fix: add debug logging for session detail fallback path

When uwf-hermes falls back to raw text detail, log the reason: - session_id parsed but session file not found - session_id not parsed (with stderr/stdout preview) This helps diagnose intermittent structured detail loss (#380).
2026-05-22 08:21:37 +00:00
1 changed files with 7 additions and 0 deletions
@@ -107,6 +107,13 @@ async function runHermes(ctx: AgentContext): Promise<AgentRunResult> {
      const { detailHash, output } = await storeHermesSessionDetail(store, session);
      return { output, detailHash };
    }
+    process.stderr.write(`uwf-hermes: session file not found for ${sessionId}\n`);
+  } else {
+    const stderrPreview = stderr.slice(0, 200).replace(/\n/g, "\\n");
+    const stdoutPreview = stdout.slice(0, 200).replace(/\n/g, "\\n");
+    process.stderr.write(
+      `uwf-hermes: no session_id parsed. stderr=${stderrPreview} stdout=${stdoutPreview}\n`,
+    );
  }

  const detailHash = await storeHermesRawOutput(store, stdout);