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-network-app/node_modules/tailwindcss/resolveConfig.d.ts

@@ -0,0 +1,31 @@
+import { Config, ResolvableTo, ThemeConfig } from './types/config'
+import { DefaultTheme } from './types/generated/default-theme'
+import { DefaultColors } from './types/generated/colors'
+
+type ResolvedConfig<T extends Config> = Omit<T, 'theme'> & {
+  theme: MergeThemes<
+    UnwrapResolvables<Omit<T['theme'], 'extend'>>,
+    T['theme'] extends { extend: infer TExtend } ? UnwrapResolvables<TExtend> : {}
+  >
+}
+
+type UnwrapResolvables<T> = {
+  [K in keyof T]: T[K] extends ResolvableTo<infer R> ? R : T[K]
+}
+
+type ThemeConfigResolved = UnwrapResolvables<ThemeConfig>
+type DefaultThemeFull = DefaultTheme & { colors: DefaultColors }
+
+type MergeThemes<Overrides extends object, Extensions extends object> = {
+  [K in keyof ThemeConfigResolved | keyof Overrides]: (K extends keyof Overrides
+    ? Overrides[K]
+    : K extends keyof DefaultThemeFull
+    ? DefaultThemeFull[K]
+    : K extends keyof ThemeConfigResolved
+    ? ThemeConfigResolved[K]
+    : never) &
+    (K extends keyof Extensions ? Extensions[K] : {})
+}
+
+declare function resolveConfig<T extends Config>(config: T): ResolvedConfig<T>
+export = resolveConfig