v0.3.0

What's Changed

• chore: add GitHub Sponsors funding link by @aoreshkov in #21
• chore: add Claude Code project config (permissions, hook, agents, skills) by @aoreshkov in #22
• Harden untrusted-input handling + page list_declarations by @aoreshkov in #23
• release: prepare v0.3.0 by @aoreshkov in #24

Full Changelog: v0.2.0...v0.3.0