Expose recording renderer clear reset automation

docs/modernization/build-inventory.md

@@ -316,8 +316,10 @@ Known local toolchain state:
   shader-uniform/texture-bind/sampler-bind/upload/mipmap-generation/texture-transition/texture-copy/readback/
   frame-capture/blit command and byte totals, trace marker/scope counts,
   labeled descriptor counts, backend resource creation counts, plus draw
-  descriptor vertex/index totals, and is covered by
-  `pano_cli_record_render_smoke` plus
+  descriptor vertex/index totals. Its `--exercise-clear` mode verifies
+  interrupted-frame recorder clear/reuse behavior and reports the result in
+  JSON, and is covered by `pano_cli_record_render_smoke`,
+  `pano_cli_record_render_exercises_clear_reset`, plus
   `pano_cli_record_render_rejects_oversized_target`.
 - `pano_cli simulate-document-history` exposes `pp_document::DocumentHistory`
   apply/undo/redo state through JSON automation and is covered by

docs/modernization/roadmap.md

@@ -860,7 +860,10 @@ Results:
   render-pass/depth-clear counts, and draw
   descriptor vertex/index totals, scissor/depth/blend-state plus
   shader-uniform/texture/sampler-bind/upload/mipmap-generation/texture-transition/texture-copy/readback/
-  frame-capture/blit command/byte totals for agent automation, with an
+  frame-capture/blit command/byte totals for agent automation. The
+  `--exercise-clear` mode deliberately clears an interrupted trace/render pass,
+  verifies stale trace-scope state is rejected, verifies the render context can
+  be reused, and then emits that reset status in JSON. It also has an
   expected-failure smoke for oversized render/readback targets.
 - `pano_cli simulate-document-history` exercises pure document history
   apply/undo/redo behavior and emits JSON layer/frame/history state for agent