diff --git a/src/core/project/backends/cdk.test.ts b/src/core/project/backends/cdk.test.ts
index 33f509877..f152b528b 100644
--- a/src/core/project/backends/cdk.test.ts
+++ b/src/core/project/backends/cdk.test.ts
@@ -628,8 +628,18 @@ describe("CdkBackend.resolveDeployedResources", () => {
     const resources = await subject.backend.resolveDeployedResources(input, { target: TARGET });
 
     expect(resources).toEqual([
-      { resourceType: "runtime", name: "checkout_agent", id: "checkout_agent-AbCdEf1234" },
-      { resourceType: "harness", name: "support_agent", id: "support_agent-AbCdEf1234" },
+      {
+        resourceType: "runtime",
+        name: "checkout_agent",
+        id: "checkout_agent-AbCdEf1234",
+        target: TARGET,
+      },
+      {
+        resourceType: "harness",
+        name: "support_agent",
+        id: "support_agent-AbCdEf1234",
+        target: TARGET,
+      },
     ]);
     expect(subject.stackReads).toHaveLength(1);
   });
diff --git a/src/core/project/backends/cdk.ts b/src/core/project/backends/cdk.ts
index 78b5cac8d..516ce0aa9 100644
--- a/src/core/project/backends/cdk.ts
+++ b/src/core/project/backends/cdk.ts
@@ -3,10 +3,10 @@ import { join } from "node:path";
 import type { Stack } from "@aws-sdk/client-cloudformation";
 import { MalformedServiceResponseError, ProjectStateError } from "../../../errors/errors";
 import type {
-  DeployedProjectResource,
   DeployResult,
   Project,
   ProjectEvent,
+  ResolvedDeployedResource,
 } from "../../../handlers/project/types";
 import {
   FsReadWriteJson,
@@ -53,7 +53,7 @@ type StackDescriber = typeof describeStack;
 
 function findDeployedResourceId(
   stack: Stack,
-  input: Pick<DeployedProjectResource, "resourceType" | "name">,
+  input: Pick<ResolvedDeployedResource, "resourceType" | "name">,
 ): string | undefined {
   if (!stack.StackName) return undefined;
   const exportResourceName = input.name.replaceAll("_", "-");
@@ -265,7 +265,7 @@ export class CdkBackend implements ProjectBackend {
   public async resolveDeployedResources(
     project: Project,
     input: ResolveDeployedResourcesBackendInput,
-  ): Promise<DeployedProjectResource[]> {
+  ): Promise<ResolvedDeployedResource[]> {
     const { target } = input;
     const deployedState = await readDeployedState(this.json, project.rootPath);
     const stackArn = deployedState.targets[target.name]?.stackArn;
@@ -291,7 +291,7 @@ export class CdkBackend implements ProjectBackend {
     ];
     return resources.flatMap((resource) => {
       const id = findDeployedResourceId(stack, resource);
-      return id ? [{ ...resource, id }] : [];
+      return id ? [{ ...resource, id, target }] : [];
     });
   }
 
diff --git a/src/core/project/backends/types.ts b/src/core/project/backends/types.ts
index 77c2b0751..dccb11da8 100644
--- a/src/core/project/backends/types.ts
+++ b/src/core/project/backends/types.ts
@@ -1,8 +1,8 @@
 import type {
-  DeployedProjectResource,
   DeployResult,
   Project,
   ProjectEvent,
+  ResolvedDeployedResource,
   TeardownConfirmationHandler,
 } from "../../../handlers/project/types";
 import type { AwsDeploymentTarget } from "../../../projectSchemas/aws-targets";
@@ -25,5 +25,5 @@ export interface ProjectBackend {
   resolveDeployedResources(
     project: Project,
     input: ResolveDeployedResourcesBackendInput,
-  ): Promise<DeployedProjectResource[]>;
+  ): Promise<ResolvedDeployedResource[]>;
 }
diff --git a/src/core/project/manager.tsx b/src/core/project/manager.tsx
index 45b99d4d6..4f1b016fb 100644
--- a/src/core/project/manager.tsx
+++ b/src/core/project/manager.tsx
@@ -889,7 +889,10 @@ export class FsProjectManager implements ProjectManager {
     const resource = resolved.resources.find(
       ({ resourceType, name }) => resourceType === input.resourceType && name === input.name,
     );
-    if (resource) return { id: resource.id, target: resolved.target };
+    // The declared target wins over the copy on the item: the manager resolved it
+    // from aws-targets.json, and both invoke handlers pin the AWS region off this
+    // value, so trusting a backend's echo would let it redirect the call.
+    if (resource) return { ...resource, target: resolved.target };
 
