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stack/packages/mosaic/src/fleet/roster-v2.ts
Jarvis d625e62e89
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feat(fleet): add roster v2 structural compiler
2026-07-14 15:19:36 -05:00

474 lines
17 KiB
TypeScript

import YAML from 'yaml';
export const ROSTER_V2_SUPPORTED_RUNTIMES = ['claude', 'codex', 'opencode', 'pi'] as const;
export const ROSTER_V2_REASONING_LEVELS = ['low', 'medium', 'high'] as const;
export const ROSTER_V2_DESIRED_STATES = ['running', 'stopped'] as const;
export type RosterV2RuntimeName = (typeof ROSTER_V2_SUPPORTED_RUNTIMES)[number];
export type RosterV2ReasoningLevel = (typeof ROSTER_V2_REASONING_LEVELS)[number];
export type RosterV2DesiredState = (typeof ROSTER_V2_DESIRED_STATES)[number];
export type RosterV2InputFormat = 'json' | 'yaml';
export interface FleetRosterV2Tmux {
readonly socketName: string;
readonly holderSession: string;
}
export interface FleetRosterV2Defaults {
readonly workingDirectory: string;
readonly runtime: RosterV2RuntimeName;
}
export interface FleetRosterV2Runtime {
readonly resetCommand: string;
}
export interface FleetRosterV2Lifecycle {
readonly enabled: boolean;
readonly desiredState: RosterV2DesiredState;
}
export interface FleetRosterV2Launch {
readonly yolo: boolean;
}
export interface FleetRosterV2Agent {
readonly name: string;
readonly alias: string;
readonly className: string;
readonly runtime: RosterV2RuntimeName;
readonly provider: string;
readonly model: string;
readonly reasoning: RosterV2ReasoningLevel;
readonly toolPolicy: string;
readonly workingDirectory: string;
readonly persistentPersona: boolean;
readonly resetBetweenTasks: boolean;
readonly lifecycle: FleetRosterV2Lifecycle;
readonly launch: FleetRosterV2Launch;
}
export interface FleetRosterV2 {
readonly version: 2;
readonly generation: number;
readonly transport: 'tmux';
readonly tmux: FleetRosterV2Tmux;
readonly defaults: FleetRosterV2Defaults;
readonly runtimes: Readonly<Record<string, FleetRosterV2Runtime>>;
readonly agents: readonly FleetRosterV2Agent[];
}
export class RosterV2ValidationError extends Error {
constructor(message: string) {
super(message);
this.name = 'RosterV2ValidationError';
}
}
type JsonSchema = string | number | boolean | null | JsonSchema[] | { [key: string]: JsonSchema };
/**
* Executable v2 structural contract. The checked-in documentation schema is
* structurally compared to this value in roster-v2.spec.ts.
*/
export const ROSTER_V2_JSON_SCHEMA: JsonSchema = {
$schema: 'https://json-schema.org/draft/2020-12/schema',
$id: 'https://mosaicstack.dev/schemas/fleet/roster-v2.schema.json',
title: 'Mosaic local tmux fleet roster v2',
type: 'object',
additionalProperties: false,
required: ['version', 'generation', 'transport', 'tmux', 'defaults', 'runtimes', 'agents'],
properties: {
version: { const: 2 },
generation: { type: 'integer', minimum: 1, maximum: Number.MAX_SAFE_INTEGER },
transport: { const: 'tmux' },
tmux: {
type: 'object',
additionalProperties: false,
required: ['socket_name', 'holder_session'],
properties: {
socket_name: { type: 'string', pattern: '^[A-Za-z0-9_.-]+$' },
holder_session: { type: 'string', pattern: '^[A-Za-z0-9_.-]+$' },
},
},
defaults: {
type: 'object',
additionalProperties: false,
required: ['working_directory', 'runtime'],
properties: {
working_directory: { type: 'string', minLength: 1 },
runtime: { enum: [...ROSTER_V2_SUPPORTED_RUNTIMES] },
},
},
runtimes: {
type: 'object',
minProperties: 1,
propertyNames: { enum: [...ROSTER_V2_SUPPORTED_RUNTIMES] },
additionalProperties: {
type: 'object',
additionalProperties: false,
required: ['reset_command'],
properties: { reset_command: { type: 'string', minLength: 1 } },
},
},
agents: {
type: 'array',
minItems: 1,
items: {
type: 'object',
additionalProperties: false,
required: [
'name',
'alias',
'class',
'runtime',
'provider',
'model',
'reasoning',
'tool_policy',
