rea/src/application/Setup.ts

903 lines
29 KiB
TypeScript

import {
access,
copyFile,
mkdir,
readFile,
rm,
writeFile,
} from "node:fs/promises";
import { constants as fsConstants } from "node:fs";
import { homedir } from "node:os";
import { dirname, resolve } from "node:path";
import { z } from "zod";
import writeFileAtomic from "write-file-atomic";
import { parse as parseToml, stringify as stringifyToml } from "smol-toml";
import { PRODUCT_IDENTITY } from "../identity.js";
import { supportsNodeVersion } from "../domain/runtimeVersion.js";
import { resolveClientConfigTransactionPath } from "./ClientConfigPath.js";
import {
runDoctor,
systemDoctorHost,
type DoctorHost,
type DoctorProviderInspection,
} from "./Doctor.js";
import {
installLinuxHopper,
readLinuxDistribution,
type LinuxDistribution,
} from "./LinuxHopper.js";
import { installMacHopper } from "./MacHopper.js";
import { configureDetectedClients } from "./SetupClients.js";
import { supportedClients, type SetupClient } from "./SupportedClients.js";
export type { SetupClient } from "./SupportedClients.js";
import {
canonicalSkillNeedsInstall,
installCanonicalSkill,
} from "./SetupSkill.js";
import { setupPlan } from "./SetupPlan.js";
import {
setupInstallFailure,
type SetupFailureCode,
type SetupHopperInstallResult,
} from "./SetupInstallFailure.js";
export type { SetupHopperInstallResult } from "./SetupInstallFailure.js";
/** Exact non-secret provider variables propagated into managed registrations. */
export type SetupProviderEnvironment = Readonly<Record<string, string>>;
export {
canonicalSkillNeedsInstall,
installCanonicalSkill,
} from "./SetupSkill.js";
const registrationCommand = (): readonly string[] =>
process.env.npm_command === "exec"
? ["npx", "-y", PRODUCT_IDENTITY.packageSpecifier, "mcp"]
: [resolve(process.argv[1] ?? PRODUCT_IDENTITY.cliBinary), "mcp"];
/** Result of one backup/write/readback transaction. */
export type ClientConfigurationResult =
| {
readonly status: "unchanged" | "configured" | "skipped";
readonly backupPath?: string;
}
| {
readonly status: "failed";
readonly reason: "path" | "backup" | "write" | "readback";
};
/** Read-only state used to block unsafe setup plans before any mutation. */
export type ClientConfigurationInspection =
| { readonly status: "already_current" }
| {
readonly status: "create" | "update";
readonly backupPath?: string;
}
| {
readonly status: "invalid";
readonly remediation: string;
};
/**
* Effects required by the idempotent setup workflow.
* Implementations report interrupted installers as values: setup must not wait
* indefinitely for stdin or a GUI response in an unattended agent invocation.
*/
export interface SetupHost {
readonly platform: NodeJS.Platform;
readonly nodeVersion: string;
macosVersion(): Promise<string | undefined>;
linuxDistribution(): Promise<LinuxDistribution | undefined>;
hopperPath(): Promise<string | undefined>;
installHopper(replaceExisting: boolean): Promise<SetupHopperInstallResult>;
providerEnvironment?(): Promise<SetupProviderEnvironment>;
detectedClients(): Promise<readonly SetupClient[]>;
configureClient(
client: SetupClient,
providerEnvironment: SetupProviderEnvironment,
command: readonly string[],
): Promise<ClientConfigurationResult>;
clientNeedsConfigure(
client: SetupClient,
providerEnvironment: SetupProviderEnvironment,
command: readonly string[],
): Promise<boolean>;
inspectClientConfiguration?(
client: SetupClient,
providerEnvironment: SetupProviderEnvironment,
command: readonly string[],
): Promise<ClientConfigurationInspection>;
skillNeedsInstall(): Promise<boolean>;
installSkill(): Promise<"installed" | "unchanged" | "failed">;
doctor(): Promise<Awaited<ReturnType<typeof runDoctor>>>;
}
/**
* Structured setup outcome intended to travel back through an agent to a human.
