fix: add PNPM_HOME/bin to PATH for pnpm v11

pnpm v11 moved global binaries from PNPM_HOME to PNPM_HOME/bin.
Add the new bin subdirectory to PATH so that pnpm's global bin
directory check passes. This is backwards compatible — the extra
PATH entry is harmless for older pnpm versions.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/install-pnpm/run.ts

@@ -31,6 +31,7 @@ export async function runSelfInstaller(inputs: Inputs): Promise<number> {
 
   const pnpmHome = path.join(dest, 'node_modules', '.bin')
   addPath(pnpmHome)
+  addPath(path.join(pnpmHome, 'bin'))
   exportVariable('PNPM_HOME', pnpmHome)
 
   // Ensure pnpm bin link exists — npm ci sometimes doesn't create it

src/utils/index.ts

@@ -6,5 +6,5 @@ export const getBinDest = (inputs: Inputs): string => path.join(inputs.dest, 'no
 
 export const patchPnpmEnv = (inputs: Inputs): NodeJS.ProcessEnv => ({
   ...process.env,
-  PATH: getBinDest(inputs) + path.delimiter + process.env.PATH,
+  PATH: path.join(getBinDest(inputs), 'bin') + path.delimiter + getBinDest(inputs) + path.delimiter + process.env.PATH,
 })