v2.0.4

Added

• Support for hooks registered with ANY as the source, including a specific event or ANY
  event, with regression tests for callback delivery and removal.
• Generated llms.txt for the published documentation.
• Hatch scripts for regenerating the configuration and test protobuf bindings.
• AGENTS.md and per-module development guides.
• A modular coding-agent skill for using firebird-base.
• A development roadmap.
• A Hatch command to package the agent skill as a ZIP archive.

Changed

• Migrated the documentation from Sphinx and reStructuredText to Zensical and Markdown,
  including the Read the Docs and docset build workflows.
• Linked the published changelog to this file and expanded the configuration, collections,
  buffer, logging, trace, and protobuf documentation.
• Updated the protobuf tests and regenerated the test protobuf binding.
• Added Python 3.14 and 3.15 package classifiers and Python 3.15 to the Hatch test matrix.
• Added light and dark themes to the published documentation.

Fixed

• Corrected the public protobuf descriptor registration name to register_descriptor();
  the previous register_decriptor() spelling remains as a deprecated alias until 3.0.
• Corrected configuration, trace, and signal documentation examples.
• Corrected attribute and signature rendering in the generated API reference.