Update the debug workflow to provide raw LLM output

docs/internal/pipeline.md

@@ -88,9 +88,11 @@ fall back to normal execution and are refreshed by the recorder.
 When workspace debug output is enabled, the CLI passes a debug recorder for the
 current run ID. The runner writes framework-boundary inputs, outputs,
 structured LLM calls, validator calls, timing, and retry attempt metadata
-through that interface. Debug output is not used for resume and can contain
-sensitive source, reference, prompt, and model-output material. Concrete modules
-still do not receive workspace paths.
+through that interface. Each retry or validator attempt records any LLM calls
+made within that attempt in an `llm_calls` array and writes scoped copies of the
+canonical LLM call artifacts under the attempt directory. Debug output is not
+used for resume and can contain sensitive source, reference, prompt, and
+model-output material. Concrete modules still do not receive workspace paths.
 
 ## Registries And Module Specs