File size: 3,980 Bytes
e249c6d | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 | import { isResponsesOutputLimitToolCallError } from "@openclaw/ai/diagnostics";
import { isContextOverflow } from "@openclaw/ai/internal/runtime";
import type { AssistantMessage } from "../../llm/types.js";
import { isRetryableAssistantError } from "../../llm/utils/retry.js";
import { sleep } from "../../utils/sleep.js";
import { classifyRateLimitWindow } from "../failover/retry-evidence.js";
import { AgentSessionExtensions } from "./agent-session-extensions.js";
export abstract class AgentSessionExecution extends AgentSessionExtensions {
// =========================================================================
// Auto-Retry
// =========================================================================
/**
* Check if an error is retryable (overloaded, rate limit, server errors).
* Context overflow errors are NOT retryable (handled by compaction instead).
*/
protected isRetryableError(message: AssistantMessage): boolean {
if (message.stopReason !== "error" || !message.errorMessage) {
return false;
}
// Context overflow is handled by compaction, not retry
const contextWindow = this.model?.contextWindow ?? 0;
if (isContextOverflow(message, contextWindow)) {
return false;
}
return isResponsesOutputLimitToolCallError(message) || isRetryableAssistantError(message);
}
/**
* Prepare a retryable error for continuation with exponential backoff.
* @returns true if the caller should continue the agent, false otherwise
*/
protected async prepareRetry(message: AssistantMessage): Promise<boolean> {
const settings = this.settingsManager.getRetrySettings();
if (!settings.enabled) {
return false;
}
this.retryCount++;
if (this.retryCount > settings.maxRetries) {
// Preserve the completed attempt count so post-run handling can emit the final failure.
this.retryCount--;
return false;
}
const backoffDelayMs = settings.baseDelayMs * 2 ** (this.retryCount - 1);
const rateLimitWindow = classifyRateLimitWindow(message.errorMessage);
const retryAfterDelayMs =
rateLimitWindow.kind === "short" && rateLimitWindow.retryAfterSeconds !== undefined
? Math.ceil(rateLimitWindow.retryAfterSeconds * 1000)
: 0;
const delayMs = Math.max(backoffDelayMs, retryAfterDelayMs);
this.emit({
type: "auto_retry_start",
attempt: this.retryCount,
maxAttempts: settings.maxRetries,
delayMs,
errorMessage: message.errorMessage || "Unknown error",
});
// Async tool results can settle after the error. Keep them and the durable transcript.
const messages = this.agent.state.messages;
const failedIndex = messages.findLastIndex((candidate) => candidate === message);
if (failedIndex >= 0) {
this.agent.state.messages = messages.toSpliced(failedIndex, 1);
}
// Wait with exponential backoff (abortable)
this.retryAbortController = new AbortController();
try {
await sleep(delayMs, this.retryAbortController.signal);
} catch {
// Aborted during sleep - emit end event so UI can clean up
const attempt = this.retryCount;
this.retryCount = 0;
this.emit({
type: "auto_retry_end",
success: false,
attempt,
finalError: "Retry cancelled",
});
return false;
} finally {
this.retryAbortController = undefined;
}
return true;
}
/**
* Cancel in-progress retry.
*/
abortRetry(): void {
this.retryAbortController?.abort();
}
/** Whether auto-retry is currently in progress */
get isRetrying(): boolean {
return this.retryAbortController !== undefined;
}
/** Whether auto-retry is enabled */
get autoRetryEnabled(): boolean {
return this.settingsManager.getRetryEnabled();
}
/**
* Toggle auto-retry setting.
*/
setAutoRetryEnabled(enabled: boolean): void {
this.settingsManager.setRetryEnabled(enabled);
}
}
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