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agent.ts
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import { Config } from "../config/config"
import z from "zod"
import { Provider } from "../provider/provider"
import { generateObject, type ModelMessage } from "ai"
import PROMPT_GENERATE from "./generate.txt"
import { SystemPrompt } from "../session/system"
import { Instance } from "../project/instance"
import { mergeDeep } from "remeda"
export namespace Agent {
export const Info = z
.object({
name: z.string(),
description: z.string().optional(),
mode: z.enum(["subagent", "primary", "all"]),
builtIn: z.boolean(),
topP: z.number().optional(),
temperature: z.number().optional(),
color: z.string().optional(),
permission: z.object({
edit: Config.Permission,
bash: z.record(z.string(), Config.Permission),
webfetch: Config.Permission.optional(),
doom_loop: Config.Permission.optional(),
external_directory: Config.Permission.optional(),
}),
model: z
.object({
modelID: z.string(),
providerID: z.string(),
})
.optional(),
prompt: z.string().optional(),
tools: z.record(z.string(), z.boolean()),
options: z.record(z.string(), z.any()),
maxSteps: z.number().int().positive().optional(),
})
.meta({
ref: "Agent",
})
export type Info = z.infer<typeof Info>
const state = Instance.state(async () => {
const cfg = await Config.get()
const defaultTools = cfg.tools ?? {}
const defaultPermission: Info["permission"] = {
edit: "allow",
bash: {
"*": "allow",
},
webfetch: "allow",
doom_loop: "ask",
external_directory: "ask",
}
const agentPermission = mergeAgentPermissions(defaultPermission, cfg.permission ?? {})
const planPermission = mergeAgentPermissions(
{
edit: "deny",
bash: {
"cut*": "allow",
"diff*": "allow",
"du*": "allow",
"file *": "allow",
"find * -delete*": "ask",
"find * -exec*": "ask",
"find * -fprint*": "ask",
"find * -fls*": "ask",
"find * -fprintf*": "ask",
"find * -ok*": "ask",
"find *": "allow",
"git diff*": "allow",
"git log*": "allow",
"git show*": "allow",
"git status*": "allow",
"git branch": "allow",
"git branch -v": "allow",
"grep*": "allow",
"head*": "allow",
"less*": "allow",
"ls*": "allow",
"more*": "allow",
"pwd*": "allow",
"rg*": "allow",
"sort --output=*": "ask",
"sort -o *": "ask",
"sort*": "allow",
"stat*": "allow",
"tail*": "allow",
"tree -o *": "ask",
"tree*": "allow",
"uniq*": "allow",
"wc*": "allow",
"whereis*": "allow",
"which*": "allow",
"*": "ask",
},
webfetch: "allow",
},
cfg.permission ?? {},
)
const result: Record<string, Info> = {
general: {
name: "general",
description: `General-purpose agent for researching complex questions and executing multi-step tasks. Use this agent to execute multiple units of work in parallel.`,
tools: {
todoread: false,
todowrite: false,
...defaultTools,
},
options: {},
permission: agentPermission,
mode: "subagent",
builtIn: true,
},
explore: {
name: "explore",
tools: {
todoread: false,
todowrite: false,
edit: false,
write: false,
...defaultTools,
},
description: `Fast agent specialized for exploring codebases. Use this when you need to quickly find files by patterns (eg. "src/components/**/*.tsx"), search code for keywords (eg. "API endpoints"), or answer questions about the codebase (eg. "how do API endpoints work?"). When calling this agent, specify the desired thoroughness level: "quick" for basic searches, "medium" for moderate exploration, or "very thorough" for comprehensive analysis across multiple locations and naming conventions.`,
prompt: [
`You are a file search specialist. You excel at thoroughly navigating and exploring codebases.`,
``,
`Your strengths:`,
`- Rapidly finding files using glob patterns`,
`- Searching code and text with powerful regex patterns`,
`- Reading and analyzing file contents`,
``,
`Guidelines:`,
`- Use Glob for broad file pattern matching`,
`- Use Grep for searching file contents with regex`,
`- Use Read when you know the specific file path you need to read`,
`- Use Bash for file operations like copying, moving, or listing directory contents`,
