Use Promptkit for single report generation

docs/internal/cli.md

@@ -14,8 +14,8 @@ batch execution to `internal/app`.
 
 `Runner` also owns a project-owned prompt-executor factory seam. Its production
 factory maps `promptkit` configuration to the Promptkit adapter, while tests can
-inject a factory without importing dependency types. Construction is retained as
-a separate seam until the generation workflow begins using that executor.
+inject a factory without importing dependency types. Each `generate` request
+constructs one executor after configuration loads and passes it to the app.
 
 For inspection, it loads configuration, builds the appropriate app inspection
 request, and writes the returned value. Inspection is read-only; the inspected