Closes#1115 (discussion feedback)
Two API consistency issues reported by @FabienD74:
1. Version format mismatch in /api/version:
- currentVersion: "5.0.16" (no prefix)
- latestVersion: "v5.0.16" (with prefix)
Fixed: LatestVersion now strips the "v" prefix to match CurrentVersion format.
2. Guest ID separator inconsistency:
- Some code used colons: "instance:node:vmid"
- BuildGuestKey used dashes: "instance-node-vmid"
Fixed: BuildGuestKey now uses colon separator matching the canonical
format used by makeGuestID in the monitoring package. The existing
legacy migration in GetWithLegacyMigration handles old dash-format
entries in guest_metadata.json.
1c22688d9b