AGENTS.md — Gitea Mail Templates

Project Overview

Theme presentation for self-hosted Gitea, driven by locked official inputs and a reusable control framework. New source architecture supports Gitea 28+; historical release tags retain their original layouts and compatibility.

Repository Layout

gitea.lock.json     # Generated official version, commit and file SHA-256; no vendored upstream source
framework/          # Shared header/action/fallback/footer controls and structural layout presets
themes/<name>/      # theme.json and theme.css only; no mail data/logic/translation definitions
tools/              # Go 1.24+ CLI; urfave/cli and x/net HTML validation
  upstream/         # Explicit sync, checksum/adapter verification and key discovery
  builder/          # One official-context alignment layer and theme package generation
  config/, data/    # Names, descriptions and mock contexts; not a template inventory
  preview/          # Official-compatible rendering, locale adapter and SSE dev server
  cli/              # list, create, delete, build, preview, dev, upstream
build/themes/       # Generated installable overrides; ignored
build/upstream/     # Downloaded immutable official mail/locales/assets/license; ignored
preview/            # Vanilla JS UI, generated manifest and per-language scripts
docs/               # English/Simplified Chinese documentation and gallery images

Source and Theme Rules

Never commit or hand-maintain official input files. upstream prepare downloads missing inputs to the ignored cache. upstream sync --tag vX.Y.Z explicitly regenerates the lock after reviewing a new version.
Build/preview bootstrap a missing cache, then verify it offline against the lock's commit and per-file SHA-256. Corruption is an error, never silently repaired.
Root gitea.lock.json is mandatory for prepare/verify/build/preview/dev; a cached lock is not a substitute. Restore the tracked lock for normal clones; intentional initialization uses explicit upstream sync --tag v28.0.0. There is no automatic latest-version selection.
Run upstream commands from tools/, or provide the subcommand's --root (default ..). verify is read-only; prepare never rewrites the root lock; sync requires network and stable 28+ tags, replaces cache/lock but does not change docs or publish. See CONTRIBUTING for recovery; preserve invalid caches before rebuilding and avoid concurrent cache writers.
Changed reviewed translation/mail-renderer references require an adapter review before updating reference hashes.
Official templates own notification data, conditions, subject sections and functional URLs. The shared framework may reorganize presentation and add controls using those values and official translations; themes may not add business logic.
theme.json has name, description, mode (shared or framed) and optional layout. New themes default to framed with the standard framework preset. shared remains a minimal CSS-only mode without framework controls.
All framed themes use the same header/action/fallback/footer partials and single adapter. Structural presets live in framework/layouts/, not in theme directories; color/font/spacing rules live in theme CSS.
Layout fragments form balanced presentation markup. __HEADER__ inserts the shared brand control; __MAIL_TYPE__ expands to the discovered mail ID. Deployment logos use {{AppUrl}}assets/img/favicon.png; the static preview uses the downloaded icon in its generated data only.
CSS must not add text, external resources or hide official content. Use literal email-compatible CSS; browser preview is not a mail-client emulator.
All referenced translation keys must exist in the official English catalog, including keys outside mail.*. Other languages use official English fallback.
The reviewed Polish v28.0.0 invitation placeholder defect is reported as [UPSTREAM-WARN]; its exact source text is preserved.
Mail entrypoints come from the snapshot; new types need fixtures. Keep JSON fixture integers as integers for Go formatting.

Development

cd tools && go run . create <name>.
Edit only theme metadata/CSS. Shared controls or layout presets are framework changes.
Run go run . upstream prepare, go test ./... and go run . preview all.
Check desktop/mobile layouts and languages; update the gallery if appropriate.

build all generates build/themes/<name>/mail/. preview all builds and renders every official language, writing preview/rendered.js and preview/rendered/<locale>.js. Static preview must work on file:// via script loading. Keep generated output ignored.

dev uses Go HTTP/SSE on loopback and watches theme resources, framework, lock/cache and fixture data. The preview remains vanilla JS with theme/template/language/view switching, desktop/mobile viewports, panel controls and keyboard navigation.

Tests compare subjects, notification text and functional links across every language/theme and relevant branch, accounting explicitly for framework-added controls/branding. Verify button labels and identical button/fallback URLs separately. Before release, capture real mail using an isolated Gitea matching the locked version.

Versioning

Current template release: v28.0.0.

The snapshot-driven source refactor is unreleased. Its baseline is Gitea v28.0.0; do not replace the existing v28.0.0 assets.
Historical compatibility is documented in COMPATIBILITY.md, including the incomplete v1.27.2 push fix. New source architecture does not extend support to earlier Gitea versions.

Latest upstream Gitea release: 28.1.0 [PENDING].

Upstream discovery only adds pending documentation; it must not implicitly update snapshots or mark versions verified.
Release tags match the locked Gitea version. Review notes in .github/release-notes/vX.Y.Z.md, test, build and complete the matching-instance smoke test before publication.
The workflow packages generated overrides, preview language bundles, docs and upstream license/provenance. Verify Actions/write permissions on the configured Gitea host before relying on automatic upload.
Markdown managed blocks declare pairs in DOC-TAGS. Opening  and closing  delimit managed text; the first repeated pair wins. TRACKER manages pending upstream labels; RELEASE manages published labels. LATEST-TESTED and LATEST-VERIFIED remain manual-only.

Commit Conventions

Use style(name):, preview:, tools:, docs:, fix:, project:, refactor: or chore: as appropriate. Preserve unrelated user changes and keep generated files out of commits.

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