* cleanup, ignore root dir in results

- move depth from metadata to filename predicate
- ignore root directory in results
- cleanup docs
- remove noise/dead files

* remove MCP server WIP impl, clippy/fmt

* cleanup

* more cleanup, improve regex naming

* version control cargo.lock

* remove more comment noise

* update to use supported deps

* tweak docs, cargo fmt

* fix bug where AND/OR after single-word predicates didn't parse right, exit instead of panic on invalid log level

* add structured predicate parsing as singleton/single-word predicate shorthand

* eval layer for exists predicate

* improve time parsing

* improve time parsing + fmt/clippy

* log and continue on IO error (eg permissions denied)

* nonzero exit code if no matches

* cleanup

* remove pcre2 support

* cleanup

* aggreggate --predicate, --explain, etc

* support -_/ in key names for structured data

* cleanup readme.md

* cleanup