Build the paths users can visit, the page directories that serve them, and the navigation helpers that keep URLs and route metadata aligned.
Routes
Route registration and path parameters
Decorators, methods, typed parameters, and catch-all routes.
Filesystem Routing
Route discovery from the pages/ directory
Layout nesting, context cascade, and co-located handlers.
Route Directory
`_meta.py`, `_context.py`, `_actions.py`
Sections, shell context, route validation, and filesystem app conventions.
Request & Response
Immutable Request, chainable Response
The frozen request object and the .with_*() response API.
Mounting
Compose sub-apps into one route tree
Mount reusable Chirp apps without leaving orphan registries behind.