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1758 lines (1524 loc) · 54.8 KB
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import type { BetaMessageStreamParams } from '@anthropic-ai/sdk/resources/beta/messages/messages.mjs'
import type { Attributes, Meter, MetricOptions } from '@opentelemetry/api'
import type { logs } from '@opentelemetry/api-logs'
import type { LoggerProvider } from '@opentelemetry/sdk-logs'
import type { MeterProvider } from '@opentelemetry/sdk-metrics'
import type { BasicTracerProvider } from '@opentelemetry/sdk-trace-base'
import { realpathSync
8000
} from 'fs'
import sumBy from 'lodash-es/sumBy.js'
import { cwd } from 'process'
import type { HookEvent, ModelUsage } from 'src/entrypoints/agentSdkTypes.js'
import type { AgentColorName } from 'src/tools/AgentTool/agentColorManager.js'
import type { HookCallbackMatcher } from 'src/types/hooks.js'
// Indirection for browser-sdk build (package.json "browser" field swaps
// crypto.ts for crypto.browser.ts). Pure leaf re-export of node:crypto —
// zero circular-dep risk. Path-alias import bypasses bootstrap-isolation
// (rule only checks ./ and / prefixes); explicit disable documents intent.
// eslint-disable-next-line custom-rules/bootstrap-isolation
import { randomUUID } from 'src/utils/crypto.js'
import type { ModelSetting } from 'src/utils/model/model.js'
import type { ModelStrings } from 'src/utils/model/modelStrings.js'
import type { SettingSource } from 'src/utils/settings/constants.js'
import { resetSettingsCache } from 'src/utils/settings/settingsCache.js'
import type { PluginHookMatcher } from 'src/utils/settings/types.js'
import { createSignal } from 'src/utils/signal.js'
// Union type for registered hooks - can be SDK callbacks or native plugin hooks
type RegisteredHookMatcher = HookCallbackMatcher | PluginHookMatcher
import type { SessionId } from 'src/types/ids.js'
// DO NOT ADD MORE STATE HERE - BE JUDICIOUS WITH GLOBAL STATE
// dev: true on entries that came via --dangerously-load-development-channels.
// The allowlist gate checks this per-entry (not the session-wide
// hasDevChannels bit) so passing both flags doesn't let the dev dialog's
// acceptance leak allowlist-bypass to the --channels entries.
export type ChannelEntry =
| { kind: 'plugin'; name: string; marketplace: string; dev?: boolean }
| { kind: 'server'; name: string; dev?: boolean }
export type AttributedCounter = {
add(value: number, additionalAttributes?: Attributes): void
}
type State = {
originalCwd: string
// Stable project root - set once at startup (including by --worktree flag),
// never updated by mid-session EnterWorktreeTool.
// Use for project identity (history, skills, sessions) not file operations.
projectRoot: string
totalCostUSD: number
totalAPIDuration: number
totalAPIDurationWithoutRetries: number
totalToolDuration: number
turnHookDurationMs: number
turnToolDurationMs: number
turnClassifierDurationMs: number
turnToolCount: number
turnHookCount: number
turnClassifierCount: number
startTime: number
lastInteractionTime: number
totalLinesAdded: number
totalLinesRemoved: number
hasUnknownModelCost: boolean
cwd: string
modelUsage: { [modelName: string]: ModelUsage }
mainLoopModelOverride: ModelSetting | undefined
initialMainLoopModel: ModelSetting
modelStrings: ModelStrings | null
isInteractive: boolean
kairosActive: boolean
// When true, ensureToolResultPairing throws on mismatch instead of
// repairing with synthetic placeholders. HFI opts in at startup so
// trajectories fail fast rather than conditioning the model on fake
// tool_results.
