Release v0.31.11

What's Changed

• feat(feedback): add source and client metadata [LET-11774] by @letta-integration[bot] in #4152
• feat(mcp): make MCP tools discoverable — using-mcp-tools skill, mcp-servers-info reminder, tools/schema commands; remove letta cloud-mcp by @letta-integration[bot] in #4167
• docs(agent): describe background-only subagents by @lyunyi9999-mini in #4157
• docs(feedback): require context in agent-submitted reports by @letta-integration[bot] in #4180
• chore: bump version to 0.31.11 by @github-actions[bot] in #4181

New Contributors

• @lyunyi9999-mini made their first contribution in #4157

Full Changelog: v0.31.10...v0.31.11