2D-Plan-Renderer auf WebGL2 (GPU) + akkumulierter Funktionsstand

Neuer GPU-Renderer fuer den Grundriss (src/plan/glPlan/): Earcut-Tessellierung
(konkav-faehig), gehrte Linienzuege (Miter), echte Papier-mm-Strichbreiten im
Massstab (repliziert den SVG-printStrokeVb-Pfad), Hybrid mit scharfem SVG-Text-
Overlay. GPU ist der Standardpfad; der SVG-Renderer bleibt automatischer Fallback,
falls WebGL2/Shader nicht verfuegbar sind. Imperativer Pan (rAF + CSS-transform)
fuer fluessige Interaktion ohne React-Re-Render je Frame.

Enthaelt zudem den bisher nicht committeten Arbeitsstand des Browser-BIM
(Oeffnungen, Treppen, Raeume, Decken, DXF-Export, Materialbibliothek, Kontext-
Import, Tauri-Compute-Boundary-PoC).

src/i18n/de.ts

@@ -49,6 +49,10 @@ export const de = {
   "topbar.fit.hint": "Auf Plan einpassen",
   "topbar.fitSelection": "Auswahl",
   "topbar.fitSelection.hint": "Auf Auswahl einpassen (sonst auf Plan)",
+  "topbar.exportPdf": "PDF",
+  "topbar.exportPdf.hint": "Grundriss als Vektor-PDF exportieren",
+  "topbar.exportDxf": "DXF",
+  "topbar.exportDxf.hint": "Grundriss als DXF (Modell-Space in Metern) exportieren",
   "topbar.zoom.current": "Aktueller Zoom",
 
   "topbar.renderGroup": "Render-Modus",
@@ -68,6 +72,7 @@ export const de = {
   "display.style.mono": "Schwarz-Weiss",
   "display.style.shaded": "Schattiert",
   "display.style.white": "Weiss",
+  "display.style.textured": "Texturiert",
   "display.style.wireframe": "Drahtgitter",
   "display.style.hidden": "Kanten",
 
