diff --git a/.changeset/calm-local-turns.md b/.changeset/calm-local-turns.md
new file mode 100644
index 0000000000..3d15afbf6d
--- /dev/null
+++ b/.changeset/calm-local-turns.md
@@ -0,0 +1,5 @@
+---
+"eve": patch
+---
+
+Prevent long local Workflow deliveries from timing out and replaying an in-flight turn. Explicit local delivery timeout overrides continue to take precedence.
diff --git a/packages/eve/src/internal/application/compiled-artifacts.test.ts b/packages/eve/src/internal/application/compiled-artifacts.test.ts
index 3dff1e8d6c..16693195e4 100644
--- a/packages/eve/src/internal/application/compiled-artifacts.test.ts
+++ b/packages/eve/src/internal/application/compiled-artifacts.test.ts
@@ -37,6 +37,10 @@ describe("createWorkflowWorldPluginSource", () => {
 
     expect(source).toContain("/compiled/@workflow/world-local/index.js");
     expect(source).toContain("resolveLocalWorkflowWorldDataDirectory(process.cwd())");
+    expect(source).toContain("applyLocalWorkflowWorldDeliveryTimeoutDefaults");
+    expect(source.indexOf("applyLocalWorkflowWorldDeliveryTimeoutDefaults();")).toBeLessThan(
+      source.indexOf("workflowWorldModule.createWorld"),
+    );
     expect(source).not.toContain("createWorldFromModule(workflowWorldModule)");
   });
 
diff --git a/packages/eve/src/internal/application/compiled-artifacts.ts b/packages/eve/src/internal/application/compiled-artifacts.ts
index fe60097b7b..bf52cb37ba 100644
--- a/packages/eve/src/internal/application/compiled-artifacts.ts
+++ b/packages/eve/src/internal/application/compiled-artifacts.ts
@@ -304,12 +304,17 @@ function resolveWorkflowWorldWiring(packageName: string): WorkflowWorldWiring {
     const dataDirectoryImportSpecifier = stringifyEsmImportSpecifier(
       resolvePackageSourceFilePath("src/internal/workflow/local-world-data-directory.ts"),
     );
+    const deliveryTimeoutsImportSpecifier = stringifyEsmImportSpecifier(
+      resolvePackageSourceFilePath("src/internal/workflow/local-world-delivery-timeouts.ts"),
+    );
     const moduleImportSpecifier = resolvePackageCompiledFilePath(
       `src/compiled/${packageName}/index.js`,
     );
     const importLines = `
+import { applyLocalWorkflowWorldDeliveryTimeoutDefaults } from ${deliveryTimeoutsImportSpecifier};
 import { resolveLocalWorkflowWorldDataDirectory } from ${dataDirectoryImportSpecifier};`.trimStart();
     const createWorldSource = `
+applyLocalWorkflowWorldDeliveryTimeoutDefaults();
 const workflowWorld = await workflowWorldModule.createWorld({
   dataDir: resolveLocalWorkflowWorldDataDirectory(process.cwd()),
 });`.trimStart();
diff --git a/packages/eve/src/internal/workflow/development-world-server.integration.test.ts b/packages/eve/src/internal/workflow/development-world-server.integration.test.ts
index 05620eb7e4..b426a71de4 100644
--- a/packages/eve/src/internal/workflow/development-world-server.integration.test.ts
+++ b/packages/eve/src/internal/workflow/development-world-server.integration.test.ts
@@ -34,6 +34,13 @@ const SECRET = "workflow-transport-secret";
 const RUN_ID = "wrun_01J00000000000000000000000";
 const AGENT_NAME = "workflow-world-test";
 const QUEUE_PREFIX = deriveEveWorkflowQueuePrefix(AGENT_NAME);
+const LOCAL_DELIVERY_TIMEOUT_ENV_NAMES = [
+  "WORKFLOW_LOCAL_BODY_TIMEOUT_MS",
+  "WORKFLOW_LOCAL_HEADERS_TIMEOUT_MS",
+] as const;
+const originalLocalDeliveryTimeoutEnv = new Map(
+  LOCAL_DELIVERY_TIMEOUT_ENV_NAMES.map((name) => [name, process.env[name]]),
+);
 
 const originalFetch = globalThis.fetch;
 
@@ -42,9 +49,46 @@ afterEach(() => {
   delete process.env[DEVELOPMENT_WORKFLOW_SECRET_ENV];
   delete process.env[DEVELOPMENT_WORKER_APP_ROOT_ENV];
   delete process.env.WORKFLOW_LOCAL_BASE_URL;
+  for (const name of LOCAL_DELIVERY_TIMEOUT_ENV_NAMES) {
+    const originalValue = originalLocalDeliveryTimeoutEnv.get(name);
+    if (originalValue === undefined) {
+      delete process.env[name];
+    } else {
+      process.env[name] = originalValue;
+    }
+  }
 });
 
