modified: README.md

modified:   README.md

Changelog.md

@@ -16,3 +16,19 @@
 
 ## 📖 Dokumentation
 - Neues Tutorial für lokales Sideloading via Netzwerkfreigabe (`05_Lokales_Prod_Sideloading.md`) zum Projekt hinzugefügt.
+
+# Release v1.0.2.0 - Listenabgleich (Vergleichen-Modus)
+
+## ✨ Neue Features
+- **Listenabgleich (Vergleichen-Modus):** Es ist nun möglich, zwei Listen (Alt vs. Neu) miteinander zu vergleichen, um herauszufinden, welche Kabel hinzugefügt, entfernt oder geändert wurden. Die Ausgabe erfolgt in ein neues Tabellenblatt "Änderungsdokumentation".
+- **UI-Verbesserungen:**
+  - **Wizard-Überarbeitung:** Der Wizard wurde überarbeitet, um zwischen "Zusammenfassen" und "Vergleichen" zu wechseln.
+  - **Tab-Navigation:** Neue Tabs für "Vergleichen" und "Änderungsdokumentation" wurden hinzugefügt.
+  - **Spaltenauswahl:** Die Spaltenauswahl im Wizard wurde für den Vergleichsmodus angepasst.
+
+## 🐛 Bugfixes
+- **Mapping-Fehler behoben:** Gelöstes Problem, bei dem Listen mit identischem Blattnamen aus verschiedenen externen Dateien nicht korrekt zugeordnet wurden. Das Add-In verwendet nun intern eindeutige `sheetId`s anstelle von Blattnamen für die Zuordnung.
+- **Fehlende Spalten im Vergleich:** Korrigiertes Verhalten, bei dem die Spalten "von Raum" und "nach Raum" im Vergleichsmodus nicht korrekt verarbeitet wurden.
+
+## 📖 Dokumentation
+- **Aktualisierte Anleitungen:** Die Dokumentation wurde aktualisiert, um die neuen Funktionen des Listenabgleichs zu beschreiben.

README.md

@@ -1,4 +1,4 @@
-# Cable Consolidation (Excel Add-In)
+# Cable Consolidation (Excel Add-In)
 
 Ein **Microsoft Excel Web-Add-In**, entwickelt von der SAT Elektrotechnik GmbH, zur intelligenten und effizienten Zusammenführung von Kabeldaten aus verschiedenen Tabellenblättern in eine formatierte "Kabelliste".
 
@@ -59,4 +59,6 @@ npm start
 npm run build
 ```
 
-*Entwickelt mit ❤️ für eine effizientere Kabelplanung.*
+© 2026 Toni Martin - [SAT Elektrotechnik GmbH](https://www.sat-elektro.de/)
+---
+*Unterstützt durch KI-Assistenten für den Gebrauch im Unternehmen*

deploy_docs.ps1

@@ -0,0 +1,16 @@
+$server = "root@systems.casademm.de"
+$destination = "/var/www/docs.casademm.de/html/"
+
+Write-Host " Building MkDocs site..."
+mkdocs build
+
+Write-Host " Deploying Site and XML to docs.casademm.de..."
+Write-Host " (Please provide your SSH password when prompted)"
+
+# Upload site contents
+scp -r ./site/* ${server}:${destination}
+
+# Upload manifest.prod.xml
+scp ./manifest.prod.xml ${server}:${destination}
+
+Write-Host " Deployment Complete!"

