fix(usage): suppress unknown total-only cost

obviyus · obviyus · commit 799488086414 · 2026-06-13T19:16:02.000+05:30
diff --git a/src/auto-reply/reply/agent-runner.misc.runreplyagent.test.ts b/src/auto-reply/reply/agent-runner.misc.runreplyagent.test.ts
@@ -2744,11 +2744,21 @@ describe("runReplyAgent response usage footer", () => {
     const res = await createRun({
       responseUsage: "full",
       sessionKey: "agent:main:whatsapp:dm:+1000",
+      config: {
+        models: {
+          providers: {
+            anthropic: {
+              models: [{ id: "claude", cost: { input: 3, output: 15 } }],
+            },
+          },
+        },
+      },
     });
     const payload = Array.isArray(res) ? res[0] : res;
     const text = payload?.text ?? "";
     expect(text).toContain("↕️ 1.3k");
     expect(text).not.toContain("↕️ ?/?");
+    expect(text).not.toContain("💰");
     expect(text).not.toContain("Usage:");
   });
 
diff --git a/src/auto-reply/reply/agent-runner.ts b/src/auto-reply/reply/agent-runner.ts
@@ -1738,6 +1738,12 @@ export async function runReplyAgent(params: {
     }
 
     const usage = runResult.meta?.agentMeta?.usage;
+    const hasBillableUsageBuckets =
+      usage &&
+      (usage.input !== undefined ||
+        usage.output !== undefined ||
+        usage.cacheRead !== undefined ||
+        usage.cacheWrite !== undefined);
     const promptTokens = runResult.meta?.agentMeta?.promptTokens;
     const modelUsed = runResult.meta?.agentMeta?.model ?? fallbackModel ?? defaultModel;
     const providerUsed =
@@ -1773,7 +1779,7 @@ export async function runReplyAgent(params: {
           followupRun.run.provider && followupRun.run.model
             ? `${followupRun.run.provider}/${followupRun.run.model}`
             : undefined,
-        turnUsd: usage
+        turnUsd: hasBillableUsageBuckets
           ? estimateUsageCost({
               usage,
               cost: resolveModelCostConfig({
@@ -2130,7 +2136,9 @@ export async function runReplyAgent(params: {
         model: modelUsed,
         config: cfg,
       });
-      const costUsd = estimateUsageCost({ usage, cost: costConfig });
+      const costUsd = hasBillableUsageBuckets
+        ? estimateUsageCost({ usage, cost: costConfig })
+        : undefined;
       emitTrustedDiagnosticEvent({
         type: "model.usage",
         ...(runResult.diagnosticTrace
