diff --git a/server/index.js b/server/index.js
index e963681..0bf1770 100644
--- a/server/index.js
+++ b/server/index.js
@@ -1332,6 +1332,211 @@ app.get('/api/tiktok/status', async (request, response) => {
   });
 });
 
+// ─── TikTok Upload Helpers ─────────────────────────────────────────────────
+
+const getLiveTiktokAccessToken = async () => {
+  const tokens = await getTiktokTokens(db);
+  if (!tokens) {
+    const error = new Error('No TikTok account connected.');
+    error.status = 404;
+    throw error;
+  }
+
+  const expiresAt = new Date(tokens.access_token_expires_at).getTime();
+  if (expiresAt - Date.now() < TIKTOK_REFRESH_BUFFER_MS) {
+    const { clientKey, clientSecret } = getTiktokEnv();
+    if (!clientKey || !clientSecret) {
+      const error = new Error('TikTok client credentials are not configured.');
+      error.status = 500;
+      throw error;
+    }
+    return refreshTiktokTokens(db, { clientKey, clientSecret });
+  }
+
+  return tokens;
+};
+
+const tiktokApi = async (url, options = {}) => {
+  const tokens = await getLiveTiktokAccessToken();
+  const accessToken = tokens.access_token;
+
+  const fetchOptions = {
+    ...options,
+    headers: {
+      ...(options.headers || {}),
+      Authorization: `Bearer ${accessToken}`,
+      'Content-Type': 'application/json; charset=UTF-8',
+    },
+  };
+
+  const res = await fetch(url, fetchOptions);
+  const text = await res.text();
+  let data;
+  try {
+    data = JSON.parse(text);
+  } catch {
+    data = { raw: text };
+  }
+
+  if (!res.ok || data?.error?.code !== 'ok') {
+    const message = data?.error?.message || data?.raw || `TikTok API error: ${res.status}`;
+    const error = new Error(message);
+    error.status = res.status;
+    error.body = data;
+    throw error;
+  }
+
+  return data;
+};
+
+const uploadBinaryToTiktok = async (uploadUrl, buffer, mimeType = 'video/mp4') => {
+  const res = await fetch(uploadUrl, {
+    method: 'PUT',
+    headers: {
+      'Content-Type': mimeType,
+      'Content-Length': String(buffer.length),
+    },
+    body: buffer,
+  });
+
+  const text = await res.text();
+  if (!res.ok && res.status !== 201) {
+    const error = new Error(`TikTok binary upload failed: ${res.status} ${text}`);
+    error.status = res.status;
+    throw error;
+  }
+
+  return { status: res.status, body: text };
+};
+
+// ─── TikTok Video Upload ────────────────────────────────────────────────────
+
+app.post('/api/tiktok/upload/video', async (request, response) => {
+  try {
+    if (!isAuthorizedAdminNavigation(request)) {
+      return response.status(401).json({ code: 'UNAUTHORIZED', message: 'Invalid or missing admin key.' });
+    }
+
+    const { videoBuffer, mimeType = 'video/mp4' } = request.body || {};
+    if (!Buffer.isBuffer(videoBuffer)) {
+      return response.status(400).json({ code: 'BAD_REQUEST', message: 'videoBuffer must be a binary buffer.' });
+    }
+
+    const videoSize = videoBuffer.length;
+    const initBody = {
+      source_info: {
+        source: 'FILE_UPLOAD',
+        video_size: videoSize,
+        chunk_size: videoSize,
+        total_chunk_count: 1,
+      },
+    };
+
+    const initResult = await tiktokApi('https://open.tiktokapis.com/v2/post/publish/inbox/video/init/', {
+      method: 'POST',
+      body: Buffer.from(JSON.stringify(initBody)),
+    });
+
+    const uploadUrl = initResult?.data?.upload_url;
+    const publishId = initResult?.data?.publish_id;
+    if (!uploadUrl || !publishId) {
+      return response.status(502).json({ code: 'PROVIDER_ERROR', message: 'Missing upload_url or publish_id from TikTok.' });
+    }
+
+    await uploadBinaryToTiktok(uploadUrl, videoBuffer, mimeType || 'video/mp4');
+
+    response.status(200).json({
+      publish_id: publishId,
+      upload_url: uploadUrl,
+      status: 'INITIATED',
+    });
+  } catch (error) {
+    const payload = toApiErrorPayload(error);
+    response.status(payload.status).json(payload.body);
+  }
+});
+
+// ─── TikTok Photo/Carousel Upload ───────────────────────────────────────────
+
