fix(coreweave): drop blank project header overrides

packages/ai/src/providers/openai-shared.ts

@@ -17,6 +17,7 @@ import {
 	COREWEAVE_PROJECT_HEADER,
 	coreWeaveProjectHeaders,
 	hasCoreWeaveProjectHeader,
+	removeBlankCoreWeaveProjectHeaders,
 } from "@oh-my-pi/pi-catalog/wire/coreweave";
 import { parseGitHubCopilotApiKey } from "@oh-my-pi/pi-catalog/wire/github-copilot";
 import {
@@ -160,6 +161,7 @@ function resolveSakanaRequestBaseUrl(): string | undefined {
 }
 
 function applyCoreWeaveProjectHeader(headers: Record<string, string>): void {
+	removeBlankCoreWeaveProjectHeaders(headers);
 	if (hasCoreWeaveProjectHeader(headers)) {
 		return;
 	}

packages/ai/test/coreweave-project-header.test.ts

@@ -96,9 +96,10 @@ describe("CoreWeave Serverless Inference project header", () => {
 		});
 
 		expect(setup.headers["OpenAI-Project"]).toBe("team/project");
+		expect(setup.headers["openai-project"]).toBeUndefined();
 	});
 
-	test("sends OpenAI-Project on chat-completions requests", async () => {
+	test("sends one OpenAI-Project header on chat-completions requests when a blank override is present", async () => {
 		Bun.env.COREWEAVE_PROJECT = "team/project";
 		const requestHeaders: Headers[] = [];
 		const fetchMock: FetchImpl = vi.fn(async (_input: string | URL | Request, init?: RequestInit) => {
@@ -109,6 +110,7 @@ describe("CoreWeave Serverless Inference project header", () => {
 		await completeSimple(getBundledModel("coreweave", "zai-org/GLM-5.2"), context, {
 			apiKey: "coreweave-key",
 			fetch: fetchMock,
+			headers: { "openai-project": "   " },
 		});
 
 		expect(requestHeaders[0]?.get("OpenAI-Project")).toBe("team/project");

packages/catalog/src/wire/coreweave.ts

@@ -40,3 +40,12 @@ export function hasCoreWeaveProjectHeader(headers: Record<string, string>): bool
 	const normalized = COREWEAVE_PROJECT_HEADER.toLowerCase();
 	return Object.entries(headers).some(([header, value]) => header.toLowerCase() === normalized && value.trim() !== "");
 }
+
+export function removeBlankCoreWeaveProjectHeaders(headers: Record<string, string>): void {
+	const normalized = COREWEAVE_PROJECT_HEADER.toLowerCase();
+	for (const [header, value] of Object.entries(headers)) {
+		if (header.toLowerCase() === normalized && value.trim() === "") {
+			delete headers[header];
+		}
+	}
+}