Files
Bohdan Triapitsyn 34e8a24b20 feat(knowledge): rebuild the project notes panel as Project knowledge (#2973)
The panel stored notes, todos and plans inside one shared JSON file that
six unrelated domains also wrote to, synchronised itself through window
CustomEvents, and could only read plans. It is now Project knowledge:
server-owned storage with explicit routes, a store with rollback, a
section sidebar, plans that open and edit in place, and search across
all of it.

Notes and plans the user pins travel with every message sent in that
project. Pinning is project state, not an attachment to one message, so
it holds until unpinned and the work status panel names what is riding
along and can detach it.

Agent memory is added alongside, in two scopes: what is true about the
user, and what is true about this codebase. The split is not cosmetic —
a wrong project fact costs one project and is noticed, while a wrong
global fact quietly shapes every session everywhere and the user has no
code to check it against. It stays separate from notes so an agent
mistake cannot land in what the user wrote. Sessions receive an index of
titles only; bodies are read on demand, because an index carrying full
text grows until it crowds out the conversation.

Deciding what a session must be told, and whether it has been told, now
lives on the server. The client owned it before, which meant sessions
started without a UI — scheduled tasks, sessions the agent dispatches —
received nothing at all, and a tab's record of what it had sent outlived
the conversation: after compaction the agent no longer held the block
while the tab went on believing it did. What was delivered is recorded
in the session's own metadata, and compaction restores it through the
runtime that already restores pinned messages, in the same turn.

Agent memory ships dark behind OPENCHAMBER_MEMORY_ENABLE: unset, there
is no tool, no routes, no session index, no settings row and no panel
tab. Absent rather than switched off, so nothing invites turning on a
feature that has not been announced. Pinned notes and plans are
unaffected and ship as normal.
2026-08-18 02:59:04 +03:00

566 lines
26 KiB
JavaScript

import path from 'node:path';
import { createOpencodeClient } from '@opencode-ai/sdk/v2';
import { OpenChamberControlError, asControlError } from './error.js';
import { OPENCHAMBER_ALL_ACTIONS } from './actions.js';
import { writeScreenshot } from './screenshots.js';
const DEFAULT_WAIT_TIMEOUT_SECONDS = 600;
const MAX_WAIT_TIMEOUT_SECONDS = 86_400;
const WAIT_POLL_INTERVAL_MS = 500;
// One service, both capabilities: which tool asked is the caller's concern.
const CONTROL_ACTIONS = new Set(OPENCHAMBER_ALL_ACTIONS);
const SCHEDULE_TASK_ID_ACTIONS = new Set([
'schedule.run',
'schedule.delete',
'schedule.toggle',
]);
const asNonEmptyString = (value) => {
if (typeof value !== 'string') return null;
const trimmed = value.trim();
return trimmed.length > 0 ? trimmed : null;
};
const positiveInteger = (value, fallback, field) => {
if (value === undefined || value === null) return fallback;
const number = Number(value);
if (!Number.isSafeInteger(number) || number < 1) {
throw new OpenChamberControlError(`${field} must be a positive integer`, 400);
}
return number;
};
const normalizeWaitTimeoutMs = (value) => {
const seconds = value === undefined || value === null ? DEFAULT_WAIT_TIMEOUT_SECONDS : Number(value);
if (!Number.isSafeInteger(seconds) || seconds < 1 || seconds > MAX_WAIT_TIMEOUT_SECONDS) {
throw new OpenChamberControlError(`timeout must be from 1 to ${MAX_WAIT_TIMEOUT_SECONDS} seconds`, 400);
}
return seconds * 1000;
};
const extractTextMessages = (messages, role = 'all') => {
const result = [];
for (const record of Array.isArray(messages) ? messages : []) {
const info = record?.info;
const messageRole = info?.role;
if ((messageRole !== 'user' && messageRole !== 'assistant') || (role !== 'all' && role !== messageRole)) continue;
const text = Array.isArray(record?.parts)
? record.parts.filter((part) => part?.type === 'text' && typeof part.text === 'string').map((part) => part.text).join('').trim()
