',
+        target: 'local',
+        reachable: false,
+        manageable: true,
+        message: 'Local CLIProxy is not reachable. Showing the saved startup defaults.',
+      };
+    }
+  });
+}
+
+export function applyCliproxyRetrySettings(
+  values: CliproxyRetryValues
+): Promise<CliproxyRetryApplyResult> {
+  return serializeRetryOperation(async () => {
+    const target = getCliproxyRoutingTarget();
+    let previousLive: CliproxyRetryValues;
+
+    try {
+      previousLive = await readLiveRetryValues(target);
+    } catch (error) {
+      if (target.isRemote) throw error;
+      persistLocalRetryValues(target, values);
+      return {
+        ...values,
+        source: 'config',
+        target: 'local',
+        reachable: false,
+        manageable: true,
+        applied: 'config-only',
+        message: 'Saved the local startup defaults. They will apply the next time CLIProxy starts.',
+      };
+    }
+
+    if (!target.isRemote) {
+      persistLocalRetryValues(target, values);
+    }
+
+    try {
+      await updateLiveRetryValues(target, values, previousLive.request_retry);
+    } catch (error) {
+      if (target.isRemote) throw error;
+      return {
+        ...values,
+        source: 'config',
+        target: 'local',
+        reachable: true,
+        manageable: true,
+        applied: 'config-only',
+        message: `Saved the local startup defaults, but the running proxy rejected the live update: ${(error as Error).message}`,
+      };
+    }
+
+    return {
+      ...values,
+      source: 'live',
+      target: target.isRemote ? 'remote' : 'local',
+      reachable: true,
+      manageable: true,
+      applied: target.isRemote ? 'live' : 'live-and-config',
+      message: target.isRemote
+        ? 'Updated the running remote CLIProxy. Local CCS config was not changed.'
+        : 'Updated the running local CLIProxy and saved the startup defaults.',
+    };
+  });
+}

src/cliproxy/routing/routing-strategy-http.ts

@@ -9,16 +9,38 @@ import {
 const ROUTING_TIMEOUT_MS = 5000;
 const CLIPROXY_ROUTING_MANAGEMENT_PATH = '/v0/management/routing/strategy';
 
+export type CliproxyRetryManagementSetting = 'request-retry' | 'max-retry-interval';
+
 export function getCliproxyRoutingManagementUrl(target: ProxyTarget): string {
   return buildProxyUrl(target, CLIPROXY_ROUTING_MANAGEMENT_PATH);
 }
 
+export function getCliproxyRetryManagementUrl(
+  target: ProxyTarget,
+  setting: CliproxyRetryManagementSetting
+): string {
+  return buildProxyUrl(target, `/v0/management/${setting}`);
+}
+
 export async function fetchCliproxyRoutingResponse(
   target: ProxyTarget,
   method: 'GET' | 'PUT',
   body?: Record<string, string>
 ): Promise<Response> {
-  const url = getCliproxyRoutingManagementUrl(target);
+  return fetchCliproxyManagementResponse(
+    target,
+    getCliproxyRoutingManagementUrl(target),
+    method,
+    body
+  );
+}
+
+async function fetchCliproxyManagementResponse(
+  target: ProxyTarget,
+  url: string,
+  method: 'GET' | 'PUT',
+  body?: Record<string, string | number>
+): Promise<Response> {
   const headers = buildManagementHeaders(
     target,
     body ? { 'Content-Type': 'application/json' } : {}
@@ -115,6 +137,20 @@ export async function fetchCliproxyRoutingResponse(
   });
 }
 