+app.post('/api/tiktok/upload/photo', async (request, response) => {
+  try {
+    if (!isAuthorizedAdminNavigation(request)) {
+      return response.status(401).json({ code: 'UNAUTHORIZED', message: 'Invalid or missing admin key.' });
+    }
+
+    const files = Array.isArray(request.body?.files) ? request.body.files : [];
+    if (!files.length) {
+      return response.status(400).json({ code: 'BAD_REQUEST', message: 'files must be a non-empty array.' });
+    }
+
+    if (files.length > 35) {
+      return response.status(400).json({ code: 'BAD_REQUEST', message: 'TikTok allows up to 35 photos per carousel post.' });
+    }
+
+    const fileInfos = [];
+    for (const file of files) {
+      const buffer = file.buffer || file.data;
+      const mimeType = file.contentType || file.mimeType || 'image/jpeg';
+
+      if (!Buffer.isBuffer(buffer)) {
+        return response.status(400).json({ code: 'BAD_REQUEST', message: 'Each file must include a binary buffer.' });
+      }
+
+      const uploadRes = await uploadImage(buffer.toString('base64'), mimeType);
+      fileInfos.push({
+        url: uploadRes.url,
+        mime_type: mimeType,
+      });
+    }
+
+    const initBody = {
+      media_type: 'PHOTO',
+      photo_cover_index: 0,
+      file_paths: fileInfos.map((info) => info.url),
+      file_extensions: fileInfos.map((info) => (info.mime_type || 'image/jpeg').split('/').pop()),
+      post_mode: 'DIRECT_POST',
+    };
+
+    const initResult = await tiktokApi('https://open.tiktokapis.com/v2/post/publish/content/init/', {
+      method: 'POST',
+      body: Buffer.from(JSON.stringify(initBody)),
+    });
+
+    response.status(200).json({
+      publish_id: initResult?.data?.publish_id,
+      status: initResult?.data?.status || 'INITIATED',
+    });
+  } catch (error) {
+    const payload = toApiErrorPayload(error);
+    response.status(payload.status).json(payload.body);
+  }
+});
+
+// ─── TikTok Upload Status ───────────────────────────────────────────────────
+
+app.get('/api/tiktok/upload/status', async (request, response) => {
+  try {
+    if (!isAuthorizedAdminNavigation(request)) {
+      return response.status(401).json({ code: 'UNAUTHORIZED', message: 'Invalid or missing admin key.' });
+    }
+
+    const publishId = String(request.query.publish_id || '').trim();
+    if (!publishId) {
+      return response.status(400).json({ code: 'BAD_REQUEST', message: 'publish_id is required.' });
+    }
+
+    const result = await tiktokApi('https://open.tiktokapis.com/v2/post/publish/status/fetch/', {
+      method: 'POST',
+      body: Buffer.from(JSON.stringify({ publish_id: publishId })),
+    });
+
+    response.status(200).json(result);
+  } catch (error) {
+    const payload = toApiErrorPayload(error);
+    response.status(payload.status).json(payload.body);
+  }
+});
+
 // ─── Startup ───────────────────────────────────────────────────────────────
 
 app.delete('/auth/account', async (request, response) => {
diff --git a/social_out/greenlens_social_2026-07-09/greenlens_yellow_roots_carousel_1086x1448.mp4 b/social_out/greenlens_social_2026-07-09/greenlens_yellow_roots_carousel_1086x1448.mp4
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diff --git a/social_out/greenlens_social_2026-07-09/greenlens_yellow_roots_facebook_square.png b/social_out/greenlens_social_2026-07-09/greenlens_yellow_roots_facebook_square.png
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diff --git a/social_out/greenlens_social_2026-07-09/greenlens_yellow_roots_pack.txt b/social_out/greenlens_social_2026-07-09/greenlens_yellow_roots_pack.txt
new file mode 100644
index 0000000..ac02b83
--- /dev/null
+++ b/social_out/greenlens_social_2026-07-09/greenlens_yellow_roots_pack.txt
@@ -0,0 +1,63 @@
+GreenLens Educational Social Pack – 2026-07-09
+
+Status: Draft/Preview, keine Live-Posts.
+Variante: B — Vintage Botanical Infographic
+A/B-Logik: letzter erkannter GreenLens-Lauf 2026-07-08 war A; dieser Lauf wechselt auf B.
+Thema: Yellow leaves? Check roots first — Wasser, Licht, Wurzeln, Fungus Gnats.
