feat: add Plausible events for live log photos and OWM usage

Track Live Log Photo Uploaded and centralize OWM Weather Fetched with
source props for live log and entry editor call sites.

Co-authored-by: Cursor <cursoragent@cursor.com>

client/src/services/weather.test.ts

@@ -0,0 +1,61 @@
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
+import { PlausibleEvents } from './analytics.js'
+
+const apiFetch = vi.fn()
+const trackPlausibleEvent = vi.fn()
+
+vi.mock('./api.js', () => ({ apiFetch }))
+vi.mock('./analytics.js', async (importOriginal) => {
+  const actual = await importOriginal<typeof import('./analytics.js')>()
+  return {
+    ...actual,
+    trackPlausibleEvent: (...args: unknown[]) => trackPlausibleEvent(...args)
+  }
+})
+vi.mock('./userPreferences.js', () => ({
+  getOwmApiKeyForActiveUser: () => ''
+}))
+
+describe('fetchOpenWeatherCurrent', () => {
+  beforeEach(() => {
+    apiFetch.mockReset()
+    trackPlausibleEvent.mockReset()
+  })
+
+  afterEach(() => {
+    vi.unstubAllGlobals()
+  })
+
+  it('tracks OWM Weather Fetched on success when analyticsSource is set', async () => {
+    apiFetch.mockResolvedValue({
+      ok: true,
+      status: 200,
+      json: async () => ({ coord: { lat: 54, lon: 10 }, main: { temp: 20 } })
+    })
+
+    const { fetchOpenWeatherCurrent } = await import('./weather.js')
+    await fetchOpenWeatherCurrent(
+      { lat: '54.0', lon: '10.0' },
+      { analyticsSource: 'live_log' }
+    )
+
+    expect(trackPlausibleEvent).toHaveBeenCalledWith(PlausibleEvents.OWM_WEATHER_FETCHED, {
+      source: 'live_log'
+    })
+  })
+
+  it('does not track when the API request fails', async () => {
+    apiFetch.mockResolvedValue({
+      ok: false,
+      status: 500,
+      json: async () => ({ error: 'fail' })
+    })
+
+    const { fetchOpenWeatherCurrent, WeatherApiError } = await import('./weather.js')
+    await expect(
+      fetchOpenWeatherCurrent({ lat: '54', lon: '10' }, { analyticsSource: 'entry_editor' })
+    ).rejects.toBeInstanceOf(WeatherApiError)
+
+    expect(trackPlausibleEvent).not.toHaveBeenCalled()
+  })
+})