Preserve generated text failure artifacts

docs/internal/app-orchestration.md

@@ -104,6 +104,10 @@ generation returns an error after writing output, the managed report and
 metadata remain inspectable. Notification is not attempted after Weather API,
 module snapshot, prompt input, render, Scriptorium run, or metadata-save
 failures.
+Generated-text report failures are returned with report ID, RunID, and the
+failed operation. When available, the app preserves the latest generated-text
+artifacts already reached by the workflow: preflight output, structured run
+result, raw generated text, validated generated text, and render context.
 When notification is attempted, the debug artifact records request identity,
 including rendered pipeline ID, bundle paths, accepted upload fields,
 distributor status fields, raw status report JSON when available, and redacted
@@ -136,6 +140,8 @@ inspection view.
   runs.
 - Prompt input validation fails before render preflight.
 - Render and run errors preserve Scriptorium stderr and exit-code context.
+- Generated-text report errors preserve available intermediate artifacts and do
+  not create extra output copies.
 - Notification errors are wrapped with report ID, RunID, and managed report path
   context and are recorded separately in batch results.
 - Metadata and artifact path errors include filesystem context.