fix: set Content-Type application/json for REST API requests (#52)

AGENTS.md

@@ -0,0 +1,45 @@
+# bump 1777865703
+# bump 1777865792
+# bump 1777867274
+# bump 1777910591
+# bump 1777953676
+# bump 1777996874
+# bump 1778040076
+# bump 1778083283
+# bump 1778126477
+# bump 1778169674
+# bump 1778212869
+# bump 1778256064
+# bump 1778299260
+# bump 1778342460
+# bump 1778385660
+# bump 1778428861
+# bump 1778472061
+# bump 1778515268
+# bump 1778558447
+# bump 1778601652
+# bump 1778644846
+# bump 1778688051
+# bump 1778731250
+# bump 1778774450
+# bump 1778817649
+# bump 1778860851
+# bump 1778904047
+# bump 1778947248
+# bump 1778990449
+# bump 1779033645
+# bump 1779076847
+# bump 1779120052
+# bump 1779163249
+# bump 1779206450
+# bump 1779249649
+# bump 1779292851
+# bump 1779336046
+# bump 1779379253
+# bump 1779422449
+# bump 1779465649
+# bump 1779508845
+# bump 1779552047
+# bump 1779595247
+# bump 1779638446
+# bump 1779681646

webui-src/app/rswebui.js

@@ -111,6 +111,7 @@ function rsJsonApiRequest(
   config = null
 ) {
   headers['Accept'] = 'application/json';
+  headers['Content-Type'] = 'application/json';
   if (loginKey.isVerified) {
     if (loginKey.username && loginKey.passwd) {
       headers['Authorization'] = 'Basic ' + btoa(loginKey.username + ':' + loginKey.passwd);