wip: STCP TCP chat integration — diagnostics, invite TCP fallback, test infra

src/config_parser.c

@@ -767,6 +767,11 @@ static int parse_chatserver(const char *key, const char *value, struct global_co
         global->chatserver_storage_unit_size = sz;
         return 0;
     }
+    if (strcmp(key, "headless_control_bind") == 0) {
+        strncpy(global->headless_control_bind, value, sizeof(global->headless_control_bind) - 1);
+        global->headless_control_bind[sizeof(global->headless_control_bind) - 1] = '\0';
+        return 0;
+    }
     return -1;
 }