Adapt corrections through PromptKit

docs/internal/llm.md

@@ -42,6 +42,14 @@ observability. The adapter returns PromptKit’s validated raw bytes rather than
 re-encoding the decoded target. An empty optional material is represented as
 one space so its named input is retained by PromptKit.
 
+When a request includes semantic correction material, the adapter validates and
+defensively copies it before preparation, then appends exactly two messages
+after the ordinarily rendered prompt: the prior response as an assistant
+message and the correction guidance as a user message. Requests without a
+correction do not add messages or introduce caller roles. Ordinary request
+summaries record correction byte counts and digests only; complete messages are
+available solely in an explicitly requested debug trace.
+
 Client construction may also receive a run-wide reasoning-effort override from
 the CLI factory boundary. The adapter copies the caller-owned pointer and
 creates a fresh PromptKit execution override for each request: a nil pointer