feat: add /exec session overrides

src/auto-reply/reply/directive-handling.persist.ts

@@ -118,6 +118,24 @@ export async function persistInlineDirectives(params: {
         (directives.elevatedLevel !== prevElevatedLevel && directives.elevatedLevel !== undefined);
       updated = true;
     }
+    if (directives.hasExecDirective && directives.hasExecOptions) {
+      if (directives.execHost) {
+        sessionEntry.execHost = directives.execHost;
+        updated = true;
+      }
+      if (directives.execSecurity) {
+        sessionEntry.execSecurity = directives.execSecurity;
+        updated = true;
+      }
+      if (directives.execAsk) {
+        sessionEntry.execAsk = directives.execAsk;
+        updated = true;
+      }
+      if (directives.execNode) {
+        sessionEntry.execNode = directives.execNode;
+        updated = true;
+      }
+    }
 
     const modelDirective =
       directives.hasModelDirective && params.effectiveModelDirective