fix: fix bun install bug (#62)

* fix: fix bun install bug

* refactor: consolidate executable check into assertExecutable helper

- Add assertExecutable() to cli-shared that checks and attempts chmod
- Simplify CLI and SDK spawn code to use the shared helper
- Fix cli-shared package.json exports (.js not .mjs)
- Add global install instructions to SDK error message

* chore(release): update version to 0.1.6-rc.1

* fix: add cli-shared package to Dockerfiles

* chore(release): update version to 0.1.6-rc.1

* fix: add cli-shared publishing to release workflow

* chore(release): update version to 0.1.6-rc.1

* fix: handle already-exists error during crate publish

* chore(release): update version to 0.1.6-rc.1

sdks/cli/bin/sandbox-agent

@@ -1,7 +1,38 @@
 #!/usr/bin/env node
 const { execFileSync } = require("child_process");
+const {
+  assertExecutable,
+  formatNonExecutableBinaryMessage,
+} = require("@sandbox-agent/cli-shared");
+const fs = require("fs");
 const path = require("path");
 
+const TRUST_PACKAGES =
+  "@sandbox-agent/cli-linux-x64 @sandbox-agent/cli-darwin-arm64 @sandbox-agent/cli-darwin-x64 @sandbox-agent/cli-win32-x64";
+
+function formatHint(binPath) {
+  return formatNonExecutableBinaryMessage({
+    binPath,
+    trustPackages: TRUST_PACKAGES,
+    bunInstallBlocks: [
+      {
+        label: "Project install",
+        commands: [
+          `bun pm trust ${TRUST_PACKAGES}`,
+          "bun add @sandbox-agent/cli",
+        ],
+      },
+      {
+        label: "Global install",
+        commands: [
+          `bun pm -g trust ${TRUST_PACKAGES}`,
+          "bun add -g @sandbox-agent/cli",
+        ],
+      },
+    ],
+  });
+}
+
 const PLATFORMS = {
   "darwin-arm64": "@sandbox-agent/cli-darwin-arm64",
   "darwin-x64": "@sandbox-agent/cli-darwin-x64",
@@ -19,7 +50,14 @@ if (!pkg) {
 try {
   const pkgPath = require.resolve(`${pkg}/package.json`);
   const bin = process.platform === "win32" ? "sandbox-agent.exe" : "sandbox-agent";
-  execFileSync(path.join(path.dirname(pkgPath), "bin", bin), process.argv.slice(2), { stdio: "inherit" });
+  const binPath = path.join(path.dirname(pkgPath), "bin", bin);
+
+  if (!assertExecutable(binPath, fs)) {
+    console.error(formatHint(binPath));
+    process.exit(1);
+  }
+
+  execFileSync(binPath, process.argv.slice(2), { stdio: "inherit" });
 } catch (e) {
   if (e.status !== undefined) process.exit(e.status);
   throw e;