feat: Upgrade database schema and migrate web search metadata

- Add database version 5 with schema updates
- Create `upgradeToV5` function to migrate Tavily web search metadata to new format
- Update types to support new web search metadata structure
- Minor code cleanup and formatting improvements

src/renderer/src/databases/index.ts

@@ -1,6 +1,8 @@
 import { FileType, KnowledgeItem, Topic, TranslateHistory } from '@renderer/types'
 import { Dexie, type EntityTable } from 'dexie'
 
+import { upgradeToV5 } from './upgrades'
+
 // Database declaration (move this to its own module also)
 export const db = new Dexie('CherryStudio') as Dexie & {
   files: EntityTable<FileType, 'id'>
@@ -35,4 +37,14 @@ db.version(4).stores({
   translate_history: '&id, sourceText, targetText, sourceLanguage, targetLanguage, createdAt'
 })
 
+db.version(5)
+  .stores({
+    files: 'id, name, origin_name, path, size, ext, type, created_at, count',
+    topics: '&id, messages',
+    settings: '&id, value',
+    knowledge_notes: '&id, baseId, type, content, created_at, updated_at',
+    translate_history: '&id, sourceText, targetText, sourceLanguage, targetLanguage, createdAt'
+  })
+  .upgrade((tx) => upgradeToV5(tx))
+
 export default db

src/renderer/src/databases/upgrades.ts

@@ -0,0 +1,30 @@
+import { Transaction } from 'dexie'
+
+export async function upgradeToV5(tx: Transaction): Promise<void> {
+  const topics = await tx.table('topics').toArray()
+
+  for (const topic of topics) {
+    let hasChanges = false
+
+    for (const message of topic.messages) {
+      if (message?.metadata?.tavily) {
+        hasChanges = true
+        const tavily = message.metadata.tavily
+        delete message.metadata.tavily
+        message.metadata.webSearch = {
+          query: tavily.query,
+          results:
+            tavily.results?.map((i) => ({
+              title: i.title,
+              url: i.url,
+              content: i.content
+            })) || []
+        }
+      }
+    }
+
+    if (hasChanges) {
+      await tx.table('topics').put(topic)
+    }
+  }
+}

src/renderer/src/providers/OpenAIProvider.ts

@@ -415,6 +415,7 @@ export default class OpenAIProvider extends BaseProvider {
         })
       }
     }
+
     const stream = await this.sdk.chat.completions
       // @ts-ignore key is not typed
       .create(

src/renderer/src/store/index.ts

@@ -34,7 +34,7 @@ const persistedReducer = persistReducer(
   {
     key: 'cherry-studio',
     storage,
-    version: 76,
+    version: 77,
     blacklist: ['runtime'],
     migrate
   },

src/renderer/src/store/migrate.ts

@@ -1230,6 +1230,7 @@ const migrateConfig = {
         delete p.enabled
       })
     }
+
     return state
   }
 }

src/renderer/src/types/index.ts

@@ -299,6 +299,7 @@ export type WebSearchResponse = {
   query?: string
   results: WebSearchResult[]
 }
+
 export type WebSearchResult = {
   title: string
   content: string