diff --git a/frontend/packages/dashboard/src/dashboard.html b/frontend/packages/dashboard/src/dashboard.html
index 690ee87f..fe8546d2 100644
--- a/frontend/packages/dashboard/src/dashboard.html
+++ b/frontend/packages/dashboard/src/dashboard.html
@@ -35,12 +35,11 @@
         <span class="tab-label">◆ Y3R C4LL ◆</span>
         <span class="tab-count tab-count-attn" id="tab-count-call" hidden></span>
       </a>
-      <a class="tab" id="tab-system" href="#system" role="tab"
-         aria-controls="tab-pane-system"
-         data-tab="system">
-        <span class="tab-label">◆ SYST3M ◆</span>
-        <span class="tab-count" id="tab-count-system" hidden></span>
-      </a>
+      <!-- SYST3M moved to its own standalone page (/core.html, "C0R3"),
+           reached from the H0M3 hub — keeps the dashboard tab strip lean.
+           The rebuild-queue STATE still lives in tabs.js (it drives the
+           "building…" badges on SW4RM agent cards); only the SYST3M tab +
+           its section renderers moved out. -->
       <!-- P3RM1SS10NS: per-agent capability grants and tool-group
            assignments. Both tables are fetched on tab activation. -->
       <a class="tab" id="tab-permissions" href="#permissions" role="tab"
@@ -141,43 +140,9 @@
       </div>
     </section>
 
-    <!-- SYST3M: passive / rare-interaction state. Meta inputs (lock
-         bumps), rebuild queue (watch only), kept state from previous
-         tombstoned agents. Per-section content auto-compresses to a
-         one-line summary when empty (JS toggle). -->
-    <section class="tab-pane" id="tab-pane-system" data-tab-pane="system" hidden
-             role="tabpanel" aria-labelledby="tab-system">
-      <h2>◆ M3T4 1NPUTS ◆</h2>
-      <div class="divider">══════════════════════════════════════════════════════════════</div>
-      <p class="meta">select inputs to <code>nix flake update</code> in <code>/meta/</code>. selected agents rebuild in sequence after the lock bump; manager learns each outcome via the usual <code>rebuilt</code> system event.</p>
-      <div id="meta-inputs-section">
-        <p class="meta">loading…</p>
-      </div>
-
-      <h2>◆ R3BU1LD QU3U3 ◆</h2>
-      <div class="divider">══════════════════════════════════════════════════════════════</div>
-      <p class="meta">pending + running rebuilds, meta-updates, and first-spawns. one runs at a time; meta-update cascades nest under their parent. dedup: re-enqueueing a still-queued op collapses into the existing entry.</p>
-      <div id="rebuild-queue-section">
-        <p class="meta">loading…</p>
-      </div>
-
-      <h2>◆ K3PT ST4T3 ◆</h2>
-      <div class="divider">══════════════════════════════════════════════════════════════</div>
-      <div id="tombstones-section">
-        <p class="meta">loading…</p>
-      </div>
-
-      <!-- C0NT41N3R L04D: live cpu + memory per agent container, read
-           from cgroup v2 on the host. Polled only while this tab is
-           active (cpu needs a short two-sample read each refresh). -->
-      <h2>◆ C0NT41N3R L04D ◆</h2>
-      <div class="divider">══════════════════════════════════════════════════════════════</div>
-      <p class="meta">live cpu + memory per agent container, from cgroup v2 on the host. cpu is % of total host capacity (all cores), sampled over ~200ms each refresh; polled every 5s while this tab is open. network is omitted on purpose — agents share the host netns, so there is no per-container counter (see <code>docs/network.md</code>).</p>
-      <div id="container-load-section">
-        <p class="meta">loading…</p>
-      </div>
-
-    </section>
+    <!-- SYST3M pane moved to /core.html (the standalone "C0R3" page):
+         meta inputs, rebuild queue, kept state, container load. Reached
+         from the H0M3 hub. -->
 
     <!-- P3RM1SS10NS: per-agent capability grants + tool-group
          assignments. Both tables are column-driven from the backend
diff --git a/frontend/packages/dashboard/src/tabs.js b/frontend/packages/dashboard/src/tabs.js
index 904a7e57..2a7ef3b8 100644
--- a/frontend/packages/dashboard/src/tabs.js
+++ b/frontend/packages/dashboard/src/tabs.js
@@ -170,54 +170,19 @@ window.marked = marked;
     if (containersState.delete(ev.name)) renderContainersFromState();
   }
 
-  // Derived tombstones + meta_inputs. Both are emitted as full
-  // snapshots (not diffs) — the lists are tiny and recomputing
-  // avoids ordering races between a same-tick destroy + purge.
