fix(#2650,#2649): drop reminders tab + pending_reminders chip

hive-c0re's broker reminder store and /api/reminders endpoint were
removed in PR #2644 (reminders migrated to in-container sqlite store).
The dashboard had a QU3U3D R3M1ND3RS section on the schedules tab backed
by that endpoint, and a per-agent badge driven by pending_reminders
(always 0 after the migration).

Remove both. Per-agent reminders now surface through get_loose_ends /
the todos pill on the agent page, consistent with the todos migration.

- frontend/packages/dashboard/src/schedules.js: drop refreshReminders,
  renderReminders, applyRemindersChanged; drop appendLinkified import
  (no longer used); update module comment.
- frontend/packages/dashboard/src/tabs.js: drop applyRemindersChanged
  and refreshReminders imports; remove reminders-section from managed
  list; remove refreshReminders call site; drop reminders_changed from
  SSE dispatch; simplify countdown ticker (reminder-due gone).
- frontend/packages/dashboard/src/dashboard.html: remove QU3U3D
  R3M1ND3RS section.
- frontend/packages/dashboard/src/dashboard.css: remove reminder list +
  row CSS.
- frontend/packages/dashboard/src/common.css: remove .badge-reminder.
- frontend/packages/dashboard/src/swarm.js: remove pending_reminders
  from fingerprint key and badge render.

frontend/packages/dashboard/src/common.css

@@ -77,10 +77,6 @@ code {
   color: var(--muted); border-color: var(--purple-dim);
   background: color-mix(in srgb, var(--muted) 8%, transparent);
 }
-.badge-reminder {
-  color: var(--cyan); border-color: var(--cyan);
-  text-shadow: 0 0 6px color-mix(in srgb, var(--cyan) 40%, transparent);
-}
 .badge-loose-ends {
   color: var(--purple); border-color: var(--purple);
   text-shadow: 0 0 6px color-mix(in srgb, var(--purple) 40%, transparent);

frontend/packages/dashboard/src/dashboard.css

@@ -675,42 +675,6 @@ summary:hover { color: var(--purple); }
   padding: 0.6em 0.9em;
   animation: questions-pulse 2.4s ease-in-out infinite;
 }
-.reminders {
-  list-style: none;
-  padding: 0;
-  margin: 0;
-}
-.reminder-row {
-  padding: 0.4em 0;
-  border-bottom: 1px solid var(--border);
-}
-.reminder-row:last-child { border-bottom: 0; }
-.reminder-head { font-size: 0.9em; }
-.reminder-body {
-  color: var(--fg);
-  white-space: pre-wrap;
-  word-break: break-word;
-  margin: 0.3em 0;
-}
-.reminder-row.reminder-failed {
-  border-left: 2px solid var(--red);
-  padding-left: 0.5em;
-}
-.reminder-error {
-  color: var(--red);
-  background: color-mix(in srgb, var(--red) 6%, transparent);
-  border: 1px solid color-mix(in srgb, var(--red) 25%, transparent);
-  padding: 0.3em 0.5em;
-  font-size: 0.85em;
-  white-space: pre-wrap;
-  word-break: break-word;
-  margin: 0.2em 0;
-}
-.reminder-actions {
-  display: flex;
-  gap: 0.4em;
-  margin-top: 0.3em;
-}
 
 .questions-filters {
   display: flex;

frontend/packages/dashboard/src/dashboard.html

@@ -206,19 +206,6 @@
         <p class="meta">loading…</p>
       </div>
 
-      <!-- QU3U3D R3M1ND3RS: self-scheduled agent reminders. Lives
-           on this tab so the operator has one place for everything
-           that fires at a future time — operator-set schedules
-           above, agent-self reminders here. Backed by GET
-           /api/reminders; live updates via `reminders_changed` SSE;
-           refreshReminders() called from refreshState + tab
-           activation as safety net for disconnect windows. -->
-      <h2>◆ QU3U3D R3M1ND3RS ◆</h2>
-      <div class="divider">══════════════════════════════════════════════════════════════</div>
-      <p class="meta">reminders agents have queued for themselves but not yet delivered. cancel to drop a stuck or unwanted entry.</p>
-      <div id="reminders-section">
-        <p class="meta">loading…</p>
-      </div>
     </section>
 
     <!-- ST4TS: hive-wide turn-stats aggregate lives on its own page now

frontend/packages/dashboard/src/schedules.js

@@ -1,114 +1,24 @@
-// Dashboard SCH3DUL3S tab — reminders + scheduled-prompts.
+// Dashboard SCH3DUL3S tab — scheduled-prompts.
 //
-// Reminders (a separate sqlite table, not part of /api/state) and the
-// operator's scheduled prompts: the lists, the inline create row, the
-// per-row edit form, and the fire-now / cancel actions. Live updates
-// arrive via the `reminders_changed` / `schedules_changed` dashboard
-// events (wired into the entry's mutation dispatch table); the
-// tab-activation re-fetch is the cold-load / reconnect recovery path.
+// The operator's scheduled prompts: the list, the inline create row,
+// the per-row edit form, and the fire-now / cancel actions. Live updates
+// arrive via the `schedules_changed` dashboard event (wired into the
+// entry's mutation dispatch table); the tab-activation re-fetch is the
+// cold-load / reconnect recovery path.
 //
 // Owns its own module state (the schedules list + edit-in-progress
 // tracking); reads the shared agent roster from state.js for the
 // target-chip pickers. Render + format helpers come from util.js.
+//
+// Note: per-agent reminders moved to the in-container store in PR #2644
+// and are no longer listed here — they surface via get_loose_ends /
+// the todos pill on the agent page instead.
 
