diff --git a/apps/web/package.json b/apps/web/package.json
index 5b5a910..fb31b00 100644
--- a/apps/web/package.json
+++ b/apps/web/package.json
@@ -35,5 +35,6 @@
   "jsdom": "^25.0.0",
   "@testing-library/svelte": "^5.0.0",
   "@testing-library/jest-dom": "^6.4.2"
+  ,"@types/node": "^20.16.11"
   }
 }
diff --git a/apps/web/playwright.config.ts b/apps/web/playwright.config.ts
index 55c2617..beb9c07 100644
--- a/apps/web/playwright.config.ts
+++ b/apps/web/playwright.config.ts
@@ -1,4 +1,10 @@
 import { defineConfig, devices } from '@playwright/test';
+import { fileURLToPath } from 'url';
+import { dirname } from 'path';
+
+// ESM-compatible __dirname
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
 
 export default defineConfig({
   testDir: './tests/e2e',
@@ -11,7 +17,8 @@ export default defineConfig({
     trace: 'on-first-retry'
   },
   webServer: {
-    command: 'pnpm preview',
+    // Build then preview to ensure static output exists
+    command: 'pnpm build && pnpm preview',
     cwd: __dirname,
     port: 4173,
     reuseExistingServer: !process.env.CI
diff --git a/apps/web/tests/e2e/smoke.export-import.spec.ts b/apps/web/tests/e2e/smoke.export-import.spec.ts
new file mode 100644
index 0000000..59e8a37
--- /dev/null
+++ b/apps/web/tests/e2e/smoke.export-import.spec.ts
@@ -0,0 +1,179 @@
+import { test, expect } from '@playwright/test';
+
+// Helper to capture a coarse, implementation-agnostic grid fingerprint
+// We use data attributes if present; otherwise fall back to textContent/HTML
+async function captureGridFingerprint(page: import('@playwright/test').Page) {
+  const tiles = page.locator('[data-testid="day-tile"]');
+  const count = await tiles.count();
+  const max = Math.min(count, 60); // limit to first ~2 months worth to keep payload small
+  const data: Array<Record<string, string | number | null>> = [];
+  for (let i = 0; i < max; i++) {
+    const t = tiles.nth(i);
+    const handle = await t.elementHandle();
+    if (!handle) continue;
+    const entry = await page.evaluate((el) => {
+      const attr = (name: string) => el.getAttribute(name);
+      const selCount = (sel: string) => el.querySelectorAll(sel).length;
+      return {
+        idx: (el as HTMLElement).dataset['index'] ?? String(i),
+        date: attr('data-date') ?? null,
+        net: attr('data-net-score') ?? null,
+        hue: attr('data-mood-hue') ?? null,
+        posGlyphs: selCount('[data-testid="positive-glyphs"] [data-testid="tick"]'),
+        negGlyphs: selCount('[data-testid="negative-glyphs"] [data-testid="dot"]'),
+        aria: el.getAttribute('aria-label'),
+      };
+    }, handle);
+    data.push(entry);
+  }
+  return data;
+}
+
+test.describe('Export/Import JSON roundtrip', () => {
+  test('creates days, exports JSON, clears DB, imports JSON, grid identical', async ({ page, context, browserName }) => {
+    await page.goto('/');
+    await expect(page.getByRole('heading', { level: 1 })).toHaveText(/GlowTrack/i);
+
+    // Ensure at least one tile is present
+    const firstTile = page.locator('[data-testid="day-tile"]').first();
+    await expect(firstTile).toBeVisible();
+
+    // Step 1: Create a couple of day entries to have non-empty state
+    // Day 1: +Exercise, mood hue ~ 120
+    await firstTile.click();
+    const hueInput = page.locator('[data-testid="mood-hue-slider"]');
+    if (await hueInput.isVisible()) {
+      await hueInput.fill('120');
+    }
+    const addPos = page.locator('[data-testid="add-positive-habit"]');
+    if (await addPos.isVisible()) {
+      await addPos.click();
+      const habitInput = page.locator('[data-testid="habit-input"]');
