feat(cloud): Add support for custom cloud app URL configuration (#207)

* feat(cloud): Add support for custom cloud app URL configuration

- Extend CloudState and Config to include CloudAppURL
- Update RPC methods to handle both API and app URLs
- Modify cloud adoption and settings routes to support custom app URLs
- Remove hardcoded cloud app URL environment file
- Simplify cloud URL configuration in UI

* fix(cloud): Improve cloud URL configuration and adoption flow

- Update error handling in cloud URL configuration RPC method
- Modify cloud adoption route to support dynamic cloud URLs
- Remove hardcoded default cloud URLs in device access settings
- Refactor cloud adoption click handler to be more flexible

* refactor(cloud): Simplify cloud URL configuration RPC method

- Update rpcSetCloudUrl to return only an error
- Remove unnecessary boolean return value
- Improve error handling consistency

* refactor(ui): Simplify cloud provider configuration and URL handling

jsonrpc.go

@@ -753,37 +753,17 @@ func rpcSetSerialSettings(settings SerialSettings) error {
 	return nil
 }
 
-func rpcSetCloudUrl(url string) error {
-	if url == "" {
-		// Reset to default by removing from config
-		config.CloudURL = defaultConfig.CloudURL
-	} else {
-		config.CloudURL = url
-	}
+func rpcSetCloudUrl(apiUrl string, appUrl string) error {
+	config.CloudURL = apiUrl
+	config.CloudAppURL = appUrl
 
 	if err := SaveConfig(); err != nil {
 		return fmt.Errorf("failed to save config: %w", err)
 	}
+
 	return nil
 }
 
-func rpcGetCloudUrl() (string, error) {
-	return config.CloudURL, nil
-}
-
-func rpcResetCloudUrl() error {
-	// Reset to default by removing from config
-	config.CloudURL = defaultConfig.CloudURL
-	if err := SaveConfig(); err != nil {
-		return fmt.Errorf("failed to reset cloud URL: %w", err)
-	}
-	return nil
-}
-
-func rpcGetDefaultCloudUrl() (string, error) {
-	return defaultConfig.CloudURL, nil
-}
-
 var rpcHandlers = map[string]RPCHandler{
 	"ping":                   {Func: rpcPing},
 	"getDeviceID":            {Func: rpcGetDeviceID},
@@ -842,8 +822,5 @@ var rpcHandlers = map[string]RPCHandler{
 	"setATXPowerAction":      {Func: rpcSetATXPowerAction, Params: []string{"action"}},
 	"getSerialSettings":      {Func: rpcGetSerialSettings},
 	"setSerialSettings":      {Func: rpcSetSerialSettings, Params: []string{"settings"}},
-	"setCloudUrl":            {Func: rpcSetCloudUrl, Params: []string{"url"}},
-	"getCloudUrl":            {Func: rpcGetCloudUrl},
-	"resetCloudUrl":          {Func: rpcResetCloudUrl},
-	"getDefaultCloudUrl":     {Func: rpcGetDefaultCloudUrl},
+	"setCloudUrl":            {Func: rpcSetCloudUrl, Params: []string{"apiUrl", "appUrl"}},
 }