: '';
if (!text) continue;
const providerID = asNonEmptyString(info.providerID);
const modelID = asNonEmptyString(info.modelID);
result.push({
id: asNonEmptyString(info.id) || '',
role: messageRole,
createdAt: Number.isFinite(info?.time?.created) ? info.time.created : null,
completedAt: Number.isFinite(info?.time?.completed) ? info.time.completed : null,
model: providerID && modelID ? `${providerID}/${modelID}` : null,
text,
});
}
return result.sort((left, right) => (left.createdAt || 0) - (right.createdAt || 0));
};
const parseModel = (value) => {
const model = asNonEmptyString(value);
if (!model) throw new OpenChamberControlError('model is required', 400);
const slashIndex = model.indexOf('/');
if (slashIndex <= 0 || slashIndex === model.length - 1) {
throw new OpenChamberControlError('model must be in provider/model format', 400);
}
return { providerID: model.slice(0, slashIndex), modelID: model.slice(slashIndex + 1) };
};
const parseWeekdays = (value) => {
const raw = asNonEmptyString(value);
if (!raw) throw new OpenChamberControlError('weekly is required', 400);
const weekdays = raw.split(',').map((entry) => Number.parseInt(entry.trim(), 10));
if (weekdays.some((entry) => !Number.isInteger(entry) || entry < 0 || entry > 6)) {
throw new OpenChamberControlError('weekly must contain weekdays from 0 to 6', 400);
}
return Array.from(new Set(weekdays)).sort((a, b) => a - b);
};
const buildSchedule = (input) => {
const daily = asNonEmptyString(input.daily);
const weekly = asNonEmptyString(input.weekly);
const once = asNonEmptyString(input.once);
const cron = asNonEmptyString(input.cron);
const selectors = [daily, weekly, once, cron].filter(Boolean);
if (selectors.length !== 1) {
throw new OpenChamberControlError('Provide exactly one of daily, weekly, once, or cron', 400);
}
const timezone = asNonEmptyString(input.timezone);
if (daily) return { kind: 'daily', times: [daily], ...(timezone ? { timezone } : {}) };
if (weekly) {
const time = asNonEmptyString(input.time);
if (!time) throw new OpenChamberControlError('time is required with weekly', 400);
return { kind: 'weekly', weekdays: parseWeekdays(weekly), times: [time], ...(timezone ? { timezone } : {}) };
}
if (once) {
const time = asNonEmptyString(input.time);
if (!time) throw new OpenChamberControlError('time is required with once', 400);
return { kind: 'once', date: once, time, ...(timezone ? { timezone } : {}) };
}
return { kind: 'cron', cron, ...(timezone ? { timezone } : {}) };
};
const buildScheduledTask = (input) => {
const name = asNonEmptyString(input.name);
const prompt = asNonEmptyString(input.prompt);
if (!name) throw new OpenChamberControlError('name is required', 400);
if (!prompt) throw new OpenChamberControlError('prompt is required', 400);
const model = parseModel(input.model);
const goalTokenBudget = input.goalTokenBudget;
if (goalTokenBudget !== undefined && input.goal !== true) {
throw new OpenChamberControlError('goalTokenBudget requires goal', 400);
}
if (goalTokenBudget !== undefined && (!Number.isSafeInteger(goalTokenBudget) || goalTokenBudget < 1000 || goalTokenBudget > 100_000_000)) {
throw new OpenChamberControlError('goalTokenBudget must be from 1000 to 100000000', 400);
}
return {
name,
enabled: input.disabled !== true,
schedule: buildSchedule(input),
execution: {
prompt,
...model,
...(asNonEmptyString(input.agent) ? { agent: input.agent.trim() } : {}),
...(asNonEmptyString(input.variant) ? { variant: input.variant.trim() } : {}),
...(input.goal === true ? { goalEnabled: true } : {}),
...(goalTokenBudget !== undefined ? { goalTokenBudget } : {}),
},
};
};
export const createOpenChamberControlService = (dependencies) => {
const {
readSettingsFromDiskMigrated,
sanitizeProjects,
buildOpenCodeUrl,
getOpenCodeAuthHeaders,
waitForOpenCodeReady,
sessionService,
scheduledTaskService,
browserControl = null,
agentMemoryActions = null,
createClient = createOpencodeClient,
sleep = (duration) => new Promise((resolve) => setTimeout(resolve, duration)),
now = Date.now,