* `needs_human` carries remediation text instead of initiating an interactive
* prompt, avoiding deadlocks in stdio and other unattended environments.
*/
export interface SetupResult {
readonly status: "planned" | "needs_confirmation" | "ready" | "needs_human";
readonly plannedActions: readonly SetupAction[];
readonly appliedActions: readonly string[];
readonly clients: Readonly<Record<string, ClientConfigurationResult>>;
readonly doctor: Awaited<ReturnType<typeof runDoctor>>;
readonly remediation?: string;
readonly code?: SetupFailureCode;
}
/** One concrete setup mutation disclosed before approval. */
export interface SetupAction {
readonly id: string;
readonly kind: "install_hopper" | "configure_client" | "install_skill";
readonly label: string;
readonly target: string;
readonly detail: string;
readonly external: boolean;
readonly operation: "create" | "update" | "install";
readonly backupPath?: string;
readonly networkOrigins?: readonly string[];
readonly commands?: readonly string[];
readonly integrity?: string;
}
/** Explicit authorization supplied by an interactive or unattended CLI adapter. */
export interface SetupOptions {
readonly approved: boolean;
readonly installHopper: boolean;
readonly structured: boolean;
readonly proposeHopper?: boolean;
readonly clientIds?: readonly string[];
readonly installSkill?: boolean;
readonly onProgress?: (event: SetupProgressEvent) => void;
}
/** One settled or active setup operation projected to the interactive adapter. */
export interface SetupProgressEvent {
readonly actionId: string;
readonly label: string;
readonly state: "started" | "completed" | "warning" | "failed";
readonly detail?: string;
}
/** Interactive selection and final consent returned by the CLI adapter. */
export interface SetupConfirmationDecision {
readonly approved: boolean;
readonly selectedActionIds: readonly string[];
}
/** Adapter-owned interactive confirmation for a fully discovered setup plan. */
export type SetupConfirmation = (
actions: readonly SetupAction[],
) => Promise<boolean | SetupConfirmationDecision>;
/**
* Install prerequisites and configure detected clients idempotently.
* Discovery always precedes mutation. Interactive confirmation or explicit
* unattended options authorize only the actions represented in the result.
*/
export const runSetup = async (
options: SetupOptions,
host: SetupHost = systemSetupHost(),
confirm?: SetupConfirmation,
): Promise<SetupResult> => {
const appliedActions: string[] = [];
let plannedActions: readonly SetupAction[] = [];
const clients: Record<string, ClientConfigurationResult> = {};
const fail = async (remediation: string): Promise<SetupResult> => ({
status: "needs_human",
plannedActions,
appliedActions,
clients,
doctor: await host.doctor(),
remediation,
});
const unsupported = await hostRemediation(host, options.installHopper);
if (unsupported !== undefined) return fail(unsupported);
let hopperPath = await host.hopperPath();
let providerEnvironment = await initialProviderEnvironment(host, hopperPath);
const discovery = await discoverSetupActions({
host,
providerEnvironment,
forceHopperInstall: options.installHopper,
proposeHopper: options.proposeHopper ?? true,
selectedClientIds: options.clientIds,
installSkillSelection: options.installSkill,
});
if (discovery.blocker !== undefined) return fail(discovery.blocker);
let { installHopper, installSkill } = discovery;
let detectedClients: readonly SetupClient[] = discovery.detectedClients;
plannedActions = discovery.plannedActions;
let approved = options.approved || plannedActions.length === 0;
let interactiveApproval = false;
if (!approved && confirm !== undefined && !options.structured) {
const decision = await confirm(plannedActions);
if (typeof decision === "boolean") {
interactiveApproval = decision;
approved = decision;
} else {
const selected = new Set(decision.selectedActionIds);
plannedActions = plannedActions.filter(({ id }) => selected.has(id));
