Same shape as GitHubHost (commit dc660c4) — Gitea v1 has /api/v1/
prefix, otherwise the endpoint shapes are identical. 2 new tests;
total 5 git-host tests.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Adds the three blob ops to the interface and a BLOB_THRESHOLD_BYTES
constant. Both GitHubHost and GiteaHost ship temporary stubs so the
build stays green until tasks 3-4 fill in real implementations.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
GitHost interface for reading/writing vault files via REST API.
Gitea and GitHub implementations handle base64 content encoding,
SHA-based updates, and directory listing.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