} = dependencies;
const wait = (duration, signal) => {
if (!signal) return sleep(duration);
if (signal.aborted) return Promise.reject(new OpenChamberControlError('OpenChamber action was cancelled', 499));
return new Promise((resolve, reject) => {
const onAbort = () => {
signal.removeEventListener('abort', onAbort);
reject(new OpenChamberControlError('OpenChamber action was cancelled', 499));
};
signal.addEventListener('abort', onAbort, { once: true });
sleep(duration).then(() => {
signal.removeEventListener('abort', onAbort);
resolve();
}, (error) => {
signal.removeEventListener('abort', onAbort);
reject(error);
});
});
};
const getClient = async () => {
if (typeof waitForOpenCodeReady === 'function') await waitForOpenCodeReady(10_000, 250);
return createClient({
baseUrl: buildOpenCodeUrl('/', '').replace(/\/$/, ''),
headers: getOpenCodeAuthHeaders(),
});
};
const projects = async () => {
const settings = await readSettingsFromDiskMigrated();
return sanitizeProjects(settings?.projects || []).map((project) => ({
id: project.id,
path: path.resolve(project.path),
label: asNonEmptyString(project.label) || path.basename(project.path) || project.path,
}));
};
const models = async () => {
const settings = await readSettingsFromDiskMigrated();
return {
defaultModel: asNonEmptyString(settings?.defaultModel),
defaultVariant: asNonEmptyString(settings?.defaultVariant),
defaultAgent: asNonEmptyString(settings?.defaultAgent),
favoriteModels: Array.isArray(settings?.favoriteModels) ? settings.favoriteModels : [],
recentModels: Array.isArray(settings?.recentModels) ? settings.recentModels : [],
};
};
const sessionStatus = async (client, sessionID, directory) => {
const response = await client.session.status({ directory });
const statuses = response?.data;
if (!statuses || typeof statuses !== 'object' || Array.isArray(statuses)) {
throw new OpenChamberControlError('Invalid session status response', 500);
}
return statuses[sessionID] || { type: 'idle' };
};
const sessionMessages = async (client, sessionID, directory, role, limit) => {
const fetchLimit = limit === undefined ? undefined : Math.max(100, limit * 4);
let response = await client.session.messages({ sessionID, directory, ...(fetchLimit ? { limit: fetchLimit } : {}) });
let raw = Array.isArray(response?.data) ? response.data : [];
let messages = extractTextMessages(raw, role);
if (limit !== undefined && messages.length < limit && raw.length >= fetchLimit) {
response = await client.session.messages({ sessionID, directory });
raw = Array.isArray(response?.data) ? response.data : [];
messages = extractTextMessages(raw, role);
}
return limit === undefined ? messages : messages.slice(-limit);
};
const waitForIdle = async ({ client, sessionID, directory, timeoutMs, requireActivity, baselineMessageID, startedAt, signal }) => {
const deadline = now() + timeoutMs;
let observedActivity = false;
while (true) {
if (signal?.aborted) throw new OpenChamberControlError('OpenChamber action was cancelled', 499);
const status = await sessionStatus(client, sessionID, directory);
if (status.type === 'busy' || status.type === 'retry') {
observedActivity = true;
} else if (!requireActivity || observedActivity) {
return status;
} else {
const messages = await sessionMessages(client, sessionID, directory, 'assistant', 1);
const message = messages[0];
if (message?.completedAt && (baselineMessageID ? message.id !== baselineMessageID : message.completedAt >= startedAt)) {
return status;
}
}
const remaining = deadline - now();
if (remaining <= 0) {
throw new OpenChamberControlError(`Session did not become idle within ${Math.ceil(timeoutMs / 1000)} seconds`, 500);
}
await wait(Math.min(WAIT_POLL_INTERVAL_MS, remaining), signal);
}
};
// session.send/fork default the directory to the caller's context directory,
// which is wrong for sessions living in other worktrees: prompt_async then
// targets an instance that does not hold the session and the run dies with
// UnknownError. Resolve the target session's directory from the global
// session list when the caller did not scope explicitly.
