diff --git a/workflows/auto_deploy.yml b/workflows/auto_deploy.yml
new file mode 100644
index 00000000..a8dafe05
--- /dev/null
+++ b/workflows/auto_deploy.yml
@@ -0,0 +1,67 @@
+name: Auto Deploy Preview
+
+on:
+  workflow_call:
+    inputs:
+      base:
+        type: string
+        required: true
+      head:
+        type: string
+        required: true
+
+permissions:
+  contents: write
+  statuses: read
+
+jobs:
+  signal:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Emit repository_dispatch to App
+        uses: actions/github-script@v7
+        with:
+          script: |
+            await github.rest.repos.createDispatchEvent({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              event_type: "auto-deploy",
+              client_payload: { base: inputs.base, head: inputs.head }
+            })
+      - name: Wait for World Forge status
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const owner = context.repo.owner, repo = context.repo.repo, ref = inputs.head;
+            const prefix = "world-forge/auto-deploy";
+            const initDeadline = Date.now() + 2*60*1000;
+            const hardDeadline = Date.now() + 45*60*1000;
+            const sleep = (ms) => new Promise(r => setTimeout(r, ms));
+            async function allStatuses() {
+              const { data } = await github.rest.repos.getCombinedStatusForRef({ owner, repo, ref });
+              return data.statuses || [];
+            }
+            let expected = null;
+            while (Date.now() < initDeadline) {
+              const statuses = await allStatuses();
+              const aggFail = statuses.find(s => s.context === prefix && (s.state === "failure" || s.state === "error"));
+              if (aggFail) { core.setFailed(aggFail.description || "Auto-deploy aggregate failed"); return; }
+              const aggs = statuses.filter(s => s.context === prefix && s.state === "pending");
+              for (const a of aggs) {
+                const n = parseInt(a.description || "0", 10);
+                if (!Number.isNaN(n) && n > 0) { expected = n; break; }
+              }
+              if (expected) break;
+              await sleep(5000);
+            }
+            if (!expected) { core.setFailed("Auto-deploy did not publish expected deployment count."); return; }
+            while (Date.now() < hardDeadline) {
+              const statuses = await allStatuses();
+              const perProject = statuses.filter(s => s.context.startsWith(prefix + "/"));
+              const success = perProject.filter(s => s.state === "success").length;
+              const failed  = perProject.filter(s => s.state === "failure" || s.state === "error").length;
+              if (success + failed >= expected) { if (failed > 0) core.setFailed(`Deploy failures: ${failed}/${expected}`); return; }
+              await sleep(10000);
+            }
+            core.setFailed("Timed out waiting for auto-deploy results.");
+            
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