diff --git a/src/storage/collab.ts b/src/storage/collab.ts
index 7264560..78cf63d 100644
--- a/src/storage/collab.ts
+++ b/src/storage/collab.ts
@@ -32,7 +32,7 @@ function saveCollab(data: CollabSchema): void {
   if (!existsSync(dir)) {
     mkdirSync(dir, { recursive: true });
   }
-  writeFileSync(collabPath, JSON.stringify(data, null, 2));
+  writeFileSync(collabPath, JSON.stringify(data, null, 2) + '\n');
 }
 
 export const collabStorage = {
diff --git a/src/storage/snapshots.ts b/src/storage/snapshots.ts
index 1f7a38d..799406a 100644
--- a/src/storage/snapshots.ts
+++ b/src/storage/snapshots.ts
@@ -58,7 +58,7 @@ function loadMeta(problemId: string): SnapshotMeta {
 
 function saveMeta(problemId: string, meta: SnapshotMeta): void {
   ensureSnapshotDir(problemId);
-  writeFileSync(getMetaPath(problemId), JSON.stringify(meta, null, 2));
+  writeFileSync(getMetaPath(problemId), JSON.stringify(meta, null, 2) + '\n');
 }
 
 export const snapshotStorage = {
diff --git a/src/storage/timer.ts b/src/storage/timer.ts
index fc61fd7..f6ba73a 100644
--- a/src/storage/timer.ts
+++ b/src/storage/timer.ts
@@ -41,7 +41,7 @@ function saveTimer(data: TimerSchema): void {
   if (!existsSync(dir)) {
     mkdirSync(dir, { recursive: true });
   }
-  writeFileSync(timerPath, JSON.stringify(data, null, 2));
+  writeFileSync(timerPath, JSON.stringify(data, null, 2) + '\n');
 }
 
 export const timerStorage = {
diff --git a/src/storage/version.ts b/src/storage/version.ts
index 48c1b6a..3928381 100644
--- a/src/storage/version.ts
+++ b/src/storage/version.ts
@@ -32,7 +32,7 @@ function loadCache(): VersionCache | null {
 
 function saveCache(cache: VersionCache): void {
   ensureDir();
-  writeFileSync(VERSION_FILE, JSON.stringify(cache, null, 2));
+  writeFileSync(VERSION_FILE, JSON.stringify(cache, null, 2) + '\n');
 }
 
 export const versionStorage = {
diff --git a/src/storage/workspaces.ts b/src/storage/workspaces.ts
index 2d25aec..69ee82c 100644
--- a/src/storage/workspaces.ts
+++ b/src/storage/workspaces.ts
@@ -35,7 +35,7 @@ function loadRegistry(): WorkspaceRegistry {
 
 function saveRegistry(registry: WorkspaceRegistry): void {
   ensureDir(LEETCODE_DIR);
-  writeFileSync(WORKSPACES_FILE, JSON.stringify(registry, null, 2));
+  writeFileSync(WORKSPACES_FILE, JSON.stringify(registry, null, 2) + '\n');
 }
 
 function normalizeWorkspaceName(name: string): string | null {
@@ -154,14 +154,14 @@ export const workspaceStorage = {
 
     // Write config
     const configPath = join(wsDir, 'config.json');
-    writeFileSync(configPath, JSON.stringify(config, null, 2));
+    writeFileSync(configPath, JSON.stringify(config, null, 2) + '\n');
 
     // Initialize empty timer and collab
     writeFileSync(
       join(wsDir, 'timer.json'),
-      JSON.stringify({ solveTimes: {}, activeTimer: null }, null, 2)
+      JSON.stringify({ solveTimes: {}, activeTimer: null }, null, 2) + '\n'
     );
-    writeFileSync(join(wsDir, 'collab.json'), JSON.stringify({ session: null }, null, 2));
+    writeFileSync(join(wsDir, 'collab.json'), JSON.stringify({ session: null }, null, 2) + '\n');
 
     // Update registry
     registry.workspaces.push(wsName);
@@ -233,7 +233,7 @@ export const workspaceStorage = {
     const currentConfig = this.getConfig(wsName);
     const newConfig = { ...currentConfig, ...config };
 
-    writeFileSync(join(wsDir, 'config.json'), JSON.stringify(newConfig, null, 2));
+    writeFileSync(join(wsDir, 'config.json'), JSON.stringify(newConfig, null, 2) + '\n');
   },
 
   /**