Clarify usage quota semantics

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "codebase-cli",
-	"version": "2.0.0-pre.77",
+	"version": "2.0.0-pre.78",
 	"description": "Codebase CLI — a TypeScript coding agent on the pi-mono runtime. OAuth-aware, any LLM provider, single install.",
 	"keywords": [
 		"ai",

src/commands/builtins/usage.test.ts

@@ -2,7 +2,7 @@ import { mkdtempSync, rmSync } from "node:fs";
 import { tmpdir } from "node:os";
 import { join } from "node:path";
 import { afterEach, describe, expect, it, vi } from "vitest";
-import { fetchUsageReport, formatUsageBalance } from "./usage.js";
+import { fetchUsageReport, formatTurnQuotas, formatUsageBalance } from "./usage.js";
 
 let homeDir: string | undefined;
 
@@ -79,6 +79,20 @@ describe("formatUsageBalance", () => {
 	});
 });
 
+describe("formatTurnQuotas", () => {
+	it("distinguishes turn quotas from metered credits", () => {
+		expect(formatTurnQuotas({ anyBuildsRemaining: 5, cheapBuildsRemaining: 3 })).toEqual([
+			"Any-model turn quota remaining: 5",
+			"Low-cost model turn quota remaining: 3",
+			"Metered runs require both an eligible turn and credits; builds that fail final QA are not charged.",
+		]);
+	});
+
+	it("omits quota guidance when the endpoint returns no turn pools", () => {
+		expect(formatTurnQuotas({ creditsRemaining: 12 })).toEqual([]);
+	});
+});
+
 describe("fetchUsageReport", () => {
 	it("prints the login hint when no Codebase session exists", async () => {
 		isolateHome();

src/commands/builtins/usage.ts

@@ -24,7 +24,7 @@ interface Balance {
  */
 export const usage: Command = {
 	name: "usage",
-	description: "Show metered credits and included Codebase turn allowances.",
+	description: "Show metered credits and Codebase turn quotas.",
 	handler: async (_args, ctx) => {
 		ctx.emit(await fetchUsageReport());
 		return { handled: true };
@@ -67,18 +67,27 @@ export async function fetchUsageReport(): Promise<string> {
 		} else {
 			lines.push("Monthly allowance was not returned yet; showing remaining credits only.");
 		}
-		if (typeof b.anyBuildsRemaining === "number" && b.anyBuildsRemaining >= 0) {
-			lines.push(`Included web-build turns remaining: ${b.anyBuildsRemaining.toLocaleString()}`);
-		}
-		if (typeof b.cheapBuildsRemaining === "number" && b.cheapBuildsRemaining >= 0) {
-			lines.push(`Included fast coding turns remaining: ${b.cheapBuildsRemaining.toLocaleString()}`);
-		}
+		lines.push(...formatTurnQuotas(b));
 		return lines.join("\n");
 	} catch (err) {
 		return `Couldn't fetch usage: ${(err as Error).message}`;
 	}
 }
 
+export function formatTurnQuotas(b: Balance): string[] {
+	const lines: string[] = [];
+	if (typeof b.anyBuildsRemaining === "number" && b.anyBuildsRemaining >= 0) {
+		lines.push(`Any-model turn quota remaining: ${b.anyBuildsRemaining.toLocaleString()}`);
+	}
+	if (typeof b.cheapBuildsRemaining === "number" && b.cheapBuildsRemaining >= 0) {
+		lines.push(`Low-cost model turn quota remaining: ${b.cheapBuildsRemaining.toLocaleString()}`);
+	}
+	if (lines.length > 0) {
+		lines.push("Metered runs require both an eligible turn and credits; builds that fail final QA are not charged.");
+	}
+	return lines;
+}
+
 export function formatUsageBalance(b: Balance): {
 	creditLine: string;
 	days: number | null;