-  let tombstonesState = [];
-  let metaInputsState = [];
-  // True while a dashboard-triggered meta-update (flake lock bump +
-  // agent rebuild ripple) runs in the background. Cold-loaded from
-  // `s.meta_update_running`, then flipped live by the
-  // `meta_update_running` event. Drives the META INPUTS panel's
-  // disabled "updating…" state.
-  let metaUpdateRunning = false;
-  function syncTombstonesFromSnapshot(s) {
-    tombstonesState = (s.tombstones || []).slice();
-  }
-  function syncMetaInputsFromSnapshot(s) {
-    metaInputsState = (s.meta_inputs || []).slice();
-    metaUpdateRunning = !!s.meta_update_running;
-  }
-  function applyTombstonesChanged(ev) {
-    tombstonesState = (ev.tombstones || []).slice();
-    renderTombstonesFromState();
-  }
-  function applyMetaInputsChanged(ev) {
-    metaInputsState = (ev.inputs || []).slice();
-    renderMetaInputsFromState();
-  }
-  function applyMetaUpdateRunning(ev) {
-    metaUpdateRunning = !!ev.running;
-    renderMetaInputsFromState();
-  }
-  function renderTombstonesFromState() {
-    renderTombstones({ tombstones: tombstonesState });
-  }
-  function renderMetaInputsFromState() {
-    renderMetaInputs({ meta_inputs: metaInputsState });
-  }
-
   // Derived rebuild queue state — cold-loaded from
   // `/api/state.rebuild_queue`, then mutated live by the
-  // `rebuild_queue_changed` snapshot event. Same shape as the meta-
-  // inputs panel (full snapshot per change, no diff).
+  // `rebuild_queue_changed` snapshot event. The SYST3M tab that used to
+  // render this list moved to the standalone /core.html page; the
+  // dashboard keeps the STATE because it drives the "building…" /
+  // "meta-updating…" badges on the SW4RM agent cards (see
+  // inFlightOpsByAgent + docs/web-ui.md::Container row).
   let rebuildQueueState = [];
   function syncRebuildQueueFromSnapshot(s) {
     rebuildQueueState = (s.rebuild_queue || []).slice();
   }
   function applyRebuildQueueChanged(ev) {
     rebuildQueueState = (ev.queue || []).slice();
-    renderRebuildQueueFromState();
     // Re-render the SW4RM tab so newly-queued / newly-running
     // rebuild-queue ops light up the right card with a building…
     // badge, and finished ops fall back to the regular state badges.
@@ -228,8 +193,7 @@ window.marked = marked;
   // (`running` beats `queued`). Used by the container row renderer
   // to surface "building..." / "meta-updating..." badges on the
   // SW4RM tab when an op is still in the rebuild queue but no
-  // operator-initiated transient is set — see docs/web-ui.md::Container
-  // row for the badge cross-reference between SW4RM and SYST3M.
+  // operator-initiated transient is set.
   function inFlightOpsByAgent() {
     const out = new Map();
     for (const e of rebuildQueueState) {
@@ -248,9 +212,6 @@ window.marked = marked;
     }
     return out;
   }
-  function renderRebuildQueueFromState() {
-    renderRebuildQueue({ rebuild_queue: rebuildQueueState });
-  }
 
   // Derived transient state — cold-loaded from /api/state.transients,
   // then mutated live by `transient_set` / `transient_cleared`. Keyed
@@ -832,7 +793,7 @@ window.marked = marked;
     // Belt-and-suspenders for any future page that adds tabs.js
     // without a #containers-section — matches the
     // no-op-when-target-absent convention the other renderers
-    // (renderTombstones, etc.) follow.
+    // (renderQuestions, renderApprovals, etc.) follow.
     if (!root) return;
 
     // Containers come from the derived map (event-driven) rather than
@@ -1274,71 +1235,6 @@ window.marked = marked;
     parent.append(btn);
   }
 
-  function renderTombstones(s) {
-    const root = $('tombstones-section');
-    // #tombstones-section only lives on /dashboard.html (SYST3M tab);
-    // no-op on /flow.html and any other page that loads the shared
-    // bundle without the dashboard's tab panes.
