Fix: bash parameter splitting caused {} to break into body JSON.
Changed rpc() to declare params separately.
Removed set -e to allow individual test failures.
FLEET-02: .228 passes 30/30 (3 iterations) — all features validated.
FLEET-03: .198 blocked — backend instability, 15/28 pass.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>