v0.1.6

Changelog

• 9c00d3b docs(plan): archive inventory default lookup implementation plan
• 563a732 docs: document inventory lookup chain and simplify examples
• ad4a02c feat(cmd): record resolved inventory path in every envelope
• 4581257 feat(cmd): resolve --inventory via lookup chain and announce on stderr
• 25deaee feat(inventory): default lookup chain (flag > env > cwd > home)
• 80ac2bf feat(output): add inventory_path to envelope