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.walk/out/settings.js

@@ -0,0 +1,26 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+const path = require("path");
+const fsScandir = require("@nodelib/fs.scandir");
+class Settings {
+    constructor(_options = {}) {
+        this._options = _options;
+        this.basePath = this._getValue(this._options.basePath, undefined);
+        this.concurrency = this._getValue(this._options.concurrency, Number.POSITIVE_INFINITY);
+        this.deepFilter = this._getValue(this._options.deepFilter, null);
+        this.entryFilter = this._getValue(this._options.entryFilter, null);
+        this.errorFilter = this._getValue(this._options.errorFilter, null);
+        this.pathSegmentSeparator = this._getValue(this._options.pathSegmentSeparator, path.sep);
+        this.fsScandirSettings = new fsScandir.Settings({
+            followSymbolicLinks: this._options.followSymbolicLinks,
+            fs: this._options.fs,
+            pathSegmentSeparator: this._options.pathSegmentSeparator,
+            stats: this._options.stats,
+            throwErrorOnBrokenSymbolicLink: this._options.throwErrorOnBrokenSymbolicLink
+        });
+    }
+    _getValue(option, value) {
+        return option !== null && option !== void 0 ? option : value;
+    }
+}
+exports.default = Settings;