v0.2.8 operator dashboard with per-call audit log + cost tracking

server/backends/gemini.js

@@ -120,6 +120,10 @@ export function createGeminiBackend({
         // that handles this exact shape.
         segments: [],
         duration_seconds: 0,
+        // Pass usage + the model id back to the route so audit-log
+        // entries can include token counts + computed cost.
+        usage: result?.usageMetadata || null,
+        model: transcriptionModel,
       };
     } finally {
       try { await fs.rm(tmpDir, { recursive: true, force: true }); } catch {}
@@ -138,6 +142,8 @@ export function createGeminiBackend({
     });
     return {
       text: safeText(result) || "",
+      usage: result?.usageMetadata || null,
+      model: analysisModel,
     };
   }