diff --git a/server-tools/lake-lamp-authz/deployment-event-worker.js b/server-tools/lake-lamp-authz/deployment-event-worker.js
new file mode 100644
index 0000000..d968992
--- /dev/null
+++ b/server-tools/lake-lamp-authz/deployment-event-worker.js
@@ -0,0 +1,55 @@
+#!/usr/bin/env node
+"use strict";
+
+// Resident deployment hand: it consumes only immutable events created by the
+// explicit dispatch endpoint. It has no public listener and no command field.
+const fs = require("node:fs");
+const path = require("node:path");
+const { provision } = require("./architecture-provision-broker");
+
+const QUEUE_DIR = process.env.LAKE_LAMP_DEPLOYMENT_EVENT_DIR || "/var/lib/guanghu/deployment-events";
+const RECEIPTS_DIR = process.env.LAKE_LAMP_DEPLOYMENT_RECEIPTS_DIR || "/var/lib/guanghu/deployment-events/receipts";
+const REGISTRY_FILE = process.env.LAKE_LAMP_DEPLOYMENT_REPOSITORIES || "/etc/guanghu/lake-lamp/deployment-repositories.json";
+
+function loadRegistry(file = REGISTRY_FILE) {
+  const parsed = JSON.parse(fs.readFileSync(file, "utf8"));
+  if (!parsed || !parsed.repos || typeof parsed.repos !== "object") throw new Error("invalid_deployment_repository_registry");
+  return parsed.repos;
+}
+
+async function processOne(options = {}) {
+  const queueDir = options.queueDir || QUEUE_DIR, receiptsDir = options.receiptsDir || RECEIPTS_DIR;
+  fs.mkdirSync(queueDir, { recursive: true, mode: 0o750 });
+  fs.mkdirSync(receiptsDir, { recursive: true, mode: 0o700 });
+  const file = fs.readdirSync(queueDir).filter(name => name.endsWith(".json")).sort()[0];
+  if (!file) return { ok: true, state: "idle" };
+  const original = path.join(queueDir, file), processing = `${original}.processing`;
+  try { fs.renameSync(original, processing); } catch { return { ok: true, state: "contended" }; }
+  let event;
+  try {
+    event = JSON.parse(fs.readFileSync(processing, "utf8"));
+    const checked = validateEvent(event, options.registry || loadRegistry(options.registryFile));
+    if (checked) throw new Error(checked);
+    const result = await (options.provisionFn || provision)({ target: "JD-FD-PRIMARY", action: "provision-approved-architecture", resource: event.resource }, { repoUrl: options.registry ? options.registry[event.repo].repo_url : loadRegistry(options.registryFile)[event.repo].repo_url });
+    const receipt = { schema: "guanghu.deployment-agent-receipt/v1", event_id: event.event_id, workorder_id: event.workorder_id, repo: event.repo, branch: event.branch, commit_sha: event.commit_sha, resource: event.resource, result: result.ok ? "DEPLOYED_AND_VERIFIED" : "FAILED_OR_ROLLED_BACK", diagnostic_code: result.ok ? "deployment_succeeded" : String(result.error || "deployment_failed"), evidence: result, recorded_at: new Date().toISOString() };
+    writeAtomic(path.join(receiptsDir, `${event.event_id}.json`), `${JSON.stringify(receipt, null, 2)}\n`);
+    fs.renameSync(processing, `${processing}.${result.ok ? "done" : "failed"}`);
+    return { ok: result.ok, state: receipt.result, receipt };
+  } catch (error) {
+    const receipt = { schema: "guanghu.deployment-agent-receipt/v1", event_id: event && event.event_id || "", result: "REJECTED", diagnostic_code: String(error && error.message || "deployment_event_invalid").slice(0, 160), recorded_at: new Date().toISOString() };
+    writeAtomic(path.join(receiptsDir, `${path.basename(file, ".json")}.rejected.json`), `${JSON.stringify(receipt, null, 2)}\n`);
+    fs.renameSync(processing, `${processing}.rejected`);
+    return { ok: false, state: "REJECTED", receipt };
+  }
+}
+function validateEvent(event, registry) {
+  if (!event || event.schema !== "guanghu.deployment-event/v1" || event.state !== "queued_for_resident_agent") return "deployment_event_schema_invalid";
+  if (!registry[event.repo] || !/^bingshuo\/[a-z0-9._-]+$/.test(event.repo) || event.branch !== "main" || !/^[0-9a-f]{40}$/.test(event.commit_sha || "")) return "deployment_event_binding_invalid";
