fix(recovery): implement early exit in tool output truncation

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src/hooks/anthropic-context-window-limit-recovery/storage.ts

@@ -230,6 +230,10 @@ export function truncateUntilTargetTokens(
         toolName: truncateResult.toolName ?? result.toolName,
         originalSize: removedSize,
       })
+      
+      if (totalRemoved >= charsToReduce) {
+        break
+      }
     }
   }