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4x 4x 5x 5x 5x 5x 4x 4x 4x 9x 9x 9x 9x 9x 9x 9x 5x 5x 13x 11x 3x 3x 4x 4x 5x 5x 5x 8x 6x 3x 3x 5x 5x 7x 5x 5x 4x 6x 6x 3x 3x 3x 5x 5x 3x 2x 1x 7x 7x 5x 5x 5x 5x 4x 4x 5x 5x 7x 7x 6x 8x 8x 3x 3x 4x 4x 4x 4x 4x 4x 4x 4x 98x 1x 97x 97x 97x 97x 97x 97x 174x 174x 78x 78x 78x 78x 127x 127x 96x 96x 96x 97x | import {
CAPABILITY,
CRAWLER_STATUS_FIELD,
bearerHeaders,
JSON_HEADERS,
OCTET_STREAM_HEADERS,
REQUEST_OUTCOME,
SEARCH_CHUNK_TYPE,
SERVER_STATUS_PREFIX,
SSE_EVENT,
ERROR_NAME,
HTTP_STATUS,
} from "./types";
import { ok, err, Result } from "./result";
import { attachmentFileName } from "./utils/attachment";
import { withIdleTimeout } from "./utils/idle";
import type {
AgentClient,
AgentConfigIndexResponse,
AgentConfigResponse,
Capability,
CatalogResponse,
ConfigResponse,
ConfigSchemaResponse,
CrawlerStatusField,
CrawlerStatusResponse,
ConfigUpdateResponse,
ConversationState,
CrawlRenderMode,
DatasetFormat,
DocumentResult,
DocumentsResponse,
GenerationOptions,
HealthResponse,
InstalledResponse,
PlacementResponse,
PlacementSpec,
MemoryFlagsResponse,
MemoryItem,
MemoryKind,
MemoryListResponse,
MemoryRemoveResponse,
Message,
ModelShowResponse,
SessionDeleteResponse,
SessionDetail,
SessionExport,
SessionListResponse,
SessionMeta,
SessionRenameResponse,
SessionRole,
RememberResponse,
ModelsResponse,
ModelTask,
RequestOutcome,
SearchChunkType,
SourceContent,
SSEEvent,
SetModelResponse,
StatusResponse,
WikiStatusResponse,
SyncOptions,
LintResult,
DraftAcceptResponse,
DraftInfoResponse,
DraftRejectResponse,
WikiCitationChain,
WikiPage,
WikiPageDetail,
WikiStub,
WikiPruneResult,
} from "./types";
const DEFAULT_TIMEOUT_MS = 15_000;
const CONTENT_DISPOSITION = "Content-Disposition";
const RETRY_COUNT = 2;
const RETRY_BACKOFF_MS = 500;
// In managed mode, the plugin's onload doesn't configure the API until
// startManagedServer finishes (binary download + server boot). A caller
// firing a chat or catalog request in that window would otherwise see
// "Server is still starting up" with no recovery. Poll for the URL
// instead of bailing immediately; if it never lands, the throw still
// happens, just deferred.
const STARTUP_WAIT_MS = 12_000;
const STARTUP_POLL_INTERVAL_MS = 250;
/**
* Thrown when the server rejects a request with 401 / 403 after the plugin's
* auto-retry + token-refresh has failed. Signals that the stored session token
* (manualToken or auto-discovered) is stale and the user needs to paste a new
* one in Settings → Session token. Catchers should surface a targeted notice.
*/
export class SessionTokenError extends Error {
readonly status: number;
constructor(status: number, body: string) {
super(`Session token invalid (HTTP ${status}): ${body}`);
this.name = ERROR_NAME.SESSION_TOKEN;
this.status = status;
}
}
/**
* Thrown when a request is attempted before the managed server has reported
* its random listen port. Lets callers (settings UI, status bar) render a
* "starting…" state instead of firing requests at the default port.
*/
export class ServerStartingError extends Error {
constructor() {
super("Server is still starting up");
this.name = ERROR_NAME.SERVER_STARTING;
}
}
/**
* Thrown when the server returns HTTP 429 (e.g. a streaming endpoint already
* has a stream in flight from another client). Carries the optional Retry-After
* value in seconds so callers can include it in user copy. Never auto-retried —
* the bead contract is "surface gracefully, do not silently retry-loop".
*/
export class RateLimitedError extends Error {
readonly retryAfterSeconds: number | null;
constructor(retryAfterSeconds: number | null = null) {
super("lilbee is busy with another request");
this.name = ERROR_NAME.RATE_LIMITED;
this.retryAfterSeconds = retryAfterSeconds;
}
}
/**
* Thrown when the server answers 503 while it upgrades an older library in place.
* Never retried: the upgrade runs for a while and `/api/health` reports its progress.