installHopper = plannedActions.some(
({ kind }) => kind === "install_hopper",
);
installSkill = plannedActions.some(
({ kind }) => kind === "install_skill",
);
detectedClients = detectedClients.filter((client) =>
selected.has(`configure_client:${client.name}`),
);
interactiveApproval = decision.approved;
approved = decision.approved || plannedActions.length === 0;
}
}
if (!approved)
return {
status: confirm === undefined ? "needs_confirmation" : "planned",
plannedActions,
appliedActions,
clients,
doctor: await host.doctor(),
remediation:
"Review the setup plan, then rerun interactively or with --yes.",
};
if (installHopper && (interactiveApproval || options.installHopper)) {
emitProgress(
options,
"install_hopper",
"Hopper deep-analysis provider",
"started",
);
const installed = await host.installHopper(options.installHopper);
if (installed.status === "failed") {
emitProgress(
options,
"install_hopper",
"Hopper deep-analysis provider",
"failed",
installed.remediation,
);
return {
status: "needs_human",
plannedActions,
appliedActions,
clients,
doctor: await host.doctor(),
code: installed.code,
remediation: installed.remediation,
};
}
hopperPath = installed.launcherPath;
providerEnvironment = {
...providerEnvironment,
HOPPER_LAUNCHER_PATH: installed.launcherPath,
};
appliedActions.push("installed_hopper");
emitProgress(
options,
"install_hopper",
"Hopper deep-analysis provider",
"completed",
installed.launcherPath,
);
detectedClients = await filterClientsNeedingConfigure(
host,
detectedClients,
providerEnvironment,
registrationCommand(),
);
}
const clientFailure = await configureDetectedClients({
host,
detectedClients,
providerEnvironment,
command: registrationCommand(),
clients,
appliedActions,
...(options.onProgress === undefined
? {}
: { onProgress: options.onProgress }),
});
if (clientFailure !== undefined) return fail(clientFailure);
if (installSkill) {
emitProgress(
options,
"install_skill",
"REA reverse-engineering skill",
"started",
);
const skill = await host.installSkill();
if (skill === "failed") {
emitProgress(
options,
"install_skill",
"REA reverse-engineering skill",
"failed",
);
return fail(
"REA analysis skill could not be installed or verified. Check permissions for `~/.agents/skills`, then rerun setup.",
);
}
if (skill === "installed") appliedActions.push("installed_skill");
emitProgress(
options,
"install_skill",
"REA reverse-engineering skill",
skill === "installed" ? "completed" : "warning",
skill === "unchanged" ? "Already current" : undefined,
);
}
const doctor = await host.doctor();
const remediation = finalSetupRemediation(
host.platform,
appliedActions.includes("installed_hopper"),
doctor.healthy,
hopperPath,
);
return {
status: remediation === undefined ? "ready" : "needs_human",
plannedActions,
appliedActions,
clients,
doctor,
...(remediation === undefined ? {} : { remediation }),
};
};
const discoverSetupActions = async (input: {
readonly host: SetupHost;
readonly providerEnvironment: SetupProviderEnvironment;
readonly forceHopperInstall: boolean;
readonly proposeHopper: boolean;
readonly selectedClientIds: readonly string[] | undefined;
readonly installSkillSelection: boolean | undefined;
}) => {
const { host, providerEnvironment } = input;
const initialDoctor = await host.doctor();
const linuxHopperRepairNeeded = initialDoctor.checks.some(
({ name, ok, detail }) =>
!ok &&
(name === "hopper-demo-runtime" ||
(name === "hopper-version" && detail === "/opt/hopper/bin/Hopper")),
);
const installHopper =
input.forceHopperInstall ||
(input.proposeHopper &&
(Object.keys(providerEnvironment).length === 0 ||
linuxHopperRepairNeeded));
const [allDetectedClients, skillNeedsInstall] = await Promise.all([
host.detectedClients(),
host.skillNeedsInstall(),
]);
const selectedClientIdSet =
input.selectedClientIds === undefined
? undefined
: new Set(input.selectedClientIds);
const detectedClients = allDetectedClients.filter(
({ name }) =>