-    if (!root) return;
-    root.replaceChildren();
-    if (!s.tombstones || !s.tombstones.length) {
-      root.append(el('p', { class: 'empty' }, 'no kept state — clean'));
-      return;
-    }
-    const fmtBytes = (n) => {
-      if (n < 1024) return n + ' B';
-      if (n < 1024 * 1024) return (n / 1024).toFixed(1) + ' KB';
-      if (n < 1024 * 1024 * 1024) return (n / (1024 * 1024)).toFixed(1) + ' MB';
-      return (n / (1024 * 1024 * 1024)).toFixed(2) + ' GB';
-    };
-    const fmtAge = (ts) => {
-      if (!ts) return '?';
-      const d = Math.floor((Date.now() / 1000 - ts) / 86400);
-      if (d <= 0) return 'today';
-      if (d === 1) return '1 day ago';
-      return d + ' days ago';
-    };
-    const ul = el('ul', { class: 'containers' });
-    for (const t of s.tombstones) {
-      const li = el('li', { class: 'container-row tombstone' });
-      const head = el('div', { class: 'head' });
-      head.append(
-        el('span', { class: 'name' }, t.name),
-        el('span', { class: 'badge badge-muted' }, 'destroyed'),
-      );
-      if (t.has_creds) {
-        head.append(el('span', { class: 'badge badge-muted' }, 'creds kept'));
-      }
-      head.append(el('span', { class: 'meta' },
-        `${fmtBytes(t.state_bytes)} · ${fmtAge(t.last_seen)}`));
-      li.append(head);
-
-      const actions = el('div', { class: 'actions' });
-      // Reuse the existing spawn form pattern via /request-spawn — operator
-      // can queue an approval that recreates the agent with the same name
-      // and reuses the kept state.
-      const respawn = el('form', {
-        method: 'POST', action: '/request-spawn',
-        class: 'inline', 'data-async': '',
-        'data-confirm': 'queue spawn approval for ' + t.name + '? state will be reused.',
-      });
-      respawn.append(
-        el('input', { type: 'hidden', name: 'name', value: t.name }),
-        el('button', { type: 'submit', class: 'btn btn-start' }, '⊕ R3V1V3'),
-      );
-      actions.append(respawn);
-      actions.append(form(
-        '/purge-tombstone/' + t.name, 'btn-destroy', 'PURG3',
-        'PURGE ' + t.name + '? config history, claude creds, '
-        + 'and notes are all WIPED. no undo.',
-        {}, { noRefresh: true },
-      ));
-      li.append(actions);
-      ul.append(li);
-    }
-    root.append(ul);
-  }
-
   // Derived question state — cold-loaded from /api/state, then mutated
   // live by `question_added` / `question_resolved` dashboard events.
   const QUESTION_HISTORY_LIMIT = 20;
@@ -2098,382 +1994,6 @@ window.marked = marked;
     root.append(ul);
   }
 
-  function renderMetaInputs(s) {
-    const root = $('meta-inputs-section');
-    if (!root) return;
-    // Snapshot which checkboxes the operator has ticked before wiping the
-    // DOM. A MetaInputsChanged event (e.g. triggered by a concurrent
-    // meta-update completing) would otherwise silently clear pending
-    // selections mid-flight. We restore them after rebuilding the list.
-    const checkedInputs = new Set(
-      Array.from(root.querySelectorAll('input[type="checkbox"][data-meta-input]:checked'))
-        .map((cb) => cb.dataset.metaInput),
-    );
-    root.replaceChildren();
-    const inputs = s.meta_inputs || [];
-    if (!inputs.length) {
-      root.append(el('p', { class: 'empty' }, 'meta repo not seeded yet'));
-      return;
-    }
-    if (metaUpdateRunning) {
-      root.append(el('p', { class: 'meta-update-running' },
-        '⏳ meta-update running — flake lock bump + affected agents rebuilding. '
-        + 'watch the agent cards for per-rebuild progress.'));
-    }
-    const form = el('form', {
-      method: 'POST',
-      action: '/meta-update',
-      class: 'meta-inputs-form',
-      'data-async': '',
-      // run_meta_update emits MetaInputsChanged once the lock
-      // bump finishes; per-agent rebuilds fire their own
-      // ContainerStateChanged. No /api/state refetch needed.
-      'data-no-refresh': '',
-      'data-confirm': 'update selected meta flake inputs + rebuild affected agents?',
-    });
-    // Bulk select — the full input tree gets long; ticking each box
-    // one by one is tedious.
-    const bulk = el('div', { class: 'meta-inputs-bulk' });
-    const selAll = el('button', { type: 'button', class: 'meta-bulk-btn' }, 'select all');
-    const selNone = el('button', { type: 'button', class: 'meta-bulk-btn' }, 'select none');
-    bulk.append('bulk: ', selAll, ' ', selNone);
-    form.append(bulk);
-    const ul = el('ul', { class: 'meta-inputs' });
-    for (const inp of inputs) {
-      // `name` is a slash-path from the meta root. Indent depth = its
-      // segment count; the row label shows just the leaf segment, the
-      // full path stays as the checkbox value + the label title.
