chore(tasks): mark js01, con18-wss, fwd17-19, con18b completed

tasks/adapters/review-002-con18-wss-sweep-exit.md

@@ -1,7 +1,7 @@
 ---
 id: review-002-con18-wss-sweep-exit
 name: Dead-connection fast-fail + bounded from_wss sweep exit (CON-18)
-status: pending
+status: completed
 depends_on: []
 scope: narrow
 risk: low
@@ -56,4 +56,8 @@ plus a sweep-generation counter (exit after N idle sweeps post-EOF).
 The alkcall-side CF-001 note matters: if/when the dead-mux write
 mapping changes, the fail-fast class here should match. Keep the
 WS-02 losslessness invariant intact — fast-fail is an *additional*
-resolution path, not a replacement for the watch signal.
+resolution path, not a replacement for the watch signal.
+
+## Summary
+
+50ms drain interval + monitor return after 8 consecutive empty post-EOF drains (~400ms grace); post-EOF registrations fail fast with retryable CONNECTION_CLOSED; fixed a busy-spin in the old select's eof branch. ADR-070 updated. No public API change.