selectedClientIdSet === undefined || selectedClientIdSet.has(name),
);
const installSkill =
input.installSkillSelection === false ? false : skillNeedsInstall;
const command = registrationCommand();
const clients = installHopper
? detectedClients
: await filterClientsNeedingConfigure(
host,
detectedClients,
providerEnvironment,
command,
);
const inspections = await inspectClients(
host,
clients,
providerEnvironment,
command,
);
const invalid = inspections.find(
({ inspection }) => inspection.status === "invalid",
);
const blocker =
invalid?.inspection.status === "invalid"
? `${invalid.client.displayName ?? invalid.client.name}: ${invalid.inspection.remediation}`
: undefined;
const clientPlans = inspections.flatMap(({ client, inspection }) =>
inspection.status === "create" ||
inspection.status === "update" ||
(installHopper && inspection.status === "already_current")
? [
{
client,
operation:
inspection.status === "already_current"
? ("update" as const)
: inspection.status,
...(inspection.status !== "already_current" &&
inspection.backupPath !== undefined
? { backupPath: inspection.backupPath }
: {}),
},
]
: [],
);
const linuxDistribution =
host.platform === "linux" ? await host.linuxDistribution() : undefined;
const plannedActions = setupPlan({
platform: host.platform,
installHopper,
installSkill,
clients: clientPlans,
providerEnvironment,
...(linuxDistribution?.packageFamily === undefined
? {}
: { linuxPackageFamily: linuxDistribution.packageFamily }),
});
return {
installHopper,
installSkill,
detectedClients: clientPlans.map(({ client }) => client),
plannedActions,
blocker,
};
};
const inspectClients = async (
host: SetupHost,
clients: readonly SetupClient[],
providerEnvironment: SetupProviderEnvironment,
command: readonly string[],
) =>
Promise.all(
clients.map(async (client) => ({
client,
inspection:
(await host.inspectClientConfiguration?.(
client,
providerEnvironment,
command,
)) ?? ({ status: "update" } as const),
})),
);
const emitProgress = (
options: SetupOptions,
actionId: string,
label: string,
state: SetupProgressEvent["state"],
detail?: string,
): void =>
options.onProgress?.({
actionId,
label,
state,
...(detail === undefined ? {} : { detail }),
});
const filterClientsNeedingConfigure = async (
host: SetupHost,
detectedClients: readonly SetupClient[],
providerEnvironment: SetupProviderEnvironment,
command: readonly string[],
): Promise<readonly SetupClient[]> => {
const needs = await Promise.all(
detectedClients.map((client) =>
host.clientNeedsConfigure(client, providerEnvironment, command),
),
);
return detectedClients.filter((_, index) => needs[index]);
};
const initialProviderEnvironment = async (
host: SetupHost,
hopperPath: string | undefined,
): Promise<SetupProviderEnvironment> => ({
...(await host.providerEnvironment?.()),
...(hopperPath === undefined ? {} : { HOPPER_LAUNCHER_PATH: hopperPath }),
});
const finalSetupRemediation = (
platform: NodeJS.Platform,
installedHopper: boolean,
healthy: boolean,
hopperPath: string | undefined,
): string | undefined => {
if (platform === "darwin" && installedHopper)
return "Open Hopper, choose its demo mode or activate a license, then rerun rea doctor --json.";
if (healthy) return undefined;
return hopperPath === undefined
? "Hopper is optional for non-Hopper providers. Rerun with --yes --install-hopper for deep native analysis."
: "Run rea doctor and apply each reported remediation.";
};
const hostRemediation = async (
host: SetupHost,
forceHopperInstall: boolean,
): Promise<string | undefined> => {
if (host.platform !== "darwin" && host.platform !== "linux")
return "REA supports Hopper on macOS and selected 64-bit Linux distributions.";
if (!supportsNodeVersion(host.nodeVersion))
return "Install Node.js 22.19+ or 24.11+ and rerun setup.";
if (host.platform === "darwin") {
const version = await host.macosVersion();
return version === undefined || major(version) < 12
? "Upgrade to macOS 12 or newer."
