fix: resolve duplicate property definition in Matrix plugin

extensions/matrix/src/runtime-api.ts

@@ -1,4 +1,28 @@
-export * from "../../../src/plugin-sdk/matrix.js";
+// Re-export helper-api symbols from their local source to break the circular
+// re-export path: openclaw/plugin-sdk/matrix re-exports from
+// extensions/matrix/helper-api.js, so importing plugin-sdk/matrix here would
+// cause Jiti to define these properties twice (once via the local module graph
+// and once via the alias round-trip), triggering "Cannot redefine property".
+export {
+  requiresExplicitMatrixDefaultAccount,
+  resolveMatrixDefaultOrOnlyAccountId,
+} from "./account-selection.js";
+export { getMatrixScopedEnvVarNames } from "./env-vars.js";
+export {
+  resolveMatrixAccountStorageRoot,
+  resolveMatrixCredentialsDir,
+  resolveMatrixCredentialsPath,
+  resolveMatrixLegacyFlatStoragePaths,
+} from "./storage-paths.js";
+// Thread-binding helpers that plugin-sdk/matrix re-exports from extensions/matrix.
+export {
+  setMatrixThreadBindingIdleTimeoutBySessionKey,
+  setMatrixThreadBindingMaxAgeBySessionKey,
+} from "./matrix/thread-bindings-shared.js";
+// Star re-export for the remaining (non-extension) symbols in plugin-sdk/matrix.
+// Properties already defined above are skipped by the CJS interop guard, so the
+// circular helper-api path is never reached for those symbols.
+export * from "openclaw/plugin-sdk/matrix";
 export {
   assertHttpUrlTargetsPrivateNetwork,
   closeDispatcher,