v0.4.9

What's Changed

• Bump versions for 0.4.9 release (#587)
• Clarify transcript context guidance for skill distillation (#586)
• fix: tighten transcript truncation, platform-neutral prompt, OpenCode drill (#585)
• feat: add memsearch transcript (L3 drill) and use it for skill distillation (#584)
• fix: make skill transcript drill-down platform-accurate and tool-call-aware (#583)
• docs: lead the Skills from Memory page with the idea and design philosophy (#582)
• docs: make README advanced-features sections agent-driven (#581)
• fix: reduce hallucination in distilled skills (#580)