view data fixes

apps/website/lib/display-objects/AvatarDisplay.ts

@@ -19,9 +19,10 @@ export class AvatarDisplay {
 
   /**
    * Determines if avatar data is valid for display.
+   * Accepts base64-encoded string buffer.
    */
-  static hasValidData(buffer: ArrayBuffer, contentType: string): boolean {
-    return buffer.byteLength > 0 && contentType.length > 0;
+  static hasValidData(buffer: string, contentType: string): boolean {
+    return buffer.length > 0 && contentType.length > 0;
   }
 
   /**

apps/website/lib/display-objects/LeagueCreationStatusDisplay.ts

@@ -0,0 +1,14 @@
+/**
+ * LeagueCreationStatusDisplay
+ *
+ * Deterministic mapping of league creation status to display messages.
+ */
+
+export class LeagueCreationStatusDisplay {
+  /**
+   * Maps league creation success status to display message.
+   */
+  static statusMessage(success: boolean): string {
+    return success ? 'League created successfully!' : 'Failed to create league.';
+  }
+}

apps/website/lib/display-objects/RatingTrendDisplay.ts

@@ -0,0 +1,15 @@
+export class RatingTrendDisplay {
+  static getTrend(currentRating: number, previousRating: number | undefined): 'up' | 'down' | 'same' {
+    if (!previousRating) return 'same';
+    if (currentRating > previousRating) return 'up';
+    if (currentRating < previousRating) return 'down';
+    return 'same';
+  }
+
+  static getChangeIndicator(currentRating: number, previousRating: number | undefined): string {
+    const change = previousRating ? currentRating - previousRating : 0;
+    if (change > 0) return `+${change}`;
+    if (change < 0) return `${change}`;
+    return '0';
+  }
+}

apps/website/lib/display-objects/SkillLevelIconDisplay.ts

@@ -0,0 +1,11 @@
+export class SkillLevelIconDisplay {
+  static getIcon(skillLevel: string): string {
+    const icons: Record<string, string> = {
+      beginner: '🥉',
+      intermediate: '🥈',
+      advanced: '🥇',
+      expert: '👑',
+    };
+    return icons[skillLevel] || '🏁';
+  }
+}

apps/website/lib/display-objects/TeamCreationStatusDisplay.ts

@@ -0,0 +1,14 @@
+/**
+ * TeamCreationStatusDisplay
+ *
+ * Deterministic mapping of team creation status to display messages.
+ */
+
+export class TeamCreationStatusDisplay {
+  /**
+   * Maps team creation success status to display message.
+   */
+  static statusMessage(success: boolean): string {
+    return success ? 'Team created successfully!' : 'Failed to create team.';
+  }
+}