 describe("parent development Workflow World", () => {
+  it("defaults local delivery timeouts to unbounded", async () => {
+    for (const name of LOCAL_DELIVERY_TIMEOUT_ENV_NAMES) {
+      delete process.env[name];
+    }
+    const appRoot = await createScratchDirectory("eve-parent-workflow-timeouts-");
+    const world = createWorld({ activeGenerationId: () => "generation-a", appRoot });
+
+    try {
+      expect(process.env.WORKFLOW_LOCAL_BODY_TIMEOUT_MS).toBe("0");
+      expect(process.env.WORKFLOW_LOCAL_HEADERS_TIMEOUT_MS).toBe("0");
+    } finally {
+      await world.close();
+    }
+  });
+
+  it("preserves explicit local delivery timeouts", async () => {
+    process.env.WORKFLOW_LOCAL_BODY_TIMEOUT_MS = "123";
+    process.env.WORKFLOW_LOCAL_HEADERS_TIMEOUT_MS = "456";
+    const appRoot = await createScratchDirectory("eve-parent-workflow-explicit-timeouts-");
+    const world = createWorld({ activeGenerationId: () => "generation-a", appRoot });
+
+    try {
+      expect(process.env.WORKFLOW_LOCAL_BODY_TIMEOUT_MS).toBe("123");
+      expect(process.env.WORKFLOW_LOCAL_HEADERS_TIMEOUT_MS).toBe("456");
+    } finally {
+      await world.close();
+    }
+  });
+
   it("stores local Workflow state under .eve/.workflow-data", async () => {
     const appRoot = await createScratchDirectory("eve-parent-workflow-data-dir-");
     const world = createWorld({ activeGenerationId: () => "generation-a", appRoot });
diff --git a/packages/eve/src/internal/workflow/development-world-server.ts b/packages/eve/src/internal/workflow/development-world-server.ts
index 0ce9fc980a..9144cbd979 100644
--- a/packages/eve/src/internal/workflow/development-world-server.ts
+++ b/packages/eve/src/internal/workflow/development-world-server.ts
@@ -9,6 +9,7 @@ import {
   LOCAL_WORKFLOW_WORLD_DATA_DIRECTORY_RELATIVE_PATH,
   resolveLocalWorkflowWorldDataDirectory,
 } from "#internal/workflow/local-world-data-directory.js";
+import { applyLocalWorkflowWorldDeliveryTimeoutDefaults } from "#internal/workflow/local-world-delivery-timeouts.js";
 import {
   decodeDevelopmentWorldValue,
   encodeDevelopmentWorldValue,
@@ -77,6 +78,7 @@ class LocalParentDevelopmentWorkflowWorld implements ParentDevelopmentWorkflowWo
     this.#appRoot = input.appRoot;
     this.#resolveActiveGenerationId = input.resolveActiveGenerationId;
     this.#transportSecret = input.transportSecret;
+    applyLocalWorkflowWorldDeliveryTimeoutDefaults();
     this.#world = createWorld({
       dataDir: resolveLocalWorkflowWorldDataDirectory(input.appRoot),
       recoverActiveRuns: false,
diff --git a/packages/eve/src/internal/workflow/local-world-delivery-timeouts.test.ts b/packages/eve/src/internal/workflow/local-world-delivery-timeouts.test.ts
new file mode 100644
index 0000000000..1f6ee1a18e
--- /dev/null
+++ b/packages/eve/src/internal/workflow/local-world-delivery-timeouts.test.ts
@@ -0,0 +1,28 @@
+import { describe, expect, it } from "vitest";
+
+import { applyLocalWorkflowWorldDeliveryTimeoutDefaults } from "#internal/workflow/local-world-delivery-timeouts.js";
+
+describe("applyLocalWorkflowWorldDeliveryTimeoutDefaults", () => {
+  it("defaults unset and empty local delivery timeouts to unbounded", () => {
+    const env: Record<string, string | undefined> = {
+      WORKFLOW_LOCAL_HEADERS_TIMEOUT_MS: "",
+    };
+
+    applyLocalWorkflowWorldDeliveryTimeoutDefaults(env);
+
+    expect(env.WORKFLOW_LOCAL_BODY_TIMEOUT_MS).toBe("0");
+    expect(env.WORKFLOW_LOCAL_HEADERS_TIMEOUT_MS).toBe("0");
+  });
+
+  it("preserves explicit local delivery timeouts", () => {
+    const env: Record<string, string | undefined> = {
+      WORKFLOW_LOCAL_BODY_TIMEOUT_MS: "123",
+      WORKFLOW_LOCAL_HEADERS_TIMEOUT_MS: "456",
+    };
+
+    applyLocalWorkflowWorldDeliveryTimeoutDefaults(env);
+
+    expect(env.WORKFLOW_LOCAL_BODY_TIMEOUT_MS).toBe("123");
+    expect(env.WORKFLOW_LOCAL_HEADERS_TIMEOUT_MS).toBe("456");
+  });
+});
diff --git a/packages/eve/src/internal/workflow/local-world-delivery-timeouts.ts b/packages/eve/src/internal/workflow/local-world-delivery-timeouts.ts
new file mode 100644
index 0000000000..22e001d7fc
--- /dev/null
+++ b/packages/eve/src/internal/workflow/local-world-delivery-timeouts.ts
@@ -0,0 +1,20 @@
+const LOCAL_WORKFLOW_DELIVERY_TIMEOUT_ENV_NAMES = [
+  "WORKFLOW_LOCAL_BODY_TIMEOUT_MS",
+  "WORKFLOW_LOCAL_HEADERS_TIMEOUT_MS",
+] as const;
+
+/**
+ * Disables world-local's delivery deadlines unless the operator supplied an
+ * override. world-local snapshots these values when `createWorld()` constructs
+ * its queue and supports `0` as an unbounded timeout. Without this default, a
+ * long inline turn can be retried while its original provider call is active.
+ */
+export function applyLocalWorkflowWorldDeliveryTimeoutDefaults(
+  env: Record<string, string | undefined> = process.env as Record<string, string | undefined>,
+): void {
+  for (const name of LOCAL_WORKFLOW_DELIVERY_TIMEOUT_ENV_NAMES) {
+    if (env[name] === undefined || env[name] === "") {
+      env[name] = "0";
+    }
+  }
+}