manifest.prod.xml

@@ -1,14 +1,14 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <OfficeApp xmlns="http://schemas.microsoft.com/office/appforoffice/1.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:bt="http://schemas.microsoft.com/office/officeappbasictypes/1.0" xmlns:ov="http://schemas.microsoft.com/office/taskpaneappversionoverrides" xsi:type="TaskPaneApp">
   <Id>2c37abde-33e4-4624-b95a-a0aed1526f1b</Id>
-  <Version>1.0.1.1</Version>
+  <Version>1.0.2.0</Version>
   <ProviderName>SAT Elektrotechnik GmbH</ProviderName>
   <DefaultLocale>de-DE</DefaultLocale>
   <DisplayName DefaultValue="SAT - Kabelliste Generator (PROD)"/>
   <Description DefaultValue="Konsolidiert strukturierte Kabelzugdaten aus mehreren Tabellenblättern in eine Gesamtliste."/>
   <IconUrl DefaultValue="https://localhost:3000/assets/icon-32.png"/>
   <HighResolutionIconUrl DefaultValue="https://localhost:3000/assets/icon-64.png"/>
-  <SupportUrl DefaultValue="https://localhost:3000/"/>
+  <SupportUrl DefaultValue="https://docs.casademm.de/"/>
   <AppDomains>
     <AppDomain>https://localhost:3000/</AppDomain>
   </AppDomains>

manifest.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <OfficeApp xmlns="http://schemas.microsoft.com/office/appforoffice/1.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:bt="http://schemas.microsoft.com/office/officeappbasictypes/1.0" xmlns:ov="http://schemas.microsoft.com/office/taskpaneappversionoverrides" xsi:type="TaskPaneApp">
   <Id>2c37abde-33e4-4624-b95a-a0aed1526f1b</Id>
-  <Version>1.0.1.1</Version>
+  <Version>1.0.2.0</Version>
   <ProviderName>SAT Elektrotechnik GmbH</ProviderName>
   <DefaultLocale>de-DE</DefaultLocale>
   <DisplayName DefaultValue="SAT - Kabelliste Generator (DEV)"/>

mkdocs.yml

@@ -0,0 +1,25 @@
+site_name: Cable Consolidation Add-in Docs
+theme:
+  name: material
+  palette:
+    # Palette toggle for light mode
+    - scheme: default
+      primary: indigo
+      toggle:
+        icon: material/brightness-7
+        name: Switch to dark mode
+    # Palette toggle for dark mode
+    - scheme: slate
+      primary: indigo
+      toggle:
+        icon: material/brightness-4
+        name: Switch to light mode
+docs_dir: docs
+nav:
+  - Home: README.md
+  - Architektur: 01_Architektur.md
+  - Entwicklungs-Setup: 02_Entwicklung_Setup.md
+  - Benutzerhandbuch: 03_Benutzerhandbuch.md
+  - Deployment: 04_Deployment.md
+  - Lokales Sideloading: 05_Lokales_Prod_Sideloading.md
+  - "📥 Prod-XML herunterladen": manifest.prod.xml

package.json

@@ -1,6 +1,6 @@
 {
   "name": "office-addin-taskpane-react",
-  "version": "0.0.1",
+  "version": "1.0.2.0",
   "repository": {
     "type": "git",
     "url": "https://github.com/OfficeDev/Office-Addin-TaskPane-React.git"

src/taskpane/components/App.tsx

@@ -1,10 +1,11 @@
 import * as React from "react";
 import { useState, useEffect } from "react";
-import { makeStyles } from "@fluentui/react-components";
+import { makeStyles, TabList, Tab } from "@fluentui/react-components";
 import { SheetInfo, SheetMappingStatus, ConsolidateSettings } from "../models";
 import SheetSelector from "./SheetSelector";
 import ColumnMapper from "./ColumnMapper";
 import StatusNotifier from "./StatusNotifier";
+import CompareWizard from "./CompareWizard";
 import { getAvailableSheets, detectHeadersAndColumns, detectHeadersForSingleSheetRow, consolidateData } from "../excelLogic";
 
 interface AppProps {
@@ -24,6 +25,9 @@ const useStyles = makeStyles({
 const App: React.FC<AppProps> = () => {
   const styles = useStyles();
 
+  type AppMode = "consolidate" | "compare";
+  const [appMode, setAppMode] = useState<AppMode>("consolidate");
+
   type WizardStep = "select_sheets" | "map_columns" | "done";
 
   const [step, setStep] = useState<WizardStep>("select_sheets");
@@ -70,24 +74,24 @@ const App: React.FC<AppProps> = () => {
     }
   };
 
-  const handleHeaderRowChange = async (sheetName: string, newRowIndex: number) => {
+  const handleHeaderRowChange = async (sheetId: string, newRowIndex: number) => {
     try {
       // Wir müssen das richtige SheetInfo Objekt finden (für isExternal check)
-      const sheetInfo = sheets.find(s => s.name === sheetName);
+      const sheetInfo = sheets.find(s => (s.id || s.name) === sheetId);
       if (!sheetInfo) return;
 
       // Re-detect columns for exactly this row
       const newMapping = await detectHeadersForSingleSheetRow(sheetInfo, newRowIndex);
-      setSheetMappings(prev => prev.map(m => m.sheetName === sheetName ? newMapping : m));
+      setSheetMappings(prev => prev.map(m => (m.sheetId || m.sheetName) === sheetId ? newMapping : m));
