feat(api, web): тест Telegram из формы, подсказки ошибок API и UX настроек

Тест отправки использует значения формы без предварительного сохранения; пустой токен при сохранении не затирает сохранённый. Добавлены подсказки по частым ошибкам Telegram API и колонка ошибок в журнале уведомлений.

Co-authored-by: Cursor <[email protected]>

apps/api/src/routes/settings.test.ts

@@ -10,8 +10,9 @@ describe('settings telegram test', () => {
   beforeEach(async () => {
     resetTestDb()
     settingsRepository.upsert('settings-main', {
-      telegramBotToken: 'token',
+      telegramBotToken: 'db-token',
       telegramChatId: '123',
+      telegramMessageThreadId: '99',
     })
     app = await buildApp()
   })
@@ -22,7 +23,7 @@ describe('settings telegram test', () => {
     closeDb()
   })
 
-  it('returns telegram API error', async () => {
+  it('returns telegram API error with hint', async () => {
     vi.stubGlobal(
       'fetch',
       vi.fn(async () =>
@@ -34,5 +35,49 @@ describe('settings telegram test', () => {
     const body = res.json() as { ok: boolean; error?: string }
     expect(body.ok).toBe(false)
     expect(body.error).toContain('chat not found')
+    expect(body.error).toContain('Chat ID')
+  })
+
+  it('uses body overrides and falls back to db token', async () => {
+    const fetchMock = vi.fn(async () => Response.json({ ok: true }))
+    vi.stubGlobal('fetch', fetchMock)
+
+    const res = await app.inject({
+      method: 'POST',
+      url: '/api/settings/telegram/test',
+      payload: {
+        telegramChatId: '-100999',
+        telegramMessageThreadId: '42',
+      },
+    })
+    expect(res.statusCode).toBe(200)
+    const body = res.json() as { ok: boolean }
+    expect(body.ok).toBe(true)
+
+    const call = fetchMock.mock.calls[0] as [string, RequestInit] | undefined
+    expect(call).toBeDefined()
+    const sent = JSON.parse(String(call![1].body)) as {
+      chat_id: string
+      message_thread_id: number
+    }
+    expect(sent.chat_id).toBe('-100999')
+    expect(sent.message_thread_id).toBe(42)
+  })
+
+  it('uses body token when provided', async () => {
+    const fetchMock = vi.fn(async () => Response.json({ ok: true }))
+    vi.stubGlobal('fetch', fetchMock)
+
+    await app.inject({
+      method: 'POST',
+      url: '/api/settings/telegram/test',
+      payload: {
+        telegramBotToken: 'override-token',
+        telegramChatId: '-1001',
+      },
+    })
+
+    const url = String((fetchMock.mock.calls[0] as [string])[0])
+    expect(url).toContain('botoverride-token/')
   })
 })