@@ -103,12 +108,23 @@ export const de = {
   "tool.group": "Werkzeuge",
   "tool.select": "Auswahl",
   "tool.wall": "Wand",
+  "tool.ceiling": "Decke",
+  "tool.window": "Fenster",
+  "tool.door": "Tür",
+  "tool.stair": "Treppe",
   "tool.line": "Linie",
   "tool.polyline": "Polylinie",
   "tool.rect": "Rechteck",
   "tool.select.hint": "Auswahl — Elemente klicken/aufziehen",
+  "tool.window.hint": "Fenster: Wand wählen, dann Position setzen",
+  "tool.door.hint": "Tür: Wand wählen, dann Position setzen",
+  "tool.stair.hint": "Treppe: Startpunkt, dann Laufrichtung/Ende setzen",
+  "tool.room": "Raum",
+  "tool.room.hint": "Raum: in umschlossenen Bereich klicken (oder Umriss zeichnen)",
   "tool.wall.firstPoint": "Wand: ersten Achspunkt setzen",
   "tool.wall.nextPoint": "Wand: nächsten Punkt — Doppelklick/Rechtsklick beendet",
+  "tool.ceiling.firstPoint": "Decke: ersten Umrisspunkt setzen",
+  "tool.ceiling.nextPoint": "Decke: nächster Punkt — Klick auf Start schließt, Enter beendet",
   "tool.line.firstPoint": "Linie: Startpunkt setzen",
   "tool.line.secondPoint": "Linie: Endpunkt setzen",
   "tool.polyline.firstPoint": "Polylinie: ersten Punkt setzen",
@@ -116,6 +132,7 @@ export const de = {
   "tool.rect.firstCorner": "Rechteck: erste Ecke setzen",
   "tool.rect.secondCorner": "Rechteck: gegenüberliegende Ecke setzen",
   "tool.wallType": "Wandtyp",
+  "tool.ceilingType": "Deckentyp",
   "tool.layer": "Ebene",
   "tool.layer.hint": "Aktive Ebene — alles Gezeichnete kommt auf diese Kategorie",
   "tool.floorOnlyDisabled": "Wand nur auf einem Geschoss zeichenbar",
@@ -209,8 +226,12 @@ export const de = {
   "objinfo.height": "Höhe",
   "objinfo.type": "Typ",
   "objinfo.kind.wall": "Wand",
+  "objinfo.kind.ceiling": "Decke",
   "objinfo.kind.drawing2d": "2D-Objekt",
   "objinfo.kind.door": "Tür",
+  "objinfo.kind.opening": "Öffnung",
+  "objinfo.kind.stair": "Treppe",
+  "objinfo.kind.room": "Raum",
   // ── Wand-Attribute (Object-Info-Panel) ──────────────────────────────────
   "objinfo.wall.section": "Wand",
   "objinfo.wall.refLine": "Referenzlinie",
@@ -230,6 +251,65 @@ export const de = {
   "objinfo.wall.anchorFloor": "An Geschoss gebunden",
   "objinfo.wall.anchorCustom": "Eigene Höhe",
   "objinfo.wall.height": "Höhe",
+  // ── Decken-Attribute (Object-Info-Panel) ────────────────────────────────
+  "objinfo.ceiling.section": "Decke",
+  "objinfo.ceiling.buildup": "Aufbau",
+  "objinfo.ceiling.thickness": "Dicke",
+  "objinfo.ceiling.preset": "Deckenaufbau",
+  "objinfo.ceiling.refFloor": "Referenzgeschoss",
+  "objinfo.ceiling.top": "Oberkante (OK)",
+  "objinfo.ceiling.bottom": "Unterkante (UK)",
+  "objinfo.ceiling.height": "Dicke (OK−UK)",
+  "objinfo.ceiling.area": "Fläche",
+  "objinfo.ceiling.anchorFloor": "An Geschoss gebunden",
+  "objinfo.ceiling.anchorCustom": "Eigene Höhe",
+  // ── Öffnungs-Attribute (Object-Info-Panel) ──────────────────────────────
+  "objinfo.opening.section": "Öffnung",
+  "objinfo.opening.kind": "Art",
+  "objinfo.opening.kind.window": "Fenster",
+  "objinfo.opening.kind.door": "Tür",
+  "objinfo.opening.hostWall": "Wirts-Wand",
+  "objinfo.opening.position": "Position (ab Wandanfang)",
+  "objinfo.opening.width": "Breite",
+  "objinfo.opening.height": "Höhe",
+  "objinfo.opening.sill": "Brüstung",
+  "objinfo.opening.swingAngle": "Öffnungswinkel",
+  "objinfo.opening.hinge": "Anschlag",
+  "objinfo.opening.hinge.start": "Anfang",
+  "objinfo.opening.hinge.end": "Ende",
+  "objinfo.opening.swing": "Aufschlagseite",
+  "objinfo.opening.swing.left": "Links",
+  "objinfo.opening.swing.right": "Rechts",
+  "objinfo.opening.dir": "Richtung",
+  "objinfo.opening.dir.in": "Innen",
+  "objinfo.opening.dir.out": "Außen",
+  "objinfo.opening.bottom": "Unterkante (UK)",
+  "objinfo.opening.top": "Oberkante (OK)",
+  // ── Treppen-Attribute (Object-Info-Panel) ───────────────────────────────
+  "objinfo.stair.section": "Treppe",
+  "objinfo.stair.shape": "Grundform",
+  "objinfo.stair.shape.straight": "Gerade",
+  "objinfo.stair.shape.L": "L-Treppe",
+  "objinfo.stair.shape.spiral": "Wendel",
+  "objinfo.stair.width": "Laufbreite",
+  "objinfo.stair.steps": "Stufenanzahl",
+  "objinfo.stair.rise": "Steighöhe (gesamt)",
+  "objinfo.stair.riser": "Steigungshöhe",
+  "objinfo.stair.tread": "Auftrittstiefe",
+  "objinfo.stair.direction": "Laufrichtung",
+  "objinfo.stair.direction.up": "Aufwärts",
+  "objinfo.stair.direction.down": "Abwärts",
+  "objinfo.stair.refFloor": "Referenzgeschoss",
+  "objinfo.stair.bottom": "Unterkante (UK)",
+  "objinfo.stair.top": "Oberkante (OK)",
+  // ── Raum-Attribute (Object-Info-Panel) ──────────────────────────────────
+  "objinfo.room.section": "Raum",
+  "objinfo.room.name": "Name",
+  "objinfo.room.sia": "SIA-Kategorie",
+  "objinfo.room.area": "Fläche",
+  "objinfo.room.perimeter": "Umfang",
+  "objinfo.room.refFloor": "Referenzgeschoss",
+  "objinfo.room.editStamp": "Stempel bearbeiten …",
   "objinfo.wall.floorAboveNone": "Kein oberes Geschoss",
   "levels.addFloor": "+ Geschoss",
   "levels.addDrawing": "+ Zeichnung",
@@ -280,6 +360,11 @@ export const de = {
   "ctx.fitSelection": "Auf Auswahl einpassen",
   "ctx.clearSelection": "Auswahl aufheben",
   "ctx.fit": "Ansicht einpassen",
+  "ctx.union": "Vereinigen",
+  "ctx.subtract": "Subtrahieren",
+  "ctx.intersect": "Schneiden",
+  "ctx.boolean.disabled":
+    "Mindestens zwei geschlossene Flächen auswählen (Rechteck oder geschlossene Polylinie).",
   "ctx.noWallHit": "Keine Wand getroffen",
   "ctx.noWallHit.hint": "Rechtsklick auf eine Wand wählt sie und zeigt Wand-Aktionen.",
 
@@ -358,8 +443,47 @@ export const de = {
   "resources.col.prio": "Prio",
   "resources.col.prio.hint": "Höhere Priorität läuft am Stoß durch",
   "resources.col.texture": "Textur",
+  "resources.col.material": "Material",
   "resources.delete.component": "Bauteil „{name}\" löschen",
 
