Signed-off-by: Matt Bruce <mbrucedogs@gmail.com>

Baccarat/Baccarat/Engine/GameState.swift

@@ -929,20 +929,16 @@ final class GameState: SessionManagedGame {
         }
     }
     
-    // MARK: - Session History Management
+    // MARK: - Session Cleanup Hooks
     
-    /// Deletes a session from history by ID.
-    func deleteSession(id: UUID) {
-        sessionHistory.removeAll { $0.id == id }
+    /// Clean up round history when deleting a session.
+    func onWillDeleteSession(id: UUID) {
         sessionRoundHistories.removeValue(forKey: id.uuidString)
-        saveGameData()
     }
     
-    /// Deletes all session history.
-    func deleteAllSessionHistory() {
-        sessionHistory.removeAll()
+    /// Clean up all round histories when deleting all sessions.
+    func onWillDeleteAllSessions() {
         sessionRoundHistories.removeAll()
-        saveGameData()
     }
     
     // MARK: - Session Round History

Blackjack/Blackjack/Engine/GameState.swift

@@ -1204,20 +1204,6 @@ final class GameState: SessionManagedGame {
         allSessions.aggregatedBlackjackStats()
     }
     
-    // MARK: - Session History Management
-    
-    /// Deletes a session from history by ID.
-    func deleteSession(id: UUID) {
-        sessionHistory.removeAll { $0.id == id }
-        saveGameData()
-    }
-    
-    /// Deletes all session history.
-    func deleteAllSessionHistory() {
-        sessionHistory.removeAll()
-        saveGameData()
-    }
-    
     // MARK: - Game Reset
     
     /// Resets the entire game (keeps statistics).

CasinoKit/Sources/CasinoKit/Models/Session/SessionManager.swift

@@ -44,11 +44,23 @@ public protocol SessionManagedGame: AnyObject {
     /// Current game style identifier (e.g., "vegas", "european").
     var currentGameStyle: String { get }
     
+    /// Whether the end session confirmation dialog should be shown.
+    /// Games should bind this to their confirmation dialog.
+    var showEndSessionConfirmation: Bool { get set }
+    
     /// Called to persist game data after session changes.
     func saveGameData()
     
     /// Called when starting a new session to reset game-specific state.
     func resetForNewSession()
+    
+    /// Called before a session is deleted. Override to clean up associated data.
+    /// Default implementation does nothing.
+    func onWillDeleteSession(id: UUID)
+    
+    /// Called before all session history is deleted. Override to clean up associated data.
+    /// Default implementation does nothing.
+    func onWillDeleteAllSessions()
 }
 
 // MARK: - Default Session Management Implementation
@@ -170,6 +182,32 @@ extension SessionManagedGame {
     public func aggregatedStats(forStyle style: String) -> AggregatedSessionStats {
         sessions(forStyle: style).aggregatedStats()
     }
+    
+    // MARK: - Session History Management
+    
+    /// Default implementation - does nothing. Override to clean up session-specific data.
+    public func onWillDeleteSession(id: UUID) {
+        // Override in game to clean up associated data (e.g., round histories)
+    }
+    
+    /// Default implementation - does nothing. Override to clean up all session data.
+    public func onWillDeleteAllSessions() {
+        // Override in game to clean up associated data (e.g., round histories)
+    }
+    
+    /// Deletes a session from history by ID.
+    public func deleteSession(id: UUID) {
+        onWillDeleteSession(id: id)
+        sessionHistory.removeAll { $0.id == id }
+        saveGameData()
+    }
+    
+    /// Deletes all session history.
+    public func deleteAllSessionHistory() {
+        onWillDeleteAllSessions()
+        sessionHistory.removeAll()
+        saveGameData()
+    }
 }
 
 // MARK: - Session Formatter