chore: 恢复旧布局基线（迁移改动丢失后重建，apps/packages 布局暂存）

src/dsn.ts

@@ -0,0 +1,64 @@
+import type { DriverId } from "./catalog";
+import { driverById } from "./catalog";
+
+const PROTO: Record<string, DriverId> = {
+  mysql: "mysql",
+  mariadb: "mariadb",
+  postgres: "postgresql",
+  postgresql: "postgresql",
+  redis: "redis",
+  sqlite: "sqlite",
+  file: "sqlite",
+  sqlserver: "sqlserver",
+  mssql: "sqlserver",
+  oracle: "oracle",
+  tidb: "tidb",
+  mongodb: "mongodb",
+  mongo: "mongodb",
+  oceanbase: "oceanbase",
+  gaussdb: "gaussdb",
+  opengauss: "gaussdb",
+  polardb: "polardb",
+  tdsql: "tdsql",
+  kingbase: "kingbase",
+  dameng: "dameng",
+};
+
+export type ParsedDSN = {
+  driver: DriverId;
+  host?: string;
+  port?: number;
+  user?: string;
+  password?: string;
+  database?: string;
+  ssl?: boolean;
+};
+
+/** 粘贴 mysql:// / postgres:// / redis:// / sqlite: 路径即可拆字段 */
+export function parseDSN(raw: string): ParsedDSN | null {
+  const s = raw.trim();
+  if (!s) return null;
+  if (/^[a-zA-Z]:[\\/]/.test(s) || s.startsWith("/") || s.endsWith(".db") || s.endsWith(".sqlite")) {
+    return { driver: "sqlite", database: s };
+  }
+  try {
+    const u = new URL(s.includes("://") ? s : `mysql://${s}`);
+    const proto = u.protocol.replace(":", "").toLowerCase();
+    const driver = PROTO[proto];
+    if (!driver) return null;
+    const database = decodeURIComponent(u.pathname.replace(/^\/+/, ""));
+    const port = u.port ? Number(u.port) : driverById(driver)?.defaultPort;
+    const ssl = u.searchParams.get("sslmode") === "require" || u.searchParams.get("ssl") === "true";
+    return {
+      driver,
+      host: u.hostname || undefined,
+      port: port || undefined,
+      user: decodeURIComponent(u.username || "") || undefined,
+      password: decodeURIComponent(u.password || "") || undefined,
+      database: database || undefined,
+      ssl,
+    };
+  } catch {
+    return null;
+  }
+}