diff --git a/blight-assets/src/main/resources/Textures/internal/foliage/weeping_willow.png b/blight-assets/src/main/resources/Textures/internal/foliage/weeping_willow.png
new file mode 100644
index 0000000..38c32ea
Binary files /dev/null and b/blight-assets/src/main/resources/Textures/internal/foliage/weeping_willow.png differ
diff --git a/blight-editor/src/main/java/de/blight/editor/EditorApp.java b/blight-editor/src/main/java/de/blight/editor/EditorApp.java
index 0c122b2..50b7c67 100644
--- a/blight-editor/src/main/java/de/blight/editor/EditorApp.java
+++ b/blight-editor/src/main/java/de/blight/editor/EditorApp.java
@@ -96,7 +96,7 @@ public class EditorApp extends Application {
     private String             contentLastSection = "character";
     private ToggleButton       contentCharBtn, contentQuestBtn, contentFraktionBtn,
                                contentItemBtn, contentRezeptBtn, contentCraftingBtn,
-                               contentAreaBtn, contentLocationBtn;
+                               contentAreaBtn, contentLocationBtn, contentLangBtn;
     private CheckMenuItem      dualWindowMenuItem;
     private CheckMenuItem      showGridItem;
     private Button             contentSwitchBtn;  // "> Content" in Welt-Toolbar (nur 1-Fenster)
@@ -9642,7 +9642,13 @@ public class EditorApp extends Application {
                     else if (input.ctrlHeld) input.debugNoLightToggle = true;
                 } else if (input.ctrlHeld) input.debugNoLightToggle = true;
             }
-            case F9  -> { if (pressed && "world".equals(currentTool)) Platform.runLater(() -> { if (wasserMergedBtn != null) wasserMergedBtn.fire(); }); }
+            case F9  -> {
+                if (pressed && input.ctrlHeld) Platform.runLater(() -> {
+                    if (!dualWindowMode && !"content".equals(currentTool)) switchToContentEditor();
+                    if (contentLangBtn != null) contentLangBtn.fire();
+                });
+                else if (pressed && "world".equals(currentTool)) Platform.runLater(() -> { if (wasserMergedBtn != null) wasserMergedBtn.fire(); });
+            }
             case F10 -> { if (pressed && "world".equals(currentTool)) Platform.runLater(() -> { if (wegeBtn         != null) wegeBtn.fire();         }); }
             case F11 -> { if (pressed && "world".equals(currentTool)) Platform.runLater(() -> { if (zonenBtn       != null) zonenBtn.fire();       }); }
             case F12 -> { if (pressed && !input.ctrlHeld && "world".equals(currentTool)) Platform.runLater(() -> { if (playToolBtn != null) playToolBtn.fire(); }); }
@@ -12959,10 +12965,12 @@ public class EditorApp extends Application {
         contentCraftingBtn = new ToggleButton("# Crafting");
         contentAreaBtn     = new ToggleButton("□ Area");
         contentLocationBtn = new ToggleButton("^ Location");
+        contentLangBtn     = new ToggleButton("≈ Lang");
 
         String bold = "-fx-font-weight:bold;";
         for (ToggleButton b : new ToggleButton[]{contentCharBtn, contentQuestBtn, contentFraktionBtn,
-                contentItemBtn, contentRezeptBtn, contentCraftingBtn, contentAreaBtn, contentLocationBtn}) {
+                contentItemBtn, contentRezeptBtn, contentCraftingBtn, contentAreaBtn, contentLocationBtn,
+                contentLangBtn}) {
             b.setStyle(bold);
         }
 
@@ -12975,6 +12983,7 @@ public class EditorApp extends Application {
         contentCraftingBtn.setToggleGroup(cg);
         contentAreaBtn.setToggleGroup(cg);
         contentLocationBtn.setToggleGroup(cg);
+        contentLangBtn.setToggleGroup(cg);
 
         contentCharBtn.setOnAction(e -> {
             contentLastSection = "character"; buildCharacterViewInContent();
@@ -13000,6 +13009,9 @@ public class EditorApp extends Application {
         contentLocationBtn.setOnAction(e -> {
             contentLastSection = "location"; buildLocationViewInContent();
         });
+        contentLangBtn.setOnAction(e -> {
+            contentLastSection = "lang"; buildLocalizationViewInContent();
+        });
 
