feat(fc3b): platforms + credentials Pinia stores + vitests

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

frontend/src/stores/credentials.js

@@ -0,0 +1,55 @@
+import { defineStore } from 'pinia'
+import { ref } from 'vue'
+import { useApi } from '../composables/useApi.js'
+
+export const useCredentialsStore = defineStore('credentials', () => {
+  const api = useApi()
+
+  const byPlatform = ref(new Map())
+  const extensionKey = ref(null)
+  const loading = ref(false)
+  const error = ref(null)
+
+  async function loadAll() {
+    loading.value = true
+    error.value = null
+    try {
+      const arr = await api.get('/api/credentials')
+      const m = new Map()
+      for (const c of arr) m.set(c.platform, c)
+      byPlatform.value = m
+    } catch (e) {
+      error.value = e
+    } finally {
+      loading.value = false
+    }
+  }
+
+  async function upload(platform, credential_type, data) {
+    const rec = await api.post('/api/credentials', {
+      body: { platform, credential_type, data },
+    })
+    byPlatform.value.delete(platform)
+    return rec
+  }
+
+  async function remove(platform) {
+    await api.delete(`/api/credentials/${platform}`)
+    byPlatform.value.delete(platform)
+  }
+
+  async function loadKey() {
+    const body = await api.get('/api/settings/extension_api_key')
+    extensionKey.value = body.key
+  }
+
+  async function rotateKey() {
+    const body = await api.post('/api/settings/extension_api_key/rotate')
+    extensionKey.value = body.key
+  }
+
+  return {
+    byPlatform, extensionKey, loading, error,
+    loadAll, upload, remove, loadKey, rotateKey,
+  }
+})

frontend/src/stores/platforms.js

@@ -0,0 +1,25 @@
+import { defineStore } from 'pinia'
+import { ref, computed } from 'vue'
+import { useApi } from '../composables/useApi.js'
+
+export const usePlatformsStore = defineStore('platforms', () => {
+  const api = useApi()
+
+  const byKey = ref(new Map())
+  const loaded = ref(false)
+
+  const list = computed(() => Array.from(byKey.value.values()))
+
+  async function loadAll() {
+    if (loaded.value) return
+    const body = await api.get('/api/platforms')
+    const m = new Map()
+    for (const [k, v] of Object.entries(body.platforms || {})) {
+      m.set(k, v)
+    }
+    byKey.value = m
+    loaded.value = true
+  }
+
+  return { byKey, loaded, list, loadAll }
+})