Not used in coderd yet, see stack.

Adds two new packages:
- `coderd/usage`: provides an interface for the "Collector" as well as a stub implementation for AGPL
- `enterprise/coderd/usage`: provides an interface for the "Publisher" as well as a Tallyman implementation

Relates to coder/internal#814

…ioners (#19067)

This should fix #17941 by introducing a check for whether there are any valid (non-stale provisioners for a job in the autobuild executor code path.

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Signed-off-by: Callum Styan <callumstyan@gmail.com>

…er" template (#19320)

Updates coder/internal#836

- Adds an optional AI prompt parameter
- Conditionally adds the following resources if "AI Prompt" is provided:
  - `claude-code` module if AI prompt is provided
  - auto-restarting instance of `develop.sh` running in screen
  - a "preview" app that shows the local development server