*/
export class LibraryUpgradingError extends Error {
constructor() {
super("lilbee is upgrading the library");
this.name = ERROR_NAME.LIBRARY_UPGRADING;
}
}
const HTTP_SERVER_ERROR = 500;
const HTTP_SERVICE_UNAVAILABLE = 503;
/** True when a 503 body is the object the server sends while it upgrades, which always carries `upgrade`. */
function isUpgradeBody(text: string): boolean {
try {
const body: unknown = JSON.parse(text);
return typeof body === "object" && body !== null && "upgrade" in body;
} catch {
return false;
}
}
/** True when the error carries the status line `assertOk` writes, so the server answered. */
export function hasStatusLine(error: unknown): error is Error {
return error instanceof Error && error.message.startsWith(SERVER_STATUS_PREFIX);
}
/** The status in that line, or null when it carries no number to read. */
function httpStatusOf(error: unknown): number | null {
if (!hasStatusLine(error)) return null;
const status = parseInt(error.message.slice(SERVER_STATUS_PREFIX.length + 1), 10);
return Number.isNaN(status) ? null : status;
}
/** True when the server rejected the request itself, so re-sending it unchanged will not help. */
export function isClientError(error: unknown): boolean {
const status = httpStatusOf(error);
return status !== null && status < HTTP_SERVER_ERROR;
}
/** True when the server failed rather than refused. An unreadable status is not a failure. */
function isServerError(error: unknown): boolean {
const status = httpStatusOf(error);
return status !== null && status >= HTTP_SERVER_ERROR;
}
/** Statuses a `Response` cannot be built with a body for; Chromium can still hand them a non-null empty one. */
const NULL_BODY_STATUSES: ReadonlySet<number> = new Set([204, 205, 304]);
/** `res` with its body read through a stream that fails once `idleMs` pass without a byte. */
function idleBoundedBody(res: Response, idleMs: number, abort: () => void): Response {
if (!res.body || NULL_BODY_STATUSES.has(res.status)) return res;
const reader = res.body.getReader();
const chunks = withIdleTimeout(readChunks(reader), idleMs, abort);
const body = new ReadableStream<Uint8Array>({
async pull(stream) {
const next = await chunks.next();
if (next.done) stream.close();
else stream.enqueue(next.value);
},
cancel: (reason) => reader.cancel(reason),
});
return new Response(body, { status: res.status, statusText: res.statusText, headers: res.headers });
}
async function* readChunks(reader: ReadableStreamDefaultReader<Uint8Array>): AsyncGenerator<Uint8Array, void> {
while (true) {
const { done, value } = await reader.read();
if (done) return;
yield value;
}
}
/**
* True when a `fetchResult` error came from a specific HTTP status. `assertOk`
* formats non-ok responses as `Server responded <status>: <body>`, so callers
* (e.g. the placement view distinguishing a 409 "apply not enabled" from a real
* failure) can branch on the status without a bespoke error type per route.
*/
export function isHttpStatus(error: Error, status: number): boolean {
return httpStatusOf(error) === status;
}
/**
* Accumulates SSE lines into frames. A frame is the `event:` name plus every
* `data:` line before the blank line that ends it.
*/
class SseFrames {
private event: string = SSE_EVENT.MESSAGE;
private data: string[] = [];
/** Feed one line. Returns the frame it completed, or null. */
accept(line: string): SSEEvent | null {
if (line.startsWith("event:")) {
this.event = (line.startsWith("event: ") ? line.slice(7) : line.slice(6)).trim();
return null;
}
if (line.startsWith("data:")) {
this.data.push(line.startsWith("data: ") ? line.slice(6) : line.slice(5));
return null;
}
return line.trim() === "" ? this.take() : null;
}
/** The accumulated frame, or null when there is none. Resets either way. */
take(): SSEEvent | null {
const event = this.event;
const raw = this.data.join("\n");
const had = this.data.length > 0;
this.event = SSE_EVENT.MESSAGE;
this.data = [];
if (!had) return null;
try {
return { event, data: JSON.parse(raw) };
} catch {
return { event, data: raw };
}
}
}
export class LilbeeClient {
private token: string | null = null;
private tokenProvider: (() => string | null) | null = null;
private outcomeCb: ((o: RequestOutcome) => void) | null = null;
private capabilityCache: Map<Capability, boolean> = new Map();
constructor(
private baseUrl: string,
token?: string,
) {
if (token) this.token = token;
}
setToken(token: string | null): void {
this.token = token;
}
setTokenProvider(provider: (() => string | null) | null): void {
this.tokenProvider = provider;
}
/** Subscribe to the outcome of every ``fetchWithRetry`` call. */
setOutcomeCallback(cb: ((o: RequestOutcome) => void) | null): void {
this.outcomeCb = cb;
}
private recordOutcome(outcome: RequestOutcome): void {
this.outcomeCb?.(outcome);
}
/** Repoint the client at a new base URL in place — lets the wizard update
* the target server without tearing down the existing client instance. */
setBaseUrl(url: string): void {
this.baseUrl = url;
}
/** Reachability probe for an arbitrary URL. True on an ok response, false on
* any error or timeout. Keeps browser fetch inside this module.
*
* *token* is explicit rather than optional: the server authenticates every
* route, so a bare probe of a healthy server comes back 401 and reads as
* unreachable. Pass null only when there is genuinely no token to send —
* making it a required argument keeps a future caller from defaulting its
* way back into that bug. */
static async probe(url: string, timeoutMs: number, token: string | null): Promise<boolean> {
const controller = new AbortController();
const timer = window.setTimeout(() => controller.abort(), timeoutMs);
try {
const res = await window.fetch(url, {
signal: controller.signal,
...(token ? { headers: bearerHeaders(token) } : {}),
});
return res.ok;
} catch {
return false;
} finally {
window.clearTimeout(timer);
}
}
private authHeaders(): Record<string, string> {
if (!this.token) return {};
return bearerHeaders(this.token);
}
private refreshTokenFromProvider(): boolean {
if (!this.tokenProvider) return false;
const next = this.tokenProvider();
if (next === null || next === this.token) return false;
this.token = next;
return true;
}
private async assertOk(res: Response): Promise<Response> {
if (res.status === 429) {
const header = res.headers.get("Retry-After");
const seconds = header ? parseInt(header, 10) : NaN;
throw new RateLimitedError(Number.isFinite(seconds) ? seconds : null);
}
if (!res.ok) {
const text = await res.text().catch(() => "");
if (res.status === HTTP_SERVICE_UNAVAILABLE && isUpgradeBody(text)) throw new LibraryUpgradingError();
throw new Error(`${SERVER_STATUS_PREFIX} ${res.status}: ${text}`);
}
return res;
}
private async fetchResult<T>(
url: string,
init?: RequestInit,
opts?: { stream?: boolean; signal?: AbortSignal; timeoutMs?: number },
): Promise<Result<T, Error>> {
try {
const res = await this.fetchWithRetry(url, init, opts);
const value = (await res.json()) as T;
return ok(value);
} catch (e) {
return err(e instanceof Error ? e : new Error(String(e)));
}
}
/**
* Fetch with automatic retry on network errors and a default timeout.