-import { $, el, appendLinkified } from './common.js';
+import { $, el } from './common.js';
 import { themedConfirm, themedToast } from './modal.js';
 import { paintAtomic, epochSec, fmtAgo, fmtDuration } from './util.js';
 import { containersState } from './state.js';
 import { asyncBtn } from '@hive/shared/forms.js';
-
-export async function refreshReminders() {
-  const liveRoot = $('reminders-section');
-  if (!liveRoot) return;
-  try {
-    const resp = await fetch('/api/reminders');
-    if (!resp.ok) {
-      paintAtomic(liveRoot, (root) => {
-        root.append(el('p', { class: 'empty' }, 'reminders unavailable: http ' + resp.status));
-      });
-      return;
-    }
-    const rows = await resp.json();
-    renderReminders(rows);
-  } catch (err) {
-    paintAtomic(liveRoot, (root) => {
-      root.append(el('p', { class: 'empty' }, 'reminders fetch failed: ' + err));
-    });
-  }
-}
-function renderReminders(rows) {
-  const liveRoot = $('reminders-section');
-  if (!liveRoot) return;
-  paintAtomic(liveRoot, (root) => {
-    if (!rows.length) {
-      root.append(el('p', { class: 'empty' }, 'no queued reminders'));
-      return;
-    }
-    const ul = el('ul', { class: 'reminders' });
-    for (const r of rows) {
-      const failed = (r.attempt_count || 0) > 0;
-      const li = el('li', { class: 'reminder-row' + (failed ? ' reminder-failed' : '') });
-      const dueIn = epochSec(r.due_at) - Math.floor(Date.now() / 1000);
-      const dueLabel = dueIn <= 0
-        ? `overdue ${fmtAgo(r.due_at)}`
-        : `in ${fmtDuration(dueIn)}`;
-      const head = el('div', { class: 'reminder-head' },
-        el('span', { class: 'agent' }, r.agent), ' ',
-        el('span', {
-          class: 'meta reminder-due',
-          title: new Date(r.due_at).toISOString(),
-          'data-due-at': String(epochSec(r.due_at)),
-        }, dueLabel),
-        ' ',
-        el('span', { class: 'meta' }, `· id ${r.id}`),
-      );
-      if (r.file_path) {
-        head.append(' ', el('span', { class: 'meta' }, '· payload → '));
-        appendLinkified(head, r.file_path);
-      }
-      if (failed) {
-        head.append(' ', el('span',
-          {
-            class: 'badge badge-warn',
-            title: 'consecutive failed delivery attempts (capped at 5; over the cap the scheduler stops retrying until you click R3TRY or cancel)',
-          },
-          `⚠ ${r.attempt_count} failed`));
-      }
-      const body = el('div', { class: 'reminder-body' });
-      appendLinkified(body, r.message);
-      li.append(head, body);
-      if (r.last_error) {
-        li.append(el('div', { class: 'reminder-error' },
-          el('span', { class: 'msg-sep' }, 'error: '),
-          r.last_error,
-        ));
-      }
-      const actions = el('div', { class: 'reminder-actions' });
-      if (failed) {
-        // Retry resets the failure counters so the scheduler picks
-        // the row up again on its next 5s tick. No data-no-refresh
-        // — the resulting refreshState re-fires refreshReminders.
-        const retryForm = el('form', {
-          method: 'POST', action: '/api/retry-reminder/' + r.id,
-          class: 'inline', 'data-async': '',
-        });
-        retryForm.append(el('button',
-          { type: 'submit', class: 'btn btn-restart' }, '↻ R3TRY'));
-        actions.append(retryForm);
-      }
-      const cancelForm = el('form', {
-        method: 'POST', action: '/api/cancel-reminder/' + r.id,
-        class: 'inline', 'data-async': '',
-        'data-confirm': `cancel reminder ${r.id} for ${r.agent}? this drops the queued delivery; no undo.`,
-      });
-      cancelForm.append(el('button', { type: 'submit', class: 'btn btn-deny' }, '✗ C4NC3L'));
-      actions.append(cancelForm);
-      li.append(actions);
-      ul.append(li);
-    }
-    root.append(ul);
-  });
-}
 // ─── scheduled prompts ─────────────────────────────────────────────────
 // Backend exposes `/api/schedules` (snapshot), `/api/schedules`
 // (POST, operator-direct submit), `/api/schedules/{id}/cancel`
@@ -1144,6 +1054,3 @@ export function applySchedulesChanged(ev) {
   schedulesState = (ev.schedules || []).slice();
   renderSchedulesList();
 }
-export function applyRemindersChanged(ev) {
-  renderReminders(ev.reminders || []);
-}

frontend/packages/dashboard/src/swarm.js

@@ -459,7 +459,6 @@ function containerRowFingerprint(c, node, pending, opRunning, selected,
     running: c.running,
     needs_login: c.needs_login,
     needs_update: c.needs_update,
-    pending_reminders: c.pending_reminders,
     active_model: c.active_model,
     port: c.port,
     pending,
@@ -672,14 +671,6 @@ function buildContainerLi(c, node, opts) {
       c.active_model));
   }
 
