Give the number-clipboard test's view double the Authored accessor

[akacross]

Problem

The Validation Script Smoke job has failed on main since 2026-10-15 (8fb8cd3e), and so on every pull request since, which skips all platform validation jobs:

.tmp/ui-number-clipboard-…/validation.cpp:27:25: error: no member named 'Authored' in 'Mock'

8fb8cd3e ("Build retained views faster and share the loaded model instead of copying it") made NumberControlView keep its authored properties by pointer and read them through Authored(id). tools/tests/ui_number_clipboard.py compiles that view's validation block verbatim against a Mock, which still only had the map.

Fix

The Mock gets the same Authored(id) accessor over its map. Production code is unchanged, and the test exercises it exactly as before.

Testing

• python tools/tests/ui_number_clipboard.py now passes locally. It fails on main with the error above.
• To check that nothing later in the same CI step is also broken (CI stopped at this test), I ran all 116 commands from this test onward in the step locally:
  • all pass, except six UI harness tests that this machine's newer clang/libstdc++ rejects for missing <cstdint>/<cmath> includes, which GitHub's runners don't hit;
  • five of those pass with the includes added locally;
  • stock_asset_baseline.py failed once while other tests were running in parallel and passed on a rerun.

🤖 Generated with Claude Code

[themuffinator]

The two-line mock update matches the production Authored() interface. On current main plus this diff, I reproduced the original missing-member compile failure, then ran the full ui_number_clipboard.py harness successfully on Windows/Clang: four production cases and all thirteen compiled mutation checks passed.

The remaining failure in run 39140732412 is a separate pre-existing harness defect: ui_retained_atlas.py extracts math-using production code without . Adding that include to the generated fixture makes the atlas runtime assertions pass locally; I am landing that maintenance fix alongside this integration. This approval is for the test-double fix and does not claim the complete cross-platform CI matrix has passed.