fix: make all recursive local relative imports explicit with .ts extensions to resolve ESM worker thread module failures

src/database/schema.ts

@@ -14,7 +14,7 @@ import {
   sqliteTable,
   text as sqliteText,
 } from "drizzle-orm/sqlite-core";
-import { config } from "../config";
+import { config } from "../config.ts";
 
 // PostgreSQL Schema
 // ==================