         ToolBar tb = new ToolBar();
         tb.getItems().addAll(
@@ -13008,7 +13020,8 @@ public class EditorApp extends Application {
                 new Separator(Orientation.VERTICAL), contentFraktionBtn,
                 new Separator(Orientation.VERTICAL), contentItemBtn,
                 new Separator(Orientation.VERTICAL), contentRezeptBtn, contentCraftingBtn,
-                new Separator(Orientation.VERTICAL), contentAreaBtn, contentLocationBtn);
+                new Separator(Orientation.VERTICAL), contentAreaBtn, contentLocationBtn,
+                new Separator(Orientation.VERTICAL), contentLangBtn);
         if (includeWeltBtn) {
             Button weltBtn = new Button("< Welt");
             weltBtn.setStyle("-fx-font-weight:bold;");
@@ -13443,6 +13456,7 @@ public class EditorApp extends Application {
             case "crafting"  -> contentCraftingBtn.fire();
             case "area"      -> contentAreaBtn.fire();
             case "location"  -> contentLocationBtn.fire();
+            case "lang"      -> contentLangBtn.fire();
         }
     }
 
@@ -13574,6 +13588,15 @@ public class EditorApp extends Application {
         if (contentLocationNode != null) contentLocationNode.setExpanded(true);
     }
 
+    private void buildLocalizationViewInContent() {
+        collapseAllContentSections();
+        onF5 = null;
+        contentTarget().setCenter(new de.blight.editor.ui.LocalizationEditorView(
+                de.blight.editor.ProjectRoot.resolve("blight-lang", "src", "main", "resources", "lang")));
+        contentTarget().setRight(null);
+        contentTarget().setBottom(null);
+    }
+
     // ── Baum-Refresh-Methoden ─────────────────────────────────────────────────
 
     private void refreshContentQuestTree() {
diff --git a/blight-editor/src/main/java/de/blight/editor/ui/LocalizationEditorView.java b/blight-editor/src/main/java/de/blight/editor/ui/LocalizationEditorView.java
index bc51be8..cadfe1b 100644
--- a/blight-editor/src/main/java/de/blight/editor/ui/LocalizationEditorView.java
+++ b/blight-editor/src/main/java/de/blight/editor/ui/LocalizationEditorView.java
@@ -8,7 +8,6 @@ import de.blight.common.model.TextKeyStore;
 import de.blight.common.model.TextRegistry;
 import de.blight.editor.ProjectRoot;
 import javafx.animation.PauseTransition;
-import javafx.beans.property.SimpleStringProperty;
 import javafx.collections.FXCollections;
 import javafx.collections.ObservableList;
 import javafx.collections.transformation.FilteredList;
@@ -24,6 +23,7 @@ import java.io.File;
 import java.io.IOException;
 import java.nio.file.Path;
 import java.util.*;
+import java.util.stream.Collectors;
 
 public class LocalizationEditorView extends BorderPane {
 
@@ -33,10 +33,14 @@ public class LocalizationEditorView extends BorderPane {
     private final ComboBox<String> langCombo = new ComboBox<>();
 
     // Text-Tab
-    private final ObservableList<String[]> tableData = FXCollections.observableArrayList();
-    private final TableView<String[]>      table     = new TableView<>(tableData);
+    private final ObservableList<String[]> tableData    = FXCollections.observableArrayList();
+    private final FilteredList<String[]>   filteredData = new FilteredList<>(tableData, s -> true);
+    private final TableView<String[]>      table        = new TableView<>(filteredData);
     private TextBundle currentBundle = null;
 
+    // Cache bekannter Keys für Row-Highlighting (aktualisiert in loadLanguage)
+    private Set<String> knownKeys = new HashSet<>();
+
     // Audio-Tab
     private final ObservableList<String[]> audioData  = FXCollections.observableArrayList();
     private final TableView<String[]>      audioTable = new TableView<>(audioData);
@@ -59,7 +63,7 @@ public class LocalizationEditorView extends BorderPane {
         Label langLbl = new Label("Sprache:");
         langLbl.setStyle("-fx-text-fill: #aaa;");
         langCombo.setPrefWidth(120);
-        langCombo.setOnAction(e -> loadLanguage(langCombo.getValue()));
+        langCombo.valueProperty().addListener((obs, o, n) -> loadLanguage(n));
 