-      const depth = (inp.name.match(/\//g) || []).length;
-      const leaf = inp.name.slice(inp.name.lastIndexOf('/') + 1);
-      const li = el('li');
-      if (depth > 0) li.style.marginLeft = (depth * 1.3) + 'em';
-      const id = 'meta-input-' + inp.name.replace(/[^a-z0-9-]/gi, '_');
-      const cb = el('input', {
-        type: 'checkbox',
-        name: 'meta_input_' + inp.name,
-        id,
-        value: inp.name,
-        'data-meta-input': inp.name,
-      });
-      if (checkedInputs.has(inp.name)) cb.checked = true;
-      const label = el('label', { for: id, title: inp.name });
-      label.append(cb);
-      if (depth > 0) label.append(el('span', { class: 'meta-input-twig' }, '└ '));
-      label.append(
-        el('span', { class: 'meta-input-name' }, leaf), ' ',
-        el('code', { class: 'meta-input-rev' }, inp.rev.slice(0, 12)), ' ',
-        el('span', { class: 'meta-input-ts' }, fmtAgo(inp.last_modified)),
-      );
-      if (inp.url) {
-        label.append(' ', el('span', { class: 'meta-input-url', title: inp.url },
-          '· ' + truncate(inp.url, 48)));
-      }
-      li.append(label);
-      ul.append(li);
-    }
-    form.append(ul);
-    // Hidden input the POST handler reads — populated at submit
-    // time from the checkbox states. axum's Form extractor doesn't
-    // natively decode repeated keys, so we join into one CSV.
-    const hidden = el('input', { type: 'hidden', name: 'inputs', value: '' });
-    form.append(hidden);
-    const btn = el('button', {
-      type: 'submit',
-      class: 'btn btn-meta-update',
-      disabled: '',
-    }, metaUpdateRunning ? '⏳ UPD4T1NG…' : '◆ UPD4TE & R3BU1LD');
-    form.append(btn);
-    function refreshDisabled() {
-      const any = form.querySelectorAll('input[data-meta-input]:checked').length > 0;
-      // Stay disabled while an update is already in flight — no
-      // stacking a second run on top of the rebuild ripple.
-      if (any && !metaUpdateRunning) btn.removeAttribute('disabled');
-      else btn.setAttribute('disabled', '');
-    }
-    form.addEventListener('change', refreshDisabled);
-    function setAllChecked(val) {
-      for (const b of form.querySelectorAll('input[data-meta-input]')) {
-        b.checked = val;
-      }
-      refreshDisabled();
-    }
-    selAll.addEventListener('click', () => setAllChecked(true));
-    selNone.addEventListener('click', () => setAllChecked(false));
-    form.addEventListener('submit', () => {
-      const selected = Array.from(form.querySelectorAll('input[data-meta-input]:checked'))
-        .map((b) => b.dataset.metaInput);
-      hidden.value = selected.join(',');
-    });
-    root.append(form);
-  }
-
-  // ─── rebuild queue ──────────────────────────────────────────────────────
-  // Keyed row cache for the rebuild-queue list. Maps entry.id → { el, fingerprint }.
-  // Same pattern as containerRowCache: reuse <li> nodes whose state hasn't
-  // changed rather than replacing the entire list on every snapshot event.
-  // The elapsed-time ticker (data-rqe-elapsed + 1s setInterval below) already
-  // updates running-entry timestamps in-place, so started_at doesn't need to
-  // invalidate — including it in the fingerprint only matters for the initial
-  // render of a newly-running entry.
-  const rebuildQueueRowCache = new Map();
-
-  // Glyph + verb per QueueKind. Mirrors the labels used in
-  // hive-c0re::rebuild_queue::QueueKind::as_str.
-  const QUEUE_KIND_GLYPH = {
-    rebuild: '↻',
-    meta_update: '◆',
-    spawn: '✨',
-    destroy: '🗑',
-    restart: '↺',
-    startup_sweep: '⚡',
-    perm_change: '🔑',
-  };
-  const QUEUE_STATE_GLYPH = {
-    queued: '⏸',
-    running: '▶',
-    done: '✔',
-    failed: '✖',
-    cancelled: '⊘',
-  };
-
-  // Fingerprint for a single rebuild-queue row. Everything visible in the
-  // row except the ticking elapsed seconds (handled by data-rqe-elapsed
-  // ticker, not by re-rendering).