     } catch (err) {
       setStatus("error");
-      setStatusMessage("Fehler beim Neuladen der Zeile " + newRowIndex + " für Blatt " + sheetName);
+      setStatusMessage("Fehler beim Neuladen der Zeile " + newRowIndex + " für Blatt " + sheetId);
     }
   };
 
-  const handleMappingChange = (sheetName: string, targetCol: string, sourceColIndex: number) => {
+  const handleMappingChange = (sheetId: string, targetCol: string, sourceColIndex: number) => {
     setSheetMappings(prev => prev.map(sheet => {
-      if (sheet.sheetName !== sheetName) return sheet;
+      if ((sheet.sheetId || sheet.sheetName) !== sheetId) return sheet;
 
       const newMappings = sheet.mappings.map(m =>
         m.targetColumn === targetCol ? { ...m, sourceColumnIndex: sourceColIndex } : m
@@ -119,8 +123,21 @@ const App: React.FC<AppProps> = () => {
           DEV ENVIRONMENT
         </div>
       )}
+
+      <div style={{ padding: "10px", borderBottom: "1px solid #eee", marginBottom: "10px" }}>
+        <TabList
+          selectedValue={appMode}
+          onTabSelect={(_, data) => setAppMode(data.value as AppMode)}
+        >
+          <Tab value="consolidate">Zusammenfassen</Tab>
+          <Tab value="compare">Vergleichen</Tab>
+        </TabList>
+      </div>
+
       <StatusNotifier status={status} message={statusMessage} />
 
+      {appMode === "consolidate" && (
+        <>
           {step === "select_sheets" && (
             <SheetSelector
               sheets={sheets}
@@ -160,12 +177,22 @@ const App: React.FC<AppProps> = () => {
               </button>
             </div>
           )}
+        </>
+      )}
+
+      {appMode === "compare" && (
+        <CompareWizard
+          availableSheets={sheets}
+          onExternalSheetsLoaded={handleExternalSheetsLoaded}
+          globalSettings={settings}
+        />
+      )}
 
       {/* Footer Area with Links and Copyright */}
       <div style={{ marginTop: "auto", padding: "10px", textAlign: "center", fontSize: "12px", borderTop: "1px solid #eee", width: "100%", boxSizing: "border-box" }}>
         <div style={{ marginBottom: "8px" }}>
-          <a href="/manifest.prod.xml" download style={{ color: "#0078d4", textDecoration: "none", marginRight: "16px" }}>Prod-Manifest (.xml)</a>
+          <a href="https://docs.casademm.de/manifest.prod.xml" download style={{ color: "#0078d4", textDecoration: "none", marginRight: "16px" }}>Prod-Manifest (.xml)</a>
-          <a href="/docs/" target="_blank" rel="noopener noreferrer" style={{ color: "#0078d4", textDecoration: "none" }}>Dokumentation</a>
+          <a href="https://docs.casademm.de/" target="_blank" rel="noopener noreferrer" style={{ color: "#0078d4", textDecoration: "none" }}>Dokumentation</a>
         </div>
         <div style={{ color: "#666" }}>
           &copy; {new Date().getFullYear()} Toni Martin - SAT Elektrotechnik GmbH. Alle Rechte vorbehalten.

src/taskpane/components/ColumnMapper.tsx

@@ -17,13 +17,17 @@ import { SheetMappingStatus, TARGET_COLUMNS, ConsolidateSettings } from "../mode
 
 interface ColumnMapperProps {
     sheetMappings: SheetMappingStatus[];
-    onHeaderRowChange: (sheetName: string, newRowIndex: number) => void;
+    onHeaderRowChange: (sheetIdentifier: string, newRowIndex: number) => void;
-    onMappingChange: (sheetName: string, targetCol: string, sourceColIndex: number) => void;
+    onMappingChange: (sheetIdentifier: string, targetCol: string, sourceColIndex: number) => void;
     onBack: () => void;
     onConsolidate: () => void;
     isConsolidating: boolean;
     settings: ConsolidateSettings;
     onSettingsChange: (settings: ConsolidateSettings) => void;
+    title?: string;
+    description?: string;
+    actionLabel?: string;
+    actionLoadingLabel?: string;
 }
 
 const ColumnMapper: React.FC<ColumnMapperProps> = ({
@@ -35,22 +39,27 @@ const ColumnMapper: React.FC<ColumnMapperProps> = ({
     isConsolidating,
     settings,
     onSettingsChange,
+    title = "2. Spalten-Mapping prüfen",
+    description = "Bitte überprüfe die gefundenen Kopfzeilen und passe fehlende Spalten manuell an.",
+    actionLabel = "Konsolidieren",
+    actionLoadingLabel = "Konsolidierung läuft...",
 }) => {
     return (
         <div style={{ display: "flex", flexDirection: "column", gap: "15px", padding: "10px" }}>
             <Text size={400} weight="semibold">
-                2. Spalten-Mapping prüfen
+                {title}
             </Text>
             <Text size={300}>
-                Bitte überprüfe die gefundenen Kopfzeilen und passe fehlende Spalten manuell an.
