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openpencil/README.de.md
Kayshen Xu 807efd94f1 V0.3.0 (#24) 
* feat(boolean-operations): implement boolean operations in the editor

- Added a new BooleanToolbar component for union, subtract, and intersect operations.
- Integrated boolean operations into the layer context menu and keyboard shortcuts.
- Enhanced the editor layout to include the boolean toolbar for improved user interaction.
- Updated internationalization support with new translation keys for boolean operations.
- Bumped version to 0.3.0 to reflect the addition of these features.

* refactor(editor): update editor layout and panels for improved functionality

- Replaced the PropertyPanel with a new RightPanel that includes both Property and Code panels.
- Removed the CodePanel from the main editor layout and integrated it into the RightPanel.
- Updated keyboard shortcuts to switch the right panel to the code tab.
- Enhanced the LayerPanel with a resizable width feature for better user experience.
- Added internationalization support for new right panel labels and code panel features.
- Introduced new code generation capabilities for various frameworks in the CodePanel.
- Improved overall layout structure for better responsiveness and usability.

* feat(electron): implement .op file association and enhance file handling

- Added support for .op file association in electron-builder, allowing OpenPencil documents to be opened directly from the file system.
- Implemented IPC handlers for opening and reading .op files, ensuring proper loading of document content.
- Enhanced the main process to handle file opening events on macOS and single-instance locking on Windows/Linux.
- Updated the renderer to listen for file open events and load documents accordingly.
- Improved README to reflect new file association feature.

* fix(canvas): improve layout accuracy for AI-generated designs

- Unify lineHeight default via canonical defaultLineHeight() function
- Unify text measurement by removing duplicate estimators in generation-utils
- Fix optical centering formula to scale proportionally with fontSize
- Round layout positions to whole pixels to prevent sub-pixel artifacts
- Recursively sanitize nested x/y in streaming layout containers
- Fix input trailing icon alignment using fill_container instead of space_between

* feat(canvas): right-align agent badge and add breathing glow border

- Agent badge now right-aligned to frame's right edge instead of after label
- Added breathing glow border around agent-owned frames during generation
- Glow border uses same color and lifecycle as the agent badge
- Removed unused BADGE_GAP constant and useDocumentStore import

* feat(code-panel): enhance tab scrolling functionality and add scrollbar utility

- Introduced left and right scroll buttons for tab navigation in the CodePanel, improving user experience for navigating long tab lists.
- Added a custom utility to hide scrollbars for a cleaner interface.
- Updated styles for better responsiveness and usability in the CodePanel layout.

* fix(docs): update Discord invite links in multiple README files

- Replaced outdated Discord invite links with the new link across all language-specific README files.
- Ensured consistency in the documentation for community engagement.

* feat(code-panel): enhance system prompt for responsive design

- Updated the ENHANCE_SYSTEM_PROMPT to emphasize the importance of responsive design in code rewriting.
- Added detailed guidelines for converting fixed pixel widths to relative units and using responsive Tailwind breakpoints.
- Ensured that the output remains visually faithful on desktop while adapting gracefully across screen sizes.

* feat(docs): add WeChat group information to README.zh.md and include group image

- Introduced a new section in the Chinese README to provide details about the WeChat group for community engagement.
- Added an image representing the WeChat group for better visibility and user interaction.

* feat(electron): enhance theme management and title bar overlay for Windows/Linux

- Updated the `setTheme` method in the Electron API to accept custom colors for the title bar overlay, improving theme synchronization across platforms.
- Adjusted title bar overlay colors for Windows and Linux to ensure proper visibility and aesthetics.
- Enhanced the top bar component to read computed CSS colors and apply them dynamically, ensuring a consistent user interface.
- Improved handling of theme changes in the application to support background and foreground color customization.

