Remove platform and arch options from dlxBinary

Users should never request binaries for platforms they aren't running on since
they cannot be executed. The function now always uses the current system's
platform and architecture.

Author: jdalton

registry/src/lib/dlx-binary.ts

@@ -27,10 +27,6 @@ export interface DlxBinaryOptions {
   cacheTtl?: number | undefined
   /** Force re-download even if cached. */
   force?: boolean | undefined
-  /** Platform override (defaults to current platform). */
-  platform?: NodeJS.Platform | undefined
-  /** Architecture override (defaults to current arch). */
-  arch?: string | undefined
   /** Additional spawn options. */
   spawnOptions?: SpawnOptions | undefined
 }
@@ -235,12 +231,10 @@ export async function dlxBinary(
   spawnExtra?: SpawnExtra | undefined,
 ): Promise<DlxBinaryResult> {
   const {
-    arch = os.arch(),
     cacheTtl = DLX_BINARY_CACHE_TTL,
     checksum,
     force = false,
     name,
-    platform: targetPlatform = process.platform,
     spawnOptions,
     url,
   } = { __proto__: null, ...options } as DlxBinaryOptions
@@ -249,7 +243,7 @@ export async function dlxBinary(
   const cacheDir = getDlxCachePath()
   const cacheKey = generateCacheKey(url)
   const cacheEntryDir = path.join(cacheDir, cacheKey)
-  const binaryName = name || `binary-${targetPlatform}-${arch}`
+  const binaryName = name || `binary-${process.platform}-${os.arch()}`
   const binaryPath = normalizePath(path.join(cacheEntryDir, binaryName))
 
   let downloaded = false

test/registry/dlx-binary.test.mts

@@ -229,17 +229,6 @@ describe('dlx-binary', () => {
       expect(metadata).toHaveProperty('timestamp')
       expect(metadata).toHaveProperty('url')
     })
-
-    it('should handle platform and arch overrides', async () => {
-      const { binaryPath } = await dlxBinary(['--version'], {
-        arch: 'arm64',
-        platform: 'linux',
-        spawnOptions: { cwd: tmpDir },
-        url: `${baseUrl}/test-binary?test=platform-override`,
-      })
-
-      expect(binaryPath).toContain('linux-arm64')
-    })
   })
 
   describe('listDlxCache', () => {