v0.7.56

What's Changed

• feat(router): surface claude-fable-5 + add gpt-5.6-sol (openai-codex) (8a473d8)
• feat(router): add claude-sonnet-5 (anthropic wire) + refresh models.dev catalog (b89b031)
• fix(llm) drops unreplayable gh copilot gpt ids (db88608)
• release: update version files for v0.7.55, bump to next dev version (825d5da)

Full Changelog: v0.7.55...v0.7.56