Changes
Add collector.status for per-source and per-destination delivery tracking
Restructure CLI with auth, projects, flows command groups; MCP wraps CLI
functions instead of reimplementing API logic
Add Unix-standard stdio support: results to stdout, logs to stderr, stdin
auto-detection, -o for file output
Defer dataLayer historical event replay until after run to prevent event loss
Fix silent event loss when destination processes queued events with mixed
consent states