+  // 3D-Material (PBR) — Bibliotheks-Auswahl + Upload.
+  "material.assign": "Material …",
+  "material.none": "— ohne —",
+  "material.dialog.title": "3D-Material zuweisen",
+  "material.dialog.hint": "Wähle ein eingebautes Material oder lade eigene Texturen hoch. Wirkt im 3D-Modus „Texturiert\".",
+  "material.library": "Bibliothek (ambientCG, CC0)",
+  "material.upload": "Eigene Texturen",
+  "material.upload.hint": "Lade Bilder als Karten hoch (mindestens Farbe). Größe = physische Kachelgröße in Metern.",
+  "material.upload.color": "Farbe (Albedo)",
+  "material.upload.normal": "Normal",
+  "material.upload.roughness": "Rauheit",
+  "material.upload.displacement": "Höhe",
+  "material.upload.ao": "AO",
+  "material.upload.choose": "Bild …",
+  "material.upload.apply": "Zuweisen",
+  "material.size": "Kachelgröße (m)",
+  "material.current": "Aktuell",
+  "material.clear": "Material entfernen",
+  "material.close": "Schließen",
+  "material.uploaded": "Hochgeladen",
+  // ── ambientCG-Bibliothek durchsuchen (Live) ──────────────────────────────
+  "material.browse": "Bibliothek durchsuchen",
+  "material.browse.starter": "Schnellauswahl",
+  "material.browse.hint":
+    "Durchsuche die komplette CC0-Bibliothek von ambientCG (~2000+ Materialien). Ein Klick lädt die Texturen zur Laufzeit herunter und weist sie zu.",
+  "material.browse.search": "Suchen …",
+  "material.browse.searchPlaceholder": "z. B. Holz, Beton, Fliesen …",
+  "material.browse.category.all": "Alle Kategorien",
+  "material.browse.resolution": "Auflösung",
+  "material.browse.more": "Mehr laden",
+  "material.browse.loading": "Lädt …",
+  "material.browse.downloading": "Textur wird geladen …",
+  "material.browse.empty": "Keine Materialien gefunden.",
+  "material.browse.count": "{shown} von {total}",
+  "material.browse.error":
+    "Bibliothek nicht erreichbar. Zur Laufzeit ist ein Proxy für ambientCG nötig (Dev: Vite-Proxy aktiv; Prod: VITE_AMBIENTCG_PROXY setzen).",
+  "material.browse.downloadError": "Download fehlgeschlagen (CORS/Proxy prüfen).",
+
   // Schraffuren.
   "resources.hatches.hint": "Muster, Maßstab und Winkel steuern die Schnitt-Schraffur; der Linienstil bestimmt die Stärke der Musterlinien.",
   "resources.hatches.empty": "Noch keine Schraffuren.",
@@ -397,6 +521,30 @@ export const de = {
   "cmd.aria": "Befehlszeile",
   "cmd.idle.prompt": "Befehl:",
   "cmd.idle.placeholder": "Befehl eingeben … (Tab)",
+  "cmd.wall.label": "Wand",
+  "cmd.wall.start": "Startpunkt der Wand:",
+  "cmd.wall.next": "Nächster Punkt:",
+  "cmd.ceiling.label": "Decke",
+  "cmd.ceiling.start": "Erster Umrisspunkt der Decke:",
+  "cmd.ceiling.next": "Nächster Punkt ( Schliessen ):",
+  "cmd.opening.label": "Öffnung",
+  "cmd.opening.windowLabel": "Fenster",
+  "cmd.opening.doorLabel": "Tür",
+  "cmd.opening.wall": "Wand für die Öffnung wählen:",
+  "cmd.opening.pos": "Position entlang der Wand ( Abstand tippen ):",
+  "cmd.opening.kind": "Art",
+  "cmd.opening.hinge": "Anschlag",
+  "cmd.opening.side": "Seite",
+  "cmd.opening.dir": "Richtung",
+  "cmd.opening.sillField": "Brüstung",
+  "cmd.opening.swingField": "Winkel",
+  "cmd.stair.label": "Treppe",
+  "cmd.stair.start": "Startpunkt der Treppe:",
+  "cmd.stair.run": "Laufrichtung / Ende ( Grundform · Auf/Ab ):",
+  "cmd.stair.shape": "Grundform",
+  "cmd.stair.updown": "Auf/Ab",
+  "cmd.stair.stepsField": "Stufen",
+  "cmd.stair.riseField": "Steighöhe",
   "cmd.line.label": "Linie",
   "cmd.line.start": "Startpunkt der Linie:",
   "cmd.line.end": "Endpunkt der Linie:",
@@ -405,9 +553,15 @@ export const de = {
   "cmd.polyline.next": "Nächster Punkt:",
   "cmd.polyline.close": "Schliessen",
   "cmd.polyline.undo": "Zurück",
+  "cmd.polyline.closedOpt": "Geschlossen",
   "cmd.rect.label": "Rechteck",
   "cmd.rect.first": "Erste Ecke:",
   "cmd.rect.second": "Gegenüberliegende Ecke:",
+  "cmd.rect.method": "Methode",
+  "cmd.rect.center": "Mittelpunkt:",
+  "cmd.rect.corner": "Ecke:",
+  "cmd.rect.baseEnd": "Zweite Ecke (Basiskante):",
+  "cmd.rect.rise": "Höhe:",
   "cmd.circle.label": "Kreis",
   "cmd.circle.center": "Mittelpunkt:",
   "cmd.circle.radius": "Radius:",
@@ -416,6 +570,11 @@ export const de = {
   "cmd.move.base": "Basispunkt:",
   "cmd.move.target": "Zielpunkt:",
   "cmd.move.empty": "Nichts gewählt (erst Objekte wählen).",
+  "cmd.mirror.label": "Spiegeln",
+  "cmd.mirror.first": "Erster Punkt der Spiegelachse:",
+  "cmd.mirror.second": "Zweiter Punkt der Spiegelachse:",
+  "cmd.mirror.empty": "Nichts gewählt (erst Objekte wählen).",
+  "cmd.join.prompt": "Verbinde gewählte Elemente …",
   "cmd.copy.label": "Kopieren",
   "cmd.copy.base": "Basispunkt:",
   "cmd.copy.target": "Zielpunkt (Enter beendet):",
@@ -423,6 +582,9 @@ export const de = {
   "cmd.offset.label": "Versatz",
   "cmd.offset.pick": "Kurve wählen:",
   "cmd.offset.side": "Seite oder Distanz:",
+  // Trim (Quick-Trim): auf den wegzuschneidenden Abschnitt klicken; wiederholend.
+  "cmd.trim.label": "Stutzen",
+  "cmd.trim.pick": "Abschnitt zum Wegschneiden anklicken (Esc beendet):",
   // Editier-Werkzeuge Split / Join / Segment-Löschen (Tastatur: Ctrl+S / Ctrl+J /
   // Alt+Klick). Labels für Befehlsleiste/Menüs.
   "edit.split.label": "Teilen",
@@ -435,6 +597,8 @@ export const de = {
   "cmd.field.height": "Höhe",
   "cmd.field.radius": "Radius",
   "cmd.field.distance": "Distanz",
+  "cmd.field.thickness": "Dicke",
+  "cmd.edit.point": "Griff ziehen (Tab: Länge/Winkel):",
 
