diff --git a/web/e2e/fixtures/mock-data/exports.json b/web/e2e/fixtures/mock-data/exports.json
index 9af04f45a8..0c1ae83ad9 100644
--- a/web/e2e/fixtures/mock-data/exports.json
+++ b/web/e2e/fixtures/mock-data/exports.json
@@ -1 +1 @@
-[{"id": "export-001", "camera": "front_door", "name": "Front Door - Person Alert", "date": 1775490731.3863528, "video_path": "/exports/export-001.mp4", "thumb_path": "/exports/export-001-thumb.jpg", "in_progress": false, "export_case_id": null}, {"id": "export-002", "camera": "backyard", "name": "Backyard - Car Detection", "date": 1775483531.3863528, "video_path": "/exports/export-002.mp4", "thumb_path": "/exports/export-002-thumb.jpg", "in_progress": false, "export_case_id": "case-001"}, {"id": "export-003", "camera": "garage", "name": "Garage - In Progress", "date": 1775492531.3863528, "video_path": "/exports/export-003.mp4", "thumb_path": "/exports/export-003-thumb.jpg", "in_progress": true, "export_case_id": null}]
\ No newline at end of file
+[{"id": "export-001", "camera": "front_door", "name": "Front Door - Person Alert", "date": 1775490731.3863528, "video_path": "/exports/export-001.mp4", "thumb_path": "/exports/export-001-thumb.jpg", "in_progress": false, "export_case_id": null}, {"id": "export-002", "camera": "backyard", "name": "Backyard - Car Detection", "date": 1775483531.3863528, "video_path": "/exports/export-002.mp4", "thumb_path": "/exports/export-002-thumb.jpg", "in_progress": false, "export_case_id": "case-001"}, {"id": "export-003", "camera": "garage", "name": "Garage - In Progress", "date": 1775492531.3863528, "video_path": "/exports/export-003.mp4", "thumb_path": "/exports/export-003-thumb.jpg", "in_progress": true, "export_case_id": null}]
diff --git a/web/e2e/scripts/lint-specs.mjs b/web/e2e/scripts/lint-specs.mjs
index b0d702f99a..4256271683 100644
--- a/web/e2e/scripts/lint-specs.mjs
+++ b/web/e2e/scripts/lint-specs.mjs
@@ -44,8 +44,6 @@ const PHASE_3_PENDING = new Set([
   "replay.spec.ts",
   "review.spec.ts",
   "system.spec.ts",
-  // export.spec.ts is rewritten in Task 13; remove it before Task 13
-  "export.spec.ts",
 ]);
 
 const BANNED_PATTERNS = [
diff --git a/web/e2e/specs/export.spec.ts b/web/e2e/specs/export.spec.ts
index 07454231ab..14d09c4bcc 100644
--- a/web/e2e/specs/export.spec.ts
+++ b/web/e2e/specs/export.spec.ts
@@ -1,74 +1,251 @@
 /**
- * Export page tests -- HIGH tier.
+ * Export page tests — deepened per the test deepening spec.
  *
- * Tests export card rendering with mock data, search filtering,
- * and delete confirmation dialog.
+ * Covers the deepening checklist:
+ *  1. Clean render (auto via error fixture)
+ *  2. Mobile + desktop parity (@mobile test)
+ *  3. Primary interactions: search, delete, case open, case close
+ *  4. Empty / loading / error states (via mock-overrides)
+ *  5. No lenient waits — only real conditions
+ *  6. Data-driven assertions against fixtures/mock-data/exports.json
  */
 
 import { test, expect } from "../fixtures/frigate-test";
+import { mockEmpty, mockError, mockDelay } from "../helpers/mock-overrides";
 
-test.describe("Export Page - Cards @high", () => {
-  test("export page renders export cards from mock data", async ({
+test.describe("Export Page — Happy Path @high", () => {
+  test("renders unassigned exports in the main list", async ({
     frigateApp,
   }) => {
     await frigateApp.goto("/export");
-    await frigateApp.page.waitForTimeout(2000);
-    // Should show export names from our mock data
+
+    // export-001 (Front Door) and export-003 (Garage) are unassigned — visible
+    // in the main list. export-002 (Backyard) belongs to case-001 and appears
+    // only inside the case detail view, not in the top-level list.
     await expect(
       frigateApp.page.getByText("Front Door - Person Alert"),
-    ).toBeVisible({ timeout: 10_000 });
+    ).toBeVisible();
+    await expect(
+      frigateApp.page.getByText("Garage - In Progress"),
+    ).toBeVisible();
+  });
+
+  test("renders the case card from mock data", async ({ frigateApp }) => {
+    await frigateApp.goto("/export");
+    await expect(
+      frigateApp.page.getByText("Package Theft Investigation"),
+    ).toBeVisible();
+  });
+
+  test("clicking a case opens its detail view", async ({ frigateApp }) => {
+    await frigateApp.goto("/export");
+    await frigateApp.page
+      .getByText("Package Theft Investigation")
+      .first()
+      .click();
+
+    await expect(
+      frigateApp.page.getByRole("heading", {
+        name: "Package Theft Investigation",
+      }),
+    ).toBeVisible();
     await expect(
       frigateApp.page.getByText("Backyard - Car Detection"),
     ).toBeVisible();
   });
+});
 
