feat: add mode field to JSON output, only emit stack_offset in clean mode

main.cpp

@@ -75,12 +75,13 @@ int main(int argc, char* argv[])
     }
 
     CFGBuilder builder(binary.get(), &dis, subsOnly);
-    if (subsOnly) cout << "mode: subs-only" << endl;
     CFG cfg = builder.build();
+    cfg.mode_str = subsOnly ? "subs-only" : "full";
 
     if (clean)
     {
         CFGBuilder::clean(cfg);
+        cfg.mode_str += "+clean";
         cout << "clean: xrefs=" << cfg.xrefs.size() << " functions=" << cfg.functions.size() << endl;
     }