agent-ecosystem/src/main/services/team/TeamBootstrapStateReader.ts
2026-04-24 20:52:26 +03:00

900 lines
29 KiB
TypeScript

import { getTeamsBasePath } from '@main/utils/pathDecoder';
import * as fs from 'fs';
import * as path from 'path';
import { createPersistedLaunchSnapshot } from './TeamLaunchStateEvaluator';
import type {
PersistedTeamLaunchMemberState,
PersistedTeamLaunchSnapshot,
TeamProvisioningProgress,
TeamRuntimeState,
} from '@shared/types';
const TEAM_BOOTSTRAP_STATE_FILE = 'bootstrap-state.json';
const TEAM_BOOTSTRAP_JOURNAL_FILE = 'bootstrap-journal.jsonl';
const TEAM_BOOTSTRAP_LOCK_DIR = '.bootstrap.lock';
const TEAM_BOOTSTRAP_LOCK_METADATA_FILE = 'metadata.json';
const MAX_BOOTSTRAP_STATE_BYTES = 256 * 1024;
const MAX_BOOTSTRAP_JOURNAL_BYTES = 256 * 1024;
const MAX_BOOTSTRAP_LOCK_METADATA_BYTES = 64 * 1024;
const ACTIVE_BOOTSTRAP_STUCK_CLASSIFICATION_MS = 3 * 60 * 1000;
const TERMINAL_BOOTSTRAP_ONLY_PENDING_GRACE_MS = 5 * 60 * 1000;
interface RawBootstrapMemberState {
name?: unknown;
status?: unknown;
lastAttemptAt?: unknown;
lastObservedAt?: unknown;
failureReason?: unknown;
}
interface RawBootstrapState {
version?: unknown;
runId?: unknown;
teamName?: unknown;
startedAt?: unknown;
ownerPid?: unknown;
updatedAt?: unknown;
phase?: unknown;
realTaskSubmissionState?: unknown;
members?: unknown;
terminal?: unknown;
}
type RawBootstrapJournalRecord =
| { ts?: unknown; type?: 'phase'; phase?: unknown }
| { ts?: unknown; type?: 'lock'; action?: unknown; ownerPid?: unknown; detail?: unknown }
| { ts?: unknown; type?: 'member'; name?: unknown; action?: unknown; detail?: unknown }
| { ts?: unknown; type?: 'terminal'; status?: unknown; reason?: unknown }
| { ts?: unknown; type?: 'real_task'; state?: unknown; detail?: unknown };
interface RawBootstrapLockMetadata {
pid?: unknown;
runId?: unknown;
requestHash?: unknown;
ownerStartedAt?: unknown;
createdAt?: unknown;
nonce?: unknown;
}
interface BootstrapStateInspection {
raw: RawBootstrapState | null;
issue?: string;
}
interface BootstrapJournalInspection {
warnings?: string[];
issue?: string;
lastPhase?: BootstrapRuntimePhase;
}
interface BootstrapLockMetadata {
pid: number;
runId: string;
ownerStartedAt?: number;
}
type BootstrapRuntimePhase =
| 'validating_spec'
| 'loading_existing_state'
| 'acquiring_bootstrap_lock'
| 'creating_team'
| 'spawning_members'
| 'auditing_truth'
| 'completed'
| 'failed'
| 'canceled';
interface ComparableStat {
dev?: number;
ino?: number;
size: number;
mode?: number;
mtimeMs?: number;
}
function isFiniteNumber(value: unknown): value is number {
return typeof value === 'number' && Number.isFinite(value);
}
function sameFiniteNumber(a: unknown, b: unknown): boolean {
return isFiniteNumber(a) && isFiniteNumber(b) && a === b;
}
function didValidatedFileChange(expected: ComparableStat, actual: ComparableStat): boolean {
const comparableIdentity =
isFiniteNumber(expected.dev) &&
isFiniteNumber(actual.dev) &&
isFiniteNumber(expected.ino) &&
isFiniteNumber(actual.ino);
if (comparableIdentity) {
return expected.dev !== actual.dev || expected.ino !== actual.ino;
}
if (sameFiniteNumber(expected.dev, actual.dev) && sameFiniteNumber(expected.ino, actual.ino)) {
return false;
}
return (
expected.size !== actual.size ||
expected.mode !== actual.mode ||
expected.mtimeMs !== actual.mtimeMs
);
}
async function readBoundRegularUtf8File(
targetPath: string,
maxBytes: number,
messages: {
notRegular: string;
oversized: string;
invalid: string;
}
): Promise<{ contents: string } | { issue: string } | null> {
try {
const validated = await fs.promises.lstat(targetPath);
if (validated.isSymbolicLink() || !validated.isFile()) {
return { issue: messages.notRegular };
