add warp terminal guard and start notificatoin

Author: harryalbert

plugins/warp/scripts/on-session-start.sh

@@ -1,20 +1,34 @@
 #!/bin/bash
 # Hook script for Claude Code SessionStart event
-# Shows welcome message and Warp detection status
+# Shows welcome message, Warp detection status, and emits plugin version
 
-# Check if running in Warp terminal
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+source "$SCRIPT_DIR/build-payload.sh"
+
+# Read hook input from stdin
+INPUT=$(cat)
+
+# Read plugin version from plugin.json
+PLUGIN_VERSION=$(jq -r '.version // "unknown"' "$SCRIPT_DIR/../.claude-plugin/plugin.json" 2>/dev/null)
+
+# Emit structured notification with plugin version so Warp can track it
+BODY=$(build_payload "$INPUT" "session_start" \
+    --arg plugin_version "$PLUGIN_VERSION")
+"$SCRIPT_DIR/warp-notify.sh" "warp://cli-agent" "$BODY"
+
+# Output system message for the Claude Code UI
 if [ "$TERM_PROGRAM" = "WarpTerminal" ]; then
     # Running in Warp - notifications will work
-    cat << 'EOF'
+    cat << EOF
 {
-  "systemMessage": "🔔 Warp plugin active. You'll receive native Warp notifications when tasks complete or input is needed."
+  "systemMessage": "🔔 Warp plugin v${PLUGIN_VERSION} active. You'll receive native Warp notifications when tasks complete or input is needed."
 }
 EOF
 else
     # Not running in Warp - suggest installing
-    cat << 'EOF'
+    cat << EOF
 {
-  "systemMessage": "ℹ️ Warp plugin installed but you're not running in Warp terminal. Install Warp (https://warp.dev) to get native notifications when Claude completes tasks or needs input."
+  "systemMessage": "ℹ️ Warp plugin v${PLUGIN_VERSION} installed but you're not running in Warp terminal. Install Warp (https://warp.dev) to get native notifications when Claude completes tasks or needs input."
 }
 EOF
 fi

plugins/warp/scripts/warp-notify.sh

@@ -5,6 +5,13 @@
 # For structured Warp notifications, title should be "warp://cli-agent"
 # and body should be a JSON string matching the cli-agent notification schema.
 
+# Only emit notifications when running in Warp.
+# Otherwise, folks that use warp _and_ another terminal will get
+# garbled notifications whenever they run claude elsewhere.
+if [ "$TERM_PROGRAM" != "WarpTerminal" ]; then
+    exit 0
+fi
+
 TITLE="${1:-Notification}"
 BODY="${2:-}"