-  if (c.pending_reminders && c.pending_reminders > 0) {
-    head.append(el('span',
-      {
-        class: 'badge badge-reminder',
-        title: 'pending reminders queued for this agent — see the reminders section to view / cancel',
-      },
-      `⏰ ${c.pending_reminders}`));
-  }
   // Pending questions where this agent is the asker (awaiting an
   // answer) or the target (owes a reply). Derived live from
   // questionsState so the badge updates instantly on QuestionAdded /

frontend/packages/dashboard/src/tabs.js

@@ -28,8 +28,8 @@ import {
   initPermissions,
 } from './permissions.js';
 import {
-  applySchedulesChanged, applyRemindersChanged,
-  refreshSchedules, refreshReminders, activeScheduleCount,
+  applySchedulesChanged,
+  refreshSchedules, activeScheduleCount,
 } from './schedules.js';
 import {
   initCall,
@@ -105,11 +105,10 @@ window.marked = marked;
   // a request pending for an hour could still show "0s ago" without
   // this ticker. Also flips `.stale` (amber highlight) at exactly 1h
   // rather than only at the next re-render.
-  // Live countdown for reminder due-at labels and schedule next-fire
-  // cells. Both renderers stamp `data-due-at` on the element so this
-  // single ticker keeps them fresh without triggering a full re-render.
-  // `.reminder-due` -> "overdue X ago" / "in Y"
-  // `.sched-due`    -> same pattern
+  // Live countdown for schedule next-fire cells. Renderers stamp
+  // `data-due-at` on `.sched-due` elements so this single ticker keeps
+  // them fresh without triggering a full re-render. Also keeps
+  // `.approval-ts` stale-highlight fresh at the 1h boundary.
   setInterval(() => {
     const now = Math.floor(Date.now() / 1000);
     document.querySelectorAll('.approval-ts[data-requested-at]').forEach((node) => {
@@ -119,13 +118,13 @@ window.marked = marked;
       node.textContent = 'requested ' + fmtAgo(requestedAt);
       node.classList.toggle('stale', ageSec >= 3600);
     });
-    document.querySelectorAll('.reminder-due[data-due-at], .sched-due[data-due-at]').forEach((node) => {
+    document.querySelectorAll('.sched-due[data-due-at]').forEach((node) => {
       const dueAt = Number(node.getAttribute('data-due-at'));
       if (!Number.isFinite(dueAt)) return;
       const dueIn = dueAt - now;
       node.textContent = dueIn <= 0
         ? 'overdue ' + fmtAgo(dueAt)
-        : (node.classList.contains('reminder-due') ? 'in ' : '') + fmtDuration(dueIn);
+        : fmtDuration(dueIn);
     });
   }, 1000);
 
@@ -139,7 +138,6 @@ window.marked = marked;
     'questions-section',
     'inbox-section',
     'approvals-section',
-    'reminders-section',
     'schedules-section',
     'capabilities-section',
     'tool-groups-section',
@@ -248,7 +246,6 @@ window.marked = marked;
       // #inbox-section element to render into.)
       syncApprovalsFromSnapshot(s);
       renderApprovals();
-      refreshReminders();
       refreshSchedules();
       restoreOpenDetails(openDetails);
       notifyDeltas(s);
@@ -310,7 +307,6 @@ window.marked = marked;
     // rebuild_queue_changed stays: it refreshes the SW4RM badges.
     rebuild_queue_changed:   applyRebuildQueueChanged,
     schedules_changed:       applySchedulesChanged,
-    reminders_changed:       applyRemindersChanged,
     capabilities_changed:    applyCapabilitiesChanged,
     tool_groups_changed:     applyToolGroupsChanged,
   };
@@ -370,8 +366,8 @@ window.marked = marked;
     renderSelectionBar(Array.from(containersState.values()));
     // Re-fetch on activation as a safety net: SSE covers live mutations,
     // re-sync covers disconnect windows / approval-path inserts that
-    // don't yet emit. SCH3DUL3S also re-fetches reminders (same tab).
-    if (target === 'schedules') { refreshSchedules(); refreshReminders(); }
+    // don't yet emit.
+    if (target === 'schedules') { refreshSchedules(); }
     // Permissions tables: SSE covers worker-applied changes
     // (capabilities_changed / tool_groups_changed); re-fetch on
     // activation as a safety net for any gap between SSE events and