}
if (validated.size > maxBytes) {
return { issue: messages.oversized };
}
let handle: fs.promises.FileHandle;
try {
handle = await fs.promises.open(targetPath, 'r');
} catch {
return { issue: messages.invalid };
}
try {
const opened = await handle.stat();
if (!opened.isFile() || didValidatedFileChange(validated, opened)) {
return { issue: messages.invalid };
}
if (opened.size > maxBytes) {
return { issue: messages.oversized };
}
return {
contents: await handle.readFile({ encoding: 'utf8' }),
};
} finally {
await handle.close().catch(() => undefined);
}
} catch (error) {
if ((error as NodeJS.ErrnoException | undefined)?.code === 'ENOENT') {
return null;
}
return { issue: messages.invalid };
}
}
function isBootstrapPhaseTerminal(phase: BootstrapRuntimePhase): boolean {
return phase === 'completed' || phase === 'failed' || phase === 'canceled';
}
function isProcessAlive(pid: number): boolean {
if (!Number.isFinite(pid) || pid <= 0) {
return false;
}
try {
process.kill(pid, 0);
return true;
} catch (error) {
return (error as NodeJS.ErrnoException | undefined)?.code === 'EPERM';
}
}
function classifyBootstrapOwnerState(raw: RawBootstrapState): {
ownerDead: boolean;
stale: boolean;
failureReason?: string;
} {
const phase = typeof raw.phase === 'string' ? (raw.phase as BootstrapRuntimePhase) : null;
if (!phase || isBootstrapPhaseTerminal(phase)) {
return { ownerDead: false, stale: false };
}
const ownerPid = typeof raw.ownerPid === 'number' ? raw.ownerPid : null;
if (ownerPid === null || isProcessAlive(ownerPid)) {
return { ownerDead: false, stale: false };
}
const updatedAtMs =
typeof raw.updatedAt === 'number'
? raw.updatedAt
: typeof raw.updatedAt === 'string'
? Date.parse(raw.updatedAt)
: NaN;
const stale =
Number.isFinite(updatedAtMs) &&
Date.now() - updatedAtMs >= ACTIVE_BOOTSTRAP_STUCK_CLASSIFICATION_MS;
return {
ownerDead: true,
stale,
failureReason: stale
? `bootstrap owner pid ${ownerPid} is gone and persisted bootstrap state is stale`
: `bootstrap owner pid ${ownerPid} is gone before bootstrap reached a terminal state`,
};
}
async function inspectBootstrapState(teamName: string): Promise<BootstrapStateInspection> {
const targetPath = getTeamBootstrapStatePath(teamName);
const file = await readBoundRegularUtf8File(targetPath, MAX_BOOTSTRAP_STATE_BYTES, {
notRegular:
'Persisted deterministic bootstrap state is unreadable because bootstrap-state.json is a symlink or not a regular file.',
oversized:
'Persisted deterministic bootstrap state is unreadable because bootstrap-state.json is oversized.',
invalid:
'Persisted deterministic bootstrap state is unreadable because bootstrap-state.json is invalid, truncated, inaccessible, or changed while being read.',
});
if (!file) {
return { raw: null };
}
if ('issue' in file) {
return {
raw: null,
issue: file.issue,
};
}
try {
const raw = JSON.parse(file.contents) as RawBootstrapState;
if (raw.version !== 1) {
return {
raw: null,
issue:
'Persisted deterministic bootstrap state is unreadable because bootstrap-state.json has an unsupported schema version.',
};
}
return { raw };
} catch {
return {
raw: null,
issue:
'Persisted deterministic bootstrap state is unreadable because bootstrap-state.json is invalid, truncated, inaccessible, or changed while being read.',
};
}
}
async function readRawBootstrapState(teamName: string): Promise<RawBootstrapState | null> {
return (await inspectBootstrapState(teamName)).raw;
}
function getBootstrapProgressProjection(
phase: BootstrapRuntimePhase,
memberCount: number
): { state: Exclude<TeamProvisioningProgress['state'], 'idle'>; message: string } | null {
switch (phase) {
case 'validating_spec':
return {
state: 'validating',