* fix(screenshot): update screenshot image for improved clarity and quality

* fix(docs): update WeChat group image path in README.zh.md for consistency

* fix(ai): fix post-generation validation pipeline and text centering

- Fix Agent SDK validation: save temp screenshots inside project dir
  (.openpencil-tmp/) so Claude Code plan mode can read them, instead
  of /tmp/ which is outside the project sandbox
- Enrich validation tree dump with fill colors, stroke, fontSize,
  fontWeight, textAlign, cornerRadius, opacity for comprehensive
  visual analysis
- Add multi-round validation with quality scoring (threshold 8/10),
  500ms stabilization delay between rounds
- Add detailed debug logging to applyValidationFixes showing which
  nodes were found/skipped and property changes
- Fix canvas sync needsTextbox check to also account for textAlign
  (matching isFixedWidthText in factory), preventing IText↔Textbox
  thrashing on every sync tick
- Auto-center text in vertical+center layouts by expanding to full
  container width and injecting textAlign:'center'
- Force Textbox for non-left-aligned text so textAlign is respected
  (IText ignores width and computes its own)

* fix(canvas): use precise text width estimation for fit-content layout

Remove the 14% safety factor from text width estimation when computing
fit-content/natural-width text dimensions. IText auto-computes its own
width and ignores our setting, so the safety margin only inflated the
layout allocation, making text appear left-shifted within its container.

* fix(canvas): center fit-content text in horizontal layouts

For text nodes with fit-content width in horizontal layouts, set
textAlign:'center' to compensate for width estimation inaccuracy.
The estimated box is typically wider than the actual rendered text,
causing left-aligned text to appear visually shifted. Centering
distributes the estimation error evenly on both sides.

* feat(ai): show validation details in checklist panel

- Accumulate validation log (screenshot, analysis, fixes) instead of
  overwriting status messages, so the full process is visible
- Preserve step thinking content in buildFinalStepTags (was discarded)
- Add details field to pipeline items and render in checklist UI
- Each validation step now shows: screenshot captured, issues found,
  quality score, fixes applied

* feat(ai): add visual reference pipeline types and integration hooks

- Add DesignSystem and VisualReference types to ai-types
- Add 'visual-ref' mode to AIDesignRequest and SubTask.htmlReference
- Detect visual-ref candidates in chat handlers (landing pages, websites)
- Wire visual-ref mode in design-generator and orchestrator
- Inject HTML reference snippets into sub-agent prompts

* feat(ai): add modular design principles for sub-agent context

- Add design-principles module with topic files: color, typography,
  spacing, composition, components
- Selectively load relevant principles based on prompt content
- Inject design principles into sub-agent system prompts

* feat(ai): implement visual reference pipeline

- Add design-system-generator: generates color/typography/spacing tokens
- Add design-code-generator: generates HTML/CSS from design system
- Add html-renderer: renders HTML to screenshot via html2canvas
- Add visual-ref-orchestrator: coordinates the full pipeline
  (design system → HTML code → screenshot → enrich subtasks)
- Add html2canvas dependency for client-side HTML rendering

* feat(mcp): default filePath to live canvas and fix cross-platform issues

- Default all MCP tool filePath to live://canvas when omitted, so tools
  operate on the real-time canvas instead of stale files
- Remove filePath from required params in all tool schemas (21 interfaces)
- Fix mcp-server-manager.ts using process.cwd() which fails in Electron
  production on Linux — now checks ELECTRON_RESOURCES_PATH first
- Fix stopMcpHttpServer using SIGTERM on Windows — use taskkill instead
- Force new children reference in applyExternalDocument to ensure canvas
  sync subscriber always detects MCP-pushed document updates

* feat(mcp): enhance design prompt with semantic roles, CJK typography, and layout rules

Add comprehensive design knowledge to MCP design prompt for better
AI-generated designs: design type detection (mobile vs desktop), full
semantic role reference with context-aware defaults, CJK typography
rules, expanded text/layout/form guidelines, and detailed post-processing
documentation.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* feat(ai): implement intent classification for chat handlers

- Replace hardcoded keyword matching with a lightweight LLM call to classify user intent in chat messages.
- Introduce a new function `classifyIntent` to determine if the request is for design generation or conversation.
- Update design request handling in `useChatHandlers` to utilize the new classification method.
- Enhance design prompt documentation to reflect changes in design type detection based on intent rather than keywords.

