ZacharyZhang-NY
cab7b01831
Agents could only post to named public channels - the messaging tool even excluded direct spaces - so assignments, reports, and questions all crowded into general. Now ChatService.ensureDirectSpace finds or creates the private two-member conversation for any agent/employee pair; send_message takes to="Name" for 1:1 traffic (exactly one of to/channel), read_messages reads a conversation by teammate name, and task assignments land in the manager's DM with the assignee. In a direct conversation the counterpart agent wakes on every message without needing an @mention - same social contract as any messenger - still bounded by the autonomous-turn budget, and wake task briefings tell agents to reply with to= in kind. Covered by six new direct-message contract tests; the assignment-thread test now encodes the DM routing contract.
521 lines
21 KiB
TypeScript
521 lines
21 KiB
TypeScript
import type { DatabaseSync } from "node:sqlite";
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import { RISK_LEVEL, TASK_PRIORITY, TASK_STATUS, type RiskLevel } from "../../shared/domain";
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import { ORGANIZATION_DEPARTMENTS } from "./org-governance-service";
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import type { OrganizationService } from "./organization-service";
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import type { ChatService } from "./chat-service";
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import { writeDeliverable } from "./deliverable-writer";
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import { DocumentService } from "./document-service";
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import { recordWorkspaceFile } from "./files/file-object-store";
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import { canonicalMentionHandle } from "../../shared/mention-handles";
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import { readMessagesTool } from "./agent-read-messages";
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import type { JsonRecord } from "./provider-http";
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import type { ToolCall, ToolDefinition } from "./provider-tool-turn";
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const HIRE_BUDGET_CENTS = 25000;
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const HEARTBEAT_INTERVAL_SEC = 120;
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export interface AgentToolContext {
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orgId: string;
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/** The acting agent (the CEO during team-building). */
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agent: { id: string; modelProviderId: string | null; modelId: string | null };
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taskProjectId: string | null;
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taskGoalId: string | null;
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workspace: { id: string; localPath: string } | null;
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}
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export interface AgentToolDeps {
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db: DatabaseSync;
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organization: OrganizationService;
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chat: ChatService;
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}
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export interface AgentToolDispatchOptions {
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announceTaskAssignments?: boolean;
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}
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/** The tools the acting agent may call during a run. */
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export const AGENT_TOOLS: ToolDefinition[] = [
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{
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name: "hire_agent",
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description:
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"Add one direct report to your team. During team building, call this 3-5 times to staff the roles you need before delegating work.",
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parameters: {
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type: "object",
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additionalProperties: false,
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properties: {
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name: { type: "string", description: "Full name of the new agent." },
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role: { type: "string", description: "Their role/title, e.g. 'Growth Marketer'." },
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department: { type: "string", enum: [...ORGANIZATION_DEPARTMENTS], description: "The company department the hire belongs to." },
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model: { type: "string", description: "Optional model id; defaults to your own model." },
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},
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required: ["name", "role", "department"],
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},
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},
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{
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name: "create_task",
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description: "Create a task for the team and optionally assign it to one of your reports by name.",
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parameters: {
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type: "object",
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additionalProperties: false,
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properties: {
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title: { type: "string" },
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description: { type: "string" },
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assignee_agent_name: { type: "string", description: "Name of the agent to assign, if any." },
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risk: { type: "string", enum: ["low", "medium", "high"] },
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},
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required: ["title", "description"],
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},
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},
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{
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name: "update_task_status",
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description: "Move a task to a new status.",
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parameters: {
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type: "object",
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additionalProperties: false,
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properties: {
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task_id: { type: "string" },
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status: { type: "string", enum: ["backlog", "in_progress", "review", "done"] },
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},
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required: ["task_id", "status"],
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},
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},
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{
