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core: refactor tool system to remove agent context from initialization (#21052)

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This commit is contained in:
Dax
2026-04-07 19:48:12 -04:00
committed by GitHub
parent 7afb517a1a
commit 463318486f
25 changed files with 468 additions and 513 deletions
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63
packages/opencode/src/tool/task.ts
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@@ -4,47 +4,37 @@ import z from "zod"
import { Session } from "../session"
import { SessionID, MessageID } from "../session/schema"
import { MessageV2 } from "../session/message-v2"
import { Identifier } from "../id/id"
import { Agent } from "../agent/agent"
import { SessionPrompt } from "../session/prompt"
import { iife } from "@/util/iife"
import { defer } from "@/util/defer"
import { Config } from "../config/config"
import { Permission } from "@/permission"
import { Effect } from "effect"
const parameters = z.object({
description: z.string().describe("A short (3-5 words) description of the task"),
prompt: z.string().describe("The task for the agent to perform"),
subagent_type: z.string().describe("The type of specialized agent to use for this task"),
task_id: z
.string()
.describe(
"This should only be set if you mean to resume a previous task (you can pass a prior task_id and the task will continue the same subagent session as before instead of creating a fresh one)",
)
.optional(),
command: z.string().describe("The command that triggered this task").optional(),
})
export const TaskTool = Tool.define("task", async (ctx) => {
export const TaskTool = Tool.define("task", async () => {
const agents = await Agent.list().then((x) => x.filter((a) => a.mode !== "primary"))
const list = agents.toSorted((a, b) => a.name.localeCompare(b.name))
const agentList = list
.map((a) => `- ${a.name}: ${a.description ?? "This subagent should only be called manually by the user."}`)
.join("\n")
const description = [`Available agent types and the tools they have access to:`, agentList].join("\n")
// Filter agents by permissions if agent provided
const caller = ctx?.agent
const accessibleAgents = caller
? agents.filter((a) => Permission.evaluate("task", a.name, caller.permission).action !== "deny")
: agents
const list = accessibleAgents.toSorted((a, b) => a.name.localeCompare(b.name))
const description = DESCRIPTION.replace(
"{agents}",
list
.map((a) => `- ${a.name}: ${a.description ?? "This subagent should only be called manually by the user."}`)
.join("\n"),
)
return {
description,
parameters,
async execute(params: z.infer<typeof parameters>, ctx) {
parameters: z.object({
description: z.string().describe("A short (3-5 words) description of the task"),
prompt: z.string().describe("The task for the agent to perform"),
subagent_type: z.string().describe("The type of specialized agent to use for this task"),
task_id: z
.string()
.describe(
"This should only be set if you mean to resume a previous task (you can pass a prior task_id and the task will continue the same subagent session as before instead of creating a fresh one)",
)
.optional(),
command: z.string().describe("The command that triggered this task").optional(),
}),
async execute(params, ctx) {
const config = await Config.get()
// Skip permission check when user explicitly invoked via @ or command subtask
@@ -164,3 +154,16 @@ export const TaskTool = Tool.define("task", async (ctx) => {
},
}
})
export const TaskDescription: Tool.DynamicDescription = (agent) =>
Effect.gen(function* () {
const agents = yield* Effect.promise(() => Agent.list().then((x) => x.filter((a) => a.mode !== "primary")))
const accessibleAgents = agents.filter(
(a) => Permission.evaluate("task", a.name, agent.permission).action !== "deny",
)
const list = accessibleAgents.toSorted((a, b) => a.name.localeCompare(b.name))
const description = list
.map((a) => `- ${a.name}: ${a.description ?? "This subagent should only be called manually by the user."}`)
.join("\n")
return [`Available agent types and the tools they have access to:`, description].join("\n")
})