Fix

packages/server/src/trpc/TRPCContext.ts

@@ -1,5 +1,4 @@
-import type { Effect, Runtime } from "effect"
-import type { RuntimeFiber } from "effect/Fiber"
+import type { Effect } from "effect"
 import type { Request } from "express"
 import type { Services } from "../Services"
 
@@ -7,7 +6,7 @@ import type { Services } from "../Services"
 export interface TRPCContext {
     req: Request
     run: <A, E>(
-        self:      Effect.Effect<A, E, Services>,
-        options?:  Runtime.RunForkOptions,
-    ) => RuntimeFiber<A, E>
+        effect:    Effect.Effect<A, E, Services>,
+        options?:  { readonly signal?: AbortSignal }
+    ) => Promise<A>
 }

packages/server/src/trpc/TRPCContextCreator.ts

@@ -14,7 +14,7 @@ export class TRPCContextCreator extends Context.Tag("TRPCContextCreator")<TRPCCo
 export module TRPCContextCreator {
     export const Live = Layer.effect(TRPCContextCreator, Effect.gen(function*() {
         const run = yield* Effect.runtime<Services>().pipe(
-            Effect.map(Runtime.runFork)
+            Effect.map(Runtime.runPromise)
         )
 
         return ({ req }) => ({