         Button addLangBtn = new Button("+ Sprache");
         addLangBtn.setOnAction(e -> addLanguage());
@@ -87,43 +91,87 @@ public class LocalizationEditorView extends BorderPane {
     // Text-Tab
 
     private VBox buildTextTabContent() {
-        Button addKeyBtn = new Button("+ Schluessel");
+        // ── Filter ────────────────────────────────────────────────────────────
+        TextField filterField = new TextField();
+        filterField.setPromptText("Filtern (Schlüssel oder Text)…");
+        filterField.setStyle("-fx-background-color: #252535; -fx-text-fill: #ddd; -fx-prompt-text-fill: #666;" +
+                "-fx-border-color: #444; -fx-border-width: 1; -fx-background-radius: 3; -fx-border-radius: 3;");
+        filterField.textProperty().addListener((obs, o, n) -> {
+            String q = n == null ? "" : n.toLowerCase();
+            filteredData.setPredicate(row ->
+                    q.isBlank()
+                    || row[0].toLowerCase().contains(q)
+                    || row[1].toLowerCase().contains(q));
+        });
+
+        HBox filterBar = new HBox(6, new Label("  "), filterField);
+        HBox.setHgrow(filterField, Priority.ALWAYS);
+        filterBar.setPadding(new Insets(5, 12, 5, 12));
+        filterBar.setAlignment(Pos.CENTER_LEFT);
+        filterBar.setStyle("-fx-background-color: #1a1a2a; -fx-border-color: #444; -fx-border-width: 0 0 1 0;");
+        Label filterLbl = new Label("Filter:");
+        filterLbl.setStyle("-fx-text-fill: #aaa;");
+        filterBar.getChildren().set(0, filterLbl);
+
+        // ── Button-Leiste ─────────────────────────────────────────────────────
+        Button addKeyBtn = new Button("+ Schlüssel");
         addKeyBtn.setOnAction(e -> addKey());
 
         Button delKeyBtn = new Button("- Entfernen");
         delKeyBtn.setOnAction(e -> deleteKey());
 
-        Button sortBtn = new Button("A->Z");
+        Button sortBtn = new Button("A→Z");
         sortBtn.setOnAction(e -> tableData.sort(Comparator.comparing(r -> r[0])));
 
-        HBox subBar = new HBox(6, addKeyBtn, delKeyBtn, sortBtn);
+        Button fillBtn = new Button("Fehlende ergänzen");
+        fillBtn.setStyle("-fx-background-color: #2a4a2a; -fx-text-fill: #ccffcc;");
+        fillBtn.setOnAction(e -> fillMissingKeys());
+
+        HBox subBar = new HBox(6, addKeyBtn, delKeyBtn, sortBtn, new Separator(), fillBtn);
         subBar.setPadding(new Insets(6, 12, 6, 12));
+        subBar.setAlignment(Pos.CENTER_LEFT);
         subBar.setStyle("-fx-background-color: #1a1a2a; -fx-border-color: #444; -fx-border-width: 0 0 1 0;");
 
+        // ── Tabelle ───────────────────────────────────────────────────────────
         table.setEditable(true);
         table.setStyle("-fx-background-color: #1a1a2a; -fx-control-inner-background: #1a1a2a;");
         @SuppressWarnings("deprecation")
         var policy = TableView.CONSTRAINED_RESIZE_POLICY;
         table.setColumnResizePolicy(policy);
 
-        TableColumn<String[], String> keyCol = new TableColumn<>("Schluessel");
-        keyCol.setCellValueFactory(cd -> new SimpleStringProperty(cd.getValue()[0]));
-        keyCol.setCellFactory(TextFieldTableCell.forTableColumn());
-        keyCol.setOnEditCommit(e -> { e.getRowValue()[0] = e.getNewValue().trim(); table.refresh(); scheduleSave(); });
+        // Schlüssel: read-only
+        TableColumn<String[], String> keyCol = new TableColumn<>("Schlüssel");
+        keyCol.setCellValueFactory(cd -> new javafx.beans.property.SimpleStringProperty(cd.getValue()[0]));
+        keyCol.setEditable(false);
         keyCol.setPrefWidth(280);
 