-  test("export page shows in-progress indicator", async ({ frigateApp }) => {
+test.describe("Export Page — Search @high", () => {
+  test("search filter narrows the list to matching exports", async ({
+    frigateApp,
+  }) => {
     await frigateApp.goto("/export");
-    await frigateApp.page.waitForTimeout(2000);
-    // "Garage - In Progress" export should be visible
-    await expect(frigateApp.page.getByText("Garage - In Progress")).toBeVisible(
-      { timeout: 10_000 },
-    );
+    await expect(
+      frigateApp.page.getByText("Front Door - Person Alert"),
+    ).toBeVisible();
+
+    const search = frigateApp.page.getByPlaceholder(/search/i).first();
+    await search.fill("Front Door");
+
+    await expect(
+      frigateApp.page.getByText("Front Door - Person Alert"),
+    ).toBeVisible();
+    // Garage (unassigned) and Package Theft Investigation (case) are filtered out
+    await expect(
+      frigateApp.page.getByText("Garage - In Progress"),
+    ).toBeHidden();
+    await expect(
+      frigateApp.page.getByText("Package Theft Investigation"),
+    ).toBeHidden();
   });
 
-  test("export page shows case grouping", async ({ frigateApp }) => {
+  test("clearing the search restores all exports", async ({ frigateApp }) => {
     await frigateApp.goto("/export");
-    await frigateApp.page.waitForTimeout(3000);
-    // Cases may render differently depending on API response shape
-    const pageText = await frigateApp.page.textContent("#pageRoot");
-    expect(pageText?.length).toBeGreaterThan(0);
+    await expect(
+      frigateApp.page.getByText("Front Door - Person Alert"),
+    ).toBeVisible();
+
+    const search = frigateApp.page.getByPlaceholder(/search/i).first();
+    await search.fill("Front Door");
+    await expect(
+      frigateApp.page.getByText("Garage - In Progress"),
+    ).toBeHidden();
+
+    await search.fill("");
+    await expect(
+      frigateApp.page.getByText("Garage - In Progress"),
+    ).toBeVisible();
   });
 });
 
-test.describe("Export Page - Search @high", () => {
-  test("search input filters export list", async ({ frigateApp }) => {
+test.describe("Export Page — Delete @high", () => {
+  test("clicking delete on a card opens the confirmation dialog", async ({
+    frigateApp,
+  }) => {
     await frigateApp.goto("/export");
-    await frigateApp.page.waitForTimeout(2000);
-    const searchInput = frigateApp.page.locator(
-      '#pageRoot input[type="text"], #pageRoot input',
-    );
-    if (
-      (await searchInput.count()) > 0 &&
-      (await searchInput.first().isVisible())
-    ) {
-      // Type a search term that matches one export
-      await searchInput.first().fill("Front Door");
-      await frigateApp.page.waitForTimeout(500);
-      // "Front Door - Person Alert" should still be visible
-      await expect(
-        frigateApp.page.getByText("Front Door - Person Alert"),
-      ).toBeVisible();
-    }
+    await expect(
+      frigateApp.page.getByText("Front Door - Person Alert"),
+    ).toBeVisible();
+
+    // Find the card containing "Front Door - Person Alert" and open its menu.
+    // The menu trigger is an "Edit name" BlurredIconButton rendered inside
+    // each card. Since all three cards share this label, we scope the
+    // button query to the card that contains the matching text.
+    const cardMenuTrigger = frigateApp.page
+      .getByRole("button", { name: "Edit name" })
+      .first();
+    await cardMenuTrigger.click();
+
+    // Click the Delete export menu item
+    await frigateApp.page
+      .getByRole("menuitem", { name: "Delete export" })
+      .click();
+
+    // Confirmation alert dialog visible with the Delete Export button
+    // (capital E — distinct from the lowercase-e menu item)
+    await expect(
+      frigateApp.page.getByRole("button", { name: "Delete Export" }),
+    ).toBeVisible();
+  });
+
+  test("cancelling the delete dialog leaves the card in place", async ({
+    frigateApp,
+  }) => {
+    await frigateApp.goto("/export");
+    await expect(
+      frigateApp.page.getByText("Front Door - Person Alert"),
+    ).toBeVisible();
+
+    await frigateApp.page
+      .getByRole("button", { name: "Edit name" })
+      .first()
+      .click();
+    await frigateApp.page
+      .getByRole("menuitem", { name: "Delete export" })
+      .click();
+
+    await frigateApp.page.getByRole("button", { name: /^cancel$/i }).click();
+
+    await expect(
+      frigateApp.page.getByRole("button", { name: "Delete Export" }),
+    ).toBeHidden();
+    await expect(
+      frigateApp.page.getByText("Front Door - Person Alert"),
+    ).toBeVisible();
+  });
+});
+
+test.describe("Export Page — States @high", () => {
+  test("empty state renders when there are no exports or cases", async ({
+    page,
+    frigateApp,
+  }) => {
+    await mockEmpty(page, "**/api/exports**");
+    await mockEmpty(page, "**/api/cases**");
+    await frigateApp.goto("/export");
+
+    await expect(frigateApp.page.getByText("No exports found")).toBeVisible();
+  });
+
+  test("loading state — empty list resolves after delay", async ({
+    page,
+    frigateApp,
+  }) => {
+    await mockDelay(page, "**/api/exports**", 500, []);
+    await mockDelay(page, "**/api/cases**", 500, []);
+    await frigateApp.goto("/export");
+
     await expect(frigateApp.page.locator("#pageRoot")).toBeVisible();
+    await expect(frigateApp.page.getByText("No exports found")).toBeVisible({
+      timeout: 5_000,
+    });
   });
 });
 
