Implement unified dangerous-action confirmation

User-Visible: yes Issue: #32
2026-10-04 21:58:56 +00:00 · 2026-08-31 00:46:54 +03:00
parent 2782f3b1f3
commit c91ac74e19
40 changed files with 1355 additions and 506 deletions
@@ -1,125 +1,125 @@
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    "houseplan-card.js"
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-    "houseplan-assets/houseplan-editor-runtime-GW9Fe7cM.js",
-    "houseplan-assets/houseplan-onboarding-runtime-DGBnhvQK.js"
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+    "houseplan-assets/fr-0kHbASBE.js",
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+    "houseplan-assets/backdrop-pick-CrdXwxkk.js",
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-    "houseplan-assets/houseplan-onboarding-runtime-DGBnhvQK.js"
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-        "houseplan-assets/houseplan-editor-runtime-GW9Fe7cM.js",
-        "houseplan-assets/houseplan-onboarding-runtime-DGBnhvQK.js"
+        "houseplan-assets/de-CRMfGGHY.js",
+        "houseplan-assets/editor-Cty0mkx9.js",
+        "houseplan-assets/fr-0kHbASBE.js",
+        "houseplan-assets/houseplan-editor-runtime-faIXwkKt.js",
+        "houseplan-assets/houseplan-onboarding-runtime-CTU52wzg.js"
      ]
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-        "houseplan-assets/houseplan-card-CmfEfmU0.js"
+        "houseplan-assets/backdrop-pick-CrdXwxkk.js",
+        "houseplan-assets/houseplan-card-D-vtuSN1.js"
      ],
      "dynamicImports": []
    },
    {
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-        "houseplan-assets/houseplan-card-CmfEfmU0.js"
+        "houseplan-assets/backdrop-pick-CrdXwxkk.js",
+        "houseplan-assets/houseplan-card-D-vtuSN1.js"
      ],
      "dynamicImports": []
    },
    {
      "path": "houseplan-card.js",
-      "sha256": "09a6229f8a43d61062885d99751176376253fbedaf8d399a2c629b94160f2834",
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+        "houseplan-assets/houseplan-card-D-vtuSN1.js"
      ],
      "dynamicImports": []
    }
@@ -1,14 +1,14 @@
-globalThis.__HOUSEPLAN_BUILD_FINGERPRINT__="df605f95ab57127b928c55c631845277f214cb691013a54a87b1882d4cfedaf6";import{b as e,l as o,t,d7 as s,A as a,d8 as i,d9 as l,da as n,E as r,c}from"./houseplan-card-CmfEfmU0.js";class h extends e{constructor(){super(...arguments),this._spaces=null,this._spacesLoading=!1,this._spacesAuthoritative=!1}setConfig(e){this._config=e}async _loadSpaces(){if(!this._spaces&&!this._spacesLoading&&this.hass){this._spacesLoading=!0;try{const e=await this.hass.callWS({type:"houseplan/config/get"});this._spaces=(e?.config?.spaces||[]).map(e=>({value:e.id,label:e.title||e.id})),this._spacesAuthoritative=!0}catch{this._spaces=[],this._spacesAuthoritative=!1}finally{this._spacesLoading=!1}}}get _lang(){return o(this.hass,this._config?.language)}get _floorToken(){const e=this._config?.floor;return"number"==typeof e?`__houseplan_yaml_floor_index__:${String(e)}`:null}get _formData(){const e={...this._config},o=this._floorToken;return o?e.floor=o:Object.prototype.hasOwnProperty.call(e,"floor")||(e.floor=""),e}get _schema(){const e=this._spaces||[],o=this._lang,a=[{value:"",label:t(o,"editor.floor_none")}],i=this._floorToken;i&&a.push({value:i,label:t(o,"editor.floor_index",{index:String(this._config?.floor)})});const l="string"==typeof this._config?.floor?this._config.floor:"";l&&!e.some(e=>e.value===l)&&a.push({value:l,label:l}),a.push(...e);const n="string"==typeof this._config?.default_floor?this._config.default_floor:"",r=[...e];return n&&!e.some(e=>e.value===n)&&r.unshift({value:n,label:n}),[{name:"title",selector:{text:{}}},{name:"floor",selector:{select:{mode:"dropdown",options:a}}},e.length?{name:"default_floor",selector:{select:{mode:"dropdown",options:r}}}:{name:"default_floor",selector:{text:{}}},{name:"language",selector:{select:{mode:"dropdown",options:s(t(o,"editor.lang_auto"),this._config?.language)}}},{name:"icon_size",selector:{number:{min:1,max:6,step:.1,mode:"box"}}},{name:"show_temperature",selector:{boolean:{}}},{name:"live_states",selector:{boolean:{}}},{name:"show_signal",selector:{boolean:{}}},{name:"kiosk",selector:{boolean:{}}},{name:"cycle",selector:{number:{min:0,max:3600,step:5,mode:"box"}}}]}render(){if(!this.hass||!this._config)return a;const e=i(this,l,o(this.hass,this._config.language));if("cold"===e)return n();if("warm"===e)return r;this._loadSpaces();const s=this._lang,h={title:t(s,"editor.title"),floor:t(s,"editor.floor"),default_floor:t(s,"editor.default_floor"),language:t(s,"editor.language"),icon_size:t(s,"editor.icon_size"),show_temperature:t(s,"editor.show_temperature"),live_states:t(s,"editor.live_states"),show_signal:t(s,"editor.show_signal"),kiosk:t(s,"editor.kiosk"),cycle:t(s,"editor.cycle")},f=this._schema,_=function(e,o,t){if(!t||null===o)return null;const s="string"==typeof e?.default_floor?e.default_floor:"";return!s||o.some(e=>e.value===s)?null:s}(this._config,this._spaces,this._spacesAuthoritative),d=e=>c`<ha-form
+globalThis.__HOUSEPLAN_BUILD_FINGERPRINT__="ecff1039f2dcfe8ac73d4577e08c3133dfd7f57535b7debdc590d5bc64471022";import{b as e,l as o,t,d7 as s,A as a,d8 as i,d9 as l,da as n,E as r,c}from"./houseplan-card-D-vtuSN1.js";class f extends e{constructor(){super(...arguments),this._spaces=null,this._spacesLoading=!1,this._spacesAuthoritative=!1}setConfig(e){this._config=e}async _loadSpaces(){if(!this._spaces&&!this._spacesLoading&&this.hass){this._spacesLoading=!0;try{const e=await this.hass.callWS({type:"houseplan/config/get"});this._spaces=(e?.config?.spaces||[]).map(e=>({value:e.id,label:e.title||e.id})),this._spacesAuthoritative=!0}catch{this._spaces=[],this._spacesAuthoritative=!1}finally{this._spacesLoading=!1}}}get _lang(){return o(this.hass,this._config?.language)}get _floorToken(){const e=this._config?.floor;return"number"==typeof e?`__houseplan_yaml_floor_index__:${String(e)}`:null}get _formData(){const e={...this._config},o=this._floorToken;return o?e.floor=o:Object.prototype.hasOwnProperty.call(e,"floor")||(e.floor=""),e}get _schema(){const e=this._spaces||[],o=this._lang,a=[{value:"",label:t(o,"editor.floor_none")}],i=this._floorToken;i&&a.push({value:i,label:t(o,"editor.floor_index",{index:String(this._config?.floor)})});const l="string"==typeof this._config?.floor?this._config.floor:"";l&&!e.some(e=>e.value===l)&&a.push({value:l,label:l}),a.push(...e);const n="string"==typeof this._config?.default_floor?this._config.default_floor:"",r=[...e];return n&&!e.some(e=>e.value===n)&&r.unshift({value:n,label:n}),[{name:"title",selector:{text:{}}},{name:"floor",selector:{select:{mode:"dropdown",options:a}}},e.length?{name:"default_floor",selector:{select:{mode:"dropdown",options:r}}}:{name:"default_floor",selector:{text:{}}},{name:"language",selector:{select:{mode:"dropdown",options:s(t(o,"editor.lang_auto"),this._config?.language)}}},{name:"icon_size",selector:{number:{min:1,max:6,step:.1,mode:"box"}}},{name:"show_temperature",selector:{boolean:{}}},{name:"live_states",selector:{boolean:{}}},{name:"show_signal",selector:{boolean:{}}},{name:"kiosk",selector:{boolean:{}}},{name:"cycle",selector:{number:{min:0,max:3600,step:5,mode:"box"}}}]}render(){if(!this.hass||!this._config)return a;const e=i(this,l,o(this.hass,this._config.language));if("cold"===e)return n();if("warm"===e)return r;this._loadSpaces();const s=this._lang,f={title:t(s,"editor.title"),floor:t(s,"editor.floor"),default_floor:t(s,"editor.default_floor"),language:t(s,"editor.language"),icon_size:t(s,"editor.icon_size"),show_temperature:t(s,"editor.show_temperature"),live_states:t(s,"editor.live_states"),show_signal:t(s,"editor.show_signal"),kiosk:t(s,"editor.kiosk"),cycle:t(s,"editor.cycle")},h=this._schema,_=function(e,o,t){if(!t||null===o)return null;const s="string"==typeof e?.default_floor?e.default_floor:"";return!s||o.some(e=>e.value===s)?null:s}(this._config,this._spaces,this._spacesAuthoritative),d=e=>c`<ha-form
        .hass=${this.hass}
        .data=${this._formData}
        .schema=${e}
-        .computeLabel=${e=>h[e.name]||e.name}
+        .computeLabel=${e=>f[e.name]||e.name}
        @value-changed=${this._valueChanged}
      ></ha-form>`;return c`
-      ${d(f.slice(0,3))}
+      ${d(h.slice(0,3))}
      ${_?c`<div class="default-floor-error" role="alert"
        style="color:var(--error-color,#db4437);margin:-4px 0 12px;overflow-wrap:anywhere">
        ${t(s,"editor.default_floor_missing",{id:_})}
      </div>`:a}
-      ${d(f.slice(3))}
-    `}_valueChanged(e){const o={...this._config,...e.detail.value};""===o.floor?delete o.floor:o.floor===this._floorToken&&(o.floor=this._config?.floor);const t=new Event("config-changed",{bubbles:!0,composed:!0});t.detail={config:o},this.dispatchEvent(t)}}h.properties={hass:{attribute:!1},_config:{state:!0},_spaces:{state:!0}},customElements.get("houseplan-card-editor")||customElements.define("houseplan-card-editor",h);
+      ${d(h.slice(3))}
+    `}_valueChanged(e){const o={...this._config,...e.detail.value};""===o.floor?delete o.floor:o.floor===this._floorToken&&(o.floor=this._config?.floor);const t=new Event("config-changed",{bubbles:!0,composed:!0});t.detail={config:o},this.dispatchEvent(t)}}f.properties={hass:{attribute:!1},_config:{state:!0},_spaces:{state:!0}},customElements.get("houseplan-card-editor")||customElements.define("houseplan-card-editor",f);
@@ -1 +1 @@
-globalThis.__HOUSEPLAN_BUILD_FINGERPRINT__="df605f95ab57127b928c55c631845277f214cb691013a54a87b1882d4cfedaf6";try{await import("./houseplan-assets/houseplan-card-CmfEfmU0.js")}catch(e){if(!customElements.get("houseplan-card")){const l=String(navigator.language||"en").toLowerCase();const m=l.startsWith("ru")?"House Plan обновился — перезагрузите страницу (Ctrl+F5).":l.startsWith("de")?"House Plan wurde aktualisiert — bitte laden Sie die Seite neu (Strg+F5).":l.startsWith("fr")?"House Plan a été mis à jour — veuillez recharger la page (Ctrl+F5).":"House Plan was updated — please reload the page (Ctrl+F5).";customElements.define("houseplan-card",class extends HTMLElement{setConfig(){}getCardSize(){return 1}connectedCallback(){this.style.cssText="display:block;box-sizing:border-box;padding:16px;border:1px solid var(--divider-color,#e0e0e0);border-radius:var(--ha-card-border-radius,12px);background:var(--card-background-color,#fff);color:var(--primary-text-color,#212121);font:14px/1.4 var(--paper-font-body1_-_font-family,sans-serif)";this.textContent=m}})}console.error("[houseplan] stale entry: the main chunk is unavailable",e)}
+globalThis.__HOUSEPLAN_BUILD_FINGERPRINT__="ecff1039f2dcfe8ac73d4577e08c3133dfd7f57535b7debdc590d5bc64471022";try{await import("./houseplan-assets/houseplan-card-D-vtuSN1.js")}catch(e){if(!customElements.get("houseplan-card")){const l=String(navigator.language||"en").toLowerCase();const m=l.startsWith("ru")?"House Plan обновился — перезагрузите страницу (Ctrl+F5).":l.startsWith("de")?"House Plan wurde aktualisiert — bitte laden Sie die Seite neu (Strg+F5).":l.startsWith("fr")?"House Plan a été mis à jour — veuillez recharger la page (Ctrl+F5).":"House Plan was updated — please reload the page (Ctrl+F5).";customElements.define("houseplan-card",class extends HTMLElement{setConfig(){}getCardSize(){return 1}connectedCallback(){this.style.cssText="display:block;box-sizing:border-box;padding:16px;border:1px solid var(--divider-color,#e0e0e0);border-radius:var(--ha-card-border-radius,12px);background:var(--card-background-color,#fff);color:var(--primary-text-color,#212121);font:14px/1.4 var(--paper-font-body1_-_font-family,sans-serif)";this.textContent=m}})}console.error("[houseplan] stale entry: the main chunk is unavailable",e)}
@@ -0,0 +1,267 @@
+// #32: one House Plan confirmation surface owns destructive actions in View,
+// onboarding and every editor.  This smoke covers the real dialog contract,
+// then exercises every migrated mutation class through both lazy runtimes.
+import { launch, checkAll, finish } from './serve.mjs';
+
+const { page, browser } = await launch({ width: 320, height: 760 });
+const out = await page.evaluate(async () => {
+  const result = {};
+  const card = window.__card;
+  await card._ensureOnboardingRuntime();
+  const editor = card._editorRuntime;
+  const onboarding = card._onboardingRuntime;
+  const root = () => card.shadowRoot || card.renderRoot;
+  const settle = async () => {
+    await card.updateComplete;
+    await new Promise((resolve) => requestAnimationFrame(() => requestAnimationFrame(resolve)));
+  };
+  const deepActive = () => {
+    let active = document.activeElement;
+    while (active?.shadowRoot?.activeElement) active = active.shadowRoot.activeElement;
+    return active;
+  };
+  const request = (key = 'delete-plan') => ({