'working_directory',
'persistent_persona',
'reset_between_tasks',
'lifecycle',
'launch',
],
properties: {
name: { type: 'string', pattern: '^[A-Za-z0-9][A-Za-z0-9_.-]*$' },
alias: { type: 'string', minLength: 1 },
class: { type: 'string', pattern: '^[a-z][a-z0-9-]*$' },
runtime: { enum: [...ROSTER_V2_SUPPORTED_RUNTIMES] },
provider: { type: 'string', minLength: 1 },
model: { type: 'string', minLength: 1 },
reasoning: { enum: [...ROSTER_V2_REASONING_LEVELS] },
tool_policy: { type: 'string', pattern: '^[a-z][a-z0-9-]*$' },
working_directory: { type: 'string', minLength: 1 },
persistent_persona: { type: 'boolean' },
reset_between_tasks: { type: 'boolean' },
lifecycle: {
type: 'object',
additionalProperties: false,
required: ['enabled', 'desired_state'],
properties: {
enabled: { type: 'boolean' },
desired_state: { enum: [...ROSTER_V2_DESIRED_STATES] },
},
},
launch: {
type: 'object',
additionalProperties: false,
required: ['yolo'],
properties: { yolo: { type: 'boolean' } },
},
},
},
},
},
};
const ROOT_KEYS = ['version', 'generation', 'transport', 'tmux', 'defaults', 'runtimes', 'agents'];
const TMUX_KEYS = ['socket_name', 'holder_session'];
const DEFAULT_KEYS = ['working_directory', 'runtime'];
const RUNTIME_KEYS = ['reset_command'];
const AGENT_KEYS = [
'name',
'alias',
'class',
'runtime',
'provider',
'model',
'reasoning',
'tool_policy',
'working_directory',
'persistent_persona',
'reset_between_tasks',
'lifecycle',
'launch',
];
const LIFECYCLE_KEYS = ['enabled', 'desired_state'];
const LAUNCH_KEYS = ['yolo'];
const IDENTIFIER = /^[A-Za-z0-9][A-Za-z0-9_.-]*$/;
const TMUX_IDENTIFIER = /^[A-Za-z0-9_.-]+$/;
const POLICY_IDENTIFIER = /^[a-z][a-z0-9-]*$/;
/** Parses YAML or JSON and compiles only the local-tmux roster v2 contract. */
export function parseRosterV2(source: string, format?: RosterV2InputFormat): FleetRosterV2 {
const parsed = parseSource(source, format);
return normalizeRosterV2(parsed);
}
/** Renders canonical snake_case YAML with sorted runtime and agent entries. */
export function renderRosterV2Yaml(roster: FleetRosterV2): string {
const normalized = normalizeRosterV2(toSourceShape(roster));
return YAML.stringify(toSourceShape(normalized));
}
function parseSource(source: string, format?: RosterV2InputFormat): unknown {
const resolvedFormat = format ?? (source.trimStart().startsWith('{') ? 'json' : 'yaml');
try {
if (resolvedFormat === 'json') return JSON.parse(source) as unknown;
return YAML.parse(source) as unknown;
} catch (error: unknown) {
const detail = error instanceof Error ? error.message : String(error);
throw new RosterV2ValidationError(`Roster v2 ${resolvedFormat} parse failed: ${detail}`);
}
}
export function normalizeRosterV2(raw: unknown): FleetRosterV2 {
const root = requiredObject(raw, 'Roster v2');
assertKnownKeys(root, 'Roster v2', ROOT_KEYS);
if (root.version === 1) {
throw new RosterV2ValidationError(
'Roster v2 compiler rejects v1 input; use the existing v1 path until migration.',
);
}
if (root.version !== 2) throw new RosterV2ValidationError('Roster v2 version must be 2.');
const generation = requiredPositiveInteger(root.generation, 'Roster v2 generation');
const transport = requiredEnum(root.transport, 'Roster v2 transport', ['tmux'] as const);
const tmux = normalizeTmux(root.tmux);
const defaults = normalizeDefaults(root.defaults);
const runtimes = normalizeRuntimes(root.runtimes);
const agents = normalizeAgents(root.agents, runtimes);
if (!runtimes[defaults.runtime]) {
throw new RosterV2ValidationError(
`Roster v2 defaults runtime "${defaults.runtime}" must be declared in runtimes.`,
);
}
return { version: 2, generation, transport, tmux, defaults, runtimes, agents };
}
function normalizeTmux(value: unknown): FleetRosterV2Tmux {
const raw = requiredObject(value, 'Roster v2 tmux');
assertKnownKeys(raw, 'Roster v2 tmux', TMUX_KEYS);
return {
socketName: requiredTmuxIdentifier(raw.socket_name, 'Roster v2 tmux socket_name'),
