fix(runtime): classify run usage status

src/main/database/migrations/v54-v54.ts

@@ -0,0 +1,34 @@
+import log from "electron-log/main.js";
+import type { Migration, MigrationDeps } from "./types";
+import { columnExists, tableExists } from "./types";
+
+export function createMigrationsV54V54(deps: MigrationDeps): Migration[] {
+  const { db } = deps;
+  return [
+    {
+      version: 54,
+      name: "runs_usage_status",
+      fn: () => {
+        if (!tableExists(db, "runs")) {
+          log.info("[migration v54] runs table missing; nothing to do");
+          return;
+        }
+
+        if (!columnExists(db, "runs", "usage_status")) {
+          db.exec("ALTER TABLE runs ADD COLUMN usage_status TEXT NOT NULL DEFAULT 'pre_first_message'");
+          log.info("[migration v54] runs.usage_status column added");
+        }
+
+        db.exec(`
+          UPDATE runs
+             SET usage_status = CASE
+               WHEN unattributed_cost = 0 THEN 'ok'
+               WHEN status IN ('cancelled', 'interrupted') THEN 'aborted_before_usage'
+               ELSE 'pre_first_message'
+             END
+           WHERE usage_status = 'pre_first_message'
+        `);
+      },
+    },
+  ];
+}