openclaw/src/agents/pi-embedded-runner/run/attempt.ts

import fs from "node:fs/promises";
import os from "node:os";
import type { AgentMessage } from "@mariozechner/pi-agent-core";
import { streamSimple } from "@mariozechner/pi-ai";
import {
  createAgentSession,
  DefaultResourceLoader,
  SessionManager,
  SettingsManager,
} from "@mariozechner/pi-coding-agent";
import { resolveHeartbeatPrompt } from "../../../auto-reply/heartbeat.js";
import { resolveChannelCapabilities } from "../../../config/channel-capabilities.js";
import type { OpenClawConfig } from "../../../config/config.js";
import { getMachineDisplayName } from "../../../infra/machine-name.js";
import { MAX_IMAGE_BYTES } from "../../../media/constants.js";
import { getGlobalHookRunner } from "../../../plugins/hook-runner-global.js";
import type {
  PluginHookAgentContext,
  PluginHookBeforeAgentStartResult,
  PluginHookBeforePromptBuildResult,
} from "../../../plugins/types.js";
import { isSubagentSessionKey } from "../../../routing/session-key.js";
import { resolveSignalReactionLevel } from "../../../signal/reaction-level.js";
import { resolveTelegramInlineButtonsScope } from "../../../telegram/inline-buttons.js";
import { resolveTelegramReactionLevel } from "../../../telegram/reaction-level.js";
import { buildTtsSystemPromptHint } from "../../../tts/tts.js";
import { resolveUserPath } from "../../../utils.js";
import { normalizeMessageChannel } from "../../../utils/message-channel.js";
import { isReasoningTagProvider } from "../../../utils/provider-utils.js";
import { resolveOpenClawAgentDir } from "../../agent-paths.js";
import { resolveSessionAgentIds } from "../../agent-scope.js";
import { createAnthropicPayloadLogger } from "../../anthropic-payload-log.js";
import { makeBootstrapWarn, resolveBootstrapContextForRun } from "../../bootstrap-files.js";
import { createCacheTrace } from "../../cache-trace.js";
import {
  listChannelSupportedActions,
  resolveChannelMessageToolHints,
} from "../../channel-tools.js";
import { DEFAULT_CONTEXT_TOKENS } from "../../defaults.js";
import { resolveOpenClawDocsPath } from "../../docs-path.js";
import { isTimeoutError } from "../../failover-error.js";
import { resolveImageSanitizationLimits } from "../../image-sanitization.js";
import { resolveModelAuthMode } from "../../model-auth.js";
import { resolveDefaultModelForAgent } from "../../model-selection.js";
import { createOllamaStreamFn, OLLAMA_NATIVE_BASE_URL } from "../../ollama-stream.js";
import { resolveOwnerDisplaySetting } from "../../owner-display.js";
import {
  isCloudCodeAssistFormatError,
  resolveBootstrapMaxChars,
  resolveBootstrapTotalMaxChars,
  validateAnthropicTurns,
  validateGeminiTurns,
} from "../../pi-embedded-helpers.js";
import { subscribeEmbeddedPiSession } from "../../pi-embedded-subscribe.js";
import { applyPiCompactionSettingsFromConfig } from "../../pi-settings.js";
import { toClientToolDefinitions } from "../../pi-tool-definition-adapter.js";
import { createOpenClawCodingTools, resolveToolLoopDetectionConfig } from "../../pi-tools.js";
import { resolveSandboxContext } from "../../sandbox.js";
import { resolveSandboxRuntimeStatus } from "../../sandbox/runtime-status.js";
import { repairSessionFileIfNeeded } from "../../session-file-repair.js";
import { guardSessionManager } from "../../session-tool-result-guard-wrapper.js";
import { sanitizeToolUseResultPairing } from "../../session-transcript-repair.js";
import {
  acquireSessionWriteLock,
  resolveSessionLockMaxHoldFromTimeout,
} from "../../session-write-lock.js";
import { detectRuntimeShell } from "../../shell-utils.js";
import {
  applySkillEnvOverrides,
  applySkillEnvOverridesFromSnapshot,
  loadWorkspaceSkillEntries,
  resolveSkillsPromptForRun,
} from "../../skills.js";
import { buildSystemPromptParams } from "../../system-prompt-params.js";
import { buildSystemPromptReport } from "../../system-prompt-report.js";
import { sanitizeToolCallIdsForCloudCodeAssist } from "../../tool-call-id.js";
import { resolveEffectiveToolFsWorkspaceOnly } from "../../tool-fs-policy.js";
import { resolveTranscriptPolicy } from "../../transcript-policy.js";
import { DEFAULT_BOOTSTRAP_FILENAME } from "../../workspace.js";
import { isRunnerAbortError } from "../abort.js";
import { appendCacheTtlTimestamp, isCacheTtlEligibleProvider } from "../cache-ttl.js";
import { buildEmbeddedExtensionFactories } from "../extensions.js";
import { applyExtraParamsToAgent } from "../extra-params.js";
import {
  logToolSchemasForGoogle,
  sanitizeSessionHistory,
  sanitizeToolsForGoogle,
} from "../google.js";
import { getDmHistoryLimitFromSessionKey, limitHistoryTurns } from "../history.js";
import { log } from "../logger.js";
import { buildModelAliasLines } from "../model.js";
import {
  clearActiveEmbeddedRun,
  type EmbeddedPiQueueHandle,
  setActiveEmbeddedRun,
} from "../runs.js";
import { buildEmbeddedSandboxInfo } from "../sandbox-info.js";
import { prewarmSessionFile, trackSessionManagerAccess } from "../session-manager-cache.js";
import { prepareSessionManagerForRun } from "../session-manager-init.js";
import {
  applySystemPromptOverrideToSession,
  buildEmbeddedSystemPrompt,
  createSystemPromptOverride,
} from "../system-prompt.js";
import { dropThinkingBlocks } from "../thinking.js";
import { collectAllowedToolNames } from "../tool-name-allowlist.js";
import { installToolResultContextGuard } from "../tool-result-context-guard.js";
import { splitSdkTools } from "../tool-split.js";
import { describeUnknownError, mapThinkingLevel } from "../utils.js";
import { flushPendingToolResultsAfterIdle } from "../wait-for-idle-before-flush.js";
import {
  selectCompactionTimeoutSnapshot,
  shouldFlagCompactionTimeout,
} from "./compaction-timeout.js";
import { pruneProcessedHistoryImages } from "./history-image-prune.js";
import { detectAndLoadPromptImages } from "./images.js";
import type { EmbeddedRunAttemptParams, EmbeddedRunAttemptResult } from "./types.js";

