# Advanced & internal

These back specific workflows (the playbook compiler's live-target preflight,
loop-concurrency analysis, token-efficient record projection, ...) rather than
everyday client usage, so they're nested here instead of sitting in the
top-level sidebar next to `pyfsr.client` / `pyfsr.records` / etc.

```{toctree}
:maxdepth: 1

autoapi/pyfsr/playbook_catalog/index
autoapi/pyfsr/playbook_lint/index
autoapi/pyfsr/playbook_match/index
autoapi/pyfsr/concurrency/index
autoapi/pyfsr/jinja_validate/index
autoapi/pyfsr/projection/index
autoapi/pyfsr/query_models/index
autoapi/pyfsr/spec/index
autoapi/pyfsr/utils/index
```