+        // Text: editierbar
         TableColumn<String[], String> valCol = new TableColumn<>("Text");
-        valCol.setCellValueFactory(cd -> new SimpleStringProperty(cd.getValue()[1]));
+        valCol.setCellValueFactory(cd -> new javafx.beans.property.SimpleStringProperty(cd.getValue()[1]));
         valCol.setCellFactory(TextFieldTableCell.forTableColumn());
         valCol.setOnEditCommit(e -> { e.getRowValue()[1] = e.getNewValue(); table.refresh(); scheduleSave(); });
 
         table.getColumns().addAll(List.of(keyCol, valCol));
+
+        // Row-Factory: unbekannte Schlüssel orange hervorheben
+        table.setRowFactory(tv -> new TableRow<>() {
+            @Override
+            protected void updateItem(String[] item, boolean empty) {
+                super.updateItem(item, empty);
+                if (empty || item == null || item[0].isBlank()) {
+                    setStyle("");
+                } else {
+                    setStyle(knownKeys.contains(item[0]) ? "" : "-fx-background-color: #3a2510;");
+                }
+            }
+        });
+
         VBox.setVgrow(table, Priority.ALWAYS);
 
-        Label hint = new Label("Doppelklick zum Bearbeiten eines Eintrags.");
+        Label hint = new Label("Schlüssel (orange = nicht in TextKeyStore registriert). Doppelklick auf Text zum Bearbeiten.");
         hint.setStyle("-fx-font-size: 10; -fx-text-fill: #666; -fx-padding: 2 12 4 12;");
 
-        VBox box = new VBox(subBar, table, hint);
+        VBox box = new VBox(filterBar, subBar, table, hint);
         VBox.setVgrow(table, Priority.ALWAYS);
         return box;
     }
@@ -131,16 +179,16 @@ public class LocalizationEditorView extends BorderPane {
     // Audio-Tab
 
     private VBox buildAudioTabContent() {
-        Button addKeyBtn = new Button("+ Schluessel");
+        Button addKeyBtn = new Button("+ Schlüssel");
         addKeyBtn.setOnAction(e -> addAudioKey());
 
         Button delKeyBtn = new Button("- Entfernen");
         delKeyBtn.setOnAction(e -> deleteAudioKey());
 
-        Button sortBtn = new Button("A->Z");
+        Button sortBtn = new Button("A→Z");
         sortBtn.setOnAction(e -> audioData.sort(Comparator.comparing(r -> r[0])));
 
-        Button fillDialogBtn = new Button("Dialog-Schluessel befuellen");
+        Button fillDialogBtn = new Button("Dialog-Schlüssel befüllen");
         fillDialogBtn.setStyle("-fx-background-color: #3a4a6a; -fx-text-fill: white;");
         fillDialogBtn.setOnAction(e -> autoFillDialogKeys());
 
@@ -154,14 +202,14 @@ public class LocalizationEditorView extends BorderPane {
         var policy2 = TableView.CONSTRAINED_RESIZE_POLICY;
         audioTable.setColumnResizePolicy(policy2);
 
-        TableColumn<String[], String> keyCol = new TableColumn<>("Schluessel");
-        keyCol.setCellValueFactory(cd -> new SimpleStringProperty(cd.getValue()[0]));
+        TableColumn<String[], String> keyCol = new TableColumn<>("Schlüssel");
+        keyCol.setCellValueFactory(cd -> new javafx.beans.property.SimpleStringProperty(cd.getValue()[0]));
         keyCol.setCellFactory(TextFieldTableCell.forTableColumn());
         keyCol.setOnEditCommit(e -> { e.getRowValue()[0] = e.getNewValue().trim(); audioTable.refresh(); scheduleSave(); });
         keyCol.setPrefWidth(220);
 
         TableColumn<String[], String> pathCol = new TableColumn<>("Datei");
-        pathCol.setCellValueFactory(cd -> new SimpleStringProperty(cd.getValue()[1]));
+        pathCol.setCellValueFactory(cd -> new javafx.beans.property.SimpleStringProperty(cd.getValue()[1]));
         pathCol.setCellFactory(TextFieldTableCell.forTableColumn());
         pathCol.setOnEditCommit(e -> { e.getRowValue()[1] = e.getNewValue(); audioTable.refresh(); scheduleSave(); });
 
