Slot drawer Actions visible on open

Noticed while checking Task 8123 on the live stack (Automation › Slots, dev fixture, slot drawer): 1. At 1366×800 the drawer opens with the whole Actions row under the sticky "Delete slot" footer (only button tops show); the operator must scroll to find Session/Start/Logs. Move Actions above the fact list, or pin them with the footer, so the drawer's verbs show on open. 2. The sticky footer gives no cue that content continues beneath it; add a top shadow (or fade) on the footer while the body is scrolled short of its end. 3. Two probe slots in the dev fixture sit at "Destroying 3m" indefinitely; either the seed should not leave them mid-teardown or the pill should say why it is stuck. Out of scope: the drawer's fact list contents (Task 8111), any API change. Done means: - Each item shipped or declined with a reason; WorktreePool web tests pass. - Screenshots of the drawer on open at 1366px and 448px.

PR #6357 is queued to the merge lane, which runs the full gate. All 3 items shipped: the slot drawer's Actions now sit above the fact list, the footer shows a shadow while there is more to scroll, and the dev probe slots no longer sit at "Destroying" (seed fix). Quick gate and web tests are green. Visual check at 1366px and 448px is good. Filed draft Task 8217. Memory: none applied.