holderSession: requiredTmuxIdentifier(raw.holder_session, 'Roster v2 tmux holder_session'),
};
}
function normalizeDefaults(value: unknown): FleetRosterV2Defaults {
const raw = requiredObject(value, 'Roster v2 defaults');
assertKnownKeys(raw, 'Roster v2 defaults', DEFAULT_KEYS);
return {
workingDirectory: requiredString(raw.working_directory, 'Roster v2 defaults working_directory'),
runtime: requiredRuntime(raw.runtime, 'Roster v2 defaults runtime'),
};
}
function normalizeRuntimes(value: unknown): Readonly<Record<string, FleetRosterV2Runtime>> {
const raw = requiredObject(value, 'Roster v2 runtimes');
const names = Object.keys(raw);
if (names.length === 0)
throw new RosterV2ValidationError('Roster v2 runtimes must not be empty.');
const result: Record<string, FleetRosterV2Runtime> = {};
for (const name of names.sort()) {
const runtime = requiredRuntime(name, 'Roster v2 runtime name');
const config = requiredObject(raw[name], `Roster v2 runtime "${runtime}"`);
assertKnownKeys(config, `Roster v2 runtime "${runtime}"`, RUNTIME_KEYS);
result[runtime] = {
resetCommand: requiredString(
config.reset_command,
`Roster v2 runtime "${runtime}" reset_command`,
),
};
}
return result;
}
function normalizeAgents(
value: unknown,
runtimes: Readonly<Record<string, FleetRosterV2Runtime>>,
): readonly FleetRosterV2Agent[] {
if (!Array.isArray(value) || value.length === 0) {
throw new RosterV2ValidationError('Roster v2 agents must be a non-empty array.');
}
const seen = new Set<string>();
const agents = value.map((candidate: unknown, index: number): FleetRosterV2Agent => {
const raw = requiredObject(candidate, `Roster v2 agents[${index}]`);
assertKnownKeys(raw, `Roster v2 agents[${index}]`, AGENT_KEYS);
const name = requiredIdentifier(raw.name, `Roster v2 agents[${index}] name`);
if (seen.has(name))
throw new RosterV2ValidationError(`Roster v2 has duplicate agent name: ${name}.`);
seen.add(name);
const runtime = requiredRuntime(raw.runtime, `Roster v2 agent "${name}" runtime`);
if (!runtimes[runtime]) {
throw new RosterV2ValidationError(
`Roster v2 agent "${name}" runtime "${runtime}" must be declared in runtimes.`,
);
}
return {
name,
alias: requiredString(raw.alias, `Roster v2 agent "${name}" alias`),
className: requiredPolicyIdentifier(raw.class, `Roster v2 agent "${name}" class`),
runtime,
provider: requiredString(raw.provider, `Roster v2 agent "${name}" provider`),
model: requiredString(raw.model, `Roster v2 agent "${name}" model`),
reasoning: requiredEnum(
raw.reasoning,
`Roster v2 agent "${name}" reasoning`,
ROSTER_V2_REASONING_LEVELS,
),
toolPolicy: requiredPolicyIdentifier(
raw.tool_policy,
`Roster v2 agent "${name}" tool_policy`,
),
workingDirectory: requiredString(
raw.working_directory,
`Roster v2 agent "${name}" working_directory`,
),
persistentPersona: requiredBoolean(
raw.persistent_persona,
`Roster v2 agent "${name}" persistent_persona`,
),
resetBetweenTasks: requiredBoolean(
raw.reset_between_tasks,
`Roster v2 agent "${name}" reset_between_tasks`,
),
lifecycle: normalizeLifecycle(raw.lifecycle, name),
launch: normalizeLaunch(raw.launch, name),
};
});
return agents.sort((left: FleetRosterV2Agent, right: FleetRosterV2Agent): number =>
left.name.localeCompare(right.name),
);
}
function normalizeLifecycle(value: unknown, agentName: string): FleetRosterV2Lifecycle {
const raw = requiredObject(value, `Roster v2 agent "${agentName}" lifecycle`);
assertKnownKeys(raw, `Roster v2 agent "${agentName}" lifecycle`, LIFECYCLE_KEYS);
return {
enabled: requiredBoolean(raw.enabled, `Roster v2 agent "${agentName}" lifecycle enabled`),
desiredState: requiredEnum(
raw.desired_state,
`Roster v2 agent "${agentName}" lifecycle desired_state`,
ROSTER_V2_DESIRED_STATES,
),
};
}
function normalizeLaunch(value: unknown, agentName: string): FleetRosterV2Launch {
const raw = requiredObject(value, `Roster v2 agent "${agentName}" launch`);