+export async function fetchCliproxyRetryResponse(
+  target: ProxyTarget,
+  setting: CliproxyRetryManagementSetting,
+  method: 'GET' | 'PUT',
+  value?: number
+): Promise<Response> {
+  return fetchCliproxyManagementResponse(
+    target,
+    getCliproxyRetryManagementUrl(target, setting),
+    method,
+    value === undefined ? undefined : { value }
+  );
+}
+
 export function getCliproxyRoutingTarget(): ProxyTarget {
   return getProxyTarget();
 }

src/web-server/routes/cliproxy-routing-routes.ts

@@ -8,6 +8,11 @@ import {
   readCliproxyRoutingState,
   readCliproxySessionAffinityState,
 } from '../../cliproxy/routing/routing-strategy';
+import {
+  applyCliproxyRetrySettings,
+  normalizeCliproxyRetryValue,
+  readCliproxyRetryState,
+} from '../../cliproxy/routing/retry-settings';
 import { requireLocalAccessWhenAuthDisabled } from '../middleware/auth-middleware';
 
 const router = Router();
@@ -84,4 +89,34 @@ router.put('/routing/session-affinity', async (req: Request, res: Response): Pro
   }
 });
 
+router.get('/retry', async (_req: Request, res: Response): Promise<void> => {
+  try {
+    res.json(await readCliproxyRetryState());
+  } catch (error) {
+    res.status(502).json({ error: (error as Error).message });
+  }
+});
+
+router.put('/retry', async (req: Request, res: Response): Promise<void> => {
+  const requestRetry = normalizeCliproxyRetryValue(req.body?.request_retry);
+  const maxRetryInterval = normalizeCliproxyRetryValue(req.body?.max_retry_interval);
+  if (requestRetry === null || maxRetryInterval === null) {
+    res.status(400).json({
+      error: 'Invalid retry payload. Use non-negative safe integers for both retry fields.',
+    });
+    return;
+  }
+
+  try {
+    res.json(
+      await applyCliproxyRetrySettings({
+        request_retry: requestRetry,
+        max_retry_interval: maxRetryInterval,
+      })
+    );
+  } catch (error) {
+    res.status(502).json({ error: (error as Error).message });
+  }
+});
+
 export default router;

tests/unit/web-server/cliproxy-routing-routes.test.ts

@@ -9,6 +9,8 @@ describe('cliproxy routing routes', () => {
   let applyStrategyMock: ReturnType<typeof mock>;
   let readAffinityStateMock: ReturnType<typeof mock>;
   let applyAffinityMock: ReturnType<typeof mock>;
+  let readRetryMock: ReturnType<typeof mock>;
+  let applyRetryMock: ReturnType<typeof mock>;
 
   beforeEach(async () => {
     readStateMock = mock(async () => ({
@@ -41,6 +43,23 @@ describe('cliproxy routing routes', () => {
       manageable: true,
       applied: 'config-only',
     }));
+    readRetryMock = mock(async () => ({
+      request_retry: 2,
+      max_retry_interval: 20,
+      source: 'live',
+      target: 'local',
+      reachable: true,
+      manageable: true,
+    }));
+    applyRetryMock = mock(async () => ({
+      request_retry: 3,
+      max_retry_interval: 30,
+      source: 'live',
+      target: 'local',
+      reachable: true,
+      manageable: true,
+      applied: 'live-and-config',
+    }));
 
     mock.module('../../../src/cliproxy/routing/routing-strategy', () => ({
       readCliproxyRoutingState: readStateMock,
@@ -62,6 +81,12 @@ describe('cliproxy routing routes', () => {
         return null;
       },
     }));
+    mock.module('../../../src/cliproxy/routing/retry-settings', () => ({
+      readCliproxyRetryState: readRetryMock,
+      applyCliproxyRetrySettings: applyRetryMock,
+      normalizeCliproxyRetryValue: (value: unknown) =>
+        typeof value === 'number' && Number.isSafeInteger(value) && value >= 0 ? value : null,
+    }));
 