* fix(ai): handle string qualityScore in validation response parsing

The LLM sometimes returns qualityScore as a string (e.g. "8" instead of 8),
causing it to fall through to 0. Also hide misleading "quality: 0/10" display
when the score couldn't be determined, and log raw response for debugging.

* fix(ai): increase validation timeout to 90s and fix quality score parsing

Agent SDK validation requires spawning a process, reading the image, and
analyzing it — 30s was consistently timing out. Also handle string
qualityScore values from LLM responses and hide misleading 0/10 display.

* fix(ai): fix validation timeout and response parsing

- Increase validation timeout from 30s to 180s (Agent SDK needs time
  for subprocess spawn + OAuth auth + multi-turn image reading)
- Strip <tool_use> XML blocks from Agent SDK response before extracting
  JSON — the tool call XML was confusing the regex, causing qualityScore
  to parse as 0 despite valid JSON being present
- Handle string qualityScore values and hide misleading "quality: 0/10"
- Revert unnecessary direct API key approach for validation

* fix(ai): prevent node ID collisions between generations

When generating new content on a canvas with existing nodes, AI-generated
IDs (e.g. brand-spacer) would collide with previous generations. Now
captures pre-existing node IDs at generation start and checks against
them during upsert sanitization. Remapped IDs are tracked in
generationRemappedIds so progressive streaming updates can still find
their nodes.

* fix(ai): require styleGuide in orchestrator plan and fix validation detail icons

- Add fallback default styleGuide when orchestrator LLM omits it
- Strengthen prompt to mark styleGuide as REQUIRED
- Replace emoji icons in validation details with [done]/[pending]/[error]
  markers for consistent styling with the checklist design system

* feat(server): add port file plugin for server instance discovery

- Introduce a new Nitro plugin that writes a port file on server startup to allow the MCP server to discover the running instance, whether it's a development server or Electron.
- Implement error handling in the Electron main process for writing the port file, logging any failures.
- Update Vite configuration to include additional external dependencies in the rollup configuration.

* feat(electron): implement IPC for retrieving pending file paths

- Added a new IPC handler `file:getPending` to retrieve and clear the pending file path when the React app mounts.
- Updated the Electron API to include `getPendingFile` for renderer access.
- Enhanced the `useElectronMenu` hook to load any pending file on application startup.
- Updated UI components to reflect changes in file handling and improved user experience.

* fix(panels): replace emoji icons with styled icons in validation checklist

- Parse [done]/[pending]/[error] prefixes in detail lines and render as
  styled circle icons matching the parent checklist design system
- Replace remaining emoji markers in design-validation.ts with text prefixes
- Fix isApplied detection to recognize new [done] Applied marker

* refactor(electron): update settings path to use platform-standard app data directory

- Changed the settings file path to utilize Electron's user data directory for better cross-platform compatibility.
- Updated the settings writing function to ensure the user data directory is created if it doesn't exist.
- Added comments to clarify the storage location for different operating systems.
- Implemented a fixed partition for localStorage/cookies to maintain data across server port changes.

* feat(ai): enhance validation with pre-checks, structural fixes, and border detection

- Add design-pre-validation.ts: pure code checks before LLM validation
  - Invisible container detection (same fill as parent → auto-add border)
  - Sibling consistency (majority-rule for height/cornerRadius)
- Add structural fixes to validation: addChild/removeNode operations
  - Icon injection via lookupIconByName with server fallback
  - autoFixParentLayout with child count guard to prevent layout breakage
- Add strokeColor/strokeWidth to safe fix properties for border fixes
- Simplify intent classification: all design requests use visual-ref pipeline
- Fix checklist: "Found N issues" now shows [done] instead of [pending]
- Fix qualityScore: only update when > 0 to preserve valid round scores

* fix(ai): cherry-pick safe validation improvements, drop aggressive pre-checks

Keep: stroke tree dump bug fix (object not array), qualityScore=0 false
positive detection, fit_content→fixed safety guard, empty path removal,
type-specific sibling consistency, repeated fix filtering, screenshot
extraction to design-screenshot.ts.

