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flagon-io/g1t

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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 { SubagentDef, WorkspaceAgent } from "@g1t/contracts";
6
7import { agentStatus, budgetBlock, dayKey, monthKey } from "./budget.ts";
8import { type Definition, DEFAULT_AUTONOMY, DEFAULT_BUDGET, DEFAULT_ROUTING, PRESETS, readJson } from "./definition.ts";
9
10export type Row = {
11 id: string;
12 workspace_id: string;
13 handle: string;
14 display_name: string;
15 avatar: string | null;
16 role: string;
17 instructions: string;
18 personality_preset: string;
19 personality: string;
20 routing: string;
21 budget: string;
22 autonomy: string;
23 capacity: number;
24 template: string | null;
25 avatar_seed: string | null;
26 title: string | null;
27 team: string | null;
28 department: string | null;
29 responsibilities: string | null;
30 subagents: string | null;
31 faces: string | null;
32 reading?: string | null;
33 skills_off?: string | null;
34 version: number;
35 /** 1 for the workspace's built-in @g1t. */
36 builtin: number;
37 /** `workspace`, or `personal` (a member's own); missing before personal agents. */
38 scope?: string | null;
39 /** A personal agent's member: user id and username. */
40 owner_id?: string | null;
41 owner_username?: string | null;
42 busy_until: string | null;
43 created_by: string;
44 created_at: string;
45 updated_at: string;
46 archived_at: string | null;
47 /** Joined from agent_spend: this month and today. */
48 spent_month?: number | null;
49 spent_day?: number | null;
50};
51
52/**
53 * Agents with this month's and today's spend: `where` filters `agents`
54 * (aliased `a`); its parameters follow the two periods.
55 */
56export function selectAgents(where: string): string {
57 return `SELECT a.*, m.micros AS spent_month, d.micros AS spent_day FROM agents a
58 LEFT JOIN agent_spend m ON m.agent_id = a.id AND m.period = ?1
59 LEFT JOIN agent_spend d ON d.agent_id = a.id AND d.period = ?2
60 WHERE ${where}`;
61}
62
63export function periods(now: Date): [string, string] {
64 return [monthKey(now), dayKey(now)];
65}
66
67export function definitionOf(row: Row): Definition {
68 return {
69 handle: row.handle,
70 display_name: row.display_name,
71 role: row.role,
72 instructions: row.instructions,
73 personality_preset: PRESETS.includes(row.personality_preset as Definition["personality_preset"])
74 ? (row.personality_preset as Definition["personality_preset"])
75 : "crisp",
76 personality: row.personality,
77 routing: readJson(row.routing, DEFAULT_ROUTING),
78 budget: readJson(row.budget, DEFAULT_BUDGET),
79 autonomy: readJson(row.autonomy, DEFAULT_AUTONOMY),
80 capacity: row.capacity,
81 template: row.template,
82 avatar_seed: row.avatar_seed || row.handle,
83 title: row.title ?? "",
84 team: row.team ?? null,
85 department: row.department ?? "",
86 responsibilities: readList<string>(row.responsibilities),
87 subagents: readList<SubagentDef>(row.subagents),
88 faces: "internal",
89 reading: readList<string>(row.reading ?? null),
90 skills_off: readList<string>(row.skills_off ?? null),
91 };
92}
93
94export function toAgent(row: Row, now: Date): WorkspaceAgent {
95 const definition = definitionOf(row);
96 const spent = { month: row.spent_month ?? 0, day: row.spent_day ?? 0 };
97 return {
98 id: row.id,
99 workspace_id: row.workspace_id,
100 avatar: row.avatar,
101 ...definition,
102 builtin: !!row.builtin,
103 scope: isPersonal(row) ? "personal" : "workspace",
104 personal_owner_id: isPersonal(row) ? (row.owner_id ?? null) : null,
105 personal_owner: isPersonal(row) ? (row.owner_username ?? null) : null,
106 version: row.version,
107 status: row.archived_at ? "paused" : agentStatus({ busyUntil: row.busy_until, now, blocked: budgetBlock(definition.budget, spent, now) !== null }),
108 spent_month_micros: spent.month,
109 created_by: row.created_by,
110 created_at: row.created_at,
111 updated_at: row.updated_at,
112 archived_at: row.archived_at,
113 };
114}
115
116/** Whether a row is a member's personal agent. */
117export function isPersonal(row: Pick<Row, "scope">): boolean {
118 return row.scope === "personal";
119}
120
121/**
122 * Adds a charge to the paying agent's month and day: a reply's, or a
123 * session step's (`task`), counted as one of each.
