Adds hundreds of unit/integration/e2e tests, fixes WS bcrypt auth, config merge, fleet analytics, agent schedule/log tail, and documents stale PROBLEMS items. Updates PROBLEMS.md, README, and test scripts; ignores local spread-kits and coverage dirs.
Ship live alerts, pool status, AI monitor, remote agent commands, build manager, and uninstall flow; wire Calibrate settings (WS ping, pool traffic log, retention limits) at runtime and exclude server/data from git.
