build: two-step for packages/vendor build and README

pnpm-lock.yaml

@@ -49,7 +49,7 @@ importers:
         version: 0.3.21
       tsdown:
         specifier: ^0.22.2
-        version: 0.22.2(oxc-resolver@11.20.0)(publint@0.3.21)(tsx@4.22.4)(typescript@6.0.3)
+        version: 0.22.2(oxc-resolver@11.20.0)(publint@0.3.21)(tsx@4.22.4)(typescript@6.0.3)(unrun@0.3.1)
       tsx:
         specifier: ^4.22.4
         version: 4.22.4
@@ -2620,6 +2620,16 @@ packages:
   unist-util-visit@5.1.0:
     resolution: {integrity: sha512-m+vIdyeCOpdr/QeQCu2EzxX/ohgS8KbnPDgFni4dQsfSCtpz8UqDyY5GjRru8PDKuYn7Fq19j1CQ+nJSsGKOzg==}
 
+  unrun@0.3.1:
+    resolution: {integrity: sha512-onIck/oNnCaytwths1ZVp1LK2Gq2hPoyFhiHebObuUXqR3S0uHuLLaBK8K6mRRgV7Ptip8AnNvaUsgzwWwBZuA==}
+    engines: {node: ^22.13.0 || >=24.0.0}
+    hasBin: true
+    peerDependencies:
+      synckit: ^0.11.11
+    peerDependenciesMeta:
+      synckit:
+        optional: true
+
   uri-js@4.4.1:
     resolution: {integrity: sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==}
 
@@ -4933,7 +4943,7 @@ snapshots:
     optionalDependencies:
       typescript: 6.0.3
 
-  tsdown@0.22.2(oxc-resolver@11.20.0)(publint@0.3.21)(tsx@4.22.4)(typescript@6.0.3):
+  tsdown@0.22.2(oxc-resolver@11.20.0)(publint@0.3.21)(tsx@4.22.4)(typescript@6.0.3)(unrun@0.3.1):
     dependencies:
       ansis: 4.3.1
       cac: 7.0.0
@@ -4954,6 +4964,7 @@ snapshots:
       publint: 0.3.21
       tsx: 4.22.4
       typescript: 6.0.3
+      unrun: 0.3.1
     transitivePeerDependencies:
       - '@ts-macro/tsc'
       - '@typescript/native-preview'
@@ -5015,6 +5026,11 @@ snapshots:
       unist-util-is: 6.0.1
       unist-util-visit-parents: 6.0.2
 
+  unrun@0.3.1:
+    dependencies:
+      rolldown: 1.1.1
+    optional: true
+
   uri-js@4.4.1:
     dependencies:
       punycode: 2.3.1