: undefined;
}
if ((await host.linuxDistribution())?.supported === true) return undefined;
const providerEnvironment = await host.providerEnvironment?.();
if (
!forceHopperInstall &&
providerEnvironment !== undefined &&
Object.keys(providerEnvironment).length > 0
)
return undefined;
return "Automated Hopper setup supports Ubuntu 24.04+, Fedora 41+, and 64-bit Arch Linux; configure an existing supported provider instead.";
};
/** Production setup effects for Hopper, agent configuration, and the canonical skill directory. */
export const systemSetupHost = (
doctorHost: DoctorHost = systemDoctorHost(),
): SetupHost => {
return {
platform: process.platform,
nodeVersion: process.versions.node,
macosVersion: () => doctorHost.macosVersion(),
linuxDistribution: readLinuxDistribution,
hopperPath: async () => (await runDoctor(undefined, doctorHost)).hopperPath,
providerEnvironment: async () => {
const diagnosis = await runDoctor(undefined, doctorHost);
return {
...providerRegistrationEnvironment(diagnosis.providerInspections ?? []),
...(diagnosis.hopperPath === undefined
? {}
: { HOPPER_LAUNCHER_PATH: diagnosis.hopperPath }),
};
},
installHopper: async (replaceExisting) => {
const result =
process.platform === "linux"
? await installLinuxHopper()
: await installMacHopper({ replaceExisting });
if (result.status === "installed") return result;
return setupInstallFailure(result.reason);
},
detectedClients: () => detectClients(homedir()),
configureClient: (client, providerEnvironment, command) =>
client.format === "unsupported"
? Promise.resolve({ status: "skipped" })
: client.format === "toml"
? configureTomlClient(client, providerEnvironment, command)
: configureJsonClient(client, providerEnvironment, command),
clientNeedsConfigure: (client, providerEnvironment, command) =>
clientConfigurationAligned(client, providerEnvironment, command).then(
(aligned) => !aligned,
),
inspectClientConfiguration: inspectClientConfiguration,
skillNeedsInstall: () => canonicalSkillNeedsInstall(homedir()),
installSkill: () => installCanonicalSkill(homedir()),
doctor: () => runDoctor(undefined, doctorHost),
};
};
/** Detect supported agents from stable per-user installation markers. */
export const detectClients = async (
home: string,
): Promise<readonly SetupClient[]> => {
const detected: SetupClient[] = [];
for (const candidate of supportedClients(home))
if (await exists(candidate.markerPath ?? candidate.configPath))
detected.push(candidate);
return detected;
};
/** Back up, atomically update, and semantically read back one JSON MCP configuration. */
export const configureJsonClient = async (
client: SetupClient,
environment: SetupProviderEnvironment | string = {},
command: readonly string[] = [
"npx",
"-y",
PRODUCT_IDENTITY.packageSpecifier,
"mcp",
],
): Promise<ClientConfigurationResult> => {
const transactionPath = await resolveClientConfigTransactionPath(
client.configPath,
);
if (transactionPath === undefined)
return { status: "failed", reason: "path" };
let document: Record<string, unknown> = {};
let original: string | undefined;
try {
original = await readFile(transactionPath, "utf8");
document = parseObject(original);
} catch (cause: unknown) {
if (!isMissing(cause)) return { status: "failed", reason: "readback" };
}
let servers: Record<string, unknown>;
try {
servers = parseOptionalObject(document.mcpServers);
} catch {
return { status: "failed", reason: "readback" };
}
const desired = clientConfigurationDesired(
normalizeProviderEnvironment(environment),
command,
);
if (
JSON.stringify(servers[PRODUCT_IDENTITY.mcpServerKey]) ===
JSON.stringify(desired)
)
return { status: "unchanged" };
let backupPath: string | undefined;
if (original !== undefined) {
backupPath = `${client.configPath}.rea.backup`;
if (!(await preserveConfigBackup(transactionPath, backupPath)))
return { status: "failed", reason: "backup" };
}
document.mcpServers = {
...servers,
[PRODUCT_IDENTITY.mcpServerKey]: desired,
};
const encoded = `${JSON.stringify(document, null, 2)}\n`;
try {
await mkdir(dirname(client.configPath), { recursive: true });
