feat(v3​.1​.0): add ​Store​Kit integration and ​Pro tier

• implement Purchase​Service using StoreKit 2
• activate feature tiers based on entitlement
• add minimal paywall and restore flow
• enforce free-tier limits with upgrade paths
• integrate Pro status into settings
• ensure clean and non-intrusive monetization flow

1 files changed, 1 insertions, 1 deletions

diff --git a/DomainDig/AppVersion.swift b/DomainDig/AppVersion.swift
index 1a6861a..d9f3fc7 100644
--- a/DomainDig/AppVersion.swift
+++ b/DomainDig/AppVersion.swift
@@ -2,6 +2,6 @@ import Foundation
 
 enum AppVersion {
     static var current: String {
-        "3.0.0"
+        "3.1.0"
     }
 }