import { splitSdkTools } from "./tool-split.js";

import { readTranscriptFileState } from "./transcript-file-state.js";

import type { EmbeddedPiCompactResult } from "./types.js";

import { mapThinkingLevel } from "./utils.js";

import { mapThinkingLevel, normalizeContextTokenBudget } from "./utils.js";

import { flushPendingToolResultsAfterIdle } from "./wait-for-idle-before-flush.js";

export type { CompactEmbeddedPiSessionParams } from "./compact.types.js";

modelContextWindow: runtimeModelWithContext.contextWindow,

defaultTokens: DEFAULT_CONTEXT_TOKENS,

});

const resolvedContextTokenBudget =

normalizeContextTokenBudget(ctxInfo.tokens) ?? DEFAULT_CONTEXT_TOKENS;

const requestedContextTokenBudget =

normalizeContextTokenBudget(params.contextTokenBudget) ??

normalizeContextTokenBudget(params.tokenBudget);

const contextTokenBudget = Math.min(

requestedContextTokenBudget ?? resolvedContextTokenBudget,

resolvedContextTokenBudget,

);

const effectiveModel = applyAuthHeaderOverride(

applyLocalNoAuthHeaderOverride(

ctxInfo.tokens < (runtimeModelWithContext.contextWindow ?? Infinity)

? { ...runtimeModelWithContext, contextWindow: ctxInfo.tokens }

contextTokenBudget < (runtimeModelWithContext.contextWindow ?? Infinity)

? { ...runtimeModelWithContext, contextWindow: contextTokenBudget }

: runtimeModelWithContext,

apiKeyInfo,

),

modelId,

modelCompat: extractModelCompat(effectiveModel),

modelApi: model.api,

modelContextWindowTokens: ctxInfo.tokens,

modelContextWindowTokens: contextTokenBudget,

skillsSnapshot: skillsSnapshotForRun,

modelAuthMode: resolveModelAuthMode(model.provider, params.config, undefined, {

workspaceDir: effectiveWorkspace,

agentId: sessionAgentId,

sessionKey: params.sessionKey,

config: params.config,

contextWindowTokens: ctxInfo.tokens,

contextWindowTokens: contextTokenBudget,

allowSyntheticToolResults: transcriptPolicy.allowSyntheticToolResults,

missingToolResultText:

model.api === "openai-responses" ||

env: process.env,

workspaceDir: effectiveWorkspace,

}),

contextTokenBudget: ctxInfo.tokens,

contextTokenBudget,

});

// Sets compaction/pruning runtime state and returns extension factories

// that must be passed to the resource loader for the safeguard to be active.

applyPiCompactionSettingsFromConfig({

settingsManager,

cfg: params.config,

contextTokenBudget: ctxInfo.tokens,

contextTokenBudget,

});

// contextEngineInfo is intentionally omitted: this guard runs inside the

// compaction LLM session, which is not the user-facing agent session and