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name: "write_deliverable",
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description: "Write a deliverable file into the company workspace folder (relative path). Use this to produce real output.",
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parameters: {
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type: "object",
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additionalProperties: false,
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properties: {
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path: { type: "string", description: "Relative path inside the workspace, e.g. 'plan/business-plan.md'." },
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content: { type: "string" },
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},
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required: ["path", "content"],
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},
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},
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{
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name: "send_message",
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description: "Talk to your teammates the way colleagues do. For anything meant for one person — task updates, questions, reports to your manager, hand-offs — send a direct message with `to` so each conversation stays separate. Use a `channel` only for genuinely team-wide topics: 'engineering' for engineering, 'product' for product/design, 'general' for company-wide. Pass exactly one of `to` or `channel`. @mention people you address in channels, attach deliverable file ids with attachment_file_ids, and use /handoff @Name when passing a file. Reply inside a thread by passing its thread_id to keep one conversation together.",
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parameters: {
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type: "object",
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additionalProperties: false,
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properties: {
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to: { type: "string", description: "Teammate name for a direct 1:1 message, e.g. 'CEO' or 'Ava Patel'. Preferred for anything addressed to one person." },
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channel: { type: "string", description: "Channel for team-wide topics: 'engineering', 'product', or 'general'." },
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body: { type: "string", description: "The message. Use @mentions for teammates and slash commands such as /handoff @Name when passing files." },
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thread_id: { type: "string", description: "Reply inside an existing thread — pass the thread_id a prior send_message returned. Omit to start a new thread." },
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attachment_file_ids: {
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type: "array",
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items: { type: "string" },
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description: "Approved file object ids to attach to this chat message.",
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},
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},
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required: ["body"],
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},
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},
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{
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name: "read_messages",
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description: "Read recent messages from a channel, a direct conversation, or your direct mentions. Check what your teammates have been saying before you respond or start work.",
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parameters: {
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type: "object",
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additionalProperties: false,
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properties: {
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channel: { type: "string", description: "Channel name: 'engineering', 'product', 'general'." },
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with: { type: "string", description: "Teammate name to read your direct conversation with, e.g. 'CEO'." },
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limit: { type: "number", description: "Number of recent messages (default 10, max 30)." },
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},
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required: [],
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},
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},
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{
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name: "create_document",
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description: "Create a company document (PRD, spec, memo, report, runbook, proposal, policy, guide). Use this for structured deliverables that the company should keep versioned.",
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parameters: {
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type: "object",
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additionalProperties: false,
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properties: {
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title: { type: "string" },
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doc_type: { type: "string", enum: ["prd", "spec", "memo", "report", "runbook", "proposal", "policy", "guide"] },
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content: { type: "string", description: "Full document content in markdown." },
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},
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required: ["title", "doc_type", "content"],
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},
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},
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];
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export function dispatchAgentTool(
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deps: AgentToolDeps,
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ctx: AgentToolContext,
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call: ToolCall,
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options: AgentToolDispatchOptions = {},
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): string {
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try {
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switch (call.name) {
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case "hire_agent":
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return hireAgent(deps, ctx, call.arguments);
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case "create_task":
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return createTask(deps, ctx, call.arguments, options);
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case "update_task_status":
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return updateTaskStatus(deps, ctx, call.arguments);
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case "write_deliverable":
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return writeDeliverableTool(deps, ctx, call.arguments);
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case "send_message":
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return sendMessageTool(deps, ctx, call.arguments);
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case "read_messages":
