feat: theme color

src/login.ts

@@ -23,6 +23,7 @@ export interface LoginSession {
   muted: ReplaceableTags;
   cards: ReplaceableTags;
   emojis: Array<EmojiPack>;
+  color?: string;
 }
 
 const initialState = {
@@ -114,6 +115,12 @@ export class LoginStore extends ExternalStore<LoginSession | undefined> {
     this.#save();
   }
 
+  setColor(color: string) {
+    if (!this.#session) return;
+    this.#session.color = color;
+    this.#save();
+  }
+
   #save() {
     if (this.#session) {
       window.localStorage.setItem(SESSION_KEY, JSON.stringify(this.#session));