v0.18.0 — MCP Streamable HTTP transport with transparent legacy fallback

[0.18.0] - 2026-04-25

CI/CD

• audit: Ignore pip CVE-2026-3219 (runner-image package manager)(d51a1d1)

Documentation

• Refresh MCP transport documentation(5628894)

Features

• sdk: MCP Streamable HTTP transport with transparent legacy fallback(daaf866)
• sdk: Foundational helpers for MCP Streamable HTTP transport(0af93bd)

Miscellaneous

• release: Bump version to 0.18.0(9c2caf7)
• gitignore: Exclude speckit local working state(4d151ff)
• security: Gitignore credential tokens(7283d47)

Refactoring

• core: Eliminate _invoke_raw_mcp duplication (MCP path unified)(ab4c54c)

Testing

• sdk: Public API contract diff test + CHANGELOG entry(f6a8dc5)
• sdk: Cover MCP modern transport, fallback, and remediation paths(003e431)