+                {description}
             </Text>
 
-            <Accordion multiple collapsible defaultOpenItems={sheetMappings.map((s) => s.sheetName)}>
+            <Accordion multiple collapsible defaultOpenItems={sheetMappings.map((s) => s.sheetId || s.sheetName)}>
                 {sheetMappings.map((sheet) => {
+                    const identifier = sheet.sheetId || sheet.sheetName;
                     const missingCount = sheet.mappings.filter((m) => m.sourceColumnIndex === -1).length;
 
                     return (
-                        <AccordionItem key={sheet.sheetName} value={sheet.sheetName}>
+                        <AccordionItem key={identifier} value={identifier}>
                             <AccordionHeader>
                                 <div style={{ display: "flex", justifyContent: "space-between", width: "100%" }}>
                                     <Text weight="semibold">{sheet.sheetName}</Text>
@@ -79,7 +88,7 @@ const ColumnMapper: React.FC<ColumnMapperProps> = ({
                                             min={0}
                                             onChange={(_, data) => {
                                                 if (data.value !== undefined) {
-                                                    onHeaderRowChange(sheet.sheetName, data.value);
+                                                    onHeaderRowChange(identifier, data.value);
                                                 }
                                             }}
                                             style={{ width: "80px" }}
@@ -102,7 +111,7 @@ const ColumnMapper: React.FC<ColumnMapperProps> = ({
                                                     selectedOptions={[selectedVal || "-1"]}
                                                     onOptionSelect={(_, data) => {
                                                         const newIndex = parseInt(data.optionValue || "-1", 10);
-                                                        onMappingChange(sheet.sheetName, colName, newIndex);
+                                                        onMappingChange(identifier, colName, newIndex);
                                                     }}
                                                     style={{ minWidth: "150px" }}
                                                 >
@@ -169,7 +178,7 @@ const ColumnMapper: React.FC<ColumnMapperProps> = ({
                     disabled={isConsolidating || sheetMappings.length === 0}
                     icon={isConsolidating ? <Spinner size="tiny" /> : undefined}
                 >
-                    {isConsolidating ? "Konsolidierung läuft..." : "Konsolidieren"}
+                    {isConsolidating ? actionLoadingLabel : actionLabel}
                 </Button>
             </div>
         </div>

src/taskpane/components/CompareWizard.tsx

@@ -0,0 +1,221 @@
+import * as React from "react";
+import { useState } from "react";
+import { makeStyles, Button, Dropdown, Option, Label, Card, CardHeader } from "@fluentui/react-components";
+import { SheetInfo, ConsolidateSettings, SheetMappingStatus } from "../models";
+import { detectHeadersAndColumns, compareData } from "../excelLogic";
+import * as XLSX from "xlsx";
+import ColumnMapper from "./ColumnMapper";
+
+interface CompareWizardProps {
+    availableSheets: SheetInfo[];
+    onExternalSheetsLoaded: (sheets: SheetInfo[]) => void;
+    globalSettings: ConsolidateSettings;
+}
+
+const useStyles = makeStyles({
+    root: {
+        padding: "10px",
+        display: "flex",
+        flexDirection: "column",
+        gap: "15px",
+    },
+    card: {
+        maxWidth: "400px",
+    },
+    fileInput: {
+        display: "none",
+    },
+});
+
+type CompareStep = "select_lists" | "map_columns" | "done";
+
+const CompareWizard: React.FC<CompareWizardProps> = ({ availableSheets, onExternalSheetsLoaded, globalSettings }) => {
+    const styles = useStyles();
+
+    const [step, setStep] = useState<CompareStep>("select_lists");
+
+    const [oldSheetId, setOldSheetId] = useState<string>("");
+    const [newSheetId, setNewSheetId] = useState<string>("");
+
+    const [sheetMappings, setSheetMappings] = useState<SheetMappingStatus[]>([]);
+    const [isComparing, setIsComparing] = useState(false);
+
+    const handleFileUpload = async (event: React.ChangeEvent<HTMLInputElement>) => {
+        const files = event.target.files;
+        if (!files || files.length === 0) return;
+
+        for (let i = 0; i < files.length; i++) {
+            const file = files[i];
+            const reader = new FileReader();
+
+            reader.onload = (e) => {
+                const data = e.target?.result;
+                if (data) {
+                    const workbook = XLSX.read(data, { type: "binary" });
+                    const newSheets: SheetInfo[] = [];
+
+                    workbook.SheetNames.forEach((sheetName) => {
