diff --git a/.github/workflows/stviz_create_pr_from_issue.yml b/.github/workflows/stviz_create_pr_from_issue.yml
new file mode 100644
index 0000000..bd9e943
--- /dev/null
+++ b/.github/workflows/stviz_create_pr_from_issue.yml
@@ -0,0 +1,47 @@
+name: STVIZ - Create PR from Issue
+
+on:
+  issues:
+    types: [opened]
+
+permissions:
+  contents: write
+  pull-requests: write
+  issues: write
+
+jobs:
+  apply:
+    if: contains(github.event.issue.title, '[stviz]') || contains(github.event.issue.body, 'stviz-sku-edits:BEGIN')
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout data branch
+        uses: actions/checkout@v4
+        with:
+          ref: data
+          fetch-depth: 0
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: "20"
+
+      - name: Apply edits, push branch, open PR
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          ISSUE_NUMBER: ${{ github.event.issue.number }}
+          ISSUE_TITLE: ${{ github.event.issue.title }}
+          ISSUE_BODY: ${{ github.event.issue.body }}
+          REPO: ${{ github.repository }}
+        run: |
+          set -euo pipefail
+          node tools/stviz_apply_issue_edits.js
+
+      - name: Close issue
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          ISSUE_NUMBER: ${{ github.event.issue.number }}
+          REPO: ${{ github.repository }}
+        run: |
+          set -euo pipefail
+          gh -R "$REPO" issue close "$ISSUE_NUMBER" -c "Processed by STVIZ automation. A PR has been opened."
diff --git a/tools/stviz_apply_issue_edits.js b/tools/stviz_apply_issue_edits.js
new file mode 100644
index 0000000..3989953
--- /dev/null
+++ b/tools/stviz_apply_issue_edits.js
@@ -0,0 +1,107 @@
+// tools/stviz_apply_issue_edits.js
+import fs from "node:fs";
+import path from "node:path";
+import { execSync } from "node:child_process";
+
+function die(msg) {
+  console.error(msg);
+  process.exit(1);
+}
+
+function sh(cmd) {
+  return execSync(cmd, { stdio: "pipe", encoding: "utf8" }).trim();
+}
+
+const ISSUE_BODY = process.env.ISSUE_BODY || "";
+const ISSUE_NUMBER = String(process.env.ISSUE_NUMBER || "").trim();
+const ISSUE_TITLE = process.env.ISSUE_TITLE || "";
+const REPO = process.env.REPO || "";
+
+if (!ISSUE_NUMBER) die("Missing ISSUE_NUMBER");
+if (!REPO) die("Missing REPO");
+
+const m = ISSUE_BODY.match(/<!--\s*stviz-sku-edits:BEGIN\s*-->\s*([\s\S]*?)\s*<!--\s*stviz-sku-edits:END\s*-->/);
+if (!m) die("No stviz payload found in issue body.");
+
+let payload;
+try {
+  payload = JSON.parse(m[1]);
+} catch (e) {
+  die(`Invalid JSON payload: ${e?.message || e}`);
+}
+
+if (payload?.schema !== "stviz-sku-edits-v1") die("Unsupported payload schema.");
+
+const linksIn = Array.isArray(payload?.links) ? payload.links : [];
+const ignoresIn = Array.isArray(payload?.ignores) ? payload.ignores : [];
+
+function normSku(s) {
+  return String(s || "").trim();
+}
+function linkKey(x) {
+  const a = normSku(x?.fromSku);
+  const b = normSku(x?.toSku);
+  return a && b && a !== b ? `${a}→${b}` : "";
+}
+function pairKey(a, b) {
+  const x = normSku(a), y = normSku(b);
+  if (!x || !y || x === y) return "";
+  return x < y ? `${x}|${y}` : `${y}|${x}`;
+}
+
+const filePath = path.join("data", "sku_links.json");
+let base = { generatedAt: "", links: [], ignores: [] };
+
+if (fs.existsSync(filePath)) {
+  try {
+    base = JSON.parse(fs.readFileSync(filePath, "utf8"));
+  } catch {
+    // keep defaults
+  }
+}
+
+const baseLinks = Array.isArray(base?.links) ? base.links : [];
+const baseIgnores = Array.isArray(base?.ignores) ? base.ignores : [];
+
+const seenLinks = new Set(baseLinks.map(linkKey).filter(Boolean));
+for (const x of linksIn) {
+  const k = linkKey(x);
+  if (!k || seenLinks.has(k)) continue;
+  seenLinks.add(k);
+  baseLinks.push({ fromSku: normSku(x.fromSku), toSku: normSku(x.toSku) });
+}
+
+const seenIg = new Set(
+  baseIgnores
+    .map((x) => pairKey(x?.skuA || x?.a || x?.left, x?.skuB || x?.b || x?.right))
+    .filter(Boolean)
+);
+for (const x of ignoresIn) {
+  const k = pairKey(x?.skuA, x?.skuB);
+  if (!k || seenIg.has(k)) continue;
+  seenIg.add(k);
+  baseIgnores.push({ skuA: normSku(x.skuA), skuB: normSku(x.skuB) });
+}
+
+const out = {
+  generatedAt: new Date().toISOString(),
+  links: baseLinks,
+  ignores: baseIgnores,
+};
+
+fs.mkdirSync(path.dirname(filePath), { recursive: true });
+fs.writeFileSync(filePath, JSON.stringify(out, null, 2) + "\n", "utf8");
+
+const ts = new Date().toISOString().replace(/[:.]/g, "-");
+const branch = `stviz/issue-${ISSUE_NUMBER}-${ts}`;
+
+sh(`git checkout -b "${branch}"`);
+sh(`git add "${filePath}"`);
+sh(`git commit -m "stviz: apply sku edits (issue #${ISSUE_NUMBER})"`);
+
+sh(`git push -u origin "${branch}"`);
+
+const prTitle = `STVIZ: SKU link updates (issue #${ISSUE_NUMBER})`;
+const prBody = `Automated PR created from issue #${ISSUE_NUMBER}: ${ISSUE_TITLE}`;
+
+sh(`gh -R "${REPO}" pr create --base data --head "${branch}" --title "${prTitle}" --body "${prBody}"`);
diff --git a/viz/app/linker_page.js b/viz/app/linker_page.js
index 4e8ea89..8d228c5 100644
--- a/viz/app/linker_page.js
+++ b/viz/app/linker_page.js
@@ -9,13 +9,9 @@ import {
 } from "./sku.js";
 import { loadIndex } from "./state.js";
 import { aggregateBySku } from "./catalog.js";
-import {
-  isLocalWriteMode,
-  loadSkuMetaBestEffort,
-  apiWriteSkuLink,
-  apiWriteSkuIgnore,
-} from "./api.js";
 import { loadSkuRules, clearSkuRulesCache } from "./mapping.js";
+import { inferGithubOwnerRepo, isLocalWriteMode, loadSkuMetaBestEffort, apiWriteSkuLink, apiWriteSkuIgnore } from "./api.js";
+import { addPendingLink, addPendingIgnore, pendingCounts, loadPendingEdits } from "./pending.js";
 
