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1/**
2 * The agent form (components/agents-mode.tsx) as the agents service takes
3 * it: what each field means, and the checks made before it is sent. Pure,
4 * so it is tested on its own.
5 */
6import type { ModelTier, NewWorkspaceAgent, PersonalityPreset, SubagentDef, WorkspaceAgent } from "@g1t/contracts";
7
8/** The tiers, cheapest first: `MODEL_TIERS` in the contracts. */
9const MODEL_TIERS: ModelTier[] = ["small", "large", "frontier"];
10
11export const PRESETS: { value: PersonalityPreset; label: string; about: string }[] = [
12 { value: "crisp", label: "Crisp", about: "Clear and to the point, with enough context to act on." },
13 { value: "friendly", label: "Friendly", about: "Warm and encouraging; explains as it goes." },
14 { value: "socratic", label: "Socratic", about: "Asks before it assumes; draws out what you mean." },
15 { value: "terse", label: "Terse operator", about: "As few words as will do. Status, then done." },
16];
17
18export const TIER_LABELS: Record<ModelTier, string> = {
19 small: "Fast: replies and triage",
20 large: "Standard: making changes, most reviews",
21 frontier: "Most capable: planning and hard work",
22};
23
24export const AUTONOMY = {
25 open_pull_requests: { label: "Open pull requests", options: [["alone", "On its own"], ["approval", "After approval"]] },
26 merge: { label: "Merge", options: [["alone", "On its own"], ["approval", "After approval"], ["never", "Never"]] },
27 deploy_production: { label: "Deploy to production", options: [["approval", "After approval"], ["never", "Never"]] },
28 edit_docs: { label: "Edit docs", options: [["alone", "Directly"], ["suggest", "As suggestions"]] },
29} as const;
30
31/** The handle as people type it: lowercase letters, digits and dashes. */
32export function cleanHandle(typed: string): string {
33 return typed
34 .trim()
35 .toLowerCase()
36 .replace(/^@/, "")
37 .replace(/[\s_]+/g, "-")
38 .replace(/[^a-z0-9-]/g, "")
39 .replace(/-{2,}/g, "-")
40 .replace(/^-|-$/g, "")
41 .slice(0, 39);
42}
43
44/** Handles the site's own addresses use, and g1t's: never an agent's. */
45const RESERVED_HANDLES = new Set(["g1t", "new", "runs", "fleet"]);
46
47function tier(value: FormDataEntryValue | null): ModelTier | null {
48 const text = String(value ?? "");
49 return (MODEL_TIERS as string[]).includes(text) ? (text as ModelTier) : null;
50}
51
52function pick<T extends string>(value: FormDataEntryValue | null, allowed: readonly (readonly [T, string])[], fallback: T): T {
53 const text = String(value ?? "");
54 return (allowed.find(([key]) => key === text)?.[0] ?? fallback) as T;
55}
56
57export type AgentFormResult = { ok: true; input: NewWorkspaceAgent } | { ok: false; errors: Record<string, string> };
58
59/** The form, checked: the agent to make or the changes to save, or what to fix, by field. */
60export function readAgentForm(form: FormData, options: { orchestrator?: boolean } = {}): AgentFormResult {
61 const errors: Record<string, string> = {};
62 const display_name = String(form.get("display_name") ?? "").trim();
63 const handle = cleanHandle(String(form.get("handle") ?? "") || display_name);
64 const title = String(form.get("title") ?? "").trim();
65 // A team from the workspace's, or else a department label.
66 const team = String(form.get("team") ?? "").trim();
67 const department = String(form.get("department") ?? "").trim();
68 const responsibilities = form
69 .getAll("responsibility")
70 .map((value) => String(value).trim())
71 .filter(Boolean)
72 .slice(0, MAX_RESPONSIBILITIES);
73 const subagents = readSubagents(form.get("subagents"));
74 const instructions = String(form.get("instructions") ?? "").trim();
75 if (!display_name) errors.display_name = "Give it a name.";
76 if (!handle) errors.handle = "Give it a handle, like @ship.";
77 else if (RESERVED_HANDLES.has(handle) && !(options.orchestrator && handle === "g1t")) errors.handle = `@${handle} is taken by g1t.`;
78 if (!title && !options.orchestrator) errors.title = "Give it a title, like QA Engineer.";
79 if (subagents == null) errors.subagents = "The subagents couldn't be read. Edit one and save again.";
80 // g1t's job is fixed; what is written here is added to it, and may be nothing.
81 if (!instructions && !options.orchestrator) errors.instructions = "Tell it what it's responsible for.";
82 const floor = tier(form.get("floor"));
83 const ceiling = tier(form.get("ceiling"));
84 if (floor && ceiling && MODEL_TIERS.indexOf(floor) > MODEL_TIERS.indexOf(ceiling)) errors.ceiling = "The ceiling can't be below the floor.";
85 const budget = {
86 monthly_micros: microsFromDollars(form.get("monthly")),
87 daily_micros: microsFromDollars(form.get("daily")),
88 task_micros: microsFromDollars(form.get("task")),
89 };
90 for (const [field, value] of [["monthly", budget.monthly_micros], ["daily", budget.daily_micros], ["task", budget.task_micros]] as const) {
91 if (value != null && Number.isNaN(value)) errors[field] = "A sum in dollars, like 25.";
92 }
93 const capacity = Number(form.get("capacity") ?? 3);
94 if (!Number.isInteger(capacity) || capacity < 1 || capacity > 20) errors.capacity = "Between 1 and 20.";
95 const providers = String(form.get("providers") ?? "any");
96 const pinned = String(form.get("pinned") ?? "").trim();
97 if (pinned && !/^[\w.-]+\/[\w.:@-]+$/.test(pinned)) errors.pinned = "As provider/model.";
98 if (Object.keys(errors).length > 0) return { ok: false, errors };
99 return {
100 ok: true,
101 input: {
102 handle,
103 display_name,
104 // Made from the title and team by the agents service.