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return readMessagesTool(deps, ctx, call.arguments);
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case "create_document":
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return createDocumentTool(deps, ctx, call.arguments);
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default:
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return `ERROR: unknown tool "${call.name}".`;
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}
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} catch (error) {
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return `ERROR: ${error instanceof Error ? error.message : String(error)}`;
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}
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}
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function hireAgent(deps: AgentToolDeps, ctx: AgentToolContext, args: JsonRecord): string {
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if (!ctx.agent.modelProviderId) throw new Error("Acting agent has no model provider to assign hires.");
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const name = requireString(args.name, "name");
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const role = requireString(args.role, "role");
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const department = requireString(args.department, "department");
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const model = optionalString(args.model) ?? ctx.agent.modelId;
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const agentId = deps.organization.createAgent({
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orgId: ctx.orgId,
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name,
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role,
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department,
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modelProviderId: ctx.agent.modelProviderId,
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modelId: model,
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budgetCents: HIRE_BUDGET_CENTS,
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managerAgentId: ctx.agent.id,
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roleLevel: "staff",
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workspaceId: ctx.workspace?.id ?? null,
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heartbeatEnabled: true,
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heartbeatIntervalSec: HEARTBEAT_INTERVAL_SEC,
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});
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return `Hired ${name} as ${role} in ${department} (agent_id=${agentId}).`;
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}
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function createTask(deps: AgentToolDeps, ctx: AgentToolContext, args: JsonRecord, options: AgentToolDispatchOptions): string {
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const title = requireString(args.title, "title");
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const description = requireString(args.description, "description");
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const assigneeName = optionalString(args.assignee_agent_name);
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const assignee = assigneeName ? requireRunnableAgentByName(deps.db, ctx.orgId, assigneeName) : null;
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const create = () => {
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const taskId = deps.organization.createTask({
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orgId: ctx.orgId,
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title,
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description,
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status: TASK_STATUS.BACKLOG,
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assigneeAgentId: assignee?.id ?? null,
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risk: normalizeRisk(args.risk),
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projectId: ctx.taskProjectId,
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goalId: ctx.taskGoalId,
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workspaceId: ctx.workspace?.id ?? null,
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priority: TASK_PRIORITY.NORMAL,
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requiresFilesystem: false,
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});
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const assignmentThread = options.announceTaskAssignments !== false && assignee && assignee.id !== ctx.agent.id
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? postAssignmentMessage(deps, ctx, { taskId, title, description, assignee })
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: null;
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return { taskId, assignmentThread };
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};
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const { taskId, assignmentThread } = assignee ? withSavepoint(deps.db, "agent_create_task_assignment", create) : create();
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return `Created task "${title}" (task_id=${taskId})${assignee ? ` assigned to ${assignee.name}` : " (unassigned)"}${assignmentThread ? ` in thread_id="${assignmentThread}"` : ""}.`;
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}
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function updateTaskStatus(deps: AgentToolDeps, ctx: AgentToolContext, args: JsonRecord): string {
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const taskId = requireString(args.task_id, "task_id");
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const status = normalizeStatus(args.status);
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deps.organization.updateTaskStatus(ctx.orgId, taskId, status);
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return `Task ${taskId} moved to ${status}.`;
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}
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function writeDeliverableTool(deps: AgentToolDeps, ctx: AgentToolContext, args: JsonRecord): string {
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if (!ctx.workspace) throw new Error("No workspace is bound to this task; cannot write deliverables.");
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const path = requireString(args.path, "path");
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const content = requireString(args.content, "content");
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const written = writeDeliverable({ workspaceRoot: ctx.workspace.localPath, relativePath: path, content });
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const fileId = recordWorkspaceFile(deps.db, {
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orgId: ctx.orgId,
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ownerType: "agent",
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ownerId: ctx.agent.id,
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workspaceRoot: ctx.workspace.localPath,
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relativePath: written,
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});
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return `Wrote deliverable ${written} (file_id=${fileId}, chars=${content.length}).`;
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}
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function sendMessageTool(deps: AgentToolDeps, ctx: AgentToolContext, args: JsonRecord): string {