strictToolResultPairing: boolean
sdkAgentProgressSummariesEnabled: boolean
userMsgOptIn: boolean
clientType: string
sessionSource: string | undefined
questionPreviewFormat: 'markdown' | 'html' | undefined
flagSettingsPath: string | undefined
flagSettingsInline: Record<string, unknown> | null
allowedSettingSources: SettingSource[]
sessionIngressToken: string | null | undefined
oauthTokenFromFd: string | null | undefined
apiKeyFromFd: string | null | undefined
// Telemetry state
meter: Meter | null
sessionCounter: AttributedCounter | null
locCounter: AttributedCounter | null
prCounter: AttributedCounter | null
commitCounter: AttributedCounter | null
costCounter: AttributedCounter | null
tokenCounter: AttributedCounter | null
codeEditToolDecisionCounter: AttributedCounter | null
activeTimeCounter: AttributedCounter | null
statsStore: { observe(name: string, value: number): void } | null
sessionId: SessionId
// Parent session ID for tracking session lineage (e.g., plan mode -> implementation)
parentSessionId: SessionId | undefined
// Logger state
loggerProvider: LoggerProvider | null
eventLogger: ReturnType<typeof logs.getLogger> | null
// Meter provider state
meterProvider: MeterProvider | null
// Tracer provider state
tracerProvider: BasicTracerProvider | null
// Agent color state
agentColorMap: Map<string, AgentColorName>
agentColorIndex: number
// Last API request for bug reports
lastAPIRequest: Omit<BetaMessageStreamParams, 'messages'> | null
// Messages from the last API request (ant-only; reference, not clone).
// Captures the exact post-compaction, CLAUDE.md-injected message set sent
// to the API so /share's serialized_conversation.json reflects reality.
lastAPIRequestMessages: BetaMessageStreamParams['messages'] | null
// Last auto-mode classifier request(s) for /share transcript
lastClassifierRequests: unknown[] | null
// CLAUDE.md content cached by context.ts for the auto-mode classifier.
// Breaks the yoloClassifier → claudemd → filesystem → permissions cycle.
cachedClaudeMdContent: string | null
// In-memory error log for recent errors
inMemoryErrorLog: Array<{ error: string; timestamp: string }>
// Session-only plugins from --plugin-dir flag
inlinePlugins: Array<string>
// Explicit --chrome / --no-chrome flag value (undefined = not set on CLI)
chromeFlagOverride: boolean | undefined
// Use cowork_plugins directory instead of plugins (--cowork flag or env var)
useCoworkPlugins: boolean
// Session-only bypass permissions mode flag (not persisted)
sessionBypassPermissionsMode: boolean
// Session-only flag gating the .claude/scheduled_tasks.json watcher
// (useScheduledTasks). Set by cronScheduler.start() when the JSON has
// entries, or by CronCreateTool. Not persisted.
scheduledTasksEnabled: boolean
// Session-only cron tasks created via CronCreate with durable: false.
// Fire on schedule like file-backed tasks but are never written to
// .claude/scheduled_tasks.json — they die with the process. Typed via
// SessionCronTask below (not importing from cronTasks.ts keeps
// bootstrap a leaf of the import DAG).
sessionCronTasks: SessionCronTask[]
// Teams created this session via TeamCreate. cleanupSessionTeams()
// removes these on gracefulShutdown so subagent-created teams don't
// persist on disk forever (gh-32730). TeamDelete removes entries to
// avoid double-cleanup. Lives here (not teamHelpers.ts) so
// resetStateForTests() clears it between tests.
sessionCreatedTeams: Set<string>
// Session-only trust flag for home directory (not persisted to disk)
// When running from home dir, trust dialog is shown but not saved to disk.
// This flag allows features requiring trust to work during the session.
sessionTrustAccepted: boolean
// Session-only flag to disable session persistence to disk
sessionPersistenceDisabled: boolean
// Track if user has exited plan mode in this session (for re-entry guidance)
hasExitedPlanMode: boolean
// Track if we need to show the plan mode exit attachment (one-time notification)
needsPlanModeExitAttachment: boolean
// Track if we need to show the auto mode exit attachment (one-time notification)
needsAutoModeExitAttachment: boolean
// Track if LSP plugin recommendation has been shown this session (only show once)
lspRecommendationShownThisSession: boolean
// SDK init event state - jsonSchema for structured output
initJsonSchema: Record<string, unknown> | null
// Registered hooks - SDK callbacks and plugin native hooks
registeredHooks: Partial<Record<HookEvent, RegisteredHookMatcher[]>> | null
// Cache for plan slugs: sessionId -> wordSlug
planSlugCache: Map<string, string>
// Track teleported session for reliability logging
teleportedSessionInfo: {
isTeleported: boolean
hasLoggedFirstMessage: boolean
sessionId: string | null
} | null
// Track invoked skills for preservation across compaction
// Keys are composite: `${agentId ?? ''}:${skillName}` to prevent cross-agent overwrites
invokedSkills: Map<
string,
{
skillName: string
skillPath: string
content: string
invokedAt: number
agentId: string | null
}
>
// Track slow operations for dev bar display (ant-only)
slowOperations: Array<{
operation: string
durationMs: number
timestamp: number
}>
// SDK-provided betas (e.g., context-1m-2025-08-07)
sdkBetas: string[] | undefined
// Main thread agent type (from --agent flag or settings)
mainThreadAgentType: string | undefined
// Remote mode (--remote flag)
isRemoteMode: boolean
// Direct connect server URL (for display in header)
directConnectServerUrl: string | undefined
// System prompt section cache state
systemPromptSectionCache: Map<string, string | null>
// Last date emitted to the model (for detecting midnight date changes)
lastEmittedDate: string | null
// Additional directories from --add-dir flag (for CLAUDE.md loading)
additionalDirectoriesForClaudeMd: string[]
// Channel server allowlist from --channels flag (servers whose channel
// notifications should register this session). Parsed once in main.tsx —
// the tag decides trust model: 'plugin' → marketplace verification +
// allowlist, 'server' → allowlist always fails (schema is plugin-only).
