import { LiveSessionModelSwitchError } from "./live-model-switch.js";

import { loadManifestModelCatalog } from "./model-catalog.js";

import { runWithModelFallback } from "./model-fallback.js";

import type { ModelManifestNormalizationContext } from "./model-selection-normalize.js";

import {

buildConfiguredModelCatalog,

modelKey,

workspaceDir,

env: process.env,

});

const manifestPlugins = manifestMetadataSnapshot.plugins;

const modelManifestContext = {

manifestPlugins: manifestMetadataSnapshot.plugins,

} satisfies ModelManifestNormalizationContext;

const configuredModel = resolveConfiguredModelRef({

cfg,

defaultProvider: DEFAULT_PROVIDER,

defaultModel: DEFAULT_MODEL,

manifestPlugins,

...modelManifestContext,

});

const configuredThinkingCatalog = buildConfiguredModelCatalog({

cfg,

workspaceDir,

manifestPlugins,

...modelManifestContext,

});

const thinkingLevelsHint = formatThinkingLevels(

configuredModel.provider,

outboundSession,

workspaceDir,

agentDir,

manifestPlugins,

modelManifestContext,

runId,

acpManager,

acpResolution,

runId,

acpManager,

acpResolution,

manifestPlugins,

modelManifestContext,

} = prepared;

let sessionEntry = prepared.sessionEntry;

const configuredDefaultRef = resolveDefaultModelForAgent({

cfg,

agentId: sessionAgentId,

manifestPlugins,

...modelManifestContext,

});

const { provider: defaultProvider, model: defaultModel } = normalizeModelRef(

configuredDefaultRef.provider,

configuredDefaultRef.model,

{ manifestPlugins },

modelManifestContext,

);

let provider = defaultProvider;

let model = defaultModel;

catalog: [],

defaultProvider,

defaultModel,

manifestPlugins,

...modelManifestContext,

});

if (needsModelCatalog) {

defaultProvider,

defaultModel,

agentId: sessionAgentId,

manifestPlugins,

...modelManifestContext,

});

allowedModelCatalog = visibilityPolicy.allowedCatalog;

}

const overrideProvider = sessionEntry.providerOverride?.trim() || defaultProvider;

const overrideModel = sessionEntry.modelOverride?.trim();

if (overrideModel) {

const normalizedOverride = normalizeModelRef(overrideProvider, overrideModel, {

manifestPlugins,

});

const normalizedOverride = normalizeModelRef(

overrideProvider,

overrideModel,

modelManifestContext,

);

const key = modelKey(normalizedOverride.provider, normalizedOverride.model);

if (!visibilityPolicy.allowsKey(key)) {

const { updated } = applyModelOverrideToSessionEntry({

let storedModelOverride = sessionEntry?.modelOverride?.trim();

if (storedModelOverride) {

const candidateProvider = storedProviderOverride || defaultProvider;

const normalizedStored = normalizeModelRef(candidateProvider, storedModelOverride, {

manifestPlugins,

});

const normalizedStored = normalizeModelRef(

candidateProvider,

storedModelOverride,

modelManifestContext,

);

const key = modelKey(normalizedStored.provider, normalizedStored.model);

if (visibilityPolicy.allowsKey(key)) {

provider = normalizedStored.provider;

if (hasExplicitRunOverride) {

const explicitRef = explicitModelOverride

? explicitProviderOverride

? normalizeModelRef(explicitProviderOverride, explicitModelOverride, { manifestPlugins })

: parseModelRef(explicitModelOverride, provider, { manifestPlugins })

? normalizeModelRef(explicitProviderOverride, explicitModelOverride, modelManifestContext)

: parseModelRef(explicitModelOverride, provider, modelManifestContext)

: explicitProviderOverride

? normalizeModelRef(explicitProviderOverride, model, { manifestPlugins })

? normalizeModelRef(explicitProviderOverride, model, modelManifestContext)

: null;

if (!explicitRef) {

throw new Error("Invalid model override.");

cfg,

provider,

model,

manifestPlugins,

...modelManifestContext,

runId,

agentDir,

fallbacksOverride: effectiveFallbacksOverride,

{ cause: err },

);

}

const switchRef = normalizeModelRef(err.provider, err.model, { manifestPlugins });

const switchRef = normalizeModelRef(err.provider, err.model, modelManifestContext);

const switchKey = modelKey(switchRef.provider, switchRef.model);

if (!visibilityPolicy.allowsKey(switchKey)) {

log.info(