feat(memory): document Voyage embeddings + VOYAGE_API_KEY (#7078) (thanks @mcinteerj) (#10699)

src/agents/model-auth.test.ts

@@ -463,4 +463,28 @@ describe("getApiKeyForModel", () => {
       }
     }
   });
+
+  it("accepts VOYAGE_API_KEY for voyage", async () => {
+    const previous = process.env.VOYAGE_API_KEY;
+
+    try {
+      process.env.VOYAGE_API_KEY = "voyage-test-key";
+
+      vi.resetModules();
+      const { resolveApiKeyForProvider } = await import("./model-auth.js");
+
+      const resolved = await resolveApiKeyForProvider({
+        provider: "voyage",
+        store: { version: 1, profiles: {} },
+      });
+      expect(resolved.apiKey).toBe("voyage-test-key");
+      expect(resolved.source).toContain("VOYAGE_API_KEY");
+    } finally {
+      if (previous === undefined) {
+        delete process.env.VOYAGE_API_KEY;
+      } else {
+        process.env.VOYAGE_API_KEY = previous;
+      }
+    }
+  });
 });

src/agents/model-auth.ts

@@ -287,6 +287,7 @@ export function resolveEnvApiKey(provider: string): EnvApiKeyResult | null {
   const envMap: Record<string, string> = {
     openai: "OPENAI_API_KEY",
     google: "GEMINI_API_KEY",
+    voyage: "VOYAGE_API_KEY",
     groq: "GROQ_API_KEY",
     deepgram: "DEEPGRAM_API_KEY",
     cerebras: "CEREBRAS_API_KEY",