message: 'Validating deterministic bootstrap spec',
};
case 'loading_existing_state':
return {
state: 'configuring',
message: 'Loading existing team state',
};
case 'acquiring_bootstrap_lock':
return {
state: 'configuring',
message: 'Acquiring deterministic bootstrap lock',
};
case 'creating_team':
return {
state: 'assembling',
message: 'Creating team config',
};
case 'spawning_members':
return {
state: 'assembling',
message:
memberCount > 0
? `Spawning teammate runtimes (${memberCount})`
: 'Spawning teammate runtimes',
};
case 'auditing_truth':
return {
state: 'finalizing',
message: 'Auditing registered teammates and bootstrap truth',
};
case 'completed':
return {
state: 'ready',
message: 'Deterministic bootstrap completed',
};
case 'failed':
return {
state: 'failed',
message: 'Deterministic bootstrap failed',
};
case 'canceled':
return {
state: 'cancelled',
message: 'Deterministic bootstrap cancelled',
};
default:
return null;
}
}
function toIso(value: unknown, fallback: string): string {
if (typeof value === 'string' && value.trim().length > 0) {
return value;
}
if (typeof value === 'number' && Number.isFinite(value) && value > 0) {
return new Date(value).toISOString();
}
return fallback;
}
function normalizeBootstrapMemberState(
memberName: string,
raw: RawBootstrapMemberState,
updatedAt: string
): PersistedTeamLaunchMemberState {
const status = typeof raw.status === 'string' ? raw.status : 'pending';
const hardFailure = status === 'failed';
const bootstrapConfirmed = status === 'bootstrap_confirmed';
const bootstrapReportedRuntimeAlive = status === 'runtime_alive';
const runtimeAlive = bootstrapConfirmed;
const agentToolAccepted =
bootstrapConfirmed ||
bootstrapReportedRuntimeAlive ||
status === 'registered' ||
status === 'spawn_started' ||
hardFailure;
return {
name: memberName,
launchState: hardFailure
? 'failed_to_start'
: bootstrapConfirmed
? 'confirmed_alive'
: agentToolAccepted
? 'runtime_pending_bootstrap'
: 'starting',
agentToolAccepted,
runtimeAlive,
bootstrapConfirmed,
hardFailure,
hardFailureReason:
typeof raw.failureReason === 'string' && raw.failureReason.trim().length > 0
? raw.failureReason.trim()
: undefined,
firstSpawnAcceptedAt: agentToolAccepted ? toIso(raw.lastAttemptAt, updatedAt) : undefined,
lastHeartbeatAt: bootstrapConfirmed ? toIso(raw.lastObservedAt, updatedAt) : undefined,
lastRuntimeAliveAt: runtimeAlive ? toIso(raw.lastObservedAt, updatedAt) : undefined,
lastEvaluatedAt: toIso(raw.lastObservedAt, updatedAt),
sources: {
configRegistered:
status === 'registered' ||
status === 'runtime_alive' ||
status === 'bootstrap_confirmed' ||
hardFailure,
processAlive: runtimeAlive || undefined,
hardFailureSignal: hardFailure || undefined,
},
diagnostics: hardFailure
? [
typeof raw.failureReason === 'string' && raw.failureReason.trim().length > 0
? raw.failureReason.trim()
: 'deterministic bootstrap failed',
]
: bootstrapConfirmed
? ['late heartbeat received']
: bootstrapReportedRuntimeAlive
? ['runtime alive reported by bootstrap state', 'waiting for strict live verification']
: agentToolAccepted
? ['spawn accepted']
: undefined,
};
}
export function getTeamBootstrapStatePath(teamName: string): string {
return path.join(getTeamsBasePath(), teamName, TEAM_BOOTSTRAP_STATE_FILE);
}
function getTeamBootstrapJournalPath(teamName: string): string {
return path.join(getTeamsBasePath(), teamName, TEAM_BOOTSTRAP_JOURNAL_FILE);
}
function getTeamBootstrapLockMetadataPath(teamName: string): string {
return path.join(
getTeamsBasePath(),
teamName,
TEAM_BOOTSTRAP_LOCK_DIR,
TEAM_BOOTSTRAP_LOCK_METADATA_FILE
);
}
async function readBootstrapLockMetadata(teamName: string): Promise<BootstrapLockMetadata | null> {
