diff --git a/changelog.d/added-adr-0025-sync.md b/changelog.d/added-adr-0025-sync.md
new file mode 100644
index 0000000..0e4a376
--- /dev/null
+++ b/changelog.d/added-adr-0025-sync.md
@@ -0,0 +1 @@
+- Sync Hive ADR 0025 (central stage engine) to the docs site and list it in the ADR nav.
diff --git a/scripts/sync-hive-docs.main.test.ts b/scripts/sync-hive-docs.main.test.ts
index 32b0eca..85490c9 100644
--- a/scripts/sync-hive-docs.main.test.ts
+++ b/scripts/sync-hive-docs.main.test.ts
@@ -65,7 +65,7 @@ async function runSync(): Promise<{ out: string; err: string }> {
     () => {
       const done =
         exitSpy.mock.calls.length > 0 ||
-        joinCalls(logSpy).includes("adr/0024-provider-credential-lifecycle.md");
+        joinCalls(logSpy).includes("adr/0025-central-stage-engine.md");
       if (!done) throw new Error("sync still running");
     },
     { timeout: 5_000, interval: 5 }
diff --git a/scripts/sync-hive-docs.ts b/scripts/sync-hive-docs.ts
index ee582fb..9c7b63e 100644
--- a/scripts/sync-hive-docs.ts
+++ b/scripts/sync-hive-docs.ts
@@ -82,6 +82,7 @@ const files: Array<{ source: string; target?: string; route?: string }> = [
   { source: "adr/0022-opt-in-earned-codex-reset-redemption.md" },
   { source: "adr/0023-trusted-author-automerge.md" },
   { source: "adr/0024-provider-credential-lifecycle.md" },
+  { source: "adr/0025-central-stage-engine.md" },
 ];
 
 const localHiveDocs: Array<{ source: string; target?: string }> = [
diff --git a/src/app/docs/page-map.ts b/src/app/docs/page-map.ts
index 10db28f..5695d99 100644
--- a/src/app/docs/page-map.ts
+++ b/src/app/docs/page-map.ts
@@ -180,6 +180,7 @@ const NAV_STRUCTURE_HIVE: Array<{ title: string; items: NavItem[] }> = [
         { '0022 Opt-in earned Codex reset redemption': 'adr/0022-opt-in-earned-codex-reset-redemption.md' },
         { '0023 Trusted-author automerge': 'adr/0023-trusted-author-automerge.md' },
         { '0024 Provider credential lifecycle': 'adr/0024-provider-credential-lifecycle.md' },
+        { '0025 Central stage engine': 'adr/0025-central-stage-engine.md' },
       ] },
       { 'Environment variable reference': 'env-vars.md' },
     ]