type PromptBuildHookRunner = {
  hasHooks: (hookName: "before_prompt_build" | "before_agent_start") => boolean;
  runBeforePromptBuild: (
    event: { prompt: string; messages: unknown[] },
    ctx: PluginHookAgentContext,
  ) => Promise<PluginHookBeforePromptBuildResult | undefined>;
  runBeforeAgentStart: (
    event: { prompt: string; messages: unknown[] },
    ctx: PluginHookAgentContext,
  ) => Promise<PluginHookBeforeAgentStartResult | undefined>;
};

export async function resolvePromptBuildHookResult(params: {
  prompt: string;
  messages: unknown[];
  hookCtx: PluginHookAgentContext;
  hookRunner?: PromptBuildHookRunner | null;
  legacyBeforeAgentStartResult?: PluginHookBeforeAgentStartResult;
}): Promise<PluginHookBeforePromptBuildResult> {
  const promptBuildResult = params.hookRunner?.hasHooks("before_prompt_build")
    ? await params.hookRunner
        .runBeforePromptBuild(
          {
            prompt: params.prompt,
            messages: params.messages,
          },
          params.hookCtx,
        )
        .catch((hookErr: unknown) => {
          log.warn(`before_prompt_build hook failed: ${String(hookErr)}`);
          return undefined;
        })
    : undefined;
  const legacyResult =
    params.legacyBeforeAgentStartResult ??
    (params.hookRunner?.hasHooks("before_agent_start")
      ? await params.hookRunner
          .runBeforeAgentStart(
            {
              prompt: params.prompt,
              messages: params.messages,
            },
            params.hookCtx,
          )
          .catch((hookErr: unknown) => {
            log.warn(
              `before_agent_start hook (legacy prompt build path) failed: ${String(hookErr)}`,
            );
            return undefined;
          })
      : undefined);
  return {
    systemPrompt: promptBuildResult?.systemPrompt ?? legacyResult?.systemPrompt,
    prependContext: [promptBuildResult?.prependContext, legacyResult?.prependContext]
      .filter((value): value is string => Boolean(value))
      .join("\n\n"),
  };
}

export function resolvePromptModeForSession(sessionKey?: string): "minimal" | "full" {
  if (!sessionKey) {
    return "full";
  }
  return isSubagentSessionKey(sessionKey) ? "minimal" : "full";
}

export function resolveAttemptFsWorkspaceOnly(params: {
  config?: OpenClawConfig;
  sessionAgentId: string;
}): boolean {
  return resolveEffectiveToolFsWorkspaceOnly({
    cfg: params.config,
    agentId: params.sessionAgentId,
  });
}

function summarizeMessagePayload(msg: AgentMessage): { textChars: number; imageBlocks: number } {
  const content = (msg as { content?: unknown }).content;
  if (typeof content === "string") {
    return { textChars: content.length, imageBlocks: 0 };
  }
  if (!Array.isArray(content)) {
    return { textChars: 0, imageBlocks: 0 };
  }

  let textChars = 0;
  let imageBlocks = 0;
  for (const block of content) {
    if (!block || typeof block !== "object") {
      continue;
    }
    const typedBlock = block as { type?: unknown; text?: unknown };
    if (typedBlock.type === "image") {
      imageBlocks++;
      continue;
    }
    if (typeof typedBlock.text === "string") {
      textChars += typedBlock.text.length;
    }
  }

  return { textChars, imageBlocks };
}

function summarizeSessionContext(messages: AgentMessage[]): {
  roleCounts: string;
  totalTextChars: number;
  totalImageBlocks: number;
  maxMessageTextChars: number;
} {
  const roleCounts = new Map<string, number>();
  let totalTextChars = 0;
  let totalImageBlocks = 0;
  let maxMessageTextChars = 0;

  for (const msg of messages) {
    const role = typeof msg.role === "string" ? msg.role : "unknown";
    roleCounts.set(role, (roleCounts.get(role) ?? 0) + 1);

    const payload = summarizeMessagePayload(msg);
    totalTextChars += payload.textChars;
    totalImageBlocks += payload.imageBlocks;
    if (payload.textChars > maxMessageTextChars) {
      maxMessageTextChars = payload.textChars;
    }
  }

  return {
    roleCounts:
      [...roleCounts.entries()]
        .toSorted((a, b) => a[0].localeCompare(b[0]))
        .map(([role, count]) => `${role}:${count}`)
        .join(",") || "none",
    totalTextChars,
    totalImageBlocks,
    maxMessageTextChars,
  };
}

export async function runEmbeddedAttempt(
  params: EmbeddedRunAttemptParams,
): Promise<EmbeddedRunAttemptResult> {
  const resolvedWorkspace = resolveUserPath(params.workspaceDir);
  const prevCwd = process.cwd();
  const runAbortController = new AbortController();

  log.debug(
    `embedded run start: runId=${params.runId} sessionId=${params.sessionId} provider=${params.provider} model=${params.modelId} thinking=${params.thinkLevel} messageChannel=${params.messageChannel ?? params.messageProvider ?? "unknown"}`,
  );

  await fs.mkdir(resolvedWorkspace, { recursive: true });

  const sandboxSessionKey = params.sessionKey?.trim() || params.sessionId;
  const sandbox = await resolveSandboxContext({
    config: params.config,
    sessionKey: sandboxSessionKey,
    workspaceDir: resolvedWorkspace,
  });
  const effectiveWorkspace = sandbox?.enabled
    ? sandbox.workspaceAccess === "rw"
      ? resolvedWorkspace
      : sandbox.workspaceDir
    : resolvedWorkspace;
  await fs.mkdir(effectiveWorkspace, { recursive: true });

  let restoreSkillEnv: (() => void) | undefined;
  process.chdir(effectiveWorkspace);
  try {
    const shouldLoadSkillEntries = !params.skillsSnapshot || !params.skillsSnapshot.resolvedSkills;
    const skillEntries = shouldLoadSkillEntries
      ? loadWorkspaceSkillEntries(effectiveWorkspace)
      : [];
    restoreSkillEnv = params.skillsSnapshot
      ? applySkillEnvOverridesFromSnapshot({
          snapshot: params.skillsSnapshot,
          config: params.config,
        })
      : applySkillEnvOverrides({
          skills: skillEntries ?? [],
          config: params.config,
        });