* The timeout bounds the wait for the response headers and, after an ok
* response, every gap between bytes of its body.
* Does NOT retry on HTTP error responses (4xx/5xx) — only on fetch failures
* (e.g. connection refused, DNS failure, timeout).
* SSE streams should pass `stream: true` to skip the timeout.
*/
async fetchWithRetry(
url: string,
init?: RequestInit,
opts?: { stream?: boolean; signal?: AbortSignal; timeoutMs?: number },
): Promise<Response> {
// Detect a URL that was pre-interpolated with an empty baseUrl
// (callers do `${this.baseUrl}/api/...` — when baseUrl is "" the
// result starts with "/api/..."). After the startup wait below
// we rebuild it with the real host.
const isRelative = !/^https?:\/\//i.test(url);
const path = isRelative ? (url.startsWith("/") ? url : `/${url}`) : null;
if (!this.baseUrl) {
const deadline = Date.now() + STARTUP_WAIT_MS;
// A caller's signal bounds the whole call, this wait included. Without
// that, a 12 s wait for a host runs before the signal is ever consulted.
while (!this.baseUrl && Date.now() < deadline && !opts?.signal?.aborted) {
await new Promise((r) => window.setTimeout(r, STARTUP_POLL_INTERVAL_MS));
}
if (!this.baseUrl) {
this.recordOutcome(REQUEST_OUTCOME.STARTING);
throw new ServerStartingError();
}
}
if (path !== null) {
url = `${this.baseUrl}${path}`;
}
const maxAttempts = RETRY_COUNT + 1;
let lastError: unknown;
let authRetried = false;
for (let attempt = 0; attempt < maxAttempts; attempt++) {
if (attempt > 0) {
await new Promise((r) => window.setTimeout(r, RETRY_BACKOFF_MS * attempt));
}
try {
// Auth is attached here rather than at each call site: the
// server authenticates every route, and a caller that forgot
// the header would see a 401 that reads as an unreachable or
// broken server. Re-read per attempt so the retry below picks
// up a token refreshed after a 401 with no extra bookkeeping.
const fetchInit: RequestInit = {
...init,
headers: {
...(init?.headers ?? {}),
...this.authHeaders(),
},
};
let timer: number | undefined;
const timeoutMs = opts?.timeoutMs ?? DEFAULT_TIMEOUT_MS;
const controller = opts?.signal || opts?.stream ? null : new AbortController();
if (opts?.signal) {
fetchInit.signal = opts.signal;
} else if (controller) {
fetchInit.signal = controller.signal;
timer = window.setTimeout(() => controller.abort(), timeoutMs);
}
try {
const res = await window.fetch(url, fetchInit);
if ((res.status === 401 || res.status === 403) && !authRetried && this.refreshTokenFromProvider()) {
authRetried = true;
continue;
}
if (res.status === 401 || res.status === 403) {
// Either no provider, provider returned the same token, or refreshed
// token still failed. The stored session token is stale — surface a
// typed error so the UI can tell the user what to do.
const text = await res.text().catch(() => "");
this.recordOutcome(REQUEST_OUTCOME.AUTH_ERROR);
throw new SessionTokenError(res.status, text);
}
const okRes = await this.assertOk(res);
this.recordOutcome(REQUEST_OUTCOME.OK);
return controller ? idleBoundedBody(okRes, timeoutMs, () => controller.abort()) : okRes;
} finally {
if (timer !== undefined) window.clearTimeout(timer);
}
} catch (err) {
lastError = err;
if (err instanceof SessionTokenError) {
throw err;
}
if (err instanceof RateLimitedError) {
this.recordOutcome(REQUEST_OUTCOME.SERVER_ERROR);
throw err;
}
if (err instanceof LibraryUpgradingError) {
this.recordOutcome(REQUEST_OUTCOME.UPGRADING);
throw err;
}
if (hasStatusLine(err)) {
// A 4xx is the caller's to handle, not a global server fault; only a 5xx is.
this.recordOutcome(isServerError(err) ? REQUEST_OUTCOME.SERVER_ERROR : REQUEST_OUTCOME.OK);
throw err;
}
// An abort is the caller's decision, never a server fault. The
// signal is the witness, not the error: Chromium reports an
// aborted fetch as AbortError from some paths and as
// TypeError("Failed to fetch") from others, and the latter is
// indistinguishable from a refused connection by message. Left
// to the name check alone, pressing Stop mid-stream retried the
// request and then recorded "unreachable", which degraded the
// whole plugin until a health probe cleared it.
