v0.12.0 migrate sqlite3 to psql18, updated auth, deploy docs, account and replay updates

internal/server/game/game.go

@@ -26,11 +26,12 @@ type MoveResult struct {
 }
 
 type Game struct {
-	snapshots  []Snapshot
-	players    map[core.Color]*core.Player
-	state      core.State
-	lastResult *MoveResult
-	endTimeUTC *time.Time
+	snapshots    []Snapshot
+	players      map[core.Color]*core.Player
+	state        core.State
+	lastResult   *MoveResult
+	endTimeUTC   *time.Time
+	lastActivity time.Time // last create, move, undo, reconfiguration, or state change
 }
 
 // View is an immutable copy of the state needed by processors and transports.
@@ -133,10 +134,6 @@ func (g *Game) SetLastResult(result *MoveResult) {
 	g.lastResult = &copy
 }
 
-func (g *Game) LastResult() *MoveResult {
-	return g.lastResult
-}
-
 // CurrentSnapshot returns the latest game snapshot
 func (g *Game) CurrentSnapshot() Snapshot {
 	return g.snapshots[len(g.snapshots)-1]
@@ -217,11 +214,8 @@ func (g *Game) State() core.State {
 	return g.state
 }
 
-func (g *Game) SetState(s core.State) {
-	g.SetStateAt(s, time.Now().UTC())
-}
-
 func (g *Game) SetStateAt(s core.State, at time.Time) {
+	g.Touch(at)
 	if s.IsTerminal() {
 		if !g.state.IsTerminal() || g.endTimeUTC == nil {
 			ended := at.UTC()
@@ -233,6 +227,28 @@ func (g *Game) SetStateAt(s core.State, at time.Time) {
 	g.state = s
 }
 
+// Touch records activity at the given time; earlier times are ignored.
+func (g *Game) Touch(at time.Time) {
+	if at.After(g.lastActivity) {
+		g.lastActivity = at
+	}
+}
+
+// LastActivity returns the latest time passed to Touch.
+func (g *Game) LastActivity() time.Time {
+	return g.lastActivity
+}
+
+// IsClaimed reports whether a registered user claimed either slot.
+func (g *Game) IsClaimed() bool {
+	for _, player := range g.players {
+		if player != nil && player.ClaimedBy != "" {
+			return true
+		}
+	}
+	return false
+}
+
 func (g *Game) EndTimeUTC() *time.Time {
 	if g.endTimeUTC == nil {
 		return nil
@@ -278,11 +294,6 @@ func (g *Game) GetSlotOwner(color core.Color) string {
 	return player.ClaimedBy
 }
 
-// IsSlotClaimedBy checks if a specific user owns the slot
-func (g *Game) IsSlotClaimedBy(color core.Color, userID string) bool {
-	return g.GetSlotOwner(color) == userID
-}
-
 // HasComputerPlayer returns true if at least one player is computer
 func (g *Game) HasComputerPlayer() bool {
 	white := g.players[core.ColorWhite]