Jaspers Research: Research rooms where configurable analysts research companies in parallel over SEC filings data, answering with checked citations.
| 1 | import { parse as parseYaml, stringify as stringifyYaml } from 'yaml' |
| 2 | |
| 3 | // Analysts are files: frontmatter saying who one is and what it may use, then the instructions it |
| 4 | // works by. This is the reading and the writing of those files, and the merge of the plugin's presets |
| 5 | // with the user's own, pure so the format can be read in a test. A file that breaks a rule still |
| 6 | // becomes an analyst, carrying the error, so the room can show the user what to fix. |
| 7 | |
| 8 | export interface Analyst { |
| 9 | id: string |
| 10 | name: string |
| 11 | description: string |
| 12 | /** A model on the configured provider; null for the app's own. */ |
| 13 | model: string | null |
| 14 | /** Connection ids whose tools it gets; empty for every ready connection. */ |
| 15 | connections: string[] |
| 16 | /** Tool names it is limited to on those connections; empty for all of them. */ |
| 17 | tools: string[] |
| 18 | maxTurns: number |
| 19 | /** #rrggbb for its square, or null. */ |
| 20 | color: string | null |
| 21 | instructions: string |
| 22 | origin: 'preset' | 'user' |
| 23 | /** Why the file is not usable, worded for the user; null when it is. */ |
| 24 | error: string | null |
| 25 | } |
| 26 | |
| 27 | /** What save-analyst writes: an analyst without what reading one adds. */ |
| 28 | export interface AnalystInput { |
| 29 | id: string |
| 30 | name: string |
| 31 | description: string |
| 32 | instructions: string |
| 33 | model?: string | null |
| 34 | connections?: string[] |
| 35 | tools?: string[] |
| 36 | maxTurns?: number |
| 37 | color?: string | null |
| 38 | } |
| 39 | |
| 40 | export const ANALYST_ID = /^[a-z0-9][a-z0-9-]*$/ |
| 41 | export const INSTRUCTIONS_MAX = 10_000 |
| 42 | const NAME_MAX = 80 |
| 43 | const DESCRIPTION_MAX = 500 |
| 44 | const MODEL_MAX = 200 |
| 45 | const MAX_TURNS_DEFAULT = 50 |
| 46 | const MAX_TURNS_LIMIT = 200 |
| 47 | const COLOR = /^#[0-9a-fA-F]{6}$/ |
| 48 | const FIELDS = ['name', 'description', 'model', 'connections', 'tools', 'max-turns', 'color'] |
| 49 | /** The frontmatter: a --- line, anything, and the next line that is only ---. */ |
| 50 | const FRONTMATTER = /^---\n([\s\S]*?)^---[ \t]*$/m |
| 51 | |
| 52 | export function parseAnalyst(id: string, text: string, origin: Analyst['origin']): Analyst { |
| 53 | const analyst: Analyst = { |
| 54 | id, |
| 55 | name: id, |
| 56 | description: '', |
| 57 | model: null, |
| 58 | connections: [], |
| 59 | tools: [], |
| 60 | maxTurns: MAX_TURNS_DEFAULT, |
| 61 | color: null, |
| 62 | instructions: '', |
| 63 | origin, |
| 64 | error: null, |
| 65 | } |
| 66 | try { |
| 67 | if (!ANALYST_ID.test(id)) throw new Error('the file name has to be lower case letters, digits, and dashes, then .md') |
| 68 | const normalized = text.replace(/^/, '').replace(/\r\n?/g, '\n') |
| 69 | const match = FRONTMATTER.exec(normalized) |
| 70 | if (!match || match.index !== 0) throw new Error('the file has to start with a --- line, then the frontmatter, then a closing --- line') |
| 71 | const data = frontmatter(match[1] ?? '') |
| 72 | const unknown = Object.keys(data).filter((key) => !FIELDS.includes(key)) |
| 73 | if (unknown.length > 0) throw new Error(`unknown field ${unknown.join(', ')}; the fields are ${FIELDS.join(', ')}`) |
| 74 | analyst.name = textField(data['name'], 'name', NAME_MAX, true) |
| 75 | analyst.description = textField(data['description'], 'description', DESCRIPTION_MAX, false) |
| 76 | analyst.model = textField(data['model'], 'model', MODEL_MAX, false) || null |
