Add renderer texture copy command

docs/modernization/build-inventory.md

@@ -288,18 +288,18 @@ Known local toolchain state:
   backend-owned resource creation, command order, render-pass color/depth/
   stencil clear intent, scissor state, depth state, blend state, texture-slot
   binding, sampler-state binding, texture-upload byte counts,
-  shader-uniform writes, explicit draw descriptor ranges, readback bounds,
-  frame-capture sources, destination buffer sizes, and render-target blit
-  regions, records
+  shader-uniform writes, explicit draw descriptor ranges, texture-copy regions,
+  readback bounds, frame-capture sources, destination buffer sizes, and
+  render-target blit regions, records
   render-pass-clear/scissor/depth/blend/shader-uniform/texture-bind/
-  sampler-bind/draw/upload/readback/frame-capture/blit commands, draw mesh
-  inputs, explicit draw ranges, and records trace markers without a window or
-  GL context.
+  sampler-bind/draw/upload/texture-copy/readback/frame-capture/blit commands,
+  draw mesh inputs, explicit draw ranges, and records trace markers without a
+  window or GL context.
 - `pano_cli record-render` exposes the recording renderer through JSON
   automation, including render-pass/depth-clear counts, scissor/depth/blend/
-  shader-uniform/texture-bind/sampler-bind/upload/readback/frame-capture/blit
-  command and byte totals, backend resource creation counts, plus draw
-  descriptor vertex/index totals, and is covered by
+  shader-uniform/texture-bind/sampler-bind/upload/texture-copy/readback/
+  frame-capture/blit command and byte totals, backend resource creation counts,
+  plus draw descriptor vertex/index totals, and is covered by
   `pano_cli_record_render_smoke` plus
   `pano_cli_record_render_rejects_oversized_target`.
 - `pano_cli simulate-document-history` exposes `pp_document::DocumentHistory`