     const { default: routingRoutes } = await import(
       `../../../src/web-server/routes/cliproxy-routing-routes?test=${Date.now()}-${Math.random()}`
@@ -180,4 +205,37 @@ describe('cliproxy routing routes', () => {
       applied: 'config-only',
     });
   });
+
+  it('returns and updates retry settings through the dedicated route', async () => {
+    const readResponse = await fetch(`${baseUrl}/api/cliproxy/retry`);
+    expect(readResponse.status).toBe(200);
+    expect((await readResponse.json()).request_retry).toBe(2);
+
+    const updateResponse = await fetch(`${baseUrl}/api/cliproxy/retry`, {
+      method: 'PUT',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({ request_retry: 3, max_retry_interval: 30 }),
+    });
+    expect(updateResponse.status).toBe(200);
+    expect(applyRetryMock).toHaveBeenCalledWith({
+      request_retry: 3,
+      max_retry_interval: 30,
+    });
+  });
+
+  it.each([
+    { request_retry: -1, max_retry_interval: 30 },
+    { request_retry: 1.5, max_retry_interval: 30 },
+    { request_retry: Number.MAX_SAFE_INTEGER + 1, max_retry_interval: 30 },
+    { request_retry: 1, max_retry_interval: '30' },
+  ])('rejects invalid retry payload %#', async (payload) => {
+    const response = await fetch(`${baseUrl}/api/cliproxy/retry`, {
+      method: 'PUT',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify(payload),
+    });
+
+    expect(response.status).toBe(400);
+    expect(applyRetryMock).not.toHaveBeenCalled();
+  });
 });

ui/src/components/cliproxy/cliproxy-retry-control.tsx

@@ -0,0 +1,112 @@
+import { useState } from 'react';
+import { useTranslation } from 'react-i18next';
+import { useCliproxyRetryConfig, useUpdateCliproxyRetryConfig } from '@/hooks/use-cliproxy';
+
+function parseRetryValue(value: string): number | null {
+  if (!/^\d+$/.test(value)) return null;
+  const parsed = Number(value);
+  return Number.isSafeInteger(parsed) ? parsed : null;
+}
+
+export function CliproxyRetryControl() {
+  const { t } = useTranslation();
+  const retryQuery = useCliproxyRetryConfig();
+  const updateRetry = useUpdateCliproxyRetryConfig();
+  const requestRetry = retryQuery.data?.request_retry ?? 0;
+  const maxRetryInterval = retryQuery.data?.max_retry_interval ?? 0;
+  const manageable = retryQuery.data?.manageable !== false;
+  const disabled =
+    retryQuery.isLoading || retryQuery.isError || updateRetry.isPending || !manageable;
+  const statusMessage = retryQuery.error?.message ?? retryQuery.data?.message;
+
+  return (
+    <div className="space-y-1.5">
+      <div className="flex items-center justify-between gap-2 rounded-lg border border-border/60 bg-muted/20 px-2 py-1.5">
+        <div className="min-w-0">
+          <div className="text-[10px] font-medium text-foreground">
+            {t('routingGuidance.retryTitle')}
+          </div>
+          <div className="text-[10px] text-muted-foreground">
+            {t('routingGuidance.retryHint')}
+            {retryQuery.data ? ` · ${retryQuery.data.source} · ${retryQuery.data.target}` : ''}
+          </div>
+        </div>
+        <RetryInputs
+          key={`${requestRetry}:${maxRetryInterval}`}
+          requestRetry={requestRetry}
+          maxRetryInterval={maxRetryInterval}
+          disabled={disabled}
+          onUpdate={(nextRequestRetry, nextMaxRetryInterval) =>
+            updateRetry.mutate({
+              request_retry: nextRequestRetry,
+              max_retry_interval: nextMaxRetryInterval,
+            })
+          }
+        />
+      </div>
+      {statusMessage ? (
+        <div className="rounded-lg border border-border/60 bg-muted/20 px-2 py-1.5 text-[10px] text-muted-foreground">
+          {statusMessage}
+        </div>
+      ) : null}
+    </div>
+  );
+}
+
+interface RetryInputsProps {
+  requestRetry: number;
+  maxRetryInterval: number;
+  disabled: boolean;
+  onUpdate: (requestRetry: number, maxRetryInterval: number) => void;
+}
+
+function RetryInputs({ requestRetry, maxRetryInterval, disabled, onUpdate }: RetryInputsProps) {
+  const { t } = useTranslation();
+  const [requestRetryInput, setRequestRetryInput] = useState(String(requestRetry));
+  const [maxRetryIntervalInput, setMaxRetryIntervalInput] = useState(String(maxRetryInterval));
+  const [fieldError, setFieldError] = useState<string | null>(null);
+
+  const handleBlur = () => {
+    if (disabled) return;
+    const nextRequestRetry = parseRetryValue(requestRetryInput.trim());
+    const nextMaxRetryInterval = parseRetryValue(maxRetryIntervalInput.trim());
+    if (nextRequestRetry === null || nextMaxRetryInterval === null) {
+      setFieldError(t('routingGuidance.retryRangeError'));
+      setRequestRetryInput(String(requestRetry));
+      setMaxRetryIntervalInput(String(maxRetryInterval));
+      return;
+    }
+
+    setFieldError(null);
+    if (nextRequestRetry !== requestRetry || nextMaxRetryInterval !== maxRetryInterval) {
+      onUpdate(nextRequestRetry, nextMaxRetryInterval);
+    }
+  };
+
+  return (
+    <div className="flex flex-col items-end gap-1">
+      <div className="flex items-center gap-1">
+        <input
+          aria-label={t('routingGuidance.requestRetryLabel')}
+          inputMode="numeric"
+          className="h-6 w-10 rounded border border-border/70 bg-background px-1.5 text-[10px] text-foreground"
+          value={requestRetryInput}
+          onChange={(event) => setRequestRetryInput(event.target.value)}
+          onBlur={handleBlur}
+          disabled={disabled}
+        />
+        <span className="text-[10px] text-muted-foreground">/</span>
+        <input
+          aria-label={t('routingGuidance.maxRetryIntervalLabel')}
+          inputMode="numeric"
+          className="h-6 w-10 rounded border border-border/70 bg-background px-1.5 text-[10px] text-foreground"
+          value={maxRetryIntervalInput}
+          onChange={(event) => setMaxRetryIntervalInput(event.target.value)}
+          onBlur={handleBlur}
+          disabled={disabled}
+        />
+      </div>
+      {fieldError ? <div className="text-[10px] text-destructive">{fieldError}</div> : null}
+    </div>
+  );
+}

