fix: bring the canvas-editor fuzz target up to the page model

The target built pages without the identity and picture size fields the model gained,
so the bounded fuzz campaign skipped it; with them it ran 141 201 iterations in three
minutes without a finding (evidence/m4/fuzz-bounded).

Assisted-by: claude-fable-5.1
2393166f77clover caruso committed on 9/26/2026, 3:26:20 AMparent0402199
1 file changedLine totals unavailable