await writeFileAtomic(transactionPath, encoded, {
encoding: "utf8",
mode: 0o600,
});
} catch {
return { status: "failed", reason: "write" };
}
try {
const readback = parseObject(await readFile(transactionPath, "utf8"));
const value = parseOptionalObject(readback.mcpServers)[
PRODUCT_IDENTITY.mcpServerKey
];
if (JSON.stringify(value) !== JSON.stringify(desired)) {
await restoreConfig(transactionPath, original);
return { status: "failed", reason: "readback" };
}
} catch {
await restoreConfig(transactionPath, original);
return { status: "failed", reason: "readback" };
}
return {
status: "configured",
...(backupPath === undefined ? {} : { backupPath }),
};
};
/** Back up, atomically update, and semantically read back Codex TOML configuration. */
export const configureTomlClient = async (
client: SetupClient,
environment: SetupProviderEnvironment | string = {},
command: readonly string[] = [
"npx",
"-y",
PRODUCT_IDENTITY.packageSpecifier,
"mcp",
],
): Promise<ClientConfigurationResult> => {
const transactionPath = await resolveClientConfigTransactionPath(
client.configPath,
);
if (transactionPath === undefined)
return { status: "failed", reason: "path" };
let document: Record<string, unknown> = {};
let original: string | undefined;
try {
original = await readFile(transactionPath, "utf8");
document = objectSchema.parse(parseToml(original));
} catch (cause: unknown) {
if (!isMissing(cause)) return { status: "failed", reason: "readback" };
}
let servers: Record<string, unknown>;
try {
servers = parseOptionalObject(document.mcp_servers);
} catch {
return { status: "failed", reason: "readback" };
}
const desired = clientConfigurationDesired(
normalizeProviderEnvironment(environment),
command,
);
if (
JSON.stringify(servers[PRODUCT_IDENTITY.mcpServerKey]) ===
JSON.stringify(desired)
)
return { status: "unchanged" };
const backupPath =
original === undefined ? undefined : `${client.configPath}.rea.backup`;
if (
backupPath !== undefined &&
!(await preserveConfigBackup(transactionPath, backupPath))
)
return { status: "failed", reason: "backup" };
document.mcp_servers = {
...servers,
[PRODUCT_IDENTITY.mcpServerKey]: desired,
};
try {
await mkdir(dirname(client.configPath), { recursive: true });
await writeFileAtomic(transactionPath, stringifyToml(document), {
encoding: "utf8",
mode: 0o600,
});
const readback = objectSchema.parse(
parseToml(await readFile(transactionPath, "utf8")),
);
if (
JSON.stringify(
parseOptionalObject(readback.mcp_servers)[
PRODUCT_IDENTITY.mcpServerKey
],
) !== JSON.stringify(desired)
)
throw new Error("TOML readback mismatch");
} catch {
await restoreConfig(transactionPath, original);
return { status: "failed", reason: "readback" };
}
return {
status: "configured",
...(backupPath === undefined ? {} : { backupPath }),
};
};
const major = (version: string): number =>
Number.parseInt(version.split(".")[0] ?? "0", 10);
const exists = async (path: string): Promise<boolean> => {
try {
await access(path);
return true;
} catch {
return false;
}
};
const preserveConfigBackup = async (
source: string,
destination: string,
): Promise<boolean> => {
try {
await copyFile(source, destination, fsConstants.COPYFILE_EXCL);
return true;
} catch (cause: unknown) {
return cause instanceof Error && "code" in cause && cause.code === "EEXIST";
}
};
const objectSchema = z.record(z.string(), z.unknown());
const parseOptionalObject = (value: unknown): Record<string, unknown> =>
value === undefined ? {} : objectSchema.parse(value);
const parseObject = (text: string): Record<string, unknown> =>
objectSchema.parse(JSON.parse(text));
const isMissing = (cause: unknown): boolean =>
cause instanceof Error && "code" in cause && cause.code === "ENOENT";
const restoreConfig = async (
path: string,
original: string | undefined,
): Promise<void> => {
try {
if (original === undefined) await rm(path, { force: true });
else await writeFile(path, original, { encoding: "utf8", mode: 0o600 });
} catch {
// The backup remains available for the remediation reported by setup.