+      if (await habitInput.isVisible()) {
+        await habitInput.fill('Exercise');
+        await page.keyboard.press('Enter');
+      }
+    }
+    const save = page.locator('[data-testid="save-day"]');
+    const close = page.locator('[data-testid="close-editor"]');
+    if (await save.isVisible()) {
+      await save.click();
+    } else if (await close.isVisible()) {
+      await close.click();
+    } else {
+      await page.click('body');
+    }
+
+    // Day 2: -Procrastination
+    const secondTile = page.locator('[data-testid="day-tile"]').nth(1);
+    if (await secondTile.isVisible()) {
+      await secondTile.click();
+      const addNeg = page.locator('[data-testid="add-negative-habit"]');
+      if (await addNeg.isVisible()) {
+        await addNeg.click();
+        const habitInput = page.locator('[data-testid="habit-input"]');
+        if (await habitInput.isVisible()) {
+          await habitInput.fill('Procrastination');
+          await page.keyboard.press('Enter');
+        }
+      }
+      if (await save.isVisible()) {
+        await save.click();
+      } else if (await close.isVisible()) {
+        await close.click();
+      } else {
+        await page.click('body');
+      }
+    }
+
+    // Capture fingerprint BEFORE export
+    const before = await captureGridFingerprint(page);
+    expect(before.length).toBeGreaterThan(0);
+
+    // Step 2: Export JSON
+    const exportBtn = page.locator('[data-testid="export-json"], button:has-text("Export JSON"), [aria-label="Export JSON"]');
+    await expect(exportBtn).toBeVisible();
+    const downloadPromise = page.waitForEvent('download');
+    await exportBtn.click();
+  const download = await downloadPromise;
+  const suggested = download.suggestedFilename();
+  const filePath = await download.path();
+  expect(filePath).toBeTruthy();
+  // We don't parse here to avoid Node type deps; presence of a file is enough.
+
+    // Step 3: Clear IndexedDB and any cached state, then reload
+    await page.evaluate(async () => {
+      try {
+        // Best-effort clear for known DB name; ignore errors
+        const deleteDb = (name: string) => new Promise<void>((res) => { const req = indexedDB.deleteDatabase(name); req.onsuccess = () => res(); req.onerror = () => res(); req.onblocked = () => res(); });
+        try { await deleteDb('glowtrack'); } catch {}
+        // Attempt to enumerate all DBs if supported
+        // @ts-ignore - databases() is not in older TS DOM libs
+        const dbs = (await indexedDB.databases?.()) || [];
+        for (const db of dbs) {
+          if (db && db.name) {
+            try { await deleteDb(db.name); } catch {}
+          }
+        }
+      } catch {}
+      try { localStorage.clear(); } catch {}
+      try { sessionStorage.clear(); } catch {}
+      // Clear any caches (PWA)
+      try {
+        const keys = await caches.keys();
+        await Promise.all(keys.map((k) => caches.delete(k)));
+      } catch {}
+    });
+    await page.reload();
+    await expect(page.getByRole('heading', { level: 1 })).toHaveText(/GlowTrack/i);
+
+    // Expect state to be different after clearing (very likely empty/default)
+    const afterClear = await captureGridFingerprint(page);
+    // If app shows an empty grid with same number of tiles and no attributes,
+    // at least one of the first two tiles should differ by net/hue/glyphs
+    let differs = false;
+    const minLen = Math.min(before.length, afterClear.length);
+    for (let i = 0; i < Math.min(minLen, 2); i++) {
+      const a = before[i];
+      const b = afterClear[i];
