* Add LLM post-processing feature with settings management and UI integration
* Refactor LLM post-processing settings and prompt selection logic
* Rename CLAUDE.md to more standard AGENTS.md
* Replace Open Router with OpenAI Compatible endpoints for post-processing
* Fix post processing settings api styles
* refactor or something
* simplify
* cleanup a bit?
* remove useless code
* minor improvements
* fix laggy textarea
* Store post-processing results in db
* fix text color
* new default prompt
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Co-authored-by: CJ Pais <cj@cjpais.com>
