Upload src/mcp_stdio.py with huggingface_hub

Implement memory_antigravity_sync_all master sync tool

Expose missing MCP tools for Pinned Slots, Actions, and crystallization (Crystals)

Allow dynamic AGENTMEMORY_URL and AGENTMEMORY_SECRET in stdio MCP wrapper

Initialize Hugging Face Space deployment for AgentMemory Python (clean without assets)