v0.1.0-alpha.0

Changelog

• 63fe70d Add go.sum and indirect dep declarations from go mod tidy
• 1755c91 Align signing.go docstring to current spec (§5.2)
• 2ef6884 Drop afauth mcp subcommand from v0.1 scaffolding
• 701ff0e Fix .gitignore: anchor afauth binary patterns to repo root
• a93c46e G1: implement v0.1 wire primitives + init/whoami
• 0c0007e G2: discovery validator + AFAuth-signed HTTP client + discover/call
• 1e89665 G3: account lifecycle — signup, invite, accounts list/show
• aea998e G4: keys rotate / export / import
• 0b5a634 G5: probe — conformance harness against a live AFAuth service
• e0d5a6d Initial scaffold
• 144ba12 Move module path and refs to AFAuthHQ org
• 3e3ceb3 ci: add goreleaser release workflow + drop brews stanza
• 9d0e500 probe_test: drop fmt.Sscanf return values explicitly (errcheck lint)