Report depth export readiness in CLI snapshots

docs/modernization/debt.md

@@ -551,6 +551,13 @@ agent or engineer to remove them without reconstructing context from chat.
   document snapshot before retained `Canvas::export_depth` runs. The actual
   1024x1024 perspective/depth rendering, readback, worker-thread behavior, and
   the legacy `.png` path names carrying JPEG-encoded bytes remain open.
+- 2026-06-05: DEBT-0010/DEBT-0036 were narrowed again.
+  `pano_cli plan-canvas-document-snapshot` now emits the same depth export
+  render-plan readiness as the live adapter. Metadata-only snapshots report
+  depth export unavailable until renderer payload readback is captured;
+  payload-complete snapshots report the 1024x1024 merged-face and per-layer
+  depth draw counts while still marking final depth image readback as
+  renderer-owned.
 
 ## Open Debt