-  function rebuildQueueEntryFingerprint(entry, isChild) {
-    return JSON.stringify({
-      state: entry.state,
-      step: entry.step,
-      kind: entry.kind,
-      agent: entry.agent,
-      source: entry.source,
-      started_at: entry.started_at,
-      enqueued_at: entry.enqueued_at,
-      finished_at: entry.finished_at,
-      reason: entry.reason,
-      error: entry.error,
-      build_log_id: entry.build_log_id,
-      isChild,
-    });
-  }
-
-  function renderRebuildQueue(s) {
-    const root = $('rebuild-queue-section');
-    if (!root) return;
-    const queue = s.rebuild_queue || [];
-
-    if (!queue.length) {
-      // Queue drained — show placeholder and purge cache.
-      rebuildQueueRowCache.clear();
-      root.replaceChildren(el('p', { class: 'empty' }, 'queue is empty — nothing pending or in flight.'));
-      return;
-    }
-
-    // Index by id for parent lookup.
-    const byId = new Map(queue.map((e) => [e.id, e]));
-    // Top-level entries first; children render nested under their parent.
-    const tops = queue.filter((e) => e.parent_id == null);
-    const childrenOf = new Map();
-    for (const e of queue) {
-      if (e.parent_id != null) {
-        if (!childrenOf.has(e.parent_id)) childrenOf.set(e.parent_id, []);
-        childrenOf.get(e.parent_id).push(e);
-      }
-    }
-    // Children whose parent isn't in the snapshot (history-evicted) still render flat.
-    const orphans = queue.filter(
-      (e) => e.parent_id != null && !byId.has(e.parent_id),
-    );
-
-    // Build ordered list of <li>, reusing cached nodes for unchanged entries.
-    const orderedLis = [];
-    function addEntry(entry, isChild) {
-      const fp = rebuildQueueEntryFingerprint(entry, isChild);
-      const cached = rebuildQueueRowCache.get(entry.id);
-      let li;
-      if (cached && cached.fingerprint === fp) {
-        li = cached.el;
-      } else {
-        li = renderQueueEntry(entry, byId, isChild);
-        rebuildQueueRowCache.set(entry.id, { el: li, fingerprint: fp });
-      }
-      orderedLis.push(li);
-    }
-    for (const top of tops) {
-      addEntry(top, false);
-      for (const child of childrenOf.get(top.id) || []) {
-        addEntry(child, true);
-      }
-    }
-    for (const o of orphans) {
-      addEntry(o, true);
-    }
-
-    // Drop cache entries for IDs no longer in the snapshot.
-    const liveIds = new Set(queue.map((e) => e.id));
-    for (const [id, entry] of rebuildQueueRowCache) {
-      if (!liveIds.has(id)) {
-        entry.el.remove();
-        rebuildQueueRowCache.delete(id);
-      }
-    }
-
-    // Get or create the <ul>; remove any "empty" placeholder if present.
-    let ul = root.querySelector('ul.rebuild-queue');
-    if (!ul) {
-      ul = el('ul', { class: 'rebuild-queue' });
-      root.replaceChildren(ul);
-    }
-
-    // Reconcile DOM order without a wipe.
-    for (let i = 0; i < orderedLis.length; i++) {
-      if (ul.children[i] !== orderedLis[i]) {
-        ul.insertBefore(orderedLis[i], ul.children[i] ?? null);
-      }
-    }
-    while (ul.children.length > orderedLis.length) ul.lastChild.remove();
-  }
-
-  function renderQueueEntry(entry, _byId, isChild) {
-    const li = el('li', {
-      class: 'rebuild-queue-entry rqe-' + entry.state,
-      'data-id': String(entry.id),
-    });
-    if (isChild) li.classList.add('rqe-child');
-    // State glyph + kind + agent.
-    li.append(
-      el('span', { class: 'rqe-state', title: entry.state }, QUEUE_STATE_GLYPH[entry.state] || '?'),
-      ' ',
-      el('span', { class: 'rqe-kind', title: entry.kind },
-        (QUEUE_KIND_GLYPH[entry.kind] || '?') + ' ' + entry.kind),
-      ' ',
-      el('code', { class: 'rqe-agent' }, entry.agent),
-    );
-    // Source chip (manual / meta_update / auto_update / crash_recover).
-    li.append(' ', el('span', { class: 'rqe-source rqe-source-' + entry.source }, entry.source));
-    // Timing: queued Xs ago when pending, elapsed when running,
-    // finished Xs ago for terminal. Queued + terminal stamps use
-    // data-rqe-enqueued / data-rqe-finished so the 30s ticker below
-    // can keep them fresh — keyed rows persist across snapshots, so
-    // without a ticker "queued 2m ago" would never advance.