+    key,
+    kind: 'destructive',
+    title: card._t('confirm.delete_plan_title'),
+    message: card._t('confirm.delete_plan_body'),
+    objectName: 'A deliberately very long plan filename — Grundriss für das Dachgeschoss.png',
+    confirmLabel: card._t('btn.delete'),
+    cancelLabel: card._t('btn.cancel'),
+  });
+  const visible = () => {
+    const component = root().querySelector('hp-confirm');
+    const dialog = component?.querySelector('hp-dialog');
+    return {
+      component,
+      dialog,
+      native: dialog?.shadowRoot?.querySelector('dialog'),
+      surface: dialog?.shadowRoot?.querySelector('.surface'),
+      footer: dialog?.querySelector('.danger-confirm-footer'),
+      buttons: [...(dialog?.querySelectorAll('.danger-confirm-footer button') || [])],
+    };
+  };
+
+  const opener = document.createElement('button');
+  opener.textContent = 'danger action';
+  root().append(opener);
+  opener.focus();
+  const cancelled = card._confirmDanger(request());
+  await settle();
+  let ui = visible();
+  result.sharedDialogVisible = !!ui.component && !!ui.native?.open
+    && ui.dialog?.title === card._t('confirm.delete_plan_title');
+  result.cancelHasInitialFocus = deepActive() === ui.buttons[0]
+    && ui.buttons[0]?.hasAttribute('autofocus');
+  result.narrowContentFits = !!ui.surface && !!ui.footer
+    && ui.surface.getBoundingClientRect().left >= -1
+    && ui.surface.getBoundingClientRect().right <= innerWidth + 1
+    && ui.surface.scrollWidth <= ui.surface.clientWidth + 1
+    && ui.footer.scrollWidth <= ui.footer.clientWidth + 1
+    && ui.buttons.every((button) => button.getBoundingClientRect().right <= innerWidth + 1);
+  ui.buttons[0].click();
+  result.cancelButtonIsSafe = await cancelled === false;
+  await settle();
+  result.cancelRestoresFocus = deepActive() === opener;
+
+  const accepted = card._confirmDanger(request());
+  await settle();
+  ui = visible();
+  ui.buttons[1].click();
+  result.acceptButtonResolvesOnce = await accepted === true;
+
+  const escaped = card._confirmDanger(request('escape'));
+  await settle();
+  deepActive()?.dispatchEvent(new KeyboardEvent('keydown', {
+    key: 'Escape', bubbles: true, composed: true, cancelable: true,
+  }));
+  result.escapeIsSafe = await escaped === false;
+
+  const closed = card._confirmDanger(request('close'));
+  await settle();
+  visible().dialog.shadowRoot.querySelector('.close').click();
+  result.closeIsSafe = await closed === false;
+
+  const scrimmed = card._confirmDanger(request('scrim'));
+  await settle();
+  const native = visible().native;
+  native.dispatchEvent(new MouseEvent('click', { bubbles: true }));
+  result.scrimIsSafe = await scrimmed === false;
+
+  const first = card._confirmDanger(request('first'));
+  const second = card._confirmDanger(request('second'));
+  await settle();
+  visible().buttons[1].click();
+  result.replacementCancelsOldRequest = await first === false && await second === true;
+
+  const localeFits = async (language, expectedCancel) => {
+    card._config = { ...(card._config || {}), language };
+    card.requestUpdate();
+    for (let attempt = 0; attempt < 50 && card._t('btn.cancel') !== expectedCancel; attempt++) {
+      await new Promise((resolve) => setTimeout(resolve, 10));
+      await settle();
+    }
+    const pending = card._confirmDanger(request(`locale-${language}`));
+    await settle();
+    const current = visible();
+    const fits = current.buttons[0]?.textContent.trim() === expectedCancel
+      && current.surface.scrollWidth <= current.surface.clientWidth + 1
+      && current.footer.scrollWidth <= current.footer.clientWidth + 1;
+    current.buttons[0].click();
+    await pending;
+    return fits;
+  };
+  result.germanNarrowFits = await localeFits('de', 'Abbrechen');
+  result.frenchNarrowFits = await localeFits('fr', 'Annuler');
+  opener.remove();
+
+  // From here the UI promise is replaced with deterministic decisions so the
+  // action matrix can prove mutation ownership independently of layout.
+  const originalConfirm = card._confirmDanger;
+  let decision = false;
+  card._confirmDanger = async () => decision;
+  let geometryCommits = 0;
+  editor._geometrySnapshot = () => ({ spaceId: 'danger-space' });
+  editor._commitPhysicalGeometry = () => { geometryCommits++; return true; };
+
+  const baseSpace = () => ({
+    id: 'danger-space', title: 'Danger space', cell_cm: 5,
+    view_box: [0, 0, 1, 1], rooms: [], settings: {},
+  });
+  const setDraft = (draft) => {
+    card._space = 'danger-space';
+    card._serverCfg = { spaces: [{ ...baseSpace(), room_drafts: [draft] }], markers: [], settings: {} };
+  };
+
+  setDraft({ id: 'draft-whole', points: [[0, 0], [1, 0]], segments: [{ cm: 10 }] });
+  card._physicalDialog = { kind: 'draft', id: 'draft-whole', segment: 0, cm: '10', length: '1 m' };
+  await editor._deleteDraftWhole();
+  const wholeCancel = card._serverCfg.spaces[0].room_drafts.length === 1 && geometryCommits === 0;
+  decision = true;
+  await editor._deleteDraftWhole();
+  result.draftWholeCancelAccept = wholeCancel
+    && !card._serverCfg.spaces[0].room_drafts && geometryCommits === 1;
+
+  decision = false;
+  setDraft({
+    id: 'draft-segment', points: [[0, 0], [0.5, 0], [1, 0]],
+    segments: [{ cm: 10 }, { cm: 10 }],
+  });
+  card._physicalDialog = { kind: 'draft', id: 'draft-segment', segment: 0, cm: '10', length: '1 m' };
+  await editor._deleteDraftSegment();
+  const segmentCancel = card._serverCfg.spaces[0].room_drafts[0].segments.length === 2
+    && geometryCommits === 1;
+  decision = true;
+  await editor._deleteDraftSegment();
+  result.draftSegmentCancelAccept = segmentCancel
+    && card._serverCfg.spaces[0].room_drafts[0].segments.length === 1
+    && geometryCommits === 2;
+
+  let configSaves = 0;
+  editor._saveConfigNow = async () => { configSaves++; };
+  card._serverCfg = {
+    spaces: [baseSpace()], settings: {},
+    markers: [{ id: 'danger-marker', binding: 'entity:switch.danger', space: 'danger-space' }],
+  };
+  card._devices = [];
+  card._markerDialog = { devId: 'danger-marker', name: 'Danger marker', busy: false };
+  decision = false;
+  await editor._deleteMarker();
+  const markerCancel = card._serverCfg.markers.length === 1 && configSaves === 0;
+  decision = true;
+  await editor._deleteMarker();
+  result.markerCancelAccept = markerCancel && card._serverCfg.markers.length === 1
+    && card._serverCfg.markers[0].id === 'danger-marker'
+    && card._serverCfg.markers[0].removed === true
+    && card._serverCfg.markers[0].hidden === true && configSaves === 1;
+
+  const wsCalls = [];
+  card.hass = {
+    ...card.hass,
+    callWS: async (message) => {
+      wsCalls.push(message);
+      if (message.type === 'houseplan/config/get') return { config: card._serverCfg, rev: 1 };
+      if (message.type === 'houseplan/layout/get') return { layout: card._layout, rev: 1 };
+      return {};
+    },
+  };
+  const setPlanDialog = () => {
+    card._spaceDialog = {
+      mode: 'edit', spaceId: 'danger-space', title: 'Danger space', planUrl: null,
+      planFile: null, source: 'draw', showBorders: true, showNames: true,
+      zeroWallStyle: 'dashed', displayTouched: true, hideDecor: false,
+      hideOpenings: false, roomColor: '#888888', roomOpacity: 1, bgColor: null,
+      bgMode: null, northDeg: null, sunRays: null, fillMode: 'custom', customFill: null,
+      glowEnabled: true, tempMin: 15, tempMax: 30, showLqi: true, cardFontScale: 1,
+      labelTemp: true, labelHum: true, labelLqi: true, labelLight: true, cellCm: 5,
+      busy: false, saved: [{ name: 'old.png', url: '/old.png', size: 1, modified: 1, used_by: [] }],
+    };
+  };
+  for (const [name, runtime] of [['editor', editor], ['onboarding', onboarding]]) {
+    setPlanDialog();
+    decision = false;
+    const before = wsCalls.length;
+    await runtime._deleteServerPlan('old.png');
+    const cancelSafe = wsCalls.length === before;
+    decision = true;
+    await runtime._deleteServerPlan('old.png');
+    result[`${name}PlanCancelAccept`] = cancelSafe
+      && wsCalls.filter((call) => call.type === 'houseplan/plans/delete').length
+        === (name === 'editor' ? 1 : 2);
+  }
+
+  card._saveConfigDebounced.cancel();
+  card._persistLayout.cancel();
+  card._writeChain = Promise.resolve();
+  card._adoptStructuralResponses = () => ({ configChanged: false, layoutChanged: false });
+  for (const [name, runtime] of [['editor', editor], ['onboarding', onboarding]]) {
+    card._space = 'another-space';
+    card._serverCfg = { spaces: [baseSpace()], markers: [], settings: {} };
+    setPlanDialog();
+    decision = false;
+    const before = wsCalls.filter((call) => call.type === 'houseplan/space/delete').length;
+    await runtime._deleteSpace();
+    const cancelSafe = wsCalls.filter((call) => call.type === 'houseplan/space/delete').length === before;
+    decision = true;
+    await runtime._deleteSpace();
+    result[`${name}SpaceCancelAccept`] = cancelSafe
+      && wsCalls.filter((call) => call.type === 'houseplan/space/delete').length === before + 1;
+  }
+
+  const services = [];
+  card._openingEntityAvailable = () => true;
+  card._openingInfo = {
+    id: 'door', type: 'door', rx: 0.5, ry: 0.5, len_cm: 90, lock: 'lock.danger',
+  };
+  card.hass = {
+    ...card.hass,
+    states: {
+      ...card.hass.states,
+      'lock.danger': { entity_id: 'lock.danger', state: 'locked', attributes: { friendly_name: 'Door' } },
+    },
+    callService: async (...args) => { services.push(args); },
+  };
+  decision = false;
+  await card._lockAction('lock.danger', 'unlock');
+  const unlockCancel = services.length === 0;
+  decision = true;
+  await card._lockAction('lock.danger', 'unlock');
+  result.unlockCancelAccept = unlockCancel && services.length === 1
+    && services[0][0] === 'lock' && services[0][1] === 'unlock';
+
+  let resolveRace;
+  card._confirmDanger = () => new Promise((resolve) => { resolveRace = resolve; });
+  setDraft({ id: 'race-draft', points: [[0, 0], [1, 0]], segments: [{ cm: 10 }] });
+  card._physicalDialog = { kind: 'draft', id: 'race-draft', segment: 0, cm: '10', length: '1 m' };
+  const raced = editor._deleteDraftWhole();
+  card._space = 'changed-space';
+  resolveRace(true);
+  await raced;
+  result.staleContextCannotMutate = card._serverCfg.spaces[0].room_drafts.length === 1
+    && geometryCommits === 2;
+  card._confirmDanger = originalConfirm;
+  return result;
+});
+
+checkAll(out);
+await finish(browser, out);
@@ -1,125 +1,125 @@
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  "entry": "houseplan-card.js",
  "initialViewFiles": [
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+    "houseplan-assets/houseplan-card-D-vtuSN1.js",
    "houseplan-card.js"
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-    "houseplan-assets/houseplan-editor-runtime-GW9Fe7cM.js",
-    "houseplan-assets/houseplan-onboarding-runtime-DGBnhvQK.js"
+    "houseplan-assets/backdrop-pick-CrdXwxkk.js",
+    "houseplan-assets/de-CRMfGGHY.js",
+    "houseplan-assets/editor-Cty0mkx9.js",
+    "houseplan-assets/fr-0kHbASBE.js",
+    "houseplan-assets/houseplan-editor-runtime-faIXwkKt.js",
+    "houseplan-assets/houseplan-onboarding-runtime-CTU52wzg.js"
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-  "lazyGzipBytes": 198441,
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  "lazyEditorFiles": [
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-    "houseplan-assets/editor-D6GcOhVt.js",
-    "houseplan-assets/houseplan-editor-runtime-GW9Fe7cM.js"
+    "houseplan-assets/backdrop-pick-CrdXwxkk.js",
+    "houseplan-assets/editor-Cty0mkx9.js",
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-  "lazyEditorGzipBytes": 143904,
+  "lazyEditorGzipBytes": 144465,
  "lazyOnboardingFiles": [
-    "houseplan-assets/backdrop-pick-DqwGWZaP.js",
-    "houseplan-assets/houseplan-onboarding-runtime-DGBnhvQK.js"
+    "houseplan-assets/backdrop-pick-CrdXwxkk.js",
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  "lazyLocaleFiles": [
-    "houseplan-assets/de-Cgy8LzOQ.js",
-    "houseplan-assets/fr-DialrZDD.js"
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-  "lazyLocaleGzipBytes": 47816,
+  "lazyLocaleGzipBytes": 48178,
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+        "houseplan-assets/houseplan-card-D-vtuSN1.js"
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    {
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-        "houseplan-assets/houseplan-editor-runtime-GW9Fe7cM.js",
-        "houseplan-assets/houseplan-onboarding-runtime-DGBnhvQK.js"
+        "houseplan-assets/de-CRMfGGHY.js",
+        "houseplan-assets/editor-Cty0mkx9.js",
+        "houseplan-assets/fr-0kHbASBE.js",