const targetPath = getTeamBootstrapLockMetadataPath(teamName);
const file = await readBoundRegularUtf8File(targetPath, MAX_BOOTSTRAP_LOCK_METADATA_BYTES, {
notRegular: '',
oversized: '',
invalid: '',
});
if (!file || 'issue' in file) {
return null;
}
try {
const raw = JSON.parse(file.contents) as RawBootstrapLockMetadata;
if (
typeof raw.pid !== 'number' ||
!Number.isFinite(raw.pid) ||
raw.pid <= 0 ||
typeof raw.runId !== 'string' ||
raw.runId.trim().length === 0
) {
return null;
}
return {
pid: raw.pid,
runId: raw.runId.trim(),
ownerStartedAt:
typeof raw.ownerStartedAt === 'number' && Number.isFinite(raw.ownerStartedAt)
? raw.ownerStartedAt
: undefined,
};
} catch {
return null;
}
}
async function readBootstrapJournalWarnings(teamName: string): Promise<string[] | undefined> {
const inspection = await inspectBootstrapJournal(teamName);
const warnings = [inspection.issue, ...(inspection.warnings ?? [])].filter(
(item): item is string => typeof item === 'string' && item.trim().length > 0
);
return warnings.length > 0 ? warnings : undefined;
}
async function inspectBootstrapJournal(teamName: string): Promise<BootstrapJournalInspection> {
const targetPath = getTeamBootstrapJournalPath(teamName);
const file = await readBoundRegularUtf8File(targetPath, MAX_BOOTSTRAP_JOURNAL_BYTES, {
notRegular:
'Persisted deterministic bootstrap journal is unreadable because bootstrap-journal.jsonl is a symlink or not a regular file.',
oversized:
'Persisted deterministic bootstrap journal is unreadable because bootstrap-journal.jsonl is oversized.',
invalid:
'Persisted deterministic bootstrap journal is unreadable because bootstrap-journal.jsonl is invalid, truncated, inaccessible, or changed while being read.',
});
if (!file) {
return {};
}
if ('issue' in file) {
return {
issue: file.issue,
};
}
try {
const raw = file.contents;
const lines = raw
.split('\n')
.map((line) => line.trim())
.filter((line) => line.length > 0)
.slice(-3);
const records = lines
.map((line) => {
try {
return JSON.parse(line) as RawBootstrapJournalRecord;
} catch {
return null;
}
})
.filter((record): record is RawBootstrapJournalRecord => Boolean(record));
const messages = records
.map((record) => {
if (record.type === 'phase' && typeof record.phase === 'string') {
return `bootstrap phase: ${record.phase}`;
}
if (record.type === 'lock' && typeof record.action === 'string') {
const owner = typeof record.ownerPid === 'number' ? ` (pid ${record.ownerPid})` : '';
return `bootstrap lock ${record.action}${owner}`;
}
if (
record.type === 'member' &&
typeof record.name === 'string' &&
typeof record.action === 'string'
) {
return typeof record.detail === 'string' && record.detail.trim().length > 0
? `${record.name}: ${record.action} (${record.detail.trim()})`
: `${record.name}: ${record.action}`;
}
if (record.type === 'terminal' && typeof record.status === 'string') {
return typeof record.reason === 'string' && record.reason.trim().length > 0
? `bootstrap ${record.status}: ${record.reason.trim()}`
: `bootstrap ${record.status}`;
}
if (record.type === 'real_task' && typeof record.state === 'string') {
return typeof record.detail === 'string' && record.detail.trim().length > 0
? `first task ${record.state}: ${record.detail.trim()}`
: `first task ${record.state}`;
}
return null;
})
.filter((item): item is string => Boolean(item));
if (lines.length > 0 && messages.length === 0) {
return {
issue:
'Persisted deterministic bootstrap journal is unreadable because bootstrap-journal.jsonl is invalid, truncated, inaccessible, or changed while being read.',
};
}
const lastPhaseRecord = [...records]
.reverse()
.find(
(record): record is Extract<RawBootstrapJournalRecord, { type?: 'phase' }> =>
