Mint should check pending proofs and expired quotes regularly

cashu/mint/ledger.py

@@ -156,12 +156,18 @@ async def _startup_keysets(self) -> None:
             await self.activate_keyset(derivation_path=derivation_path)
 
     async def _run_regular_tasks(self) -> None:
-        try:
-            await self._check_pending_proofs_and_melt_quotes()
-            await asyncio.sleep(settings.mint_regular_tasks_interval_seconds)
-        except Exception as e:
-            logger.error(f"Ledger regular task failed: {e}")
-            await asyncio.sleep(60)
+        """
+        Runs periodic ledger maintenance tasks forever.
+        This function intentionally loops forever and is designed to be scheduled as a Task.
+        """
+        logger.info("Starting ledger regular tasks loop")
+        while True:
+            try:
+                await self._check_pending_proofs_and_melt_quotes()
+                await asyncio.sleep(settings.mint_regular_tasks_interval_seconds)
+            except Exception as e:
+                logger.error(f"Ledger regular task failed: {e}")
+                await asyncio.sleep(60)
 
     async def _check_backends(self) -> None:
         for method in self.backends: