Remove hard timeouts and fallback paths in chat flow

Frontend/server/agent/langgraphCrmAgent.ts

@@ -430,13 +430,7 @@ export async function runLangGraphCrmAgentFor(input: {
       llmBaseURL = gigachatBaseUrl;
       llmModel = gigachatModel || "GigaChat-2-Max";
     } catch (e: any) {
-      return {
-        text: `Не удалось получить токен GigaChat: ${String(e?.message || e)}`,
-        plan: ["Проверить GIGACHAT_AUTH_KEY", "Проверить GIGACHAT_SCOPE", "Проверить сетевой доступ до OAuth endpoint и перезапустить dev-сервер"],
-        tools: [],
-        thinking: ["Провайдер GigaChat настроен, но OAuth не прошел."],
-        toolRuns: [],
-      };
+      throw new Error(`Не удалось получить токен GigaChat: ${String(e?.message || e)}`);
     }
   }
 
@@ -918,8 +912,6 @@ export async function runLangGraphCrmAgentFor(input: {
     tools: [crmTool],
   });
 
-  const maxCycles = Math.max(1, Math.min(Number(process.env.CF_AGENT_MAX_CYCLES ?? "3"), 8));
-  const cycleTimeoutMs = Math.max(5000, Math.min(Number(process.env.CF_AGENT_CYCLE_TIMEOUT_MS ?? "1200000"), 1800000));
   const tracingFlag = (process.env.LANGSMITH_TRACING ?? process.env.LANGCHAIN_TRACING_V2 ?? "").trim().toLowerCase();
   const tracingEnabled = tracingFlag === "1" || tracingFlag === "true" || tracingFlag === "yes";
   const langfuse = getLangfuseClient();
@@ -937,7 +929,6 @@ export async function runLangGraphCrmAgentFor(input: {
     },
     tags: ["clientsflow", "crm-agent", "langgraph"],
   });
-  let consecutiveNoProgress = 0;
   let finalText = "";
   const cycleNotes: string[] = [];
 
@@ -1011,7 +1002,7 @@ export async function runLangGraphCrmAgentFor(input: {
     };
   };
 
-  for (let cycle = 1; cycle <= maxCycles; cycle += 1) {
+  for (let cycle = 1; ; cycle += 1) {
     const userPrompt = cyclePrompt(input.userText, cycle, cycleNotes, pendingChanges.length);
     const cycleSpan = lfTrace?.span({
       name: "agent.cycle",
@@ -1028,7 +1019,11 @@ export async function runLangGraphCrmAgentFor(input: {
 
     let res: any;
     try {
-      const invokeConfig: Record<string, any> = { recursionLimit: 30 };
+      const invokeConfig: Record<string, any> = {};
+      const recursionLimit = Number(process.env.CF_AGENT_RECURSION_LIMIT ?? "1000000");
+      if (Number.isFinite(recursionLimit) && recursionLimit > 0) {
+        invokeConfig.recursionLimit = recursionLimit;
+      }
       if (tracingEnabled) {
         invokeConfig.runName = "clientsflow.crm_agent_cycle";
         invokeConfig.tags = ["clientsflow", "crm-agent", "langgraph"];
@@ -1040,20 +1035,15 @@ export async function runLangGraphCrmAgentFor(input: {
           cycle,
         };
       }
-      res = await Promise.race([
-        agent.invoke(
-          {
-            messages: [
-              { role: "system", content: system },
-              { role: "user", content: userPrompt },
-            ],
-          },
-          invokeConfig,
-        ),
-        new Promise((_resolve, reject) =>
-          setTimeout(() => reject(new Error(`Cycle timeout after ${cycleTimeoutMs}ms`)), cycleTimeoutMs),
-        ),
-      ]);
+      res = await agent.invoke(
+        {
+          messages: [
+            { role: "system", content: system },
+            { role: "user", content: userPrompt },
+          ],
+        },
+        invokeConfig,
+      );
     } catch (e: any) {
       await emitTrace({ text: "Один из шагов завершился ошибкой." });
       cycleSpan?.end({
@@ -1090,22 +1080,11 @@ export async function runLangGraphCrmAgentFor(input: {
         : "Промежуточный шаг не дал прогресса, проверяю следующий вариант.",
     });
 
-    if (!progressed) {
-      consecutiveNoProgress += 1;
-    } else {
-      consecutiveNoProgress = 0;
-    }
-
-    const done = (!progressed && cycle > 1) || cycle === maxCycles;
+    const done = !progressed && cycle > 1;
     if (done) {
       await emitTrace({ text: "Формирую итоговый ответ." });
       break;
     }
-
-    if (consecutiveNoProgress >= 2) {
-      await emitTrace({ text: "Останавливаюсь, чтобы не крутиться в пустом цикле." });
-      break;
-    }
   }
 
   lfTrace?.update({
@@ -1115,7 +1094,6 @@ export async function runLangGraphCrmAgentFor(input: {
       toolRunsCount: toolRuns.length,
       dbWritesCount: dbWrites.length,
       pendingChangesCount: pendingChanges.length,
-      maxCycles,
     },
   });
   void langfuse?.flushAsync().catch(() => {});