ci(lazycodex): gate publish and install

src/cli/tui-installer.ts

@@ -13,6 +13,11 @@ import { detectedToInitialValues, formatConfigSummary, SYMBOLS } from "./install
 import { getUnsupportedOpenCodeVersionMessage } from "./minimum-opencode-version"
 import { promptInstallConfig, promptInstallPlatform } from "./tui-install-prompts"
 import { runCodexInstaller } from "./install-codex"
+import {
+  LAZYCODEX_DISABLED_MESSAGE,
+  isLazycodexPublishingEnabled,
+  platformRequiresLazycodex,
+} from "./lazycodex-feature-flag"
 
 export async function runTuiInstaller(args: InstallArgs, version: string): Promise<number> {
   if (!process.stdin.isTTY || !process.stdout.isTTY) {
@@ -22,6 +27,11 @@ export async function runTuiInstaller(args: InstallArgs, version: string): Promi
 
   const selectedPlatform = await promptInstallPlatform(args.platform ?? "opencode")
   if (!selectedPlatform) return 1
+  if (platformRequiresLazycodex(selectedPlatform) && !isLazycodexPublishingEnabled()) {
+    p.log.error(LAZYCODEX_DISABLED_MESSAGE)
+    p.outro(color.red("Installation blocked."))
+    return 1
+  }
 
   const hasOpenCode = selectedPlatform === "opencode" || selectedPlatform === "both"
   const detected = hasOpenCode