fix(plugins): separate source and package launcher modules

package.json

@@ -63,8 +63,6 @@
     "bridge/mitmproxy/capture.py",
     "scripts/rea.mjs",
     "scripts/plugin-mcp-launcher.mjs",
-    "src/application/PackageRunnerCommand.mjs",
-    "src/application/PackageRunnerCommand.d.mts",
     "scripts/rea-android-workspace-guardian.mjs",
     "scripts/electron-active-hook.cjs",
     "scripts/electron-active-hook-boundaries.cjs",

scripts/plugin-mcp-launcher.mjs

@@ -7,8 +7,6 @@ import { constants, tmpdir } from "node:os";
 import { join } from "node:path";
 import { fileURLToPath } from "node:url";
 
-import { packageRunnerCommand } from "../src/application/PackageRunnerCommand.mjs";
-
 // Keep the package name at the launcher boundary so release automation updates
 // only a scalar version in plugin JSON, never a compound package specifier.
 // No build, dependency installation or ambient latest-version lookup is needed
@@ -53,6 +51,12 @@ async function launch(packageSpecifier) {
     return;
   }
 
+  const runnerModule = await import(
+    (await isGitSourceCheckout())
+      ? "../src/application/PackageRunnerCommand.mjs"
+      : "../dist/application/PackageRunnerCommand.mjs",
+  );
+  const { packageRunnerCommand } = runnerModule;
   const [command, ...args] = packageRunnerCommand(
     "npx",
     packageSpecifier,
@@ -137,6 +141,16 @@ async function launch(packageSpecifier) {
   });
 }
 
+async function isGitSourceCheckout() {
+  try {
+    await access(new URL("../.git", import.meta.url));
+    return true;
+  } catch (cause) {
+    if (isMissing(cause)) return false;
+    throw cause;
+  }
+}
+
 async function launchWindowsFallback(command, args, workingDirectory) {
   let spawnOwnedProviderProcess;
   try {

scripts/verify-package-pack.mjs

@@ -100,8 +100,6 @@ export async function verifyPackagePack({ root, workspace }) {
     throw new Error("Packaged Codex MCP server declaration is missing");
   for (const path of [
     "scripts/plugin-mcp-launcher.mjs",
-    "src/application/PackageRunnerCommand.mjs",
-    "src/application/PackageRunnerCommand.d.mts",
     "dist/application/PackageRunnerCommand.mjs",
   ])
     if (!packedFiles.includes(`package/${path}`))