chore(docs+infra): update roadmap, improve home server plan, and archive outdated reports

- Adjusted infrastructure roadmap to use VM instead of nested LXC for Docker hosting, enhancing isolation and compatibility.
- Clarified multi-architecture CI/CD setup with native ARM64 builds and QEMU-based x86_64 builds.
- Updated documentation to include backup and offline-first strategies.
- Archived outdated session logs and reports for better file organization.

settings.gradle.kts

@@ -15,7 +15,7 @@ pluginManagement {
 
 plugins {
   // Settings plugins cannot easily use version catalogs because the catalog is loaded
-  // as part of the settings evaluation. We must hardcode the version here.
+  // as part of the settings evaluation. We must hard-code the version here.
   id("org.gradle.toolchains.foojay-resolver-convention") version "1.0.0"
 }