Merge remote-tracking branch 'origin/main' into feat/env-doctor

# Conflicts:
#	docs/guides/CLI.md

docs/guides/CLI.md

@@ -47,6 +47,7 @@ deployments list|get|logs|rollback|cancel
 logs <service-id> [--follow]     runtime logs (SSE follow)
 exec <service-id> -- <cmd>       one-off container command
 variables list|set|unset         env vars (secrets masked; --redeploy applies them)
+variables shared list|set|unset  project shared vars — referenced as ${{shared.KEY}}
 databases list|get|create|update|delete|action|backup|restore|download-backup|import-backup
                                import-backup <id> <file.tar.gz|-> uploads an archive as a restore
                                point; ships offsite too when a backup target is assigned