v0.1.5

Fixed

• gate-mode no longer silently overrides .gate.yml. The Action input carried default: "none", so omitting gate-mode overrode the file with none on every run — a repo that opted into rules.gate: blockers got an advisory check that could never fail. An omitted input now lets the file decide; an explicit value still wins.
• An invalid gate-mode is refused instead of silently never gating — rejected with a neutral "Action setup failed" Check Run naming the input.

Changed

• Fork gate hardened. A PR whose payload does not state its fork status is treated as a fork rather than assumed same-repo.
• Baselines compare against the deployment that rendered them.
• Default-branch measurement coverage widened — measured on install and on merge commits whose tree matches a reviewed head, so a repo's first PR still has a baseline.

Adoption

• Added CHANGELOG.md, examples/gate.yml (a liftable workflow consuming apatureai/gate@v1), and README corrections.
• All package manifests bumped to 0.1.5 to track the release tag.