feat: use Alpine AOT images, static SQLite and Podman host metrics [CI]

AGENTS.md

@@ -23,8 +23,9 @@ Monitor is a self-hosted network path quality monitor. Backend coordinates Agent
 
 ## Local development and builds
 
-Requirements: .NET SDK 10 and Node.js/npm. The SDK selection is defined by `backend/global.json`.
+Requirements: .NET SDK 10 and Node.js/npm. The SDK selection is defined by the root `global.json`; NuGet package versions are centralized in the root `Directory.Packages.props`.
 
+- All .NET projects: `dotnet build Monitor.slnx -c Release` from the repository root.
 - Backend build: `cd backend && dotnet build Monitor.slnx -c Release`
 - Backend tests: `cd backend && dotnet test --solution Monitor.slnx -c Release`
 - Frontend dependencies/build: `npm ci --prefix web && npm run build --prefix web`