refactor(httpapi): preserve typed errors in session prompt handlers (#25181)

packages/opencode/src/effect/bridge.ts

@@ -1,4 +1,4 @@
-import { Effect, Fiber } from "effect"
+import { Effect, Exit, Fiber } from "effect"
 import { WorkspaceContext } from "@/control-plane/workspace-context"
 import { Instance, type InstanceContext } from "@/project/instance"
 import type { WorkspaceID } from "@/control-plane/schema"
@@ -9,6 +9,7 @@ import { attachWith } from "./run-service"
 export interface Shape {
   readonly promise: <A, E, R>(effect: Effect.Effect<A, E, R>) => Promise<A>
   readonly fork: <A, E, R>(effect: Effect.Effect<A, E, R>) => Fiber.Fiber<A, E>
+  readonly run: <A, E, R>(effect: Effect.Effect<A, E, R>) => Effect.Effect<A, E>
 }
 
 function restore<R>(instance: InstanceContext | undefined, workspace: WorkspaceID | undefined, fn: () => R): R {
@@ -43,6 +44,14 @@ export function make(): Effect.Effect<Shape> {
         restore(instance, workspace, () => Effect.runPromise(wrap(effect))),
       fork: <A, E, R>(effect: Effect.Effect<A, E, R>) =>
         restore(instance, workspace, () => Effect.runFork(wrap(effect))),
+      run: <A, E, R>(effect: Effect.Effect<A, E, R>) =>
+        Effect.callback<A, E>((resume) => {
+          restore(instance, workspace, () =>
+            Effect.runPromiseExit(wrap(effect)).then((exit) =>
+              resume(Exit.isSuccess(exit) ? Effect.succeed(exit.value) : Effect.failCause(exit.cause)),
+            ),
+          )
+        }),
     } satisfies Shape
   })
 }