// Either kind needs entry.dev to bypass allowlist.
allowedChannels: ChannelEntry[]
// True if any entry in allowedChannels came from
// --dangerously-load-development-channels (so ChannelsNotice can name the
// right flag in policy-blocked messages)
hasDevChannels: boolean
// Dir containing the session's `.jsonl`; null = derive from originalCwd.
sessionProjectDir: string | null
// Cached prompt cache 1h TTL allowlist from GrowthBook (session-stable)
promptCache1hAllowlist: string[] | null
// Cached 1h TTL user eligibility (session-stable). Latched on first
// evaluation so mid-session overage flips don't change the cache_control
// TTL, which would bust the server-side prompt cache.
promptCache1hEligible: boolean | null
// Sticky-on latch for AFK_MODE_BETA_HEADER. Once auto mode is first
// activated, keep sending the header for the rest of the session so
// Shift+Tab toggles don't bust the ~50-70K token prompt cache.
afkModeHeaderLatched: boolean | null
// Sticky-on latch for FAST_MODE_BETA_HEADER. Once fast mode is first
// enabled, keep sending the header so cooldown enter/exit doesn't
// double-bust the prompt cache. The `speed` body param stays dynamic.
fastModeHeaderLatched: boolean | null
// Sticky-on latch for the cache-editing beta header. Once cached
// microcompact is first enabled, keep sending the header so mid-session
// GrowthBook/settings toggles don't bust the prompt cache.
cacheEditingHeaderLatched: boolean | null
// Sticky-on latch for clearing thinking from prior tool loops. Triggered
// when >1h since last API call (confirmed cache miss — no cache-hit
// benefit to keeping thinking). Once latched, stays on so the newly-warmed
// thinking-cleared cache isn't busted by flipping back to keep:'all'.
thinkingClearLatched: boolean | null
// Current prompt ID (UUID) correlating a user prompt with subsequent OTel events
promptId: string | null
// Last API requestId for the main conversation chain (not subagents).
// Updated after each successful API response for main-session queries.
// Read at shutdown to send cache eviction hints to inference.
lastMainRequestId: string | undefined
// Timestamp (Date.now()) of the last successful API call completion.
// Used to compute timeSinceLastApiCallMs in tengu_api_success for
// correlating cache misses with idle time (cache TTL is ~5min).
lastApiCompletionTimestamp: number | null
// Set to true after compaction (auto or manual /compact). Consumed by
// logAPISuccess to tag the first post-compaction API call so we can
// distinguish compaction-induced cache misses from TTL expiry.
pendingPostCompaction: boolean
}
// ALSO HERE - THINK THRICE BEFORE MODIFYING
function getInitialState(): State {
// Resolve symlinks in cwd to match behavior of shell.ts setCwd
// This ensures consistency with how paths are sanitized for session storage
let resolvedCwd = ''
if (
typeof process !== 'undefined' &&
typeof process.cwd === 'function' &&
typeof realpathSync === 'function'
) {
const rawCwd = cwd()
try {
resolvedCwd = realpathSync(rawCwd).normalize('NFC')
} catch {
// File Provider EPERM on CloudStorage mounts (lstat per path component).