if (opts?.signal?.aborted) {
throw err;
}
if (err instanceof Error && err.name === ERROR_NAME.ABORT_ERROR) {
throw err;
}
}
}
this.recordOutcome(REQUEST_OUTCOME.UNREACHABLE);
throw lastError;
}
async health(): Promise<Result<HealthResponse, Error>> {
return this.fetchResult(`${this.baseUrl}/api/health`);
}
async status(): Promise<Result<StatusResponse, Error>> {
return this.fetchResult(`${this.baseUrl}/api/status`);
}
/** Cached per session; fail-open on probe error (showing a section that won't work degrades better than hiding one the user needs). */
async getCapability(cap: Capability): Promise<boolean> {
const cached = this.capabilityCache.get(cap);
if (cached !== undefined) return cached;
let value: boolean;
try {
value = await this.probeCapability(cap);
} catch {
value = true;
}
this.capabilityCache.set(cap, value);
return value;
}
invalidateCapability(cap?: Capability): void {
if (cap === undefined) {
this.capabilityCache.clear();
return;
}
this.capabilityCache.delete(cap);
}
private async probeCapability(cap: Capability): Promise<boolean> {
switch (cap) {
case CAPABILITY.API_KEYS:
return this.probeLitellmInstalled();
case CAPABILITY.CRAWLING:
return this.probeCrawlerInstalled(CRAWLER_STATUS_FIELD.PACKAGE);
case CAPABILITY.CRAWLING_BROWSER:
return this.probeCrawlerInstalled(CRAWLER_STATUS_FIELD.WITH_BROWSER);
case CAPABILITY.WIKI:
return this.probeWikiEnabled();
}
}
private async probeLitellmInstalled(): Promise<boolean> {
const res = await this.fetchWithRetry(`${this.baseUrl}/api/models/external`);
const body = (await res.json()) as { models?: unknown; error?: unknown };
return body.error === null || body.error === undefined;
}
private async probeCrawlerInstalled(field: CrawlerStatusField): Promise<boolean> {
const res = await this.fetchWithRetry(`${this.baseUrl}/setup/crawler/status`);
const body = (await res.json()) as CrawlerStatusResponse;
return body[field] === true;
}
private async probeWikiEnabled(): Promise<boolean> {
const cfg = await this.config();
return cfg.wiki === true;
}
async search(query: string, topK?: number, chunkType?: SearchChunkType): Promise<DocumentResult[]> {
const params = new URLSearchParams({ q: query });
if (topK !== undefined) params.set("top_k", String(topK));
if (chunkType && chunkType !== SEARCH_CHUNK_TYPE.ALL) params.set("chunk_type", chunkType);
const res = await this.fetchWithRetry(`${this.baseUrl}/api/search?${params}`);
return (await res.json()) as DocumentResult[];
}
async listSessions(): Promise<SessionMeta[]> {
const res = await this.fetchWithRetry(`${this.baseUrl}/api/sessions`);
const data = (await res.json()) as SessionListResponse;
return data.sessions;
}
async getSession(sessionId: string): Promise<SessionDetail> {
const res = await this.fetchWithRetry(`${this.baseUrl}/api/sessions/${encodeURIComponent(sessionId)}`);
return (await res.json()) as SessionDetail;
}
/** The session as a markdown document (front matter, one section per turn, numbered sources) and its file name. */
async getSessionMarkdown(sessionId: string): Promise<SessionExport> {
const res = await this.fetchWithRetry(`${this.baseUrl}/api/sessions/${encodeURIComponent(sessionId)}/markdown`);
return { markdown: await res.text(), fileName: attachmentFileName(res.headers.get(CONTENT_DISPOSITION)) };
}
/** The server takes no title here; `renameSession` is the only HTTP title write. */
async createSession(modelRef: string, scope: string): Promise<SessionDetail> {
const res = await this.fetchWithRetry(`${this.baseUrl}/api/sessions`, {
method: "POST",
headers: { ...JSON_HEADERS, ...this.authHeaders() },
body: JSON.stringify({ model_ref: modelRef, scope }),
});
return (await res.json()) as SessionDetail;
}
async appendSessionMessage(
sessionId: string,
role: SessionRole,
content: string,
sources: string[] = [],
): Promise<SessionDetail> {
const res = await this.fetchWithRetry(
`${this.baseUrl}/api/sessions/${encodeURIComponent(sessionId)}/messages`,
{
method: "POST",
headers: { ...JSON_HEADERS, ...this.authHeaders() },
body: JSON.stringify({ role, content, sources }),
},
);
return (await res.json()) as SessionDetail;
}
/** Copies the first `messageCount` messages (all when omitted) into a new session and returns it. */
async forkSession(sessionId: string, messageCount?: number): Promise<SessionDetail> {
const res = await this.fetchWithRetry(`${this.baseUrl}/api/sessions/${encodeURIComponent(sessionId)}/fork`, {
method: "POST",
headers: { ...JSON_HEADERS, ...this.authHeaders() },
body: JSON.stringify({ message_count: messageCount ?? null }),
});
return (await res.json()) as SessionDetail;
}
async renameSession(sessionId: string, title: string): Promise<SessionRenameResponse> {
const res = await this.fetchWithRetry(`${this.baseUrl}/api/sessions/${encodeURIComponent(sessionId)}`, {
method: "PATCH",
headers: { ...JSON_HEADERS, ...this.authHeaders() },
body: JSON.stringify({ title }),
});
return (await res.json()) as SessionRenameResponse;
}
async deleteSession(sessionId: string): Promise<SessionDeleteResponse> {
const res = await this.fetchWithRetry(`${this.baseUrl}/api/sessions/${encodeURIComponent(sessionId)}`, {
method: "DELETE",
headers: { ...JSON_HEADERS, ...this.authHeaders() },
});
return (await res.json()) as SessionDeleteResponse;
}
async listMemories(): Promise<MemoryItem[]> {
const res = await this.fetchWithRetry(`${this.baseUrl}/api/memories`);
const data = (await res.json()) as MemoryListResponse;
return data.memories;
}
async remember(text: string, kind: MemoryKind, shared = false): Promise<RememberResponse> {
const res = await this.fetchWithRetry(`${this.baseUrl}/api/memories`, {
method: "POST",
headers: { ...JSON_HEADERS, ...this.authHeaders() },
body: JSON.stringify({ text, kind, shared }),
});
return (await res.json()) as RememberResponse;
}
async setMemoryShared(id: string, shared: boolean): Promise<MemoryFlagsResponse> {
const res = await this.fetchWithRetry(`${this.baseUrl}/api/memories/${encodeURIComponent(id)}`, {
method: "PATCH",
headers: { ...JSON_HEADERS, ...this.authHeaders() },
body: JSON.stringify({ shared }),
});
return (await res.json()) as MemoryFlagsResponse;
}
async forgetMemory(id: string): Promise<MemoryRemoveResponse> {
const res = await this.fetchWithRetry(`${this.baseUrl}/api/memories/${encodeURIComponent(id)}`, {
method: "DELETE",
headers: { ...this.authHeaders() },
});
return (await res.json()) as MemoryRemoveResponse;
}
async *chatStream(
question: string,
history: Message[],
topK?: number,
signal?: AbortSignal,
options?: GenerationOptions,
chunkType?: SearchChunkType,
conversation?: ConversationState,
): AsyncGenerator<SSEEvent, void> {
// Omitted top_k uses the server's configured default; an explicit 0 disables retrieval.
