Files
GiteaMailTemplates/AGENTS.md
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KenanZhu d8a714b2b5 feat(preview): cross-browser scrollbar, keyboard nav, dev-mode client simulation, docs overhaul
preview/index.html:
- Fix scrollbar CSS: scoped webkit pseudo-elements + standards-track fallback, removed deprecated overflow:overlay
- Keyboard navigation: arrows cycle focus between Theme/Template/Client selects, up/down select within focused dropdown, d/m toggle viewport
- Dev/static mode detection: delayed static warning only when WebSocket absent, WebSocket errors only on disconnect (not on initial fail)
- iframe sandbox: removed static sandbox attr, applied dynamically only in dev mode (file: protocol rejects sandboxed srcdoc)
- Loading fix: removed double-toggle between init and render(); added 5s safety timeout
- Transform clean: returns HTML as-is; CSS stripping moved to server-side
- Dev disclaimer: blue info banner shown on WebSocket connect

tools/server/inliner.mjs:
- Added stripGmail() / stripOutlook() — server-side CSS property stripping for email client simulation

tools/server/server.mjs:
- Fixed WebSocket upgrade: use app.listen() instead of createServer(app).listen()
- Juice post-processing now generates three rendered.js variants (modern/gmail/outlook)
- Initial startup runs juice-only pass (avoids duplicate Go compilation)

docs/ (all 6 languages — en, zh-CN, zh-TW, ja, ko, ru):
- Image size limits: max 50KiB, recommended 10-20KiB
- Dev disclaimer: simulation cannot 100% reproduce every client
- Changed 'accurate' to 'relatively accurate' across all static-mode warnings
- Converted all plain blockquotes to GitHub admonitions ([!WARNING] / [!NOTE])
2026-06-04 16:01:42 +08:00

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4.6 KiB
Markdown

# AGENTS.md — Gitea Mail Templates
## Project Overview
A curated collection of email template themes (10 visual styles) for self-hosted Gitea instances. Each theme contains 11 Go `html/template` files covering all Gitea notification email types.
## Repository Layout
```
themes/ # Template themes (10 styles, 11 .tmpl each = 110 source files)
aurora/ # Ethereal / Dreamlike
bloom/ # Creative / Startup (glassmorphism)
ember/ # Community / Open Source
heritage/ # Education / Research
horizon/ # Enterprise / Corporate
ink/ # Editorial / Publishing
mono/ # Minimal / Swiss design
neon/ # Cyberpunk / Gaming
terminal/ # Developers / Tech
terra/ # Nature / Sustainability
tools/ # Go CLI tooling (modular, zero dependencies)
tools.go # Main entry point
cli/ # CLI subcommands: list, create, delete, preview
config/ # Config types and templates_config.json loading
data/ # templates_config.json — single source of truth for template metadata
preview/ # Template rendering engine (funcs, locale, engine)
go.mod # Go module (stdlib only, zero dependencies)
preview/ # Browser-based live preview
index.html # SPA with style/template/client/viewport switching
rendered.js # Pre-rendered HTML (generated, committed for clone-and-preview)
docs/ # Multi-language documentation
```
## Working With Templates
### Template Files
- All `.tmpl` files use Go `html/template` syntax
- Must use only Gitea's built-in template functions: `AppUrl`, `DotEscape`, `QueryEscape`, `ShortSha`, `HTMLFormat`, `PathEscapeSegments`, `FileSize`
- Must use only official Gitea translation keys (`mail.*` namespace)
- Never reference `.DisplayName` in templates where the data context lacks it (collaborator, transfer, release, workflow_run, assigned, default)
- Each style must have all 11 template types
### Adding a New Theme
1. Scaffold the new theme: `cd tools && go run . create <name>` — creates the full directory structure with placeholder `.tmpl` files for all 11 email types
2. Write all 11 `.tmpl` files with unique visual design
3. Run `cd tools && go run . preview all` to regenerate preview data
4. Update README.md style gallery table
### Preview System
- `preview/index.html` loads `preview/rendered.js` (pre-rendered by Go) and displays in iframes
- Supports theme/template switching, client simulation (Modern/Gmail/Outlook/Raw), and viewport toggle (Desktop 1386x780 / Mobile 390x780)
- Keyboard navigation: `←→` cycles focus between Theme/Template/Client selects, `↑↓` selects within the focused dropdown, `d`/`m` toggles viewport
- `REGISTRY` and `PARAMS` are auto-generated from `templates_config.json` — no manual syncing needed
- Static preview (open `index.html` directly) — all client modes show the same HTML; simulation warning is displayed
- Dev server (`go run . dev`) — applies Juice CSS inlining server-side, generates three `rendered.js` variants (modern/gmail/outlook) with client-specific CSS stripping; includes live reload via WebSocket
- Dev mode shows an info notice: simulation cannot 100% reproduce every email client — always verify against real clients
### Build Tool
- `tools/tools.go` is the main entry point for the modular CLI
- Subcommands: `list`, `create`, `delete`, `preview`, `dev`
- Template metadata lives in `tools/data/templates_config.json` — the single source of truth
- `tools/config/` handles config loading and data flattening
- `tools/preview/` implements the rendering engine (template funcs, locale, engine, markSafeHTML)
- `tools/cli/` implements CLI subcommands using `github.com/urfave/cli/v2`
- `tools/server/` Node.js dev server with Juice CSS inlining and live reload (Express + WebSocket + fs.watch)
- Uses Go's native `html/template` package for template rendering
## Commit Conventions
- `style(name):` — template changes for a specific theme
- `preview:` — preview tooling changes
- `tools:` — Go CLI/build tooling changes
- `docs:` — documentation and translations
- `fix:` — bug fixes
- `project:` — README, LICENSE, AGENTS.md, meta
- `refactor:` — code restructuring (e.g. modularization)
- `chore:` — maintenance (config updates, build scripts)
## Constraints
- No JavaScript framework dependencies — preview is vanilla JS
- No external Go dependencies — build uses stdlib only
- Templates must remain compatible with Gitea's `html/template` execution environment
- Preview works with `file://` protocol (no server needed)