Reject non-finite CLI float inputs

docs/modernization/build-inventory.md

@@ -144,7 +144,9 @@ Known local toolchain state:
   covered by `pano_cli_save_project_roundtrip_smoke` and
   `pano_cli_save_project_payload_roundtrip_smoke`, which reload generated
   metadata-only and targeted dirty-face-payload projects through
-  `pano_cli load-project`.
+  `pano_cli load-project`, plus
+  `pano_cli_save_project_rejects_non_finite_opacity`, which verifies rejected
+  automation floats do not create output files.
 - `pano_cli create-document` supports `--frames` and `--frame-duration-ms` and
   is covered by `pano_cli_create_animation_document_smoke`.
 - `pano_cli simulate-document-edits` exercises pure document layer/frame edit

docs/modernization/roadmap.md

@@ -354,7 +354,8 @@ payloads are present.
 visibility, opacity, blend mode, alpha lock, per-layer frame durations, and
 dirty-face payloads targeted to layer/frame/face slots. `pano_cli save-project`
 exposes the generated writer for metadata-only and test dirty-face-payload
-round-trips through `load-project`.
+round-trips through `load-project` and rejects non-finite automation float
+inputs before writing files.
 `pp_document::export_ppi_project_document` converts pure documents into PPI
 bytes using that writer, including PNG-encoded layer/frame face payloads.
 `pano_cli simulate-document-export` exercises that pure document export path,