fix: preserve code agent sessions after turn failures

internal/cloud/code-agent-agentrun-adapter.ts

@@ -907,13 +907,14 @@ function agentRunResultToCodeAgentPayload({ base, result, traceStore, traceId })
     valuesPrinted: false
   });
   const partialContext = partialAgentRunContext(runnerTrace);
+  const recoverableFailure = !canceled;
   return {
     ...base,
     status: canceled ? "canceled" : "failed",
     canceled,
     updatedAt: now,
-    session: agentRunSessionSummary(base, canceled ? "canceled" : "failed"),
-    sessionReuse: agentRunSessionReuseSummary(base, base.agentRun.reused === true),
+    session: agentRunSessionSummary(base, canceled ? "canceled" : "idle"),
+    sessionReuse: agentRunSessionReuseSummary(base, base.agentRun.reused === true, { status: recoverableFailure ? "available-after-failed-command" : undefined }),
     runner: agentRunRunnerSummary(base.agentRun),
     runnerTrace: partialContext ? { ...runnerTrace, partialContext } : runnerTrace,
     toolCalls: agentRunToolCalls(result, canceled ? "canceled" : "failed"),
@@ -940,7 +941,8 @@ function agentRunResultToCodeAgentPayload({ base, result, traceStore, traceId })
       route: "/v1/agent/chat",
       toolName: "agentrun.manual-dispatch"
     },
-    agentRun: { ...base.agentRun, terminalStatus, completed: false, providerTrace, valuesPrinted: false },
+    agentRun: { ...base.agentRun, terminalStatus, completed: false, reuseEligible: recoverableFailure, providerTrace, valuesPrinted: false },
+    reuseEligible: recoverableFailure,
     ...(partialContext ? { partialContext } : {}),
     valuesPrinted: false
   };
@@ -1318,13 +1320,13 @@ function agentRunSessionSummary(base, status) {
   };
 }
 
-function agentRunSessionReuseSummary(base, reused) {
+function agentRunSessionReuseSummary(base, reused, options = {}) {
   return {
     sessionId: base.sessionId ?? base.agentRun?.sessionId ?? null,
     conversationId: base.conversationId ?? base.agentRun?.conversationId ?? null,
     threadId: base.threadId ?? base.agentRun?.threadId ?? null,
     reused: Boolean(reused),
-    status: reused ? "reused" : "new",
+    status: options.status ?? (reused ? "reused" : "new"),
     runnerReused: Boolean(reused),
     valuesRedacted: true
   };