+        "houseplan-assets/houseplan-editor-runtime-faIXwkKt.js",
+        "houseplan-assets/houseplan-onboarding-runtime-CTU52wzg.js"
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      "imports": [
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-        "houseplan-assets/houseplan-card-CmfEfmU0.js"
+        "houseplan-assets/backdrop-pick-CrdXwxkk.js",
+        "houseplan-assets/houseplan-card-D-vtuSN1.js"
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      "dynamicImports": []
    },
    {
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-        "houseplan-assets/houseplan-card-CmfEfmU0.js"
+        "houseplan-assets/backdrop-pick-CrdXwxkk.js",
+        "houseplan-assets/houseplan-card-D-vtuSN1.js"
      ],
      "dynamicImports": []
    },
    {
      "path": "houseplan-card.js",
-      "sha256": "09a6229f8a43d61062885d99751176376253fbedaf8d399a2c629b94160f2834",
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+        "houseplan-assets/houseplan-card-D-vtuSN1.js"
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@@ -1,14 +1,14 @@
-globalThis.__HOUSEPLAN_BUILD_FINGERPRINT__="df605f95ab57127b928c55c631845277f214cb691013a54a87b1882d4cfedaf6";import{b as e,l as o,t,d7 as s,A as a,d8 as i,d9 as l,da as n,E as r,c}from"./houseplan-card-CmfEfmU0.js";class h extends e{constructor(){super(...arguments),this._spaces=null,this._spacesLoading=!1,this._spacesAuthoritative=!1}setConfig(e){this._config=e}async _loadSpaces(){if(!this._spaces&&!this._spacesLoading&&this.hass){this._spacesLoading=!0;try{const e=await this.hass.callWS({type:"houseplan/config/get"});this._spaces=(e?.config?.spaces||[]).map(e=>({value:e.id,label:e.title||e.id})),this._spacesAuthoritative=!0}catch{this._spaces=[],this._spacesAuthoritative=!1}finally{this._spacesLoading=!1}}}get _lang(){return o(this.hass,this._config?.language)}get _floorToken(){const e=this._config?.floor;return"number"==typeof e?`__houseplan_yaml_floor_index__:${String(e)}`:null}get _formData(){const e={...this._config},o=this._floorToken;return o?e.floor=o:Object.prototype.hasOwnProperty.call(e,"floor")||(e.floor=""),e}get _schema(){const e=this._spaces||[],o=this._lang,a=[{value:"",label:t(o,"editor.floor_none")}],i=this._floorToken;i&&a.push({value:i,label:t(o,"editor.floor_index",{index:String(this._config?.floor)})});const l="string"==typeof this._config?.floor?this._config.floor:"";l&&!e.some(e=>e.value===l)&&a.push({value:l,label:l}),a.push(...e);const n="string"==typeof this._config?.default_floor?this._config.default_floor:"",r=[...e];return n&&!e.some(e=>e.value===n)&&r.unshift({value:n,label:n}),[{name:"title",selector:{text:{}}},{name:"floor",selector:{select:{mode:"dropdown",options:a}}},e.length?{name:"default_floor",selector:{select:{mode:"dropdown",options:r}}}:{name:"default_floor",selector:{text:{}}},{name:"language",selector:{select:{mode:"dropdown",options:s(t(o,"editor.lang_auto"),this._config?.language)}}},{name:"icon_size",selector:{number:{min:1,max:6,step:.1,mode:"box"}}},{name:"show_temperature",selector:{boolean:{}}},{name:"live_states",selector:{boolean:{}}},{name:"show_signal",selector:{boolean:{}}},{name:"kiosk",selector:{boolean:{}}},{name:"cycle",selector:{number:{min:0,max:3600,step:5,mode:"box"}}}]}render(){if(!this.hass||!this._config)return a;const e=i(this,l,o(this.hass,this._config.language));if("cold"===e)return n();if("warm"===e)return r;this._loadSpaces();const s=this._lang,h={title:t(s,"editor.title"),floor:t(s,"editor.floor"),default_floor:t(s,"editor.default_floor"),language:t(s,"editor.language"),icon_size:t(s,"editor.icon_size"),show_temperature:t(s,"editor.show_temperature"),live_states:t(s,"editor.live_states"),show_signal:t(s,"editor.show_signal"),kiosk:t(s,"editor.kiosk"),cycle:t(s,"editor.cycle")},f=this._schema,_=function(e,o,t){if(!t||null===o)return null;const s="string"==typeof e?.default_floor?e.default_floor:"";return!s||o.some(e=>e.value===s)?null:s}(this._config,this._spaces,this._spacesAuthoritative),d=e=>c`<ha-form
+globalThis.__HOUSEPLAN_BUILD_FINGERPRINT__="ecff1039f2dcfe8ac73d4577e08c3133dfd7f57535b7debdc590d5bc64471022";import{b as e,l as o,t,d7 as s,A as a,d8 as i,d9 as l,da as n,E as r,c}from"./houseplan-card-D-vtuSN1.js";class f extends e{constructor(){super(...arguments),this._spaces=null,this._spacesLoading=!1,this._spacesAuthoritative=!1}setConfig(e){this._config=e}async _loadSpaces(){if(!this._spaces&&!this._spacesLoading&&this.hass){this._spacesLoading=!0;try{const e=await this.hass.callWS({type:"houseplan/config/get"});this._spaces=(e?.config?.spaces||[]).map(e=>({value:e.id,label:e.title||e.id})),this._spacesAuthoritative=!0}catch{this._spaces=[],this._spacesAuthoritative=!1}finally{this._spacesLoading=!1}}}get _lang(){return o(this.hass,this._config?.language)}get _floorToken(){const e=this._config?.floor;return"number"==typeof e?`__houseplan_yaml_floor_index__:${String(e)}`:null}get _formData(){const e={...this._config},o=this._floorToken;return o?e.floor=o:Object.prototype.hasOwnProperty.call(e,"floor")||(e.floor=""),e}get _schema(){const e=this._spaces||[],o=this._lang,a=[{value:"",label:t(o,"editor.floor_none")}],i=this._floorToken;i&&a.push({value:i,label:t(o,"editor.floor_index",{index:String(this._config?.floor)})});const l="string"==typeof this._config?.floor?this._config.floor:"";l&&!e.some(e=>e.value===l)&&a.push({value:l,label:l}),a.push(...e);const n="string"==typeof this._config?.default_floor?this._config.default_floor:"",r=[...e];return n&&!e.some(e=>e.value===n)&&r.unshift({value:n,label:n}),[{name:"title",selector:{text:{}}},{name:"floor",selector:{select:{mode:"dropdown",options:a}}},e.length?{name:"default_floor",selector:{select:{mode:"dropdown",options:r}}}:{name:"default_floor",selector:{text:{}}},{name:"language",selector:{select:{mode:"dropdown",options:s(t(o,"editor.lang_auto"),this._config?.language)}}},{name:"icon_size",selector:{number:{min:1,max:6,step:.1,mode:"box"}}},{name:"show_temperature",selector:{boolean:{}}},{name:"live_states",selector:{boolean:{}}},{name:"show_signal",selector:{boolean:{}}},{name:"kiosk",selector:{boolean:{}}},{name:"cycle",selector:{number:{min:0,max:3600,step:5,mode:"box"}}}]}render(){if(!this.hass||!this._config)return a;const e=i(this,l,o(this.hass,this._config.language));if("cold"===e)return n();if("warm"===e)return r;this._loadSpaces();const s=this._lang,f={title:t(s,"editor.title"),floor:t(s,"editor.floor"),default_floor:t(s,"editor.default_floor"),language:t(s,"editor.language"),icon_size:t(s,"editor.icon_size"),show_temperature:t(s,"editor.show_temperature"),live_states:t(s,"editor.live_states"),show_signal:t(s,"editor.show_signal"),kiosk:t(s,"editor.kiosk"),cycle:t(s,"editor.cycle")},h=this._schema,_=function(e,o,t){if(!t||null===o)return null;const s="string"==typeof e?.default_floor?e.default_floor:"";return!s||o.some(e=>e.value===s)?null:s}(this._config,this._spaces,this._spacesAuthoritative),d=e=>c`<ha-form
        .hass=${this.hass}
        .data=${this._formData}
        .schema=${e}
-        .computeLabel=${e=>h[e.name]||e.name}
+        .computeLabel=${e=>f[e.name]||e.name}
        @value-changed=${this._valueChanged}
      ></ha-form>`;return c`
-      ${d(f.slice(0,3))}
+      ${d(h.slice(0,3))}
      ${_?c`<div class="default-floor-error" role="alert"
        style="color:var(--error-color,#db4437);margin:-4px 0 12px;overflow-wrap:anywhere">
        ${t(s,"editor.default_floor_missing",{id:_})}
      </div>`:a}
-      ${d(f.slice(3))}
-    `}_valueChanged(e){const o={...this._config,...e.detail.value};""===o.floor?delete o.floor:o.floor===this._floorToken&&(o.floor=this._config?.floor);const t=new Event("config-changed",{bubbles:!0,composed:!0});t.detail={config:o},this.dispatchEvent(t)}}h.properties={hass:{attribute:!1},_config:{state:!0},_spaces:{state:!0}},customElements.get("houseplan-card-editor")||customElements.define("houseplan-card-editor",h);
+      ${d(h.slice(3))}
+    `}_valueChanged(e){const o={...this._config,...e.detail.value};""===o.floor?delete o.floor:o.floor===this._floorToken&&(o.floor=this._config?.floor);const t=new Event("config-changed",{bubbles:!0,composed:!0});t.detail={config:o},this.dispatchEvent(t)}}f.properties={hass:{attribute:!1},_config:{state:!0},_spaces:{state:!0}},customElements.get("houseplan-card-editor")||customElements.define("houseplan-card-editor",f);
@@ -1 +1 @@
-globalThis.__HOUSEPLAN_BUILD_FINGERPRINT__="df605f95ab57127b928c55c631845277f214cb691013a54a87b1882d4cfedaf6";try{await import("./houseplan-assets/houseplan-card-CmfEfmU0.js")}catch(e){if(!customElements.get("houseplan-card")){const l=String(navigator.language||"en").toLowerCase();const m=l.startsWith("ru")?"House Plan обновился — перезагрузите страницу (Ctrl+F5).":l.startsWith("de")?"House Plan wurde aktualisiert — bitte laden Sie die Seite neu (Strg+F5).":l.startsWith("fr")?"House Plan a été mis à jour — veuillez recharger la page (Ctrl+F5).":"House Plan was updated — please reload the page (Ctrl+F5).";customElements.define("houseplan-card",class extends HTMLElement{setConfig(){}getCardSize(){return 1}connectedCallback(){this.style.cssText="display:block;box-sizing:border-box;padding:16px;border:1px solid var(--divider-color,#e0e0e0);border-radius:var(--ha-card-border-radius,12px);background:var(--card-background-color,#fff);color:var(--primary-text-color,#212121);font:14px/1.4 var(--paper-font-body1_-_font-family,sans-serif)";this.textContent=m}})}console.error("[houseplan] stale entry: the main chunk is unavailable",e)}
+globalThis.__HOUSEPLAN_BUILD_FINGERPRINT__="ecff1039f2dcfe8ac73d4577e08c3133dfd7f57535b7debdc590d5bc64471022";try{await import("./houseplan-assets/houseplan-card-D-vtuSN1.js")}catch(e){if(!customElements.get("houseplan-card")){const l=String(navigator.language||"en").toLowerCase();const m=l.startsWith("ru")?"House Plan обновился — перезагрузите страницу (Ctrl+F5).":l.startsWith("de")?"House Plan wurde aktualisiert — bitte laden Sie die Seite neu (Strg+F5).":l.startsWith("fr")?"House Plan a été mis à jour — veuillez recharger la page (Ctrl+F5).":"House Plan was updated — please reload the page (Ctrl+F5).";customElements.define("houseplan-card",class extends HTMLElement{setConfig(){}getCardSize(){return 1}connectedCallback(){this.style.cssText="display:block;box-sizing:border-box;padding:16px;border:1px solid var(--divider-color,#e0e0e0);border-radius:var(--ha-card-border-radius,12px);background:var(--card-background-color,#fff);color:var(--primary-text-color,#212121);font:14px/1.4 var(--paper-font-body1_-_font-family,sans-serif)";this.textContent=m}})}console.error("[houseplan] stale entry: the main chunk is unavailable",e)}
@@ -27,6 +27,8 @@ houseplan-card/
 │  ├─ houseplan-editor-runtime.ts # Plan/Devices/Background composition root
 │  ├─ houseplan-onboarding-runtime.ts # first-space/import dialogs, independent of editor
 │  ├─ hp-dialog.ts               # shared HA/native modal shell, focus and transient-overlay lifecycle
+│  ├─ hp-confirm.ts              # presentation for shared dangerous-action confirmation
+│  ├─ danger-confirm.ts          # root-owned promise/token confirmation controller
 │  ├─ hp-help.ts                 # presentation-only, localized contextual-help surface
 │  ├─ floating-surface.ts        # pure visual-viewport flip/shift geometry for dialog surfaces
 │  ├─ floating-surface-controller.ts # shared Popover/fallback portal DOM lifecycle
@@ -117,6 +119,14 @@ the same profiler available between stable promotions.
   commit actions use two explicit wrapping groups: destructive actions stay
   left, while Cancel/Save move together to a right-aligned second line when
   translated labels do not fit.
+   Dangerous actions additionally use one eager `HpConfirmController` owned by
+   `HouseplanCard` and the stateless `hp-confirm` presentation. View, onboarding
+   and lazy editor callers await the same replace-not-queue promise contract;
+   X, scrim, Escape, route/mode/space change and disconnect all resolve as
+   cancellation. An internal token rejects stale or duplicate decisions, and
+   every caller re-resolves its target after `await` before changing config,
+   layout or HA state. Native browser `confirm()` is not a supported runtime
+   surface.
 6. **Open passages are negative architecture.** `OpeningCfg.type=passage`
   shares placement, wall-cut and tunnel geometry with other openings but has
   no visible leaf, state binding or isometric panel. Backend semantic
@@ -1571,4 +1581,3 @@ their passports; `scripts/config-audit.mjs` treats both as `current`.
  `invalid_partition_opening_jamb_margin` ship structured JSON details, and
  the frontend renders unknown codes localized (code-first, raw messages go
  to the console).
-
@@ -2,6 +2,11 @@