const resolveSessionDirectory = async (sessionID) => {
try {
const client = await getClient();
const response = await client.experimental?.session?.list?.({});
const sessions = Array.isArray(response?.data) ? response.data : [];
const session = sessions.find((item) => item?.id === sessionID);
return asNonEmptyString(session?.directory) || null;
} catch {
return null;
}
};
const executeSessionAction = async (action, input, contextDirectory, signal) => {
if (input.timeout !== undefined && input.wait !== true) throw new OpenChamberControlError('timeout requires wait', 400);
if (input.lastAssistant === true && input.wait !== true) throw new OpenChamberControlError('lastAssistant requires wait', 400);
const sessionID = asNonEmptyString(input.sessionId);
let directory = asNonEmptyString(input.directory) || (!input.projectId ? asNonEmptyString(contextDirectory) : null);
if (sessionID && action !== 'session.create' && !asNonEmptyString(input.directory) && !input.projectId) {
const resolvedSessionDirectory = await resolveSessionDirectory(sessionID);
if (resolvedSessionDirectory) directory = resolvedSessionDirectory;
}
const payload = {
...(directory ? { directory } : {}),
...(asNonEmptyString(input.projectId) ? { projectId: input.projectId.trim() } : {}),
...(asNonEmptyString(input.title) ? { title: input.title.trim() } : {}),
...(asNonEmptyString(input.prompt) ? { prompt: input.prompt.trim() } : {}),
...(asNonEmptyString(input.model) ? { model: input.model.trim() } : {}),
...(asNonEmptyString(input.agent) ? { agent: input.agent.trim() } : {}),
...(asNonEmptyString(input.variant) ? { variant: input.variant.trim() } : {}),
...(input.goal === true ? { goal: true } : {}),
...(input.goalTokenBudget !== undefined ? { goalTokenBudget: input.goalTokenBudget } : {}),
...(asNonEmptyString(input.worktree) ? { worktree: {
name: input.worktree.trim(),
...(asNonEmptyString(input.branch) ? { branchName: input.branch.trim() } : {}),
...(asNonEmptyString(input.startRef) ? { startRef: input.startRef.trim() } : {}),
} } : {}),
...(typeof input.setUpstream === 'boolean' ? { setUpstream: input.setUpstream } : {}),
...(asNonEmptyString(input.messageId) ? { messageId: input.messageId.trim() } : {}),
};
const startedAt = now();
let result;
if (action === 'session.create') {
result = await sessionService.create(payload);
} else {
if (!sessionID) throw new OpenChamberControlError('sessionId is required', 400);
if (action === 'session.send') {
result = await sessionService.send(sessionID, payload);
} else {
result = await sessionService.fork(sessionID, payload);
}
}
if (input.wait !== true) {
const publicResult = { ...result };
delete publicResult.baselineAssistantMessageId;
return publicResult;
}
const client = await getClient();
const status = await waitForIdle({
client,
sessionID: result.sessionId,
directory: result.directory,
timeoutMs: normalizeWaitTimeoutMs(input.timeout),
requireActivity: result.promptDispatched === true,
baselineMessageID: result.baselineAssistantMessageId,
startedAt,
signal,
});
const publicResult = { ...result, sessionStatus: status };
delete publicResult.baselineAssistantMessageId;
if (input.lastAssistant === true) {
publicResult.lastAssistantMessage = (await sessionMessages(client, result.sessionId, result.directory, 'assistant', 1))[0] || null;
}
return publicResult;
};
/**
* Validates browser inputs here rather than in the renderer: an invalid call
* should come back as a usage error the agent can correct, without waking a
* client or waiting for a round trip.