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const channel = optionalString(args.channel);
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const to = optionalString(args.to);
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const body = requireString(args.body, "body");
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const threadId = optionalString(args.thread_id);
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const attachmentFileIds = optionalStringArray(args.attachment_file_ids, "attachment_file_ids");
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if (Boolean(channel) === Boolean(to)) throw new Error('Pass exactly one of "to" (direct message) or "channel".');
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const destination = to
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? directSpaceWith(deps, ctx, to)
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: channelSpace(deps.db, ctx.orgId, channel!);
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const sent = withSavepoint(deps.db, "agent_send_message", () => {
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const messageId = deps.chat.sendMessage({
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orgId: ctx.orgId,
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spaceId: destination.spaceId,
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threadId,
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senderType: "agent",
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senderId: ctx.agent.id,
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bodyMd: body,
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attachmentFileIds,
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});
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const row = deps.db.prepare("select thread_id from chat_messages where id = ?").get(messageId) as { thread_id: string };
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return { messageId, threadId: row.thread_id };
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});
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if (destination.kind === "direct") {
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return [
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`Your direct message to ${destination.counterpartName} is delivered; they can see it and reply in your conversation.`,
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`To stay in this conversation, reply with to="${destination.counterpartName}" and thread_id="${sent.threadId}".`,
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].join(" ");
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}
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return describeSend(deps.db, ctx.agent.id, destination.label, destination.spaceId, sent.messageId, sent.threadId);
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}
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interface ChannelDestination {
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kind: "channel";
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spaceId: string;
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label: string;
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}
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interface DirectDestination {
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kind: "direct";
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spaceId: string;
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counterpartName: string;
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}
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function channelSpace(db: DatabaseSync, orgId: string, channel: string): ChannelDestination {
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const space = db.prepare(
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"select id from chat_spaces where org_id = ? and lower(name) = lower(?) and space_type <> 'direct' limit 1",
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).get(orgId, channel) as { id: string } | undefined;
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if (!space) throw new Error(`No channel named "${channel}".`);
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return { kind: "channel", spaceId: space.id, label: channel };
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}
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function directSpaceWith(deps: AgentToolDeps, ctx: AgentToolContext, teammateName: string): DirectDestination {
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const counterpart = resolveTeammateByName(deps.db, ctx.orgId, teammateName);
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if (counterpart.type === "agent" && counterpart.id === ctx.agent.id) {
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throw new Error("You cannot open a direct conversation with yourself.");
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}
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const spaceId = deps.chat.ensureDirectSpace(
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ctx.orgId,
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{ type: "agent", id: ctx.agent.id },
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{ type: counterpart.type, id: counterpart.id },
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);
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return { kind: "direct", spaceId, counterpartName: counterpart.name };
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}
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function resolveTeammateByName(
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db: DatabaseSync,
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orgId: string,
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name: string,
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): { type: "agent" | "employee"; id: string; name: string } {
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const trimmed = name.trim();
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const agent = db.prepare(
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"select id, name from agents where org_id = ? and lower(name) = lower(?) and lifecycle = 'active' limit 1",
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).get(orgId, trimmed) as { id: string; name: string } | undefined;
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if (agent) return { type: "agent", id: agent.id, name: agent.name };
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const employee = db.prepare(
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"select id, display_name from employees where org_id = ? and lower(display_name) = lower(?) limit 1",
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).get(orgId, trimmed) as { id: string; display_name: string } | undefined;
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if (employee) return { type: "employee", id: employee.id, name: employee.display_name };
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throw new Error(`No teammate named "${name}".`);
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}
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/**
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* What the sending agent hears back: who is in the channel and who they just
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* addressed — the presence of real colleagues, not a transaction id. Hearing
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* the room is what lets an agent hold a conversation instead of posting into a
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* void, while the thread_id keeps the next reply on the same thread.
