diff --git a/app/web/components/StoriesPage.tsx b/app/web/components/StoriesPage.tsx
index 228ad1d..cc892f8 100644
--- a/app/web/components/StoriesPage.tsx
+++ b/app/web/components/StoriesPage.tsx
@@ -302,7 +302,7 @@ export function StoriesPage({ token, authFetch }: StoriesPageProps) {
         setPublishProgress("");
       }, 3000);
     }
-  }, [authFetch]);
+  }, [authFetch, storyContentTypes, walletAddress]);
 
   const handleDestroySession = useCallback((name: string) => {
     if (name.startsWith("_new_")) {
diff --git a/app/web/components/publish-callback.test.tsx b/app/web/components/publish-callback.test.tsx
new file mode 100644
index 0000000..7aa99fa
--- /dev/null
+++ b/app/web/components/publish-callback.test.tsx
@@ -0,0 +1,82 @@
+import { describe, it, expect, vi, afterEach } from "vitest";
+import { render, screen, cleanup, fireEvent, act } from "@testing-library/react";
+import { useState, useCallback } from "react";
+import { getContentTypeForPublish } from "../lib/publish-helpers";
+
+afterEach(cleanup);
+
+function TestPublishComponent({ authFetch }: { authFetch: (url: string, opts?: RequestInit) => void }) {
+  const [storyContentTypes, setStoryContentTypes] = useState<Record<string, string>>({});
+
+  const handlePublish = useCallback((storyName: string, storylineId: number | undefined) => {
+    const ct = getContentTypeForPublish(storyContentTypes, storyName, storylineId);
+    const payload = { storyName, ...(ct ? { contentType: ct } : {}) };
+    authFetch("/api/publish/file", {
+      method: "POST",
+      body: JSON.stringify(payload),
+    });
+  }, [authFetch, storyContentTypes]);
+
+  return (
+    <div>
+      <button onClick={() => setStoryContentTypes({ "cartoon-story": "cartoon" })} data-testid="set-cartoon">
+        Set Cartoon
+      </button>
+      <button onClick={() => handlePublish("cartoon-story", undefined)} data-testid="publish-genesis">
+        Publish Genesis
+      </button>
+      <button onClick={() => handlePublish("cartoon-story", 42)} data-testid="publish-plot">
+        Publish Plot
+      </button>
+    </div>
+  );
+}
+
+describe("StoriesPage.handlePublish dependency array (source guard)", () => {
+  it("production handlePublish includes storyContentTypes and walletAddress in deps", async () => {
+    const fs = await import("fs");
+    const path = await import("path");
+    const source = fs.readFileSync(
+      path.resolve(__dirname, "StoriesPage.tsx"),
+      "utf-8",
+    );
+
+    const handlePublishMatch = source.match(
+      /const handlePublish = useCallback\([\s\S]*?\}, \[([^\]]+)\]\)/,
+    );
+    expect(handlePublishMatch).toBeTruthy();
+    const deps = handlePublishMatch![1];
+    expect(deps).toContain("storyContentTypes");
+    expect(deps).toContain("walletAddress");
+  });
+});
+
+describe("publish callback boundary (stale closure regression)", () => {
+  it("cartoon genesis includes contentType after metadata update", () => {
+    const authFetch = vi.fn();
+    render(<TestPublishComponent authFetch={authFetch} />);
+
+    fireEvent.click(screen.getByTestId("publish-genesis"));
+    expect(authFetch).toHaveBeenCalledTimes(1);
+    const firstPayload = JSON.parse(authFetch.mock.calls[0][1].body);
+    expect(firstPayload.contentType).toBeUndefined();
+
+    act(() => { fireEvent.click(screen.getByTestId("set-cartoon")); });
+
+    fireEvent.click(screen.getByTestId("publish-genesis"));
+    expect(authFetch).toHaveBeenCalledTimes(2);
+    const secondPayload = JSON.parse(authFetch.mock.calls[1][1].body);
+    expect(secondPayload.contentType).toBe("cartoon");
+  });
+
+  it("cartoon plot omits contentType even after metadata update", () => {
+    const authFetch = vi.fn();
+    render(<TestPublishComponent authFetch={authFetch} />);
+
+    act(() => { fireEvent.click(screen.getByTestId("set-cartoon")); });
+    fireEvent.click(screen.getByTestId("publish-plot"));
+
+    const payload = JSON.parse(authFetch.mock.calls[0][1].body);
+    expect(payload.contentType).toBeUndefined();
+  });
+});
diff --git a/app/web/lib/publish-helpers.test.ts b/app/web/lib/publish-helpers.test.ts
index 2ffca99..9ad3288 100644
--- a/app/web/lib/publish-helpers.test.ts
+++ b/app/web/lib/publish-helpers.test.ts
@@ -21,4 +21,19 @@ describe("getContentTypeForPublish", () => {
   it("returns undefined for unknown story", () => {
     expect(getContentTypeForPublish({}, "unknown", undefined)).toBeUndefined();
   });
+
+  it("returns cartoon after metadata update (simulates stale closure fix)", () => {
+    let storyContentTypes: Record<string, string> = {};
+
+    const buildPayload = (storyName: string, storylineId: number | undefined) => {
+      const ct = getContentTypeForPublish(storyContentTypes, storyName, storylineId);
+      return ct ? { contentType: ct } : {};
+    };
+
+    expect(buildPayload("my-cartoon", undefined)).toEqual({});
+
+    storyContentTypes = { "my-cartoon": "cartoon" };
+
+    expect(buildPayload("my-cartoon", undefined)).toEqual({ contentType: "cartoon" });
+  });
 });