ui/src/components/cliproxy/routing-guidance-card.tsx

@@ -7,15 +7,10 @@ import type {
   RoutingStrategy,
   CliproxySessionAffinityState,
 } from '@/lib/api-client';
-import { useCliproxyRetryConfig, useUpdateCliproxyRetryConfig } from '@/hooks/use-cliproxy';
+import { CliproxyRetryControl } from './cliproxy-retry-control';
 import { cn } from '@/lib/utils';
 import { useTranslation } from 'react-i18next';
 
-/** Retry fields accept only non-negative integers (matches the CLIProxy schema bounds). */
-function isValidRetryFieldValue(value: number): boolean {
-  return Number.isInteger(value) && value >= 0;
-}
-
 interface RoutingGuidanceCardProps {
   className?: string;
   compact?: boolean;
@@ -79,17 +74,6 @@ export function RoutingGuidanceCard({
   const pendingAffinityRef = useRef<{ enabled: boolean; ttl: string } | null>(null);
   const suppressNextAffinityBlurRef = useRef(false);
 
-  const retryConfigQuery = useCliproxyRetryConfig();
-  const updateRetryConfig = useUpdateCliproxyRetryConfig();
-  const currentRequestRetry = retryConfigQuery.data?.request_retry ?? 0;
-  const currentMaxRetryInterval = retryConfigQuery.data?.max_retry_interval ?? 0;
-  const [requestRetryInput, setRequestRetryInput] = useState(String(currentRequestRetry));
-  const [maxRetryIntervalInput, setMaxRetryIntervalInput] = useState(
-    String(currentMaxRetryInterval)
-  );
-  const [retryFieldError, setRetryFieldError] = useState<string | null>(null);
-  const retryControlDisabled = retryConfigQuery.isLoading || updateRetryConfig.isPending;
-
   useEffect(() => {
     setSelected(currentStrategy);
   }, [currentStrategy]);
@@ -99,11 +83,6 @@ export function RoutingGuidanceCard({
     setSelectedAffinityTtl(currentAffinityTtl);
   }, [currentAffinityEnabled, currentAffinityTtl]);
 
