feat(desktop): per-message usage stats UI (tokens, cost, TTFT, tok/s) (#10210)

Co-authored-by: Douwe M Osinga <douwe@sidewalklabs.com>
2026-07-06 13:51:06 -07:00
parent 8694a8d104
commit af2c765c82
40 changed files with 2093 additions and 22 deletions
@@ -4979,6 +4979,29 @@
              }
            }
          },
+          {
+            "type": "object",
+            "description": "Per-message token usage/cost, sent after the corresponding `Message`\nevent once the provider call's usage is known.",
+            "required": [
+              "usage",
+              "type"
+            ],
+            "properties": {
+              "message_id": {
+                "type": "string",
+                "nullable": true
+              },
+              "type": {
+                "type": "string",
+                "enum": [
+                  "MessageUsage"
+                ]
+              },
+              "usage": {
+                "$ref": "#/components/schemas/MessageUsage"
+              }
+            }
+          },
          {
            "type": "object",
            "required": [