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1/**
2 * Agents as stored in D1, and their spend. Shared by the RPC methods and
3 * the desk.
4 */
5import type { AgentAbilities, SubagentDef, WorkspaceAgent } from "@g1t/contracts";
6
7import { agentStatus, budgetBlock, dayKey, monthKey } from "./budget.ts";
8import { EMPTY_ABILITIES } from "../../../packages/contracts/src/abilities.ts";
9import { type Definition, DEFAULT_AUTONOMY, DEFAULT_BUDGET, DEFAULT_ROUTING, legacyRoleOf, PRESETS, readJson } from "./definition.ts";
10
11export type Row = {
12 id: string;
13 workspace_id: string;
14 handle: string;
15 display_name: string;
16 avatar: string | null;
17 role: string;
18 instructions: string;
19 personality_preset: string;
20 personality: string;
21 routing: string;
22 budget: string;
23 autonomy: string;
24 capacity: number;
25 template: string | null;
26 avatar_seed: string | null;
27 title: string | null;
28 /**
29 * Unused columns from when an agent carried its own team and department.
30 * Teams are memberships in identity now; `team` is read once, by the move
31 * to them (team-move.ts), and `role` made from them follows the title.
32 */
33 team?: string | null;
34 department?: string | null;
35 responsibilities: string | null;
36 subagents: string | null;
37 faces: string | null;
38 reading?: string | null;
39 skills_off?: string | null;
40 /** Its abilities (JSON); missing before abilities. */
41 abilities?: string | null;
42 version: number;
43 /** 1 for the workspace's built-in @g1t. */
44 builtin: number;
45 /** `workspace`, or `personal` (a member's own); missing before personal agents. */
46 scope?: string | null;
47 /** A personal agent's member: user id and username. */
48 owner_id?: string | null;
49 owner_username?: string | null;
50 busy_until: string | null;
51 created_by: string;
52 created_at: string;
53 updated_at: string;
54 archived_at: string | null;
55 /** Joined from agent_spend: this month and today. */
56 spent_month?: number | null;
57 spent_day?: number | null;
58};
59
60/**
61 * Agents with this month's and today's spend: `where` filters `agents`
62 * (aliased `a`); its parameters follow the two periods.
63 */
64export function selectAgents(where: string): string {
65 return `SELECT a.*, m.micros AS spent_month, d.micros AS spent_day FROM agents a
66 LEFT JOIN agent_spend m ON m.agent_id = a.id AND m.period = ?1
67 LEFT JOIN agent_spend d ON d.agent_id = a.id AND d.period = ?2
68 WHERE ${where}`;
69}
70
71export function periods(now: Date): [string, string] {
72 return [monthKey(now), dayKey(now)];
73}
74
75export function definitionOf(row: Row): Definition {
76 const title = row.title ?? "";
77 // A role made from the title and its old team or department is the title alone.
78 const made = (row.team || row.department?.trim()) && row.role === legacyRoleOf(title, row.team ?? null, row.department ?? null);
79 return {
80 handle: row.handle,
81 display_name: row.display_name,
82 role: made && title.trim() ? title.trim() : row.role,
83 instructions: row.instructions,
84 personality_preset: PRESETS.includes(row.personality_preset as Definition["personality_preset"])
85 ? (row.personality_preset as Definition["personality_preset"])
86 : "crisp",
87 personality: row.personality,
88 routing: readJson(row.routing, DEFAULT_ROUTING),
89 budget: readJson(row.budget, DEFAULT_BUDGET),
90 autonomy: readJson(row.autonomy, DEFAULT_AUTONOMY),
91 capacity: row.capacity,
92 template: row.template,
93 avatar_seed: row.avatar_seed || row.handle,
94 title,
95 responsibilities: readList<string>(row.responsibilities),
96 subagents: readList<SubagentDef>(row.subagents),
97 faces: "internal",
98 reading: readList<string>(row.reading ?? null),
99 skills_off: readList<string>(row.skills_off ?? null),
100 abilities: abilitiesRead(row.abilities ?? null),
101 };
102}
103
104/** A stored abilities column, read defensively: settings by id and the MCP servers, each a list or an object or nothing. */
105function abilitiesRead(raw: string | null): AgentAbilities {
106 const read = readJson<Partial<AgentAbilities>>(raw, {});
107 return {
108 settings: read.settings && typeof read.settings === "object" && !Array.isArray(read.settings) ? read.settings : {},
109 mcp_servers: Array.isArray(read.mcp_servers) ? read.mcp_servers : EMPTY_ABILITIES.mcp_servers,
110 };
111}
112
113export function toAgent(row: Row, now: Date): WorkspaceAgent {
114 const definition = definitionOf(row);
115 const spent = { month: row.spent_month ?? 0, day: row.spent_day ?? 0 };
116 return {
117 id: row.id,
118 workspace_id: row.workspace_id,
119 avatar: row.avatar,
120 ...definition,
121 builtin: !!row.builtin,
122 scope: isPersonal(row) ? "personal" : "workspace",
123 personal_owner_id: isPersonal(row) ? (row.owner_id ?? null) : null,
124 personal_owner: isPersonal(row) ? (row.owner_username ?? null) : null,
125 version: row.version,
126 status: row.archived_at ? "paused" : agentStatus({ busyUntil: row.busy_until, now, blocked: budgetBlock(definition.budget, spent, now) !== null }),
127 spent_month_micros: spent.month,
128 created_by: row.created_by,
129 created_at: row.created_at,
130 updated_at: row.updated_at,
131 archived_at: row.archived_at,
132 };
133}
134
135/** Whether a row is a member's personal agent. */
136export function isPersonal(row: Pick<Row, "scope">): boolean {
137 return row.scope === "personal";
138}
139
140/**
141 * Adds a charge to the paying agent's month and day: a reply's, or a
142 * session step's (`task`), counted as one of each.