record.type === 'phase' && typeof record.phase === 'string'
);
return {
...(lastPhaseRecord?.phase
? { lastPhase: lastPhaseRecord.phase as BootstrapRuntimePhase }
: {}),
warnings:
messages.length > 0
? [`Recent deterministic bootstrap events: ${messages.join(' | ')}`]
: undefined,
};
} catch {
return {
issue:
'Persisted deterministic bootstrap journal is unreadable because bootstrap-journal.jsonl is invalid, truncated, inaccessible, or changed while being read.',
};
}
}
async function readDegradedBootstrapRuntimeState(
teamName: string,
stateIssue: string
): Promise<TeamRuntimeState | null> {
const lockMetadata = await readBootstrapLockMetadata(teamName);
if (!lockMetadata) {
return null;
}
const journalInspection = await inspectBootstrapJournal(teamName);
const warnings = [
stateIssue,
journalInspection.issue,
...(journalInspection.warnings ?? []),
].filter((item): item is string => typeof item === 'string' && item.trim().length > 0);
const ownerAlive = isProcessAlive(lockMetadata.pid);
const now = new Date().toISOString();
const degradedProjection =
ownerAlive && journalInspection.lastPhase
? getBootstrapProgressProjection(journalInspection.lastPhase, 0)
: null;
const projectedState =
degradedProjection &&
degradedProjection.state !== 'ready' &&
degradedProjection.state !== 'failed' &&
degradedProjection.state !== 'cancelled'
? degradedProjection.state
: 'configuring';
const projectedMessage =
degradedProjection &&
degradedProjection.state !== 'ready' &&
degradedProjection.state !== 'failed' &&
degradedProjection.state !== 'cancelled'
? `${degradedProjection.message} (degraded recovery)`
: 'Deterministic bootstrap recovery is degraded because persisted bootstrap state is unreadable';
return {
teamName,
isAlive: false,
runId: lockMetadata.runId,
progress: {
runId: lockMetadata.runId,
teamName,
state: ownerAlive ? projectedState : 'failed',
message: ownerAlive
? projectedMessage
: 'Deterministic bootstrap recovery failed because persisted bootstrap state is unreadable and the bootstrap owner is gone',
messageSeverity: 'warning',
error: ownerAlive
? stateIssue
: `${stateIssue} Bootstrap owner pid ${lockMetadata.pid} is not alive.`,
warnings: warnings.length > 0 ? warnings : undefined,
startedAt:
typeof lockMetadata.ownerStartedAt === 'number' &&
Number.isFinite(lockMetadata.ownerStartedAt)
? new Date(lockMetadata.ownerStartedAt).toISOString()
: now,
updatedAt: now,
pid: lockMetadata.pid,
},
};
}
export async function readBootstrapLaunchSnapshot(
teamName: string
): Promise<PersistedTeamLaunchSnapshot | null> {
const raw = await readRawBootstrapState(teamName);
if (!raw) {
return null;
}
try {
const updatedAt = toIso(raw.updatedAt, new Date().toISOString());
const rawMembers = Array.isArray(raw.members) ? raw.members : [];
const members: Record<string, PersistedTeamLaunchMemberState> = {};
const expectedMembers: string[] = [];
for (const item of rawMembers) {
if (!item || typeof item !== 'object') continue;
const rawMember = item as RawBootstrapMemberState;
const memberName = typeof rawMember.name === 'string' ? rawMember.name.trim() : '';
if (!memberName || memberName === 'team-lead' || memberName === 'user') continue;
expectedMembers.push(memberName);
members[memberName] = normalizeBootstrapMemberState(memberName, rawMember, updatedAt);
}
const terminal =
raw.terminal && typeof raw.terminal === 'object'
? (raw.terminal as Record<string, unknown>)
: null;
const terminalStatus = typeof terminal?.status === 'string' ? terminal.status : undefined;
const phase = typeof raw.phase === 'string' ? raw.phase : undefined;
const ownerState = classifyBootstrapOwnerState(raw);
const launchPhase =
terminalStatus === 'completed' ||