const body: Record<string, unknown> = { question, history };
if (topK !== undefined) body.top_k = topK;
if (options && Object.keys(options).length > 0) body.options = options;
// "all" is the UI-side label for no filter; the field is omitted on the wire.
if (chunkType && chunkType !== SEARCH_CHUNK_TYPE.ALL) body.chunk_type = chunkType;
if (conversation?.summary) body.summary = conversation.summary;
if (conversation?.sessionId) body.session_id = conversation.sessionId;
const res = await this.fetchWithRetry(
`${this.baseUrl}/api/chat/stream`,
{
method: "POST",
headers: { ...JSON_HEADERS, ...this.authHeaders() },
body: JSON.stringify(body),
},
{ stream: true, signal },
);
yield* this.parseSSE(res);
}
async *addFiles(
paths: string[],
force = false,
signal?: AbortSignal,
ocrTimeout?: number | null,
): AsyncGenerator<SSEEvent, void> {
const body: Record<string, unknown> = { paths, force };
if (ocrTimeout !== undefined && ocrTimeout !== null) body.ocr_timeout = ocrTimeout;
const res = await this.fetchWithRetry(
`${this.baseUrl}/api/add`,
{
method: "POST",
headers: { ...JSON_HEADERS, ...this.authHeaders() },
body: JSON.stringify(body),
},
{ stream: true, signal },
);
yield* this.parseSSE(res);
}
/**
* Upload file CONTENT to /api/add/upload and stream ingest progress. Used
* when the server is remote (external mode): the plugin can't hand it a
* server-readable path, so it sends the bytes straight from the vault.
* FormData sets its own multipart Content-Type, so no JSON header here.
*/
async *uploadFiles(
files: { name: string; data: ArrayBuffer }[],
signal?: AbortSignal,
): AsyncGenerator<SSEEvent, void> {
const form = new FormData();
for (const file of files) form.append("data", new Blob([file.data]), file.name);
const res = await this.fetchWithRetry(
`${this.baseUrl}/api/add/upload`,
{
method: "POST",
headers: { ...this.authHeaders() },
body: form,
},
{ stream: true, signal },
);
yield* this.parseSSE(res);
}
/** Streams a sync. Always prunes the sources a .lilbeeignore excludes. */
async *syncStream(signal?: AbortSignal, options?: SyncOptions): AsyncGenerator<SSEEvent, void> {
const body: Record<string, unknown> = { prune_ignored: true };
if (options?.forceRebuild) body.force_rebuild = true;
if (options?.retrySkipped) body.retry_skipped = true;
const res = await this.fetchWithRetry(
`${this.baseUrl}/api/sync`,
{
method: "POST",
headers: { ...JSON_HEADERS, ...this.authHeaders() },
body: JSON.stringify(body),
},
{ stream: true, signal },
);
yield* this.parseSSE(res);
}
async listModels(): Promise<ModelsResponse> {
const res = await this.fetchWithRetry(`${this.baseUrl}/api/models`);
return (await res.json()) as ModelsResponse;
}
async *pullModel(model: string, source = "native", signal?: AbortSignal): AsyncGenerator<SSEEvent, void> {
const res = await this.fetchWithRetry(
`${this.baseUrl}/api/models/pull`,
{
method: "POST",
headers: { ...JSON_HEADERS, ...this.authHeaders() },
body: JSON.stringify({ model, source }),
signal,
},
{ stream: true },
);
yield* this.parseSSE(res);
}
async setChatModel(model: string): Promise<Result<SetModelResponse, Error>> {
return this.fetchResult<SetModelResponse>(`${this.baseUrl}/api/models/chat`, {
method: "PUT",
headers: { ...JSON_HEADERS, ...this.authHeaders() },
body: JSON.stringify({ model }),
});
}
async catalog(params?: {
task?: ModelTask;
search?: string;
size?: "small" | "medium" | "large";
sort?: "featured" | "downloads" | "name" | "size_asc" | "size_desc";
featured?: boolean;
installed?: boolean;
limit?: number;
offset?: number;
signal?: AbortSignal;
}): Promise<Result<CatalogResponse, Error>> {
const qs = new URLSearchParams();
if (params?.task) qs.set("task", params.task);
