Update README.md

Fix Gradio version compatibility - remove theme parameter

Phase 1: Improve session generation continuity

Fix image generator to read API keys from environment

Add lazy initialization for Anthropic client

Fix: Read API keys directly from environment variables

Trigger rebuild to load API key from secrets

Fix GPU decorator placement - use simple dummy function

Add @spaces.GPU decorator to AI generation functions

Add ZeroGPU compatibility for HF Spaces

Add .space config to disable GPU requirement

Ultra-minimal requirements - no version pins

Optimize requirements.txt for faster HF Spaces build

Fix startup issues for HF Spaces

Rename app_v2.py to app.py

Deploy D&D Campaign Manager v2

initial commit