feat: 品牌替换 + 启动优化 + AGENTS.md 模板定制

- 品牌替换：OpenCode/opencode → AirCoding/aircoding（16+ 文件）
- Logo ASCII art：修复 left/right 行数不匹配导致的启动崩溃
- 启动诊断：添加 OPENCODE_PRINT_TIMING 计时探针
- dev 模式默认 --pure 跳过外部插件加载
- AGENTS.md 模板：追加 AirCoding 多 Agent 专项段落
- architect prompt + plugin：强化 AGENTS.md 产出验证

packages/stats/core/drizzle.config.ts

@@ -0,0 +1,21 @@
+import { Resource } from "sst/resource"
+import { defineConfig } from "drizzle-kit"
+
+export default defineConfig({
+  dialect: "mysql",
+  schema: ["./src/database/schema.ts"],
+  // schema: ["./src/**/*.sql.ts"],
+  out: "./migrations/",
+  strict: true,
+  verbose: true,
+  dbCredentials: {
+    database: Resource.StatsDatabase.database,
+    host: Resource.StatsDatabase.host,
+    user: Resource.StatsDatabase.username,
+    password: Resource.StatsDatabase.password,
+    port: Resource.StatsDatabase.port,
+    ssl: {
+      rejectUnauthorized: false,
+    },
+  },
+})