+      if (a.net !== b.net || a.hue !== b.hue || a.posGlyphs !== b.posGlyphs || a.negGlyphs !== b.negGlyphs) {
+        differs = true;
+        break;
+      }
+    }
+    expect(differs).toBeTruthy();
+
+    // Step 4: Import the previously exported JSON
+    const importBtn = page.locator('[data-testid="import-json"], button:has-text("Import JSON"), [aria-label="Import JSON"]');
+    await expect(importBtn).toBeVisible();
+
+    // Prefer setting a hidden file input directly if present
+    const input = page.locator('input[type="file"][accept*="json"], input[type="file"][data-testid="import-file-input"]');
+    if (await input.count()) {
+      await input.first().setInputFiles(filePath!);
+    } else {
+      const chooserPromise = page.waitForEvent('filechooser');
+      await importBtn.click();
+      const chooser = await chooserPromise;
+      await chooser.setFiles(filePath!);
+    }
+
+    // Give the app a moment to process the import and update UI
+    await page.waitForTimeout(250);
+
+    // Step 5: Verify the grid fingerprint matches the one before export
+    const afterImport = await captureGridFingerprint(page);
+
+    // Compare shallowly for first N records
+    const n = Math.min(before.length, afterImport.length, 30);
+    for (let i = 0; i < n; i++) {
+      const a = before[i];
+      const b = afterImport[i];
+      expect(b.net).toBe(a.net);
+      expect(b.hue).toBe(a.hue);
+      expect(b.posGlyphs).toBe(a.posGlyphs);
+      expect(b.negGlyphs).toBe(a.negGlyphs);
+      // aria and date are optional comparisons
+    }
+  });
+});
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 53a5929..50a9f36 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -35,13 +35,13 @@ importers:
         version: 1.55.0
       '@sveltejs/adapter-static':
         specifier: ^3.0.0
-        version: 3.0.9(@sveltejs/kit@2.42.1(@sveltejs/vite-plugin-svelte@3.1.2(svelte@4.2.20)(vite@5.4.20))(svelte@4.2.20)(vite@5.4.20))
+        version: 3.0.9(@sveltejs/kit@2.42.1(@sveltejs/vite-plugin-svelte@3.1.2(svelte@4.2.20)(vite@5.4.20(@types/node@20.19.17)))(svelte@4.2.20)(vite@5.4.20(@types/node@20.19.17)))
       '@sveltejs/kit':
         specifier: ^2.5.0
-        version: 2.42.1(@sveltejs/vite-plugin-svelte@3.1.2(svelte@4.2.20)(vite@5.4.20))(svelte@4.2.20)(vite@5.4.20)
+        version: 2.42.1(@sveltejs/vite-plugin-svelte@3.1.2(svelte@4.2.20)(vite@5.4.20(@types/node@20.19.17)))(svelte@4.2.20)(vite@5.4.20(@types/node@20.19.17))
       '@sveltejs/vite-plugin-svelte':
         specifier: ^3.0.2
-        version: 3.1.2(svelte@4.2.20)(vite@5.4.20)
+        version: 3.1.2(svelte@4.2.20)(vite@5.4.20(@types/node@20.19.17))
       '@tailwindcss/forms':
         specifier: ^0.5.9
         version: 0.5.10(tailwindcss@3.4.17)
@@ -50,7 +50,10 @@ importers:
         version: 6.8.0
       '@testing-library/svelte':
         specifier: ^5.0.0
-        version: 5.2.8(svelte@4.2.20)(vite@5.4.20)(vitest@2.1.9(@vitest/ui@2.1.9)(jsdom@25.0.1))
+        version: 5.2.8(svelte@4.2.20)(vite@5.4.20(@types/node@20.19.17))(vitest@2.1.9(@types/node@20.19.17)(@vitest/ui@2.1.9)(jsdom@25.0.1))
+      '@types/node':
+        specifier: ^20.16.11
+        version: 20.19.17
       autoprefixer:
         specifier: ^10.4.20
         version: 10.4.21(postcss@8.5.6)
@@ -71,10 +74,10 @@ importers:
         version: 5.9.2
       vite:
         specifier: ^5.1.0
-        version: 5.4.20
+        version: 5.4.20(@types/node@20.19.17)
       vitest:
         specifier: ^2.1.1
-        version: 2.1.9(@vitest/ui@2.1.9)(jsdom@25.0.1)
+        version: 2.1.9(@types/node@20.19.17)(@vitest/ui@2.1.9)(jsdom@25.0.1)
 