-  useEffect(() => {
-    setRequestRetryInput(String(currentRequestRetry));
-    setMaxRetryIntervalInput(String(currentMaxRetryInterval));
-  }, [currentRequestRetry, currentMaxRetryInterval]);
-
   useEffect(() => {
     if (isSaving || !pendingAffinityRef.current) {
       return;
@@ -144,34 +123,6 @@ export function RoutingGuidanceCard({
     onApplyAffinity({ enabled: selectedAffinityEnabled, ttl: nextTtl });
   };
 
-  const handleRetryBlur = () => {
-    const nextRequestRetry = Number(requestRetryInput.trim());
-    const nextMaxRetryInterval = Number(maxRetryIntervalInput.trim());
-
-    if (
-      !isValidRetryFieldValue(nextRequestRetry) ||
-      !isValidRetryFieldValue(nextMaxRetryInterval)
-    ) {
-      setRetryFieldError(t('routingGuidance.retryRangeError'));
-      setRequestRetryInput(String(currentRequestRetry));
-      setMaxRetryIntervalInput(String(currentMaxRetryInterval));
-      return;
-    }
-
-    setRetryFieldError(null);
-    if (
-      nextRequestRetry === currentRequestRetry &&
-      nextMaxRetryInterval === currentMaxRetryInterval
-    ) {
-      return;
-    }
-
-    updateRetryConfig.mutate({
-      request_retry: nextRequestRetry,
-      max_retry_interval: nextMaxRetryInterval,
-    });
-  };
-
   if (compact) {
     const handleApply = (s: RoutingStrategy) => {
       setSelected(s);
@@ -325,43 +276,7 @@ export function RoutingGuidanceCard({
           </div>
         ) : null}
 
-        <div className="flex items-center justify-between gap-2 rounded-lg border border-border/60 bg-muted/20 px-2 py-1.5">
-          <div className="min-w-0">
-            <div className="text-[10px] font-medium text-foreground">
-              {t('routingGuidance.retryTitle')}
-            </div>
-            <div className="text-[10px] text-muted-foreground">
-              {t('routingGuidance.retryHint')}
-            </div>
-          </div>
-          <div className="flex items-center gap-1">
-            <input
-              aria-label={t('routingGuidance.requestRetryLabel')}
-              inputMode="numeric"
-              className="h-6 w-10 rounded border border-border/70 bg-background px-1.5 text-[10px] text-foreground"
-              value={requestRetryInput}
-              onChange={(event) => setRequestRetryInput(event.target.value.replace(/\D/g, ''))}
-              onBlur={handleRetryBlur}
-              disabled={retryControlDisabled}
-            />
-            <span className="text-[10px] text-muted-foreground">/</span>
-            <input
-              aria-label={t('routingGuidance.maxRetryIntervalLabel')}
-              inputMode="numeric"
-              className="h-6 w-10 rounded border border-border/70 bg-background px-1.5 text-[10px] text-foreground"
-              value={maxRetryIntervalInput}
-              onChange={(event) => setMaxRetryIntervalInput(event.target.value.replace(/\D/g, ''))}
-              onBlur={handleRetryBlur}
-              disabled={retryControlDisabled}
-            />
-          </div>
-        </div>
-
-        {retryFieldError ? (
-          <div className="rounded-lg border border-destructive/25 bg-destructive/5 px-2 py-1.5 text-[10px] text-destructive">
-            {retryFieldError}
-          </div>
-        ) : null}
+        <CliproxyRetryControl />
       </div>
     );
   }

ui/src/hooks/use-cliproxy.ts

@@ -12,6 +12,8 @@ import {
   type CreatePreset,
   type RoutingStrategy,
   type CliproxySessionAffinityApplyResult,
+  type CliproxyRetryApplyResult,
+  type CliproxyRetryValues,
 } from '@/lib/api-client';
 import { toast } from 'sonner';
 import { useTranslation } from 'react-i18next';
@@ -106,57 +108,23 @@ export function useUpdateCliproxySessionAffinity() {
   });
 }
 