@@ -177,7 +225,7 @@ public class LocalizationEditorView extends BorderPane {
                     int idx = getIndex();
                     if (idx < 0 || idx >= audioData.size()) return;
                     FileChooser fc = new FileChooser();
-                    fc.setTitle("Audio-Datei waehlen");
+                    fc.setTitle("Audio-Datei wählen");
                     fc.getExtensionFilters().addAll(
                         new FileChooser.ExtensionFilter("Audio", "*.ogg", "*.wav", "*.mp3"),
                         new FileChooser.ExtensionFilter("Alle Dateien", "*.*")
@@ -211,7 +259,7 @@ public class LocalizationEditorView extends BorderPane {
         audioTable.getColumns().addAll(List.of(keyCol, pathCol, browseCol));
         VBox.setVgrow(audioTable, Priority.ALWAYS);
 
-        Label hint = new Label("Schluessel muss dem AudioReference-Key im Dialog entsprechen.");
+        Label hint = new Label("Schlüssel muss dem AudioReference-Key im Dialog entsprechen.");
         hint.setStyle("-fx-font-size: 10; -fx-text-fill: #666; -fx-padding: 2 12 4 12;");
 
         VBox box = new VBox(subBar, audioTable, hint);
@@ -243,6 +291,9 @@ public class LocalizationEditorView extends BorderPane {
         }
         tableData.clear();
         currentBundle.getEntries().forEach((k, v) -> tableData.add(new String[]{k, v}));
+
+        knownKeys = new HashSet<>(TextKeyStore.getKeys());
+
         TextRegistry.clear();
         TextRegistry.registerAll(currentBundle.getEntries());
 
@@ -254,7 +305,7 @@ public class LocalizationEditorView extends BorderPane {
     private void addLanguage() {
         TextInputDialog dlg = new TextInputDialog();
         dlg.initOwner(Dialogs.primaryWindow());
-        dlg.setTitle("Sprache hinzufuegen");
+        dlg.setTitle("Sprache hinzufügen");
         dlg.setHeaderText("Sprach-Code (z. B. de, en, fr):");
         dlg.showAndWait().ifPresent(lang -> {
             lang = lang.trim().toLowerCase();
@@ -274,7 +325,7 @@ public class LocalizationEditorView extends BorderPane {
         String lang = langCombo.getValue();
         if (lang == null) return;
         Alert confirm = Dialogs.alert(Alert.AlertType.CONFIRMATION,
-                "Sprache '" + lang + "' wirklich loeschen?", ButtonType.YES, ButtonType.NO);
+                "Sprache '" + lang + "' wirklich löschen?", ButtonType.YES, ButtonType.NO);
         confirm.showAndWait().ifPresent(bt -> {
             if (bt == ButtonType.YES) {
                 try {
@@ -296,23 +347,25 @@ public class LocalizationEditorView extends BorderPane {
 
     private void addKey() {
         if (currentBundle == null) return;
-        Set<String> existing = currentBundle.getEntries().keySet();
-        List<String> available = new ArrayList<>(TextKeyStore.getKeys());
-        available.removeAll(existing);
+        Set<String> existing = new HashSet<>();
+        for (String[] row : tableData) existing.add(row[0]);
+        List<String> available = TextKeyStore.getKeys().stream()
+                .filter(k -> !existing.contains(k))
+                .collect(Collectors.toList());
 
         if (available.isEmpty()) {
             TextInputDialog dlg = new TextInputDialog();
             dlg.initOwner(Dialogs.primaryWindow());
-            dlg.setTitle("Schluessel hinzufuegen");
-            dlg.setHeaderText("Alle bekannten Schluessel bereits vorhanden.\nNeuen Schluessel eingeben:");
+            dlg.setTitle("Schlüssel hinzufügen");
+            dlg.setHeaderText("Alle bekannten Schlüssel bereits vorhanden.\nNeuen Schlüssel eingeben:");
             dlg.showAndWait().map(String::trim).filter(s -> !s.isBlank()).ifPresent(this::insertKey);
             return;
         }
 