   // ── Befehle: Import / Gelände ────────────────────────────────────────────
   "cmd.import.label": "Importieren",
@@ -442,6 +606,17 @@ export const de = {
   "cmd.terrain.label": "Gelände",
   "cmd.terrain.prompt": "Gelände aus Konturen erzeugen …",
 
+  // ── Flächenbilanz (SIA 416) ──────────────────────────────────────────────
+  "nav.roomBalance": "Flächenbilanz",
+  "balance.title": "Flächenbilanz (SIA 416)",
+  "balance.rooms": "Räume",
+  "balance.summary": "Bilanz",
+  "balance.export": "CSV exportieren",
+  "balance.empty": "Keine Räume vorhanden. Mit dem Raum-Werkzeug erstellen.",
+  // ── Raum-Stempel-Editor ──────────────────────────────────────────────────
+  "room.stamp.editTitle": "Raum-Stempel bearbeiten",
+  "room.stamp.close": "Schliessen",
+
   // ── Site-/Kontext-Panel (SitePanel) ──────────────────────────────────────
   "nav.site": "Gelände",
   "site.title": "Gelände & Kontext",
@@ -487,6 +662,28 @@ export const de = {
   "import.badge.elevation": "Ansicht",
   "import.badge.drawing": "Zeichnung",
 
+  // ── PDF-Export ───────────────────────────────────────────────────────────
+  "export.title": "PDF exportieren",
+  "export.close": "Schließen",
+  "export.plan": "Plan",
+  "export.scale": "Massstab",
+  "export.paper": "Papierformat",
+  "export.orientation": "Ausrichtung",
+  "export.orientation.portrait": "Hochformat",
+  "export.orientation.landscape": "Querformat",
+  "export.warnFit":
+    "Der Plan passt im gewählten Massstab nicht ganz auf das Blatt — größeres Format oder kleineren Massstab wählen.",
+  "export.confirm": "Exportieren",
+  "export.cancel": "Abbrechen",
+
+  // ── DXF-Export ───────────────────────────────────────────────────────────
+  "exportDxf.title": "DXF exportieren",
+  "exportDxf.hatches": "Schraffuren",
+  "exportDxf.hatches.yes": "Mitexportieren",
+  "exportDxf.hatches.no": "Nur Umrisse",
+  "exportDxf.unitsNote":
+    "Modell-Space in Metern (1:1). Layer entsprechen den Ebenen des Projekts; beim Plot beliebig skalierbar.",
+
   // ── Drag & Drop (App-weiter Datei-Drop) ──────────────────────────────────
   "drop.hint": "DXF/DWG-Datei hier ablegen",
 