| 77 | analyst.connections = names(data['connections'], 'connections') |
| 78 | analyst.tools = names(data['tools'], 'tools') |
| 79 | analyst.maxTurns = turns(data['max-turns']) |
| 80 | analyst.color = color(data['color']) |
| 81 | const body = normalized.slice(match[0].length).trim() |
| 82 | if (body === '') throw new Error('the instructions, the text after the frontmatter, are empty') |
| 83 | if (body.length > INSTRUCTIONS_MAX) throw new Error(`the instructions are ${body.length} characters; the most is ${INSTRUCTIONS_MAX}`) |
| 84 | analyst.instructions = body |
| 85 | } catch (err) { |
| 86 | analyst.error = err instanceof Error ? err.message : String(err) |
| 87 | } |
| 88 | return analyst |
| 89 | } |
| 90 | |
| 91 | export function serializeAnalyst(input: AnalystInput): string { |
| 92 | const front: Record<string, unknown> = { name: input.name.trim() } |
| 93 | if (input.description.trim()) front['description'] = input.description.trim() |
| 94 | if (input.model?.trim()) front['model'] = input.model.trim() |
| 95 | if (input.connections?.length) front['connections'] = input.connections |
| 96 | if (input.tools?.length) front['tools'] = input.tools |
| 97 | if (input.maxTurns !== undefined && input.maxTurns !== MAX_TURNS_DEFAULT) front['max-turns'] = input.maxTurns |
| 98 | if (input.color) front['color'] = input.color |
| 99 | return `---\n${stringifyYaml(front, { lineWidth: 0 }).trimEnd()}\n---\n\n${input.instructions.trim()}\n` |
| 100 | } |
| 101 | |
| 102 | /** The presets with the user's files over them by id, sorted by name for the roster. */ |
| 103 | export function mergeAnalysts(presets: Analyst[], users: Analyst[]): Analyst[] { |
| 104 | const byId = new Map<string, Analyst>() |
| 105 | for (const analyst of presets) byId.set(analyst.id, analyst) |
| 106 | for (const analyst of users) byId.set(analyst.id, analyst) |
| 107 | return [...byId.values()].sort((a, b) => a.name.localeCompare(b.name) || a.id.localeCompare(b.id)) |
| 108 | } |
| 109 | |
| 110 | /** The id a file gives an analyst, or null for a file that is not one. */ |
| 111 | export function analystIdOf(path: string): string | null { |
| 112 | const name = path.slice(path.lastIndexOf('/') + 1) |
| 113 | return name.endsWith('.md') ? name.slice(0, -'.md'.length) : null |
| 114 | } |
| 115 | |
| 116 | /** An analyst as a list shows it: everything but the instructions. */ |
| 117 | export function summaryOf(analyst: Analyst): Omit<Analyst, 'instructions'> { |
| 118 | const { instructions: _instructions, ...rest } = analyst |
| 119 | return rest |
| 120 | } |
| 121 | |
| 122 | function frontmatter(source: string): Record<string, unknown> { |
| 123 | let data: unknown |
| 124 | try { |
| 125 | data = source.trim() === '' ? {} : parseYaml(source) |
| 126 | } catch (err) { |
| 127 | throw new Error(`the frontmatter is not valid YAML: ${(err instanceof Error ? err.message : String(err)).split('\n')[0]}`) |
| 128 | } |
| 129 | if (typeof data !== 'object' || data === null || Array.isArray(data)) throw new Error('the frontmatter has to be key: value lines') |
| 130 | return data as Record<string, unknown> |
| 131 | } |
| 132 | |
| 133 | function textField(value: unknown, field: string, max: number, required: boolean): string { |
| 134 | if (value === undefined || value === null || value === '') { |
| 135 | if (required) throw new Error(`${field} is missing`) |
| 136 | return '' |
| 137 | } |
| 138 | if (typeof value !== 'string' && typeof value !== 'number') throw new Error(`${field} has to be text`) |
| 139 | const text = String(value).trim() |
| 140 | if (required && text === '') throw new Error(`${field} is missing`) |
| 141 | if (text.length > max) throw new Error(`${field} is ${text.length} characters; the most is ${max}`) |
