fix(runner): compile descriptor bundles without import meta

packages/paperclip-runner/scripts/build-verified-provider-entrypoints.mjs

@@ -68,6 +68,14 @@ export async function bundleVerifiedProviderEntrypoints({ write = true } = {}) {
         treeShaking: true,
         write,
         logLevel: "silent",
+        define:
+          format === "cjs"
+            ? {
+                "import.meta.dirname": "__dirname",
+                "import.meta.url":
+                  'require("node:url").pathToFileURL(__filename).href',
+              }
+            : undefined,
       });
       assertSelfContainedBundle(entrypoint, result);
       return result;

packages/paperclip-runner/scripts/build-verified-provider-entrypoints.test.mjs

@@ -16,6 +16,11 @@ test("provider entrypoints include self-contained ESM and descriptor-safe Common
       const source = bundle.outputFiles[0].text;
       assert.match(source, /^#!\/usr\/bin\/env node\n/);
     }
+    assert.doesNotMatch(
+      verifiedResult.outputFiles[0].text,
+      /\bimport\.meta\b/,
+      entrypoint.name,
+    );
   }
 });