@@ -495,6 +692,77 @@ export const de = {
   "error.title": "Etwas ist schiefgelaufen",
   "error.body": "Ein unerwarteter Fehler ist aufgetreten. Details in der Konsole.",
   "error.reload": "Neu laden",
+
+  // ── Standort-Import (geo.admin / OSM) ─────────────────────────────────────
+  "site.importLocation": "Standort importieren",
+  "ctxImport.title": "Standort importieren",
+  "ctxImport.close": "Schließen",
+  "ctxImport.location": "Ort / Adresse",
+  "ctxImport.searchPlaceholder": "z. B. Bundesplatz Bern",
+  "ctxImport.search": "Suchen",
+  "ctxImport.searching": "Suche…",
+  "ctxImport.noResults": "Keine Treffer.",
+  "ctxImport.searchError": "Suche fehlgeschlagen.",
+  "ctxImport.radius": "Radius",
+  "ctxImport.sources": "Quellen",
+  "ctxImport.src.swissBuildings": "Swisstopo-Gebäude",
+  "ctxImport.src.osmBuildings": "OSM-Gebäude",
+  "ctxImport.src.osmRoads": "OSM-Strassen",
+  "ctxImport.src.osmWater": "OSM-Wasser",
+  "ctxImport.src.osmGreen": "OSM-Grün",
+  "ctxImport.cancel": "Abbrechen",
+  "ctxImport.confirm": "Importieren",
+  "ctxImport.importing": "Importiere…",
+  "ctxImport.working": "Lade Geodaten…",
+  "ctxImport.empty": "Keine Geometrie im gewählten Bereich gefunden.",
+  "ctxImport.importError": "Import fehlgeschlagen.",
+  "ctxImport.imported": "{count} Objekte in {sets} Sätzen importiert.",
+
+  // ── Raum-Befehl ─────────────────────────────────────────────────────────────
+  "cmd.room.label": "Raum",
+  "cmd.room.mode": "Modus",
+  "cmd.room.inside": "Klick in Raum setzen:",
+  "cmd.room.first": "Ersten Raumpunkt setzen:",
+  "cmd.room.next": "Nächsten Punkt setzen ( Enter/Start schließt ):",
+
+  // ── Text-Gruppe (Oberleiste) ─────────────────────────────────────────────
+  "text.group": "Text",
+  "text.style": "Stil",
+  "text.style.none": "— Stil —",
+  "text.font": "Schrift",
+  "text.size": "Grösse",
+  "text.size.custom": "Eigene …",
+  "text.size.customPrompt": "Schriftgrösse in pt:",
+  "text.bold": "Fett",
+  "text.italic": "Kursiv",
+  "text.underline": "Unterstrichen",
+  "text.align.left": "Linksbündig",
+  "text.align.center": "Zentriert",
+  "text.align.right": "Rechtsbündig",
+  "text.add": "Text",
+  "text.add.hint": "Text-Werkzeug — neuen Text platzieren (bald verfügbar)",
+  "text.editTitle": "Text bearbeiten",
+  "text.apply": "Übernehmen",
+  "text.cancel": "Abbrechen",
+  "roomStamp.title": "Raumstempel bearbeiten",
+  "roomStamp.number": "Raumnummer",
+  "roomStamp.name": "Raumname",
+  "roomStamp.nameLine2": "Raumname Zeile 2",
+  "roomStamp.showFloorArea": "Bodenfläche anzeigen",
+  "roomStamp.floorAreaPrefix": "Präfix Bodenfläche",
+  "roomStamp.showUsage": "Nutzung anzeigen",
+  "text.selectedHint": "Formatierung wirkt auf den ausgewählten Text",
+
+  // ── Rich-Text-Editor ────────────────────────────────────────────────────────
+  "rt.bold": "Fett",
+  "rt.italic": "Kursiv",
+  "rt.underline": "Unterstrichen",
+  "rt.strike": "Durchgestrichen",
+  "rt.strikethrough": "Durchgestrichen",
+  "rt.fontSize": "Schriftgrösse",
+  "rt.color": "Farbe",
+  "rt.preset": "Vorlage",
+  "rt.preset.none": "— Vorlage —",
 } as const;
 
 export type TranslationKey = keyof typeof de;

src/i18n/en.ts

@@ -48,6 +48,10 @@ export const en: Record<TranslationKey, string> = {
   "topbar.fit.hint": "Fit to plan",
   "topbar.fitSelection": "Selection",
   "topbar.fitSelection.hint": "Fit to selection (otherwise to plan)",
+  "topbar.exportPdf": "PDF",
+  "topbar.exportPdf.hint": "Export the floor plan as a vector PDF",
+  "topbar.exportDxf": "DXF",
+  "topbar.exportDxf.hint": "Export the floor plan as DXF (model space in meters)",
   "topbar.zoom.current": "Current zoom",
 
   "topbar.renderGroup": "Render mode",
@@ -67,6 +71,7 @@ export const en: Record<TranslationKey, string> = {
   "display.style.mono": "Black & white",
   "display.style.shaded": "Shaded",
   "display.style.white": "White",
+  "display.style.textured": "Textured",
   "display.style.wireframe": "Wireframe",
   "display.style.hidden": "Hidden line",
 
