Source and visualization unit audit

MATLAB source files checked: 62
MATLAB functions/local functions checked: 149
Missing function unit contracts: 0
MATLAB scripts checked: 22
Missing script unit contracts: 0
Ambiguous axis labels found: 0
Simulink model migration: deferred by user request
Embedded Simulink MATLAB functions migrated: 0/7
Required migrated Simulink signal labels present: 2/8
Stiffness scope scaled to N/m: no
Simulink implementation instructions:
- main/docs/work_done/simulink_si_unit_migration.md

HTML validation:
- docs/codebase_review.html: uncodixify passed
- docs/work_done/frame_fem_definition.html: uncodixify passed

Compile/physical verification blocker:
- MATLAB R2025b has no slrealtime function.
- speedgoatlib_IO112, speedgoatlib_IO113, and slrealtimeloglib are unavailable.
- No-target update, SLRT compilation, target connection, and the requested
  one-minute Speedgoat run cannot execute in this installation.