+Format: 7 Slides, 1086x1448 (3:4), plus 18s Carousel-Video, 24fps, H.264, 0.5s Crossfade.
+
+Interne Faktenbasis: UC IPM + Iowa State Extension nennen u.a. Lichtmangel, Überwässerung/schlechte Drainage, Wurzelschäden und bodennahe Insekten/Krankheiten als mögliche Ursachen für gelbe/abfallende Blätter. Keine Quellen in Public Copy.
+
+Caption IG/TikTok:
+Yellow leaves are a symptom, not a diagnosis.
+
+Before changing everything, check the roots, soil moisture, light, and leaf undersides. A wet pot in a low-light corner can look like a leaf problem — but the stress often starts below the soil.
+
+Save this for your next plant check.
+
+#PlantCare #Houseplants #GreenLens #PlantTips
+
+Facebook Caption:
+Yellow leaves often point to a routine problem: soil staying wet too long, lower light, root stress, or pests hiding early. Check one cause at a time before making big changes.
+
+#PlantCare #Houseplants #PlantTips #GreenLens
+
+X/Twitter Caption:
+Yellow leaves? Don’t guess from the leaf alone.
+
+Quick check:
+1. Is the soil staying wet?
+2. Do roots smell off or look dark?
+3. Did light change recently?
+4. Any tiny gnats or pest dots?
+
+Adjust one thing at a time.
+
+greenlenspro.com
+
+A/B-Test-Hinweis:
+Test zuerst Variante B auf Saves/Kommentare gegen den letzten A-Run. Alternative Hook für nächsten A-Lauf: “Yellow leaves? Check the pot, not the leaf.”
+
+Messung:
+- Saves
+- Kommentare mit Symptomen/Fragen
+- Profilklicks
+- Website-Klicks greenlenspro.com
+
+Asset Mapping:
+- IG/TikTok Carousel: Slides 01–07
+- TikTok/IG Reel/Slideshow: C:\Users\timo\AppData\Local\hermes\cache\images\greenlens_social_2026-07-09\greenlens_yellow_roots_carousel_1086x1448.mp4
+- Facebook: 1:1 Crop aus Mitte von Slide 01 oder Carousel Slides 01–07
+- X/Twitter: Bildsequenz Slides 01–04 oder Text-only Caption
+
+Dateien:
+C:\Users\timo\AppData\Local\hermes\cache\images\greenlens_social_2026-07-09\greenlens_yellow_roots_slide_01.png
+C:\Users\timo\AppData\Local\hermes\cache\images\greenlens_social_2026-07-09\greenlens_yellow_roots_slide_02.png
+C:\Users\timo\AppData\Local\hermes\cache\images\greenlens_social_2026-07-09\greenlens_yellow_roots_slide_03.png
+C:\Users\timo\AppData\Local\hermes\cache\images\greenlens_social_2026-07-09\greenlens_yellow_roots_slide_04.png
+C:\Users\timo\AppData\Local\hermes\cache\images\greenlens_social_2026-07-09\greenlens_yellow_roots_slide_05.png
+C:\Users\timo\AppData\Local\hermes\cache\images\greenlens_social_2026-07-09\greenlens_yellow_roots_slide_06.png
+C:\Users\timo\AppData\Local\hermes\cache\images\greenlens_social_2026-07-09\greenlens_yellow_roots_slide_07.png
+C:\Users\timo\AppData\Local\hermes\cache\images\greenlens_social_2026-07-09\greenlens_yellow_roots_contact_sheet.png
+C:\Users\timo\AppData\Local\hermes\cache\images\greenlens_social_2026-07-09\greenlens_yellow_roots_carousel_1086x1448.mp4
+C:\Users\timo\AppData\Local\hermes\cache\images\greenlens_social_2026-07-09\greenlens_yellow_roots_subtitles.vtt
diff --git a/social_out/greenlens_social_2026-07-09/greenlens_yellow_roots_slide_01.png b/social_out/greenlens_social_2026-07-09/greenlens_yellow_roots_slide_01.png
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diff --git a/social_out/greenlens_social_2026-07-09/greenlens_yellow_roots_slide_07.png b/social_out/greenlens_social_2026-07-09/greenlens_yellow_roots_slide_07.png
new file mode 100644
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diff --git a/social_out/greenlens_social_2026-07-09/greenlens_yellow_roots_subtitles.vtt b/social_out/greenlens_social_2026-07-09/greenlens_yellow_roots_subtitles.vtt
new file mode 100644
index 0000000..b4ce4e3
--- /dev/null
+++ b/social_out/greenlens_social_2026-07-09/greenlens_yellow_roots_subtitles.vtt
@@ -0,0 +1,30 @@
+WEBVTT
+
+1
+00:00:00.000 --> 00:00:03.000
+Yellow leaves? Check roots first. Yellowing often starts below the soil line, not on the leaf.