resolvedCwd = rawCwd.normalize('NFC')
}
}
const state: State = {
originalCwd: resolvedCwd,
projectRoot: resolvedCwd,
totalCostUSD: 0,
totalAPIDuration: 0,
totalAPIDurationWithoutRetries: 0,
totalToolDuration: 0,
turnHookDurationMs: 0,
turnToolDurationMs: 0,
turnClassifierDurationMs: 0,
turnToolCount: 0,
turnHookCount: 0,
turnClassifierCount: 0,
startTime: Date.now(),
lastInteractionTime: Date.now(),
totalLinesAdded: 0,
totalLinesRemoved: 0,
hasUnknownModelCost: false,
cwd: resolvedCwd,
modelUsage: {},
mainLoopModelOverride: undefined,
initialMainLoopModel: null,
modelStrings: null,
isInteractive: false,
kairosActive: false,
strictToolResultPairing: false,
sdkAgentProgressSummariesEnabled: false,
userMsgOptIn: false,
clientType: 'cli',
sessionSource: undefined,
questionPreviewFormat: undefined,
sessionIngressToken: undefined,
oauthTokenFromFd: undefined,
apiKeyFromFd: undefined,
flagSettingsPath: undefined,
flagSettingsInline: null,
allowedSettingSources: [
'userSettings',
'projectSettings',
'localSettings',
'flagSettings',
'policySettings',
],
// Telemetry state
meter: null,
sessionCounter: null,
locCounter: null,
prCounter: null,
commitCounter: null,
costCounter: null,
tokenCounter: null,
codeEditToolDecisionCounter: null,
activeTimeCounter: null,
statsStore: null,
sessionId: randomUUID() as SessionId,
parentSessionId: undefined,
// Logger state
loggerProvider: null,
eventLogger: null,
// Meter provider state
meterProvider: null,
tracerProvider: null,
// Agent color state
agentColorMap: new Map(),
agentColorIndex: 0,
// Last API request for bug reports
lastAPIRequest: null,
lastAPIRequestMessages: null,
// Last auto-mode classifier request(s) for /share transcript
lastClassifierRequests: null,
cachedClaudeMdContent: null,
// In-memory error log for recent errors
inMemoryErrorLog: [],
// Session-only plugins from --plugin-dir flag
inlinePlugins: [],
// Explicit --chrome / --no-chrome flag value (undefined = not set on CLI)
chromeFlagOverride: undefined,
// Use cowork_plugins directory instead of plugins
useCoworkPlugins: false,
// Session-only bypass permissions mode flag (not persisted)
sessionBypassPermissionsMode: false,
// Scheduled tasks disabled until flag or dialog enables them
scheduledTasksEnabled: false,
sessionCronTasks: [],
sessionCreatedTeams: new Set(),
// Session-only trust flag (not persisted to disk)
sessionTrustAccepted: false,
// Session-only flag to disable session persistence to disk
sessionPersistenceDisabled: false,
// Track if user has exited plan mode in this session
hasExitedPlanMode: false,
// Track if we need to show the plan mode exit attachment
needsPlanModeExitAttachment: false,
// Track if we need to show the auto mode exit attachment
needsAutoModeExitAttachment: false,
// Track if LSP plugin recommendation has been shown this session
lspRecommendationShownThisSession: false,
// SDK init event state
initJsonSchema: null,
registeredHooks: null,
// Cache for plan slugs
planSlugCache: new Map(),
// Track teleported session for reliability logging
teleportedSessionInfo: null,
// Track invoked skills for preservation across compaction
invokedSkills: new Map(),
// Track slow operations for dev bar display
slowOperations: [],
// SDK-provided betas
sdkBetas: undefined,
// Main thread agent type
mainThreadAgentType: undefined,
// Remote mode
isRemoteMode: false,
...(process.env.USER_TYPE === 'ant'
? {
replBridgeActive: false,
}
: {}),
// Direct connect server URL
directConnectServerUrl: undefined,
// System prompt section cache state
systemPromptSectionCache: new Map(),
// Last date emitted to the model
lastEmittedDate: null,
// Additional directories from --add-dir flag (for CLAUDE.md loading)
additionalDirectoriesForClaudeMd: [],
// Channel server allowlist from --channels flag
allowedChannels: [],
hasDevChannels: false,
// Session project dir (null = derive from originalCwd)
sessionProjectDir: null,
// Prompt cache 1h allowlist (null = not yet fetched from GrowthBook)
promptCache1hAllowlist: null,
// Prompt cache 1h eligibility (null = not yet evaluated)
promptCache1hEligible: null,
// Beta header latches (null = not yet triggered)
afkModeHeaderLatched: null,
fastModeHeaderLatched: null,
cacheEditingHeaderLatched: null,
thinkingClearLatched: null,
// Current prompt ID
promptId: null,
lastMainRequestId: undefined,
lastApiCompletionTimestamp: null,
pendingPostCompaction: false,
}
return state
}
// AND ESPECIALLY HERE
const STATE: State = getInitialState()
export function getSessionId(): SessionId {
return STATE.sessionId
}
export function regenerateSessionId(
options: { setCurrentAsParent?: boolean } = {},
): SessionId {
if (options.setCurrentAsParent) {
STATE.parentSessionId = STATE.sessionId
}
// Drop the outgoing session's plan-slug entry so the Map doesn't
// accumulate stale keys. Callers that need to carry the slug across
// (REPL.tsx clearContext) read it before calling clearConversation.