 ## Unreleased

+- Dangerous actions now use one accessible House Plan confirmation dialog
+  instead of the browser prompt. Device, draft, plan and space deletion plus
+  lock opening share clear consequences, safe Cancel/X/Escape behaviour and
+  stale-target protection ([#32](https://github.com/Matysh/houseplan-card/issues/32)).
+
 ## v1.70.0-beta.1 — 2026-08-30

 - Wheel, zoom buttons, **Fit all**, the home arrow and kiosk double-tap now
@@ -8,6 +8,12 @@

 ## Не выпущено

+- Опасные действия теперь используют единый доступный диалог подтверждения
+  House Plan вместо системного окна браузера. Удаление устройства, черновика,
+  файла плана и пространства, а также открытие замка получили понятные
+  последствия, безопасные «Отмена»/X/`Esc` и защиту от уже изменившейся цели
+  ([#32](https://github.com/Matysh/houseplan-card/issues/32)).
+
 ## v1.70.0-beta.1 — 2026-08-30

 - Колесо, кнопки масштаба, «Показать всё», стрелка возврата и двойной тап в
@@ -727,7 +727,8 @@ YAML-сущность без `unique_id` и строки в Entity Registry: п
 - неизвестное состояние получает нейтральное/неизвестное оформление;
 - клик по значку открывает карточку проёма;
 - закрытие выполняется без дополнительного подтверждения;
- открытие замка требует подтверждения;
+- открытие замка требует общего диалога подтверждения House Plan; в нём
+  указано имя замка, а безопасным начальным действием остаётся «Отмена»;
 - обычное действие маркера устройства никогда не переключает `lock.*` и не снимает охрану `alarm_control_panel.*`.

 ### Толстые стены
@@ -835,7 +836,7 @@ binding tombstone не вырезает её из живого устройст
 | Цвет и яркость свечения | **Из источника** использует живые данные HA; **Задать цвет** сохраняет живую яркость; **Задать цвет и яркость** фиксирует оба параметра (1–100%) |
 | Использовать температуру climate | Добавляет `current_temperature` термостата/кондиционера в маркер и среднее назначенной ему комнаты |
 | Скрыть / Показать | Кнопка в левом нижнем углу диалога. После сохранения убирает или возвращает значок; LQI и климатические данные скрытого устройства всё ещё могут участвовать в среднем назначенной комнаты |
-| Удалить | Кнопка рядом со «Скрыть». После подтверждения сразу полностью убирает устройство с плана и позволяет позднее добавить его заново |
+| Удалить | Кнопка рядом со «Скрыть». Общий диалог House Plan называет устройство и объясняет последствия; после подтверждения устройство полностью исчезает с плана и позднее может быть добавлено заново |
 | Радиус свечения | Локально переопределяет общий радиус, 0.1–100 м в хранилище |
 | Иконка | Ручная `mdi:*`; пусто — автоматический подбор. Автовариант показывается в поле как значок с именем `mdi:*`, но не сохраняется как ручная замена |
 | Отображение | Иконка, иконка + активность или значение вместо иконки. Ниже сразу видны фактический результат, источник и интеграция |
@@ -1891,6 +1892,11 @@ cycle: 0
 ## Краткая памятка безопасности

 - Не отключайте ограничение редактирования администраторами без необходимости: разрешение включает загрузку файлов и запись всего плана.
+- Удаление устройства, незавершённого контура или его сегмента, файла плана и
+  пространства, а также открытие замка используют единый диалог House Plan.
+  «Отмена» получает начальный фокус; X, клик по затемнению и `Esc` ничего не
+  меняют. Если выбранный объект успел измениться или исчезнуть, подтверждение
+  не применяется к другому объекту.
 - Для потенциально опасных Toggle/Run/Cover включайте подтверждение.
 - Замки открываются только через специальную карточку проёма с подтверждением; не обходите это ручной конфигурацией.
 - Перед удалением пространства, массовым объединением комнат или оптимизацией сделайте резервную копию Home Assistant.
@@ -0,0 +1,73 @@
+export type HpConfirmKind = 'destructive' | 'warning';
+
+export interface HpConfirmRequest {
+  key: string;
+  kind: HpConfirmKind;
+  title: string;
+  message: string;
+  objectName?: string;
+  confirmLabel: string;
+  cancelLabel: string;
+  icon?: string;
+}
+
+export interface HpConfirmState {
+  token: number;
+  request: Readonly<HpConfirmRequest>;
+}
+
+export interface HpConfirmDecision {
+  token: number;
+  accepted: boolean;
+}
+
+type ActiveConfirmation = HpConfirmState & {
+  resolve: (accepted: boolean) => void;
+};
+
+/**
+ * One replace-not-queue controller for dangerous actions.
+ *
+ * Queuing would let a request outlive the dialog/space that produced it. A
+ * newer request therefore safely cancels the older promise. The token, rather
+ * than the caller-provided diagnostic key, owns resolution so stale DOM events
+ * cannot accept a replacement request.
+ */
+export class HpConfirmController {
+  private _sequence = 0;
+  private _active: ActiveConfirmation | null = null;
+
+  public constructor(private readonly _changed: (state: HpConfirmState | null) => void) {}
+
+  public get state(): HpConfirmState | null {
+    if (!this._active) return null;
+    return { token: this._active.token, request: this._active.request };
+  }
+
+  public confirm(request: HpConfirmRequest): Promise<boolean> {
+    this.cancel();
+    const state: HpConfirmState = {
+      token: ++this._sequence,
+      request: Object.freeze({ ...request }),
+    };
+    return new Promise<boolean>((resolve) => {
+      this._active = { ...state, resolve };
+      this._changed(state);
+    });
+  }
+
+  public resolve(token: number, accepted: boolean): boolean {
+    const active = this._active;
+    if (!active || active.token !== token) return false;
+    this._active = null;
+    this._changed(null);
+    active.resolve(accepted);
+    return true;
+  }
+
+  public cancel(): boolean {
+    const active = this._active;
+    if (!active) return false;
+    return this.resolve(active.token, false);
+  }
+}
@@ -11,6 +11,13 @@ import { guard } from 'lit/directives/guard.js';
 import { repeat } from 'lit/directives/repeat.js';
 import './hp-dialog';
 import type { HpDialog } from './hp-dialog';
+import './hp-confirm';
+import {
+  HpConfirmController,
+  type HpConfirmDecision,
+  type HpConfirmRequest,
+  type HpConfirmState,
+} from './danger-confirm';
 import type { ColorPickerLabels } from './hp-color-opacity';
 import {
  EXCLUDED_DOMAINS, DEFAULT_ICON_RULES, compileIconRules, isValidPattern, iconFor,
@@ -1548,6 +1555,7 @@ export class HouseplanCard extends LitElement {
  private _commitSpace(id: string, authority = false): boolean {
    if (!this._canCommitSpace(id, authority)) return false;
    if (id !== this._space) {
+      this._cancelDangerConfirm();
      this._cancelCameraTransition(false);
      this._clearTransientHover(true);
      this._cancelDevicePressFeedback();
@@ -2101,6 +2109,19 @@ export class HouseplanCard extends LitElement {
    kind: 'toggle'; text: string; lines: string[];
    initialIntent: ResolvedToggleIntent; deviceId: string; exec: () => void;
  } | { kind: 'run'; text: string; exec: () => void } | null = null;
+  /** One eager confirmation owner shared by View, onboarding and lazy editors. */
+  private _dangerConfirm: HpConfirmState | null = null;
+  private readonly _dangerConfirmController = new HpConfirmController((state) => {
+    this._dangerConfirm = state;
+  });
+  private _confirmDanger = (request: HpConfirmRequest): Promise<boolean> =>
+    this._dangerConfirmController.confirm(request);
+  private _cancelDangerConfirm = (): void => {
+    this._dangerConfirmController.cancel();
+  };
+  private _onDangerConfirmDecision = (event: CustomEvent<HpConfirmDecision>): void => {
+    this._dangerConfirmController.resolve(event.detail.token, event.detail.accepted);
+  };
  private _onboardingShown = false; // the auto space dialog is shown once per session

