chore: release 0.2.20

[github-actions]

🤖 I have created a release beep boop

0.2.20 (2026-04-02)

Features

• add elicitation support and upgrade SDK to 1.29.0 (652694d)
• add Lambda/serverless support (handleRequest + createLambdaHandler) (d3e0459)
• add Lambda/serverless support with handleRequest() and createLambdaHandler() (bec59ab)
• add MCP Apps support (interactive UI from tools) (277b511)
• add MCP Apps support (interactive UI from tools) (571b365)
• add multi-transport support for concurrent stdio/SSE/HTTP Stream (#124) (b7da217)
• add React support for MCP Apps (a385629)
• add React support for MCP Apps (4ea299f)
• implement MCP 2025-11-25 spec compliance (18 tickets) (91c2233)
• multi-transport support for concurrent stdio/SSE/HTTP Stream (d6353a6)
• rename CLI to create-docs-mcp and publish @mcpframework/docs (9ddd03f)

Bug Fixes

• add Bearer header and query param fallbacks for API key auth (8002267), closes #80
• API key auth fallbacks for SSE clients without custom headers (298799f)
• handle ZodNullable and ZodDefault in legacy schema optionality check (5fcd54d), closes #118
• improve basePath resolution for npx execution support (bff2347)
• improve basePath resolution for npx execution support (6402c82)
• optional fields marked as required in legacy schema format (ab70a36)
• refactor SSE transport to use per-session SDK server instances (2396a34), closes #90
• remove duplicate OAuth section and fix naming inconsistencies in README (352152d)
• remove duplicate OAuth section and fix naming inconsistencies in README (83923bf)
• SSE transport per-session isolation (n8n compat) (67494c1)

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[github-actions]

🤖 Created releases:

• mcp-framework-v0.2.20

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