STATE.planSlugCache.delete(STATE.sessionId)
// Regenerated sessions live in the current project: reset projectDir to
// null so getTranscriptPath() derives from originalCwd.
STATE.sessionId = randomUUID() as SessionId
STATE.sessionProjectDir = null
return STATE.sessionId
}
export function getParentSessionId(): SessionId | undefined {
return STATE.parentSessionId
}
/**
* Atomically switch the active session. `sessionId` and `sessionProjectDir`
* always change together — there is no separate setter for either, so they
* cannot drift out of sync (CC-34).
*
* @param projectDir — directory containing `<sessionId>.jsonl`. Omit (or
* pass `null`) for sessions in the current project — the path will derive
* from originalCwd at read time. Pass `dirname(transcriptPath)` when the
* session lives in a different project directory (git worktrees,
* cross-project resume). Every call resets the project dir; it never
* carries over from the previous session.
*/
export function switchSession(
sessionId: SessionId,
projectDir: string | null = null,
): void {
// Drop the outgoing session's plan-slug entry so the Map stays bounded
// across repeated /resume. Only the current session's slug is ever read
// (plans.ts getPlanSlug defaults to getSessionId()).
STATE.planSlugCache.delete(STATE.sessionId)
STATE.sessionId = sessionId
STATE.sessionProjectDir = projectDir
sessionSwitched.emit(sessionId)
}
const sessionSwitched = createSignal<[id: SessionId]>()
/**
* Register a callback that fires when switchSession changes the active
* sessionId. bootstrap can't import listeners directly (DAG leaf), so
* callers register themselves. concurrentSessions.ts uses this to keep the
* PID file's sessionId in sync with --resume.
*/
export const >
/**
* Project directory the current session's transcript lives in, or `null` if
* the session was created in the current project (common case — derive from
* originalCwd). See `switchSession()`.
*/
export function getSessionProjectDir(): string | null {
return STATE.sessionProjectDir
}
export function getOriginalCwd(): string {
return STATE.originalCwd
}
/**
* Get the stable project root directory.
* Unlike getOriginalCwd(), this is never updated by mid-session EnterWorktreeTool
* (so skills/history stay stable when entering a throwaway worktree).
* It IS set at startup by --worktree, since that worktree is the session's project.
* Use for project identity (history, skills, sessions) not file operations.
*/
export function getProjectRoot(): string {
return STATE.projectRoot
}
export function setOriginalCwd(cwd: string): void {
STATE.originalCwd = cwd.normalize('NFC')
}
/**
* Only for --worktree startup flag. Mid-session EnterWorktreeTool must NOT
* call this — skills/history should stay anchored to where the session started.
