diff --git a/src/main/services/team/TaskChangeLedgerReader.ts b/src/main/services/team/TaskChangeLedgerReader.ts
index b9b7ec49..00d301bd 100644
--- a/src/main/services/team/TaskChangeLedgerReader.ts
+++ b/src/main/services/team/TaskChangeLedgerReader.ts
@@ -943,8 +943,9 @@ export class TaskChangeLedgerReader {
 
   private mapV2SummaryFile(file: LedgerSummaryFileV2, projectPath?: string): FileChangeSummary {
     const displayPath = file.displayPath ?? file.filePath;
+    const filePath = this.normalizeLedgerFilePath(file.filePath);
     return {
-      filePath: file.filePath,
+      filePath,
       relativePath: this.relativePath(displayPath, projectPath, file.relativePath),
       snippets: [],
       linesAdded: file.linesAdded,
@@ -1001,7 +1002,7 @@ export class TaskChangeLedgerReader {
       startTimestamp: scope.startTimestamp,
       endTimestamp: scope.endTimestamp,
       toolUseIds: scope.toolUseIds,
-      filePaths: files.map((file) => file.filePath),
+      filePaths: files.map((file) => this.normalizeLedgerFilePath(file.filePath)),
       confidence: scope.confidence,
       ...(scope.primaryActorKey ? { primaryActorKey: scope.primaryActorKey } : {}),
       ...(scope.primaryAgentId ? { primaryAgentId: scope.primaryAgentId } : {}),
@@ -1049,9 +1050,10 @@ export class TaskChangeLedgerReader {
     beforeContent: string | null,
     afterContent: string | null
   ): SnippetDiff {
+    const filePath = this.normalizeLedgerFilePath(event.filePath);
     return {
       toolUseId: event.toolUseId,
-      filePath: event.filePath,
+      filePath,
       toolName: this.mapToolName(event.source),
       type: this.mapSnippetType(event),
       oldString: event.oldString ?? beforeContent ?? '',
@@ -1371,7 +1373,18 @@ export class TaskChangeLedgerReader {
       return null;
     }
 
-    return `${normalizedAnchor.slice(0, normalizedAnchor.length - normalizedAnchorRelation.length)}${targetRelationPath.replace(/\\/g, '/')}`;
+    return this.normalizeLedgerFilePath(
+      `${normalizedAnchor.slice(0, normalizedAnchor.length - normalizedAnchorRelation.length)}${targetRelationPath.replace(/\\/g, '/')}`
+    );
+  }
+
+  private normalizeLedgerFilePath(filePath: string): string {
+    const slashPath = filePath.replace(/\\/g, '/');
+    const isWindowsAbsolute = /^[A-Za-z]:\//.test(slashPath) || slashPath.startsWith('//');
+    if (path.isAbsolute(filePath) || isWindowsAbsolute) {
+      return path.normalize(filePath);
+    }
+    return slashPath;
   }
 
   private relativePath(
diff --git a/test/main/services/team/taskChangeLedgerFixtureUtils.ts b/test/main/services/team/taskChangeLedgerFixtureUtils.ts
index ed87c88e..02e88f63 100644
--- a/test/main/services/team/taskChangeLedgerFixtureUtils.ts
+++ b/test/main/services/team/taskChangeLedgerFixtureUtils.ts
@@ -61,6 +61,41 @@ async function rewriteProjectRootTokens(rootDir: string, token: string, projectD
   }
 }
 
+function shouldNormalizeLfFixtureFile(filePath: string): boolean {
+  const normalizedPath = filePath.replace(/\\/g, '/');
+  return (
+    /\.(json|jsonl|md|txt|ts|tsx|js|jsx)$/.test(normalizedPath) ||
+    normalizedPath.includes('/.board-task-changes/blobs/sha256/')
+  );
+}
+
+function looksBinary(buffer: Buffer): boolean {
+  for (const byte of buffer) {
+    if (byte === 0) return true;
+    if (byte < 9 || (byte > 13 && byte < 32)) return true;
+  }
+  return false;
+}
+
+async function normalizeFixtureTextLineEndings(rootDir: string): Promise<void> {
+  const entries = await fs.readdir(rootDir, { withFileTypes: true });
+  for (const entry of entries) {
+    const entryPath = path.join(rootDir, entry.name);
+    if (entry.isDirectory()) {
+      await normalizeFixtureTextLineEndings(entryPath);
+      continue;
+    }
+    if (!shouldNormalizeLfFixtureFile(entryPath)) {
+      continue;
+    }
+    const raw = await fs.readFile(entryPath);
+    if (!raw.includes(13) || looksBinary(raw)) {
+      continue;
+    }
+    await fs.writeFile(entryPath, raw.toString('utf8').replace(/\r\n?/g, '\n'), 'utf8');
+  }
+}
+
 export async function materializeTaskChangeLedgerFixture(
   fixtureName: string
 ): Promise<MaterializedTaskChangeLedgerFixture> {
@@ -76,6 +111,7 @@ export async function materializeTaskChangeLedgerFixture(
   const token = manifest.projectRootToken ?? DEFAULT_PROJECT_ROOT_TOKEN;
 
   await rewriteProjectRootTokens(rootDir, token, projectDir);
+  await normalizeFixtureTextLineEndings(rootDir);
 
   return {
     rootDir,