PASS runtime reset/recovery, two diagnostic banks, zero eligible masks; MMIO simulation only
PASS 120 diagnostic runtime scenarios: two scans, 90 GPIO/config/alias faults across three phases, four scheduling/ownership faults, tick wrap, 24 NACK positions.
PASS integrated full-bank pause, 174 frame matches, diagnostic resume and new sequence; synthetic permissions only
PASS 127 runtime scenarios with explicit power/OE/WDOG/reset off-latch assertions