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*/
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function describeSend(db: DatabaseSync, selfAgentId: string, channel: string, spaceId: string, messageId: string, threadId: string): string {
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const addressed = mentionedTeammates(db, selfAgentId, messageId);
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const present = channelTeammates(db, selfAgentId, spaceId, addressed);
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const lines = [`Your message is up in #${channel}.`];
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const replyReady = addressed.filter((teammate) => teammate.canReply).map((teammate) => teammate.name);
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const mentionedOnly = addressed.filter((teammate) => !teammate.canReply).map((teammate) => teammate.name);
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if (replyReady.length > 0) lines.push(`${joinNames(replyReady)} can see it and reply here.`);
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if (mentionedOnly.length > 0) lines.push(`${joinNames(mentionedOnly)} was mentioned in this thread.`);
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if (present.length > 0) lines.push(`Also in the room: ${joinNames(present)}.`);
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lines.push(`To stay in this conversation, reply with thread_id="${threadId}".`);
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return lines.join(" ");
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}
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interface MentionedTeammate {
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name: string;
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canReply: boolean;
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}
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function mentionedTeammates(db: DatabaseSync, selfAgentId: string, messageId: string): MentionedTeammate[] {
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const wakePattern = `%"sourceMessageId":"${messageId}"%`;
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const rows = db.prepare(`
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select coalesce(a.name, e.display_name) as name,
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case
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when m.target_type = 'employee' then 1
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when exists (
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select 1
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from task_runs r
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where r.agent_id = m.target_id
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and r.trigger = 'chat_mention'
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and r.secret_scope_json like ?
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) then 1
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else 0
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end as can_reply
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from chat_mentions m
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left join agents a on a.id = m.target_id and m.target_type = 'agent'
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left join employees e on e.id = m.target_id and m.target_type = 'employee'
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where m.message_id = ? and m.target_type in ('agent', 'employee') and m.target_id <> ?
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`).all(wakePattern, messageId, selfAgentId) as Array<{ name: string | null; can_reply: number }>;
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return dedupeTeammates(rows);
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}
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function channelTeammates(db: DatabaseSync, selfAgentId: string, spaceId: string, addressed: MentionedTeammate[]): string[] {
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const alreadyNamed = new Set(addressed.map((teammate) => teammate.name));
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const rows = db.prepare(`
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select coalesce(a.name, e.display_name) as name
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from chat_memberships cm
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left join agents a on a.id = cm.principal_id and cm.principal_type = 'agent'
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left join employees e on e.id = cm.principal_id and cm.principal_type = 'employee'
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where cm.space_id = ? and cm.principal_id <> ?
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`).all(spaceId, selfAgentId) as Array<{ name: string | null }>;
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return dedupeNames(rows).filter((name) => !alreadyNamed.has(name)).slice(0, 6);
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}
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function dedupeNames(rows: Array<{ name: string | null }>): string[] {
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const names = new Set<string>();
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for (const row of rows) if (row.name) names.add(row.name);
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return [...names];
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}
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function dedupeTeammates(rows: Array<{ name: string | null; can_reply: number }>): MentionedTeammate[] {
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const teammates = new Map<string, MentionedTeammate>();
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for (const row of rows) {
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if (!row.name) continue;
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const existing = teammates.get(row.name);
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const canReply = row.can_reply === 1;
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teammates.set(row.name, { name: row.name, canReply: canReply || existing?.canReply === true });
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}
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return [...teammates.values()];
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}
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function joinNames(names: string[]): string {
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if (names.length === 1) return names[0];
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if (names.length === 2) return `${names[0]} and ${names[1]}`;
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return `${names.slice(0, -1).join(", ")}, and ${names[names.length - 1]}`;
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}
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function createDocumentTool(deps: AgentToolDeps, ctx: AgentToolContext, args: JsonRecord): string {
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const title = requireString(args.title, "title");
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const docType = requireString(args.doc_type, "doc_type");
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const content = requireString(args.content, "content");
|
|
const documentService = new DocumentService(deps.db);
|
|
const docId = documentService.create({
|
|
orgId: ctx.orgId,
|
|
title,
|
|
docType,
|
|
content,
|
|
authorAgentId: ctx.agent.id,
|
|
reviewerAgentId: null,
|
|
projectId: ctx.taskProjectId,
|
|
goalId: ctx.taskGoalId,
|
|
taskId: null,
|
|
});
|
|
return `Created document "${title}" (doc_id=${docId}, type=${docType}, chars=${content.length}).`;
|
|
}
|
|
|
|
interface RunnableAssignmentAgent {
|
|
id: string;
|
|
name: string;
|
|
department: string;
|
|
}
|
|
|
|
function requireRunnableAgentByName(db: DatabaseSync, orgId: string, name: string): RunnableAssignmentAgent {
|
|
const row = db.prepare(`
|
|
select a.id, a.name, a.department
|
|
from agents a
|
|
join providers p on p.id = a.model_provider_id and p.org_id = a.org_id
|
|
join service_identities si on si.agent_id = a.id and si.org_id = a.org_id
|
|
where a.org_id = ?