  private _rulesDialog: { rules: IconRule[]; test: string; busy: boolean } | null = null;
@@ -2526,6 +2547,7 @@ export class HouseplanCard extends LitElement {
    _editorRuntimeLoadingVisible: { state: true },
    _backdropGuard: { state: true },
    _tapConfirm: { state: true },
+    _dangerConfirm: { state: true },
    hass: { attribute: false },
    _config: { state: true },
    _space: { state: true },
@@ -2689,6 +2711,7 @@ export class HouseplanCard extends LitElement {
  }

  public disconnectedCallback(): void {
+    this._cancelDangerConfirm();
    // HA normally changes the route before removing the old Lovelace tree.
    // The explicit event covers routers that keep that tree connected for a
    // beat; this fallback covers a direct remove after history navigation.
@@ -5476,7 +5499,7 @@ export class HouseplanCard extends LitElement {
    if (action === 'none') return;
    // the accidental-tap guard (owner's spec 2026-07-29): any state-changing
    // action — toggle or run — may ask first. The dialog is ours, not the
-    // browser confirm(), so it works and looks right on a wall tablet.
+    // native browser prompts, so it works and looks right on a wall tablet.
    const guarded = (text: string, exec: () => void): void => {
      if (actionDevice.marker?.tap_confirm) this._tapConfirm = { kind: 'run', text, exec };
      else exec();
@@ -7022,6 +7045,7 @@ export class HouseplanCard extends LitElement {
  private _leaveCardRoute(): void {
    if (this._routeDepartureHandled) return;
    this._routeDepartureHandled = true;
+    this._cancelDangerConfirm();
    // The destination page cannot display this decorative transition and may
    // disconnect us before its first measured frame. Commit View atomically so
    // the warm tombstone never records an editor camera under `mode: view`.
@@ -7078,6 +7102,7 @@ export class HouseplanCard extends LitElement {
  }

  private _setMode(mode: 'view' | 'plan' | 'devices' | 'decor', animate = true): void {
+    if (mode !== this._mode) this._cancelDangerConfirm();
    this._warmModeRequest = 0;
    if (!this._editorRuntime) {
      if (mode === 'view') {
@@ -7636,11 +7661,11 @@ export class HouseplanCard extends LitElement {
    return this._editorRuntimeOrThrow()._confirmPartitionDelete();
  }

-  private _deleteDraftWhole = (): void => {
+  private _deleteDraftWhole = (): Promise<void> => {
    return this._editorRuntimeOrThrow()._deleteDraftWhole();
  }

-  private _deleteDraftSegment = (): void => {
+  private _deleteDraftSegment = (): Promise<void> => {
    return this._editorRuntimeOrThrow()._deleteDraftSegment();
  }

@@ -8687,7 +8712,8 @@ export class HouseplanCard extends LitElement {
  }

  private get _editorSecondaryDialogBlocked(): boolean {
-    return !!(this._tapConfirm || this._vacCalConfirm || this._roomDialog || this._mergeDialog
+    return !!(this._dangerConfirm || this._tapConfirm || this._vacCalConfirm
+      || this._roomDialog || this._mergeDialog
      || this._openingDialog || this._physicalDialog || this._openingInfo
      || this._decorTextDialog || this._decorShapeDialog || this._backdropDialog
      || this._decorEraseConfirm || this._spaceDialog || this._markerDialog || this._deviceInbox
@@ -11644,6 +11670,13 @@ export class HouseplanCard extends LitElement {
                </div>
            </hp-dialog>`
          : nothing}
+        ${this._dangerConfirm
+          ? html`<hp-confirm .hass=${this.hass}
+              .request=${this._dangerConfirm.request}
+              .token=${this._dangerConfirm.token}
+              @hp-confirm-decision=${this._onDangerConfirmDecision}>
+            </hp-confirm>`
+          : nothing}
        ${this._toast ? html`<div class="toast" role="alert" aria-live="assertive">${this._toast}</div>` : nothing}
      </ha-card>
    `;
@@ -12724,7 +12757,7 @@ export class HouseplanCard extends LitElement {
   * taps on plan icons; here the user has opened the info card and pressed a
   * clearly labeled action button — same interaction contract as HA's more-info.
   */
-  private _lockAction(entityId: string, action: 'lock' | 'unlock'): void {
+  private async _lockAction(entityId: string, action: 'lock' | 'unlock'): Promise<void> {
    // THE ONLY sanctioned lock actuation surface (review CR-1, 2026-07-27).
    // The invariant is "no lock or alarm panel is ever actuated by a TAP on the
    // plan" — icons, badges, controls[] and the device card all refuse. This
@@ -12734,7 +12767,19 @@ export class HouseplanCard extends LitElement {
    if (!this._openingEntityAvailable(entityId)) return;
    if (action === 'unlock') {
      const name = this.hass?.states?.[entityId]?.attributes?.friendly_name || entityId;
-      if (!confirm(this._t('confirm.unlock', { name }))) return;
+      const accepted = await this._confirmDanger({
+        key: 'unlock',
+        kind: 'warning',
+        title: this._t('confirm.unlock_title'),
+        message: this._t('confirm.unlock_body'),
+        objectName: name,
+        confirmLabel: this._t('opening.unlock_action'),
+        cancelLabel: this._t('btn.cancel'),
+      });
+      const opening = this._openingInfo;
+      if (!accepted || !this._openingEntityAvailable(entityId)
+        || !opening || (opening.type !== 'door' && opening.type !== 'gate')
+        || opening.lock !== entityId || this.hass?.states?.[entityId]?.state !== 'locked') return;
    }
    this.hass?.callService?.('lock', action, { entity_id: entityId });
  }
@@ -11,6 +11,7 @@ import { guard } from 'lit/directives/guard.js';
 import { repeat } from 'lit/directives/repeat.js';
 import './hp-dialog';
 import type { HpDialog } from './hp-dialog';
+import type { HpConfirmRequest } from './danger-confirm';
 import './hp-color-opacity';
 import type { ColorPickerLabels } from './hp-color-opacity';
 import './hp-help';
@@ -870,6 +871,8 @@ export interface HouseplanEditorHostPort {
  _colorPickerLabels: ColorPickerLabels;
  _commitSpace: (id: string, authority?: boolean) => boolean;
  _commitViewModeAtomic: (from: ModeVisualState | null, targetZoom: number, targetCenterX?: number, targetCenterY?: number) => void;
+  _confirmDanger: (request: HpConfirmRequest) => Promise<boolean>;
+  _cancelDangerConfirm: () => void;
  _config: CardConfig | undefined;
  _contourClosed: boolean;
  _curSpaceCfg: any;
@@ -1191,6 +1194,7 @@ public _help(key: Extract<I18nKey, `${string}.help`>): TemplateResult | typeof n
  }

 public _setMode(mode: 'view' | 'plan' | 'devices' | 'decor', animate = true): void {
+    if (mode !== this.host._mode) this.host._cancelDangerConfirm();
    this.host._endTabDrag();
    this._clearFurniturePreview();
    // A mode command is newer than the editor remembered by a same-route warm
@@ -3107,12 +3111,23 @@ public _confirmPartitionDelete = (): void => {
    this._commitPhysicalGeometry(this.host._t('history.physical_delete'), before);
  };

-public _deleteDraftWhole = (): void => {
+public _deleteDraftWhole = async (): Promise<void> => {
    const id = this.host._physicalDialog?.kind === 'draft'
      ? this.host._physicalDialog.id
      : this.host._physicalSel?.kind === 'draft' ? this.host._physicalSel.id : null;
+    const spaceId = this.host._space;
+    if (!id || !this.host._curSpaceCfg) return;
+    const accepted = await this.host._confirmDanger({
+      key: 'delete-draft',
+      kind: 'destructive',
+      title: this.host._t('confirm.delete_draft_title'),
+      message: this.host._t('confirm.delete_draft_body'),
+      confirmLabel: this.host._t('btn.delete'),
+      cancelLabel: this.host._t('btn.cancel'),
+    });
+    if (!accepted || this.host._space !== spaceId) return;
    const sp = this.host._curSpaceCfg as any;
-    if (!id || !sp || !confirm(this.host._t('confirm.delete_draft'))) return;
+    if (!sp || !(sp.room_drafts || []).some((draft: { id?: string }) => draft.id === id)) return;
    const before = this._geometrySnapshot();
    sp.room_drafts = (sp.room_drafts || []).filter((x: any) => x.id !== id);
    if (!sp.room_drafts.length) delete sp.room_drafts;
@@ -3122,15 +3137,32 @@ public _deleteDraftWhole = (): void => {
    this._commitPhysicalGeometry(this.host._t('history.physical_delete'), before);
  };