Drop: detectForcedFixedHeight (destroyed input/button heights),
MAX_VALIDATION_ROUNDS 5 (too many rounds), removal of quality threshold
early stop, section regeneration phase.

---------

Co-authored-by: Fini <fini.yang@gmail.com>
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-08 11:55:35 +08:00

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<p align="center">
<img src="./electron/icon.png" alt="OpenPencil" width="120" />
</p>
<h1 align="center">OpenPencil</h1>
<p align="center">
<strong>KI-natives Open-Source-Designwerkzeug. Design-as-Code.</strong><br />
Vom Prompt zur Canvas-UI. Multi-Agenten-Orchestrierung. Eingebauter MCP-Server. Codegenerierung.
</p>
<p align="center">
<a href="./README.md">English</a> · <a href="./README.zh.md">简体中文</a> · <a href="./README.zh-TW.md">繁體中文</a> · <a href="./README.ja.md">日本語</a> · <a href="./README.ko.md">한국어</a> · <a href="./README.fr.md">Français</a> · <a href="./README.es.md">Español</a> · <a href="./README.de.md"><b>Deutsch</b></a> · <a href="./README.pt.md">Português</a> · <a href="./README.ru.md">Русский</a> · <a href="./README.hi.md">हिन्दी</a> · <a href="./README.tr.md">Türkçe</a> · <a href="./README.th.md">ไทย</a> · <a href="./README.vi.md">Tiếng Việt</a> · <a href="./README.id.md">Bahasa Indonesia</a>
</p>
<p align="center">
<a href="https://github.com/ZSeven-W/openpencil/stargazers"><img src="https://img.shields.io/github/stars/ZSeven-W/openpencil?style=flat" alt="Stars" /></a>
<a href="https://github.com/ZSeven-W/openpencil/blob/main/LICENSE"><img src="https://img.shields.io/github/license/ZSeven-W/openpencil" alt="License" /></a>
<a href="https://github.com/ZSeven-W/openpencil/actions/workflows/ci.yml"><img src="https://img.shields.io/github/actions/workflow/status/ZSeven-W/openpencil/ci.yml?branch=main&label=CI" alt="CI" /></a>
<a href="https://discord.gg/KwXp6BJD"><img src="https://img.shields.io/discord/1476517942949580952?label=Discord&logo=discord&logoColor=white" alt="Discord" /></a>
</p>
<p align="center">
<a href="#schnellstart">Schnellstart</a> ·
<a href="#ki-natives-design">KI</a> ·
<a href="#funktionen">Funktionen</a> ·
<a href="https://discord.gg/KwXp6BJD">Discord</a> ·
<a href="#mitwirken">Mitwirken</a>
</p>
<br />
<p align="center">
<a href="https://oss.ioa.tech/zseven/openpencil/a46e24733239ce24de36702342201033.mp4">
<img src="./screenshot/op-cover.png" alt="OpenPencil — click to watch demo" width="100%" />
</a>
</p>
<p align="center"><sub>Auf das Bild klicken, um das Demo-Video anzusehen</sub></p>
<br />
## Schnellstart
```bash
# Abhängigkeiten installieren
bun install
# Entwicklungsserver auf http://localhost:3000 starten
bun --bun run dev
```
Oder als Desktop-App ausführen:
```bash
bun run electron:dev
```
> **Voraussetzungen:** [Bun](https://bun.sh/) >= 1.0 und [Node.js](https://nodejs.org/) >= 18
## KI-natives Design
OpenPencil wurde von Grund auf mit KI im Kern aufgebaut — nicht als Plugin, sondern als zentraler Arbeitsablauf.