-    if (entry.state === 'queued') {
-      li.append(' ', el('span', {
-        class: 'rqe-when',
-        'data-rqe-enqueued': String(entry.enqueued_at),
-      }, '· queued ' + fmtAgo(entry.enqueued_at)));
-    } else if (entry.state === 'running' && entry.started_at) {
-      const elapsed = Math.max(0, Math.floor(Date.now() / 1000 - entry.started_at));
-      li.append(' ', el('span', {
-        class: 'rqe-when',
-        'data-rqe-elapsed': String(entry.started_at),
-      }, '· ' + fmtElapsed(elapsed)));
-    } else if (entry.finished_at) {
-      li.append(' ', el('span', {
-        class: 'rqe-when',
-        'data-rqe-finished': String(entry.finished_at),
-        'data-rqe-state': entry.state,
-      }, '· ' + entry.state + ' ' + fmtAgo(entry.finished_at)));
-    }
-    // Reason (truncated; full text on hover).
-    if (entry.reason) {
-      const r = entry.reason.split('\n')[0];
-      li.append(' ', el('span', { class: 'rqe-reason', title: entry.reason }, '— ' + truncate(r, 60)));
-    }
-    // Current step: backend annotates the in-flight phase on
-    // `running` entries — sub-line below the main row so the
-    // operator can see "what's happening right now" inside a long
-    // build. Terminal transitions clear `step` on the backend so this
-    // doesn't render stale labels on Done / Failed rows.
-    if (entry.step) {
-      li.append(el('div', { class: 'rqe-step' }, '↳ ' + entry.step));
-    }
-    // Live-log link: when a build_log_id is present the update/create op
-    // opened a build_logs row; the SSE stream endpoint lets the operator
-    // follow output in real time without polling.
-    if (entry.build_log_id != null) {
-      li.append(
-        ' ',
-        el('a', {
-          class: 'rqe-log-link',
-          href: '/logs.html?id=' + entry.build_log_id + '#build',
-          target: '_blank',
-          title: 'view build log #' + entry.build_log_id,
-        }, 'logs →'),
-      );
-    }
-    // Error block, when failed.
-    if (entry.error) {
-      li.append(el('pre', { class: 'rqe-error', title: entry.error }, truncate(entry.error, 200)));
-    }
-    // Cancel-X for queued entries. Backend
-    // `POST /api/rebuild-queue/{id}/cancel` refuses Running /
-    // terminal entries, so we surface it only on `queued` rows here
-    // — the operator never sees a dead button. Uses the same
-    // `data-async` form + `data-confirm` pattern as the reminder
-    // cancel, so the global async-form handler takes care of POST +
-    // spinner + error toast. A successful cancel flips `state` from
-    // `queued` → `cancelled` via the live RebuildQueueChanged
-    // snapshot and the row re-renders without this button.
-    if (entry.state === 'queued') {
-      const cancelForm = el('form', {
-        method: 'POST',
-        action: '/api/rebuild-queue/' + entry.id + '/cancel',
-        class: 'inline rqe-cancel',
-        'data-async': '',
-        'data-confirm':
-          `cancel ${entry.kind} for \`${entry.agent}\` (queue id ${entry.id})? ` +
-          `the row drops from the queue and never runs. running / done / failed entries can't be cancelled this way.`,
-      });
-      cancelForm.append(el('button', {
-        type: 'submit',
-        class: 'rqe-cancel-btn',
-        title: 'cancel this queued ' + entry.kind,
-        'aria-label': 'cancel queued ' + entry.kind + ' for ' + entry.agent,
-      }, '✗'));
-      li.append(cancelForm);
-    }
-    return li;
-  }
-
-  // Tick once per second to refresh "running Xs" badges in place
-  // (mirrors the question-TTL ticker pattern above).
-  // Tick rebuild-queue elapsed-time badges once per second.
-  // `.rqe-when[data-rqe-elapsed]` is set on running queue entries by
-  // `renderQueueEntry`; the ticker avoids a full re-render just for the
-  // wall-clock update.
-  setInterval(() => {
-    const now = Math.floor(Date.now() / 1000);
-    for (const span of document.querySelectorAll('.rqe-when[data-rqe-elapsed]')) {
-      const started = parseInt(span.dataset.rqeElapsed, 10);
-      if (!started) continue;
-      const elapsed = Math.max(0, now - started);
-      span.textContent = '· ' + fmtElapsed(elapsed);
-    }
-    for (const span of document.querySelectorAll('.build-logs-runtime[data-bl-elapsed]')) {
-      const started = parseInt(span.dataset.blElapsed, 10);
-      if (!started) continue;
-      const elapsed = Math.max(0, now - started);
-      span.textContent = fmtElapsed(elapsed);
-    }
-  }, 1000);
-
-  // 30s ticker for queued-age and terminal-age labels. Keyed rows
-  // persist across rebuild_queue_changed snapshots, so without this
-  // "queued 1m ago" / "done 5m ago" labels would never advance.
