feat: add startup status messages showing agent provenance (#147)

Co-authored-by: Letta <noreply@letta.com>

src/tests/agent/init-blocks.test.ts

@@ -54,7 +54,7 @@ describeOrSkip("createAgent init-blocks filtering", () => {
   test(
     "only requested memory blocks are created/registered",
     async () => {
-      const agent = await createAgent(
+      const { agent } = await createAgent(
         "init-blocks-test",
         undefined,
         "openai/text-embedding-3-small",

src/tests/message.smoke.ts

@@ -14,7 +14,7 @@ async function main() {
   }
 
   console.log("🧠  Creating test agent...");
-  const agent = await createAgent("smoke-agent", "openai/gpt-4.1");
+  const { agent } = await createAgent("smoke-agent", "openai/gpt-4.1");
   console.log(`✅  Agent created: ${agent.id}`);
 
   console.log("💬  Sending test message...");

src/tests/test-image-send.ts

@@ -12,7 +12,7 @@ async function main() {
 
   // Create agent
   console.log("\nCreating test agent...");
-  const agent = await createAgent("image-test-agent");
+  const { agent } = await createAgent("image-test-agent");
   console.log("Agent created:", agent.id);
 
   // Read image