Publish harness and TUI open-source

initial sync from the monorepo

crates/codegen/xai-grok-pager/npm/grok-linux-arm64/.gitignore

@@ -0,0 +1,4 @@
+bin/*.br
+bin/grok
+bin/grok.exe
+THIRD_PARTY_NOTICES.md

crates/codegen/xai-grok-pager/npm/grok-linux-arm64/README.md

@@ -0,0 +1,11 @@
+# @xai-official/grok-linux-arm64
+
+Platform-specific binary for [`@xai-official/grok`](https://www.npmjs.com/package/@xai-official/grok) on linux-arm64.
+
+Do not install this package directly. Install the main package instead:
+
+```sh
+npm install -g @xai-official/grok
+```
+
+The main package will automatically pull the correct binary for your platform via `optionalDependencies`.

crates/codegen/xai-grok-pager/npm/grok-linux-arm64/package.json

@@ -0,0 +1,19 @@
+{
+    "name": "@xai-official/grok-linux-arm64",
+    "version": "0.2.0-dev",
+    "description": "linux-arm64 binary for @xai-official/grok. Do not install directly; install @xai-official/grok instead.",
+    "license": "Apache-2.0",
+    "files": [
+        "bin/",
+        "THIRD_PARTY_NOTICES.md"
+    ],
+    "os": [
+        "linux"
+    ],
+    "cpu": [
+        "arm64"
+    ],
+    "publishConfig": {
+        "access": "public"
+    }
+}