*/
const browserAction = async (action, input, signal, contextDirectory) => {
const parameters = {};
const readViewport = (required) => {
const viewport = asNonEmptyString(input.viewport);
if (!viewport) {
if (required) throw new OpenChamberControlError('viewport is required for browser.resize', 400);
return;
}
if (!['mobile', 'tablet', 'desktop', 'fill'].includes(viewport)) {
throw new OpenChamberControlError('viewport must be mobile, tablet, desktop, or fill', 400);
}
parameters.viewport = viewport;
};
if (action === 'browser.resize') readViewport(true);
if (action === 'browser.capture') {
const label = asNonEmptyString(input.label);
if (label) parameters.label = label;
}
if (action === 'browser.open') {
readViewport(false);
const url = asNonEmptyString(input.url);
if (!url) throw new OpenChamberControlError('url is required for browser.open', 400);
let parsed;
try {
parsed = new URL(url);
} catch {
throw new OpenChamberControlError('url must be an absolute http(s) URL', 400);
}
if (parsed.protocol !== 'http:' && parsed.protocol !== 'https:') {
throw new OpenChamberControlError('url must use http or https', 400);
}
parameters.url = parsed.toString();
}
if (action === 'browser.click') {
const selector = asNonEmptyString(input.selector);
const text = asNonEmptyString(input.text);
if (!selector && !text) {
throw new OpenChamberControlError('browser.click requires selector or text', 400);
}
if (selector) parameters.selector = selector;
if (text) parameters.text = text;
}
if (action === 'browser.snapshot') {
const selector = asNonEmptyString(input.selector);
if (selector) parameters.selector = selector;
}
if (action === 'browser.inspect') {
const selector = asNonEmptyString(input.selector);
if (!selector) throw new OpenChamberControlError('selector is required for browser.inspect', 400);
parameters.selector = selector;
}
if (action === 'browser.type') {
const selector = asNonEmptyString(input.selector);
if (!selector) throw new OpenChamberControlError('selector is required for browser.type', 400);
if (typeof input.value !== 'string') {
throw new OpenChamberControlError('value is required for browser.type', 400);
}
parameters.selector = selector;
parameters.value = input.value;
parameters.submit = input.submit === true;
}
if (action === 'browser.scroll') {
const selector = asNonEmptyString(input.selector);
const direction = asNonEmptyString(input.direction);
if (!selector && !direction) {
throw new OpenChamberControlError('browser.scroll requires direction or selector', 400);
}
if (direction && !['up', 'down', 'top', 'bottom'].includes(direction)) {
throw new OpenChamberControlError('direction must be up, down, top, or bottom', 400);
}
if (selector) parameters.selector = selector;
if (direction) parameters.direction = direction;
}
// Opening a page waits for the navigation to settle, so its budget has to
// exceed the client's own wait; sharing one timeout with the quick actions
// made a slow page indistinguishable from an unreachable browser.
const timeoutMs = action === 'browser.open' ? 45_000 : 20_000;
const result = await browserControl.request(action, parameters, { signal, timeoutMs });
// The image is written here rather than in the renderer: the file belongs
// beside the code it documents, and the client that took it may be on a
// different machine than the repository.
if (action === 'browser.capture') {
const directory = asNonEmptyString(input.directory) || asNonEmptyString(contextDirectory);
if (!directory) {
throw new OpenChamberControlError('directory is required to save a screenshot', 400);
}
const capture = result && typeof result === 'object' ? result : {};
const saved = await writeScreenshot({
directory,
base64: capture.base64,
mime: capture.mime,
label: input.label,
});
// The base64 never goes back to the caller: it is large, and the path is
// what an answer, a commit, or a review can actually use.
return {
path: saved.path,
// Saving the file is only half of showing it. Chat collects the image
// paths written in a finished answer and renders them below it, so the
// agent is told the one thing it cannot infer: that writing the path is
// what puts the picture in front of the user.
hint: `Write ![](${saved.path}) in your reply to show this image to the user; it is rendered under your message.`,
url: capture.url ?? null,
title: capture.title ?? null,
viewport: capture.viewport ?? null,
width: capture.width ?? null,
height: capture.height ?? null,
};
}
return result;
};
const execute = async (action, input = {}, contextDirectory, options = {}) => {
try {
if (!CONTROL_ACTIONS.has(action)) {
throw new OpenChamberControlError(`Unsupported OpenChamber action: ${action || 'missing'}`, 400);
}
if (action.startsWith('memory.')) {
if (!agentMemoryActions) {
throw new OpenChamberControlError('Agent memory is not available on this server', 503);
}
return agentMemoryActions.execute(action, input, contextDirectory);
}
if (action.startsWith('browser.')) {
if (!browserControl) {