terminalStatus === 'partial_success' ||
terminalStatus === 'failed' ||
terminalStatus === 'canceled' ||
ownerState.ownerDead ||
phase === 'completed' ||
phase === 'failed' ||
phase === 'canceled'
? 'finished'
: 'active';
if (ownerState.ownerDead) {
const diagnostics = ownerState.failureReason ? [ownerState.failureReason] : undefined;
for (const memberName of expectedMembers) {
const entry = members[memberName];
if (
!entry ||
entry.launchState === 'confirmed_alive' ||
entry.launchState === 'failed_to_start'
) {
continue;
}
members[memberName] = {
...entry,
launchState: 'failed_to_start',
hardFailure: true,
hardFailureReason: ownerState.failureReason,
diagnostics: diagnostics ?? entry.diagnostics,
sources: {
...entry.sources,
hardFailureSignal: true,
},
};
}
}
return createPersistedLaunchSnapshot({
teamName:
typeof raw.teamName === 'string' && raw.teamName.trim().length > 0
? raw.teamName.trim()
: teamName,
expectedMembers,
launchPhase,
members,
updatedAt,
});
} catch {
return null;
}
}
export async function readBootstrapRealTaskSubmissionState(
teamName: string
): Promise<'not_submitted' | 'submitted' | 'unknown' | null> {
const raw = await readRawBootstrapState(teamName);
if (!raw) {
return null;
}
const state = raw.realTaskSubmissionState;
return state === 'not_submitted' || state === 'submitted' || state === 'unknown' ? state : null;
}
export async function readBootstrapRuntimeState(
teamName: string
): Promise<TeamRuntimeState | null> {
const inspection = await inspectBootstrapState(teamName);
const raw = inspection.raw;
if (!raw) {
return inspection.issue ? readDegradedBootstrapRuntimeState(teamName, inspection.issue) : null;
}
try {
const journalWarnings = await readBootstrapJournalWarnings(teamName);
const phase = typeof raw.phase === 'string' ? (raw.phase as BootstrapRuntimePhase) : null;
if (!phase) {
return null;
}
const ownerState = classifyBootstrapOwnerState(raw);
if (ownerState.ownerDead) {
const startedAt = toIso(raw.startedAt, new Date().toISOString());
const updatedAt = toIso(raw.updatedAt, startedAt);
return {
teamName:
typeof raw.teamName === 'string' && raw.teamName.trim().length > 0
? raw.teamName.trim()
: teamName,
isAlive: false,
runId: typeof raw.runId === 'string' ? raw.runId : null,
progress: {
runId: typeof raw.runId === 'string' ? raw.runId : teamName,
teamName:
typeof raw.teamName === 'string' && raw.teamName.trim().length > 0
? raw.teamName.trim()
: teamName,
state: 'failed',
message: ownerState.stale
? 'Deterministic bootstrap became stuck after owner process exited'
: 'Deterministic bootstrap owner exited before bootstrap completed',
error: ownerState.failureReason,
warnings: journalWarnings,
startedAt,
updatedAt,
...(typeof raw.ownerPid === 'number' ? { pid: raw.ownerPid } : {}),
},
};
}
const activePhases: BootstrapRuntimePhase[] = [
'validating_spec',
'loading_existing_state',
'acquiring_bootstrap_lock',
'creating_team',
'spawning_members',
'auditing_truth',
];
if (!activePhases.includes(phase)) {
return null;
}
const projection = getBootstrapProgressProjection(
phase,
Array.isArray(raw.members) ? raw.members.length : 0
);
if (!projection) {
return null;
}
const startedAt = toIso(raw.startedAt, new Date().toISOString());
const updatedAt = toIso(raw.updatedAt, startedAt);
const runId = typeof raw.runId === 'string' && raw.runId.trim().length > 0 ? raw.runId : null;
const pid =
typeof raw.ownerPid === 'number' && Number.isFinite(raw.ownerPid) && raw.ownerPid > 0
? raw.ownerPid
: undefined;
const progress: TeamProvisioningProgress = {
runId: runId ?? `bootstrap:${teamName}`,
teamName:
typeof raw.teamName === 'string' && raw.teamName.trim().length > 0
? raw.teamName.trim()
: teamName,
