From a6d3617b11ec899085490888a6b340ced8ad19eb Mon Sep 17 00:00:00 2001
From: Nikhil Gupta <100pranjalgupta@gmail.com>
Date: Thu, 11 Jun 2026 00:16:29 +0530
Subject: [PATCH] serve: log trace directory on startup

---
 .../src/altimate/observability/trace-consumer.ts  | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/packages/opencode/src/altimate/observability/trace-consumer.ts b/packages/opencode/src/altimate/observability/trace-consumer.ts
index 2cd464927..6a6682389 100644
--- a/packages/opencode/src/altimate/observability/trace-consumer.ts
+++ b/packages/opencode/src/altimate/observability/trace-consumer.ts
@@ -58,6 +58,12 @@ export class TraceConsumer {
   private exporters: TraceExporter[] | undefined
   private maxFiles: number | undefined
 
+  getTraceDirectory(): string | undefined {
+    const fileExporter = this.exporters?.find((exp) => exp instanceof FileExporter)
+
+    return fileExporter instanceof FileExporter ? fileExporter.getDir() : undefined
+  }
+
   /**
    * Optional overrides bypass config loading entirely — used by tests to
    * inject a FileExporter pointed at a temp directory.
@@ -394,6 +400,15 @@ export function subscribeTraceConsumer(
 
   const loopPromise = (async () => {
     await consumer.loadConfig()
+
+    const traceDir = consumer.getTraceDirectory()
+
+    if (traceDir) {
+      Log.Default.info("[tracing] session traces", {
+        directory: traceDir,
+      })
+    }
+
     // Exponential backoff on repeated failure so a durably-down stream doesn't
     // hot-loop; reset to the base delay after a successful subscription.
     let backoff = BASE_BACKOFF_MS