-public _deleteDraftSegment = (): void => {
+public _deleteDraftSegment = async (): Promise<void> => {
    const dlg = this.host._physicalDialog;
+    const spaceId = this.host._space;
+    if (!dlg || dlg.kind !== 'draft' || !this.host._curSpaceCfg) return;
+    const draftId = dlg.id;
+    const segment = dlg.segment || 0;
+    const accepted = await this.host._confirmDanger({
+      key: 'delete-draft-segment',
+      kind: 'destructive',
+      title: this.host._t('confirm.delete_draft_segment_title'),
+      message: this.host._t('confirm.delete_draft_segment_body'),
+      confirmLabel: this.host._t('btn.delete'),
+      cancelLabel: this.host._t('btn.cancel'),
+    });
+    const currentDialog = this.host._physicalDialog;
+    if (!accepted || this.host._space !== spaceId
+      || currentDialog?.kind !== 'draft' || currentDialog.id !== draftId
+      || (currentDialog.segment || 0) !== segment) return;
    const sp = this.host._curSpaceCfg as any;
-    if (!dlg || dlg.kind !== 'draft' || !sp) return;
-    if (!confirm(this.host._t('confirm.delete_draft_segment'))) return;
-    const index = (sp.room_drafts || []).findIndex((x: any) => x.id === dlg.id);
+    if (!sp) return;
+    const index = (sp.room_drafts || []).findIndex((item: { id?: string }) => item.id === draftId);
    if (index < 0) return;
    const draft = sp.room_drafts[index];
-    const cut = Math.max(0, Math.min(draft.segments.length - 1, dlg.segment || 0));
+    if (!Array.isArray(draft.segments) || !Number.isInteger(segment)
+      || segment < 0 || segment >= draft.segments.length) return;
+    const cut = segment;
    const pieces: any[] = [];
    const leftPoints = draft.points.slice(0, cut + 1);
    const rightPoints = draft.points.slice(cut + 1);
@@ -8343,23 +8375,43 @@ public async _deleteMarker(): Promise<void> {
    const d = dlg.devId ? this.host._devices.find((x) => x.id === dlg.devId) : null;
    const persisted = this.host._markers.find((marker) => marker.id === dlg.devId);
    if (!d && !persisted) return;
-    const label = dlg.name || this.host._t('device.fallback');
-    if (!confirm(this.host._t('confirm.remove_marker', { name: label }))) return;
-    const cfg = this.host._serverCfg!;
-    cfg.markers = cfg.markers || [];
-    const previousMarkers = cfg.markers;
-    const targetId = d?.id || persisted!.id;
-    const binding = d
+    const expectedBinding = d
      ? d.bindingKind === 'virtual' ? 'virtual'
        : d.bindingKind && d.bindingRef ? `${d.bindingKind}:${d.bindingRef}` : ''
      : persisted!.binding;
-    if (!binding) return;
+    if (!expectedBinding) return;
+    const label = dlg.name || this.host._t('device.fallback');
+    const targetId = dlg.devId;
+    const accepted = await this.host._confirmDanger({
+      key: 'remove-marker',
+      kind: 'destructive',
+      title: this.host._t('confirm.remove_marker_title'),
+      message: this.host._t('confirm.remove_marker_body'),
+      objectName: label,
+      confirmLabel: this.host._t('btn.delete'),
+      cancelLabel: this.host._t('btn.cancel'),
+    });
+    const currentDialog = this.host._markerDialog;
+    if (!accepted || !currentDialog || currentDialog.busy || currentDialog.devId !== targetId) return;
+    const currentDevice = this.host._devices.find((item) => item.id === targetId);
+    const currentPersisted = this.host._markers.find((marker) => marker.id === targetId);
+    if (!currentDevice && !currentPersisted) return;
+    const cfg = this.host._serverCfg;
+    if (!cfg) return;
+    cfg.markers = cfg.markers || [];
+    const previousMarkers = cfg.markers;
+    const binding = currentDevice
+      ? currentDevice.bindingKind === 'virtual' ? 'virtual'
+        : currentDevice.bindingKind && currentDevice.bindingRef
+          ? `${currentDevice.bindingKind}:${currentDevice.bindingRef}` : ''
+      : currentPersisted!.binding;
+    if (!binding || binding !== expectedBinding) return;
    const deletion = deletePlanMarkerRecords(
      cfg.markers, targetId, binding, binding === 'virtual',
    );
    cfg.markers = removeMarkerControlReferences(deletion.markers, deletion.cleanupIds);
    const cleanupIds = deletion.cleanupIds;
-    this.host._markerDialog = { ...dlg, busy: true };
+    this.host._markerDialog = { ...currentDialog, busy: true };
    try {
      await this._saveConfigNow();
      // Housekeeping follows the durable config write. Every call is
@@ -8559,7 +8611,23 @@ public async _readPlanAspect(url: string): Promise<number> {
  }

 public async _deleteServerPlan(name: string): Promise<void> {
-    if (!confirm(this.host._t('confirm.delete_plan', { name }))) return;
+    const dialog = this.host._spaceDialog;
+    const plan = dialog?.saved?.find((candidate) => candidate.name === name);
+    if (!dialog || !plan || plan.used_by.length || plan.url === dialog.planUrl) return;
+    const accepted = await this.host._confirmDanger({
+      key: 'delete-plan',
+      kind: 'destructive',
+      title: this.host._t('confirm.delete_plan_title'),
+      message: this.host._t('confirm.delete_plan_body'),
+      objectName: name,
+      confirmLabel: this.host._t('btn.delete'),
+      cancelLabel: this.host._t('btn.cancel'),
+    });
+    const currentDialog = this.host._spaceDialog;
+    const currentPlan = currentDialog?.saved?.find((candidate) => candidate.name === name);
+    if (!accepted || !currentDialog || !currentPlan
+      || currentPlan.url !== plan.url || currentPlan.modified !== plan.modified
+      || currentPlan.used_by.length || currentPlan.url === currentDialog.planUrl) return;
    try {
      await this.host.hass.callWS({ type: 'houseplan/plans/delete', name });
      const d = this.host._spaceDialog;
@@ -8770,15 +8838,42 @@ public async _deleteSpace(): Promise<void> {
      this.host._spaceDialog = { ...d, deleteBlockers: dependencies.count };
      return;
    }
-    if (!confirm(this.host._t('confirm.delete_space', { title: sp.title }))) return;
-    this.host._spaceDialog = { ...d, deleteBlockers: 0, busy: true };
+    if (!sp) return;
+    const spaceId = d.spaceId!;
+    const accepted = await this.host._confirmDanger({
+      key: 'delete-space',
+      kind: 'destructive',
+      title: this.host._t('confirm.delete_space_title'),
+      message: this.host._t('confirm.delete_space_body'),
+      objectName: sp.title,
+      confirmLabel: this.host._t('btn.delete'),
+      cancelLabel: this.host._t('btn.cancel'),
+    });
+    const currentDialog = this.host._spaceDialog;
+    const currentConfig = this.host._serverCfg;
+    if (!accepted || !currentDialog || currentDialog.mode !== 'edit'
+      || currentDialog.busy || currentDialog.spaceId !== spaceId || !currentConfig) return;
+    const currentSpace = currentConfig.spaces.find((candidate) => candidate.id === spaceId);
+    if (!currentSpace) return;
+    const currentDependencies = collectSpaceMarkerDependencies(
+      currentConfig, this.host._layout || {}, spaceId,
+    );
+    const currentlyDeletingLastSpace = currentConfig.spaces.length === 1
+      && currentConfig.spaces[0]?.id === spaceId;
+    if (currentDependencies.count && !currentlyDeletingLastSpace) {
+      this.host._spaceDialog = {
+        ...currentDialog, deleteBlockers: currentDependencies.count,
+      };
+      return;
+    }
+    this.host._spaceDialog = { ...currentDialog, deleteBlockers: 0, busy: true };
    try {
      if (this.host._saveConfigDebounced.pending()) this.host._saveConfigDebounced.flush();
      if (this.host._persistLayout.pending()) this.host._persistLayout.flush();
      await this.host._writeChain;
      const response: any = await this.host.hass.callWS({
        type: 'houseplan/space/delete',
-        space_id: d.spaceId,
+        space_id: spaceId,
        expected_config_rev: this.host._cfgRev,
        expected_layout_rev: this.host._layoutRev,
      });
@@ -8790,7 +8885,7 @@ public async _deleteSpace(): Promise<void> {
      this.host._cfgRev = response?.config_rev ?? this.host._cfgRev;
      this.host._layoutRev = response?.layout_rev ?? this.host._layoutRev;
      this.host._spaceDialog = null;
-      if (this.host._space === d.spaceId) this.host._commitSpace(this.host._serverCfg!.spaces[0]?.id || '');
+      if (this.host._space === spaceId) this.host._commitSpace(this.host._serverCfg!.spaces[0]?.id || '');
      this.host._regSignature = '';
      this.host._maybeRebuildDevices();
      this.host._showToast(this.host._t('toast.space_deleted'));
@@ -8801,10 +8896,10 @@ public async _deleteSpace(): Promise<void> {
      const refreshedConfig = this.host._serverCfg;
      if (this.host._spaceDialog && refreshedConfig) {
        const refreshed = collectSpaceMarkerDependencies(
-          refreshedConfig, this.host._layout || {}, d.spaceId || '',
+          refreshedConfig, this.host._layout || {}, spaceId,
        );
        const stillLastSpace = refreshedConfig.spaces.length === 1
-          && refreshedConfig.spaces[0]?.id === d.spaceId;
+          && refreshedConfig.spaces[0]?.id === spaceId;
        this.host._spaceDialog = {
          ...this.host._spaceDialog,
          busy: false,
@@ -216,7 +216,23 @@ export class HouseplanOnboardingRuntime {
  }