@@ -102,12 +107,23 @@ export const en: Record<TranslationKey, string> = {
   "tool.group": "Tools",
   "tool.select": "Select",
   "tool.wall": "Wall",
+  "tool.ceiling": "Ceiling",
+  "tool.window": "Window",
+  "tool.door": "Door",
+  "tool.stair": "Stair",
   "tool.line": "Line",
   "tool.polyline": "Polyline",
   "tool.rect": "Rectangle",
   "tool.select.hint": "Select — click/drag elements",
+  "tool.window.hint": "Window: pick a wall, then set the position",
+  "tool.door.hint": "Door: pick a wall, then set the position",
+  "tool.stair.hint": "Stair: set start point, then run direction/end",
+  "tool.room": "Room",
+  "tool.room.hint": "Room: click inside an enclosed area (or draw an outline)",
   "tool.wall.firstPoint": "Wall: set first axis point",
   "tool.wall.nextPoint": "Wall: next point — double/right-click to finish",
+  "tool.ceiling.firstPoint": "Ceiling: set first outline point",
+  "tool.ceiling.nextPoint": "Ceiling: next point — click start to close, Enter finishes",
   "tool.line.firstPoint": "Line: set start point",
   "tool.line.secondPoint": "Line: set end point",
   "tool.polyline.firstPoint": "Polyline: set first point",
@@ -115,6 +131,7 @@ export const en: Record<TranslationKey, string> = {
   "tool.rect.firstCorner": "Rectangle: set first corner",
   "tool.rect.secondCorner": "Rectangle: set opposite corner",
   "tool.wallType": "Wall type",
+  "tool.ceilingType": "Ceiling type",
   "tool.layer": "Layer",
   "tool.layer.hint": "Active layer — everything drawn goes onto this category",
   "tool.floorOnlyDisabled": "Walls can only be drawn on a floor",
@@ -208,8 +225,12 @@ export const en: Record<TranslationKey, string> = {
   "objinfo.height": "Height",
   "objinfo.type": "Type",
   "objinfo.kind.wall": "Wall",
+  "objinfo.kind.ceiling": "Ceiling",
   "objinfo.kind.drawing2d": "2D object",
   "objinfo.kind.door": "Door",
+  "objinfo.kind.opening": "Opening",
+  "objinfo.kind.stair": "Stair",
+  "objinfo.kind.room": "Room",
   // ── Wall attributes (object info panel) ──────────────────────────────────
   "objinfo.wall.section": "Wall",
   "objinfo.wall.refLine": "Reference line",
@@ -230,6 +251,64 @@ export const en: Record<TranslationKey, string> = {
   "objinfo.wall.anchorCustom": "Custom height",
   "objinfo.wall.height": "Height",
   "objinfo.wall.floorAboveNone": "No floor above",
+  // ── Ceiling attributes (object info panel) ───────────────────────────────
+  "objinfo.ceiling.section": "Ceiling",
+  "objinfo.ceiling.buildup": "Build-up",
+  "objinfo.ceiling.thickness": "Thickness",
+  "objinfo.ceiling.preset": "Ceiling style",
+  "objinfo.ceiling.refFloor": "Reference floor",
+  "objinfo.ceiling.top": "Top (OK)",
+  "objinfo.ceiling.bottom": "Bottom (UK)",
+  "objinfo.ceiling.height": "Thickness (OK−UK)",
+  "objinfo.ceiling.area": "Area",
+  "objinfo.ceiling.anchorFloor": "Bound to floor",
+  "objinfo.ceiling.anchorCustom": "Custom height",
+  // ── Opening attributes (object info panel) ──────────────────────────────
+  "objinfo.opening.section": "Opening",
+  "objinfo.opening.kind": "Type",
+  "objinfo.opening.kind.window": "Window",
+  "objinfo.opening.kind.door": "Door",
+  "objinfo.opening.hostWall": "Host wall",
+  "objinfo.opening.position": "Position (from wall start)",
+  "objinfo.opening.width": "Width",
+  "objinfo.opening.height": "Height",
+  "objinfo.opening.sill": "Sill height",
+  "objinfo.opening.swingAngle": "Swing angle",
+  "objinfo.opening.hinge": "Hinge",
+  "objinfo.opening.hinge.start": "Start",
+  "objinfo.opening.hinge.end": "End",
+  "objinfo.opening.swing": "Swing side",
+  "objinfo.opening.swing.left": "Left",
+  "objinfo.opening.swing.right": "Right",
+  "objinfo.opening.dir": "Direction",
+  "objinfo.opening.dir.in": "In",
+  "objinfo.opening.dir.out": "Out",
+  "objinfo.opening.bottom": "Bottom (UK)",
+  "objinfo.opening.top": "Top (OK)",
+  "objinfo.stair.section": "Stair",
+  "objinfo.stair.shape": "Shape",
+  "objinfo.stair.shape.straight": "Straight",
+  "objinfo.stair.shape.L": "L-shaped",
+  "objinfo.stair.shape.spiral": "Spiral",
+  "objinfo.stair.width": "Run width",
+  "objinfo.stair.steps": "Step count",
+  "objinfo.stair.rise": "Total rise",
+  "objinfo.stair.riser": "Riser height",
+  "objinfo.stair.tread": "Tread depth",
+  "objinfo.stair.direction": "Run direction",
+  "objinfo.stair.direction.up": "Upwards",
+  "objinfo.stair.direction.down": "Downwards",
+  "objinfo.stair.refFloor": "Reference floor",
+  "objinfo.stair.bottom": "Bottom (UK)",
+  "objinfo.stair.top": "Top (OK)",
+  // ── Room attributes (object info panel) ──────────────────────────────────
+  "objinfo.room.section": "Room",
+  "objinfo.room.name": "Name",
+  "objinfo.room.sia": "SIA category",
+  "objinfo.room.area": "Area",
+  "objinfo.room.perimeter": "Perimeter",
+  "objinfo.room.refFloor": "Reference floor",
+  "objinfo.room.editStamp": "Edit stamp …",
   "levels.addFloor": "+ Floor",
   "levels.addDrawing": "+ Drawing",
   "layers.addCategory": "+ Layer",
@@ -279,6 +358,11 @@ export const en: Record<TranslationKey, string> = {
   "ctx.fitSelection": "Fit to selection",
   "ctx.clearSelection": "Clear selection",
   "ctx.fit": "Fit view",
+  "ctx.union": "Union",
+  "ctx.subtract": "Subtract",
+  "ctx.intersect": "Intersect",
+  "ctx.boolean.disabled":
+    "Select at least two closed areas (rectangle or closed polyline).",
   "ctx.noWallHit": "No wall hit",
   "ctx.noWallHit.hint": "Right-clicking a wall selects it and shows wall actions.",
 
@@ -355,8 +439,47 @@ export const en: Record<TranslationKey, string> = {
   "resources.col.prio": "Prio",
   "resources.col.prio.hint": "Higher priority runs through at the join",
   "resources.col.texture": "Texture",
+  "resources.col.material": "Material",
   "resources.delete.component": "Delete component “{name}”",
 
