async function submit(entries, label) {
    ui.busy = true;
    const signed = await proofFor(entries, label);
    if (signed === null) {
      ui.busy = false;
      await load();
      return false;
    }
    const result = await sendJson("/api/inbox/approve", {items: entries, proof: signed.proof});
    ui.busy = false;
    if (!result.ok || !result.data) {
      toast(`${label}: nicht möglich`, fail(result), false);
      await load();
      return false;
    }
    known.batches.add(result.data.id);
    ui.selected.clear();
    undoToast(result.data, label);
    await load();
    return true;
  }

  function undoToast(batch, label) {
    const left = h("span", {class: "muted"});
    const button = h("button", {type: "button", class: "btn small"}, "Rückgängig");
    const box = h("div", {class: "toast wait", role: "status"}, h("strong", {}, label), h("div", {class: "undo-row"}, left, h("span", {class: "spacer"}), button));
    let timer = 0;
    const count = () => {
      const rest = Math.ceil(batch.due - nowSeconds());
      if (rest <= 0) {
        window.clearInterval(timer);
        box.remove();
        load();
        return;
      }
      left.textContent = `wird in ${rest} s wirksam`;
    };
    timer = window.setInterval(count, 250);
    button.addEventListener("click", async () => {
      window.clearInterval(timer);
      button.disabled = true;
      const result = await send(`/api/inbox/undo/${encodeURIComponent(batch.id)}`, "", "application/json");
      box.remove();
      toast(result.ok ? `Rückgängig: ${label}` : "Zu spät: schon wirksam", result.ok ? [] : [`${result.status} ${result.text}`.trim()], result.ok);
      await load();
    });
    document.getElementById("toasts").append(box);
    count();
  }

  function approveOne(item) {
    if (item.kind === "decision") {
      if (!item.recommended) {
        openItem(item);
        return null;
      }
      return submit([entryOf(item, "approve", item.recommended)], `Entscheidung: ${item.recommended}`);
    }
    return submit([entryOf(item, "approve", "")], `${item.kind === "operator" ? "Ausführen" : "Freigabe"}: ${short(item.title)}`);
  }

  const rejectOne = (item) => submit([entryOf(item, "reject", "")], `Ablehnung: ${short(item.title)}`);
  const chooseOne = (item, label) => submit([entryOf(item, "approve", label)], `Entscheidung: ${label}`);

  function bulk(items, label) {
    const usable = items.filter(selectable);
    if (!usable.length) {
      toast(`${label}: nichts freizugeben`, [], false);
      return;
    }
    const rows = usable.map((item) => h("li", {},
      h("div", {class: "row"}, pill(ITEM_LABELS[item.kind], KIND_TONES[item.kind]), item.kind === "decision" ? h("span", {class: "muted"}, `→ ${item.recommended}`) : null),
      h("strong", {}, item.title),
      item.kind === "operator" ? h("div", {class: "command"}, h("code", {}, item.command)) : null,
      item.kind === "operator" ? h("span", {class: "muted"}, `in ${item.directory}`) : null,
      item.kind === "ask" ? h("div", {class: "command"}, h("code", {}, item.command)) : null));
    const confirm = h("button", {type: "button", class: "btn primary"}, `${usable.length} freigeben`);
    confirm.addEventListener("click", () => {
      closeSheet();
      submit(usable.map((item) => entryOf(item, "approve", item.kind === "decision" ? item.recommended : "")), `${label}: ${usable.length} Einträge`);
    });
    openSheet(label, [h("p", {class: "muted"}, "Jeder Eintrag und jeder volle Befehl, der freigegeben wird. Nach dem Klick signiert der Passkey die ganze Auswahl einmal; danach bleiben 3 s zum Rückgängigmachen."), h("ul", {class: "mini"}, rows), h("div", {class: "actions"}, h("span", {class: "spacer"}), btn("Abbrechen", "btn ghost", closeSheet), confirm)], false);
    confirm.focus();
  }

