feat(history-sync): enable usage of codec with Future API

Author: XiNiHa

extensions/plugin-history-sync/src/historySyncPlugin.tsx

@@ -25,6 +25,8 @@ type ConfigHistorySync = {
 declare module "@stackflow/config" {
   interface ActivityDefinition<ActivityName extends string> {
     path: string;
+    decode?: (params: Record<string, string>) => Record<string, unknown>;
+    encode?: (params: Record<string, unknown>) => Record<string, string>;
   }
 
   interface Config<T extends ActivityDefinition<string>> {
@@ -74,7 +76,11 @@ export function historySyncPlugin<
       : options.config.activities.reduce(
           (acc, a) => ({
             ...acc,
-            [a.name]: a.path,
+            [a.name]: {
+              path: a.path,
+              decode: a.decode,
+              encode: a.encode,
+            },
           }),
           {},
         );