v2.0.0

• chore(sidecar): release v2.0.0 (94feb4e)
• Fix release workflow for Git checkouts (776c3e3)
• feat: Add per-peer file rules, whole-file LWW, and agent guidance (#10) (19f4f9c)
• feat(sidecar): last writer wins, per-repo cadence, and peers (#7) (d02a261)