* Schedule unit tests across runtimes by measured duration
* Keep new SQLite fixture suites on Node after updating main
* Inject scheduling timings instead of mocking the module
* Keep agent-session database lifecycle contracts on Node
Verified selection plans previously validated each selected filename with a scan of all discovered files. One per-call Set now handles membership checks. Exact source/discovery checks, nonempty selection, fallback to all tests, shard balancing and manifests remain intact.
* ci: stage heavy checks and measure affected-test selection
* fix(ci): exercise the real Git boundary in unit selection planning
* Harden review cancellation and CI demand reporting
* ci: balance existing unit and E2E shards using recorded timings
* ci: fix timing refresh units and deferred-menu test traversal
* ci: preserve isolated E2E window launch policy
* ci: keep diagnostic artifact outages from failing tests
Neil