}
};
const clientConfigurationDesired = (
providerEnvironment: SetupProviderEnvironment,
command: readonly string[],
) => {
const environment = Object.fromEntries(
Object.entries(providerEnvironment).sort(([left], [right]) =>
left.localeCompare(right),
),
);
return {
command: command[0] ?? PRODUCT_IDENTITY.cliBinary,
args: command.slice(1),
...(Object.keys(environment).length === 0 ? {} : { env: environment }),
};
};
const clientConfigurationAligned = async (
client: SetupClient,
providerEnvironment: SetupProviderEnvironment,
command: readonly string[],
): Promise<boolean> => {
const desired = clientConfigurationDesired(providerEnvironment, command);
try {
const original = await readFile(client.configPath, "utf8");
if (client.format === "toml") {
const document = objectSchema.parse(parseToml(original));
const servers = parseOptionalObject(document.mcp_servers);
return (
JSON.stringify(servers[PRODUCT_IDENTITY.mcpServerKey]) ===
JSON.stringify(desired)
);
}
const document = parseObject(original);
const servers = parseOptionalObject(document.mcpServers);
return (
JSON.stringify(servers[PRODUCT_IDENTITY.mcpServerKey]) ===
JSON.stringify(desired)
);
} catch {
return false;
}
};
const inspectClientConfiguration = async (
client: SetupClient,
providerEnvironment: SetupProviderEnvironment,
command: readonly string[],
): Promise<ClientConfigurationInspection> => {
if (client.format === "unsupported") return { status: "already_current" };
const transactionPath = await resolveClientConfigTransactionPath(
client.configPath,
);
if (transactionPath === undefined)
return {
status: "invalid",
remediation:
"The configuration path is unsafe or unresolved. Check ownership and symbolic links before rerunning setup.",
};
let original: string;
try {
original = await readFile(transactionPath, "utf8");
} catch (cause: unknown) {
if (isMissing(cause)) return { status: "create" };
return {
status: "invalid",
remediation:
"The configuration file could not be read. Check its permissions before rerunning setup.",
};
}
const desired = clientConfigurationDesired(providerEnvironment, command);
try {
const document =
client.format === "toml"
? objectSchema.parse(parseToml(original))
: parseObject(original);
const servers = parseOptionalObject(
client.format === "toml" ? document.mcp_servers : document.mcpServers,
);
if (
JSON.stringify(servers[PRODUCT_IDENTITY.mcpServerKey]) ===
JSON.stringify(desired)
)
return { status: "already_current" };
} catch {
return {
status: "invalid",
remediation:
"The existing configuration is malformed. Repair it before setup applies any other changes.",
};
}
return {
status: "update",
backupPath: `${client.configPath}.rea.backup`,
};
};
const normalizeProviderEnvironment = (
environment: SetupProviderEnvironment | string,
): SetupProviderEnvironment =>
typeof environment === "string"
? { HOPPER_LAUNCHER_PATH: environment }
: environment;
const providerRegistrationEnvironment = (
inspections: readonly DoctorProviderInspection[],
): SetupProviderEnvironment =>
Object.fromEntries(
inspections
.filter(({ available }) => available)
.flatMap(({ registrationEnvironment }) =>
Object.entries(registrationEnvironment),
)
.sort(([left], [right]) => left.localeCompare(right)),
);