Harden dev mode defaults

js/config.js

@@ -47,10 +47,39 @@ import {
 
 export const WATCH_HISTORY_VERSION_TAG_VALUE = "2";
 
-export const isDevMode = Boolean(IS_DEV_MODE);
+const runtimeScope = typeof globalThis === "undefined" ? null : globalThis;
+
+const parseBooleanOverride = (value) => {
+  if (typeof value === "boolean") {
+    return value;
+  }
+  if (typeof value === "string") {
+    const normalized = value.trim().toLowerCase();
+    if (normalized === "true") {
+      return true;
+    }
+    if (normalized === "false") {
+      return false;
+    }
+  }
+  return null;
+};
+
+const devModeOverride = parseBooleanOverride(
+  runtimeScope?.__BITVID_DEV_MODE_OVERRIDE__
+);
+const verboseDevModeOverride = parseBooleanOverride(
+  runtimeScope?.__BITVID_VERBOSE_DEV_MODE_OVERRIDE__
+);
+
+export const isDevMode =
+  devModeOverride === null ? Boolean(IS_DEV_MODE) : devModeOverride;
 export { IS_DEV_MODE };
 
-export const isVerboseDevMode = Boolean(IS_VERBOSE_DEV_MODE);
+export const isVerboseDevMode =
+  verboseDevModeOverride === null
+    ? Boolean(IS_VERBOSE_DEV_MODE)
+    : verboseDevModeOverride;
 export { IS_VERBOSE_DEV_MODE };
 
 export const isLockdownMode = Boolean(IS_LOCKDOWN_MODE);