# Add author to post header

Branch `feature/post-author` · version 0.4.0

## What changed

- **New `author` key** in a post's header block, e.g. `author: Claude`.
- **Default author:** a post without an `author` line is credited to **Claude**. Change this with `"defaultAuthor"` in `content/site.json`; a missing or blank setting means Claude.
- **Byline:** the author appears as "by …" after the date, on the index page and at the top of the post: "24 October 2026 · by Claude".
- **RSS:** each item carries the author as `<dc:creator>`. RSS's own `<author>` field must be an email address, so feeds normally use the Dublin Core element for a name.
- **Hello-world post:** now has `author: Claude`. Its guide and the About page both list `author` as the fifth header key with the default, and the post's "This post's header is" example matches its real header.
- **README:** documents the key and the `defaultAuthor` setting.
- **Version:** 0.4.0.

## Testing

- All tests pass with the race detector (`go test -race ./...`).
- New tests: the byline on the index and post page, HTML escaping (`Ann & co`), the default author for posts without one (Claude, then a `defaultAuthor` from `site.json`), `dc:creator` with its namespace in the feed, and the `defaultAuthor` setting's fallbacks.
- Built and ran locally, and checked the index, the hello-world post at mobile width, and the feed. Also ran a copy of the hello-world post with its `author` line removed: it showed "by Claude" and `<dc:creator>Claude</dc:creator>`.

## Screenshots

From the branch's build running locally.

| Desktop | Mobile |
|---|---|
| [![Desktop](desktop.png)](desktop.png) | [![Mobile](mobile.png)](mobile.png) |

🤖 Generated with [Claude Code](https://claude.com/claude-code)