`- Adapt your search approach based on the thoroughness level specified by the caller`,
`- Return file paths as absolute paths in your final response`,
`- For clear communication, avoid using emojis`,
`- Do not create any files, or run bash commands that modify the user's system state in any way`,
``,
`Complete the user's search request efficiently and report your findings clearly.`,
].join("\n"),
options: {},
permission: agentPermission,
mode: "subagent",
builtIn: true,
},
build: {
name: "build",
tools: { ...defaultTools },
options: {},
permission: agentPermission,
mode: "primary",
builtIn: true,
},
plan: {
name: "plan",
options: {},
permission: planPermission,
tools: {
...defaultTools,
},
mode: "primary",
builtIn: true,
},
}
for (const [key, value] of Object.entries(cfg.agent ?? {})) {
if (value.disable) {
delete result[key]
continue
}
let item = result[key]
if (!item)
item = result[key] = {
name: key,
mode: "all",
permission: agentPermission,
options: {},
tools: {},
builtIn: false,
}
const {
name,
model,
prompt,
tools,
description,
temperature,
top_p,
mode,
permission,
color,
maxSteps,
...extra
} = value
item.options = {
...item.options,
...extra,
}
if (model) item.model = Provider.parseModel(model)
if (prompt) item.prompt = prompt
if (tools)
item.tools = {
...item.tools,
...tools,
}
item.tools = {
...defaultTools,
...item.tools,
}
if (description) item.description = description
if (temperature != undefined) item.temperature = temperature
if (top_p != undefined) item.topP = top_p
if (mode) item.mode = mode
if (color) item.color = color
// just here for consistency & to prevent it from being added as an option
if (name) item.name = name
if (maxSteps != undefined) item.maxSteps = maxSteps
if (permission ?? cfg.permission) {
item.permission = mergeAgentPermissions(cfg.permission ?? {}, permission ?? {})
}
}
return result
})
export async function get(agent: string) {
return state().then((x) => x[agent])
}
export async function list() {
return state().then((x) => Object.values(x))
}
export async function generate(input: { description: string }) {
const cfg = await Config.get()
const defaultModel = await Provider.defaultModel()
const model = await Provider.getModel(defaultModel.providerID, defaultModel.modelID)
const language = await Provider.getLanguage(model)
const system = SystemPrompt.header(defaultModel.providerID)
system.push(PROMPT_GENERATE)
const existing = await list()
const result = await generateObject({
experimental_telemetry: { isEnabled: cfg.experimental?.openTelemetry },
temperature: 0.3,
prompt: [
...system.map(
(item): ModelMessage => ({
role: "system",
content: item,
}),
),
{
role: "user",
content: `Create an agent configuration based on this request: \"${input.description}\".\n\nIMPORTANT: The following identifiers already exist and must NOT be used: ${existing.map((i) => i.name).join(", ")}\n Return ONLY the JSON object, no other text, do not wrap in backticks`,
},
],
model: language,
schema: z.object({
identifier: z.string(),
whenToUse: z.string(),
systemPrompt: z.string(),
}),
})
return result.object
}
}
function mergeAgentPermissions(basePermission: any, overridePermission: any): Agent.Info["permission"] {
if (typeof basePermission.bash === "string") {
basePermission.bash = {
"*": basePermission.bash,
}
}
if (typeof overridePermission.bash === "string") {
overridePermission.bash = {
"*": overridePermission.bash,
}
}
const merged = mergeDeep(basePermission ?? {}, overridePermission ?? {}) as any
let mergedBash
if (merged.bash) {
if (typeof merged.bash === "string") {
mergedBash = {
"*": merged.bash,
}
} else if (typeof merged.bash === "object") {
mergedBash = mergeDeep(
{
"*": "allow",
},
merged.bash,
)
}
}
const result: Agent.Info["permission"] = {
edit: merged.edit ?? "allow",
webfetch: merged.webfetch ?? "allow",
bash: mergedBash ?? { "*": "allow" },
doom_loop: merged.doom_loop,
external_directory: merged.external_directory,
}
return result
}