+  if (!/^[A-Z0-9][A-Z0-9._-]{5,119}@[0-9a-f]{40}$/.test(event.resource || "") || !event.resource.endsWith(`@${event.commit_sha}`)) return "deployment_event_resource_invalid";
+  if (!/^deployment\/requests\/[A-Za-z0-9._/-]{1,180}\.json$/.test(event.manifest || "")) return "deployment_event_manifest_invalid";
+  return "";
+}
+function writeAtomic(file, content) { const temp = `${file}.${process.pid}.tmp`; fs.writeFileSync(temp, content, { mode: 0o600 }); fs.renameSync(temp, file); }
+
+if (require.main === module) setInterval(() => { processOne().catch(error => process.stderr.write(`deployment event error: ${error.message}\n`)); }, 1500);
+module.exports = { processOne, validateEvent };
diff --git a/server-tools/lake-lamp-authz/deployment-event-worker.test.js b/server-tools/lake-lamp-authz/deployment-event-worker.test.js
new file mode 100644
index 0000000..8a963c4
--- /dev/null
+++ b/server-tools/lake-lamp-authz/deployment-event-worker.test.js
@@ -0,0 +1,16 @@
+"use strict";
+const test = require("node:test");
+const assert = require("node:assert/strict");
+const fs = require("node:fs");
+const os = require("node:os");
+const path = require("node:path");
+const { processOne } = require("./deployment-event-worker");
+test("resident deployment agent consumes only an explicit immutable event and writes a receipt", async () => {
+  const root = fs.mkdtempSync(path.join(os.tmpdir(), "lake-lamp-deploy-worker-")), queue = path.join(root, "queue"), receipts = path.join(root, "receipts"), sha = "a".repeat(40);
+  fs.mkdirSync(queue); fs.writeFileSync(path.join(queue, "event.json"), JSON.stringify({ schema: "guanghu.deployment-event/v1", event_id: "event-1", state: "queued_for_resident_agent", repo: "bingshuo/guanghu-ice-heart", branch: "main", commit_sha: sha, workorder_id: "order-1", resource: `GLS-0239-DEPLOY@${sha}`, manifest: "deployment/requests/GLS-0239.json" }));
+  try {
+    const result = await processOne({ queueDir: queue, receiptsDir: receipts, registry: { "bingshuo/guanghu-ice-heart": { repo_url: "https://example.invalid/code.git" } }, provisionFn: async request => { assert.equal(request.resource, `GLS-0239-DEPLOY@${sha}`); return { ok: true, unit: "example.service" }; } });
+    assert.equal(result.state, "DEPLOYED_AND_VERIFIED");
+    assert.equal(JSON.parse(fs.readFileSync(path.join(receipts, "event-1.json"))).diagnostic_code, "deployment_succeeded");
+  } finally { fs.rmSync(root, { recursive: true, force: true }); }
+});
diff --git a/server-tools/lake-lamp-authz/deployment-repositories.example.json b/server-tools/lake-lamp-authz/deployment-repositories.example.json
new file mode 100644
index 0000000..3ee6c3e
--- /dev/null
+++ b/server-tools/lake-lamp-authz/deployment-repositories.example.json
@@ -0,0 +1 @@
+{"repos":{"bingshuo/guanghu-ice-heart":{"repo_url":"https://guanghulab.com/code/bingshuo/guanghu-ice-heart.git"}}}
diff --git a/server-tools/lake-lamp-authz/lake-lamp-deployment-event-worker.service b/server-tools/lake-lamp-authz/lake-lamp-deployment-event-worker.service
new file mode 100644
index 0000000..48b133a
--- /dev/null
+++ b/server-tools/lake-lamp-authz/lake-lamp-deployment-event-worker.service
@@ -0,0 +1,21 @@
+[Unit]
+Description=Guanghu explicit deployment event worker
+After=network-online.target lake-lamp-authz.service lake-lamp-architecture-provision.service
+
+[Service]
+Type=simple
+User=root
+Group=root
+EnvironmentFile=/etc/guanghu/secrets/lake-lamp/action-broker.env
+ExecStart=/usr/bin/node /opt/guanghu/lake-lamp-authz/deployment-event-worker.js
+Restart=on-failure
+RestartSec=3
+NoNewPrivileges=true
+PrivateTmp=true
+ProtectSystem=strict
+ProtectHome=true
+ReadWritePaths=/var/lib/guanghu/deployment-events /var/lib/guanghu/architecture-provision /opt/guanghu/architecture-releases /etc/systemd/system
+LockPersonality=true
+
+[Install]
+WantedBy=multi-user.target