*/
export function setProjectRoot(cwd: string): void {
STATE.projectRoot = cwd.normalize('NFC')
}
export function getCwdState(): string {
return STATE.cwd
}
export function setCwdState(cwd: string): void {
STATE.cwd = cwd.normalize('NFC')
}
export function getDirectConnectServerUrl(): string | undefined {
return STATE.directConnectServerUrl
}
export function setDirectConnectServerUrl(url: string): void {
STATE.directConnectServerUrl = url
}
export function addToTotalDurationState(
duration: number,
durationWithoutRetries: number,
): void {
STATE.totalAPIDuration += duration
STATE.totalAPIDurationWithoutRetries += durationWithoutRetries
}
export function resetTotalDurationStateAndCost_FOR_TESTS_ONLY(): void {
STATE.totalAPIDuration = 0
STATE.totalAPIDurationWithoutRetries = 0
STATE.totalCostUSD = 0
}
export function addToTotalCostState(
cost: number,
modelUsage: ModelUsage,
model: string,
): void {
STATE.modelUsage[model] = modelUsage
STATE.totalCostUSD += cost
}
export function getTotalCostUSD(): number {
return STATE.totalCostUSD
}
export function getTotalAPIDuration(): number {
return STATE.totalAPIDuration
}
export function getTotalDuration(): number {
return Date.now() - STATE.startTime
}
export function getTotalAPIDurationWithoutRetries(): number {
return STATE.totalAPIDurationWithoutRetries
}
export function getTotalToolDuration(): number {
return STATE.totalToolDuration
}
export function addToToolDuration(duration: number): void {
STATE.totalToolDuration += duration
STATE.turnToolDurationMs += duration
STATE.turnToolCount++
}
export function getTurnHookDurationMs(): number {
return STATE.turnHookDurationMs
}
export function addToTurnHookDuration(duration: number): void {
STATE.turnHookDurationMs += duration
STATE.turnHookCount++
}
export function resetTurnHookDuration(): void {
STATE.turnHookDurationMs = 0
STATE.turnHookCount = 0
}
export function getTurnHookCount(): number {
return STATE.turnHookCount
}
export function getTurnToolDurationMs(): number {
return STATE.turnToolDurationMs
}
export function resetTurnToolDuration(): void {
STATE.turnToolDurationMs = 0
STATE.turnToolCount = 0
}
export function getTurnToolCount(): number {
return STATE.turnToolCount
}
export function getTurnClassifierDurationMs(): number {
return STATE.turnClassifierDurationMs
}
export function addToTurnClassifierDuration(duration: number): void {
STATE.turnClassifierDurationMs += duration
STATE.turnClassifierCount++
}
export function resetTurnClassifierDuration(): void {
STATE.turnClassifierDurationMs = 0
STATE.turnClassifierCount = 0
}
export function getTurnClassifierCount(): number {
return STATE.turnClassifierCount
}
export function getStatsStore(): {
observe(name: string, value: number): void
} | null {
return STATE.statsStore
}
export function setStatsStore(
store: { observe(name: string, value: number): void } | null,
): void {
STATE.statsStore = store
}
/**
* Marks that an interaction occurred.
*
* By default the actual Date.now() call is deferred until the next Ink render
* frame (via flushInteractionTime()) so we avoid calling Date.now() on every
* single keypress.
*
* Pass `immediate = true` when calling from React useEffect callbacks or
* other code that runs *after* the Ink render cycle has already flushed.
* Without it the timestamp stays stale until the next render, which may never
* come if the user is idle (e.g. permission dialog waiting for input).
*/
let interactionTimeDirty = false
export function updateLastInteractionTime(immediate?: boolean): void {
if (immediate) {
flushInteractionTime_inner()
} else {
interactionTimeDirty = true
}
}
/**
* If an interaction was recorded since the last flush, update the timestamp
* now. Called by Ink before each render cycle so we batch many keypresses into
* a single Date.now() call.
