fix: release completed agentrun workspace turns

internal/cloud/server-code-agent-http.ts

@@ -850,7 +850,7 @@ async function claimWorkbenchWorkspaceTurn({ params = {}, options = {}, traceId,
     return { blocked: true };
   }
   const activeTraceId = safeTraceId(workspace.activeTraceId);
-  const activeResult = activeTraceId ? options.codeAgentChatResults?.get(activeTraceId) ?? null : null;
+  const activeResult = activeTraceId ? await resolveWorkbenchActiveTraceResult(activeTraceId, options) : null;
   if (activeTraceId && (!activeResult || activeResult.status === "running")) {
     sendJson(response, 409, {
       ok: false,
@@ -890,6 +890,29 @@ async function claimWorkbenchWorkspaceTurn({ params = {}, options = {}, traceId,
   return { workspace: updated ?? workspace };
 }
 
+async function resolveWorkbenchActiveTraceResult(traceId, options = {}) {
+  if (!safeTraceId(traceId)) return null;
+  const cached = options.codeAgentChatResults?.get?.(traceId) ?? null;
+  if (cached?.agentRun?.runId && cached.status === "running") {
+    try {
+      const synced = await syncAgentRunChatResult({ traceId, currentResult: cached, options, traceStore: options.traceStore ?? defaultCodeAgentTraceStore });
+      return synced.result ?? cached;
+    } catch {
+      return cached;
+    }
+  }
+  if (cached) return cached;
+  if (!codeAgentAgentRunAdapterEnabled(options.env ?? process.env)) return null;
+  try {
+    const persisted = await loadPersistedAgentRunResult(traceId, options);
+    if (!persisted?.agentRun?.runId) return persisted;
+    const synced = await syncAgentRunChatResult({ traceId, currentResult: persisted, options, traceStore: options.traceStore ?? defaultCodeAgentTraceStore });
+    return synced.result ?? persisted;
+  } catch {
+    return null;
+  }
+}
+
 function safeWorkspaceId(value) {
   const text = textValue(value);
   return /^wsp_[A-Za-z0-9_.:-]+$/u.test(text) ? text : "";