fix(i18n): code-ize health signals and drop silent zh locale defaults

apps/desktop/src/main/__tests__/assistant-stream.test.ts

@@ -22,9 +22,18 @@ import { describe, it } from 'node:test';
 import {
   ASSISTANT_MAX_DELTA_CHARS,
   ASSISTANT_MAX_TOTAL_CHARS,
-  applyAssistantComplete,
-  applyAssistantDelta,
+  applyAssistantComplete as applyAssistantCompleteWithLocale,
+  applyAssistantDelta as applyAssistantDeltaWithLocale,
 } from '@maka/ui/assistant-stream';
+// Tests exercise stream mechanics, not copy; pin zh so markers stay verbatim.
+const applyAssistantDelta = (prev: string, delta: string, options?: Partial<Parameters<typeof applyAssistantDeltaWithLocale>[2]>) =>
+  applyAssistantDeltaWithLocale(prev, delta, { locale: 'zh', ...options });
+const applyAssistantComplete = (text: string, options?: Partial<Parameters<typeof applyAssistantCompleteWithLocale>[1]>) =>
+  applyAssistantCompleteWithLocale(text, { locale: 'zh', ...options });
+
+
+
+
 
 function visibleDeltaResult(result: ReturnType<typeof applyAssistantDelta>) {
   return {

apps/desktop/src/main/__tests__/health-center-copy.test.ts

@@ -19,6 +19,7 @@
 
 import assert from 'node:assert/strict';
 import { test } from 'node:test';
+import { connectionLastTestMessageDisplay } from '../../renderer/features/connection-settings/index.js';
 import { getHealthCenterCopy } from '../../renderer/locales/settings-health-copy.js';
 
 test('labels blocker counts as global across filtered health views', () => {
@@ -31,3 +32,75 @@ test('labels blocker counts as global across filtered health views', () => {
     'Across all health signals, 1 of 6 blocks sending',
   );
 });
+
+const signal = (overrides: Partial<import('@maka/core/health').HealthSignal>): import('@maka/core/health').HealthSignal => ({
+  id: 'connection:demo',
+  label: 'Demo',
+  scope: 'llm_connection',
+  layer: 'configuration',
+  status: 'info',
+  source: 'settings',
+  checkedAt: 0,
+  message: 'not_default_source',
+  ...overrides,
+});
+
+test('renders configuration message codes distinctly in both locales', () => {
+  const zh = getHealthCenterCopy('zh');
+  const en = getHealthCenterCopy('en');
+  assert.equal(zh.signalMessage(signal({ message: 'not_default_source' })), '不是工作区的默认模型来源。');
+  assert.equal(en.signalMessage(signal({ message: 'not_default_source' })), 'Not the workspace default model source.');
+  assert.equal(zh.signalMessage(signal({ message: 'no_models_enabled' })), '没有启用任何模型。');
+  assert.equal(en.signalMessage(signal({ message: 'no_models_enabled' })), 'No models are enabled on this connection.');
+});
+
+test('renders runtime probe details from structured params, not string parsing', () => {
+  const detail = { kind: 'runtime_probe_result', modelId: 'claude-sonnet-5', latencyMs: 812, errorClass: 'timeout' } as const;
+  assert.equal(
+    getHealthCenterCopy('zh').signalDetail(signal({ detail })),
+    '模型=claude-sonnet-5 · 延迟=812ms · 错误类型=timeout',
+  );
+  assert.equal(
+    getHealthCenterCopy('en').signalDetail(signal({ detail })),
+    'Model=claude-sonnet-5 · Latency=812ms · Error type=timeout',
+  );
+});
+
+test('degrades capability reasons safely in both locales', () => {
+  const unknown = { kind: 'capability_reason', reason: 'Discord rejected the Bot Token.' } as const;
+  assert.equal(
+    getHealthCenterCopy('zh').signalDetail(signal({ detail: unknown })),
+    '状态详情请见对应设置页。',
+  );
+  assert.equal(
+    getHealthCenterCopy('en').signalDetail(signal({ detail: unknown })),
+    'See the corresponding settings page for details.',
+  );
+});
+
+test('maps connection test error classes without exposing machine tokens', () => {
+  const auth = { kind: 'last_test_error_class', errorClass: 'auth' } as const;
+  assert.equal(getHealthCenterCopy('zh').signalDetail(signal({ detail: auth })), '鉴权失败');
+  assert.equal(getHealthCenterCopy('en').signalDetail(signal({ detail: auth })), 'Authentication failed');
+
+  const unknown = { kind: 'last_test_message', text: 'future_error_class' } as const;
+  assert.equal(
+    getHealthCenterCopy('zh').signalDetail(signal({ detail: unknown })),
+    '连接测试状态暂时无法显示，请重新测试。',
+  );
+  assert.equal(
+    getHealthCenterCopy('en').signalDetail(signal({ detail: unknown })),
+    'The connection test status is temporarily unavailable. Test again.',
+  );
+});
+
+test('maps connection test error classes in connection details', () => {
+  assert.equal(connectionLastTestMessageDisplay('auth', 'zh'), '鉴权失败');
+  assert.equal(connectionLastTestMessageDisplay('auth', 'en'), 'Authentication failed');
+});
+
+test('suffixes runtime signal labels per locale from the id, not the producer', () => {
+  const runtime = signal({ id: 'connection:demo:runtime', label: 'Demo' });
+  assert.equal(getHealthCenterCopy('zh').signalLabel(runtime), 'Demo 运行态');
+  assert.equal(getHealthCenterCopy('en').signalLabel(runtime), 'Demo runtime');
+});