 /* ---------------- Similarity helpers ---------------- */
 
@@ -382,7 +378,7 @@ export async function renderSkuLinker($app) {
         <button id="back" class="btn">← Back</button>
         <div style="flex:1"></div>
         <span class="badge">SKU Linker</span>
-        <span class="badge mono">${esc(localWrite ? "LOCAL WRITE" : "READ-ONLY")}</span>
+        ${localWrite ? `<span class="badge mono">LOCAL WRITE</span>` : `<button id="createPrBtn" class="btn" disabled>Create PR</button>`}
       </div>
 
       <div class="card" style="padding:14px;">
@@ -586,53 +582,102 @@ export async function renderSkuLinker($app) {
   }
 
   function updateButtons() {
-    if (!localWrite) {
-      $linkBtn.disabled = true;
-      $ignoreBtn.disabled = true;
-      $status.textContent = "Write disabled on GitHub Pages. Use: node viz/serve.js and open 127.0.0.1.";
-      return;
+    const isPages = !localWrite;
+  
+    // Pages: keep Create PR button state in sync with pending edits
+    const $pr = isPages ? document.getElementById("createPrBtn") : null;
+    if ($pr) {
+      const c0 = pendingCounts();
+      $pr.disabled = c0.total === 0;
     }
-
+  
     if (!(pinnedL && pinnedR)) {
       $linkBtn.disabled = true;
       $ignoreBtn.disabled = true;
-      if (!$status.textContent) $status.textContent = "Pin one item on each side to enable linking / ignoring.";
+  
+      if (isPages) {
+        const c = pendingCounts();
+        $status.textContent = c.total
+          ? `Pending changes: ${c.links} link(s), ${c.ignores} ignore(s). Create PR when ready.`
+          : "Pin one item on each side to enable linking / ignoring.";
+      } else {
+        if (!$status.textContent) $status.textContent = "Pin one item on each side to enable linking / ignoring.";
+      }
       return;
     }
-
+  
     const a = String(pinnedL.sku || "");
     const b = String(pinnedR.sku || "");
-
+  
     if (a === b) {
       $linkBtn.disabled = true;
       $ignoreBtn.disabled = true;
       $status.textContent = "Not allowed: both sides cannot be the same SKU.";
       return;
     }
-
+  
     if (storesOverlap(pinnedL, pinnedR)) {
       $linkBtn.disabled = true;
       $ignoreBtn.disabled = true;
       $status.textContent = "Not allowed: both items belong to the same store.";
       return;
     }
-
+  
     if (sameGroup(a, b)) {
       $linkBtn.disabled = true;
       $ignoreBtn.disabled = true;
       $status.textContent = "Already linked: both SKUs are in the same group.";
       return;
     }
-
+  
     $linkBtn.disabled = false;
     $ignoreBtn.disabled = false;
-
+  
     if (isIgnoredPair(a, b)) {
       $status.textContent = "This pair is already ignored.";
     } else if ($status.textContent === "Pin one item on each side to enable linking / ignoring.") {
       $status.textContent = "";
     }
+  
+    // Refresh PR button state after any status changes
+    if ($pr) {
+      const c = pendingCounts();
+      $pr.disabled = c.total === 0;
+    }
   }
+  
+
+  const $createPrBtn = document.getElementById("createPrBtn");
+  if ($createPrBtn) {
+    $createPrBtn.addEventListener("click", () => {
+      const c = pendingCounts();
+      if (c.total === 0) return;
+
+      const { owner, repo } = inferGithubOwnerRepo();
+      const edits = loadPendingEdits();
+
+      // Payload is small (ops list), action will merge into data/sku_links.json
+      const payload = JSON.stringify(
+        { schema: "stviz-sku-edits-v1", createdAt: edits.createdAt || new Date().toISOString(), links: edits.links, ignores: edits.ignores },
+        null,
+        2
+      );
+
+      const title = `[stviz] sku link updates (${c.links} link, ${c.ignores} ignore)`;
+      const body =
+        `Automated request from GitHub Pages SKU Linker.\n\n` +
+        `<!-- stviz-sku-edits:BEGIN -->\n` +
