diff --git a/packages/primitives/src/project.ts b/packages/primitives/src/project.ts
index 461778d..dbdb12d 100644
--- a/packages/primitives/src/project.ts
+++ b/packages/primitives/src/project.ts
@@ -1,9 +1,9 @@
 /* eslint-disable max-classes-per-file -- deep Effect v4 domain module: branded schemas, tagged errors, and context services */
 import { Context, Effect, Layer, Schema } from "effect";
 
-import { OrganizationId, ProjectId, TimestampMs } from "./signal.ts";
+import { OrganizationId, ProjectId, TimestampMs } from "./signal";
 
-export type { OrganizationId, ProjectId } from "./signal.ts";
+export type { OrganizationId, ProjectId } from "./signal";
 
 // ---------------------------------------------------------------------------
 // Domain constants
diff --git a/packages/primitives/src/work.ts b/packages/primitives/src/work.ts
index b25c200..ee9070b 100644
--- a/packages/primitives/src/work.ts
+++ b/packages/primitives/src/work.ts
@@ -1,7 +1,7 @@
 import { Array as EffectArray, Effect, Order, Schema } from "effect";
 
-export { WorkStatus } from "./work-lifecycle.ts";
-export type { WorkStatus as WorkLifecycleStatus } from "./work-lifecycle.ts";
+export { WorkStatus } from "./work-lifecycle";
+export type { WorkStatus as WorkLifecycleStatus } from "./work-lifecycle";
 
 const MeaningfulString = Schema.String.check(
   Schema.makeFilter((value) => value.trim().length > 0, {