diff --git a/src/csv-loader/loader.ts b/src/csv-loader/loader.ts
index 0bda262..259d28a 100644
--- a/src/csv-loader/loader.ts
+++ b/src/csv-loader/loader.ts
@@ -160,7 +160,11 @@ export function parseCsv(
   }
 
   // Parse type declarations with expansion of type name references
-  const typeDeclarationsParsed: { name: string; schema: Schema }[] = [];
+  const typeDeclarationsParsed: {
+    name: string;
+    schema: Schema;
+    schemaString: string;
+  }[] = [];
   for (const decl of typeDeclarationsRaw) {
     // Expand any type name references before parsing
     const expandedSchema = expandSchemaString(
@@ -168,7 +172,11 @@ export function parseCsv(
       declaredSchemaStrings,
     );
     const schema = parseSchema(expandedSchema.trim());
-    typeDeclarationsParsed.push({ name: decl.typeName, schema });
+    typeDeclarationsParsed.push({
+      name: decl.typeName,
+      schema,
+      schemaString: decl.schemaString,
+    });
   }
 
   // Build declared types map
@@ -181,7 +189,11 @@ export function parseCsv(
   const typeDeclarations: TypeDeclaration[] = [];
   for (const decl of typeDeclarationsParsed) {
     const resolvedSchema = resolveTypeReferences(decl.schema, declaredTypes);
-    typeDeclarations.push({ name: decl.name, schema: resolvedSchema });
+    typeDeclarations.push({
+      name: decl.name,
+      schema: resolvedSchema,
+      schemaString: decl.schemaString,
+    });
   }
 
   // Update declaredTypes with resolved schemas for column schema lookup
diff --git a/src/csv-loader/tests/parseCsv-typeDeclarations.test.ts b/src/csv-loader/tests/parseCsv-typeDeclarations.test.ts
index 4070eb9..f489b3b 100644
--- a/src/csv-loader/tests/parseCsv-typeDeclarations.test.ts
+++ b/src/csv-loader/tests/parseCsv-typeDeclarations.test.ts
@@ -56,9 +56,9 @@ describe("parseCsv - type declarations", () => {
       currentFilePath: path.join(fixturesDir, "card.csv"),
     });
 
-    expect(result.typeDefinition).toContain("type Trigger =");
+    expect(result.typeDefinition).toContain("export type Trigger =");
     expect(result.typeDefinition).toContain(
-      '"onPlay" | "onDraw" | "onDiscard"',
+      "'onPlay' | 'onDraw' | 'onDiscard'",
     );
   });
 
@@ -93,8 +93,8 @@ describe("parseCsv - type declarations", () => {
       currentFilePath: path.join(fixturesDir, "card.csv"),
     });
 
-    expect(result.typeDefinition).toContain("type Trigger =");
-    expect(result.typeDefinition).toContain("type Status =");
+    expect(result.typeDefinition).toContain("export type Trigger =");
+    expect(result.typeDefinition).toContain("export type Status =");
   });
 
   it("should ignore comment lines that are not type declarations", () => {
@@ -196,8 +196,8 @@ describe("parseCsv - type declarations", () => {
     });
 
     // Both type declarations should appear
-    expect(result.typeDefinition).toContain("type Trigger =");
-    expect(result.typeDefinition).toContain("type Effect =");
+    expect(result.typeDefinition).toContain("export type Trigger =");
+    expect(result.typeDefinition).toContain("export type Effect =");
     // Column should use the declared type name, not expanded union
     expect(result.typeDefinition).toContain("readonly trigger: Trigger;");
   });
@@ -242,10 +242,15 @@ describe("parseCsv - type declarations", () => {
       currentFilePath: path.join(fixturesDir, "intent.csv"),
     });
 
-    expect(result.typeDefinition).toContain("type IntentEffectTarget =");
-    expect(result.typeDefinition).toContain("type IntentEffect =");
-    expect(result.typeDefinition).toContain("type IntentEffects =");
-
+    expect(result.typeDefinition).toContain("export type IntentEffectTarget =");
+    expect(result.typeDefinition).toContain("export type IntentEffect =");
+    expect(result.typeDefinition).toContain("export type IntentEffects =");
+    // IntentEffect should reference IntentEffectTarget, not expand it
+    expect(result.typeDefinition).toContain(
+      "[IntentEffectTarget; string; int]",
+    );
+    // IntentEffects should reference IntentEffect, not expand it
+    expect(result.typeDefinition).toContain("IntentEffect[]");
     // Column should reference IntentEffects, not inline expansion
     expect(result.typeDefinition).toContain("readonly effects: IntentEffects;");
   });
diff --git a/src/csv-loader/type-gen.ts b/src/csv-loader/type-gen.ts
index a09b97e..da3389c 100644
--- a/src/csv-loader/type-gen.ts
+++ b/src/csv-loader/type-gen.ts
@@ -51,7 +51,7 @@ export function generateTypeDefinition(
       ? typeDeclarations
           .map(
             (decl) =>
-              `export type ${decl.name} = ${schemaToTypeString(decl.schema, resourceNames)};`,
+              `export type ${decl.name} = ${decl.schemaString ?? schemaToTypeString(decl.schema, resourceNames)};`,
           )
           .join("\n") + "\n\n"
       : "";
diff --git a/src/csv-loader/types.ts b/src/csv-loader/types.ts
index ade0468..34f75a1 100644
--- a/src/csv-loader/types.ts
+++ b/src/csv-loader/types.ts
@@ -98,6 +98,8 @@ export interface ReverseReferenceDeclaration {
 export interface TypeDeclaration {
   /** Name of the type being defined */
   name: string;
+  /** The original schema string (preserves type name references for output) */
+  schemaString: string;
   /** The parsed schema for this type */
   schema: Schema;
 }