CB-200: 8 below-A functions — handle_complex_command, format_expr, analyze_expr, bytecode opcode

[noahgift]

pmat comply check: 8 functions below grade A

Lowest complexity (closest to fixable):

• handle_complex_command (25) — dispatch match, pass enum variant to handlers
• examples/score_examples.rs main (48) — example file

Structural (inherent to domain):

• format_expr (166) — AST formatter
• execute_instruction (138) — bytecode VM
• eval_prim (89) — primitive evaluator
• from_u8/name (62/60) — opcode lookup tables
• analyze_expr (59) — linter expression analysis