124 */
125export function spendStatements(db: D1Database, agentId: string, micros: number, now: Date, task: "reply" | "session" = "reply"): D1PreparedStatement[] {
126 const [replies, sessions] = task === "reply" ? [1, 0] : [0, 1];
127 return periods(now).map((period) =>
128 db
129 .prepare(
130 `INSERT INTO agent_spend (agent_id, period, micros, replies, sessions) VALUES (?1, ?2, ?3, ?4, ?5)
131 ON CONFLICT (agent_id, period) DO UPDATE SET micros = micros + ?3, replies = replies + ?4, sessions = sessions + ?5`,
132 )
133 .bind(agentId, period, Math.max(0, Math.ceil(micros)), replies, sessions),
134 );
135}
136
137/** A stored JSON list, read defensively: anything else is empty. */
138function readList<T>(raw: string | null): T[] {
139 if (!raw) return [];
140 try {
141 const parsed = JSON.parse(raw) as unknown;
142 return Array.isArray(parsed) ? (parsed as T[]) : [];
143 } catch {
144 return [];
145 }
146}
147
148/**
149 * The agents table's definition columns, in the order `definitionColumns`
150 * gives their values. Statements are built from this one list, so a new
151 * field is added in one place.
152 */
153export const DEFINITION_COLUMNS = [
154 "handle",
155 "display_name",
156 "role",
157 "instructions",
158 "personality_preset",
159 "personality",
160 "routing",
161 "budget",
162 "autonomy",
163 "capacity",
164 "template",
165 "avatar_seed",
166 "title",
167 "team",
168 "department",
169 "responsibilities",
170 "subagents",
171 "faces",
172 "reading",
173 "skills_off",
174] as const;
175
176/** A definition's values, in `DEFINITION_COLUMNS` order. */
177export function definitionColumns(d: Definition): (string | number | null)[] {
178 return [
179 d.handle,
180 d.display_name,
181 d.role,
182 d.instructions,
183 d.personality_preset,
184 d.personality,
185 JSON.stringify(d.routing),
186 JSON.stringify(d.budget),
187 JSON.stringify(d.autonomy),
188 d.capacity,
189 d.template,
190 d.avatar_seed,
191 d.title,
192 d.team,
193 d.department,
194 JSON.stringify(d.responsibilities),
195 JSON.stringify(d.subagents),
196 d.faces,
197 JSON.stringify(d.reading ?? []),
198 JSON.stringify(d.skills_off ?? []),
199 ];
200}
201
202/**
203 * A new agent row: `id`, `workspace_id`, the definition, then `extra`
204 * columns (version, builtin, who made it, when), all bound in order.
205 */
206export function insertAgent(db: D1Database, id: string, workspaceId: string, d: Definition, extra: Record<string, string | number>, orIgnore = false): D1PreparedStatement {
207 const names = ["id", "workspace_id", ...DEFINITION_COLUMNS, ...Object.keys(extra)];
208 const values = [id, workspaceId, ...definitionColumns(d), ...Object.values(extra)];
209 return db
210 .prepare(`INSERT ${orIgnore ? "OR IGNORE " : ""}INTO agents (${names.join(", ")}) VALUES (${names.map(() => "?").join(", ")})`)
211 .bind(...values);
212}
213
214/** Sets a row's definition, from the version read only, with `extra` columns. */
215export function updateAgent(db: D1Database, id: string, readVersion: number, d: Definition, extra: Record<string, string | number>): D1PreparedStatement {
216 const names = [...DEFINITION_COLUMNS, ...Object.keys(extra)];
217 return db
218 .prepare(`UPDATE agents SET ${names.map((name) => `${name} = ?`).join(", ")} WHERE id = ? AND version = ?`)
219 .bind(...definitionColumns(d), ...Object.values(extra), id, readVersion);
220}
221
222/** A version of a definition, as saved. */
223export function versionStatement(db: D1Database, agentId: string, version: number, d: Definition, by: string, at: string): D1PreparedStatement {
224 return db
225 .prepare("INSERT INTO agent_versions (agent_id, version, definition, changed_by, created_at) VALUES (?, ?, ?, ?, ?)")
226 .bind(agentId, version, JSON.stringify(d), by, at);
227}