  public async _deleteServerPlan(name: string): Promise<void> {
-    if (!confirm(this.host._t('confirm.delete_plan', { name }))) return;
+    const dialog = this.host._spaceDialog;
+    const plan = dialog?.saved?.find((candidate) => candidate.name === name);
+    if (!dialog || !plan || plan.used_by.length || plan.url === dialog.planUrl) return;
+    const accepted = await this.host._confirmDanger({
+      key: 'delete-plan',
+      kind: 'destructive',
+      title: this.host._t('confirm.delete_plan_title'),
+      message: this.host._t('confirm.delete_plan_body'),
+      objectName: name,
+      confirmLabel: this.host._t('btn.delete'),
+      cancelLabel: this.host._t('btn.cancel'),
+    });
+    const currentDialog = this.host._spaceDialog;
+    const currentPlan = currentDialog?.saved?.find((candidate) => candidate.name === name);
+    if (!accepted || !currentDialog || !currentPlan
+      || currentPlan.url !== plan.url || currentPlan.modified !== plan.modified
+      || currentPlan.used_by.length || currentPlan.url === currentDialog.planUrl) return;
    try {
      await this.host.hass.callWS({ type: 'houseplan/plans/delete', name });
      const dialog = this.host._spaceDialog;
@@ -415,15 +431,41 @@ export class HouseplanOnboardingRuntime {
      this.host._spaceDialog = { ...dialog, deleteBlockers: dependencies.count };
      return;
    }
-    if (!confirm(this.host._t('confirm.delete_space', { title: space.title }))) return;
-    this.host._spaceDialog = { ...dialog, deleteBlockers: 0, busy: true };
+    const spaceId = dialog.spaceId!;
+    const accepted = await this.host._confirmDanger({
+      key: 'delete-space',
+      kind: 'destructive',
+      title: this.host._t('confirm.delete_space_title'),
+      message: this.host._t('confirm.delete_space_body'),
+      objectName: space.title,
+      confirmLabel: this.host._t('btn.delete'),
+      cancelLabel: this.host._t('btn.cancel'),
+    });
+    const currentDialog = this.host._spaceDialog;
+    const currentConfig = this.host._serverCfg;
+    if (!accepted || !currentDialog || currentDialog.mode !== 'edit'
+      || currentDialog.busy || currentDialog.spaceId !== spaceId || !currentConfig) return;
+    const currentSpace = currentConfig.spaces.find((candidate) => candidate.id === spaceId);
+    if (!currentSpace) return;
+    const currentDependencies = collectSpaceMarkerDependencies(
+      currentConfig, this.host._layout || {}, spaceId,
+    );
+    const currentlyDeletingLastSpace = currentConfig.spaces.length === 1
+      && currentConfig.spaces[0]?.id === spaceId;
+    if (currentDependencies.count && !currentlyDeletingLastSpace) {
+      this.host._spaceDialog = {
+        ...currentDialog, deleteBlockers: currentDependencies.count,
+      };
+      return;
+    }
+    this.host._spaceDialog = { ...currentDialog, deleteBlockers: 0, busy: true };
    try {
      if (this.host._saveConfigDebounced.pending()) this.host._saveConfigDebounced.flush();
      if (this.host._persistLayout.pending()) this.host._persistLayout.flush();
      await this.host._writeChain;
      const response: { config_rev?: number; layout_rev?: number } = await this.host.hass.callWS({
        type: 'houseplan/space/delete',
-        space_id: dialog.spaceId,
+        space_id: spaceId,
        expected_config_rev: this.host._cfgRev,
        expected_layout_rev: this.host._layoutRev,
      });
@@ -435,7 +477,7 @@ export class HouseplanOnboardingRuntime {
      this.host._cfgRev = response?.config_rev ?? this.host._cfgRev;
      this.host._layoutRev = response?.layout_rev ?? this.host._layoutRev;
      this.host._spaceDialog = null;
-      if (this.host._space === dialog.spaceId) {
+      if (this.host._space === spaceId) {
        this.host._commitSpace(this.host._serverCfg!.spaces[0]?.id || '');
      }
      this.host._regSignature = '';
@@ -451,10 +493,10 @@ export class HouseplanOnboardingRuntime {
      const refreshedConfig = this.host._serverCfg;
      if (this.host._spaceDialog && refreshedConfig) {
        const refreshed = collectSpaceMarkerDependencies(
-          refreshedConfig, this.host._layout || {}, dialog.spaceId || '',
+          refreshedConfig, this.host._layout || {}, spaceId,
        );
        const stillLastSpace = refreshedConfig.spaces.length === 1
-          && refreshedConfig.spaces[0]?.id === dialog.spaceId;
+          && refreshedConfig.spaces[0]?.id === spaceId;
        this.host._spaceDialog = {
          ...this.host._spaceDialog,
          busy: false,
@@ -0,0 +1,71 @@
+import { LitElement, html } from 'lit';
+
+import './hp-dialog';
+import type { HpConfirmDecision, HpConfirmRequest } from './danger-confirm';
+
+/** Presentation-only confirmation surface; state and mutations stay in the card. */
+export class HpConfirm extends LitElement {
+  static properties = {
+    hass: { attribute: false },
+    request: { attribute: false },
+    token: { type: Number },
+  };
+
+  hass: unknown = null;
+  request: Readonly<HpConfirmRequest> | null = null;
+  token = 0;
+
+  // Keep the dialog in the card's shadow tree so the shared .btn/.row tokens
+  // apply without duplicating the entire dialog stylesheet in the eager graph.
+  protected createRenderRoot(): HTMLElement | DocumentFragment {
+    return this;
+  }
+
+  private _decide(accepted: boolean): void {
+    this.dispatchEvent(new CustomEvent<HpConfirmDecision>('hp-confirm-decision', {
+      detail: { token: this.token, accepted },
+      bubbles: true,
+      composed: true,
+    }));
+  }
+
+  protected render() {
+    const request = this.request;
+    if (!request) return null;
+    const destructive = request.kind === 'destructive';
+    return html`<hp-dialog class="danger-confirm-dialog"
+      .hass=${this.hass}
+      .title=${request.title}
+      .icon=${request.icon || (destructive
+        ? 'mdi:alert-outline' : 'mdi:lock-open-alert-outline')}
+      dismiss-on-scrim
+      @hp-close=${() => this._decide(false)}>
+        <div class="body danger-confirm-body" data-confirm-key=${request.key}>
+          ${request.objectName
+            ? html`<strong class="danger-confirm-object">${request.objectName}</strong>`
+            : null}
+          <p>${request.message}</p>
+        </div>
+        <div class="row dialog-action-footer danger-confirm-footer" slot="footer">
+          <span class="dialog-action-group dialog-action-commit">
+            <button class="btn ghost" type="button" autofocus
+              @click=${() => this._decide(false)}>${request.cancelLabel}</button>
+            <button class="btn ${destructive ? 'danger' : 'on'}" type="button"
+              @click=${() => this._decide(true)}>
+              <ha-icon icon=${destructive
+                ? 'mdi:trash-can-outline' : 'mdi:lock-open-variant'}></ha-icon>
+              ${request.confirmLabel}
+            </button>
+          </span>
+        </div>
+    </hp-dialog>`;
+  }
+}
+
+if (!customElements.get('hp-confirm')) customElements.define('hp-confirm', HpConfirm);
+
+declare global {
+  interface HTMLElementTagNameMap {
+    'hp-confirm': HpConfirm;
+  }
+}
@@ -39,6 +39,10 @@
  "toast.column_duplicate": "Eine Säule mit demselben Zentrum und äußerer Größe existiert bereits",
  "confirm.delete_draft": "Sofort den gesamten unvollständigen Raumumriss löschen?",
  "confirm.delete_draft_segment": "Dieses Entwurfssegment löschen? Der verbleibende Umriss könnte sich in zwei teilen.",
+  "confirm.delete_draft_title": "Unvollständigen Umriss löschen?",
+  "confirm.delete_draft_body": "Der gesamte unvollständige Raumumriss wird gelöscht. Beim Abbrechen wird nichts geändert.",
+  "confirm.delete_draft_segment_title": "Umrisssegment löschen?",
+  "confirm.delete_draft_segment_body": "Dieses Entwurfssegment wird gelöscht. Der verbleibende Umriss kann sich in zwei Teile aufteilen.",
  "physical.partition_properties": "Eigenschaften der Trennwand",
  "physical.column_properties": "Eigenschaften der Säule",
  "physical.draft_properties": "Eigenschaften des Entwurfssegments",
@@ -293,8 +297,12 @@
  "confirm.delete_room_title": "Raum \"{name}\" löschen?",
  "confirm.delete_room_body": "Festlegen, ob die ausschließlich zu diesem Raum gehörenden physischen Wände erhalten bleiben. Mit einem anderen Raum geteilte Wände bleiben immer erhalten.",
  "confirm.remove_marker": "„{name}“ aus dem Plan löschen? Das Gerät verschwindet vollständig und trägt nicht mehr zu den Plandaten bei. Es kann später erneut hinzugefügt werden.",
+  "confirm.remove_marker_title": "Gerät aus dem Plan löschen?",
+  "confirm.remove_marker_body": "Das Gerät verschwindet vollständig und trägt nicht mehr zu den Plandaten bei. Es kann später erneut hinzugefügt werden.",
  "confirm.erase_decor": "Das Objekt „{kind}“ löschen? Diese Aktion kann im Editor rückgängig gemacht werden.",
  "confirm.delete_space": "Bereich „{title}“ mit allen Räumen und Markierungen löschen?",
+  "confirm.delete_space_title": "Bereich löschen?",
+  "confirm.delete_space_body": "Der Bereich, alle seine Räume und die gesamte Planmarkierung werden gelöscht.",
  "space.delete_blocked": "Dieser Bereich wird noch von {n} Gerät(en) verwendet. Die Geräte zuerst in einen anderen Bereich verschieben oder löschen.",
  "toast.pos_save_failed": "Position nicht gespeichert: {err}",
  "toast.no_entity": "Das Gerät hat keine geeignete Entität",
@@ -730,6 +738,8 @@
  "toast.marker_control_cycle": "Dieser Link würde eine kreisförmige Kette von Lichtsteuerungen erzeugen.",
  "toast.marker_binding_required": "Wählen Sie ein Home Assistant-Gerät, bevor Sie eine andere Lichtquelle verlinken.",
  "confirm.unlock": "„{name}“ entsperren?",
+  "confirm.unlock_title": "Schloss öffnen?",
+  "confirm.unlock_body": "House Plan sendet einen Befehl zum Öffnen an dieses Schloss.",
  "toast.files_migrate_failed": "Anhänge konnten nicht zur neuen Bindung verschoben werden, Links zeigen weiterhin auf die alten Dateien: {err}",
  "space.pick_saved": "Bereits hochgeladen",
  "space.pick_saved_hint": "Auf dem Server gespeicherte Pläne, einschließlich solcher, die Sie zuvor getrennt haben",
@@ -739,6 +749,8 @@
  "space.in_use": "Ein Bereich verwendet diesen Plan noch — zuerst die Verknüpfung lösen",
  "btn.use": "Verwenden",
  "confirm.delete_plan": "Plandatei „{name}“ vom Server löschen? Dies kann nicht rückgängig gemacht werden.",
+  "confirm.delete_plan_title": "Plandatei löschen?",
+  "confirm.delete_plan_body": "Die Datei wird vom Server gelöscht. Dieser Vorgang kann nicht rückgängig gemacht werden.",
  "toast.plans_list_failed": "Konnte die gespeicherten Pläne nicht auflisten: {err}",
  "toast.plan_delete_failed": "Konnte den Plan nicht löschen: {err}",
  "marker.hide": "Ausblenden",
@@ -39,6 +39,10 @@
  "toast.column_duplicate": "A column with the same centre and outer size already exists",
  "confirm.delete_draft": "Delete the whole unfinished room contour?",
  "confirm.delete_draft_segment": "Delete this draft segment? The remaining contour may split in two.",
+  "confirm.delete_draft_title": "Delete unfinished contour?",
+  "confirm.delete_draft_body": "The entire unfinished room contour will be deleted. Cancelling makes no changes.",
+  "confirm.delete_draft_segment_title": "Delete contour segment?",
+  "confirm.delete_draft_segment_body": "This draft segment will be deleted. The remaining contour may split in two.",
  "physical.partition_properties": "Partition properties",
  "physical.column_properties": "Column properties",
  "physical.draft_properties": "Draft segment properties",
@@ -293,8 +297,12 @@
  "confirm.delete_room_title": "Delete room \"{name}\"?",
  "confirm.delete_room_body": "Choose whether the room's exclusive physical walls should remain. Walls shared with another room are always kept.",
  "confirm.remove_marker": "Delete \"{name}\" from the plan? The device will disappear completely and stop contributing to plan data. You can add it again later.",
+  "confirm.remove_marker_title": "Delete device from the plan?",
+  "confirm.remove_marker_body": "The device will disappear completely and stop contributing to plan data. You can add it again later.",
  "confirm.erase_decor": "Erase the {kind} object? You can undo this action from the editor history.",
  "confirm.delete_space": "Delete space \"{title}\" with all its rooms and markup?",
+  "confirm.delete_space_title": "Delete space?",
+  "confirm.delete_space_body": "The space, all its rooms and all its plan markup will be deleted.",
  "space.delete_blocked": "This space is still used by {n} device(s). Move them to another space or delete them first.",
  "toast.pos_save_failed": "Failed to save position: {err}",
  "toast.no_entity": "The device has no suitable entity",
@@ -730,6 +738,8 @@
  "toast.marker_control_cycle": "This link would create a circular chain of light controls.",
  "toast.marker_binding_required": "Choose a Home Assistant device before linking another light source.",
  "confirm.unlock": "Unlock “{name}”?",