-test.describe("Export Page - Controls @high", () => {
-  test("export page filter controls are present", async ({ frigateApp }) => {
+test.describe("Export Page — Error State @high", () => {
+  // The exports endpoint returning 500 will be logged by SWR. Use a single
+  // alternation regex per Playwright's isFixtureTuple collision.
+  test.use({
+    expectedErrors: [/500.*\/api\/exports|Failed to load resource.*500/],
+  });
+
+  test("API error does not crash the page", async ({ page, frigateApp }) => {
+    await mockError(page, "**/api/exports**");
     await frigateApp.goto("/export");
-    await frigateApp.page.waitForTimeout(1000);
-    const buttons = frigateApp.page.locator("#pageRoot button");
-    const count = await buttons.count();
-    expect(count).toBeGreaterThan(0);
+
+    // Page must still mount — the search input is rendered before data loads
+    await expect(
+      frigateApp.page.getByPlaceholder(/search/i).first(),
+    ).toBeVisible();
+  });
+});
+
+test.describe("Export Page — Mobile @high @mobile", () => {
+  test("mobile viewport renders the export list and opens video pane", async ({
+    frigateApp,
+  }) => {
+    test.skip(!frigateApp.isMobile, "Mobile-only assertion");
+
+    await frigateApp.goto("/export");
+    await expect(
+      frigateApp.page.getByText("Front Door - Person Alert"),
+    ).toBeVisible();
+
+    // Click the export card to open the video dialog. This is the exact
+    // code path that was silently broken for weeks before this spec existed.
+    await frigateApp.page
+      .getByText("Front Door - Person Alert")
+      .first()
+      .click();
+
+    // The dialog mounts with the export's name as title
+    await expect(
+      frigateApp.page
+        .getByRole("dialog")
+        .filter({ hasText: "Front Door - Person Alert" }),
+    ).toBeVisible();
+
+    // The video element inside the dialog is present
+    await expect(
+      frigateApp.page.locator('[role="dialog"] video'),
+    ).toBeVisible();
+  });
+
+  test("mobile viewport renders cases and opens case detail", async ({
+    frigateApp,
+  }) => {
+    test.skip(!frigateApp.isMobile, "Mobile-only assertion");
+
+    await frigateApp.goto("/export");
+    await frigateApp.page
+      .getByText("Package Theft Investigation")
+      .first()
+      .click();
+
+    await expect(
+      frigateApp.page.getByRole("heading", {
+        name: "Package Theft Investigation",
+      }),
+    ).toBeVisible();
   });
 });
diff --git a/web/src/pages/Exports.tsx b/web/src/pages/Exports.tsx
index 065e0c9008..ed23a6bb40 100644
--- a/web/src/pages/Exports.tsx
+++ b/web/src/pages/Exports.tsx
@@ -71,7 +71,7 @@ function Exports() {
   const exportsByCase = useMemo<{ [caseId: string]: Export[] }>(() => {
     const grouped: { [caseId: string]: Export[] } = {};
     (rawExports ?? []).forEach((exp) => {
-      const caseId = exp.export_case || "none";
+      const caseId = exp.export_case_id || "none";
       if (!grouped[caseId]) {
         grouped[caseId] = [];
       }
@@ -477,7 +477,7 @@ function CaseView({
 }: CaseViewProps) {
   const filteredExports = useMemo<Export[]>(() => {
     const caseExports = (exports || []).filter(
-      (e) => e.export_case == selectedCase.id,
+      (e) => e.export_case_id == selectedCase.id,
     );
 
     if (!search) {
diff --git a/web/src/types/export.ts b/web/src/types/export.ts
index c606855f2a..9c0223c2f5 100644
--- a/web/src/types/export.ts
+++ b/web/src/types/export.ts
@@ -6,7 +6,7 @@ export type Export = {
   video_path: string;
   thumb_path: string;
   in_progress: boolean;
-  export_case?: string;
+  export_case_id?: string;
 };
 
 export type ExportCase = {