throw new OpenChamberControlError('The in-app browser is not available on this server', 503);
}
return browserAction(action, input, options.signal, contextDirectory);
}
if (action === 'projects.list') return { projects: await projects() };
if (action === 'models.list') return models();
if (action === 'schedule.status') return scheduledTaskService.status();
if (action.startsWith('schedule.')) {
const taskID = asNonEmptyString(input.taskId);
if (SCHEDULE_TASK_ID_ACTIONS.has(action) && !taskID) {
throw new OpenChamberControlError('taskId is required', 400);
}
const explicitProjectID = asNonEmptyString(input.projectId);
const explicitDirectory = asNonEmptyString(input.directory);
const contextDirectoryFallback = explicitProjectID
? undefined
: asNonEmptyString(contextDirectory) || undefined;
const projectID = await scheduledTaskService.resolveProjectID({
projectId: explicitProjectID || undefined,
directory: explicitDirectory || contextDirectoryFallback,
});
switch (action) {
case 'schedule.list':
return { scheduler: await scheduledTaskService.status(), tasks: await scheduledTaskService.list(projectID) };
case 'schedule.create': {
const result = await scheduledTaskService.upsert(projectID, buildScheduledTask(input));
return { task: result.task, created: result.created };
}
case 'schedule.run':
return scheduledTaskService.run(projectID, taskID);
case 'schedule.delete':
return { deleted: true, tasks: await scheduledTaskService.remove(projectID, taskID) };
case 'schedule.toggle': {
if (typeof input.disabled !== 'boolean') {
throw new OpenChamberControlError('disabled is required for schedule.toggle', 400);
}
const enabled = input.disabled === false;
return { task: await scheduledTaskService.setEnabled(projectID, taskID, enabled), enabled };
}
}
}
if (action === 'session.create' || action === 'session.send' || action === 'session.fork') {
return executeSessionAction(action, input, contextDirectory, options.signal);
}
if (action.startsWith('session.')) {
const directory = asNonEmptyString(input.directory) || asNonEmptyString(contextDirectory);
const sessionID = asNonEmptyString(input.sessionId);
const client = await getClient();
if (action === 'session.list') {
const limit = positiveInteger(input.limit, 10, 'limit');
const response = await client.session.list(directory ? { directory } : {});
let sessions = Array.isArray(response?.data) ? response.data : [];
if (input.all !== true) sessions = sessions.filter((session) => !session?.time?.archived);
sessions = sessions.slice(0, limit);
if (input.withStatus === true) {
const cache = new Map();
sessions = await Promise.all(sessions.map(async (session) => {
const sessionDirectory = asNonEmptyString(session?.directory);
if (!sessionDirectory) return { ...session, status: { type: 'unknown' } };
if (!cache.has(sessionDirectory)) {
const statusRequest = client.session.status({ directory: sessionDirectory }).catch(() => null);
cache.set(sessionDirectory, statusRequest);
}
const statusResponse = await cache.get(sessionDirectory);
return { ...session, status: statusResponse?.data?.[session.id] || (statusResponse ? { type: 'idle' } : { type: 'unknown' }) };
}));
}
return { sessions, limit, directory, archived: input.all === true ? 'included' : 'excluded' };
}
if (!sessionID) throw new OpenChamberControlError('sessionId is required', 400);
if (!directory) throw new OpenChamberControlError('directory is required', 400);
if (action === 'session.status') {
return { sessionId: sessionID, directory, sessionStatus: await sessionStatus(client, sessionID, directory) };
}
if (action === 'session.messages') {
if (input.timeout !== undefined && input.wait !== true) throw new OpenChamberControlError('timeout requires wait', 400);
const role = input.lastAssistant === true ? 'assistant' : (asNonEmptyString(input.role) || 'all');
if (!['all', 'user', 'assistant'].includes(role)) throw new OpenChamberControlError('role must be all, user, or assistant', 400);
const last = input.last === true || input.lastAssistant === true;
if (input.all === true && (last || input.limit !== undefined)) throw new OpenChamberControlError('all cannot be combined with last or limit', 400);
if (last && input.limit !== undefined) throw new OpenChamberControlError('last cannot be combined with limit', 400);
const currentStatus = input.wait === true
? await waitForIdle({ client, sessionID, directory, timeoutMs: normalizeWaitTimeoutMs(input.timeout), requireActivity: false, startedAt: now(), signal: options.signal })
: await sessionStatus(client, sessionID, directory);
const limit = input.all === true ? undefined : (last ? 1 : positiveInteger(input.limit, 10, 'limit'));
return { sessionId: sessionID, directory, role, sessionStatus: currentStatus, messages: await sessionMessages(client, sessionID, directory, role, limit) };
}
}
throw new OpenChamberControlError(`Unsupported OpenChamber action: ${action || 'missing'}`, 400);
} catch (error) {
throw asControlError(error, `Failed to execute ${action || 'OpenChamber action'}`);
}
};
return { execute };
};