if (params?.search) qs.set("search", params.search);
if (params?.size) qs.set("size", params.size);
if (params?.sort) qs.set("sort", params.sort);
if (params?.featured !== undefined) qs.set("featured", String(params.featured));
if (params?.installed !== undefined) qs.set("installed", String(params.installed));
if (params?.limit !== undefined) qs.set("limit", String(params.limit));
if (params?.offset !== undefined) qs.set("offset", String(params.offset));
const suffix = qs.toString() ? `?${qs}` : "";
return this.fetchResult<CatalogResponse>(`${this.baseUrl}/api/models/catalog${suffix}`, undefined, {
signal: params?.signal,
});
}
async installedModels(params?: { task?: ModelTask }): Promise<InstalledResponse> {
const qs = new URLSearchParams();
if (params?.task) qs.set("task", params.task);
const suffix = qs.toString() ? `?${qs}` : "";
const res = await this.fetchWithRetry(`${this.baseUrl}/api/models/installed${suffix}`);
return (await res.json()) as InstalledResponse;
}
async showModel(model: string): Promise<ModelShowResponse> {
const res = await this.fetchWithRetry(`${this.baseUrl}/api/models/show`, {
method: "POST",
headers: { ...JSON_HEADERS, ...this.authHeaders() },
body: JSON.stringify({ model }),
});
return (await res.json()) as ModelShowResponse;
}
async deleteModel(
model: string,
source = "native",
): Promise<Result<{ deleted: boolean; model: string; freed_gb: number }, Error>> {
return this.fetchResult(`${this.baseUrl}/api/models/${encodeURIComponent(model)}?source=${source}`, {
method: "DELETE",
headers: this.authHeaders(),
});
}
async listDocuments(search?: string, limit?: number, offset?: number): Promise<DocumentsResponse> {
const qs = new URLSearchParams();
if (search) qs.set("search", search);
if (limit !== undefined) qs.set("limit", String(limit));
if (offset !== undefined) qs.set("offset", String(offset));
const suffix = qs.toString() ? `?${qs}` : "";
const res = await this.fetchWithRetry(`${this.baseUrl}/api/documents${suffix}`, {
headers: this.authHeaders(),
});
return (await res.json()) as DocumentsResponse;
}
async removeDocuments(names: string[]): Promise<{ removed: string[]; not_found: string[] }> {
const res = await this.fetchWithRetry(`${this.baseUrl}/api/documents/remove`, {
method: "POST",
headers: { ...JSON_HEADERS, ...this.authHeaders() },
body: JSON.stringify({ names }),
});
return (await res.json()) as { removed: string[]; not_found: string[] };
}
/** Download the per-page text dataset as raw bytes (parquet or jsonl). */
async exportDataset(format: DatasetFormat, source?: string): Promise<ArrayBuffer> {
const qs = new URLSearchParams({ format });
if (source) qs.set("source", source);
const res = await this.fetchWithRetry(`${this.baseUrl}/api/export?${qs}`, {
headers: this.authHeaders(),
});
return res.arrayBuffer();
}
/** Upload a per-page text dataset; the server re-embeds it and streams SSE progress. */
async *importDataset(data: ArrayBuffer | Uint8Array, format: DatasetFormat): AsyncGenerator<SSEEvent, void> {
const qs = new URLSearchParams({ format });
const res = await this.fetchWithRetry(
`${this.baseUrl}/api/import?${qs}`,
{
method: "POST",
headers: { ...OCTET_STREAM_HEADERS, ...this.authHeaders() },
// Raw bytes — an ArrayBufferView is a valid fetch body at this serialization boundary.
body: data as BodyInit,
},
{ stream: true },
);
yield* this.parseSSE(res);
}
async *crawl(
url: string,
depth?: number | null,
maxPages?: number | null,
signal?: AbortSignal,
renderMode?: CrawlRenderMode,
includeSubdomains?: boolean,
): AsyncGenerator<SSEEvent, void> {
const body: Record<string, unknown> = { url };
if (depth !== undefined) body.depth = depth;
// max_pages of 0 means "unlimited" on the server, so pass it through.
