feat: Implement privacy modernization plan

src/types/privacy.ts

@@ -0,0 +1,58 @@
+/**
+ * Privacy Types
+ * 
+ * Centralized type definitions for user privacy settings.
+ * 
+ * Storage:
+ * - ProfilePrivacySettings: stored in profiles table
+ * - PrivacySettings: stored in user_preferences.privacy_settings (JSONB)
+ * 
+ * Security:
+ * - All privacy settings are validated with Zod before database writes
+ * - Changes are logged to profile_audit_log for compliance
+ * - RLS policies ensure users can only modify their own settings
+ */
+
+/**
+ * Privacy settings stored in user_preferences.privacy_settings
+ */
+export interface PrivacySettings {
+  activity_visibility: 'public' | 'private';
+  search_visibility: boolean;
+  show_location: boolean;
+  show_age: boolean;
+  show_avatar: boolean;
+  show_bio: boolean;
+  show_activity_stats: boolean;
+  show_home_park: boolean;
+}
+
+/**
+ * Profile-level privacy settings
+ */
+export interface ProfilePrivacySettings {
+  privacy_level: 'public' | 'private';
+  show_pronouns: boolean;
+}
+
+/**
+ * Combined form data for privacy tab
+ */
+export interface PrivacyFormData extends ProfilePrivacySettings, PrivacySettings {}
+
+/**
+ * User block information
+ */
+export interface UserBlock {
+  id: string;
+  blocker_id: string;
+  blocked_id: string;
+  reason?: string;
+  created_at: string;
+  blocked_profile?: {
+    user_id: string;
+    username: string;
+    display_name?: string;
+    avatar_url?: string;
+  };
+}