    const skillsPrompt = resolveSkillsPromptForRun({
      skillsSnapshot: params.skillsSnapshot,
      entries: shouldLoadSkillEntries ? skillEntries : undefined,
      config: params.config,
      workspaceDir: effectiveWorkspace,
    });

    const sessionLabel = params.sessionKey ?? params.sessionId;
    const { bootstrapFiles: hookAdjustedBootstrapFiles, contextFiles } =
      await resolveBootstrapContextForRun({
        workspaceDir: effectiveWorkspace,
        config: params.config,
        sessionKey: params.sessionKey,
        sessionId: params.sessionId,
        warn: makeBootstrapWarn({ sessionLabel, warn: (message) => log.warn(message) }),
      });
    const workspaceNotes = hookAdjustedBootstrapFiles.some(
      (file) => file.name === DEFAULT_BOOTSTRAP_FILENAME && !file.missing,
    )
      ? ["Reminder: commit your changes in this workspace after edits."]
      : undefined;

    const agentDir = params.agentDir ?? resolveOpenClawAgentDir();

    const { defaultAgentId, sessionAgentId } = resolveSessionAgentIds({
      sessionKey: params.sessionKey,
      config: params.config,
      agentId: params.agentId,
    });
    const effectiveFsWorkspaceOnly = resolveAttemptFsWorkspaceOnly({
      config: params.config,
      sessionAgentId,
    });
    // Check if the model supports native image input
    const modelHasVision = params.model.input?.includes("image") ?? false;
    const toolsRaw = params.disableTools
      ? []
      : createOpenClawCodingTools({
          agentId: sessionAgentId,
          exec: {
            ...params.execOverrides,
            elevated: params.bashElevated,
          },
          sandbox,
          messageProvider: params.messageChannel ?? params.messageProvider,
          agentAccountId: params.agentAccountId,
          messageTo: params.messageTo,
          messageThreadId: params.messageThreadId,
          groupId: params.groupId,
          groupChannel: params.groupChannel,
          groupSpace: params.groupSpace,
          spawnedBy: params.spawnedBy,
          senderId: params.senderId,
          senderName: params.senderName,
          senderUsername: params.senderUsername,
          senderE164: params.senderE164,
          senderIsOwner: params.senderIsOwner,
          sessionKey: params.sessionKey ?? params.sessionId,
          agentDir,
          workspaceDir: effectiveWorkspace,
          config: params.config,
          abortSignal: runAbortController.signal,
          modelProvider: params.model.provider,
          modelId: params.modelId,
          modelContextWindowTokens: params.model.contextWindow,
          modelAuthMode: resolveModelAuthMode(params.model.provider, params.config),
          currentChannelId: params.currentChannelId,
          currentThreadTs: params.currentThreadTs,
          currentMessageId: params.currentMessageId,
          replyToMode: params.replyToMode,
          hasRepliedRef: params.hasRepliedRef,
          modelHasVision,
          requireExplicitMessageTarget:
            params.requireExplicitMessageTarget ?? isSubagentSessionKey(params.sessionKey),
          disableMessageTool: params.disableMessageTool,
        });
    const tools = sanitizeToolsForGoogle({ tools: toolsRaw, provider: params.provider });
    const allowedToolNames = collectAllowedToolNames({
      tools,
      clientTools: params.clientTools,
    });
    logToolSchemasForGoogle({ tools, provider: params.provider });

    const machineName = await getMachineDisplayName();
    const runtimeChannel = normalizeMessageChannel(params.messageChannel ?? params.messageProvider);
    let runtimeCapabilities = runtimeChannel
      ? (resolveChannelCapabilities({
          cfg: params.config,
          channel: runtimeChannel,
          accountId: params.agentAccountId,
        }) ?? [])
      : undefined;
    if (runtimeChannel === "telegram" && params.config) {
      const inlineButtonsScope = resolveTelegramInlineButtonsScope({
        cfg: params.config,
        accountId: params.agentAccountId ?? undefined,
      });
      if (inlineButtonsScope !== "off") {
        if (!runtimeCapabilities) {
          runtimeCapabilities = [];
        }
        if (
          !runtimeCapabilities.some((cap) => String(cap).trim().toLowerCase() === "inlinebuttons")
        ) {
          runtimeCapabilities.push("inlineButtons");
        }
      }
    }
    const reactionGuidance =
      runtimeChannel && params.config
        ? (() => {
            if (runtimeChannel === "telegram") {
              const resolved = resolveTelegramReactionLevel({
                cfg: params.config,
                accountId: params.agentAccountId ?? undefined,
              });
              const level = resolved.agentReactionGuidance;
              return level ? { level, channel: "Telegram" } : undefined;
            }
            if (runtimeChannel === "signal") {
              const resolved = resolveSignalReactionLevel({
                cfg: params.config,
                accountId: params.agentAccountId ?? undefined,
              });
              const level = resolved.agentReactionGuidance;
              return level ? { level, channel: "Signal" } : undefined;
            }
            return undefined;
          })()
        : undefined;
    const sandboxInfo = buildEmbeddedSandboxInfo(sandbox, params.bashElevated);
    const reasoningTagHint = isReasoningTagProvider(params.provider);
    // Resolve channel-specific message actions for system prompt
    const channelActions = runtimeChannel
      ? listChannelSupportedActions({
          cfg: params.config,
          channel: runtimeChannel,
        })
      : undefined;
    const messageToolHints = runtimeChannel
      ? resolveChannelMessageToolHints({
          cfg: params.config,
          channel: runtimeChannel,
          accountId: params.agentAccountId,
        })
      : undefined;

    const defaultModelRef = resolveDefaultModelForAgent({
      cfg: params.config ?? {},
      agentId: sessionAgentId,
    });
    const defaultModelLabel = `${defaultModelRef.provider}/${defaultModelRef.model}`;
    const { runtimeInfo, userTimezone, userTime, userTimeFormat } = buildSystemPromptParams({
      config: params.config,
      agentId: sessionAgentId,
      workspaceDir: effectiveWorkspace,
      cwd: process.cwd(),
      runtime: {
        host: machineName,
        os: `${os.type()} ${os.release()}`,
        arch: os.arch(),
        node: process.version,
        model: `${params.provider}/${params.modelId}`,
        defaultModel: defaultModelLabel,
        shell: detectRuntimeShell(),
        channel: runtimeChannel,
        capabilities: runtimeCapabilities,
        channelActions,
      },
    });
    const isDefaultAgent = sessionAgentId === defaultAgentId;
    const promptMode = resolvePromptModeForSession(params.sessionKey);
    const docsPath = await resolveOpenClawDocsPath({
      workspaceDir: effectiveWorkspace,
      argv1: process.argv[1],
      cwd: process.cwd(),
      moduleUrl: import.meta.url,
    });
    const ttsHint = params.config ? buildTtsSystemPromptHint(params.config) : undefined;
    const ownerDisplay = resolveOwnerDisplaySetting(params.config);

