v2 backcompat: server legacy package (#2206)

Co-authored-by: Felix Weinberger <3823880+felixweinberger@users.noreply.github.com>

packages/server-legacy/tsdown.config.ts

@@ -0,0 +1,24 @@
+import { defineConfig } from 'tsdown';
+
+export default defineConfig({
+    failOnWarn: 'ci-only',
+    entry: ['src/index.ts', 'src/sse/index.ts', 'src/auth/index.ts'],
+    format: ['esm'],
+    outDir: 'dist',
+    clean: true,
+    sourcemap: true,
+    target: 'esnext',
+    platform: 'node',
+    shims: true,
+    dts: {
+        resolver: 'tsc',
+        compilerOptions: {
+            baseUrl: '.',
+            paths: {
+                '@modelcontextprotocol/core': ['../core/src/index.ts'],
+                '@modelcontextprotocol/core/public': ['../core/src/exports/public/index.ts']
+            }
+        }
+    },
+    noExternal: ['@modelcontextprotocol/core']
+});