Rework library search to use an AST-based approach (#3554)

* Rework library search to use an AST-based approach

* Spotless apply

* Move the filtering logic to the database

* Spotless apply

* Cleanup and separation of concerns

* Add `notes` to field and general search, and chapter read, total chapters to comparison search

* Handle searching for empty fields

* Add `language` as a field-only query option

* Clean up SQL clause generations

* Spotless apply

* Do not parse `-` as a negation when followed by a separator

* Revert moving filtering logic to database

* Changelog

* Use contains for genre instead of equals

* Add special handling for source name

* Add field-only query for source id

* Apply suggestions

CHANGELOG.md

@@ -20,6 +20,10 @@ The format is a modified version of [Keep a Changelog](https://keepachangelog.co
 - Detect Shizuku with permission check ([@Small-Ku](https://github.com/Small-Ku)) ([#3565](https://github.com/mihonapp/mihon/pull/3565))
 
 ### Improved
+- Library search ([@NGB-Was-Taken](https://github.com/NGB-Was-Taken)) ([#3554](https://github.com/mihonapp/mihon/pull/3554))
+  - Support logical operators (`&&`, `||`, `-`), implicit `AND` separators, and nested expressions with `()`
+  - Add comparison operators (`>`, `>=`, `<`, `<=`, `=`) for `id`, `added`, `fetchinterval` / `fi`, `nextupdate` / `nu`, `unread`, `read`, and `total` (Uses `yyyy-MM-dd` dates for `added` and `nextupdate`)
+  - Support field-specific prefixes (`title`, `author`, `artist`, `description` / `desc`, `genre` / `tag`, `source` / `src`, `source_id` / `src_id`, `notes` / `note`, `language` / `lang`) and empty field matching (`""`, `''`)
 - Always use Private installer to update privately installed extensions ([@MajorTanya](https://github.com/MajorTanya)) ([#3614](https://github.com/mihonapp/mihon/pull/3614))
 
 ### Fixed