   packages/storage:
     dependencies:
@@ -90,7 +93,7 @@ importers:
         version: 5.9.2
       vitest:
         specifier: ^2.1.1
-        version: 2.1.9(@vitest/ui@2.1.9)(jsdom@25.0.1)
+        version: 2.1.9(@types/node@20.19.17)(@vitest/ui@2.1.9)(jsdom@25.0.1)
 
   packages/viz:
     devDependencies:
@@ -105,7 +108,7 @@ importers:
         version: 5.9.2
       vitest:
         specifier: ^2.1.1
-        version: 2.1.9(@vitest/ui@2.1.9)(jsdom@25.0.1)
+        version: 2.1.9(@types/node@20.19.17)(@vitest/ui@2.1.9)(jsdom@25.0.1)
 
 packages:
 
@@ -554,6 +557,9 @@ packages:
   '@types/estree@1.0.8':
     resolution: {integrity: sha512-dWHzHa2WqEXI/O1E9OjrocMTKJl2mSrEolh1Iomrv6U+JuNwaHXsXx9bLu5gG7BUWFIN0skIQJQ/L1rIex4X6w==}
 
+  '@types/node@20.19.17':
+    resolution: {integrity: sha512-gfehUI8N1z92kygssiuWvLiwcbOB3IRktR6hTDgJlXMYh5OvkPSRmgfoBUmfZt+vhwJtX7v1Yw4KvvAf7c5QKQ==}
+
   '@types/pug@2.0.10':
     resolution: {integrity: sha512-Sk/uYFOBAB7mb74XcpizmH0KOR2Pv3D2Hmrh1Dmy5BmK3MpdSa5kqZcg6EKBdklU0bFXX9gCfzvpnyUehrPIuA==}
 
@@ -1743,6 +1749,9 @@ packages:
     engines: {node: '>=14.17'}
     hasBin: true
 
+  undici-types@6.21.0:
+    resolution: {integrity: sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ==}
+
   update-browserslist-db@1.1.3:
     resolution: {integrity: sha512-UxhIZQ+QInVdunkDAaiazvvT/+fXL5Osr0JZlJulepYu6Jd7qJtDZjlur0emRlT71EN3ScPoE7gvsuIKKNavKw==}
     hasBin: true
@@ -2163,15 +2172,15 @@ snapshots:
     dependencies:
       acorn: 8.15.0
 
-  '@sveltejs/adapter-static@3.0.9(@sveltejs/kit@2.42.1(@sveltejs/vite-plugin-svelte@3.1.2(svelte@4.2.20)(vite@5.4.20))(svelte@4.2.20)(vite@5.4.20))':
+  '@sveltejs/adapter-static@3.0.9(@sveltejs/kit@2.42.1(@sveltejs/vite-plugin-svelte@3.1.2(svelte@4.2.20)(vite@5.4.20(@types/node@20.19.17)))(svelte@4.2.20)(vite@5.4.20(@types/node@20.19.17)))':
     dependencies:
-      '@sveltejs/kit': 2.42.1(@sveltejs/vite-plugin-svelte@3.1.2(svelte@4.2.20)(vite@5.4.20))(svelte@4.2.20)(vite@5.4.20)
+      '@sveltejs/kit': 2.42.1(@sveltejs/vite-plugin-svelte@3.1.2(svelte@4.2.20)(vite@5.4.20(@types/node@20.19.17)))(svelte@4.2.20)(vite@5.4.20(@types/node@20.19.17))
 
-  '@sveltejs/kit@2.42.1(@sveltejs/vite-plugin-svelte@3.1.2(svelte@4.2.20)(vite@5.4.20))(svelte@4.2.20)(vite@5.4.20)':
+  '@sveltejs/kit@2.42.1(@sveltejs/vite-plugin-svelte@3.1.2(svelte@4.2.20)(vite@5.4.20(@types/node@20.19.17)))(svelte@4.2.20)(vite@5.4.20(@types/node@20.19.17))':
     dependencies:
       '@standard-schema/spec': 1.0.0
       '@sveltejs/acorn-typescript': 1.0.5(acorn@8.15.0)
-      '@sveltejs/vite-plugin-svelte': 3.1.2(svelte@4.2.20)(vite@5.4.20)
+      '@sveltejs/vite-plugin-svelte': 3.1.2(svelte@4.2.20)(vite@5.4.20(@types/node@20.19.17))
       '@types/cookie': 0.6.0
       acorn: 8.15.0
       cookie: 0.6.0
@@ -2184,28 +2193,28 @@ snapshots:
       set-cookie-parser: 2.7.1
       sirv: 3.0.2
       svelte: 4.2.20
-      vite: 5.4.20
+      vite: 5.4.20(@types/node@20.19.17)
 
