fix: restore project placeholders regardless of case

src/lib/velum-project.ts

@@ -244,24 +244,41 @@ export function replaceSpans(
   return output;
 }
 
-function restorePattern(mapping: PlaceholderMapping, matchModes: ProjectRun["matchModes"], pathSegment = false): RegExp | undefined {
+function restorePattern(mapping: PlaceholderMapping, matchModes: ProjectRun["matchModes"], pathSegment = false): {
+  pattern: RegExp; originalFor: (match: string) => string | undefined;
+} | undefined {
   const keys = Object.keys(mapping).sort((a, b) => b.length - a.length);
   if (!keys.length) return undefined;
+  const foldedKeys = new Map<string, string | null>();
+  for (const key of keys) {
+    const folded = key.toUpperCase();
+    if (foldedKeys.has(folded)) foldedKeys.set(folded, null);
+    else foldedKeys.set(folded, key);
+  }
   const parts = keys.map((key) => {
     const escaped = key.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
     return pathSegment || matchModes?.[key] === "anywhere"
       ? escaped : `(?<![\\p{L}\\p{N}])${escaped}(?![\\p{L}\\p{N}])`;
   });
-  return new RegExp(parts.join("|"), "gu");
+  return {
+    pattern: new RegExp(parts.join("|"), "giu"),
+    originalFor: (match) => {
+      const key = Object.prototype.hasOwnProperty.call(mapping, match)
+        ? match : foldedKeys.get(match.toUpperCase());
+      return key ? mapping[key].original : undefined;
+    },
+  };
 }
 
 export function restoreTextWithCount(source: string, mapping: PlaceholderMapping,
   matchModes?: ProjectRun["matchModes"]): { text: string; replacements: number } {
   const pattern = restorePattern(mapping, matchModes);
   let replacements = 0;
-  const text = pattern ? source.replace(pattern, (key) => {
+  const text = pattern ? source.replace(pattern.pattern, (match) => {
+    const original = pattern.originalFor(match);
+    if (original === undefined) return match;
     replacements++;
-    return mapping[key].original;
+    return original;
   }) : source;
   return { text, replacements };
 }
@@ -275,7 +292,7 @@ export function restorePath(relPath: string, mapping: PlaceholderMapping, matchM
   // Restricting replacements to word boundaries would leave those names masked.
   const pattern = restorePattern(mapping, matchModes, true);
   const segments = safeRelativePath(relPath).split("/").map((segment) => {
-    const restored = pattern ? segment.replace(pattern, (key) => mapping[key].original) : segment;
+    const restored = pattern ? segment.replace(pattern.pattern, (match) => pattern.originalFor(match) ?? match) : segment;
     if (restored.includes("/") || restored.includes("\\") || restored === "." || restored === "..") {
       throw new Error("Rückübersetzter Dateiname enthält einen ungültigen Pfadteil.");
     }

