feat: Add presence heartbeat for Matrix online status

- matrix-gateway: POST /internal/matrix/presence/online endpoint
- usePresenceHeartbeat hook with activity tracking
- Auto away after 5 min inactivity
- Offline on page close/visibility change
- Integrated in MatrixChatRoom component

node_modules/@nodelib/fs.stat/out/index.js

@@ -0,0 +1,26 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.statSync = exports.stat = exports.Settings = void 0;
+const async = require("./providers/async");
+const sync = require("./providers/sync");
+const settings_1 = require("./settings");
+exports.Settings = settings_1.default;
+function stat(path, optionsOrSettingsOrCallback, callback) {
+    if (typeof optionsOrSettingsOrCallback === 'function') {
+        async.read(path, getSettings(), optionsOrSettingsOrCallback);
+        return;
+    }
+    async.read(path, getSettings(optionsOrSettingsOrCallback), callback);
+}
+exports.stat = stat;
+function statSync(path, optionsOrSettings) {
+    const settings = getSettings(optionsOrSettings);
+    return sync.read(path, settings);
+}
+exports.statSync = statSync;
+function getSettings(settingsOrOptions = {}) {
+    if (settingsOrOptions instanceof settings_1.default) {
+        return settingsOrOptions;
+    }
+    return new settings_1.default(settingsOrOptions);
+}