MBL Business Element QA

Engine v1.0.0

Writer = Preview parity validation. All elements rendered via BusinessElementCanvas consuming businessElementEngine manifests.

Platform Isolation: This page and all components below are MBL-only. No LFH, Forever Letters, or shared rendering systems are involved.

Final Acceptance Checklist

MBL-only isolation verified
Single-authority architecture verified
businessElementEngine is sole layout authority
No renderer performs independent layout math
Writer = Preview (same manifest consumed)
Writer = Preview = PDF (same engine)
All 4 layout modes rendered
All font size variants rendered
Bold / Italic / Underline rendered
Background colors rendered
Border styles rendered (solid/dashed/dotted)
Corner styles rendered (sharp/soft/round)
Row highlighting rendered
Alignment variants rendered (left/center/right)
Snapshot persistence utilities implemented
Draft regeneration utilities implemented
tc-01Default Vertical — 12pt Inter
Acme Business Solutions
Jane Carpenter
jane@acme.com
https://acme.com
tc-02Bold + Italic — 14pt
Acme Business Solutions
jane@acme.com
tc-03Underline — 12pt
Acme Business Solutions
jane@acme.com
tc-04Background Color — Blue tint
Acme Business Solutions
Jane Carpenter
jane@acme.com
tc-05Solid Border — 2px Blue — Rounded Corners
Acme Business Solutions
jane@acme.com
tc-06Dashed Border — Soft Corners
Acme Business Solutions
jane@acme.com
tc-07Row Highlighting
Acme Business Solutions
Jane Carpenter
jane@acme.com
https://acme.com
+1 (555) 000-1234
tc-08Horizontal Layout — 3 fields
Acme Business Solutions
jane@acme.com
+1 (555) 000-1234
tc-09Centered Layout
Acme Business Solutions
Jane Carpenter
jane@acme.com
tc-10Compact Layout
Acme Business Solutions
Jane Carpenter
jane@acme.com
https://acme.com
tc-11Large Font — 20pt Bold
Acme Business Solutions
jane@acme.com
tc-12Small Font — 8pt — All Fields
Acme Business Solutions
Jane Carpenter
jane@acme.com
https://acme.com
+1 (555) 000-1234
tc-13Full Styling — Border + BG + Highlight + Bold
Acme Business Solutions
Jane Carpenter
jane@acme.com
https://acme.com
tc-14Right Aligned — Dotted Border
Acme Business Solutions
jane@acme.com
businessElementEngine v1.0.0 · businessElementStyles v1.0.0 · MBL-only