refactor: use Nuxt 4 directory structure

app/stores/config.ts

@@ -0,0 +1,109 @@
+import { skipHydrate } from 'pinia'
+import type { Locale } from '@/components/LangSwitcher.vue'
+
+export type ConfigAiProvider =
+  | 'openai-compatible'
+  | 'siliconflow'
+  | 'openrouter'
+  | 'deepseek'
+  | 'ollama'
+
+export type ConfigWebSearchProvider = 'tavily' | 'firecrawl'
+
+export interface ConfigAi {
+  provider: ConfigAiProvider
+  apiKey?: string
+  apiBase?: string
+  model: string
+  contextSize?: number
+}
+export interface ConfigWebSearch {
+  provider: ConfigWebSearchProvider
+  apiKey?: string
+  /** API base. Currently only works with Firecrawl */
+  apiBase?: string
+  /** Force the LLM to generate serp queries in a certain language */
+  searchLanguage?: Locale
+  /** Limit the number of concurrent tasks globally */
+  concurrencyLimit?: number
+  /** Tavily: use advanced search to retrieve higher quality results */
+  tavilyAdvancedSearch?: boolean
+  /** Tavily: search topic. Defaults to `general` */
+  tavilySearchTopic?: 'general' | 'news' | 'finance'
+}
+
+export interface Config {
+  ai: ConfigAi
+  webSearch: ConfigWebSearch
+}
+
+function validateConfig(config: Config) {
+  const ai = config.ai
+  if (ai.provider !== 'ollama' && !ai.apiKey) return false
+  if (typeof ai.contextSize !== 'undefined' && ai.contextSize < 0) return false
+
+  const ws = config.webSearch
+  if (ws.provider === 'tavily' && !ws.apiKey) return false
+  // Either apiBase or apiKey is required for firecrawl
+  if (ws.provider === 'firecrawl' && !ws.apiBase && !ws.apiKey) return false
+  if (typeof ws.concurrencyLimit !== 'undefined' && ws.concurrencyLimit! < 1)
+    return false
+  return true
+}
+
+export const useConfigStore = defineStore('config', () => {
+  const config = useLocalStorage<Config>('deep-research-config', {
+    ai: {
+      provider: 'openai-compatible',
+      model: '',
+      contextSize: 128_000,
+    },
+    webSearch: {
+      provider: 'tavily',
+      concurrencyLimit: 2,
+    },
+  } satisfies Config)
+  // The version user dismissed the update notification
+  const dismissUpdateVersion = useLocalStorage<string>(
+    'dismiss-update-version',
+    '',
+  )
+  const isConfigValid = computed(() => validateConfig(config.value))
+
+  const aiApiBase = computed(() => {
+    const { ai } = config.value
+    if (ai.provider === 'openrouter') {
+      return ai.apiBase || 'https://openrouter.ai/api/v1'
+    }
+    if (ai.provider === 'deepseek') {
+      return ai.apiBase || 'https://api.deepseek.com/v1'
+    }
+    if (ai.provider === 'ollama') {
+      return ai.apiBase || 'http://localhost:11434/v1'
+    }
+    if (ai.provider === 'siliconflow') {
+      return ai.apiBase || 'https://api.siliconflow.cn/v1'
+    }
+    return ai.apiBase || 'https://api.openai.com/v1'
+  })
+  const webSearchApiBase = computed(() => {
+    const { webSearch } = config.value
+    if (webSearch.provider === 'tavily') {
+      return
+    }
+    if (webSearch.provider === 'firecrawl') {
+      return webSearch.apiBase || 'https://api.firecrawl.dev'
+    }
+  })
+
+  const showConfigManager = ref(false)
+
+  return {
+    config: skipHydrate(config),
+    isConfigValid,
+    aiApiBase,
+    webSearchApiBase,
+    showConfigManager,
+    dismissUpdateVersion: skipHydrate(dismissUpdateVersion),
+  }
+})