-/** CLIProxy request-retry config (config.cliproxy.retry). Defaults to disabled (0/0). */
-export interface CliproxyRetryConfig {
-  request_retry: number;
-  max_retry_interval: number;
-}
-
-const DEFAULT_CLIPROXY_RETRY_CONFIG: CliproxyRetryConfig = {
-  request_retry: 0,
-  max_retry_interval: 0,
-};
-
 export function useCliproxyRetryConfig() {
   return useQuery({
     queryKey: ['cliproxy-retry-config'],
-    queryFn: async (): Promise<CliproxyRetryConfig> => {
-      const config = await api.config.get();
-      const cliproxy = config.cliproxy as { retry?: Partial<CliproxyRetryConfig> } | undefined;
-      return {
-        request_retry:
-          cliproxy?.retry?.request_retry ?? DEFAULT_CLIPROXY_RETRY_CONFIG.request_retry,
-        max_retry_interval:
-          cliproxy?.retry?.max_retry_interval ?? DEFAULT_CLIPROXY_RETRY_CONFIG.max_retry_interval,
-      };
-    },
+    queryFn: () => api.cliproxy.getRetrySettings(),
   });
 }
 
-/**
- * Save CLIProxy retry config. Reuses the generic unified-config save path
- * (PUT /config) — retry is a static opt-in default, not a live-proxy setting
- * like routing.strategy/session_affinity, so it does not need a dedicated
- * management-API round trip.
- */
 export function useUpdateCliproxyRetryConfig() {
   const queryClient = useQueryClient();
   const { t } = useTranslation();
 
   return useMutation({
-    mutationFn: async (retry: CliproxyRetryConfig): Promise<CliproxyRetryConfig> => {
-      const config = await api.config.get();
-      const existingCliproxy = (config.cliproxy ?? {}) as Record<string, unknown>;
-      await api.config.update({
-        ...config,
-        cliproxy: { ...existingCliproxy, retry },
-      });
-      return retry;
-    },
-    onSuccess: (retry) => {
-      queryClient.setQueryData(['cliproxy-retry-config'], retry);
+    mutationFn: (retry: CliproxyRetryValues) => api.cliproxy.updateRetrySettings(retry),
+    onSuccess: (result: CliproxyRetryApplyResult) => {
+      queryClient.setQueryData(['cliproxy-retry-config'], result);
       queryClient.invalidateQueries({ queryKey: ['cliproxy-retry-config'] });
-      toast.success(t('toasts.cliproxyRetryUpdated'));
+      toast.success(result.message || t('toasts.cliproxyRetryUpdated'));
     },
     onError: (error: Error) => {
       toast.error(error.message);

ui/src/lib/api-client.ts

@@ -550,6 +550,23 @@ export interface CliproxySessionAffinityApplyResult extends CliproxySessionAffin
   applied: 'config-and-live' | 'config-only' | 'unsupported';
 }
 
+export interface CliproxyRetryValues {
+  request_retry: number;
+  max_retry_interval: number;
+}
+
+export interface CliproxyRetryState extends CliproxyRetryValues {
+  source: 'live' | 'config';
+  target: 'local' | 'remote';
+  reachable: boolean;
+  manageable: boolean;
+  message?: string;
+}
+
+export interface CliproxyRetryApplyResult extends CliproxyRetryState {
+  applied: 'live' | 'live-and-config' | 'config-only';
+}
+
 /** Auth file info for Config tab */
 export interface AuthFile {
   name: string;
@@ -1327,6 +1344,12 @@ export const api = {
         method: 'PUT',
         body: JSON.stringify(data),
       }),
+    getRetrySettings: () => request<CliproxyRetryState>('/cliproxy/retry'),
+    updateRetrySettings: (data: CliproxyRetryValues) =>
+      request<CliproxyRetryApplyResult>('/cliproxy/retry', {
+        method: 'PUT',
+        body: JSON.stringify(data),
+      }),
     aiProviders: {
       list: () => request<ListAiProvidersResult>('/cliproxy/ai-providers'),
       create: (family: AiProviderFamilyId, data: UpsertAiProviderEntryInput) =>

