docs: Add prompt template system documentation

docs: Add comprehensive refactoring summary

docs: Add comprehensive RAG→LLM showcase documentation

Add GameMaster decomposition analysis and implementation plan

Add detailed implementation plan for SessionState refactoring

Design SessionState class for multi-user support

WIP: Shop test improvements + identify inventory persistence bug

Clean up TODO.md: Remove all completed tasks, add to DONE.md

Move completed SRD RAG integration to docs/DONE.md

Add RAG-enhanced character creation with SRD data integration

docs: Consolidate documentation and fix flaky test

refactor: Move equipment.txt to proper RAG data directory

docs: Move equipment system to DONE.md and organize test files

feat: Add complete equipment system with magic items and class features

docs: Document party member healing system and add tests

Fix all test import errors and upgrade mechanics extraction model

Fix critical bugs: steal mechanics, combat damage, inventory display

fix: Critical encounter cooldown bug preventing NPC deaths in combat

docs: Add comprehensive guide for running Selenium tests and Gradio

feat: Implement flexible E2E testing system with optional NPC spawning

test: Update goblin combat test to use simpler attack phrase

docs: Organize all documentation into docs/ directory

feat: Add Shop System, Reality Check, and Equipment Database

feat: Add comprehensive debug logging for GM prompts and responses

feat: Add comprehensive D&D 5e game state management system

docs: Update documentation for new project structure

refactor: Reorganize project structure and enhance Gradio app