/**
* Miyabi MCP Bundle - Health Check Handler
*
* Comprehensive system health validation.
*/
import { ToolResult, HealthCheckResult } from '../types.js';
import { createErrorFromException } from '../utils/errors.js';
interface HealthCheckDependencies {
git: {
status: () => Promise<unknown>;
};
octokit: {
users: { getAuthenticated: () => Promise<unknown> };
} | null;
commandExists: (cmd: string) => Promise<boolean>;
si: {
cpu: () => Promise<unknown>;
mem: () => Promise<unknown>;
};
}
/**
* Run comprehensive health check
*/
export async function handleHealthCheck(
deps: HealthCheckDependencies
): Promise<ToolResult> {
try {
const checks = {
git: false,
github: false,
tmux: false,
system: false,
};
const details: Record<string, unknown> = {};
// Check Git
try {
await deps.git.status();
checks.git = true;
details.git = 'OK';
} catch (e) {
details.git = e instanceof Error ? e.message : 'Git not available';
}
// Check GitHub
if (deps.octokit) {
try {
await deps.octokit.users.getAuthenticated();
checks.github = true;
details.github = 'OK';
} catch (e) {
details.github = e instanceof Error ? e.message : 'GitHub API error';
}
} else {
details.github = 'No GITHUB_TOKEN configured';
}
// Check tmux
try {
const tmuxExists = await deps.commandExists('tmux');
checks.tmux = tmuxExists;
details.tmux = tmuxExists ? 'OK' : 'tmux not installed';
} catch {
details.tmux = 'tmux check failed';
}
// Check system resources
try {
const [cpu, mem] = await Promise.all([
deps.si.cpu(),
deps.si.mem()
]);
checks.system = true;
details.system = { cpu, mem };
} catch (e) {
details.system = e instanceof Error ? e.message : 'System check failed';
}
// Determine overall status
const passedChecks = Object.values(checks).filter(Boolean).length;
let status: HealthCheckResult['status'];
if (passedChecks === 4) {
status = 'healthy';
} else if (passedChecks >= 2) {
status = 'degraded';
} else {
status = 'unhealthy';
}
return {
status,
checks,
details,
};
} catch (error) {
return createErrorFromException(error, 'EXECUTION_FAILED');
}
}
/**
* Tool definition for health check
*/
export const healthCheckTool = {
name: 'health_check',
description: 'Comprehensive system health validation for Git, GitHub, tmux, and system resources',
inputSchema: {
type: 'object' as const,
properties: {},
},
};