     const label = input.resourceType === "runtime" ? "Runtime" : "Harness";
     throw new ProjectStateError(
diff --git a/src/handlers/project/invoke/index.test.tsx b/src/handlers/project/invoke/index.test.tsx
index d5fb86b20..91ce9dd4f 100644
--- a/src/handlers/project/invoke/index.test.tsx
+++ b/src/handlers/project/invoke/index.test.tsx
@@ -85,11 +85,13 @@ function backend() {
           resourceType: "runtime" as const,
           name,
           id: RUNTIME_ID,
+          target: input.target,
         })),
         ...project.spec.harnesses.map(({ name }) => ({
           resourceType: "harness" as const,
           name,
           id: HARNESS_ID,
+          target: input.target,
         })),
       ];
     },
diff --git a/src/handlers/project/invoke/invoke.screen.test.tsx b/src/handlers/project/invoke/invoke.screen.test.tsx
index a7c21e53d..30b6a49dc 100644
--- a/src/handlers/project/invoke/invoke.screen.test.tsx
+++ b/src/handlers/project/invoke/invoke.screen.test.tsx
@@ -7,7 +7,7 @@ import type {
 import { ProjectSpecSchema } from "../../../projectSchemas/project";
 import { ProjectKey } from "../../../router";
 import { cleanupScreens, renderScreen, TestCoreClient, waitForText } from "../../../testing";
-import type { DeployedProjectResource, Project } from "../types";
+import type { Project, ResolvedDeployedResource } from "../types";
 
 afterEach(cleanupScreens);
 
@@ -46,14 +46,16 @@ function endpoint(name: string): AgentRuntimeEndpoint {
 
 const TARGET = { name: "default", account: "111122223333", region: "eu-west-1" } as const;
 
-const DEPLOYED_RESOURCES: DeployedProjectResource[] = [
-  { resourceType: "runtime", name: "checkout", id: "runtime-123" },
-  { resourceType: "harness", name: "support", id: "harness-123" },
+const DEPLOYED_RESOURCES: ResolvedDeployedResource[] = [
+  { resourceType: "runtime", name: "checkout", id: "runtime-123", target: TARGET },
+  { resourceType: "harness", name: "support", id: "harness-123", target: TARGET },
 ];
 
-function core(resources: DeployedProjectResource[] = DEPLOYED_RESOURCES): TestCoreClient {
+function core(resources: ResolvedDeployedResource[] = DEPLOYED_RESOURCES): TestCoreClient {
   const value = new TestCoreClient();
   value.projectManager.resolveDeployedResource = async (_project, input) => ({
+    resourceType: input.resourceType,
+    name: input.name,
     id: input.resourceType === "runtime" ? "runtime-123" : "harness-123",
     target: TARGET,
   });
@@ -76,7 +78,7 @@ function core(resources: DeployedProjectResource[] = DEPLOYED_RESOURCES): TestCo
 describe("project invoke picker", () => {
   test("lists only resources present in the deployed target", async () => {
     const screen = renderScreen("/agentcore/project/invoke", {
-      core: core([{ resourceType: "harness", name: "support", id: "harness-123" }]),
+      core: core([{ resourceType: "harness", name: "support", id: "harness-123", target: TARGET }]),
       withContext: (ctx) => ctx.withValue(ProjectKey, project),
     });
 
diff --git a/src/handlers/project/types.ts b/src/handlers/project/types.ts
index 8fad8a811..5b0b2e7b2 100644
--- a/src/handlers/project/types.ts
+++ b/src/handlers/project/types.ts
@@ -145,19 +145,15 @@ export type ResolveDeployedResourcesInput = {
   target: string;
 };
 
-export type DeployedProjectResource = {
+export type ResolvedDeployedResource = {
   resourceType: ProjectInvokableResource;
   name: string;
   id: string;
-};
-
-export type ResolvedDeployedResource = {
-  id: string;
   target: AwsDeploymentTarget;
 };
 
 export type ResolvedDeployedResources = {
-  resources: DeployedProjectResource[];
+  resources: ResolvedDeployedResource[];
   target: AwsDeploymentTarget;
 };