File size: 3,484 Bytes
fdc8b59 2c4e38d fdc8b59 2c4e38d fdc8b59 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 | import { randomUUID } from 'crypto'
import { z } from 'zod'
import { getTotalTokensUsed } from '../../bootstrap/state.js'
import { getTotalCost } from '../../cost-tracker.js'
import { buildTool, type ToolDef } from '../../Tool.js'
import { lazySchema } from '../../utils/lazySchema.js'
import { jsonStringify } from '../../utils/slowOperations.js'
import {
formatGoalStatus,
isGoalInactive,
} from '../../utils/goal.js'
import {
saveGoal,
} from '../../utils/sessionStorage.js'
import {
CREATE_GOAL_TOOL_NAME,
CREATE_GOAL_TOOL_PROMPT,
DESCRIPTION,
} from './prompt.js'
import { renderToolResultMessage, renderToolUseMessage } from './UI.js'
const inputSchema = lazySchema(() =>
z.strictObject({
objective: z
.string()
.min(1)
.describe(
'Required. The concrete objective to start pursuing. This starts a new active goal only when no goal is currently defined; if a goal already exists, this tool fails.',
),
}),
)
type InputSchema = ReturnType<typeof inputSchema>
const outputSchema = lazySchema(() =>
z.object({
success: z.boolean(),
goal_id: z.string().optional(),
message: z.string(),
}),
)
type OutputSchema = ReturnType<typeof outputSchema>
export type Output = z.infer<OutputSchema>
export const GoalCreateTool = buildTool({
name: CREATE_GOAL_TOOL_NAME,
searchHint: 'create a new thread goal',
maxResultSizeChars: 4_000,
userFacingName: () => 'Create Goal',
get inputSchema(): InputSchema {
return inputSchema()
},
get outputSchema(): OutputSchema {
return outputSchema()
},
isReadOnly() {
return false
},
isConcurrencySafe() {
return true
},
toAutoClassifierInput(input) {
return input.objective
},
async description() {
return DESCRIPTION
},
async prompt() {
return CREATE_GOAL_TOOL_PROMPT
},
mapToolResultToToolResultBlockParam(output, toolUseID) {
return {
tool_use_id: toolUseID,
type: 'tool_result',
content: jsonStringify(output),
}
},
renderToolUseMessage,
renderToolResultMessage,
async call({ objective }, { getAppState, setAppState }) {
const appState = getAppState()
const existing = appState.goal
if (existing && !isGoalInactive(existing.status)) {
return {
data: {
success: false,
message: `Cannot create a new goal because this thread already has an active goal (status: ${formatGoalStatus(existing.status)}). Use update_goal to change its status, or ask the user to clear it with /goal clear first.`,
},
}
}
const now = Date.now()
const goalId = randomUUID()
setAppState(prev => ({
...prev,
goal: {
id: goalId,
objective: objective.trim(),
status: 'pursuing' as const,
startedAt: now,
startCostUSD: getTotalCost(),
startTokensUsed: getTotalTokensUsed(),
continuationCount: 0,
lastUpdatedAt: now,
},
}))
saveGoal({
type: 'goal',
id: goalId,
objective: objective.trim(),
status: 'pursuing',
startedAt: now,
startCostUSD: getTotalCost(),
startTokensUsed: getTotalTokensUsed(),
continuationCount: 0,
lastUpdatedAt: now,
})
return {
data: {
success: true,
goal_id: goalId,
message: `Goal created: ${objective.trim()}. The agent will auto-continue toward this objective.`,
},
}
},
} satisfies ToolDef<InputSchema, Output>) |