if (maxPages !== undefined) body.max_pages = maxPages;
if (renderMode !== undefined) body.render_mode = renderMode;
if (includeSubdomains !== undefined) body.include_subdomains = includeSubdomains;
const res = await this.fetchWithRetry(
`${this.baseUrl}/api/crawl`,
{
method: "POST",
headers: { ...JSON_HEADERS, ...this.authHeaders() },
body: JSON.stringify(body),
signal,
},
{ stream: true },
);
yield* this.parseSSE(res);
}
async *setupCrawler(signal?: AbortSignal): AsyncGenerator<SSEEvent, void> {
const res = await this.fetchWithRetry(
`${this.baseUrl}/setup/crawler`,
{ method: "POST", signal },
{ stream: true },
);
yield* this.parseSSE(res);
}
async config(): Promise<ConfigResponse> {
const res = await this.fetchWithRetry(`${this.baseUrl}/api/config`);
return (await res.json()) as ConfigResponse;
}
/** The values the server accepts per setting. Absent before the server grew the route. */
async configSchema(): Promise<ConfigSchemaResponse> {
const res = await this.fetchWithRetry(`${this.baseUrl}/api/config/schema`);
return (await res.json()) as ConfigSchemaResponse;
}
async configDefaults(): Promise<Record<string, unknown>> {
const res = await this.fetchWithRetry(`${this.baseUrl}/api/config/defaults`);
return (await res.json()) as Record<string, unknown>;
}
async updateConfig(updates: Record<string, unknown>): Promise<ConfigUpdateResponse> {
const res = await this.fetchWithRetry(`${this.baseUrl}/api/config`, {
method: "PATCH",
headers: { ...JSON_HEADERS, ...this.authHeaders() },
body: JSON.stringify(updates),
});
return (await res.json()) as ConfigUpdateResponse;
}
async setEmbeddingModel(model: string): Promise<Result<SetModelResponse, Error>> {
return this.fetchResult<SetModelResponse>(`${this.baseUrl}/api/models/embedding`, {
method: "PUT",
headers: { ...JSON_HEADERS, ...this.authHeaders() },
body: JSON.stringify({ model }),
});
}
async setRerankerModel(model: string): Promise<Result<SetModelResponse, Error>> {
return this.fetchResult<SetModelResponse>(`${this.baseUrl}/api/models/reranker`, {
method: "PUT",
headers: { ...JSON_HEADERS, ...this.authHeaders() },
body: JSON.stringify({ model }),
});
}
async setVisionModel(model: string): Promise<Result<SetModelResponse, Error>> {
return this.fetchResult<SetModelResponse>(`${this.baseUrl}/api/models/vision`, {
method: "PUT",
headers: { ...JSON_HEADERS, ...this.authHeaders() },
body: JSON.stringify({ model }),
});
}
/** Chat-model cold-load progress, streamed as SSE until the engine is ready
* or fails. Each `warm` event carries a `WarmProgress` snapshot. */
async *warmStream(signal?: AbortSignal): AsyncGenerator<SSEEvent, void> {
const res = await this.fetchWithRetry(
`${this.baseUrl}/api/warm/stream`,
{ headers: this.authHeaders() },
{ stream: true, signal },
);
yield* this.parseSSE(res);
}
/** Live per-GPU utilization + free memory, streamed as SSE until aborted. */
async *gpuStatsStream(signal?: AbortSignal): AsyncGenerator<SSEEvent, void> {
const res = await this.fetchWithRetry(
`${this.baseUrl}/api/gpus/stream`,
{ headers: this.authHeaders() },
{ stream: true, signal },
);
yield* this.parseSSE(res);
}
/** The current effective placement (auto plan or active manual spec). */
async placement(opts?: { signal?: AbortSignal }): Promise<Result<PlacementResponse, Error>> {
return this.fetchResult<PlacementResponse>(
`${this.baseUrl}/api/placement`,
{ headers: this.authHeaders() },
opts,
);
}
/** Dry-run a candidate spec (or auto when null); reports fit without persisting. */
async placementPreview(spec: PlacementSpec | null): Promise<Result<PlacementResponse, Error>> {
return this.fetchResult<PlacementResponse>(`${this.baseUrl}/api/placement/preview`, {
method: "POST",
headers: { ...JSON_HEADERS, ...this.authHeaders() },
body: JSON.stringify({ spec }),
});
}
/** Apply a manual spec: persists it and rebuilds the fleet. Returns 409 when
* the server has not enabled HTTP placement (older or shared deployments). */
async applyPlacement(spec: PlacementSpec): Promise<Result<PlacementResponse, Error>> {
return this.fetchResult<PlacementResponse>(`${this.baseUrl}/api/placement`, {
method: "PUT",
headers: { ...JSON_HEADERS, ...this.authHeaders() },
body: JSON.stringify({ spec }),
});
}
/** Clear the manual spec, returning to auto placement (rebuilds the fleet). */
async clearPlacement(): Promise<Result<PlacementResponse, Error>> {
return this.fetchResult<PlacementResponse>(`${this.baseUrl}/api/placement`, {
method: "DELETE",
headers: this.authHeaders(),
});
}
/** Which agent CLIs the server can see on the machine it runs on. */
async getAgentConfigIndex(): Promise<Result<AgentConfigIndexResponse, Error>> {
return this.fetchResult<AgentConfigIndexResponse>(`${this.baseUrl}/api/agent-config`, {
headers: this.authHeaders(),
});
}
/** One client's config document, built against this server's live URL and token. */
async getAgentConfig(client: AgentClient): Promise<Result<AgentConfigResponse, Error>> {
return this.fetchResult<AgentConfigResponse>(`${this.baseUrl}/api/agent-config/${encodeURIComponent(client)}`, {
headers: this.authHeaders(),
});
}
/** Wiki counters. `/api/status` carries none, so they come from here. */
async wikiStatus(): Promise<Result<WikiStatusResponse, Error>> {
return this.fetchResult<WikiStatusResponse>(`${this.baseUrl}/api/wiki/status`, {
headers: this.authHeaders(),
});
}
async wikiList(): Promise<WikiPage[]> {
const res = await this.fetchWithRetry(`${this.baseUrl}/api/wiki`, { headers: this.authHeaders() });
return (await res.json()) as WikiPage[];
}
/**
* The subjects the corpus names that have no page yet.
*
* Returns `[]` on 404 rather than throwing: the route arrived after the
* plugin shipped, so an older server simply has no stubs to offer and the
* browse list should render its written pages as before instead of failing.
*/
async wikiStubs(): Promise<WikiStub[]> {
try {
const res = await this.fetchWithRetry(`${this.baseUrl}/api/wiki/stubs`, {
headers: this.authHeaders(),
});
return (await res.json()) as WikiStub[];
} catch (e) {
if (e instanceof Error && isHttpStatus(e, HTTP_STATUS.NOT_FOUND)) return [];
throw e;
}
}
/**
* Write one indexed page. Costs a single LLM call and is GPU-heavy.
*
* Not a stream, but nothing like a normal request either: the server holds
* the connection for the whole generation, which is minutes on a large
* model. The default 15s timeout aborted every call before the page could
* land, so this one names its own.