*/
export function flushInteractionTime(): void {
if (interactionTimeDirty) {
flushInteractionTime_inner()
}
}
function flushInteractionTime_inner(): void {
STATE.lastInteractionTime = Date.now()
interactionTimeDirty = false
}
export function addToTotalLinesChanged(added: number, removed: number): void {
STATE.totalLinesAdded += added
STATE.totalLinesRemoved += removed
}
export function getTotalLinesAdded(): number {
return STATE.totalLinesAdded
}
export function getTotalLinesRemoved(): number {
return STATE.totalLinesRemoved
}
export function getTotalInputTokens(): number {
return sumBy(Object.values(STATE.modelUsage), 'inputTokens')
}
export function getTotalOutputTokens(): number {
return sumBy(Object.values(STATE.modelUsage), 'outputTokens')
}
export function getTotalCacheReadInputTokens(): number {
return sumBy(Object.values(STATE.modelUsage), 'cacheReadInputTokens')
}
export function getTotalCacheCreationInputTokens(): number {
return sumBy(Object.values(STATE.modelUsage), 'cacheCreationInputTokens')
}
export function getTotalWebSearchRequests(): number {
return sumBy(Object.values(STATE.modelUsage), 'webSearchRequests')
}
let outputTokensAtTurnStart = 0
let currentTurnTokenBudget: number | null = null
export function getTurnOutputTokens(): number {
return getTotalOutputTokens() - outputTokensAtTurnStart
}
export function getCurrentTurnTokenBudget(): number | null {
return currentTurnTokenBudget
}
let budgetContinuationCount = 0
export function snapshotOutputTokensForTurn(budget: number | null): void {
outputTokensAtTurnStart = getTotalOutputTokens()
currentTurnTokenBudget = budget
budgetContinuationCount = 0
}
export function getBudgetContinuationCount(): number {
return budgetContinuationCount
}
export function incrementBudgetContinuationCount(): void {
budgetContinuationCount++
}
export function setHasUnknownModelCost(): void {
STATE.hasUnknownModelCost = true
}
export function hasUnknownModelCost(): boolean {
return STATE.hasUnknownModelCost
}
export function getLastMainRequestId(): string | undefined {
return STATE.lastMainRequestId
}
export function setLastMainRequestId(requestId: string): void {
STATE.lastMainRequestId = requestId
}
export function getLastApiCompletionTimestamp(): number | null {
return STATE.lastApiCompletionTimestamp
}
export function setLastApiCompletionTimestamp(timestamp: number): void {
STATE.lastApiCompletionTimestamp = timestamp
}
/** Mark that a compaction just occurred. The next API success event will
* include isPostCompaction=true, then the flag auto-resets. */
export function markPostCompaction(): void {
STATE.pendingPostCompaction = true
}
/** Consume the post-compaction flag. Returns true once after compaction,
* then returns false until the next compaction. */
export function consumePostCompaction(): boolean {
const was = STATE.pendingPostCompaction
STATE.pendingPostCompaction = false
return was
}
export function getLastInteractionTime(): number {
return STATE.lastInteractionTime
}
// Scroll drain suspension — background intervals check this before doing work
// so they don't compete with scroll frames for the event loop. Set by
// ScrollBox scrollBy/scrollTo, cleared SCROLL_DRAIN_IDLE_MS after the last
// scroll event. Module-scope (not in STATE) — ephemeral hot-path flag, no
// test-reset needed since the debounce timer self-clears.
let scrollDraining = false
let scrollDrainTimer: ReturnType<typeof setTimeout> | undefined
const SCROLL_DRAIN_IDLE_MS = 150
/** Mark that a scroll event just happened. Background intervals gate on
* getIsScrollDraining() and skip their work until the debounce clears. */
export function markScrollActivity(): void {
scrollDraining = true
if (scrollDrainTimer) clearTimeout(scrollDrainTimer)
scrollDrainTimer = setTimeout(() => {
scrollDraining = false
scrollDrainTimer = undefined
}, SCROLL_DRAIN_IDLE_MS)
scrollDrainTimer.unref?.()
}
/** True while scroll is actively draining (within 150ms of last event).
* Intervals should early-return when this is set — the work picks up next
* tick after scroll settles. */
export function getIsScrollDraining(): boolean {
return scrollDraining
}
/** Await this before expensive one-shot work (network, subprocess) that could
* coincide with scroll. Resolves immediately if not scrolling; otherwise
* polls at the idle interval until the flag clears. */
export async function waitForScrollIdle(): Promise<void> {
while (scrollDraining) {
// bootstrap-isolation forbids importing sleep() from src/utils/
// eslint-disable-next-line no-restricted-syntax
await new Promise(r => setTimeout(r, SCROLL_DRAIN_IDLE_MS).unref?.())
}
}
export function getModelUsage(): { [modelName: string]: ModelUsage } {
return STATE.modelUsage
}
export function getUsageForModel(model: string): ModelUsage | undefined {
return STATE.modelUsage[model]
}
/**
* Gets the model override set from the --model CLI flag or after the user
* updates their configured model.