state: projection.state,
message: projection.message,
warnings: journalWarnings,
startedAt,
updatedAt,
...(pid ? { pid } : {}),
};
return {
teamName:
typeof raw.teamName === 'string' && raw.teamName.trim().length > 0
? raw.teamName.trim()
: teamName,
isAlive: false,
runId,
progress,
};
} catch {
return null;
}
}
export async function clearBootstrapState(teamName: string): Promise<void> {
try {
await fs.promises.rm(getTeamBootstrapStatePath(teamName), { force: true });
} catch {
// best-effort
}
}
function isLaunchSnapshotLike(value: unknown): value is PersistedTeamLaunchSnapshot {
return (
Boolean(value) &&
typeof value === 'object' &&
Array.isArray((value as PersistedTeamLaunchSnapshot).expectedMembers) &&
typeof (value as PersistedTeamLaunchSnapshot).members === 'object' &&
(value as PersistedTeamLaunchSnapshot).members !== null
);
}
function getLaunchSnapshotRichness(snapshot: PersistedTeamLaunchSnapshot): number {
const persistedMemberCount = getPersistedLaunchMemberNames(snapshot).length;
let metadataScore = 0;
for (const member of Object.values(snapshot.members)) {
if (!member || typeof member !== 'object') continue;
if (member.providerId) metadataScore += 3;
if (member.providerBackendId) metadataScore += 3;
if (member.selectedFastMode) metadataScore += 2;
if (typeof member.resolvedFastMode === 'boolean') metadataScore += 2;
if (member.laneId) metadataScore += 4;
if (member.laneKind) metadataScore += 4;
if (member.laneOwnerProviderId) metadataScore += 3;
if (member.launchIdentity) metadataScore += 6;
}
return (
persistedMemberCount * 10 +
Object.keys(snapshot.members).length * 5 +
metadataScore +
(snapshot.bootstrapExpectedMembers?.length ? 20 : 0)
);
}
function getPersistedLaunchMemberNames(snapshot: PersistedTeamLaunchSnapshot): string[] {
return Array.from(new Set([...snapshot.expectedMembers, ...Object.keys(snapshot.members)]));
}
export function shouldIgnoreTerminalBootstrapOnlyPendingSnapshot(
snapshot: Pick<PersistedTeamLaunchSnapshot, 'launchPhase' | 'teamLaunchState' | 'updatedAt'>,
nowMs: number = Date.now()
): boolean {
if (snapshot.launchPhase !== 'finished' || snapshot.teamLaunchState !== 'partial_pending') {
return false;
}
const updatedAtMs = Date.parse(snapshot.updatedAt);
if (!Number.isFinite(updatedAtMs)) {
return false;
}
return nowMs - updatedAtMs >= TERMINAL_BOOTSTRAP_ONLY_PENDING_GRACE_MS;
}
export function choosePreferredLaunchSnapshot<T extends { updatedAt?: string }>(
bootstrapSnapshot: T | null,
launchSnapshot: T | null
): T | null {
if (!bootstrapSnapshot) return launchSnapshot;
if (
!launchSnapshot &&
isLaunchSnapshotLike(bootstrapSnapshot) &&
shouldIgnoreTerminalBootstrapOnlyPendingSnapshot(bootstrapSnapshot)
) {
return null;
}
if (!launchSnapshot) return bootstrapSnapshot;
if (isLaunchSnapshotLike(bootstrapSnapshot) && isLaunchSnapshotLike(launchSnapshot)) {
const bootstrapRichness = getLaunchSnapshotRichness(bootstrapSnapshot);
const launchRichness = getLaunchSnapshotRichness(launchSnapshot);
const bootstrapMemberCount = getPersistedLaunchMemberNames(bootstrapSnapshot).length;
const launchMemberCount = getPersistedLaunchMemberNames(launchSnapshot).length;
if (launchRichness > bootstrapRichness && launchMemberCount >= bootstrapMemberCount) {
return launchSnapshot as T;
}
if (bootstrapRichness > launchRichness && bootstrapMemberCount >= launchMemberCount) {
return bootstrapSnapshot as T;
}
}
const bootstrapMs = Date.parse(bootstrapSnapshot.updatedAt ?? '');
const launchMs = Date.parse(launchSnapshot.updatedAt ?? '');
if (Number.isFinite(bootstrapMs) && Number.isFinite(launchMs)) {
return bootstrapMs >= launchMs ? bootstrapSnapshot : launchSnapshot;
}
return bootstrapSnapshot;
}