143 */
144export function spendStatements(db: D1Database, agentId: string, micros: number, now: Date, task: "reply" | "session" = "reply"): D1PreparedStatement[] {
145 const [replies, sessions] = task === "reply" ? [1, 0] : [0, 1];
146 return periods(now).map((period) =>
147 db
148 .prepare(
149 `INSERT INTO agent_spend (agent_id, period, micros, replies, sessions) VALUES (?1, ?2, ?3, ?4, ?5)
150 ON CONFLICT (agent_id, period) DO UPDATE SET micros = micros + ?3, replies = replies + ?4, sessions = sessions + ?5`,
151 )
152 .bind(agentId, period, Math.max(0, Math.ceil(micros)), replies, sessions),
153 );
154}
155
156/** A stored JSON list, read defensively: anything else is empty. */
157function readList<T>(raw: string | null): T[] {
158 if (!raw) return [];
159 try {
160 const parsed = JSON.parse(raw) as unknown;
161 return Array.isArray(parsed) ? (parsed as T[]) : [];
162 } catch {
163 return [];
164 }
165}
166
167/**
168 * The agents table's definition columns, in the order `definitionColumns`
169 * gives their values. Statements are built from this one list, so a new
170 * field is added in one place.
171 */
172export const DEFINITION_COLUMNS = [
173 "handle",
174 "display_name",
175 "role",
176 "instructions",
177 "personality_preset",
178 "personality",
179 "routing",
180 "budget",
181 "autonomy",
182 "capacity",
183 "template",
184 "avatar_seed",
185 "title",
186 "responsibilities",
187 "subagents",
188 "faces",
189 "reading",
190 "skills_off",
191 "abilities",
192] as const;
193
194/** A definition's values, in `DEFINITION_COLUMNS` order. */
195export function definitionColumns(d: Definition): (string | number | null)[] {
196 return [
197 d.handle,
198 d.display_name,
199 d.role,
200 d.instructions,
201 d.personality_preset,
202 d.personality,
203 JSON.stringify(d.routing),
204 JSON.stringify(d.budget),
205 JSON.stringify(d.autonomy),
206 d.capacity,
207 d.template,
208 d.avatar_seed,
209 d.title,
210 JSON.stringify(d.responsibilities),
211 JSON.stringify(d.subagents),
212 d.faces,
213 JSON.stringify(d.reading ?? []),
214 JSON.stringify(d.skills_off ?? []),
215 JSON.stringify(d.abilities ?? EMPTY_ABILITIES),
216 ];
217}
218
219/**
220 * A new agent row: `id`, `workspace_id`, the definition, then `extra`
221 * columns (version, builtin, who made it, when), all bound in order.
222 */
223export function insertAgent(db: D1Database, id: string, workspaceId: string, d: Definition, extra: Record<string, string | number>, orIgnore = false): D1PreparedStatement {
224 const names = ["id", "workspace_id", ...DEFINITION_COLUMNS, ...Object.keys(extra)];
225 const values = [id, workspaceId, ...definitionColumns(d), ...Object.values(extra)];
226 return db
227 .prepare(`INSERT ${orIgnore ? "OR IGNORE " : ""}INTO agents (${names.join(", ")}) VALUES (${names.map(() => "?").join(", ")})`)
228 .bind(...values);
229}
230
231/** Sets a row's definition, from the version read only, with `extra` columns. */
232export function updateAgent(db: D1Database, id: string, readVersion: number, d: Definition, extra: Record<string, string | number>): D1PreparedStatement {
233 const names = [...DEFINITION_COLUMNS, ...Object.keys(extra)];
234 return db
235 .prepare(`UPDATE agents SET ${names.map((name) => `${name} = ?`).join(", ")} WHERE id = ? AND version = ?`)
236 .bind(...definitionColumns(d), ...Object.values(extra), id, readVersion);
237}
238
239/** A version of a definition, as saved. */
240export function versionStatement(db: D1Database, agentId: string, version: number, d: Definition, by: string, at: string): D1PreparedStatement {
241 return db
242 .prepare("INSERT INTO agent_versions (agent_id, version, definition, changed_by, created_at) VALUES (?, ?, ?, ?, ?)")
243 .bind(agentId, version, JSON.stringify(d), by, at);
244}