-  setInterval(() => {
-    const now = Math.floor(Date.now() / 1000);
-    for (const span of document.querySelectorAll('.rqe-when[data-rqe-enqueued]')) {
-      const enqueued = parseInt(span.dataset.rqeEnqueued, 10);
-      if (!enqueued) continue;
-      span.textContent = '· queued ' + fmtAgo(enqueued);
-    }
-    for (const span of document.querySelectorAll('.rqe-when[data-rqe-finished]')) {
-      const finished = parseInt(span.dataset.rqeFinished, 10);
-      if (!finished) continue;
-      const state = span.dataset.rqeState || '';
-      span.textContent = '· ' + state + ' ' + fmtAgo(finished);
-    }
-  }, 30_000);
-
   // ─── state polling ──────────────────────────────────────────────────────
   let pollTimer = null;
   // Sections whose innerHTML gets blown away on each refresh. If the
@@ -2481,12 +2001,9 @@ window.marked = marked;
   // tick (or a manual action) will pick it up after they blur.
   const MANAGED_SECTION_IDS = [
     'containers-section',
-    'tombstones-section',
     'questions-section',
     'inbox-section',
     'approvals-section',
-    'meta-inputs-section',
-    'rebuild-queue-section',
     'reminders-section',
     'schedules-section',
     'capabilities-section',
@@ -2582,11 +2099,10 @@ window.marked = marked;
       // `transientsState` + `containersState`, not from `s.*`).
       syncTransientsFromSnapshot(s);
       syncContainersFromSnapshot(s);
-      syncTombstonesFromSnapshot(s);
-      syncMetaInputsFromSnapshot(s);
+      // Rebuild-queue state feeds the SW4RM agent-card badges
+      // (inFlightOpsByAgent); its own panel now lives on /core.html.
       syncRebuildQueueFromSnapshot(s);
       renderContainers(s);
-      renderTombstones(s);
       // Sync the derived approvals + questions stores from the
       // snapshot, then render. Live `*_added` / `*_resolved` events
       // mutate the stores directly and re-render without a snapshot
@@ -2597,8 +2113,6 @@ window.marked = marked;
       // #inbox-section element to render into.)
       syncApprovalsFromSnapshot(s);
       renderApprovals();
-      renderMetaInputs(s);
-      renderRebuildQueue(s);
       refreshReminders();
       refreshSchedules();
       restoreOpenDetails(openDetails);
@@ -2656,9 +2170,9 @@ window.marked = marked;
     transient_cleared: applyTransientCleared,
     container_state_changed: applyContainerStateChanged,
     container_removed:       applyContainerRemoved,
-    tombstones_changed:      applyTombstonesChanged,
-    meta_inputs_changed:     applyMetaInputsChanged,
-    meta_update_running:     applyMetaUpdateRunning,
+    // tombstones_changed / meta_inputs_changed / meta_update_running are
+    // handled on /core.html now (the SYST3M panels moved there).
+    // rebuild_queue_changed stays: it refreshes the SW4RM badges.
     rebuild_queue_changed:   applyRebuildQueueChanged,
     schedules_changed:       applySchedulesChanged,
     reminders_changed:       applyRemindersChanged,
@@ -2732,9 +2246,6 @@ window.marked = marked;
       fetchAndRenderToolGroups();
     }
     if (target === 'call') { refreshOperatorInbox(); }
-    // SYST3M › C0NT41N3R L04D: live cgroup poll only while the tab is
-    // open (cpu needs a short two-sample read each refresh).
-    if (target === 'system') { startContainerLoadPolling(); } else { stopContainerLoadPolling(); }
   }
 
   // ST4TS (hive-wide turn-stats rollup) moved to its own page,
@@ -2742,100 +2253,6 @@ window.marked = marked;
   // stats.js now. The dashboard no longer fetches
   // /api/stats-hive.
 
-  // ─── SYST3M › C0NT41N3R L04D: live per-container cgroup cpu/mem ────────────
-  // Pull-only, polled at 5s ONLY while the SYST3M tab is active (cpu is a
-  // short two-sample read on the server). Data from /api/container-resources.