  async function mark(item, until, pinned) {
    const result = await sendJson("/api/inbox/mark", {kind: item.kind, id: item.id, until, pinned});
    if (!result.ok) {
      toast("Merken fehlgeschlagen", [`${result.status} ${result.text}`.trim()], false);
    }
    await load();
  }

  function tomorrow() {
    const date = new Date();
    date.setDate(date.getDate() + 1);
    date.setHours(8, 0, 0, 0);
    return date.getTime() / 1000;
  }

  function toggle(item) {
    if (!item || !selectable(item)) {
      return;
    }
    const key = keyOf(item);
    if (ui.selected.has(key)) {
      ui.selected.delete(key);
    } else {
      ui.selected.add(key);
    }
    drawInbox();
  }

  function actionsFor(item) {
    if (item.held) {
      return [h("span", {class: "muted"}, "wird wirksam …")];
    }
    const buttons = [];
    if (item.kind === "review" || item.kind === "ask") {
      buttons.push(btn("Freigeben", "btn small primary", () => approveOne(item)), btn("Ablehnen", "btn small danger", () => rejectOne(item)));
    } else if (item.kind === "decision" && item.recommended) {
      buttons.push(btn(`Empfehlung: ${item.recommended}`, "btn small primary", () => approveOne(item)));
    } else if (item.kind === "operator" && item.runnable) {
      buttons.push(btn("Ausführen", "btn small primary", () => approveOne(item)));
    }
    return buttons;
  }

  function inboxItem(item, index) {
    const red = item.kind === "review" && item.gate !== "pass";
    const classes = ["item", isGreen(item) ? "green" : "", red ? "red" : "", item.held ? "held" : "", index === ui.cursor ? "cursor" : ""].filter(Boolean).join(" ");
    const box = h("input", {type: "checkbox", "aria-label": `${item.title} auswählen`, checked: ui.selected.has(keyOf(item)), disabled: !selectable(item), on: {change: () => toggle(item)}});
    return h("li", {class: classes, "data-index": index},
      box,
      h("div", {},
        h("div", {class: "head-row"},
          pill(ITEM_LABELS[item.kind], KIND_TONES[item.kind]),
          item.kind === "review" ? pill(item.gate === "pass" ? "Gate grün" : "Gate rot", item.gate === "pass" ? "ok" : "bad") : null,
          item.warnings.map((warning) => pill(warning, "bad")),
          item.pinned ? pill("angeheftet", "violet") : null,
          item.until ? pill(`bis ${absolute.format(stampOf(item.until))}`, "neutral") : null,
          h("span", {class: "spacer"}), when(item.ts)),
        h("button", {type: "button", class: "linkish", title: "Öffnen", on: {click: () => openItem(item)}}, item.title),
        item.agent ? h("div", {class: "muted"}, "von ", person(item.agent)) : null,
        item.kind === "review" ? h("div", {class: "muted"}, item.detail, item.score ? ` · ${item.score}` : "") : null,
        item.kind === "operator" && item.title !== item.command ? h("div", {class: "command"}, h("code", {}, item.command)) : null,
        item.kind === "operator" ? h("div", {class: "muted"}, `in ${dash(item.directory)}`, item.detail !== "-" ? ` · ${item.detail}` : "") : null,
        item.kind === "ask" ? h("div", {class: "muted"}, `in ${dash(item.directory)}`) : null,
        item.kind === "decision" ? h("div", {class: "options"}, item.options.map((option) => h("button", {
          type: "button", class: `option${option.label === item.recommended ? " recommended" : ""}`, disabled: item.held, on: {click: () => chooseOne(item, option.label)},
        }, h("strong", {}, option.label), option.description ? h("span", {}, option.description) : null))) : null),
      h("div", {class: "item-actions"},
        actionsFor(item),
        item.kind === "operator" ? copyButton(item.command) : null,
        h("span", {class: "spacer"}),
        btn("1 h", "btn small ghost", () => mark(item, nowSeconds() + 3600, item.pinned)),
        btn("morgen", "btn small ghost", () => mark(item, tomorrow(), item.pinned)),
        item.until ? btn("wecken", "btn small ghost", () => mark(item, 0, item.pinned)) : null,
        btn(item.pinned ? "lösen" : "anheften", "btn small ghost", () => mark(item, item.until, !item.pinned))));
  }