-  '@sveltejs/vite-plugin-svelte-inspector@2.1.0(@sveltejs/vite-plugin-svelte@3.1.2(svelte@4.2.20)(vite@5.4.20))(svelte@4.2.20)(vite@5.4.20)':
+  '@sveltejs/vite-plugin-svelte-inspector@2.1.0(@sveltejs/vite-plugin-svelte@3.1.2(svelte@4.2.20)(vite@5.4.20(@types/node@20.19.17)))(svelte@4.2.20)(vite@5.4.20(@types/node@20.19.17))':
     dependencies:
-      '@sveltejs/vite-plugin-svelte': 3.1.2(svelte@4.2.20)(vite@5.4.20)
+      '@sveltejs/vite-plugin-svelte': 3.1.2(svelte@4.2.20)(vite@5.4.20(@types/node@20.19.17))
       debug: 4.4.3
       svelte: 4.2.20
-      vite: 5.4.20
+      vite: 5.4.20(@types/node@20.19.17)
     transitivePeerDependencies:
       - supports-color
 
-  '@sveltejs/vite-plugin-svelte@3.1.2(svelte@4.2.20)(vite@5.4.20)':
+  '@sveltejs/vite-plugin-svelte@3.1.2(svelte@4.2.20)(vite@5.4.20(@types/node@20.19.17))':
     dependencies:
-      '@sveltejs/vite-plugin-svelte-inspector': 2.1.0(@sveltejs/vite-plugin-svelte@3.1.2(svelte@4.2.20)(vite@5.4.20))(svelte@4.2.20)(vite@5.4.20)
+      '@sveltejs/vite-plugin-svelte-inspector': 2.1.0(@sveltejs/vite-plugin-svelte@3.1.2(svelte@4.2.20)(vite@5.4.20(@types/node@20.19.17)))(svelte@4.2.20)(vite@5.4.20(@types/node@20.19.17))
       debug: 4.4.3
       deepmerge: 4.3.1
       kleur: 4.1.5
       magic-string: 0.30.19
       svelte: 4.2.20
       svelte-hmr: 0.16.0(svelte@4.2.20)
-      vite: 5.4.20
-      vitefu: 0.2.5(vite@5.4.20)
+      vite: 5.4.20(@types/node@20.19.17)
+      vitefu: 0.2.5(vite@5.4.20(@types/node@20.19.17))
     transitivePeerDependencies:
       - supports-color
 
@@ -2234,13 +2243,13 @@ snapshots:
       picocolors: 1.1.1
       redent: 3.0.0
 
-  '@testing-library/svelte@5.2.8(svelte@4.2.20)(vite@5.4.20)(vitest@2.1.9(@vitest/ui@2.1.9)(jsdom@25.0.1))':
+  '@testing-library/svelte@5.2.8(svelte@4.2.20)(vite@5.4.20(@types/node@20.19.17))(vitest@2.1.9(@types/node@20.19.17)(@vitest/ui@2.1.9)(jsdom@25.0.1))':
     dependencies:
       '@testing-library/dom': 10.4.1
       svelte: 4.2.20
     optionalDependencies:
-      vite: 5.4.20
-      vitest: 2.1.9(@vitest/ui@2.1.9)(jsdom@25.0.1)
+      vite: 5.4.20(@types/node@20.19.17)
+      vitest: 2.1.9(@types/node@20.19.17)(@vitest/ui@2.1.9)(jsdom@25.0.1)
 
   '@types/aria-query@5.0.4': {}
 
@@ -2248,6 +2257,10 @@ snapshots:
 
   '@types/estree@1.0.8': {}
 
+  '@types/node@20.19.17':
+    dependencies:
+      undici-types: 6.21.0
+
   '@types/pug@2.0.10': {}
 
   '@ungap/structured-clone@1.3.0': {}
@@ -2259,13 +2272,13 @@ snapshots:
       chai: 5.3.3
       tinyrainbow: 1.2.0
 
-  '@vitest/mocker@2.1.9(vite@5.4.20)':
+  '@vitest/mocker@2.1.9(vite@5.4.20(@types/node@20.19.17))':
     dependencies:
       '@vitest/spy': 2.1.9
       estree-walker: 3.0.3
       magic-string: 0.30.19
     optionalDependencies:
-      vite: 5.4.20
+      vite: 5.4.20(@types/node@20.19.17)
 
