fix: extend Sub2API compact proxy timeout

scripts/platform-infra-sub2api-codex-local-config-contract-test.ts

@@ -1,4 +1,4 @@
-import { renderCodexLocalConsumerToml } from "./src/platform-infra-sub2api-codex";
+import { renderCaddySiteBlock, renderCodexLocalConsumerToml } from "./src/platform-infra-sub2api-codex";
 
 function assertCondition(condition: unknown, message: string, detail: unknown = {}): void {
   if (!condition) throw new Error(`${message}: ${JSON.stringify(detail)}`);
@@ -58,11 +58,19 @@ const disabled = renderCodexLocalConsumerToml(existing, {
 assertCondition(disabled.includes("supports_websockets = false"), "disabled localCodex policy must render provider WebSocket transport off", disabled);
 assertCondition(disabled.includes("responses_websockets_v2 = false"), "disabled localCodex policy must render Responses WebSocket v2 off", disabled);
 
+const caddyBlock = renderCaddySiteBlock("sub2api.example.test", "http://127.0.0.1:21880", 180);
+
+assertCondition(caddyBlock.includes("sub2api.example.test {"), "Caddy site block must use the configured domain", caddyBlock);
+assertCondition(caddyBlock.includes("reverse_proxy 127.0.0.1:21880"), "Caddy site block must use the configured local upstream", caddyBlock);
+assertCondition(caddyBlock.includes("response_header_timeout 180s"), "Caddy response header timeout must allow long Codex compact requests", caddyBlock);
+assertCondition(!caddyBlock.includes("response_header_timeout 30s"), "Caddy site block must not retain the old 30s compact timeout", caddyBlock);
+
 console.log(JSON.stringify({
   ok: true,
   checks: [
     "existing Codex TOML is upgraded to the Sub2API WSv2 consumer settings",
     "fresh Codex TOML creates provider and feature sections with WSv2 enabled",
     "disabled localCodex WebSocket policy renders both consumer flags off",
+    "Caddy site block uses the YAML-controlled long response-header timeout",
   ],
 }));