+
+2
+00:00:02.500 --> 00:00:05.500
+Wet soil can block air. Roots need oxygen. If the pot stays wet, leaves may yellow and drop.
+
+3
+00:00:05.000 --> 00:00:08.000
+Low light slows drying. A darker corner can make normal watering feel like overwatering.
+
+4
+00:00:07.500 --> 00:00:10.500
+Gnats point to damp soil. Fungus gnats often appear when the top layer stays moist too long.
+
+5
+00:00:10.000 --> 00:00:13.000
+Check three places. Soil moisture, root smell, and leaf undersides tell the clearest story.
+
+6
+00:00:12.500 --> 00:00:15.500
+Fix the routine slowly. Adjust light, drainage, and watering one step at a time.
+
+7
+00:00:15.000 --> 00:00:18.000
+Get plant diagnosis. greenlenspro.com
+
diff --git a/social_out/greenlens_social_2026-07-09/pack_meta.json b/social_out/greenlens_social_2026-07-09/pack_meta.json
new file mode 100644
index 0000000..314c6a3
--- /dev/null
+++ b/social_out/greenlens_social_2026-07-09/pack_meta.json
@@ -0,0 +1,47 @@
+{
+  "date": "2026-07-09",
+  "brand": "GreenLens Pro",
+  "topic": "Yellow leaves: roots, water, light and pests",
+  "variant": "B — vintage botanical infographic",
+  "dimensions": "1086x1448",
+  "slides": [
+    {
+      "top": "Yellow leaves? Check roots first",
+      "bottom": "Yellowing often starts below the soil line, not on the leaf."
+    },
+    {
+      "top": "Wet soil can block air",
+      "bottom": "Roots need oxygen. If the pot stays wet, leaves may yellow and drop."
+    },
+    {
+      "top": "Low light slows drying",
+      "bottom": "A darker corner can make normal watering feel like overwatering."
+    },
+    {
+      "top": "Gnats point to damp soil",
+      "bottom": "Fungus gnats often appear when the top layer stays moist too long."
+    },
+    {
+      "top": "Check three places",
+      "bottom": "Soil moisture, root smell, and leaf undersides tell the clearest story."
+    },
+    {
+      "top": "Fix the routine slowly",
+      "bottom": "Adjust light, drainage, and watering one step at a time."
+    },
+    {
+      "top": "Get plant diagnosis",
+      "bottom": "greenlenspro.com",
+      "cta": true
+    }
+  ],
+  "files": [
+    "C:\\Users\\timo\\AppData\\Local\\hermes\\cache\\images\\greenlens_social_2026-07-09\\greenlens_yellow_roots_slide_01.png",
+    "C:\\Users\\timo\\AppData\\Local\\hermes\\cache\\images\\greenlens_social_2026-07-09\\greenlens_yellow_roots_slide_02.png",
+    "C:\\Users\\timo\\AppData\\Local\\hermes\\cache\\images\\greenlens_social_2026-07-09\\greenlens_yellow_roots_slide_03.png",
+    "C:\\Users\\timo\\AppData\\Local\\hermes\\cache\\images\\greenlens_social_2026-07-09\\greenlens_yellow_roots_slide_04.png",
+    "C:\\Users\\timo\\AppData\\Local\\hermes\\cache\\images\\greenlens_social_2026-07-09\\greenlens_yellow_roots_slide_05.png",
+    "C:\\Users\\timo\\AppData\\Local\\hermes\\cache\\images\\greenlens_social_2026-07-09\\greenlens_yellow_roots_slide_06.png",
+    "C:\\Users\\timo\\AppData\\Local\\hermes\\cache\\images\\greenlens_social_2026-07-09\\greenlens_yellow_roots_slide_07.png"
+  ]
+}
\ No newline at end of file
diff --git a/social_out/greenlens_social_2026-07-09/variant.txt b/social_out/greenlens_social_2026-07-09/variant.txt
new file mode 100644
index 0000000..f0f3f0b
--- /dev/null
+++ b/social_out/greenlens_social_2026-07-09/variant.txt
@@ -0,0 +1,2 @@
+B — vintage botanical infographic
+Previous detected run 2026-07-08 was A, so this run alternates to B.