feat(P4): Wave I — Git adapters: GitHub + Gitea (REQ-022, REQ-023, REQ-027)
Read-only GitHub adapter (fine-grained PAT, D-006, 3 capabilities, rate-limit
handling, scope-via-403 per R-004) + read-only Gitea adapter (version-aware
scope validation per R-005, 2 capabilities, method blocklist backstop).
60s TTL inventory cache for list_repos (both). Write-blocklist wired.
Tests: 521 green. Coverage: 95% github, 93% gitea.
M1 non-regression: all M1 tests pass.
---ci---
phase: 4
milestone: v0.2
status: complete
wave: I
phase_role: execution
---/ci---
CIAgent
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