|
|
and lower(a.name) = lower(?)
|
|
and a.lifecycle = 'active'
|
|
and p.enabled = 1
|
|
limit 1
|
|
`).get(orgId, name.trim()) as RunnableAssignmentAgent | undefined;
|
|
if (!row) throw new Error(`No runnable agent named "${name}" with an enabled provider and service identity.`);
|
|
return row;
|
|
}
|
|
|
|
function postAssignmentMessage(
|
|
deps: AgentToolDeps,
|
|
ctx: AgentToolContext,
|
|
input: { taskId: string; title: string; description: string; assignee: RunnableAssignmentAgent },
|
|
): string {
|
|
const spaceId = deps.chat.ensureDirectSpace(
|
|
ctx.orgId,
|
|
{ type: "agent", id: ctx.agent.id },
|
|
{ type: "agent", id: input.assignee.id },
|
|
);
|
|
const body = [
|
|
`@${canonicalMentionHandle(input.assignee.name)} take task_id=${input.taskId}: ${input.title}.`,
|
|
input.description,
|
|
].join(" ");
|
|
const messageId = deps.chat.sendMessage({
|
|
orgId: ctx.orgId,
|
|
spaceId,
|
|
threadId: null,
|
|
senderType: "agent",
|
|
senderId: ctx.agent.id,
|
|
bodyMd: body,
|
|
attachmentFileIds: [],
|
|
});
|
|
const row = deps.db.prepare("select thread_id from chat_messages where id = ?").get(messageId) as { thread_id: string };
|
|
return row.thread_id;
|
|
}
|
|
|
|
function withSavepoint<T>(db: DatabaseSync, name: string, operation: () => T): T {
|
|
db.exec(`savepoint ${name}`);
|
|
try {
|
|
const result = operation();
|
|
db.exec(`release savepoint ${name}`);
|
|
return result;
|
|
} catch (error) {
|
|
db.exec(`rollback to savepoint ${name}`);
|
|
db.exec(`release savepoint ${name}`);
|
|
throw error;
|
|
}
|
|
}
|
|
|
|
function requireString(value: unknown, field: string): string {
|
|
if (typeof value !== "string" || !value.trim()) throw new Error(`"${field}" is required.`);
|
|
return value.trim();
|
|
}
|
|
|
|
function optionalString(value: unknown): string | null {
|
|
return typeof value === "string" && value.trim() ? value.trim() : null;
|
|
}
|
|
|
|
function optionalStringArray(value: unknown, field: string): string[] {
|
|
if (value === undefined) return [];
|
|
if (!Array.isArray(value)) throw new Error(`"${field}" must be an array.`);
|
|
return value.map((item, index) => requireString(item, `${field}[${index}]`));
|
|
}
|
|
|
|
function normalizeRisk(value: unknown): RiskLevel {
|
|
if (value === RISK_LEVEL.MEDIUM) return RISK_LEVEL.MEDIUM;
|
|
if (value === RISK_LEVEL.HIGH) return RISK_LEVEL.HIGH;
|
|
return RISK_LEVEL.LOW;
|
|
}
|
|
|
|
function normalizeStatus(value: unknown): string {
|
|
const allowed = [TASK_STATUS.BACKLOG, TASK_STATUS.IN_PROGRESS, TASK_STATUS.REVIEW, TASK_STATUS.DONE] as string[];
|
|
if (typeof value === "string" && allowed.includes(value)) return value;
|
|
throw new Error(`Invalid status. Use one of: ${allowed.join(", ")}.`);
|
|
}
|