feat(agents): interactive init, multi-IDE wiring, .gitignore, CLI fixes #29

Job	Run time
Gate (skip full CI for version PRs?)	3s
🔬 Test	9s
📊 Benchmark (fixture)	10s
🧰 Build	11s
💅 Format	9s
✅ Typecheck	7s
🕵 Lint	7s
CI complete	2s
	58s

Provide feedback