- notice_table_test: one row per AppEvent variant through noticeFor.
- FlakyProxy (core/testing.dart): pass, blackhole (half-open), delay,
hold, cut after N bytes, reset; demo tests against today's server.
- Liveness (stale/drop/ping) on the engine clock, so grace can be tested
with a fake clock; Connection takes an injectable clock.
- AppDirs with STARSYNC_PROFILE=<name>: separate data and logs, so two
instances run on one machine.
- DEVELOPMENT: scenario list per restructure step; test tags follow the
new step order.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