+        payload +
+        `\n<!-- stviz-sku-edits:END -->\n`;
+
+      const u =
+        `https://github.com/${encodeURIComponent(owner)}/${encodeURIComponent(repo)}` +
+        `/issues/new?title=${encodeURIComponent(title)}&body=${encodeURIComponent(body)}`;
+
+      window.open(u, "_blank", "noopener,noreferrer");
+    });
+  }
+
 
   function updateAll() {
     renderSide("L");
@@ -657,11 +702,11 @@ export async function renderSkuLinker($app) {
   });
 
   $linkBtn.addEventListener("click", async () => {
-    if (!(pinnedL && pinnedR) || !localWrite) return;
-
+    if (!(pinnedL && pinnedR)) return;
+  
     const a = String(pinnedL.sku || "");
     const b = String(pinnedR.sku || "");
-
+  
     if (!a || !b) {
       $status.textContent = "Not allowed: missing SKU.";
       return;
@@ -682,16 +727,16 @@ export async function renderSkuLinker($app) {
       $status.textContent = "This pair is already ignored.";
       return;
     }
-
+  
     const aCanon = rules.canonicalSku(a);
     const bCanon = rules.canonicalSku(b);
-
+  
     const preferred = pickPreferredCanonical(allRows, [a, b, aCanon, bCanon]);
     if (!preferred) {
       $status.textContent = "Write failed: could not choose a canonical SKU.";
       return;
     }
-
+  
     const writes = [];
     function addWrite(fromSku, toSku) {
       const f = String(fromSku || "").trim();
@@ -700,12 +745,12 @@ export async function renderSkuLinker($app) {
       if (rules.canonicalSku(f) === t) return;
       writes.push({ fromSku: f, toSku: t });
     }
-
+  
     addWrite(aCanon, preferred);
     addWrite(bCanon, preferred);
     addWrite(a, preferred);
     addWrite(b, preferred);
-
+  
     const seenW = new Set();
     const uniq = [];
     for (const w of writes) {
@@ -714,25 +759,51 @@ export async function renderSkuLinker($app) {
       seenW.add(k);
       uniq.push(w);
     }
-
+  
+    // ---------------- GitHub Pages mode: stage edits locally ----------------
+    if (!localWrite) {
+      for (const w of uniq) addPendingLink(w.fromSku, w.toSku);
+  
+      clearSkuRulesCache();
+      rules = await loadSkuRules();
+      ignoreSet = rules.ignoreSet;
+  
+      // rebuild mappedSkus based on merged rules (includes pending)
+      const rebuilt = buildMappedSkuSet(rules.links || []);
+      mappedSkus.clear();
+      for (const x of rebuilt) mappedSkus.add(x);
+  
+      const c = pendingCounts();
+      $status.textContent = `Staged locally. Pending: ${c.links} link(s), ${c.ignores} ignore(s).`;
+  
+      const $pr = document.getElementById("createPrBtn");
+      if ($pr) $pr.disabled = c.total === 0;
+  
+      pinnedL = null;
+      pinnedR = null;
+      updateAll();
+      return;
+    }
+  
+    // ---------------- Local mode: write via disk-backed API ----------------
     $status.textContent = `Writing ${uniq.length} link(s) to canonical ${displaySku(preferred)} …`;
-
+  
     try {
       for (let i = 0; i < uniq.length; i++) {
         const w = uniq[i];
         $status.textContent = `Writing (${i + 1}/${uniq.length}): ${displaySku(w.fromSku)} → ${displaySku(w.toSku)} …`;
         await apiWriteSkuLink(w.fromSku, w.toSku);
       }
-
+  
       clearSkuRulesCache();
       rules = await loadSkuRules();
       ignoreSet = rules.ignoreSet;
-
+  
       const meta2 = await loadSkuMetaBestEffort();
       const rebuilt = buildMappedSkuSet(meta2?.links || []);
       mappedSkus.clear();
       for (const x of rebuilt) mappedSkus.add(x);
-
+  
       $status.textContent = `Saved. Canonical is now ${displaySku(preferred)}.`;
       pinnedL = null;
       pinnedR = null;
@@ -741,13 +812,14 @@ export async function renderSkuLinker($app) {
       $status.textContent = `Write failed: ${String(e && e.message ? e.message : e)}`;
     }
   });
+  
 
