docs(web-ui): fix interval composer wording + SSE->re-render (iris nits)

docs/web-ui.md

@@ -242,7 +242,7 @@ state + applied dirs; `POST /purge-tombstone/{name}`).
 ### SCH3DUL3S tab
 
 Anything that fires at a future time. Operator-set schedules
-go through the creation form at the top; agent self-paced
+are created inline in the table (last row); agent self-paced
 reminders surface at the bottom as a sibling list (#460 —
 they share enough conceptual ground to live together).
 
@@ -278,18 +278,15 @@ active = `targets_remove`, checked-not-originally-active =
 `✕` button cancels the whole schedule
 (`POST /api/schedules/{id}/cancel`).
 
-An inline creation form above the table lets the operator
-queue a new schedule directly: targets (multi-select
-checkboxes drawn from live container names + `operator` +
-`manager`), prompt body (textarea), first-fire datetime-local
-(pre-filled to 5 minutes from now), an interval composer
-(#466 — preset chips for common durations + separate
-d/h/m/s number fields with a live "↻ every …" preview;
-all-zero = one-shot), and an optional human-readable
-description. On submit the form POSTs to `/api/schedules` as
-JSON; the tab pill shows the count of active schedules (at
-least one live target not yet cancelled). Refreshed on tab
-activation and after each submit/cancel. Backed by
+The table's last row is a permanent inline creation row (#564):
+inputs live directly in table cells (targets as checkboxes,
+body textarea that expands on focus, datetime-local pre-filled
+to 5 minutes from now, mini d/h/m/s number inputs (blank or
+all-zero = one-shot), description). Click `＋` to POST to
+`/api/schedules` as JSON (or `⌫` to clear the half-filled row);
+carry-state preserves partially-typed inputs across re-renders. The tab pill shows the count of active
+schedules (at least one live target not yet cancelled).
+Refreshed on tab activation and after each submit/cancel. Backed by
 `GET /api/schedules`. No backend changes for the table layout
 — it renders entirely from existing `schedulesState` +
 `containersState`.