         Dialog<String> dlg = new Dialog<>();
         dlg.initOwner(Dialogs.primaryWindow());
-        dlg.setTitle("Schluessel waehlen");
-        dlg.setHeaderText("Noch nicht uebersetzte Schluessel:");
+        dlg.setTitle("Schlüssel wählen");
+        dlg.setHeaderText("Noch nicht übersetzte Schlüssel:");
         dlg.getDialogPane().getButtonTypes().addAll(ButtonType.OK, ButtonType.CANCEL);
 
         ObservableList<String> items = FXCollections.observableArrayList(available);
@@ -335,8 +388,14 @@ public class LocalizationEditorView extends BorderPane {
 
     private void insertKey(String key) {
         tableData.add(new String[]{key, ""});
-        table.scrollTo(tableData.size() - 1);
-        table.getSelectionModel().select(tableData.size() - 1);
+        // Scroll zum neuen Eintrag — in filteredData nach Index suchen
+        for (int i = 0; i < filteredData.size(); i++) {
+            if (filteredData.get(i)[0].equals(key)) {
+                table.scrollTo(i);
+                table.getSelectionModel().select(i);
+                break;
+            }
+        }
         scheduleSave();
     }
 
@@ -345,13 +404,36 @@ public class LocalizationEditorView extends BorderPane {
         if (sel != null) { tableData.remove(sel); scheduleSave(); }
     }
 
+    private void fillMissingKeys() {
+        Set<String> existing = new HashSet<>();
+        for (String[] row : tableData) existing.add(row[0]);
+
+        List<String> toAdd = TextKeyStore.getKeys().stream()
+                .filter(k -> !existing.contains(k))
+                .sorted()
+                .collect(Collectors.toList());
+
+        for (String k : toAdd) tableData.add(new String[]{k, ""});
+        if (!toAdd.isEmpty()) {
+            tableData.sort(Comparator.comparing(r -> r[0]));
+            knownKeys = new HashSet<>(TextKeyStore.getKeys());
+            scheduleSave();
+        }
+
+        Dialogs.alert(Alert.AlertType.INFORMATION,
+                toAdd.isEmpty()
+                    ? "Alle bekannten Schlüssel sind bereits vorhanden."
+                    : toAdd.size() + " Schlüssel ergänzt.",
+                ButtonType.OK).showAndWait();
+    }
+
     // Audio-Eintrags-Verwaltung
 
     private void addAudioKey() {
         TextInputDialog dlg = new TextInputDialog();
         dlg.initOwner(Dialogs.primaryWindow());
-        dlg.setTitle("Audio-Schluessel hinzufuegen");
-        dlg.setHeaderText("Schluessel eingeben (muss dem AudioReference-Key im Dialog entsprechen):");
+        dlg.setTitle("Audio-Schlüssel hinzufügen");
+        dlg.setHeaderText("Schlüssel eingeben (muss dem AudioReference-Key im Dialog entsprechen):");
         dlg.showAndWait().map(String::trim).filter(s -> !s.isBlank()).ifPresent(key -> {
             audioData.add(new String[]{key, ""});
             audioTable.scrollTo(audioData.size() - 1);
@@ -382,8 +464,8 @@ public class LocalizationEditorView extends BorderPane {
             scheduleSave();
         }
         Dialogs.alert(Alert.AlertType.INFORMATION,
-                added.isEmpty() ? "Alle Dialog-Schluessel bereits vorhanden."
-                        : added.size() + " Schluessel hinzugefuegt.",
+                added.isEmpty() ? "Alle Dialog-Schlüssel bereits vorhanden."
+                        : added.size() + " Schlüssel hinzugefügt.",
                 ButtonType.OK).showAndWait();
     }
 
@@ -407,7 +489,7 @@ public class LocalizationEditorView extends BorderPane {
 
     private void saveCurrent() {
         if (currentBundle == null) {
-            Dialogs.alert(Alert.AlertType.WARNING, "Keine Sprache ausgewaehlt.", ButtonType.OK).showAndWait();
+            Dialogs.alert(Alert.AlertType.WARNING, "Keine Sprache ausgewählt.", ButtonType.OK).showAndWait();
             return;
         }
         Map<String, String> textEntries = new LinkedHashMap<>();