feat(dashboard): add click-outside dismissal for autocomplete dropdown

Closes bd-3ny. Added mousedown listener that dismisses the dropdown when
clicking outside both the dropdown and textarea. Uses early return to avoid
registering listeners when dropdown is already closed.

bin/amc-server-restart

@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+# Restart the AMC server cleanly
+
+set -e
+
+PORT=7400
+
+# Find and kill existing server
+PID=$(lsof -ti :$PORT 2>/dev/null || true)
+if [[ -n "$PID" ]]; then
+    echo "Stopping AMC server (PID $PID)..."
+    kill "$PID" 2>/dev/null || true
+    sleep 1
+fi
+
+# Start server in background
+echo "Starting AMC server on port $PORT..."
+cd "$(dirname "$0")/.."
+nohup python3 -m amc_server.server > /tmp/amc-server.log 2>&1 &
+
+# Wait for startup
+sleep 1
+NEW_PID=$(lsof -ti :$PORT 2>/dev/null || true)
+if [[ -n "$NEW_PID" ]]; then
+    echo "AMC server running (PID $NEW_PID)"
+else
+    echo "Failed to start server. Check /tmp/amc-server.log"
+    exit 1
+fi