Add light build requiring bun installed

justfile

@@ -17,13 +17,22 @@ start:
 check:
     bun run lint && bun run typecheck && bun run test
 
-# Build CLI binary (smallest possible)
+build: build-cli build-bundle
+    @ls -lah dist/bin/
+
+# Build CLI binary (standalone, ~100MB, no deps)
 build-cli:
     mkdir -p dist/bin
     bun build --compile --minify --sourcemap=none src/cli.ts --outfile dist/bin/claude-remote
 
+# Build CLI bundle (small, requires bun installed)
+build-bundle:
+    mkdir -p dist/bin
+    bun build --minify --target bun src/cli.ts --outfile dist/bin/claude-remote.js
+    chmod +x dist/bin/claude-remote.js
+
 # Docker build
-build:
+build-image:
     docker build -t claude-remote .
 
 up:

src/cli.ts

@@ -2,6 +2,13 @@
 
 // PTY wrapper for claude CLI
 
+// Check for Bun runtime (only fails when running bundled .js with Node)
+if (typeof Bun === "undefined") {
+  console.error("claude-remote requires Bun to run.");
+  console.error("Install Bun: https://bun.sh");
+  process.exit(1);
+}
+
 import type { IPty } from "bun-pty";
 import { spawn } from "bun-pty";
 import type { ClientMessage, ServerMessage } from "./types";