Add Mission Control recall skill and update page title

[webdevcody]

Summary

• Adds a Mission Control recall skill (project memory + code-graph navigation) to .agents/skills/, .claude/skills/, and .cursor/skills/ so all agent harnesses pick it up
• Updates the page title in index.html from "Sketch Lab" to "hello world"

Test plan

• Verify the recall skill loads in a Mission Control agent session
• Confirm the browser tab shows the updated title when running the app

🤖 Generated with Claude Code