Add a Claude Code hook to install the gh CLI in web sessions (#17429)

.claude/hooks/session-start-web.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+set -euo pipefail
+
+# Install `gh`
+if ! command -v gh &> /dev/null; then
+    GH_VERSION="2.83.2"
+    mkdir -p ~/.local/bin
+    curl -sL "https://github.com/cli/cli/releases/download/v${GH_VERSION}/gh_${GH_VERSION}_linux_amd64.tar.gz" -o /tmp/gh.tar.gz
+    tar -xzf /tmp/gh.tar.gz -C /tmp
+    mv /tmp/gh_${GH_VERSION}_linux_amd64/bin/gh ~/.local/bin/
+    rm -rf /tmp/gh.tar.gz /tmp/gh_${GH_VERSION}_linux_amd64
+fi

.claude/hooks/session-start.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+set -euo pipefail
+
+# Dispatch to web hook if running remotely
+if [ "${CLAUDE_CODE_REMOTE:-}" = "true" ]; then
+  exec "$(dirname "$0")/session-start-web.sh"
+fi

.claude/settings.json

@@ -1,5 +1,16 @@
 {
   "hooks": {
+    "SessionStart": [
+      {
+        "matcher": "",
+        "hooks": [
+          {
+            "type": "command",
+            "command": ".claude/hooks/session-start.sh"
+          }
+        ]
+      }
+    ],
     "PostToolUse": [
       {
         "matcher": "Edit|Write|MultiEdit",