v2.0.0 - Complete Architectural Rewrite: Unified Interface & Plugin System

Release Description

🎯 Major Release: Complete Architectural Rewrite

This is a complete rewrite of the Causal Graph Tool, moving from the v1.0.0 iframe-based design to a modern, professional unified interface with an extensible plugin
system.

🚀 What's New in v2.0.0

✨ Unified Interface

• Single-page application replacing iframe isolation
• Real-time integration between editor and analysis
• Professional context menus for all graph operations
• No more buttons - everything via right-click workflow

🔌 Plugin Architecture

• Extensible Python-based analysis via Pyodide/NetworkX
• Automatic plugin discovery from user directory
• User-serviceable plugins in app data folder
• Complete plugin development framework

🎨 Enhanced User Experience

• Context menu workflow: Right-click canvas to add nodes, right-click nodes/edges to edit/delete
• Drag-to-connect: Create edges by dragging between nodes
• Real-time analysis: Automatic analysis updates as you edit
• Enhanced physics: Better node positioning without graph constraints
• Professional styling: Clean, modern interface design

🛠️ Technical Improvements

• Shared state management: Event-driven coordination between components
• IPC integration: Native file dialogs and menu system
• Cross-platform: Proper user data directory handling
• Comprehensive testing: 43 tests covering all functionality
• Enhanced error handling: Graceful fallbacks and validation

🗑️ Breaking Changes from v1.0.0

• Removed iframe architecture: Complete UI redesign
• Eliminated Bootstrap dependencies: Custom styling system
• Replaced toolbar buttons: Context menu-based workflow
• Changed file structure: New unified interface in src/

📊 What's Included

• Core Application: Complete unified interface
• Plugin System: Causal path analysis plugin with NetworkX
• Documentation: Comprehensive guides (README, PLUGIN.md, ROADMAP)
• Test Suite: Full coverage for reliability
• User Directory: Automatic plugin folder setup

🚧 Upgrade Notes

This is a major version with breaking changes. The core graph format remains compatible, but the user interface and workflow are completely new.

🎯 What's Next

See ROADMAP.md for planned v2.1+ features including advanced visualization options and multi-format export capabilities.

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Full Changelog: v1.0.0...v2.0.0

First Release - Works as intended

Stable release for the app. Works as intended by editing a graph, and analyzing a graph (separately).
Includes some sample graphs an the dlp graph can be analyzed.
Many design problems:

• Hard-coded graph schema
• No communication between editor and analyzer
• Hard-coded analysis
• No logs
• No detection for invalid graphs