    const appendPrompt = buildEmbeddedSystemPrompt({
      workspaceDir: effectiveWorkspace,
      defaultThinkLevel: params.thinkLevel,
      reasoningLevel: params.reasoningLevel ?? "off",
      extraSystemPrompt: params.extraSystemPrompt,
      ownerNumbers: params.ownerNumbers,
      ownerDisplay: ownerDisplay.ownerDisplay,
      ownerDisplaySecret: ownerDisplay.ownerDisplaySecret,
      reasoningTagHint,
      heartbeatPrompt: isDefaultAgent
        ? resolveHeartbeatPrompt(params.config?.agents?.defaults?.heartbeat?.prompt)
        : undefined,
      skillsPrompt,
      docsPath: docsPath ?? undefined,
      ttsHint,
      workspaceNotes,
      reactionGuidance,
      promptMode,
      acpEnabled: params.config?.acp?.enabled !== false,
      runtimeInfo,
      messageToolHints,
      sandboxInfo,
      tools,
      modelAliasLines: buildModelAliasLines(params.config),
      userTimezone,
      userTime,
      userTimeFormat,
      contextFiles,
      memoryCitationsMode: params.config?.memory?.citations,
    });
    const systemPromptReport = buildSystemPromptReport({
      source: "run",
      generatedAt: Date.now(),
      sessionId: params.sessionId,
      sessionKey: params.sessionKey,
      provider: params.provider,
      model: params.modelId,
      workspaceDir: effectiveWorkspace,
      bootstrapMaxChars: resolveBootstrapMaxChars(params.config),
      bootstrapTotalMaxChars: resolveBootstrapTotalMaxChars(params.config),
      sandbox: (() => {
        const runtime = resolveSandboxRuntimeStatus({
          cfg: params.config,
          sessionKey: params.sessionKey ?? params.sessionId,
        });
        return { mode: runtime.mode, sandboxed: runtime.sandboxed };
      })(),
      systemPrompt: appendPrompt,
      bootstrapFiles: hookAdjustedBootstrapFiles,
      injectedFiles: contextFiles,
      skillsPrompt,
      tools,
    });
    const systemPromptOverride = createSystemPromptOverride(appendPrompt);
    let systemPromptText = systemPromptOverride();

    const sessionLock = await acquireSessionWriteLock({
      sessionFile: params.sessionFile,
      maxHoldMs: resolveSessionLockMaxHoldFromTimeout({
        timeoutMs: params.timeoutMs,
      }),
    });

    let sessionManager: ReturnType<typeof guardSessionManager> | undefined;
    let session: Awaited<ReturnType<typeof createAgentSession>>["session"] | undefined;
    let removeToolResultContextGuard: (() => void) | undefined;
    try {
      await repairSessionFileIfNeeded({
        sessionFile: params.sessionFile,
        warn: (message) => log.warn(message),
      });
      const hadSessionFile = await fs
        .stat(params.sessionFile)
        .then(() => true)
        .catch(() => false);

      const transcriptPolicy = resolveTranscriptPolicy({
        modelApi: params.model?.api,
        provider: params.provider,
        modelId: params.modelId,
      });

      await prewarmSessionFile(params.sessionFile);
      sessionManager = guardSessionManager(SessionManager.open(params.sessionFile), {
        agentId: sessionAgentId,
        sessionKey: params.sessionKey,
        inputProvenance: params.inputProvenance,
        allowSyntheticToolResults: transcriptPolicy.allowSyntheticToolResults,
        allowedToolNames,
      });
      trackSessionManagerAccess(params.sessionFile);

      await prepareSessionManagerForRun({
        sessionManager,
        sessionFile: params.sessionFile,
        hadSessionFile,
        sessionId: params.sessionId,
        cwd: effectiveWorkspace,
      });

      const settingsManager = SettingsManager.create(effectiveWorkspace, agentDir);
      applyPiCompactionSettingsFromConfig({
        settingsManager,
        cfg: params.config,
      });

      // Sets compaction/pruning runtime state and returns extension factories
      // that must be passed to the resource loader for the safeguard to be active.
      const extensionFactories = buildEmbeddedExtensionFactories({
        cfg: params.config,
        sessionManager,
        provider: params.provider,
        modelId: params.modelId,
        model: params.model,
      });
      // Only create an explicit resource loader when there are extension factories
      // to register; otherwise let createAgentSession use its built-in default.
      let resourceLoader: DefaultResourceLoader | undefined;
      if (extensionFactories.length > 0) {
        resourceLoader = new DefaultResourceLoader({
          cwd: resolvedWorkspace,
          agentDir,
          settingsManager,
          extensionFactories,
        });
        await resourceLoader.reload();
      }

      // Get hook runner early so it's available when creating tools
      const hookRunner = getGlobalHookRunner();

      const { builtInTools, customTools } = splitSdkTools({
        tools,
        sandboxEnabled: !!sandbox?.enabled,
      });

      // Add client tools (OpenResponses hosted tools) to customTools
      let clientToolCallDetected: { name: string; params: Record<string, unknown> } | null = null;
      const clientToolLoopDetection = resolveToolLoopDetectionConfig({
        cfg: params.config,
        agentId: sessionAgentId,
      });
      const clientToolDefs = params.clientTools
        ? toClientToolDefinitions(
            params.clientTools,
            (toolName, toolParams) => {
              clientToolCallDetected = { name: toolName, params: toolParams };
            },
            {
              agentId: sessionAgentId,
              sessionKey: params.sessionKey,
              loopDetection: clientToolLoopDetection,
            },
          )
        : [];

      const allCustomTools = [...customTools, ...clientToolDefs];

