fix(ci): image tag was empty on scheduled runs (#2)

Co-authored-by: claude <[email protected]>

CLAUDE.md

@@ -146,8 +146,12 @@ identifiers that the LLM reads.
 
 You do NOT need to edit the IMAGE env or the `--package` arg in the
 workflows. Both derive from the repo at runtime via
-`${{ github.repository_owner }}` and
-`${{ github.event.repository.name }}`. So a clone into a repo named
+`${{ github.repository }}` and `${GITHUB_REPOSITORY##*/}`. Do **not**
+use `${{ github.event.repository.name }}` — it resolves to EMPTY on
+`schedule` events (Gitea >= 1.27), which silently builds the tag
+`<registry>/<owner>/:latest` and fails the build *after* the full
+scrape; the `Verify image name resolves` step guards it. So a clone
+into a repo named
 `my-product-docs` automatically pushes the container as
 `<owner>/my-product-docs:latest` and links the package to its own
 repo. (`github.*` is Gitea Actions' inherited GitHub-Actions