pref: change the database type to SQLite

app/lib/.server/llm/chat-stream-text.ts

@@ -80,7 +80,7 @@ ${Object.entries(context)
 
   return _streamText({
     model,
-    tools,
+    tools: tools(),
     system: systemPrompt,
     maxOutputTokens: maxTokens || MAX_TOKENS,
     messages: convertToModelMessages(messages),

app/lib/.server/llm/tools/index.ts

@@ -1,9 +1,17 @@
+import type { Tool, ToolSet } from 'ai';
 import { serperTool } from './serper';
 import { weatherTool } from './weather';
 
-export const tools = {
-  serper: serperTool,
-  weather: weatherTool,
-};
+export const tools: () => ToolSet = () => {
+  const tools: Record<string, Tool> = {};
 
-export { serperTool, weatherTool };
+  if (process.env.SERPER_API_KEY) {
+    tools.serper = serperTool;
+  }
+
+  if (process.env.WEATHER_API_KEY) {
+    tools.weather = weatherTool;
+  }
+
+  return tools;
+};

app/lib/.server/prisma.ts

@@ -1,3 +1,4 @@
+import { PrismaBetterSQLite3 } from '@prisma/adapter-better-sqlite3';
 import { PrismaClient } from '@prisma/client';
 
 // 创建PrismaClient实例
@@ -7,13 +8,18 @@ declare global {
   var __db: PrismaClient | undefined;
 }
 
+const adapter = new PrismaBetterSQLite3({
+  url: 'file:data/upage.db',
+});
+
 // 在开发环境中使用全局变量，避免热重载时创建多个实例
 if (process.env.NODE_ENV === 'production') {
-  prisma = new PrismaClient();
+  prisma = new PrismaClient({ adapter });
 } else {
   if (!global.__db) {
     global.__db = new PrismaClient({
       log: ['query', 'error', 'warn'],
+      adapter,
     });
   }
   prisma = global.__db;