+  // 3D material (PBR) — built-in library + upload.
+  "material.assign": "Material …",
+  "material.none": "— none —",
+  "material.dialog.title": "Assign 3D material",
+  "material.dialog.hint": "Pick a built-in material or upload your own textures. Applies in the 3D “Textured” mode.",
+  "material.library": "Library (ambientCG, CC0)",
+  "material.upload": "Own textures",
+  "material.upload.hint": "Upload images as maps (at least color). Size = physical tile size in meters.",
+  "material.upload.color": "Color (albedo)",
+  "material.upload.normal": "Normal",
+  "material.upload.roughness": "Roughness",
+  "material.upload.displacement": "Height",
+  "material.upload.ao": "AO",
+  "material.upload.choose": "Image …",
+  "material.upload.apply": "Assign",
+  "material.size": "Tile size (m)",
+  "material.current": "Current",
+  "material.clear": "Remove material",
+  "material.close": "Close",
+  "material.uploaded": "Uploaded",
+  // ── Browse ambientCG library (live) ──────────────────────────────────────
+  "material.browse": "Browse library",
+  "material.browse.starter": "Quick pick",
+  "material.browse.hint":
+    "Search the full CC0 ambientCG library (~2000+ materials). One click downloads the textures at runtime and assigns them.",
+  "material.browse.search": "Search …",
+  "material.browse.searchPlaceholder": "e.g. wood, concrete, tiles …",
+  "material.browse.category.all": "All categories",
+  "material.browse.resolution": "Resolution",
+  "material.browse.more": "Load more",
+  "material.browse.loading": "Loading …",
+  "material.browse.downloading": "Downloading texture …",
+  "material.browse.empty": "No materials found.",
+  "material.browse.count": "{shown} of {total}",
+  "material.browse.error":
+    "Library unreachable. A proxy for ambientCG is required at runtime (dev: Vite proxy active; prod: set VITE_AMBIENTCG_PROXY).",
+  "material.browse.downloadError": "Download failed (check CORS/proxy).",
+
   "resources.hatches.hint": "Pattern, scale and angle drive the section hatch; the line style sets the weight of the pattern lines.",
   "resources.hatches.empty": "No hatches yet.",
   "resources.hatches.placeholder": "Hatch",
@@ -390,6 +513,30 @@ export const en: Record<TranslationKey, string> = {
   "cmd.aria": "Command line",
   "cmd.idle.prompt": "Command:",
   "cmd.idle.placeholder": "Type a command … (Tab)",
+  "cmd.wall.label": "Wall",
+  "cmd.wall.start": "Start of wall:",
+  "cmd.wall.next": "Next point:",
+  "cmd.ceiling.label": "Ceiling",
+  "cmd.ceiling.start": "First outline point of ceiling:",
+  "cmd.ceiling.next": "Next point ( Close ):",
+  "cmd.opening.label": "Opening",
+  "cmd.opening.windowLabel": "Window",
+  "cmd.opening.doorLabel": "Door",
+  "cmd.opening.wall": "Pick a wall for the opening:",
+  "cmd.opening.pos": "Position along the wall ( type distance ):",
+  "cmd.opening.kind": "Type",
+  "cmd.opening.hinge": "Hinge",
+  "cmd.opening.side": "Side",
+  "cmd.opening.dir": "Direction",
+  "cmd.opening.sillField": "Sill",
+  "cmd.opening.swingField": "Angle",
+  "cmd.stair.label": "Stair",
+  "cmd.stair.start": "Start point of the stair:",
+  "cmd.stair.run": "Run direction / end ( Shape · Up/Down ):",
+  "cmd.stair.shape": "Shape",
+  "cmd.stair.updown": "Up/Down",
+  "cmd.stair.stepsField": "Steps",
+  "cmd.stair.riseField": "Rise",
   "cmd.line.label": "Line",
   "cmd.line.start": "Start of line:",
   "cmd.line.end": "End of line:",
@@ -398,9 +545,15 @@ export const en: Record<TranslationKey, string> = {
   "cmd.polyline.next": "Next point:",
   "cmd.polyline.close": "Close",
   "cmd.polyline.undo": "Undo",
+  "cmd.polyline.closedOpt": "Closed",
   "cmd.rect.label": "Rectangle",
   "cmd.rect.first": "First corner:",
   "cmd.rect.second": "Opposite corner:",
+  "cmd.rect.method": "Method",
+  "cmd.rect.center": "Center:",
+  "cmd.rect.corner": "Corner:",
+  "cmd.rect.baseEnd": "Second corner (base edge):",
+  "cmd.rect.rise": "Height:",
   "cmd.circle.label": "Circle",
   "cmd.circle.center": "Center:",
   "cmd.circle.radius": "Radius:",
@@ -408,6 +561,11 @@ export const en: Record<TranslationKey, string> = {
   "cmd.move.base": "Base point:",
   "cmd.move.target": "Target point:",
   "cmd.move.empty": "Nothing selected (select objects first).",
+  "cmd.mirror.label": "Mirror",
+  "cmd.mirror.first": "First point of mirror axis:",
+  "cmd.mirror.second": "Second point of mirror axis:",
+  "cmd.mirror.empty": "Nothing selected (select objects first).",
+  "cmd.join.prompt": "Joining selected elements …",
   "cmd.copy.label": "Copy",
   "cmd.copy.base": "Base point:",
   "cmd.copy.target": "Target point (Enter to finish):",
@@ -415,6 +573,9 @@ export const en: Record<TranslationKey, string> = {
   "cmd.offset.label": "Offset",
   "cmd.offset.pick": "Select curve:",
   "cmd.offset.side": "Side or distance:",
+  // Trim (quick-trim): click the part to cut away; repeats until Esc.
+  "cmd.trim.label": "Trim",
+  "cmd.trim.pick": "Click the part to trim away (Esc to finish):",
   // Edit tools Split / Join / Delete segment (keyboard: Ctrl+S / Ctrl+J /
   // Alt+Click). Labels for the command line / menus.
   "edit.split.label": "Split",
@@ -427,6 +588,8 @@ export const en: Record<TranslationKey, string> = {
   "cmd.field.height": "Height",
   "cmd.field.radius": "Radius",
   "cmd.field.distance": "Distance",
+  "cmd.field.thickness": "Thickness",
+  "cmd.edit.point": "Drag grip (Tab: length/angle):",
 