105 role: "",
106 title,
107 team: team && team !== "none" ? team : null,
108 department,
109 responsibilities,
110 subagents: subagents ?? [],
111 instructions,
112 personality_preset: pick(form.get("personality_preset"), PRESETS.map((p) => [p.value, p.label] as const), "crisp"),
113 personality: String(form.get("personality") ?? "").trim(),
114 routing: {
115 floor,
116 ceiling,
117 providers: providers === "any" ? [] : [providers],
118 pinned: pinned || null,
119 },
120 budget,
121 autonomy: {
122 open_pull_requests: pick(form.get("open_pull_requests"), AUTONOMY.open_pull_requests.options, "alone"),
123 merge: pick(form.get("merge"), AUTONOMY.merge.options, "approval"),
124 deploy_production: pick(form.get("deploy_production"), AUTONOMY.deploy_production.options, "approval"),
125 edit_docs: pick(form.get("edit_docs"), AUTONOMY.edit_docs.options, "suggest"),
126 },
127 capacity,
128 template: String(form.get("template") ?? "") || null,
129 },
130 };
131}
132
133/** Most responsibilities an agent lists. */
134export const MAX_RESPONSIBILITIES = 8;
135
136/** The subagents, as the form sends them (JSON); null when they are not valid. */
137function readSubagents(value: FormDataEntryValue | null): SubagentDef[] | null {
138 const text = String(value ?? "").trim();
139 if (!text) return [];
140 try {
141 const parsed = JSON.parse(text) as unknown;
142 if (!Array.isArray(parsed)) return null;
143 return parsed.filter(
144 (item): item is SubagentDef =>
145 item != null && typeof item === "object" && typeof (item as SubagentDef).name === "string" && typeof (item as SubagentDef).description === "string",
146 );
147 } catch {
148 return null;
149 }
150}
151
152/** A subagent's name: lowercase letters, digits and hyphens. */
153export function cleanSubagentName(typed: string): string {
154 return cleanHandle(typed).slice(0, 40);
155}
156
157/**
158 * A subagent's routing limits, kept within its agent's: a floor below the
159 * agent's is raised to it, a ceiling above the agent's is lowered to it,
160 * and a floor above the ceiling comes down to it.
161 */
162export function clampRouting(
163 sub: { floor: ModelTier | null; ceiling: ModelTier | null },
164 agent: { floor: ModelTier | null; ceiling: ModelTier | null },
165): { floor: ModelTier | null; ceiling: ModelTier | null } {
166 const rank = (tier: ModelTier) => MODEL_TIERS.indexOf(tier);
167 let floor = sub.floor;
168 let ceiling = sub.ceiling;
169 if (agent.floor && (!floor || rank(floor) < rank(agent.floor))) floor = agent.floor;
170 if (agent.ceiling && (!ceiling || rank(ceiling) > rank(agent.ceiling))) ceiling = agent.ceiling;
171 if (floor && ceiling && rank(floor) > rank(ceiling)) floor = ceiling;
172 return { floor, ceiling };
173}
174
175/** What the form starts from: an agent being edited, a template, or nothing. */
176export type AgentDraft = Pick<
177 WorkspaceAgent,
178 | "handle"
179 | "display_name"
180 | "role"
181 | "title"
182 | "team"
183 | "department"
184 | "responsibilities"
185 | "subagents"
186 | "instructions"
187 | "personality_preset"
188 | "personality"
189 | "routing"
190 | "budget"
191 | "autonomy"
192 | "capacity"
193 | "template"
194>;
195
196export const BLANK_DRAFT: AgentDraft = {
197 handle: "",
198 display_name: "",
199 role: "",
200 title: "",
201 team: null,
202 department: "",
203 responsibilities: [],
204 subagents: [],
205 instructions: "",
206 personality_preset: "crisp",
207 personality: "",
208 routing: { floor: null, ceiling: null, providers: [], pinned: null },
209 budget: { monthly_micros: 50_000_000, daily_micros: null, task_micros: 5_000_000 },
210 autonomy: { open_pull_requests: "alone", merge: "approval", deploy_production: "approval", edit_docs: "suggest" },
211 capacity: 3,
212 template: null,
213};
214
215/** Dollars from micro-dollars, for a form field: empty for none. */
216export function dollarsField(micros: number | null | undefined): string {
217 if (micros == null) return "";
218 const dollars = micros / 1_000_000;
219 return Number.isInteger(dollars) ? String(dollars) : dollars.toFixed(2);
220}
221
222/** Micro-dollars from a form field in dollars: null when empty, NaN when not a sum. */
223export function microsFromDollars(value: FormDataEntryValue | null): number | null {
224 const text = String(value ?? "").trim().replace(/^\$/, "").replaceAll(",", "");
225 if (!text) return null;
226 const dollars = Number(text);
227 if (!Number.isFinite(dollars) || dollars < 0) return Number.NaN;
228 return Math.round(dollars * 1_000_000);
229}
230
231/** "$12.40" from micro-dollars. */
232export function formatDollars(micros: number): string {
233 const dollars = micros / 1_000_000;
234 return `$${dollars < 10 && dollars > 0 && !Number.isInteger(dollars) ? dollars.toFixed(2) : dollars.toLocaleString("en-US", { maximumFractionDigits: 2, minimumFractionDigits: Number.isInteger(dollars) ? 0 : 2 })}`;
235}
236