feat: add @tanstack/intent skills

[tkoehlerlg]

Summary

• Add @tanstack/intent as dev dependency for AI agent skill scaffolding
• Create 4 intent skills: hono-integration, elysia-integration, build-transformer, production-readiness
• Add domain discovery artifacts (domain_map.yaml, skill_spec.md, skill_tree.yaml)
• Configure package.json with intent bin shim, skills in files array, and artifact exclusion
• All skills validated with intent validate — 4/4 passed

Skills Overview

Skill	Type	Description
hono-integration	framework	t7mMiddleware setup, c.transform(), extras, query params, status codes
elysia-integration	framework	t7mPlugin setup, transform(), plain data return, no status codes
build-transformer	core	AbstractTransformer, data(), includes, props, cache, nested transformers
production-readiness	lifecycle	Concurrency limits, Cloudflare constraints, cache maxSize tuning

Test plan

• intent validate passes (4/4 skills)
• bun test passes (218/218 tests)
• Verify skills discoverable via npx @tanstack/intent list after install

🤖 Generated with Claude Code