**Vom Prompt zur UI**
- **Text-zu-Design** — eine Seite beschreiben und sie wird in Echtzeit mit Streaming-Animation auf der Canvas generiert
- **Orchestrierer** — zerlegt komplexe Seiten in räumliche Teilaufgaben zur parallelen Generierung
- **Design-Modifikation** — Elemente auswählen und Änderungen in natürlicher Sprache beschreiben
- **Bildeingabe** — Screenshots oder Mockups als Referenz für referenzbasiertes Design anhängen
**Multi-Agenten-Unterstützung**
| Agent | Einrichtung |
| --- | --- |
| **Claude Code** | Keine Konfiguration — verwendet Claude Agent SDK mit lokalem OAuth |
| **Codex CLI** | In den Agenteneinstellungen verbinden (`Cmd+,`) |
| **OpenCode** | In den Agenteneinstellungen verbinden (`Cmd+,`) |
**MCP-Server**
- Eingebauter MCP-Server — Ein-Klick-Installation in Claude Code / Codex / Gemini / OpenCode / Kiro CLIs
- Design-Automatisierung vom Terminal aus: `.op`-Dateien über jeden MCP-kompatiblen Agenten lesen, erstellen und bearbeiten
**Codegenerierung**
- React + Tailwind CSS
- HTML + CSS
- CSS Variables aus Design-Tokens
## Funktionen
**Canvas und Zeichnen**
- Unendliche Canvas mit Pan, Zoom, intelligenten Ausrichtungshilfslinien und Einrasten
- Rechteck, Ellipse, Linie, Polygon, Stift (Bezier), Frame, Text
- Boolesche Operationen — Vereinigung, Subtraktion, Schnittmenge mit kontextbezogener Werkzeugleiste
- Icon-Auswahl (Iconify) und Bildimport (PNG/JPEG/SVG/WebP/GIF)
- Auto-Layout — vertikal/horizontal mit Gap, Padding, Justify, Align
- Mehrseitige Dokumente mit Tab-Navigation
**Designsystem**
- Designvariablen — Farb-, Zahl- und Text-Tokens mit `$variable`-Referenzen
- Multi-Theme-Unterstützung — mehrere Achsen, jeweils mit Varianten (Hell/Dunkel, Kompakt/Komfortabel)
- Komponentensystem — wiederverwendbare Komponenten mit Instanzen und Überschreibungen
- CSS-Synchronisierung — automatisch generierte benutzerdefinierte Eigenschaften, `var(--name)` in der Code-Ausgabe
**Figma-Import**
- `.fig`-Dateien importieren mit erhaltenem Layout, Füllungen, Konturen, Effekten, Text, Bildern und Vektoren
**Desktop-App**
- Natives macOS, Windows und Linux über Electron
- Automatische Aktualisierung über GitHub Releases
- Natives Anwendungsmenü und Dateidialoge
## Technologie-Stack
| | |
| --- | --- |
| **Frontend** | React 19 · TanStack Start · Tailwind CSS v4 · shadcn/ui |
| **Canvas** | Fabric.js v7 |
| **Zustand** | Zustand v5 |
| **Server** | Nitro |
| **Desktop** | Electron 35 |
| **KI** | Anthropic SDK · Claude Agent SDK · OpenCode SDK |
| **Laufzeit** | Bun · Vite 7 |
| **Dateiformat** | `.op` — JSON-basiert, menschenlesbar, Git-freundlich |
## Projektstruktur
```text
src/
canvas/ Fabric.js-Engine — Zeichnen, Synchronisierung, Layout, Hilfslinien, Stiftwerkzeug
components/ React-UI — Editor, Panels, gemeinsame Dialoge, Icons
services/ai/ KI-Chat, Orchestrierer, Designgenerierung, Streaming