-  let containerLoadTimer = null;
-
-  function cloadFmtBytes(n) {
-    if (!Number.isFinite(n) || n <= 0) return '0';
-    const u = ['B', 'KiB', 'MiB', 'GiB', 'TiB'];
-    let i = 0; let v = n;
-    while (v >= 1024 && i < u.length - 1) { v /= 1024; i += 1; }
-    return v.toFixed(v < 10 && i > 0 ? 1 : 0) + ' ' + u[i];
-  }
-  function cloadMeter(pct) {
-    const p = Math.max(0, Math.min(100, pct));
-    const cls = p >= 90 ? 'hot' : (p >= 70 ? 'warn' : '');
-    const m = document.createElement('span');
-    m.className = 'cload-meter';
-    m.title = p.toFixed(0) + '%';
-    const f = document.createElement('span');
-    f.className = 'fill' + (cls ? ' ' + cls : '');
-    f.style.width = p + '%';
-    m.append(f);
-    return m;
-  }
-
-  function renderContainerLoad(rows) {
-    const root = $('container-load-section');
-    if (!root) return;
-    if (!Array.isArray(rows) || rows.length === 0) {
-      root.replaceChildren();
-      const p = document.createElement('p'); p.className = 'meta';
-      p.textContent = 'no running agent containers'; root.append(p);
-      return;
-    }
-    const table = document.createElement('table');
-    table.className = 'hive-stats-table';
-    table.innerHTML = '<thead><tr><th>agent</th><th>cpu</th><th>memory</th>'
-      + '<th>peak</th><th>limit</th></tr></thead>';
-    const tb = document.createElement('tbody');
-    for (const r of rows) {
-      const tr = document.createElement('tr');
-
-      const name = document.createElement('td'); name.textContent = r.name; tr.append(name);
-
-      const cpu = document.createElement('td'); cpu.className = 'num';
-      cpu.append((Number(r.cpu_pct) || 0).toFixed(1) + '%', cloadMeter(Number(r.cpu_pct) || 0));
-      tr.append(cpu);
-
-      const mem = document.createElement('td'); mem.className = 'num';
-      const memCur = Number(r.mem_current_bytes) || 0;
-      if (r.mem_max_bytes) {
-        mem.append(cloadFmtBytes(memCur), cloadMeter(100 * memCur / r.mem_max_bytes));
-      } else {
-        mem.textContent = cloadFmtBytes(memCur);
-      }
-      tr.append(mem);
-
-      const peak = document.createElement('td'); peak.className = 'num';
-      peak.textContent = r.mem_peak_bytes ? cloadFmtBytes(Number(r.mem_peak_bytes)) : '—';
-      tr.append(peak);
-
-      const lim = document.createElement('td'); lim.className = 'num';
-      lim.textContent = r.mem_max_bytes ? cloadFmtBytes(Number(r.mem_max_bytes)) : '∞';
-      tr.append(lim);
-
-      tb.append(tr);
-    }
-    table.append(tb);
-    root.replaceChildren(table);
-  }
-
-  async function refreshContainerLoad() {
-    try {
-      const resp = await fetch('/api/container-resources');
-      if (!resp.ok) throw new Error('http ' + resp.status);
-      renderContainerLoad(await resp.json());
-    } catch (e) {
-      const root = $('container-load-section');
-      if (root) {
-        root.replaceChildren();
-        const p = document.createElement('p'); p.className = 'meta';
-        p.textContent = 'container load fetch failed: ' + e; root.append(p);
-      }
-    }
-  }
-  function startContainerLoadPolling() {
-    refreshContainerLoad();
-    if (containerLoadTimer) return;
-    containerLoadTimer = setInterval(refreshContainerLoad, 5000);
-  }
-  function stopContainerLoadPolling() {
-    if (containerLoadTimer) { clearInterval(containerLoadTimer); containerLoadTimer = null; }
-  }
-
   // Wire the shared tab strip now that activateTab + the lazy-load fns it
   // calls are defined. The strip resolves the active tab from the hash
   // (default SW4RM), toggles the active tab/pane + aria-selected, and
@@ -2943,15 +2360,6 @@ window.marked = marked;
     // (which run once on state load, not every tick) compose cleanly.
     const rawTitle = document.title.replace(/^\(\d+\) /, '');
     document.title = callCount > 0 ? `(${callCount}) ${rawTitle}` : rawTitle;
-    // SYST3M — queued + running rebuild_queue entries (terminal
-    // entries are kept for history but aren't 'attention').
-    let sysCount = 0;
-    if (rebuildQueueState) {
-      for (const e of rebuildQueueState) {
-        if (e.state === 'queued' || e.state === 'running') sysCount++;
-      }
-    }
-    setTabCount('system', sysCount);
     // SCH3DUL3S — count of schedules with at least one still-active
     // target (whole-schedule cancellation or all-targets-cancelled
     // means "not waiting on the worker"; those don't pull attention).