Swap canonical model from openrouter to models.dev (#6625)

ui/desktop/openapi.json

@@ -4868,7 +4868,7 @@
           "input_token_cost": {
             "type": "number",
             "format": "double",
-            "description": "Cost per token for input (optional)",
+            "description": "Cost per token for input in USD (optional)",
             "nullable": true
           },
           "name": {
@@ -4878,7 +4878,7 @@
           "output_token_cost": {
             "type": "number",
             "format": "double",
-            "description": "Cost per token for output (optional)",
+            "description": "Cost per token for output in USD (optional)",
             "nullable": true
           },
           "supports_cache_control": {

ui/desktop/src/api/types.gen.ts

@@ -573,7 +573,7 @@ export type ModelInfo = {
      */
     currency?: string | null;
     /**
-     * Cost per token for input (optional)
+     * Cost per token for input in USD (optional)
      */
     input_token_cost?: number | null;
     /**
@@ -581,7 +581,7 @@ export type ModelInfo = {
      */
     name: string;
     /**
-     * Cost per token for output (optional)
+     * Cost per token for output in USD (optional)
      */
     output_token_cost?: number | null;
     /**