feat: re-enable connection indicator for SSE status

Add ConnectionIndicator to Connect 4 game page (Snake already had it).
Both games now patch the indicator on initial connect and every 10s
heartbeat, giving users visual feedback that SSE is connected.

features/c4game/handlers.go

@@ -14,6 +14,7 @@ import (
 	"github.com/ryanhamamura/games/connect4"
 	"github.com/ryanhamamura/games/features/c4game/pages"
 	"github.com/ryanhamamura/games/features/c4game/services"
+	sharedcomponents "github.com/ryanhamamura/games/features/common/components"
 	"github.com/ryanhamamura/games/sessions"
 )
 
@@ -112,7 +113,10 @@ func HandleGameEvents(store *connect4.Store, svc *services.GameService, sm *scs.
 			return sse.PatchElementTempl(pages.GameContent(g, myColor, room.Messages(), chatCfg))
 		}
 
-		// Send initial state
+		// Send initial connection indicator and state
+		if err := sse.PatchElementTempl(sharedcomponents.ConnectionIndicator(time.Now().UnixMilli())); err != nil {
+			return
+		}
 		if err := patchAll(); err != nil {
 			return
 		}
@@ -147,7 +151,10 @@ func HandleGameEvents(store *connect4.Store, svc *services.GameService, sm *scs.
 				}
 
 			case <-heartbeat.C:
-				// Heartbeat just keeps the connection alive by triggering a game state refresh
+				// Heartbeat updates connection indicator and refreshes game state
+				if err := sse.PatchElementTempl(sharedcomponents.ConnectionIndicator(time.Now().UnixMilli())); err != nil {
+					return
+				}
 				if err := patchAll(); err != nil {
 					return
 				}

features/c4game/pages/game.templ

@@ -18,6 +18,7 @@ templ GamePage(g *connect4.Game, myColor int, messages []chat.Message, chatCfg c
 			data-signals="{chatMsg: ''}"
 			data-init={ fmt.Sprintf("@get('/games/%s/events',{requestCancellation:'disabled'})", g.ID) }
 		>
+			@sharedcomponents.ConnectionIndicator(0)
 			@GameContent(g, myColor, messages, chatCfg)
 		</main>
 	}

features/snakegame/handlers.go

@@ -12,6 +12,7 @@ import (
 
 	"github.com/ryanhamamura/games/chat"
 	chatcomponents "github.com/ryanhamamura/games/chat/components"
+	sharedcomponents "github.com/ryanhamamura/games/features/common/components"
 	"github.com/ryanhamamura/games/features/snakegame/pages"
 	"github.com/ryanhamamura/games/features/snakegame/services"
 	"github.com/ryanhamamura/games/sessions"
@@ -117,7 +118,10 @@ func HandleSnakeEvents(snakeStore *snake.SnakeStore, svc *services.GameService,
 			return sse.PatchElementTempl(pages.GameContent(sg, mySlot, chatMessages(), chatCfg, gameID))
 		}
 
-		// Send initial render
+		// Send initial connection indicator and render
+		if err := sse.PatchElementTempl(sharedcomponents.ConnectionIndicator(time.Now().UnixMilli())); err != nil {
+			return
+		}
 		if err := patchAll(); err != nil {
 			return
 		}
@@ -141,7 +145,10 @@ func HandleSnakeEvents(snakeStore *snake.SnakeStore, svc *services.GameService,
 				return
 
 			case <-heartbeat.C:
-				// Heartbeat just refreshes game state
+				// Heartbeat updates connection indicator and refreshes game state
+				if err := sse.PatchElementTempl(sharedcomponents.ConnectionIndicator(time.Now().UnixMilli())); err != nil {
+					return
+				}
 				if err := patchAll(); err != nil {
 					return
 				}