      ({ session } = await createAgentSession({
        cwd: resolvedWorkspace,
        agentDir,
        authStorage: params.authStorage,
        modelRegistry: params.modelRegistry,
        model: params.model,
        thinkingLevel: mapThinkingLevel(params.thinkLevel),
        tools: builtInTools,
        customTools: allCustomTools,
        sessionManager,
        settingsManager,
        resourceLoader,
      }));
      applySystemPromptOverrideToSession(session, systemPromptText);
      if (!session) {
        throw new Error("Embedded agent session missing");
      }
      const activeSession = session;
      removeToolResultContextGuard = installToolResultContextGuard({
        agent: activeSession.agent,
        contextWindowTokens: Math.max(
          1,
          Math.floor(
            params.model.contextWindow ?? params.model.maxTokens ?? DEFAULT_CONTEXT_TOKENS,
          ),
        ),
      });
      const cacheTrace = createCacheTrace({
        cfg: params.config,
        env: process.env,
        runId: params.runId,
        sessionId: activeSession.sessionId,
        sessionKey: params.sessionKey,
        provider: params.provider,
        modelId: params.modelId,
        modelApi: params.model.api,
        workspaceDir: params.workspaceDir,
      });
      const anthropicPayloadLogger = createAnthropicPayloadLogger({
        env: process.env,
        runId: params.runId,
        sessionId: activeSession.sessionId,
        sessionKey: params.sessionKey,
        provider: params.provider,
        modelId: params.modelId,
        modelApi: params.model.api,
        workspaceDir: params.workspaceDir,
      });

      // Ollama native API: bypass SDK's streamSimple and use direct /api/chat calls
      // for reliable streaming + tool calling support (#11828).
      if (params.model.api === "ollama") {
        // Use the resolved model baseUrl first so custom provider aliases work.
        const providerConfig = params.config?.models?.providers?.[params.model.provider];
        const modelBaseUrl =
          typeof params.model.baseUrl === "string" ? params.model.baseUrl.trim() : "";
        const providerBaseUrl =
          typeof providerConfig?.baseUrl === "string" ? providerConfig.baseUrl.trim() : "";
        const ollamaBaseUrl = modelBaseUrl || providerBaseUrl || OLLAMA_NATIVE_BASE_URL;
        activeSession.agent.streamFn = createOllamaStreamFn(ollamaBaseUrl);
      } else {
        // Force a stable streamFn reference so vitest can reliably mock @mariozechner/pi-ai.
        activeSession.agent.streamFn = streamSimple;
      }

      applyExtraParamsToAgent(
        activeSession.agent,
        params.config,
        params.provider,
        params.modelId,
        params.streamParams,
        params.thinkLevel,
        sessionAgentId,
      );

      if (cacheTrace) {
        cacheTrace.recordStage("session:loaded", {
          messages: activeSession.messages,
          system: systemPromptText,
          note: "after session create",
        });
        activeSession.agent.streamFn = cacheTrace.wrapStreamFn(activeSession.agent.streamFn);
      }

      // Copilot/Claude can reject persisted `thinking` blocks (e.g. thinkingSignature:"reasoning_text")
      // on *any* follow-up provider call (including tool continuations). Wrap the stream function
      // so every outbound request sees sanitized messages.
      if (transcriptPolicy.dropThinkingBlocks) {
        const inner = activeSession.agent.streamFn;
        activeSession.agent.streamFn = (model, context, options) => {
          const ctx = context as unknown as { messages?: unknown };
          const messages = ctx?.messages;
          if (!Array.isArray(messages)) {
            return inner(model, context, options);
          }
          const sanitized = dropThinkingBlocks(messages as unknown as AgentMessage[]) as unknown;
          if (sanitized === messages) {
            return inner(model, context, options);
          }
          const nextContext = {
            ...(context as unknown as Record<string, unknown>),
            messages: sanitized,
          } as unknown;
          return inner(model, nextContext as typeof context, options);
        };
      }

      // Mistral (and other strict providers) reject tool call IDs that don't match their
      // format requirements (e.g. [a-zA-Z0-9]{9}). sanitizeSessionHistory only processes
      // historical messages at attempt start, but the agent loop's internal tool call →
      // tool result cycles bypass that path. Wrap streamFn so every outbound request
      // sees sanitized tool call IDs.
      if (transcriptPolicy.sanitizeToolCallIds && transcriptPolicy.toolCallIdMode) {
        const inner = activeSession.agent.streamFn;
        const mode = transcriptPolicy.toolCallIdMode;
        activeSession.agent.streamFn = (model, context, options) => {
          const ctx = context as unknown as { messages?: unknown };
          const messages = ctx?.messages;
          if (!Array.isArray(messages)) {
            return inner(model, context, options);
          }
          const sanitized = sanitizeToolCallIdsForCloudCodeAssist(messages as AgentMessage[], mode);
          if (sanitized === messages) {
            return inner(model, context, options);
          }
          const nextContext = {
            ...(context as unknown as Record<string, unknown>),
            messages: sanitized,
          } as unknown;
          return inner(model, nextContext as typeof context, options);
        };
      }

      if (anthropicPayloadLogger) {
        activeSession.agent.streamFn = anthropicPayloadLogger.wrapStreamFn(
          activeSession.agent.streamFn,
        );
      }

      try {
        const prior = await sanitizeSessionHistory({
          messages: activeSession.messages,
          modelApi: params.model.api,
          modelId: params.modelId,
          provider: params.provider,
          allowedToolNames,
          config: params.config,
          sessionManager,
          sessionId: params.sessionId,
          policy: transcriptPolicy,
        });
        cacheTrace?.recordStage("session:sanitized", { messages: prior });
        const validatedGemini = transcriptPolicy.validateGeminiTurns
          ? validateGeminiTurns(prior)
          : prior;
        const validated = transcriptPolicy.validateAnthropicTurns
          ? validateAnthropicTurns(validatedGemini)
          : validatedGemini;
        const truncated = limitHistoryTurns(
          validated,
          getDmHistoryLimitFromSessionKey(params.sessionKey, params.config),
        );
        // Re-run tool_use/tool_result pairing repair after truncation, since
        // limitHistoryTurns can orphan tool_result blocks by removing the
        // assistant message that contained the matching tool_use.
        const limited = transcriptPolicy.repairToolUseResultPairing
          ? sanitizeToolUseResultPairing(truncated)
          : truncated;
        cacheTrace?.recordStage("session:limited", { messages: limited });
        if (limited.length > 0) {
          activeSession.agent.replaceMessages(limited);
        }
      } catch (err) {
        await flushPendingToolResultsAfterIdle({
          agent: activeSession?.agent,
          sessionManager,
        });
        activeSession.dispose();
        throw err;
      }

