docs: separate public manual from internal project documentation

scripts/verify-workspace-install-docs.sh

@@ -64,8 +64,8 @@ verify_navigation() {
     operations/workspaces.md \
     operations/database-management.md \
     guida-utente.md \
-    architecture/overview.md \
-    contracts/catalog-schema-snapshot.md; do
+    product-overview.md \
+    install/shell-and-language.md; do
     require_file "docs/$path"
     require_text mkdocs.yml "$path"
   done
@@ -100,7 +100,7 @@ verify_install_and_workspace_guides() {
 
   for text in \
     'tht setup --profile local' \
-    './scripts/run-stack.sh' \
+    '--configure-only' \
     'catalog-migrate' \
     'tht --installation /absolute/path/thothii-installation.yaml doctor --json'; do
     require_text "$install" "$text"