apps/desktop/src/main/__tests__/thinking-stream.test.ts

@@ -21,7 +21,16 @@
 
 import { strict as assert } from 'node:assert';
 import { describe, it } from 'node:test';
-import { applyThinkingComplete, applyThinkingDelta } from '@maka/ui';
+import { applyThinkingComplete as applyThinkingCompleteWithLocale, applyThinkingDelta as applyThinkingDeltaWithLocale } from '@maka/ui';
+// Tests exercise stream mechanics, not copy; pin zh so markers stay verbatim.
+const applyThinkingDelta = (prev: string, delta: string, options?: Partial<Parameters<typeof applyThinkingDeltaWithLocale>[2]>) =>
+  applyThinkingDeltaWithLocale(prev, delta, { locale: 'zh', ...options });
+const applyThinkingComplete = (text: string, options?: Partial<Parameters<typeof applyThinkingCompleteWithLocale>[1]>) =>
+  applyThinkingCompleteWithLocale(text, { locale: 'zh', ...options });
+
+
+
+
 
 describe('applyThinkingDelta — secondary redaction', () => {
   it('masks raw `Authorization: Bearer ...` text before storing', () => {

apps/desktop/src/main/__tests__/tool-output-stream.test.ts

@@ -48,9 +48,15 @@ import {
   TOOL_STREAM_MAX_CHUNKS,
   TOOL_STREAM_MAX_CHUNK_CHARS,
   TOOL_STREAM_MAX_TOTAL_CHARS,
-  applyToolOutputChunk,
+  applyToolOutputChunk as applyToolOutputChunkWithLocale,
   type ToolOutputChunk,
 } from '@maka/ui';
+// Tests exercise stream mechanics, not copy; pin zh so markers stay verbatim.
+const applyToolOutputChunk = (prev: Parameters<typeof applyToolOutputChunkWithLocale>[0], chunk: Parameters<typeof applyToolOutputChunkWithLocale>[1], options?: Partial<Parameters<typeof applyToolOutputChunkWithLocale>[2]>) =>
+  applyToolOutputChunkWithLocale(prev, chunk, { locale: 'zh', ...options });
+
+
+
 
 function chunk(seq: number, text: string, stream: 'stdout' | 'stderr' = 'stdout', redacted = false): ToolOutputChunk {
   return { seq, text, stream, redacted, createdAt: 1_700_000_000_000 + seq };

apps/desktop/src/renderer/features/connection-settings/settings-provider-copy.ts

@@ -165,6 +165,7 @@ const zhCopy = {
     categories: { oauth: 'OAuth', domestic: '国内', overseas: '海外', local: '本地', custom: 'Custom' },
     connectionStatuses: { retired: '已停用 · 请删除', reauth: '需要重新登录', disabledFailed: '暂不可用 · 上次连接失败', disabled: '暂不可用', failed: '上次连接失败' },
     lastTest: {
+      auth: '鉴权失败', timeout: '请求超时', provider_unavailable: '模型服务返回错误', network: '网络错误', invalid_response: '模型服务返回错误', unknown: '连接测试失败',
       '连接已验证': '连接已验证', '鉴权失败': '鉴权失败', '请求超时': '请求超时', '网络错误': '网络错误', '模型服务返回错误': '模型服务返回错误', '连接测试失败': '连接测试失败',
       'connection verified': '连接已验证', 'authentication failed': '鉴权失败', 'request timed out': '请求超时', 'network error': '网络错误', 'provider returned an error': '模型服务返回错误', 'connection test failed': '连接测试失败',
       'claude oauth 未登录。': 'Claude OAuth 未登录。', 'claude oauth 本地凭据读取失败。': 'Claude OAuth 本地凭据读取失败。', 'claude oauth 需要重新登录。': 'Claude OAuth 需要重新登录。', 'claude oauth 已登录。': 'Claude OAuth 已登录。', 'claude oauth 已退出登录。': 'Claude OAuth 已退出登录。',
@@ -325,6 +326,7 @@ const enCopy: ProviderSettingsCopy = {
     categories: { oauth: 'OAuth', domestic: 'China', overseas: 'Global', local: 'Local', custom: 'Custom' },
     connectionStatuses: { retired: 'Retired · delete it', reauth: 'Sign-in required', disabledFailed: 'Unavailable · last connection failed', disabled: 'Unavailable', failed: 'Last connection failed' },
     lastTest: {
+      auth: 'Authentication failed', timeout: 'Request timed out', provider_unavailable: 'Model service returned an error', network: 'Network error', invalid_response: 'Model service returned an error', unknown: 'Connection test failed',
       '连接已验证': 'Connection verified', '鉴权失败': 'Authentication failed', '请求超时': 'Request timed out', '网络错误': 'Network error', '模型服务返回错误': 'Model service returned an error', '连接测试失败': 'Connection test failed',
       'connection verified': 'Connection verified', 'authentication failed': 'Authentication failed', 'request timed out': 'Request timed out', 'network error': 'Network error', 'provider returned an error': 'Model service returned an error', 'connection test failed': 'Connection test failed',
       'claude oauth 未登录。': 'Claude OAuth is signed out.', 'claude oauth 本地凭据读取失败。': 'Could not read local Claude OAuth credentials.', 'claude oauth 需要重新登录。': 'Claude OAuth requires sign-in.', 'claude oauth 已登录。': 'Claude OAuth is signed in.', 'claude oauth 已退出登录。': 'Claude OAuth signed out.',