      let aborted = Boolean(params.abortSignal?.aborted);
      let timedOut = false;
      let timedOutDuringCompaction = false;
      const getAbortReason = (signal: AbortSignal): unknown =>
        "reason" in signal ? (signal as { reason?: unknown }).reason : undefined;
      const makeTimeoutAbortReason = (): Error => {
        const err = new Error("request timed out");
        err.name = "TimeoutError";
        return err;
      };
      const makeAbortError = (signal: AbortSignal): Error => {
        const reason = getAbortReason(signal);
        const err = reason ? new Error("aborted", { cause: reason }) : new Error("aborted");
        err.name = "AbortError";
        return err;
      };
      const abortRun = (isTimeout = false, reason?: unknown) => {
        aborted = true;
        if (isTimeout) {
          timedOut = true;
        }
        if (isTimeout) {
          runAbortController.abort(reason ?? makeTimeoutAbortReason());
        } else {
          runAbortController.abort(reason);
        }
        void activeSession.abort();
      };
      const abortable = <T>(promise: Promise<T>): Promise<T> => {
        const signal = runAbortController.signal;
        if (signal.aborted) {
          return Promise.reject(makeAbortError(signal));
        }
        return new Promise<T>((resolve, reject) => {
          const onAbort = () => {
            signal.removeEventListener("abort", onAbort);
            reject(makeAbortError(signal));
          };
          signal.addEventListener("abort", onAbort, { once: true });
          promise.then(
            (value) => {
              signal.removeEventListener("abort", onAbort);
              resolve(value);
            },
            (err) => {
              signal.removeEventListener("abort", onAbort);
              reject(err);
            },
          );
        });
      };

      const subscription = subscribeEmbeddedPiSession({
        session: activeSession,
        runId: params.runId,
        hookRunner: getGlobalHookRunner() ?? undefined,
        verboseLevel: params.verboseLevel,
        reasoningMode: params.reasoningLevel ?? "off",
        toolResultFormat: params.toolResultFormat,
        shouldEmitToolResult: params.shouldEmitToolResult,
        shouldEmitToolOutput: params.shouldEmitToolOutput,
        onToolResult: params.onToolResult,
        onReasoningStream: params.onReasoningStream,
        onReasoningEnd: params.onReasoningEnd,
        onBlockReply: params.onBlockReply,
        onBlockReplyFlush: params.onBlockReplyFlush,
        blockReplyBreak: params.blockReplyBreak,
        blockReplyChunking: params.blockReplyChunking,
        onPartialReply: params.onPartialReply,
        onAssistantMessageStart: params.onAssistantMessageStart,
        onAgentEvent: params.onAgentEvent,
        enforceFinalTag: params.enforceFinalTag,
        config: params.config,
        sessionKey: params.sessionKey ?? params.sessionId,
      });

      const {
        assistantTexts,
        toolMetas,
        unsubscribe,
        waitForCompactionRetry,
        getMessagingToolSentTexts,
        getMessagingToolSentMediaUrls,
        getMessagingToolSentTargets,
        getSuccessfulCronAdds,
        didSendViaMessagingTool,
        getLastToolError,
        getUsageTotals,
        getCompactionCount,
      } = subscription;

      const queueHandle: EmbeddedPiQueueHandle = {
        queueMessage: async (text: string) => {
          await activeSession.steer(text);
        },
        isStreaming: () => activeSession.isStreaming,
        isCompacting: () => subscription.isCompacting(),
        abort: abortRun,
      };
      setActiveEmbeddedRun(params.sessionId, queueHandle, params.sessionKey);

      let abortWarnTimer: NodeJS.Timeout | undefined;
      const isProbeSession = params.sessionId?.startsWith("probe-") ?? false;
      const abortTimer = setTimeout(
        () => {
          if (!isProbeSession) {
            log.warn(
              `embedded run timeout: runId=${params.runId} sessionId=${params.sessionId} timeoutMs=${params.timeoutMs}`,
            );
          }
          if (
            shouldFlagCompactionTimeout({
              isTimeout: true,
              isCompactionPendingOrRetrying: subscription.isCompacting(),
              isCompactionInFlight: activeSession.isCompacting,
            })
          ) {
            timedOutDuringCompaction = true;
          }
          abortRun(true);
          if (!abortWarnTimer) {
            abortWarnTimer = setTimeout(() => {
              if (!activeSession.isStreaming) {
                return;
              }
              if (!isProbeSession) {
                log.warn(
                  `embedded run abort still streaming: runId=${params.runId} sessionId=${params.sessionId}`,
                );
              }
            }, 10_000);
          }
        },
        Math.max(1, params.timeoutMs),
      );

      let messagesSnapshot: AgentMessage[] = [];
      let sessionIdUsed = activeSession.sessionId;
      const onAbort = () => {
        const reason = params.abortSignal ? getAbortReason(params.abortSignal) : undefined;
        const timeout = reason ? isTimeoutError(reason) : false;
        if (
          shouldFlagCompactionTimeout({
            isTimeout: timeout,
            isCompactionPendingOrRetrying: subscription.isCompacting(),
            isCompactionInFlight: activeSession.isCompacting,
          })
        ) {
          timedOutDuringCompaction = true;
        }
        abortRun(timeout, reason);
      };
      if (params.abortSignal) {
        if (params.abortSignal.aborted) {
          onAbort();
        } else {
          params.abortSignal.addEventListener("abort", onAbort, {
            once: true,
          });
        }
      }

      // Hook runner was already obtained earlier before tool creation
      const hookAgentId = sessionAgentId;

      let promptError: unknown = null;
      let promptErrorSource: "prompt" | "compaction" | null = null;
      try {
        const promptStartedAt = Date.now();

        // Run before_prompt_build hooks to allow plugins to inject prompt context.
        // Legacy compatibility: before_agent_start is also checked for context fields.
        let effectivePrompt = params.prompt;
        const hookCtx = {
          agentId: hookAgentId,
          sessionKey: params.sessionKey,
          sessionId: params.sessionId,
          workspaceDir: params.workspaceDir,
          messageProvider: params.messageProvider ?? undefined,
        };
        const hookResult = await resolvePromptBuildHookResult({
          prompt: params.prompt,
          messages: activeSession.messages,
          hookCtx,
          hookRunner,
          legacyBeforeAgentStartResult: params.legacyBeforeAgentStartResult,
        });
        {
          if (hookResult?.prependContext) {
            effectivePrompt = `${hookResult.prependContext}\n\n${params.prompt}`;
            log.debug(
              `hooks: prepended context to prompt (${hookResult.prependContext.length} chars)`,
            );
          }
          const legacySystemPrompt =
            typeof hookResult?.systemPrompt === "string" ? hookResult.systemPrompt.trim() : "";
          if (legacySystemPrompt) {
            applySystemPromptOverrideToSession(activeSession, legacySystemPrompt);
            systemPromptText = legacySystemPrompt;
            log.debug(`hooks: applied systemPrompt override (${legacySystemPrompt.length} chars)`);
          }
        }

        log.debug(`embedded run prompt start: runId=${params.runId} sessionId=${params.sessionId}`);
        cacheTrace?.recordStage("prompt:before", {
          prompt: effectivePrompt,
          messages: activeSession.messages,
        });