*/
/**
* Write one indexed page, streaming progress.
*
* The server holds this open for a whole model call, so it streams like the
* wiki build rather than answering with a body: wiki_phase, heartbeats
* while the GPU works, wiki_page, then done. The done event carries the
* slug the read route accepts — the bare slug the caller sends is 404 there.
*/
async *wikiGenerate(slug: string, signal?: AbortSignal): AsyncGenerator<SSEEvent, void> {
const res = await this.fetchWithRetry(
`${this.baseUrl}/api/wiki/generate/${encodeURIComponent(slug)}`,
{ method: "POST", headers: this.authHeaders() },
{ stream: true, signal },
);
yield* this.parseSSE(res);
}
async wikiPage(slug: string): Promise<WikiPageDetail> {
const res = await this.fetchWithRetry(`${this.baseUrl}/api/wiki/${encodeURIComponent(slug)}`, {
headers: this.authHeaders(),
});
return (await res.json()) as WikiPageDetail;
}
async wikiCitations(slug: string): Promise<WikiCitationChain> {
const res = await this.fetchWithRetry(`${this.baseUrl}/api/wiki/${encodeURIComponent(slug)}/citations`, {
headers: this.authHeaders(),
});
return (await res.json()) as WikiCitationChain;
}
async wikiLint(): Promise<LintResult> {
const res = await this.fetchWithRetry(`${this.baseUrl}/api/wiki/lint`, {
method: "POST",
headers: this.authHeaders(),
});
return (await res.json()) as LintResult;
}
/**
* Refresh the wiki across every ingested source, streaming progress.
*
* A build issues per-source LLM calls and embeddings and can run for a long
* time, so the server streams `wiki_phase` / `wiki_page` events and closes
* with a `done` event carrying a {@link WikiBuildResult}. Aborting the
* signal stops the run at the next source boundary and releases the
* server's build mutex.
*/
async *wikiUpdate(signal?: AbortSignal): AsyncGenerator<SSEEvent, void> {
const res = await this.fetchWithRetry(
`${this.baseUrl}/api/wiki/update`,
{
method: "PATCH",
headers: this.authHeaders(),
},
{ stream: true, signal },
);
yield* this.parseSSE(res);
}
/**
* Fetch the rendered text of a source file (markdown / html / plaintext)
* as JSON. Used by the preview modal when the file is not in the vault.
*/
async getSource(source: string): Promise<SourceContent> {
const params = new URLSearchParams({ source });
const res = await this.fetchWithRetry(`${this.baseUrl}/api/source?${params}`, {
headers: this.authHeaders(),
});
return (await res.json()) as SourceContent;
}
/**
* Fetch the raw bytes of a source file with its original Content-Type.
* Returns the raw Response so callers can read `arrayBuffer()` or stream
* it into an `<object>` tag (e.g. PDFs in the preview modal).
*/
async getSourceRaw(source: string): Promise<Response> {
const params = new URLSearchParams({ source, raw: "1" });
return this.fetchWithRetry(`${this.baseUrl}/api/source?${params}`, {
headers: this.authHeaders(),
});
}
async wikiDrafts(): Promise<DraftInfoResponse[]> {
const res = await this.fetchWithRetry(`${this.baseUrl}/api/wiki/drafts`, { headers: this.authHeaders() });
return (await res.json()) as DraftInfoResponse[];
}
async wikiDraftDiff(slug: string): Promise<string> {
const res = await this.fetchWithRetry(`${this.baseUrl}/api/wiki/drafts/diff/${encodeURIComponent(slug)}`, {
headers: this.authHeaders(),
});
return res.text();
}
async wikiDraftAccept(slug: string): Promise<DraftAcceptResponse> {
const res = await this.fetchWithRetry(`${this.baseUrl}/api/wiki/drafts/accept/${encodeURIComponent(slug)}`, {
method: "POST",
headers: this.authHeaders(),
});
return (await res.json()) as DraftAcceptResponse;
}
async wikiDraftReject(slug: string): Promise<DraftRejectResponse> {
const res = await this.fetchWithRetry(`${this.baseUrl}/api/wiki/drafts/${encodeURIComponent(slug)}`, {
method: "DELETE",
headers: this.authHeaders(),
});
return (await res.json()) as DraftRejectResponse;
}
/**
* Prune stale and orphaned wiki pages. The server walks the tree and the
* store off its event loop and answers once with the whole report, so this
* is a single request rather than a progress stream.
*/
async wikiPrune(): Promise<WikiPruneResult> {
const res = await this.fetchWithRetry(`${this.baseUrl}/api/wiki/prune`, {
method: "POST",
headers: this.authHeaders(),
});
return (await res.json()) as WikiPruneResult;
}
private async *parseSSE(response: Response): AsyncGenerator<SSEEvent, void> {
if (!response.body) {
throw new Error("Response body is null");
}
const reader = response.body.getReader();
const decoder = new TextDecoder();
const frames = new SseFrames();
let buffer = "";
try {
for (;;) {
const { done, value } = await reader.read();
if (done) break;
buffer += decoder.decode(value, { stream: true });
const lines = buffer.split("\n");
// split() always returns at least one element, so pop() is never undefined
buffer = lines.pop()!;
for (const line of lines) {
const event = frames.accept(line);
if (event) yield event;
}
}
// A stream that closes without its trailing blank line still holds a
// frame, usually the terminating `done`.
frames.accept(buffer);
const tail = frames.take();
if (tail) yield tail;
} finally {
// A consumer that stops early would otherwise leave the body unread
// and the socket open until the server finished sending.
await reader.cancel().catch(() => undefined);
}
}
}
|