services/figma/ Figma-.fig-Binär-Importpipeline
services/codegen React+Tailwind- und HTML+CSS-Codegeneratoren
stores/ Zustand — Canvas, Dokument, Seiten, Verlauf, KI, Einstellungen
variables/ Design-Token-Auflösung und Referenzverwaltung
mcp/ MCP-Server-Tools für externe CLI-Integration
uikit/ Wiederverwendbares Komponenten-Kit-System
server/
api/ai/ Nitro-API — Streaming-Chat, Generierung, Validierung
utils/ Claude CLI, OpenCode, Codex-Client-Wrapper
electron/
main.ts Fenster, Nitro-Fork, natives Menü, Auto-Updater
preload.ts IPC-Brücke
```
## Tastaturkürzel
| Taste | Aktion | | Taste | Aktion |
| --- | --- | --- | --- | --- |
| `V` | Auswählen | | `Cmd+S` | Speichern |
| `R` | Rechteck | | `Cmd+Z` | Rückgängig |
| `O` | Ellipse | | `Cmd+Shift+Z` | Wiederholen |
| `L` | Linie | | `Cmd+C/X/V/D` | Kopieren/Ausschneiden/Einfügen/Duplizieren |
| `T` | Text | | `Cmd+G` | Gruppieren |
| `F` | Frame | | `Cmd+Shift+G` | Gruppierung aufheben |
| `P` | Stiftwerkzeug | | `Cmd+Shift+E` | Exportieren |
| `H` | Hand (Pan) | | `Cmd+Shift+C` | Code-Panel |
| `Del` | Löschen | | `Cmd+Shift+V` | Variablen-Panel |
| `[ / ]` | Reihenfolge ändern | | `Cmd+J` | KI-Chat |
| Pfeiltasten | 1px verschieben | | `Cmd+,` | Agenteneinstellungen |
| `Cmd+Alt+U` | Boolesche Vereinigung | | `Cmd+Alt+S` | Boolesche Subtraktion |
| `Cmd+Alt+I` | Boolesche Schnittmenge | | | |
## Skripte
```bash
bun --bun run dev # Entwicklungsserver (Port 3000)
bun --bun run build # Produktions-Build
bun --bun run test # Tests ausführen (Vitest)
npx tsc --noEmit # Typprüfung
bun run electron:dev # Electron-Entwicklung
bun run electron:build # Electron-Paketierung
```
## Mitwirken
Beiträge sind willkommen! Siehe [CLAUDE.md](./CLAUDE.md) für Architekturdetails und Code-Stil.
1. Forken und klonen
2. Branch erstellen: `git checkout -b feat/my-feature`
3. Prüfungen ausführen: `npx tsc --noEmit && bun --bun run test`
4. Mit [Conventional Commits](https://www.conventionalcommits.org/) committen: `feat(canvas): add rotation snapping`
5. Pull Request gegen `main` öffnen
## Roadmap
- [x] Designvariablen & Tokens mit CSS-Synchronisierung
- [x] Komponentensystem (Instanzen & Überschreibungen)
- [x] KI-Designgenerierung mit Orchestrierer
- [x] MCP-Server-Integration
- [x] Mehrseitige Unterstützung
- [x] Figma-`.fig`-Import
- [x] Boolesche Operationen (Vereinigung, Subtraktion, Schnittmenge)
- [ ] Kollaboratives Bearbeiten
- [ ] Plugin-System
## Mitwirkende
<a href="https://github.com/ZSeven-W/openpencil/graphs/contributors">
<img src="https://contrib.rocks/image?repo=ZSeven-W/openpencil" alt="Contributors" />
</a>
## Community
<a href="https://discord.gg/KwXp6BJD">
<img src="./public/logo-discord.svg" alt="Discord" width="16" />
<strong> Unserem Discord beitreten</strong>
</a>
— Fragen stellen, Designs teilen, Funktionen vorschlagen.
## Lizenz
[MIT](./LICENSE) — Copyright (c) 2026 ZSeven-W
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