        // Repair orphaned trailing user messages so new prompts don't violate role ordering.
        const leafEntry = sessionManager.getLeafEntry();
        if (leafEntry?.type === "message" && leafEntry.message.role === "user") {
          if (leafEntry.parentId) {
            sessionManager.branch(leafEntry.parentId);
          } else {
            sessionManager.resetLeaf();
          }
          const sessionContext = sessionManager.buildSessionContext();
          activeSession.agent.replaceMessages(sessionContext.messages);
          log.warn(
            `Removed orphaned user message to prevent consecutive user turns. ` +
              `runId=${params.runId} sessionId=${params.sessionId}`,
          );
        }

        try {
          // Idempotent cleanup for legacy sessions with persisted image payloads.
          // Called each run; only mutates already-answered user turns that still carry image blocks.
          const didPruneImages = pruneProcessedHistoryImages(activeSession.messages);
          if (didPruneImages) {
            activeSession.agent.replaceMessages(activeSession.messages);
          }

          // Detect and load images referenced in the prompt for vision-capable models.
          // Images are prompt-local only (pi-like behavior).
          const imageResult = await detectAndLoadPromptImages({
            prompt: effectivePrompt,
            workspaceDir: effectiveWorkspace,
            model: params.model,
            existingImages: params.images,
            maxBytes: MAX_IMAGE_BYTES,
            maxDimensionPx: resolveImageSanitizationLimits(params.config).maxDimensionPx,
            workspaceOnly: effectiveFsWorkspaceOnly,
            // Enforce sandbox path restrictions when sandbox is enabled
            sandbox:
              sandbox?.enabled && sandbox?.fsBridge
                ? { root: sandbox.workspaceDir, bridge: sandbox.fsBridge }
                : undefined,
          });

          cacheTrace?.recordStage("prompt:images", {
            prompt: effectivePrompt,
            messages: activeSession.messages,
            note: `images: prompt=${imageResult.images.length}`,
          });

          // Diagnostic: log context sizes before prompt to help debug early overflow errors.
          if (log.isEnabled("debug")) {
            const msgCount = activeSession.messages.length;
            const systemLen = systemPromptText?.length ?? 0;
            const promptLen = effectivePrompt.length;
            const sessionSummary = summarizeSessionContext(activeSession.messages);
            log.debug(
              `[context-diag] pre-prompt: sessionKey=${params.sessionKey ?? params.sessionId} ` +
                `messages=${msgCount} roleCounts=${sessionSummary.roleCounts} ` +
                `historyTextChars=${sessionSummary.totalTextChars} ` +
                `maxMessageTextChars=${sessionSummary.maxMessageTextChars} ` +
                `historyImageBlocks=${sessionSummary.totalImageBlocks} ` +
                `systemPromptChars=${systemLen} promptChars=${promptLen} ` +
                `promptImages=${imageResult.images.length} ` +
                `provider=${params.provider}/${params.modelId} sessionFile=${params.sessionFile}`,
            );
          }

          if (hookRunner?.hasHooks("llm_input")) {
            hookRunner
              .runLlmInput(
                {
                  runId: params.runId,
                  sessionId: params.sessionId,
                  provider: params.provider,
                  model: params.modelId,
                  systemPrompt: systemPromptText,
                  prompt: effectivePrompt,
                  historyMessages: activeSession.messages,
                  imagesCount: imageResult.images.length,
                },
                {
                  agentId: hookAgentId,
                  sessionKey: params.sessionKey,
                  sessionId: params.sessionId,
                  workspaceDir: params.workspaceDir,
                  messageProvider: params.messageProvider ?? undefined,
                },
              )
              .catch((err) => {
                log.warn(`llm_input hook failed: ${String(err)}`);
              });
          }

          // Only pass images option if there are actually images to pass
          // This avoids potential issues with models that don't expect the images parameter
          if (imageResult.images.length > 0) {
            await abortable(activeSession.prompt(effectivePrompt, { images: imageResult.images }));
          } else {
            await abortable(activeSession.prompt(effectivePrompt));
          }
        } catch (err) {
          promptError = err;
          promptErrorSource = "prompt";
        } finally {
          log.debug(
            `embedded run prompt end: runId=${params.runId} sessionId=${params.sessionId} durationMs=${Date.now() - promptStartedAt}`,
          );
        }

        // Capture snapshot before compaction wait so we have complete messages if timeout occurs
        // Check compaction state before and after to avoid race condition where compaction starts during capture
        // Use session state (not subscription) for snapshot decisions - need instantaneous compaction status
        const wasCompactingBefore = activeSession.isCompacting;
        const snapshot = activeSession.messages.slice();
        const wasCompactingAfter = activeSession.isCompacting;
        // Only trust snapshot if compaction wasn't running before or after capture
        const preCompactionSnapshot = wasCompactingBefore || wasCompactingAfter ? null : snapshot;
        const preCompactionSessionId = activeSession.sessionId;

        try {
          await abortable(waitForCompactionRetry());
        } catch (err) {
          if (isRunnerAbortError(err)) {
            if (!promptError) {
              promptError = err;
              promptErrorSource = "compaction";
            }
            if (!isProbeSession) {
              log.debug(
                `compaction wait aborted: runId=${params.runId} sessionId=${params.sessionId}`,
              );
            }
          } else {
            throw err;
          }
        }

        const compactionOccurredThisAttempt = getCompactionCount() > 0;

        // Append cache-TTL timestamp AFTER prompt + compaction retry completes.
        // Previously this was before the prompt, which caused a custom entry to be
        // inserted between compaction and the next prompt — breaking the
        // prepareCompaction() guard that checks the last entry type, leading to
        // double-compaction. See: https://github.com/openclaw/openclaw/issues/9282
        // Skip when timed out during compaction — session state may be inconsistent.
        if (!timedOutDuringCompaction && !compactionOccurredThisAttempt) {
          const shouldTrackCacheTtl =
            params.config?.agents?.defaults?.contextPruning?.mode === "cache-ttl" &&
            isCacheTtlEligibleProvider(params.provider, params.modelId);
          if (shouldTrackCacheTtl) {
            appendCacheTtlTimestamp(sessionManager, {
              timestamp: Date.now(),
              provider: params.provider,
              modelId: params.modelId,
            });
          }
        }

