v0.9.0

Changelog

• c31a65e feat: CLI auth (OAuth PKCE), project pull, inference proxy
• 877d101 feat: route Messages API through Codebase proxy for MiniMax/Claude
• ac1dd56 fix: URL-encode OAuth params (spaces in scope broke the URL)
• 45bedee v0.9.0: major architecture overhaul — 30 tools, MCP, IDE bridge, memory system