Add session expiry renewal flow

scripts/autoload/ccs_service.gd

@@ -31,6 +31,7 @@ var pending_action := ""
 var queue: Array = []
 var text_scale := 1.0
 var highlights := {}
+var request_access_token := ""
 
 
 func _ready() -> void:
@@ -148,11 +149,12 @@ func _send(action: String, method: int, suffix: String, payload: Dictionary = {}
 	if is_loading:
 		queue.append({"action": action, "method": method, "url": url, "payload": payload.duplicate(true)})
 		return
-	if AuthState.access_token.is_empty():
+	if not AuthState.can_send_authenticated_request():
 		return
 	is_loading = true
 	pending_action = action
-	var headers := PackedStringArray(["Authorization: Bearer %s" % AuthState.access_token])
+	request_access_token = AuthState.access_token
+	var headers := PackedStringArray(["Authorization: Bearer %s" % request_access_token])
 	var body := ""
 	if not payload.is_empty():
 		headers.append("Content-Type: application/json")
@@ -168,6 +170,8 @@ func _on_request_completed(result: int, response_code: int, _headers: PackedStri
 	pending_action = ""
 	is_loading = false
 	call_deferred("_process_queue")
+	if response_code == 401:
+		AuthState.handle_unauthorized(request_access_token)
 	if result != HTTPRequest.RESULT_SUCCESS or response_code < 200 or response_code >= 300:
 		var detail := body.get_string_from_utf8().strip_edges().left(240)
 		var message := "CCS request failed (%d). %s" % [response_code, detail]