diff --git a/.gitignore b/.gitignore
index 2a5d3f18..c752c12e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -76,14 +76,6 @@ blob-report/
 # TypeScript
 *.tsbuildinfo
 
-# Prevent compiled files in source directories
-libs/*/src/**/*.js
-libs/*/src/**/*.d.ts
-libs/*/src/**/*.d.ts.map
-apps/*/src/**/*.js
-apps/*/src/**/*.d.ts
-apps/*/src/**/*.d.ts.map
-
 # Misc
 *.pem
 
diff --git a/apps/server/src/services/feature-loader.ts b/apps/server/src/services/feature-loader.ts
index f4d30246..fe77abe6 100644
--- a/apps/server/src/services/feature-loader.ts
+++ b/apps/server/src/services/feature-loader.ts
@@ -143,8 +143,9 @@ export class FeatureLoader {
         }
       } catch (error) {
         logger.error(`Failed to migrate image:`, error);
-        // Keep original path if migration fails
-        updatedPaths.push(imagePath);
+        // Rethrow error to let caller decide how to handle it
+        // Keeping original path could lead to broken references
+        throw error;
       }
     }
 
diff --git a/libs/types/package.json b/libs/types/package.json
index 2ce002ab..9eb1bea3 100644
--- a/libs/types/package.json
+++ b/libs/types/package.json
@@ -1,6 +1,7 @@
 {
   "name": "@automaker/types",
   "version": "1.0.0",
+  "type": "module",
   "description": "Shared type definitions for AutoMaker",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
diff --git a/libs/types/src/index.ts b/libs/types/src/index.ts
index 6d2fa42f..e7a9fbd9 100644
--- a/libs/types/src/index.ts
+++ b/libs/types/src/index.ts
@@ -13,7 +13,7 @@ export type {
   InstallationStatus,
   ValidationResult,
   ModelDefinition,
-} from './provider';
+} from './provider.js';
 
 // Feature types
 export type {
@@ -21,7 +21,7 @@ export type {
   FeatureImagePath,
   FeatureStatus,
   PlanningMode,
-} from './feature';
+} from './feature.js';
 
 // Session types
 export type {
@@ -29,43 +29,43 @@ export type {
   SessionListItem,
   CreateSessionParams,
   UpdateSessionParams,
-} from './session';
+} from './session.js';
 
 // Error types
 export type {
   ErrorType,
   ErrorInfo,
-} from './error';
+} from './error.js';
 
 // Image types
 export type {
   ImageData,
   ImageContentBlock,
-} from './image';
+} from './image.js';
 
 // Model types and constants
 export {
   CLAUDE_MODEL_MAP,
   DEFAULT_MODELS,
   type ModelAlias,
-} from './model';
+} from './model.js';
 
 // Event types
 export type {
   EventType,
   EventCallback,
-} from './event';
+} from './event.js';
 
 // Spec types
 export type {
   SpecOutput,
-} from './spec';
+} from './spec.js';
 export {
   specOutputSchema,
-} from './spec';
+} from './spec.js';
 
 // Enhancement types
 export type {
   EnhancementMode,
   EnhancementExample,
-} from './enhancement';
+} from './enhancement.js';