Add AskUserQuestion hook

plugins/warp/hooks/hooks.json

@@ -62,6 +62,17 @@
           }
         ]
       }
+    ],
+    "PreToolUse": [
+      {
+        "matcher": "AskUserQuestion",
+        "hooks": [
+          {
+            "type": "command",
+            "command": "${CLAUDE_PLUGIN_ROOT}/scripts/on-ask-user-question.sh"
+          }
+        ]
+      }
     ]
   }
 }

plugins/warp/scripts/on-ask-user-question.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+# Hook script for Claude Code PreToolUse event on AskUserQuestion
+# Sends a structured Warp notification when Claude asks the user a question,
+# transitioning the session status to Blocked until the user answers.
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+source "$SCRIPT_DIR/should-use-structured.sh"
+
+# No legacy equivalent for this hook
+if ! should_use_structured; then
+    exit 0
+fi
+
+source "$SCRIPT_DIR/build-payload.sh"
+
+# Read hook input from stdin
+INPUT=$(cat)
+
+# AskUserQuestion supports 1-4 questions. Surface the first question's text as
+# the notification summary; if Claude asks more than one in the same call,
+# answering any of them unblocks the session.
+SUMMARY=$(echo "$INPUT" | jq -r '.tool_input.questions[0].question // "Claude is asking a question"' 2>/dev/null)
+
+# Truncate for notification display
+if [ -n "$SUMMARY" ] && [ ${#SUMMARY} -gt 200 ]; then
+    SUMMARY="${SUMMARY:0:197}..."
+fi
+
+BODY=$(build_payload "$INPUT" "question_asked" \
+    --arg summary "$SUMMARY")
+
+"$SCRIPT_DIR/warp-notify.sh" "warp://cli-agent" "$BODY"

plugins/warp/tests/test-hooks.sh

@@ -218,7 +218,7 @@ assert_eq "legacy Warp shows active message" \
 echo ""
 echo "--- Modern-only hooks exit silently without protocol version ---"
 
-for HOOK in on-permission-request.sh on-prompt-submit.sh on-post-tool-use.sh; do
+for HOOK in on-permission-request.sh on-prompt-submit.sh on-post-tool-use.sh on-ask-user-question.sh; do
     echo '{}' | bash "$HOOK_DIR/$HOOK" 2>/dev/null
     assert_eq "$HOOK exits 0 without protocol version" "0" "$?"
 done