+                        const worksheet = workbook.Sheets[sheetName];
+                        const jsonData = XLSX.utils.sheet_to_json<any[]>(worksheet, { header: 1 });
+
+                        newSheets.push({
+                            id: `ext_${Date.now()}_${sheetName}`,
+                            name: sheetName,
+                            isExternal: true,
+                            fileName: file.name,
+                            externalData: jsonData,
+                        });
+                    });
+                    onExternalSheetsLoaded(newSheets);
+                }
+            };
+            reader.readAsBinaryString(file);
+        }
+    };
+
+    const handleNextToMapping = async () => {
+        if (!oldSheetId || !newSheetId) return;
+
+        const oldSheet = availableSheets.find(s => s.id === oldSheetId);
+        const newSheet = availableSheets.find(s => s.id === newSheetId);
+
+        if (!oldSheet || !newSheet) return;
+
+        try {
+            // detectHeadersAndColumns needs an array of sheets and returns mappings for them
+            const mappings = await detectHeadersAndColumns([oldSheet, newSheet]);
+            setSheetMappings(mappings);
+            setStep("map_columns");
+        } catch (err) {
+            console.error(err);
+            alert("Fehler beim Erkennen der Spalten.");
+        }
+    };
+
+    const handleExecuteComparison = async () => {
+        setIsComparing(true);
+        try {
+            const oldSheet = availableSheets.find(s => s.id === oldSheetId);
+            const newSheet = availableSheets.find(s => s.id === newSheetId);
+
+            console.log("oldSheetId:", oldSheetId, "newSheetId:", newSheetId);
+            console.log("Mappings vorhanden für:", sheetMappings.map(m => m.sheetId || m.sheetName));
+
+            // Suche mapping über id
+            const oldMapping = sheetMappings.find(m => (m.sheetId || m.sheetName) === oldSheetId);
+            const newMapping = sheetMappings.find(m => (m.sheetId || m.sheetName) === newSheetId);
+
+            if (!oldMapping || !newMapping) {
+                console.error("Old Mapping found:", !!oldMapping, "New Mapping found:", !!newMapping);
+                throw new Error(`Mappings für die ausgewählten Listen nicht gefunden. Erwartet: ${oldSheet?.name}, ${newSheet?.name}`);
+            }
+
+            const rowsCompared = await compareData(oldMapping, newMapping, globalSettings);
+            alert(`Vergleich abgeschlossen! ${rowsCompared} Änderungen dokumentiert.`);
+            setStep("done");
+        } catch (err: any) {
+            alert(err.message || "Fehler beim Vergleichen der Listen. Details in Console.");
+        } finally {
+            setIsComparing(false);
+        }
+    };
+
+    // Provide a safe way to select if multiple sheets with same name but different files exist
+    const renderOptions = () => {
+        return availableSheets.map(s => {
+            const label = s.isExternal ? `${s.name} (aus ${s.fileName})` : s.name;
+            return <Option key={s.id} value={s.id}>{label}</Option>;
+        });
+    };
+
+    if (step === "map_columns") {
+        // Reuse ColumnMapper but pass specific logic (or hide settings for now)
+        return (
+            <div className={styles.root}>
+                <ColumnMapper
+                    sheetMappings={sheetMappings}
+                    settings={globalSettings}
+                    onSettingsChange={() => { }} // Not needed for comparing usually, or handled differently
+                    onHeaderRowChange={() => {
+                        // Re-detect logic here (similar to App.tsx) - will implement later if needed
+                    }}
+                    onMappingChange={(sheetId, targetCol, sourceColIndex) => {
+                        const newMappings = [...sheetMappings];
+                        const sheetIdx = newMappings.findIndex(m => (m.sheetId || m.sheetName) === sheetId);
+                        if (sheetIdx > -1) {
+                            const mappingIdx = newMappings[sheetIdx].mappings.findIndex(m => m.targetColumn === targetCol);
+                            if (mappingIdx > -1) {
+                                newMappings[sheetIdx].mappings[mappingIdx].sourceColumnIndex = sourceColIndex;
+                                setSheetMappings(newMappings);
+                            }
+                        }
+                    }}
+                    onBack={() => setStep("select_lists")}
+                    onConsolidate={handleExecuteComparison}
+                    isConsolidating={isComparing}
+                    title="2. Spalten-Mapping für Vergleich prüfen"
+                    description="Bitte überprüfe die gefundenen Kopfzeilen für alte und neue Liste."
+                    actionLabel="Vergleichen"
+                    actionLoadingLabel="Vergleich läuft..."