  function inboxScreen() {
    inboxDom = h("div", {class: "inbox"});
    return inboxDom;
  }

  function drawInbox() {
    if (!inboxDom) {
      return;
    }
    const items = visibleInbox();
    ui.cursor = Math.min(ui.cursor, Math.max(items.length - 1, 0));
    const present = new Set(items.map(keyOf));
    for (const key of [...ui.selected]) {
      if (!present.has(key)) {
        ui.selected.delete(key);
      }
    }
    const sig = JSON.stringify([items, [...ui.selected], ui.cursor, ui.snoozed, ui.busy, Math.floor(nowSeconds() / 60)]);
    if (sig === inboxSig) {
      return;
    }
    inboxSig = sig;
    const green = items.filter(isGreen);
    const chosen = items.filter((item) => ui.selected.has(keyOf(item)));
    const hidden = state.inbox.length - waitingCount();
    const snoozed = h("input", {type: "checkbox", checked: ui.snoozed, on: {change: (event) => {
      ui.snoozed = event.target.checked;
      drawInbox();
    }}});
    const choose = h("button", {type: "button", class: "btn small soft", disabled: !chosen.length || ui.busy, on: {click: () => bulk(chosen, "Auswahl freigeben")}}, `Auswahl freigeben (${chosen.length})`);
    const all = h("button", {type: "button", class: "btn small primary", disabled: !green.length || ui.busy, on: {click: () => bulk(green, "Alle grünen freigeben")}}, `Alle grünen freigeben (${green.length})`);
    inboxDom.replaceChildren(
      h("div", {class: "inbox-head"}, h("h2", {class: "group-title"}, "Inbox", counter(waitingCount())), h("span", {class: "spacer"}),
        hidden ? h("label", {class: "check"}, snoozed, `${hidden} zurückgestellt`) : null),
      h("div", {class: "inbox-actions"}, choose, all),
      onLocalhost() ? null : h("p", {class: "muted"}, "Freigaben signiert der Passkey nur unter ", localLink()),
      items.length ? h("ol", {class: "inbox-list"}, items.map(inboxItem)) : emptyState("Alles erledigt", "Gerade wartet nichts auf dich."));
    const current = inboxDom.querySelector(`.item[data-index="${ui.cursor}"]`);
    if (current && document.activeElement === document.body) {
      current.scrollIntoView({block: "nearest"});
    }
  }

  function openItem(item) {
    if (!item) {
      return;
    }
    if (item.kind === "review") {
      reviewSheet(item.id);
      return;
    }
    const body = [
      h("div", {class: "who"}, pill(ITEM_LABELS[item.kind], KIND_TONES[item.kind]), item.agent ? face(item.agent, false) : null, item.agent ? person(item.agent) : null, when(item.ts)),
      h("p", {class: "text"}, item.title),
      item.command ? h("div", {class: "command"}, h("code", {}, item.command), copyButton(item.command)) : null,
      meta([["Verzeichnis", item.directory], ["Warnungen", item.warnings.join(", ")], ["Id", item.id]]),
      item.kind === "decision" ? h("div", {class: "options"}, item.options.map((option) => h("button", {
        type: "button", class: `option${option.label === item.recommended ? " recommended" : ""}`, disabled: item.held, on: {click: () => {
          closeSheet();
          chooseOne(item, option.label);
        }},
      }, h("strong", {}, option.label), option.description ? h("span", {}, option.description) : null))) : null,
      h("div", {class: "actions"}, h("span", {class: "spacer"}), actionsFor(item).map((node) => {
        node.addEventListener("click", closeSheet);
        return node;
      })),
    ];
    openSheet(ITEM_LABELS[item.kind], body, false);
  }