ui/tests/unit/components/cliproxy/cliproxy-retry-control.test.tsx

@@ -0,0 +1,90 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+import { fireEvent, render, screen } from '../../../setup/test-utils';
+import { CliproxyRetryControl } from '@/components/cliproxy/cliproxy-retry-control';
+
+const hookState = vi.hoisted(() => ({
+  query: {
+    data: {
+      request_retry: 2,
+      max_retry_interval: 20,
+      source: 'live' as const,
+      target: 'local' as const,
+      reachable: true,
+      manageable: true,
+      message: undefined as string | undefined,
+    },
+    isLoading: false,
+    isError: false,
+    error: null as Error | null,
+  },
+  mutation: {
+    isPending: false,
+    mutate: vi.fn(),
+  },
+}));
+
+vi.mock('@/hooks/use-cliproxy', () => ({
+  useCliproxyRetryConfig: () => hookState.query,
+  useUpdateCliproxyRetryConfig: () => hookState.mutation,
+}));
+
+describe('CliproxyRetryControl', () => {
+  beforeEach(() => {
+    hookState.query.data = {
+      request_retry: 2,
+      max_retry_interval: 20,
+      source: 'live',
+      target: 'local',
+      reachable: true,
+      manageable: true,
+      message: undefined,
+    };
+    hookState.query.isLoading = false;
+    hookState.query.isError = false;
+    hookState.query.error = null;
+    hookState.mutation.isPending = false;
+    hookState.mutation.mutate.mockReset();
+  });
+
+  it('updates the pair through the dedicated retry mutation', () => {
+    render(<CliproxyRetryControl />);
+    const requestRetry = screen.getByRole('textbox', { name: 'Request retry count' });
+    fireEvent.change(requestRetry, { target: { value: '4' } });
+    fireEvent.blur(requestRetry);
+
+    expect(hookState.mutation.mutate).toHaveBeenCalledWith({
+      request_retry: 4,
+      max_retry_interval: 20,
+    });
+    expect(screen.getByText(/live · local/i)).toBeInTheDocument();
+  });
+
+  it('rejects values outside the safe non-negative integer range', () => {
+    render(<CliproxyRetryControl />);
+    const requestRetry = screen.getByRole('textbox', { name: 'Request retry count' });
+    fireEvent.change(requestRetry, { target: { value: String(Number.MAX_SAFE_INTEGER + 1) } });
+    fireEvent.blur(requestRetry);
+
+    expect(hookState.mutation.mutate).not.toHaveBeenCalled();
+    expect(screen.getByText('Must be a whole number, 0 or greater.')).toBeInTheDocument();
+  });
+
+  it('disables editing on query errors, unmanageable state, or a pending update', () => {
+    hookState.query.isError = true;
+    hookState.query.error = new Error('Retry management unavailable');
+    const { rerender } = render(<CliproxyRetryControl />);
+    expect(screen.getByRole('textbox', { name: 'Request retry count' })).toBeDisabled();
+    expect(screen.getByText('Retry management unavailable')).toBeInTheDocument();
+
+    hookState.query.isError = false;
+    hookState.query.error = null;
+    hookState.query.data = { ...hookState.query.data, manageable: false };
+    rerender(<CliproxyRetryControl />);
+    expect(screen.getByRole('textbox', { name: 'Request retry count' })).toBeDisabled();
+
+    hookState.query.data = { ...hookState.query.data, manageable: true };
+    hookState.mutation.isPending = true;
+    rerender(<CliproxyRetryControl />);
+    expect(screen.getByRole('textbox', { name: 'Request retry count' })).toBeDisabled();
+  });
+});