src/restore-project-files.tsx

@@ -4,7 +4,7 @@ import { homedir } from "node:os";
 import { basename, dirname, join } from "node:path";
 import { useEffect, useState } from "react";
 import { depseudonymizeDocument } from "./velum";
-import { canonicalProjectPath, listAllRuns, resolveWithin, restorePath, restoreText, runCopiesPath, scanRestorableCopyFiles } from "./lib/velum-project";
+import { canonicalProjectPath, listAllRuns, resolveWithin, restorePath, restoreTextWithCount, runCopiesPath, scanRestorableCopyFiles } from "./lib/velum-project";
 import type { ProjectFile, ProjectRun } from "./lib/velum-project";
 import { canonicalPerson, mergePeople } from "./lib/project-review";
 import { planProjectRevision, reviseProjectRun } from "./lib/project-revision";
@@ -173,10 +173,13 @@ function FilePicker(props: { run: ProjectRun; directory: string; historical?: bo
     const parent = join(homedir(), "Downloads", "Velum");
     let targetRoot: string | undefined;
     try {
+      if (!Object.keys(props.run.mapping).length) throw new Error("Dieser Projektstand hat keine Übersetzungstabelle.");
       const names = new Set<string>();
       const planned = files.filter((item) => selected.has(item.relPath)).map((file) => ({
         file, restoredName: restorePath(file.relPath, props.run.mapping, props.run.matchModes),
       }));
+      const renamedFiles = planned.filter(({ file, restoredName }) => restoredName !== file.relPath).length;
+      let contentReplacements = 0;
       for (const { restoredName } of planned) {
         if (names.has(restoredName)) throw new Error(`Mehrdeutiger Ausgabename: ${restoredName}`);
         names.add(restoredName);
@@ -188,14 +191,24 @@ function FilePicker(props: { run: ProjectRun; directory: string; historical?: bo
         const target = resolveWithin(targetRoot, restoredName);
         if (!(await fs.lstat(source)).isFile()) throw new Error(`Keine reguläre Datei: ${file.relPath}`);
         const data = await fs.readFile(source);
-        const result = file.kind === "document"
-          ? await depseudonymizeDocument(basename(file.relPath), data, props.run.mapping)
-          : Buffer.from(restoreText(data.toString("utf8"), props.run.mapping, props.run.matchModes), "utf8");
+        let result: Buffer;
+        if (file.kind === "document") {
+          result = await depseudonymizeDocument(basename(file.relPath), data, props.run.mapping);
+        } else {
+          const restored = restoreTextWithCount(data.toString("utf8"), props.run.mapping, props.run.matchModes);
+          contentReplacements += restored.replacements;
+          result = Buffer.from(restored.text, "utf8");
+        }
         await fs.mkdir(dirname(target), { recursive: true, mode: 0o700 });
         await fs.writeFile(target, result, { flag: "wx", mode: 0o600 });
       }
+      if (!renamedFiles && !contentReplacements && planned.every(({ file }) => file.kind === "text")) {
+        throw new Error("Keine passenden Velum-Platzhalter in den ausgewählten Textdateien oder Dateinamen gefunden. Bitte Quelle und Projektstand prüfen.");
+      }
       toast.style = Toast.Style.Success;
       toast.title = `${selected.size} Klartext-Dateien in Downloads`;
+      toast.message = `${contentReplacements} Textersetzungen · ${renamedFiles} Dateinamen geändert`
+        + (planned.some(({ file }) => file.kind === "document") ? " · Office-Inhalte nicht gezählt" : "");
       await showInFinder(targetRoot).catch(() => undefined);
     } catch (error) {
       if (targetRoot) await fs.rm(targetRoot, { recursive: true, force: true });

tests/velum-project.test.ts

@@ -132,6 +132,12 @@ describe("Velum-Projektstände", () => {
     expect(project.restorePath("Archiv/BerichtPERSON_01.docx", {
       PERSON_01: { original: "Max Mustermann", type: "PERSON" },
     })).toBe("Archiv/BerichtMax Mustermann.docx");
+    expect(project.restorePath("archiv/bericht_person_01.docx", {
+      PERSON_01: { original: "Max Mustermann", type: "PERSON" },
+    })).toBe("archiv/bericht_Max Mustermann.docx");
+    expect(project.restoreTextWithCount("person_01 und Person_01", {
+      PERSON_01: { original: "Max Mustermann", type: "PERSON" },
+    })).toEqual({ text: "Max Mustermann und Max Mustermann", replacements: 2 });
     expect(project.restoreText("BerichtPERSON_01", {
       PERSON_01: { original: "Max Mustermann", type: "PERSON" },
     })).toBe("BerichtPERSON_01");
@@ -139,6 +145,10 @@ describe("Velum-Projektstände", () => {
       PERSON_01: { original: "Falsch", type: "PERSON" },
       PERSON_0101: { original: "Richtig", type: "PERSON" },
     })).toBe("Richtig.txt");
+    expect(project.restoreText("Person_01 / PERSON_01", {
+      PERSON_01: { original: "Eins", type: "PERSON" },
+      person_01: { original: "Zwei", type: "PERSON" },
+    })).toBe("Person_01 / Eins");
     expect(() => project.safeRelativePath("../geheim.txt")).toThrow();
   });