   '@vitest/pretty-format@2.1.9':
     dependencies:
@@ -2295,7 +2308,7 @@ snapshots:
       sirv: 3.0.2
       tinyglobby: 0.2.15
       tinyrainbow: 1.2.0
-      vitest: 2.1.9(@vitest/ui@2.1.9)(jsdom@25.0.1)
+      vitest: 2.1.9(@types/node@20.19.17)(@vitest/ui@2.1.9)(jsdom@25.0.1)
 
   '@vitest/utils@2.1.9':
     dependencies:
@@ -3442,6 +3455,8 @@ snapshots:
 
   typescript@5.9.2: {}
 
+  undici-types@6.21.0: {}
+
   update-browserslist-db@1.1.3(browserslist@4.26.2):
     dependencies:
       browserslist: 4.26.2
@@ -3454,13 +3469,13 @@ snapshots:
 
   util-deprecate@1.0.2: {}
 
-  vite-node@2.1.9:
+  vite-node@2.1.9(@types/node@20.19.17):
     dependencies:
       cac: 6.7.14
       debug: 4.4.3
       es-module-lexer: 1.7.0
       pathe: 1.1.2
-      vite: 5.4.20
+      vite: 5.4.20(@types/node@20.19.17)
     transitivePeerDependencies:
       - '@types/node'
       - less
@@ -3472,22 +3487,23 @@ snapshots:
       - supports-color
       - terser
 
-  vite@5.4.20:
+  vite@5.4.20(@types/node@20.19.17):
     dependencies:
       esbuild: 0.21.5
       postcss: 8.5.6
       rollup: 4.50.2
     optionalDependencies:
+      '@types/node': 20.19.17
       fsevents: 2.3.3
 
-  vitefu@0.2.5(vite@5.4.20):
+  vitefu@0.2.5(vite@5.4.20(@types/node@20.19.17)):
     optionalDependencies:
-      vite: 5.4.20
+      vite: 5.4.20(@types/node@20.19.17)
 
-  vitest@2.1.9(@vitest/ui@2.1.9)(jsdom@25.0.1):
+  vitest@2.1.9(@types/node@20.19.17)(@vitest/ui@2.1.9)(jsdom@25.0.1):
     dependencies:
       '@vitest/expect': 2.1.9
-      '@vitest/mocker': 2.1.9(vite@5.4.20)
+      '@vitest/mocker': 2.1.9(vite@5.4.20(@types/node@20.19.17))
       '@vitest/pretty-format': 2.1.9
       '@vitest/runner': 2.1.9
       '@vitest/snapshot': 2.1.9
@@ -3503,10 +3519,11 @@ snapshots:
       tinyexec: 0.3.2
       tinypool: 1.1.1
       tinyrainbow: 1.2.0
-      vite: 5.4.20
-      vite-node: 2.1.9
+      vite: 5.4.20(@types/node@20.19.17)
+      vite-node: 2.1.9(@types/node@20.19.17)
       why-is-node-running: 2.3.0
     optionalDependencies:
+      '@types/node': 20.19.17
       '@vitest/ui': 2.1.9(vitest@2.1.9)
       jsdom: 25.0.1
     transitivePeerDependencies:
diff --git a/specs/001-glowtrack-a-mood/tasks.md b/specs/001-glowtrack-a-mood/tasks.md
index d7f3a5e..274c9fb 100644
--- a/specs/001-glowtrack-a-mood/tasks.md
+++ b/specs/001-glowtrack-a-mood/tasks.md
@@ -93,7 +93,7 @@ Integration scenarios from quickstart.md → e2e smoke tests [P]
   - Steps: open app → set day mood → add positive+negative habits → tile glow/luminance and glyphs update
   - Dependencies: T007, T005
 
-- [ ] T013 [P] E2E: export/import JSON roundtrip
+- [X] T013 [P] E2E: export/import JSON roundtrip
   - Create /home/jawz/Development/Projects/GlowTrack/apps/web/tests/e2e/smoke.export-import.spec.ts
   - Steps: create few days → export JSON → clear DB → import JSON → grid identical
   - Dependencies: T007, T005