*/
export function getMainLoopModelOverride(): ModelSetting | undefined {
return STATE.mainLoopModelOverride
}
export function getInitialMainLoopModel(): ModelSetting {
return STATE.initialMainLoopModel
}
export function setMainLoopModelOverride(
model: ModelSetting | undefined,
): void {
STATE.mainLoopModelOverride = model
}
export function setInitialMainLoopModel(model: ModelSetting): void {
STATE.initialMainLoopModel = model
}
export function getSdkBetas(): string[] | undefined {
return STATE.sdkBetas
}
export function setSdkBetas(betas: string[] | undefined): void {
STATE.sdkBetas = betas
}
export function resetCostState(): void {
STATE.totalCostUSD = 0
STATE.totalAPIDuration = 0
STATE.totalAPIDurationWithoutRetries = 0
STATE.totalToolDuration = 0
STATE.startTime = Date.now()
STATE.totalLinesAdded = 0
STATE.totalLinesRemoved = 0
STATE.hasUnknownModelCost = false
STATE.modelUsage = {}
STATE.promptId = null
}
/**
* Sets cost state values for session restore.
* Called by restoreCostStateForSession in cost-tracker.ts.
*/
export function setCostStateForRestore({
totalCostUSD,
totalAPIDuration,
totalAPIDurationWithoutRetries,
totalToolDuration,
totalLinesAdded,
totalLinesRemoved,
lastDuration,
modelUsage,
}: {
totalCostUSD: number
totalAPIDuration: number
totalAPIDurationWithoutRetries: number
totalToolDuration: number
totalLinesAdded: number
totalLinesRemoved: number
lastDuration: number | undefined
modelUsage: { [modelName: string]: ModelUsage } | undefined
}): void {
STATE.totalCostUSD = totalCostUSD
STATE.totalAPIDuration = totalAPIDuration
STATE.totalAPIDurationWithoutRetries = totalAPIDurationWithoutRetries
STATE.totalToolDuration = totalToolDuration
STATE.totalLinesAdded = totalLinesAdded
STATE.totalLinesRemoved = totalLinesRemoved
// Restore per-model usage breakdown
if (modelUsage) {
STATE.modelUsage = modelUsage
}
// Adjust startTime to make wall duration accumulate
if (lastDuration) {
STATE.startTime = Date.now() - lastDuration
}
}
// Only used in tests
expo
8080
rt function resetStateForTests(): void {
if (process.env.NODE_ENV !== 'test') {
throw new Error('resetStateForTests can only be called in tests')
}
Object.entries(getInitialState()).forEach(([key, value]) => {
STATE[key as keyof State] = value as never
})
outputTokensAtTurnStart = 0
currentTurnTokenBudget = null
budgetContinuationCount = 0
sessionSwitched.clear()
}
// You shouldn't use this directly. See src/utils/model/modelStrings.ts::getModelStrings()
export function getModelStrings(): ModelStrings | null {
return STATE.modelStrings
}
// You shouldn't use this directly. See src/utils/model/modelStrings.ts
export function setModelStrings(modelStrings: ModelStrings): void {
STATE.modelStrings = modelStrings
}
// Test utility function to reset model strings for re-initialization.
// Separate from setModelStrings because we only want to accept 'null' in tests.
export function resetModelStringsForTestingOnly() {
STATE.modelStrings = null
}
export function setMeter(
meter: Meter,
createCounter: (name: string, options: MetricOptions) => AttributedCounter,
): void {
STATE.meter = meter
// Initialize all counters using the provided factory
STATE.sessionCounter = createCounter('claude_code.session.count', {
description: 'Count of CLI sessions started',
})
STATE.locCounter = createCounter('claude_code.lines_of_code.count', {
description:
"Count of lines of code modified, with the 'type' attribute indicating whether lines were added or removed",
})
STATE.prCounter = createCounter('claude_code.pull_request.count', {
description: 'Number of pull requests created',
})
STATE.commitCounter = createCounter('claude_code.commit.count', {
description: 'Number of git commits created',
})
STATE.costCounter = createCounter('claude_code.cost.usage', {
description: 'Cost of the Claude Code session',
unit: 'USD',
})
STATE.tokenCounter = createCounter('claude_code.token.usage', {
description: 'Number of tokens used',
unit: 'tokens',
})
STATE.codeEditToolDecisionCounter = createCounter(
'claude_code.code_edit_tool.decision',
{
description:
'Count of code editing tool permission decisions (accept/reject) for Edit, Write, and NotebookEdit tools',
},
)
STATE.activeTimeCounter = createCounter('claude_code.active_time.total', {
description: 'Total active time in seconds',
unit: 's',
})
}
export function getMeter(): Meter | null {
return STATE.meter
}
export function getSessionCounter(): AttributedCounter | null {
return STATE.sessionCounter
}
export function getLocCounter(): AttributedCounter | null {
return STATE.locCounter
}