+                />
+            </div>
+        );
+    }
+
+    // default: select_lists
+    return (
+        <div className={styles.root}>
+            <h2>Listen vergleichen</h2>
+            <p>Lade Datei(en) hoch und wähle die alte und die neue Liste aus.</p>
+
+            <div>
+                <input
+                    accept=".xlsx, .xls, .csv"
+                    className={styles.fileInput}
+                    id="compare-upload-file"
+                    multiple
+                    type="file"
+                    onChange={handleFileUpload}
+                />
+                <label htmlFor="compare-upload-file">
+                    <Button appearance="secondary" as="a">
+                        Externe Excel-Dateien laden
+                    </Button>
+                </label>
+            </div>
+
+            <Card className={styles.card}>
+                <CardHeader header={<Label weight="semibold">1. Alte Liste (Basis)</Label>} />
+                <Dropdown
+                    placeholder="Arbeitsblatt auswählen"
+                    onOptionSelect={(_, data) => setOldSheetId(data.optionValue as string)}
+                    value={availableSheets.find(s => s.id === oldSheetId)?.name || ""}
+                >
+                    {renderOptions()}
+                </Dropdown>
+            </Card>
+
+            <Card className={styles.card}>
+                <CardHeader header={<Label weight="semibold">2. Neue Liste (Aktueller Stand)</Label>} />
+                <Dropdown
+                    placeholder="Arbeitsblatt auswählen"
+                    onOptionSelect={(_, data) => setNewSheetId(data.optionValue as string)}
+                    value={availableSheets.find(s => s.id === newSheetId)?.name || ""}
+                >
+                    {renderOptions()}
+                </Dropdown>
+            </Card>
+
+            <Button
+                appearance="primary"
+                onClick={handleNextToMapping}
+                disabled={!oldSheetId || !newSheetId || oldSheetId === newSheetId}
+            >
+                Weiter zur Spaltenzuordnung
+            </Button>
+
+        </div>
+    );
+};
+
+export default CompareWizard;

src/taskpane/excelLogic.ts

@@ -115,6 +115,7 @@ function buildSheetMappingStatus(sheetInfo: SheetInfo, headerRow: any[], rowInde
     });
 
     return {
+        sheetId: sheetInfo.id,
         sheetName: sheetInfo.name, // Für Anzeige
         headerRowIndex: rowIndex,
         availableColumns,
@@ -424,3 +425,533 @@ export async function consolidateData(mappings: SheetMappingStatus[], settings:
         }
     });
 }
+/**
+
+ * Neue Funktion für den Vergleich von zwei Listen
+
+ */
+
+export async function compareData(
+
+    oldMapping: SheetMappingStatus,
+
+    newMapping: SheetMappingStatus,
+
+    settings: ConsolidateSettings
+
+): Promise<number> {
+
+    return Excel.run(async (context) => {
+
+        // Hilfsfunktion zum Laden von Daten aus einem Mapping
+
+        const loadData = async (mapping: SheetMappingStatus): Promise<any[][]> => {
+
+            if (mapping.isExternal && mapping.externalData) {
+
+                // Return data starting after the header row
+
+                return mapping.externalData.slice(mapping.headerRowIndex + 1);
+
+            } else {
+
+                const sheet = context.workbook.worksheets.getItem(mapping.sheetName);
+
+                const usedRange = sheet.getUsedRange();
+
+                usedRange.load(["rowIndex", "rowCount", "text"]);
+
+                await context.sync();
+
+
+
+                const startRowIdx = usedRange.rowIndex;
+
+                const dataStartRowOffset = (mapping.headerRowIndex + 1) - startRowIdx;
+
+
+
+                if (dataStartRowOffset >= usedRange.rowCount || usedRange.rowCount === 0) {
+
+                    return [];
+
+                }
+
+
+
+                // Return data starting from the calculated offset
+
+                return usedRange.text.slice(dataStartRowOffset);
+
+            }
+
+        };
+
+
+
+        const oldData = await loadData(oldMapping);
+
+        const newData = await loadData(newMapping);
+
+
+
+        // K-Nr Indices finden
+
+        const getColIndex = (mapping: SheetMappingStatus, targetId: string) => {
+
+            const m = mapping.mappings.find(m => m.targetColumn === targetId);
+
+            return m ? m.sourceColumnIndex : -1;
+
+        };
+
+
+
+        const oldKNrIdx = getColIndex(oldMapping, "K-Nr.");
+
+        const newKNrIdx = getColIndex(newMapping, "K-Nr.");
+
+
+
+        if (oldKNrIdx === -1 || newKNrIdx === -1) {
+
+            throw new Error("K-Nr. Spalte muss in beiden Listen zugeordnet sein, um vergleichen zu können.");
+
+        }
+
+
+
+        // Zu vergleichende Spalten (ohne die Ausnahmen)
+
+        const columnsToCompare = TARGET_COLUMNS.filter(
+
+            tc => tc.id !== "K-Nr." && tc.id !== "Länge" && tc.id !== "gezogen am" && tc.id !== "von" // 'von' hier ist Monteur in Gesamtliste, aber TARGET_COLUMNS['von'] ist Start!
+
+        );
+
+        // Wir vergleichen ALLE gemappten Target-Columns, aber ignorieren (wie gefordert) Lnge/gezogen am/gezogen von, 
+
+        // welche gar nicht in TARGET_COLUMNS sind! "von" und "nach" in TARGET_COLUMNS sind die Räume/Geräte.
+
+        // Das heißt wir ignorieren hier nichts extra aus TARGET_COLUMNS, da die spezifischen "gezogen am" etc Felder 
+
+        // erst in der Consolidate Funktion hardcoded angehängt werden und gar nicht gemappt sind!