   $ignoreBtn.addEventListener("click", async () => {
-    if (!(pinnedL && pinnedR) || !localWrite) return;
-
+    if (!(pinnedL && pinnedR)) return;
+  
     const a = String(pinnedL.sku || "");
     const b = String(pinnedR.sku || "");
-
+  
     if (!a || !b) {
       $status.textContent = "Not allowed: missing SKU.";
       return;
@@ -768,9 +840,32 @@ export async function renderSkuLinker($app) {
       $status.textContent = "This pair is already ignored.";
       return;
     }
-
+  
+    // ---------------- GitHub Pages mode: stage ignore locally ----------------
+    if (!localWrite) {
+      $status.textContent = `Staging ignore: ${displaySku(a)} × ${displaySku(b)} …`;
+  
+      addPendingIgnore(a, b);
+  
+      clearSkuRulesCache();
+      rules = await loadSkuRules();
+      ignoreSet = rules.ignoreSet;
+  
+      const c = pendingCounts();
+      $status.textContent = `Staged locally. Pending: ${c.links} link(s), ${c.ignores} ignore(s).`;
+  
+      const $pr = document.getElementById("createPrBtn");
+      if ($pr) $pr.disabled = c.total === 0;
+  
+      pinnedL = null;
+      pinnedR = null;
+      updateAll();
+      return;
+    }
+  
+    // ---------------- Local mode: write via disk-backed API ----------------
     $status.textContent = `Ignoring: ${displaySku(a)} × ${displaySku(b)} …`;
-
+  
     try {
       const out = await apiWriteSkuIgnore(a, b);
       ignoreSet.add(rules.canonicalPairKey(a, b));
@@ -782,6 +877,7 @@ export async function renderSkuLinker($app) {
       $status.textContent = `Ignore failed: ${String(e && e.message ? e.message : e)}`;
     }
   });
+  
 
   updateAll();
 }
diff --git a/viz/app/mapping.js b/viz/app/mapping.js
index c056ad2..f2b3a2e 100644
--- a/viz/app/mapping.js
+++ b/viz/app/mapping.js
@@ -1,5 +1,6 @@
 // viz/app/mapping.js
-import { loadSkuMetaBestEffort } from "./api.js";
+import { loadSkuMetaBestEffort, isLocalWriteMode } from "./api.js";
+import { applyPendingToMeta } from "./pending.js";
 
 let CACHED = null;
 
@@ -169,7 +170,10 @@ function buildGroupsAndCanonicalMap(links) {
 export async function loadSkuRules() {
   if (CACHED) return CACHED;
 
-  const meta = await loadSkuMetaBestEffort();
+  let meta = await loadSkuMetaBestEffort();
+  if (!isLocalWriteMode()) {
+    meta = applyPendingToMeta(meta);
+  }
   const links = Array.isArray(meta?.links) ? meta.links : [];
   const ignores = Array.isArray(meta?.ignores) ? meta.ignores : [];
 
diff --git a/viz/app/pending.js b/viz/app/pending.js
new file mode 100644
index 0000000..e69de29