fix: apply objectLimit globally

[FJ-CX]

Summary

• applies objectLimit globally across all rendered object groups after layer/step/viewport filtering
• keeps the red limit warning based on the pre-limit filtered object count
• shows the limit warning even when the graphic has no step controls
• adds focused regression coverage for the limiter behavior

/claim #42

Verification

• npx biome check --write site\components\InteractiveGraphics\InteractiveGraphics.tsx site\utils\applyObjectLimit.ts tests\apply-object-limit.test.ts
• npx tsc --noEmit
• npm run build
• npx --yes bun test tests/apply-object-limit.test.ts

Demo

The existing examples/interactive-object-limit-layer-and-step-filtering.fixture.tsx fixture exercises the objectLimit prop with mixed object types, layers, and steps. The implementation now caps the total rendered object count globally and displays the red limit notice using the pre-limit count.

[vercel]

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Project	Deployment	Actions	Updated (UTC)
graphics-debug	Ready	Preview, Comment	May 13, 2026 10:48pm