+
+        const allTargetCols = TARGET_COLUMNS.map(tc => tc.id);
+
+
+
+        // "von Raum" und "nach Raum" Indizes für Umverlegt-Check
+
+        const vonRaumId = "von Raum";
+
+        const nachRaumId = "nach Raum";
+
+
+
+        // Mapped Header für die Ausgabetabelle
+
+        const outputHeaders = ["K-Nr.", "Status", "Änderungsdetails", ...allTargetCols.filter(id => id !== "K-Nr.")];
+
+
+
+        // Maps erstellen
+
+        const oldMap = new Map<string, any[]>();
+
+        const oldDuplicates = new Set<string>();
+
+
+
+        for (const row of oldData) {
+
+            const knr = String(row[oldKNrIdx] || "").trim();
+
+            if (!knr) continue;
+
+            if (oldMap.has(knr)) {
+
+                oldDuplicates.add(knr);
+
+            }
+
+            oldMap.set(knr, row);
+
+        }
+
+
+
+        const newMap = new Map<string, any[]>();
+
+        const newDuplicates = new Set<string>();
+
+
+
+        for (const row of newData) {
+
+            const knr = String(row[newKNrIdx] || "").trim();
+
+            if (!knr) continue;
+
+            if (newMap.has(knr)) {
+
+                newDuplicates.add(knr);
+
+            }
+
+            newMap.set(knr, row);
+
+        }
+
+
+
+        const finalOutput: any[][] = [];
+
+        const formatQueue: { row: number, state: "added" | "removed" | "changed" | "moved", formatColRanges?: number[] }[] = [];
+
+        let currentRowIndex = 1; // 1-based, header is 0
+
+
+
+        // 1. Check old list against new list (Removed / Changed / Moved)
+
+        oldMap.forEach((oldRow, knr) => {
+
+            if (!newMap.has(knr)) {
+
+                // Entfernt
+
+                const outRow = [knr, "Entfernt", "Kabel fehlt in der neuen Liste"];
+
+                for (const colId of allTargetCols) {
+
+                    if (colId === "K-Nr.") continue;
+
+                    const idx = getColIndex(oldMapping, colId);
+
+                    outRow.push(idx !== -1 ? oldRow[idx] : "");
+
+                }
+
+
+
+                if (oldDuplicates.has(knr)) outRow[2] += " (Duplikat in alter Liste)";
+
+
+
+                finalOutput.push(outRow);
+
+                formatQueue.push({ row: currentRowIndex, state: "removed" });
+
+                currentRowIndex++;
+
+            } else {
+
+                // Existiert in beiden -> Vergleichen
+
+                const newRow = newMap.get(knr)!;
+
+                let isChanged = false;
+
+                let isMoved = false;
+
+                const changes: string[] = [];
+
+                const changedCols: number[] = [];
+
+
+
+                for (const colId of allTargetCols) {
+
+                    if (colId === "K-Nr.") continue;
+
+
+
+                    const oIdx = getColIndex(oldMapping, colId);
+
+                    const nIdx = getColIndex(newMapping, colId);
+
+
+
+                    const oVal = oIdx !== -1 ? String(oldRow[oIdx] || "").trim() : "";
+
+                    const nVal = nIdx !== -1 ? String(newRow[nIdx] || "").trim() : "";
+
+
+
+                    if (oVal !== nVal) {
+
+                        isChanged = true;
+
+                        changes.push(`${colId}: ${oVal || "Leer"} -> ${nVal || "Leer"}`);
+
+
+
+                        // Output Header mapping: 0=KNr, 1=Status, 2=Details, 3... = the rest (offset by 3)
+
+                        const outputColIdx = outputHeaders.indexOf(colId);
+
+                        if (outputColIdx !== -1) {
+
+                            changedCols.push(outputColIdx);
+
+                        }
+
+
+
+                        if (colId === vonRaumId || colId === nachRaumId) {
+
+                            isMoved = true;
+
+                        }
+
+                    }
+
+                }
+
+
+
+                if (isChanged) {
+
+                    const status = isMoved ? "Umverlegt" : "Geändert";
+
+                    let details = changes.join(" | ");
+
+
+
+                    if (oldDuplicates.has(knr) || newDuplicates.has(knr)) {
+
+                        details += " (Duplikat gefunden!)";
+
+                    }
+
+
+
+                    const outRow = [knr, status, details];
+
+                    for (const colId of allTargetCols) {
+
+                        if (colId === "K-Nr.") continue;
+
+                        const idx = getColIndex(newMapping, colId); // Zeigen die NEUEN Werte!