| 142 | return text |
| 143 | } |
| 144 | |
| 145 | function names(value: unknown, field: string): string[] { |
| 146 | if (value === undefined || value === null || value === '') return [] |
| 147 | const list: unknown = typeof value === 'string' ? [value] : value |
| 148 | if (!Array.isArray(list) || !list.every((item) => typeof item === 'string' && item.trim() !== '')) { |
| 149 | throw new Error(`${field} has to be a list of names, like [research/jaspers]`) |
| 150 | } |
| 151 | return [...new Set(list.map((item: string) => item.trim()))] |
| 152 | } |
| 153 | |
| 154 | function turns(value: unknown): number { |
| 155 | if (value === undefined || value === null || value === '') return MAX_TURNS_DEFAULT |
| 156 | if (typeof value !== 'number' || !Number.isInteger(value) || value < 1 || value > MAX_TURNS_LIMIT) { |
| 157 | throw new Error(`max-turns has to be a whole number from 1 to ${MAX_TURNS_LIMIT}`) |
| 158 | } |
| 159 | return value |
| 160 | } |
| 161 | |
| 162 | function color(value: unknown): string | null { |
| 163 | if (value === undefined || value === null || value === '') return null |
| 164 | if (typeof value !== 'string' || !COLOR.test(value)) throw new Error('color has to be #rrggbb in quotes, like "#1E3A5F"') |
| 165 | return value |
| 166 | } |
| 167 | |
| 168 | /** Words that say what someone is rather than which one; a loose name is matched without them. */ |
| 169 | const GENERIC = new Set(['analyst', 'analysts', 'researcher', 'research', 'agent', 'expert', 'specialist', 'the', 'a', 'an']) |
| 170 | |
| 171 | /** |
| 172 | * The analysts a model asked for, found the forgiving way, since models name them loosely: the exact |
| 173 | * id, then the name or its slug ("Risk Analyst", "fact checker"), then the one analyst whose id words |
| 174 | * are all in the request ("ownership-researcher" is ownership), the most specific when several are. |
| 175 | * What matches nothing, or only a broken file, comes back as unmatched instead of failing the rest. |
| 176 | */ |
| 177 | export function resolveAnalysts(all: Analyst[], requested: string[]): { ids: string[]; unmatched: string[] } { |
| 178 | const usable = all.filter((a) => a.error === null) |
| 179 | const ids: string[] = [] |
| 180 | const unmatched: string[] = [] |
| 181 | for (const raw of requested) { |
| 182 | const wanted = raw.trim() |
| 183 | if (!wanted) continue |
| 184 | const found = matchAnalyst(usable, wanted) |
| 185 | if (found === null) unmatched.push(wanted) |
| 186 | else if (!ids.includes(found)) ids.push(found) |
| 187 | } |
| 188 | return { ids, unmatched } |
| 189 | } |
| 190 | |
| 191 | function matchAnalyst(usable: Analyst[], wanted: string): string | null { |
| 192 | const exact = usable.find((a) => a.id === wanted) |
| 193 | if (exact) return exact.id |
| 194 | const byName = usable.filter((a) => a.name.toLowerCase() === wanted.toLowerCase() || a.id === words(wanted).join('-')) |
| 195 | if (byName.length === 1) return byName[0]!.id |
| 196 | const asked = new Set(words(wanted).filter((w) => !GENERIC.has(w))) |
| 197 | if (asked.size === 0) return null |
| 198 | const covered = usable.filter((a) => { |
| 199 | const own = words(a.id).filter((w) => !GENERIC.has(w)) |
| 200 | return own.length > 0 && own.every((w) => asked.has(w)) |
| 201 | }) |
| 202 | if (covered.length === 0) return null |
| 203 | const most = Math.max(...covered.map((a) => words(a.id).length)) |
| 204 | const best = covered.filter((a) => words(a.id).length === most) |
| 205 | return best.length === 1 ? best[0]!.id : null |
| 206 | } |
| 207 | |
| 208 | function words(text: string): string[] { |
| 209 | return text.toLowerCase().split(/[^a-z0-9]+/).filter(Boolean) |
| 210 | } |