assertKnownKeys(raw, `Roster v2 agent "${agentName}" launch`, LAUNCH_KEYS);
return { yolo: requiredBoolean(raw.yolo, `Roster v2 agent "${agentName}" launch yolo`) };
}
function requiredObject(value: unknown, label: string): Record<string, unknown> {
if (typeof value !== 'object' || value === null || Array.isArray(value)) {
throw new RosterV2ValidationError(`${label} must be an object.`);
}
return value as Record<string, unknown>;
}
function assertKnownKeys(
value: Record<string, unknown>,
label: string,
allowedKeys: readonly string[],
): void {
const allowed = new Set(allowedKeys);
const unknown = Object.keys(value).filter((key: string): boolean => !allowed.has(key));
if (unknown.length > 0) {
throw new RosterV2ValidationError(`${label} has unsupported field(s): ${unknown.join(', ')}.`);
}
}
function requiredString(value: unknown, label: string): string {
if (typeof value !== 'string' || value.trim() === '') {
throw new RosterV2ValidationError(`${label} is required and must be a non-empty string.`);
}
return value.trim();
}
function requiredIdentifier(value: unknown, label: string): string {
const result = requiredString(value, label);
if (!IDENTIFIER.test(result)) {
throw new RosterV2ValidationError(`Invalid agent name (${label}): ${result}.`);
}
return result;
}
function requiredTmuxIdentifier(value: unknown, label: string): string {
const result = requiredString(value, label);
if (!TMUX_IDENTIFIER.test(result))
throw new RosterV2ValidationError(`Invalid ${label}: ${result}.`);
return result;
}
function requiredPolicyIdentifier(value: unknown, label: string): string {
const result = requiredString(value, label);
if (!POLICY_IDENTIFIER.test(result))
throw new RosterV2ValidationError(`Invalid ${label}: ${result}.`);
return result;
}
function requiredPositiveInteger(value: unknown, label: string): number {
if (typeof value !== 'number' || !Number.isSafeInteger(value) || value < 1) {
throw new RosterV2ValidationError(`${label} must be a positive integer.`);
}
return value;
}
function requiredBoolean(value: unknown, label: string): boolean {
if (typeof value !== 'boolean') throw new RosterV2ValidationError(`${label} must be a boolean.`);
return value;
}
function requiredRuntime(value: unknown, label: string): RosterV2RuntimeName {
return requiredEnum(value, label, ROSTER_V2_SUPPORTED_RUNTIMES);
}
function requiredEnum<T extends string>(value: unknown, label: string, allowed: readonly T[]): T {
if (typeof value !== 'string' || !allowed.includes(value as T)) {
throw new RosterV2ValidationError(
`${label} must be one of the supported values: ${allowed.join(', ')}.`,
);
}
return value as T;
}
function toSourceShape(roster: FleetRosterV2): Record<string, unknown> {
return {
version: roster.version,
generation: roster.generation,
transport: roster.transport,
tmux: { socket_name: roster.tmux.socketName, holder_session: roster.tmux.holderSession },
defaults: {
working_directory: roster.defaults.workingDirectory,
runtime: roster.defaults.runtime,
},
runtimes: Object.fromEntries(
Object.entries(roster.runtimes)
.sort(([left], [right]): number => left.localeCompare(right))
.map(([name, runtime]): [string, unknown] => [
name,
{ reset_command: runtime.resetCommand },
]),
),
agents: [...roster.agents]
.sort((left: FleetRosterV2Agent, right: FleetRosterV2Agent): number =>
left.name.localeCompare(right.name),
)
.map(
(agent: FleetRosterV2Agent): Record<string, unknown> => ({
name: agent.name,
alias: agent.alias,
class: agent.className,
runtime: agent.runtime,
provider: agent.provider,
model: agent.model,
reasoning: agent.reasoning,
tool_policy: agent.toolPolicy,
working_directory: agent.workingDirectory,
persistent_persona: agent.persistentPersona,
reset_between_tasks: agent.resetBetweenTasks,
lifecycle: {
enabled: agent.lifecycle.enabled,
desired_state: agent.lifecycle.desiredState,
},
launch: { yolo: agent.launch.yolo },
}),
),
};
}