Adds: solution.md reconciliation (cuVSLAM Inertial→Mono-Depth gap),
migration steps through e2e harness, risk budget decision tree,
aero-vloc benchmark action plan with pass/fail criteria,
and SITL GPS_INPUT test decomposition with MAVProxy reference.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Records architectural gap (cuVSLAM Mono has no metric scale),
chosen path (Mono-Depth + barometer), and per-layer decisions
for VO, ESKF, GTSAM, Place Recognition, and MAVLink.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>