Update app.py

app.py

@@ -55,9 +55,17 @@ def load_state():
         print("Starting fresh")
     return state
 
-def save_state(state):
-    with open(STATE_FILE, "w") as f:
-        json.dump(state, f, indent=2)
+def save_state(state, retries=3, delay=5):
+    for attempt in range(retries):
+        try:
+            with open(STATE_FILE, "w") as f:
+                json.dump(state, f, indent=2)
+            return
+        except OSError as e:
+            print(f"  ⚠ State save attempt {attempt + 1} failed: {e}")
+            if attempt < retries - 1:
+                time.sleep(delay)
+    print("  ✗ State save failed after all retries — continuing")
 
 # ── Shard buffers — global per language, persist across parquets ─────────────
 buffers = {}