+  "confirm.unlock_title": "Unlock?",
+  "confirm.unlock_body": "House Plan will send an unlock command to this lock.",
  "toast.files_migrate_failed": "Attachments could not be moved to the new binding, links keep pointing at the old files: {err}",
  "space.pick_saved": "Already uploaded",
  "space.pick_saved_hint": "Plans stored on the server, including ones you detached earlier",
@@ -739,6 +749,8 @@
  "space.in_use": "A space still uses this plan — detach it first",
  "btn.use": "Use",
  "confirm.delete_plan": "Delete the plan file \"{name}\" from the server? This cannot be undone.",
+  "confirm.delete_plan_title": "Delete plan file?",
+  "confirm.delete_plan_body": "The file will be deleted from the server. This action cannot be undone.",
  "toast.plans_list_failed": "Could not list the stored plans: {err}",
  "toast.plan_delete_failed": "Could not delete the plan: {err}",
  "marker.hide": "Hide",
@@ -39,6 +39,10 @@
  "toast.column_duplicate": "Une colonne avec le même centre et la même dimension extérieure existe déjà",
  "confirm.delete_draft": "Supprimer tout le contour de pièce inachevé ?",
  "confirm.delete_draft_segment": "Supprimer ce segment de brouillon ? Le contour restant peut se scinder en deux.",
+  "confirm.delete_draft_title": "Supprimer le contour inachevé ?",
+  "confirm.delete_draft_body": "Tout le contour de pièce inachevé sera supprimé. L’annulation ne modifie rien.",
+  "confirm.delete_draft_segment_title": "Supprimer le segment de contour ?",
+  "confirm.delete_draft_segment_body": "Ce segment de brouillon sera supprimé. Le contour restant peut se scinder en deux.",
  "physical.partition_properties": "Propriétés de la cloison",
  "physical.column_properties": "Propriétés de la colonne",
  "physical.draft_properties": "Propriétés du segment de brouillon",
@@ -293,8 +297,12 @@
  "confirm.delete_room_title": "Supprimer la pièce « {name} » ?",
  "confirm.delete_room_body": "Choisissez si les murs physiques propres à la pièce doivent être conservés. Les murs partagés avec une autre pièce sont toujours conservés.",
  "confirm.remove_marker": "Supprimer « {name} » du plan ? L’appareil disparaîtra complètement et ne contribuera plus aux données du plan. Vous pourrez l’ajouter de nouveau plus tard.",
+  "confirm.remove_marker_title": "Supprimer l’appareil du plan ?",
+  "confirm.remove_marker_body": "L’appareil disparaîtra complètement et ne contribuera plus aux données du plan. Vous pourrez l’ajouter de nouveau plus tard.",
  "confirm.erase_decor": "Effacer l’objet {kind} ? Vous pouvez annuler cette action depuis l’historique de l’éditeur.",
  "confirm.delete_space": "Supprimer l’espace « {title} » avec toutes ses pièces et son tracé ?",
+  "confirm.delete_space_title": "Supprimer l’espace ?",
+  "confirm.delete_space_body": "L’espace, toutes ses pièces et tout le tracé du plan seront supprimés.",
  "space.delete_blocked": "Cet espace est encore utilisé par {n} appareil(s). Déplacez-les vers un autre espace ou supprimez-les d’abord.",
  "toast.pos_save_failed": "Échec de l’enregistrement de la position : {err}",
  "toast.no_entity": "L’appareil n’a aucune entité adaptée",
@@ -730,6 +738,8 @@
  "toast.marker_control_cycle": "Ce lien créerait une chaîne circulaire de contrôles de lumière.",
  "toast.marker_binding_required": "Choisissez un appareil Home Assistant avant de lier une autre source lumineuse.",
  "confirm.unlock": "Déverrouiller « {name} » ?",
+  "confirm.unlock_title": "Déverrouiller ?",
+  "confirm.unlock_body": "House Plan enverra une commande de déverrouillage à cette serrure.",
  "toast.files_migrate_failed": "Les pièces jointes n’ont pas pu être déplacées vers la nouvelle association ; les liens continuent de pointer vers les anciens fichiers : {err}",
  "space.pick_saved": "Déjà importé",
  "space.pick_saved_hint": "Plans stockés sur le serveur, y compris ceux que vous avez précédemment dissociés",
@@ -739,6 +749,8 @@
  "space.in_use": "Un espace utilise encore ce plan — dissociez-le d’abord",
  "btn.use": "Utiliser",
  "confirm.delete_plan": "Supprimer le fichier de plan « {name} » du serveur ? Cette action est irréversible.",
+  "confirm.delete_plan_title": "Supprimer le fichier du plan ?",
+  "confirm.delete_plan_body": "Le fichier sera supprimé du serveur. Cette action est irréversible.",
  "toast.plans_list_failed": "Impossible de lister les plans stockés : {err}",
  "toast.plan_delete_failed": "Impossible de supprimer le plan : {err}",
  "marker.hide": "Masquer",
@@ -39,6 +39,10 @@
  "toast.column_duplicate": "Колонна с тем же центром и внешним размером уже существует",
  "confirm.delete_draft": "Удалить весь незавершённый контур комнаты?",
  "confirm.delete_draft_segment": "Удалить этот сегмент черновика? Оставшийся контур может разделиться на два.",
+  "confirm.delete_draft_title": "Удалить незавершённый контур?",
+  "confirm.delete_draft_body": "Весь незавершённый контур комнаты будет удалён. При отмене ничего не изменится.",
+  "confirm.delete_draft_segment_title": "Удалить сегмент контура?",
+  "confirm.delete_draft_segment_body": "Этот сегмент черновика будет удалён. Оставшийся контур может разделиться на два.",
  "physical.partition_properties": "Свойства перегородки",
  "physical.column_properties": "Свойства колонны",
  "physical.draft_properties": "Свойства сегмента черновика",
@@ -293,8 +297,12 @@
  "confirm.delete_room_title": "Удалить комнату «{name}»?",
  "confirm.delete_room_body": "Выберите, нужно ли оставить физические стены, принадлежащие только этой комнате. Общие с другой комнатой стены сохраняются всегда.",
  "confirm.remove_marker": "Удалить «{name}» с плана? Устройство исчезнет полностью и перестанет участвовать в данных плана. Позже его можно будет добавить заново.",
+  "confirm.remove_marker_title": "Удалить устройство с плана?",
+  "confirm.remove_marker_body": "Устройство исчезнет полностью и перестанет участвовать в данных плана. Позже его можно будет добавить заново.",
  "confirm.erase_decor": "Стереть объект «{kind}»? Действие можно отменить из истории редактора.",
  "confirm.delete_space": "Удалить пространство «{title}» со всеми комнатами и разметкой?",
+  "confirm.delete_space_title": "Удалить пространство?",
+  "confirm.delete_space_body": "Пространство, все его комнаты и вся разметка плана будут удалены.",
  "space.delete_blocked": "Это пространство всё ещё используется устройствами: {n}. Сначала перенесите их в другое пространство или удалите.",
  "toast.pos_save_failed": "Не удалось сохранить позицию: {err}",
  "toast.no_entity": "У устройства нет подходящей сущности",
@@ -730,6 +738,8 @@
  "toast.marker_control_cycle": "Такая связь создаст циклическую цепочку управления светом.",
  "toast.marker_binding_required": "Сначала выберите устройство Home Assistant, затем добавьте управляемый источник света.",
  "confirm.unlock": "Открыть замок «{name}»?",
+  "confirm.unlock_title": "Открыть замок?",
+  "confirm.unlock_body": "House Plan отправит этому замку команду открытия.",
  "toast.files_migrate_failed": "Не удалось перенести вложения к новой привязке, ссылки остались на старые файлы: {err}",
  "space.pick_saved": "Уже загруженные",
  "space.pick_saved_hint": "Планы, сохранённые на сервере, включая отцеплённые ранее",
@@ -739,6 +749,8 @@
  "space.in_use": "План используется пространством — сначала отцепите его",
  "btn.use": "Выбрать",
  "confirm.delete_plan": "Удалить файл плана «{name}» с сервера? Действие необратимо.",
+  "confirm.delete_plan_title": "Удалить файл плана?",
+  "confirm.delete_plan_body": "Файл будет удалён с сервера. Это действие нельзя отменить.",
  "toast.plans_list_failed": "Не удалось получить список планов: {err}",
  "toast.plan_delete_failed": "Не удалось удалить план: {err}",
  "marker.hide": "Скрыть",
@@ -581,6 +581,23 @@ export const dialogsStyles = css`
      max-height: 66vh;
      overflow-y: auto;
    }
+    hp-confirm {
+      display: contents;
+    }
+    hp-dialog .danger-confirm-body {
+      display: flex;
+      flex-direction: column;
+      gap: var(--sp-4);
+    }
+    hp-dialog .danger-confirm-body p {
+      margin: 0;
+      line-height: 1.45;
+    }
+    hp-dialog .danger-confirm-object {
+      overflow-wrap: anywhere;
+      font-size: var(--fs-l);
+      line-height: 1.3;
+    }
    .descin {
      width: 100%;
      box-sizing: border-box;
@@ -0,0 +1,74 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import { readFileSync } from 'node:fs';
+
+import { HpConfirmController } from '../test-build/danger-confirm.js';
+
+const request = (key = 'delete-space') => ({
+  key,
+  kind: 'destructive',
+  title: 'Delete?',
+  message: 'This cannot be undone.',
+  confirmLabel: 'Delete',
+  cancelLabel: 'Cancel',
+});
+
+test('danger confirmation resolves only the current token and clears its state', async () => {
+  const changes = [];
+  const controller = new HpConfirmController((state) => changes.push(state));
+  const decision = controller.confirm(request());
+  const token = controller.state.token;
+
+  assert.equal(controller.resolve(token + 1, true), false, 'stale DOM decisions are ignored');
+  assert.equal(controller.resolve(token, true), true);
+  assert.equal(await decision, true);
+  assert.equal(controller.state, null);
+  assert.equal(changes.at(-1), null);
+  assert.equal(controller.resolve(token, true), false, 'double activation is inert');
+});
+
+test('cancel is the safe default and replacement cancels the older request', async () => {
+  const controller = new HpConfirmController(() => undefined);
+  const first = controller.confirm(request('first'));
+  const second = controller.confirm(request('second'));
+  const secondToken = controller.state.token;
+
+  assert.equal(await first, false);
+  assert.equal(controller.cancel(), true);
+  assert.equal(await second, false);
+  assert.equal(controller.resolve(secondToken, true), false);
+  assert.equal(controller.cancel(), false);
+});
+
+test('request text is snapshotted for the visible confirmation', async () => {
+  const controller = new HpConfirmController(() => undefined);
+  const mutable = request();
+  const decision = controller.confirm(mutable);
+  mutable.title = 'Changed after opening';
+  assert.equal(controller.state.request.title, 'Delete?');
+  assert.equal(Object.isFrozen(controller.state.request), true);
+  controller.cancel();
+  assert.equal(await decision, false);
+});
+
+test('all dangerous-action call sites use the shared confirmation contract', () => {
+  const files = [
+    '../src/houseplan-card.ts',
+    '../src/houseplan-editor-runtime.ts',
+    '../src/houseplan-onboarding-runtime.ts',
+  ];
+  const source = files.map((relative) => readFileSync(new URL(relative, import.meta.url), 'utf8')).join('\n');
+  const nativeCalls = source.match(
+    /(?:\bwindow\.confirm|\bglobalThis\.confirm|(?<![\w.])confirm)\s*\(/g,
+  ) || [];
+  const sharedCalls = source.match(/await this(?:\.host)?\._confirmDanger\s*\(\{/g) || [];
+
+  assert.equal(nativeCalls.length, 0, 'native browser confirmation must not return');
+  assert.equal(sharedCalls.length, 8, 'the reviewed inventory stays on the shared surface');
+  for (const key of [
+    'delete-draft', 'delete-draft-segment', 'remove-marker',
+    'delete-plan', 'delete-space', 'unlock',
+  ]) {
+    assert.match(source, new RegExp(`key: '${key}'`));
+  }
+});
@@ -129,9 +129,14 @@ test('lock actuation remains guarded inside the one sanctioned opening-card meth
  const source = readHouseplanProductionSource();
  const action = methodBody(source, '_lockAction');
  const guardAt = action.indexOf('_openingEntityAvailable(entityId)');
-  const confirmAt = action.indexOf('confirm(');
+  const confirmAt = action.indexOf('await this._confirmDanger');
+  const recheckAt = action.indexOf('_openingEntityAvailable(entityId)', guardAt + 1);
  const serviceAt = action.indexOf("callService?.('lock'");
-  assert.ok(guardAt >= 0 && guardAt < confirmAt && confirmAt < serviceAt);
+  assert.ok(
+    guardAt >= 0 && guardAt < confirmAt && confirmAt < recheckAt && recheckAt < serviceAt,
+    'unlock revalidates the opening binding and entity after confirmation',
+  );
+  assert.match(action, /state !== 'locked'/);
  assert.equal(source.match(/callService\?\.\('lock'/g)?.length, 1);
  assert.equal(source.match(/this\._lockAction\(/g)?.length, 1, 'only the opening card button calls it');
 });
@@ -35,7 +35,7 @@
    "src/plan-geometry-preflight.ts",
    "src/furniture.ts",
    "src/floating-surface.ts", "src/floating-surface-controller.ts", "src/help-behavior.ts",
-    "src/hp-help.ts", "src/hp-dialog.ts", "src/hp-color-opacity.ts",
+    "src/hp-help.ts", "src/hp-dialog.ts", "src/hp-color-opacity.ts", "src/danger-confirm.ts",
    "src/opening-placement.ts", "src/opening-dimensions.ts", "src/partition-openings.ts", "src/plan-snap-overlay.ts", "src/wall-face-graph.ts", "src/wall-face-repair.ts", "src/room-deletion.ts", "src/render/opening-symbol.ts",
    "src/wall-thickness.ts",
    "src/wall-segment-model.ts",