        // If timeout occurred during compaction, use pre-compaction snapshot when available
        // (compaction restructures messages but does not add user/assistant turns).
        const snapshotSelection = selectCompactionTimeoutSnapshot({
          timedOutDuringCompaction,
          preCompactionSnapshot,
          preCompactionSessionId,
          currentSnapshot: activeSession.messages.slice(),
          currentSessionId: activeSession.sessionId,
        });
        if (timedOutDuringCompaction) {
          if (!isProbeSession) {
            log.warn(
              `using ${snapshotSelection.source} snapshot: timed out during compaction runId=${params.runId} sessionId=${params.sessionId}`,
            );
          }
        }
        messagesSnapshot = snapshotSelection.messagesSnapshot;
        sessionIdUsed = snapshotSelection.sessionIdUsed;

        if (promptError && promptErrorSource === "prompt" && !compactionOccurredThisAttempt) {
          try {
            sessionManager.appendCustomEntry("openclaw:prompt-error", {
              timestamp: Date.now(),
              runId: params.runId,
              sessionId: params.sessionId,
              provider: params.provider,
              model: params.modelId,
              api: params.model.api,
              error: describeUnknownError(promptError),
            });
          } catch (entryErr) {
            log.warn(`failed to persist prompt error entry: ${String(entryErr)}`);
          }
        }

        cacheTrace?.recordStage("session:after", {
          messages: messagesSnapshot,
          note: timedOutDuringCompaction
            ? "compaction timeout"
            : promptError
              ? "prompt error"
              : undefined,
        });
        anthropicPayloadLogger?.recordUsage(messagesSnapshot, promptError);

        // Run agent_end hooks to allow plugins to analyze the conversation
        // This is fire-and-forget, so we don't await
        // Run even on compaction timeout so plugins can log/cleanup
        if (hookRunner?.hasHooks("agent_end")) {
          hookRunner
            .runAgentEnd(
              {
                messages: messagesSnapshot,
                success: !aborted && !promptError,
                error: promptError ? describeUnknownError(promptError) : undefined,
                durationMs: Date.now() - promptStartedAt,
              },
              {
                agentId: hookAgentId,
                sessionKey: params.sessionKey,
                sessionId: params.sessionId,
                workspaceDir: params.workspaceDir,
                messageProvider: params.messageProvider ?? undefined,
              },
            )
            .catch((err) => {
              log.warn(`agent_end hook failed: ${err}`);
            });
        }
      } finally {
        clearTimeout(abortTimer);
        if (abortWarnTimer) {
          clearTimeout(abortWarnTimer);
        }
        if (!isProbeSession && (aborted || timedOut) && !timedOutDuringCompaction) {
          log.debug(
            `run cleanup: runId=${params.runId} sessionId=${params.sessionId} aborted=${aborted} timedOut=${timedOut}`,
          );
        }
        try {
          unsubscribe();
        } catch (err) {
          // unsubscribe() should never throw; if it does, it indicates a serious bug.
          // Log at error level to ensure visibility, but don't rethrow in finally block
          // as it would mask any exception from the try block above.
          log.error(
            `CRITICAL: unsubscribe failed, possible resource leak: runId=${params.runId} ${String(err)}`,
          );
        }
        clearActiveEmbeddedRun(params.sessionId, queueHandle, params.sessionKey);
        params.abortSignal?.removeEventListener?.("abort", onAbort);
      }

      const lastAssistant = messagesSnapshot
        .slice()
        .toReversed()
        .find((m) => m.role === "assistant");

      const toolMetasNormalized = toolMetas
        .filter(
          (entry): entry is { toolName: string; meta?: string } =>
            typeof entry.toolName === "string" && entry.toolName.trim().length > 0,
        )
        .map((entry) => ({ toolName: entry.toolName, meta: entry.meta }));

      if (hookRunner?.hasHooks("llm_output")) {
        hookRunner
          .runLlmOutput(
            {
              runId: params.runId,
              sessionId: params.sessionId,
              provider: params.provider,
              model: params.modelId,
              assistantTexts,
              lastAssistant,
              usage: getUsageTotals(),
            },
            {
              agentId: hookAgentId,
              sessionKey: params.sessionKey,
              sessionId: params.sessionId,
              workspaceDir: params.workspaceDir,
              messageProvider: params.messageProvider ?? undefined,
            },
          )
          .catch((err) => {
            log.warn(`llm_output hook failed: ${String(err)}`);
          });
      }

      return {
        aborted,
        timedOut,
        timedOutDuringCompaction,
        promptError,
        sessionIdUsed,
        systemPromptReport,
        messagesSnapshot,
        assistantTexts,
        toolMetas: toolMetasNormalized,
        lastAssistant,
        lastToolError: getLastToolError?.(),
        didSendViaMessagingTool: didSendViaMessagingTool(),
        messagingToolSentTexts: getMessagingToolSentTexts(),
        messagingToolSentMediaUrls: getMessagingToolSentMediaUrls(),
        messagingToolSentTargets: getMessagingToolSentTargets(),
        successfulCronAdds: getSuccessfulCronAdds(),
        cloudCodeAssistFormatError: Boolean(
          lastAssistant?.errorMessage && isCloudCodeAssistFormatError(lastAssistant.errorMessage),
        ),
        attemptUsage: getUsageTotals(),
        compactionCount: getCompactionCount(),
        // Client tool call detected (OpenResponses hosted tools)
        clientToolCall: clientToolCallDetected ?? undefined,
      };
    } finally {
      // Always tear down the session (and release the lock) before we leave this attempt.
      //
      // BUGFIX: Wait for the agent to be truly idle before flushing pending tool results.
      // pi-agent-core's auto-retry resolves waitForRetry() on assistant message receipt,
      // *before* tool execution completes in the retried agent loop. Without this wait,
      // flushPendingToolResults() fires while tools are still executing, inserting
      // synthetic "missing tool result" errors and causing silent agent failures.
      // See: https://github.com/openclaw/openclaw/issues/8643
      removeToolResultContextGuard?.();
      await flushPendingToolResultsAfterIdle({
        agent: session?.agent,
        sessionManager,
      });
      session?.dispose();
      await sessionLock.release();
    }
  } finally {
    restoreSkillEnv?.();
    process.chdir(prevCwd);
  }
}