   // Commands: import / terrain.
   "cmd.import.label": "Import",
@@ -434,6 +597,17 @@ export const en: Record<TranslationKey, string> = {
   "cmd.terrain.label": "Terrain",
   "cmd.terrain.prompt": "Generate terrain from contours …",
 
+  // Area balance (SIA 416).
+  "nav.roomBalance": "Area balance",
+  "balance.title": "Area balance (SIA 416)",
+  "balance.rooms": "Rooms",
+  "balance.summary": "Balance",
+  "balance.export": "Export CSV",
+  "balance.empty": "No rooms yet. Create one with the room tool.",
+  // Room stamp editor.
+  "room.stamp.editTitle": "Edit room stamp",
+  "room.stamp.close": "Close",
+
   // Site / context panel (SitePanel).
   "nav.site": "Terrain",
   "site.title": "Terrain & Context",
@@ -479,6 +653,28 @@ export const en: Record<TranslationKey, string> = {
   "import.badge.elevation": "Elevation",
   "import.badge.drawing": "Drawing",
 
+  // PDF export.
+  "export.title": "Export PDF",
+  "export.close": "Close",
+  "export.plan": "Plan",
+  "export.scale": "Scale",
+  "export.paper": "Paper size",
+  "export.orientation": "Orientation",
+  "export.orientation.portrait": "Portrait",
+  "export.orientation.landscape": "Landscape",
+  "export.warnFit":
+    "At the chosen scale the plan does not fully fit the sheet — pick a larger format or a smaller scale.",
+  "export.confirm": "Export",
+  "export.cancel": "Cancel",
+
+  // DXF export.
+  "exportDxf.title": "Export DXF",
+  "exportDxf.hatches": "Hatches",
+  "exportDxf.hatches.yes": "Include",
+  "exportDxf.hatches.no": "Outlines only",
+  "exportDxf.unitsNote":
+    "Model space in meters (1:1). Layers mirror the project's categories; scale freely on plot.",
+
   // Drag & drop (app-wide file drop).
   "drop.hint": "Drop a DXF/DWG file here",
 
@@ -487,4 +683,75 @@ export const en: Record<TranslationKey, string> = {
   "error.title": "Something went wrong",
   "error.body": "An unexpected error occurred. Details in the console.",
   "error.reload": "Reload",
+
+  // Location import (geo.admin / OSM).
+  "site.importLocation": "Import location",
+  "ctxImport.title": "Import location",
+  "ctxImport.close": "Close",
+  "ctxImport.location": "Place / address",
+  "ctxImport.searchPlaceholder": "e.g. Bundesplatz Bern",
+  "ctxImport.search": "Search",
+  "ctxImport.searching": "Searching…",
+  "ctxImport.noResults": "No matches.",
+  "ctxImport.searchError": "Search failed.",
+  "ctxImport.radius": "Radius",
+  "ctxImport.sources": "Sources",
+  "ctxImport.src.swissBuildings": "Swisstopo buildings",
+  "ctxImport.src.osmBuildings": "OSM buildings",
+  "ctxImport.src.osmRoads": "OSM roads",
+  "ctxImport.src.osmWater": "OSM water",
+  "ctxImport.src.osmGreen": "OSM greenery",
+  "ctxImport.cancel": "Cancel",
+  "ctxImport.confirm": "Import",
+  "ctxImport.importing": "Importing…",
+  "ctxImport.working": "Loading geodata…",
+  "ctxImport.empty": "No geometry found in the selected area.",
+  "ctxImport.importError": "Import failed.",
+  "ctxImport.imported": "Imported {count} objects in {sets} sets.",
+
+  // Room command.
+  "cmd.room.label": "Room",
+  "cmd.room.mode": "Mode",
+  "cmd.room.inside": "Click inside room:",
+  "cmd.room.first": "Set first room point:",
+  "cmd.room.next": "Set next point ( Enter/Start closes ):",
+
+  // Rich-text editor.
+  // Text group (top bar).
+  "text.group": "Text",
+  "text.style": "Style",
+  "text.style.none": "— Style —",
+  "text.font": "Font",
+  "text.size": "Size",
+  "text.size.custom": "Custom …",
+  "text.size.customPrompt": "Font size in pt:",
+  "text.bold": "Bold",
+  "text.italic": "Italic",
+  "text.underline": "Underline",
+  "text.align.left": "Align left",
+  "text.align.center": "Center",
+  "text.align.right": "Align right",
+  "text.add": "Text",
+  "text.add.hint": "Text tool — place new text (coming soon)",
+  "text.editTitle": "Edit text",
+  "text.apply": "Apply",
+  "text.cancel": "Cancel",
+  "roomStamp.title": "Edit room stamp",
+  "roomStamp.number": "Room number",
+  "roomStamp.name": "Room name",
+  "roomStamp.nameLine2": "Room name line 2",
+  "roomStamp.showFloorArea": "Show floor area",
+  "roomStamp.floorAreaPrefix": "Floor area prefix",
+  "roomStamp.showUsage": "Show usage",
+  "text.selectedHint": "Formatting applies to the selected text",
+
+  "rt.bold": "Bold",
+  "rt.italic": "Italic",
+  "rt.underline": "Underline",
+  "rt.strike": "Strikethrough",
+  "rt.strikethrough": "Strikethrough",
+  "rt.fontSize": "Font size",
+  "rt.color": "Color",
+  "rt.preset": "Preset",
+  "rt.preset.none": "— Preset —",
 };