test sse fixes

src/app/routes/api/events.$.ts

@@ -37,13 +37,22 @@ export const Route = createFileRoute("/api/events/$")({
                   clearInterval(pingInterval);
                   return;
                 }
-                const pingMessage = `data: ${JSON.stringify({ type: "ping" })}\n\n`;
+                const pingMessage = `data: ${JSON.stringify({ type: "ping", timestamp: Date.now() })}\n\n`;
                 controller.enqueue(new TextEncoder().encode(pingMessage));
               } catch (e) {
                 logger.error("ServerEvents | Ping interval error", e);
                 clearInterval(pingInterval);
               }
-            }, 30000);
+            }, 15000);
+
+            setTimeout(() => {
+              try {
+                const heartbeatMessage = `data: ${JSON.stringify({ type: "heartbeat", timestamp: Date.now() })}\n\n`;
+                controller.enqueue(new TextEncoder().encode(heartbeatMessage));
+              } catch (e) {
+                logger.error("ServerEvents | Heartbeat error", e);
+              }
+            }, 1000);
 
             const cleanup = () => {
               serverEvents.off("test", handleEvent);
@@ -63,6 +72,9 @@ export const Route = createFileRoute("/api/events/$")({
             "Access-Control-Allow-Origin": "*",
             "Access-Control-Allow-Headers": "Cache-Control",
             "X-Accel-Buffering": "no",
+            "X-Proxy-Buffering": "no",
+            "Proxy-Buffering": "off",
+            "Transfer-Encoding": "chunked",
           },
         });
       },

src/hooks/use-server-events.ts

@@ -19,6 +19,7 @@ const eventHandlers: Record<string, EventHandler> = {
     logger.info("New Connection");
   },
   "ping": () => {},
+  "heartbeat": () => {},
   "match": (event, queryClient) => {
     queryClient.invalidateQueries(tournamentQueries.details(event.tournamentId))
     queryClient.invalidateQueries(tournamentQueries.current())
@@ -73,15 +74,15 @@ export function useServerEvents() {
         logger.error("SSE connection error", error);
         eventSource.close();
 
-        if (shouldConnectRef.current && retryCountRef.current < 5) {
+        if (shouldConnectRef.current && retryCountRef.current < 10) {
           retryCountRef.current += 1;
           const delay = Math.min(
-            1000 * Math.pow(2, retryCountRef.current - 1),
-            30000
+            1000 * Math.pow(1.5, retryCountRef.current - 1),
+            15000
           );
 
           logger.info(
-            `SSE reconnection attempt ${retryCountRef.current}/5 in ${delay}ms`
+            `SSE reconnection attempt ${retryCountRef.current}/10 in ${delay}ms`
           );
 
           timeoutRef.current = setTimeout(() => {
@@ -89,7 +90,7 @@ export function useServerEvents() {
               connectEventSource();
             }
           }, delay);
-        } else if (retryCountRef.current >= 5) {
+        } else if (retryCountRef.current >= 10) {
           logger.error("SSE max reconnection attempts reached");
         }
       };