fix: Add standard Server-Sent Events headers to StreamingResponse for improved client compatibility.

src/equipment/router.py

@@ -128,7 +128,14 @@ async def simulate_equipment(db_session: DbSession, assetnum: str):
         combined = {'prediksi': prediksi, 'hasil_eac': hasil_eac}
         yield f"data: {json.dumps({'status':'done','message':f'Simulation for {assetnum} completed successfully','data':combined})}\n\n"
 
-    return StreamingResponse(event_generator(), media_type='text/event-stream')
+    headers = {
+        "Content-Type": "text/event-stream",
+        "Cache-Control": "no-cache, no-transform",
+        "Connection": "keep-alive",
+        "X-Content-Type-Options": "nosniff",
+        "Content-Encoding": "none"
+    }
+    return StreamingResponse(event_generator(), media_type='text/event-stream', headers=headers)
 
 
 @router.get("/simulate-all")
@@ -171,7 +178,14 @@ async def simulate_all_equipment(db_session: DbSession):
                 
         yield f"data: {json.dumps({'status':'done', 'message':f'All simulations completed. Success: {success_count}, Errors: {error_count}'})}\\n\\n"
 
-    return StreamingResponse(event_generator(), media_type='text/event-stream')
+    headers = {
+        "Content-Type": "text/event-stream",
+        "Cache-Control": "no-cache, no-transform",
+        "Connection": "keep-alive",
+        "X-Content-Type-Options": "nosniff",
+        "Content-Encoding": "none"
+    }
+    return StreamingResponse(event_generator(), media_type='text/event-stream', headers=headers)
 
 @router.get(
     "/count-remaining-life",