# Ring: preserve requirements through advanced agent edits

- [Keep Ring mutation permissions at the request handler](https://frameworkrecipes.dev/ring/session-permission-boundary/guide.md): Ring represents a request as data, but that does not make every field trusted. A verified session may establish the actor; path and body values still describe what the caller requests. Apply the write permission in the handler and send trusted scope to the persistence function.
- [ring-write-permission rule pack](https://reporules.fyi/ring/session-permission-boundary/rule-pack.zip): YAML requirement and agent task.
- [Release Clojure file resources when parsing an order fails](https://frameworkrecipes.dev/ring/stream-close-on-exception/guide.md): line-seq is lazy and depends on an open reader. Realize the needed result inside with-open, then return independent data. A lazy result returned after closing the reader fails later; a reader never closed leaks descriptors on exceptions.
- [reader-owned-by-with-open rule pack](https://reporules.fyi/ring/stream-close-on-exception/rule-pack.zip): YAML requirement and agent task.
- [Framework rule pack](https://reporules.fyi/ring/rule-pack.zip): All requirements from this framework site.