+
+                        outRow.push(idx !== -1 ? newRow[idx] : "");
+
+                    }
+
+                    finalOutput.push(outRow);
+
+                    formatQueue.push({ row: currentRowIndex, state: isMoved ? "moved" : "changed", formatColRanges: changedCols });
+
+                    currentRowIndex++;
+
+                }
+
+            }
+
+        });
+
+
+
+        // 2. Check new list against old list (Added)
+
+        newMap.forEach((newRow, knr) => {
+
+            if (!oldMap.has(knr)) {
+
+                // Hinzugefügt
+
+                const outRow = [knr, "Neu", "Kabel neu hinzugefügt"];
+
+                for (const colId of allTargetCols) {
+
+                    if (colId === "K-Nr.") continue;
+
+                    const idx = getColIndex(newMapping, colId);
+
+                    outRow.push(idx !== -1 ? newRow[idx] : "");
+
+                }
+
+
+
+                if (newDuplicates.has(knr)) outRow[2] += " (Duplikat in neuer Liste)";
+
+
+
+                finalOutput.push(outRow);
+
+                formatQueue.push({ row: currentRowIndex, state: "added" });
+
+                currentRowIndex++;
+
+            }
+
+        });
+
+
+
+        // 3. Wenn keine Änderungen
+
+        if (finalOutput.length === 0) {
+
+            return 0;
+
+        }
+
+
+
+        // 4. In "Änderungsdokumentation" schreiben
+
+        const sheetName = "Änderungsdokumentation";
+
+        let targetSheet: Excel.Worksheet;
+
+
+
+        try {
+
+            targetSheet = context.workbook.worksheets.getItem(sheetName);
+
+            targetSheet.delete(); // Delete if exists to create a fresh one
+
+            await context.sync();
+
+        } catch (e) {
+
+            // Does not exist
+
+        }
+
+
+
+        targetSheet = context.workbook.worksheets.add(sheetName);
+
+
+
+        const totalRowsCount = finalOutput.length + 1; // +1 für Header
+
+        const totalColsCount = outputHeaders.length;
+
+
+
+        const targetRange = targetSheet.getRangeByIndexes(0, 0, totalRowsCount, totalColsCount);
+
+        const allValues = [outputHeaders, ...finalOutput];
+
+
+
+        const formatArray: string[][] = [];
+
+        for (let i = 0; i < totalRowsCount; i++) {
+
+            formatArray.push(new Array(totalColsCount).fill("@"));
+
+        }
+
+
+
+        targetRange.numberFormat = formatArray;
+
+        targetRange.values = allValues;
+
+
+
+        await context.sync();
+
+
+
+        const table = targetSheet.tables.add(targetRange, true /* hasHeaders */);
+
+        table.style = "TableStyleLight9";
+
+        table.showFilterButton = true;
+
+
+
+        await context.sync();
+
+        const bodyRange = table.getDataBodyRange();
+
+
+
+        // 5. Formate anwenden
+
+        for (const fmt of formatQueue) {
+
+            // row is 1-based (from data), bodyRange getRow is 0-based
+
+            const excelRow = bodyRange.getRow(fmt.row - 1);
+
+
+
+            if (fmt.state === "removed") {
+
+                excelRow.format.fill.color = settings.colorDeleted;
+
+                excelRow.format.font.strikethrough = true;
+
+                excelRow.format.font.color = "#990000"; // Dunkelrot
+
+            } else if (fmt.state === "added") {
+
+                excelRow.format.fill.color = settings.colorNew;
+
+            } else if (fmt.state === "moved") {
+
+                // Umverlegt z.B. hellblau oder lila (wir nehmen ein vordefiniertes Gelb oder passen settings an, hardcoded für jetzt)
+
+                excelRow.format.fill.color = "#d9edf7"; // Light Blue
+
+
+
+                // Einzelne Zellen markieren
+
+                if (fmt.formatColRanges) {
+
+                    for (const col of fmt.formatColRanges) {
+
+                        bodyRange.getCell(fmt.row - 1, col).format.fill.color = "#bce8f1"; // Stronger Blue
+
+                    }
+
+                }
+
+            } else if (fmt.state === "changed") {
+
+                excelRow.format.fill.color = settings.colorChanged;
+
+
+
+                // Einzelne Zellen markieren
+
+                if (fmt.formatColRanges) {
+
+                    for (const col of fmt.formatColRanges) {
+
+                        bodyRange.getCell(fmt.row - 1, col).format.fill.color = "#ffe699"; // Stronger Yellow
+
+                    }
+
+                }
+
+            }
+
+        }
+
+
+
+        targetRange.format.autofitColumns();
+
+        await context.sync();
+
+
+
+        targetSheet.activate();
+
+        return finalOutput.length;
+
+    });
+
+}
+

src/taskpane/models.ts

@@ -12,6 +12,7 @@ export interface ColumnMappingInfo {
 }
 
 export interface SheetMappingStatus {
+  sheetId?: string; // Eindeutige ID (z.B. für identisch benannte externe Blätter)
   sheetName: string;
   headerRowIndex: number; // 0-indexed
   mappings: ColumnMappingInfo[];