From e48d9828ea486c9bb67e701ace3287aef32c9a31 Mon Sep 17 00:00:00 2001
From: Hugo Chiang <hugo@gyroflow.xyz>
Date: Tue, 3 Mar 2026 21:00:48 +0800
Subject: [PATCH] feat(plugin/codex): add data residency header for OpenAI
 Enterprise

---
 packages/opencode/src/plugin/codex.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/packages/opencode/src/plugin/codex.ts b/packages/opencode/src/plugin/codex.ts
index 943295e64c..f7a6f40ae4 100644
--- a/packages/opencode/src/plugin/codex.ts
+++ b/packages/opencode/src/plugin/codex.ts
@@ -623,6 +623,10 @@ export async function CodexAuthPlugin(input: PluginInput): Promise<Hooks> {
       output.headers.originator = "opencode"
       output.headers["User-Agent"] = `opencode/${Installation.VERSION} (${os.platform()} ${os.release()}; ${os.arch()})`
       output.headers.session_id = input.sessionID
+      const residency = input.provider?.options?.enforce_residency
+      if (residency) {
+        output.headers["x-openai-internal-codex-residency"] = residency
+      }
     },
   }
 }