[release] Add release yaml to enable ChunkyDKG V1

Single-step proposal that switches the on-chain ChunkyDKG config to
ConfigV1 (1/2 secrecy, 2/3 reconstruction). Assumes the encrypted-mempool
framework resources are already initialized on the target network.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: ibalajiarun

aptos-move/aptos-release-builder/data/enable-chunky-dkg-v1.yaml

@@ -0,0 +1,11 @@
+---
+remote_endpoint: ~
+name: "enable-chunky-dkg-v1"
+proposals:
+  - name: enable_chunky_dkg_v1
+    metadata:
+      title: "Enable ChunkyDKG V1"
+      description: "Enable ChunkyDKG in full V1 mode (1/2 secrecy, 2/3 reconstruction). Assumes encrypted-mempool framework resources are already initialized."
+    execution_mode: MultiStep
+    update_sequence:
+      - RawScript: aptos-move/aptos-release-builder/data/proposals/enable_chunky_dkg_v1.move

aptos-move/aptos-release-builder/data/proposals/enable_chunky_dkg_v1.move

@@ -0,0 +1,23 @@
+// Enable ChunkyDKG (ConfigV1) — full activation, replacing regular DKG.
+// Prerequisite: ChunkyDKG framework resources must already be initialized
+// (see encrypted_mempool_initialization.move).
+script {
+    use aptos_framework::aptos_governance;
+    use aptos_framework::chunky_dkg_config;
+    use aptos_std::fixed_point64;
+
+    fun main(proposal_id: u64) {
+        let framework = aptos_governance::resolve_multi_step_proposal(
+            proposal_id,
+            @0x1,
+            {{ script_hash }},
+        );
+
+        let config = chunky_dkg_config::new_v1(
+            fixed_point64::create_from_rational(1, 2), // secrecy_threshold: 1/2
+            fixed_point64::create_from_rational(2, 3), // reconstruction_threshold: 2/3
+        );
+        chunky_dkg_config::set_for_next_epoch(&framework, config);
+        aptos_governance::reconfigure(&framework);
+    }
+}