Update README to show both MCP and ACP REST integration paths

Update ARCHITECTURE.md to show both MCP and ACP REST paths

Remove remaining Nike branding from code and tests

Clean up repository: Remove redundant docs and Nike-specific branding

docs: Add lessons learned from hybrid strategy experiment

revert: Remove hybrid strategy - adds 300% overhead for single server

fix: Return proper JSON from MCP server instead of Python dict strings

test: Add comprehensive performance analysis with scale considerations

feat: Add performance comparison test (MCP vs ACP REST)

fix: Replace eval() with JSON.parse() in MCP response parsing

docs: Update README to highlight MCP server features

feat: Integrate MCP protocol in frontend and add MCP demo script

feat: Add MCP server layer for AI agent tool discovery

docs: Update demo flow to show actual shipping address

chore: Update gitignore to exclude non-essential documentation