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export * as CodeModeInstructions from "./instructions.js"
import { searchSignature, toolExpression } from "@opencode/codemode"
import { Effect, Schema } from "effect"
import { Instructions } from "../instructions/index.js"
import { CodeModeCatalog } from "./catalog.js"
// prettier-ignore
const prompt = (hasMoreTools: boolean) => `# Code Mode
Use the \`execute\` tool to call the tools listed below. They cannot be called directly${hasMoreTools ? ", and neither can \`search\`. Both" : ". They"} only work inside code you pass to \`execute\`.
${hasMoreTools ? `The catalog is partial. Inside \`execute\`, use \`search(...)\` to find a tool, then call it by the \`path\` in the result. \`search\` is synchronous. Call it without \`await\`; it does not return a Promise. Do not guess tool names.
- ${searchSignature}` : "The catalog is complete. Do not guess tool names."}
## Available tools`
export function render(catalog: CodeModeCatalog.Summary) {
if (catalog.total === 0)
return "No Code Mode tools are currently available. Later Code Mode catalog updates may add or remove tools. Do not call `execute` unless there is at least one available Code Mode tool."
const tools = catalog.namespaces.flatMap((namespace) => {
return [CodeModeCatalog.namespaceLine(namespace), ...namespace.entries.map((entry) => entry.line)]
})
return `${prompt(catalog.shown < catalog.total)}
${tools.join("\n")}`
}
export function update(previous: CodeModeCatalog.Summary, current: CodeModeCatalog.Summary) {
const replacement = `The Code Mode tool catalog has changed. This catalog supersedes the previous Code Mode tool catalog.
${render(current)}`
if (current.total === 0) return replacement
const previousComplete = previous.shown === previous.total
const currentComplete = current.shown === current.total
if (previousComplete !== currentComplete) return replacement
const descriptions = Instructions.diffByKey(
previous.namespaces.filter((namespace) => namespace.description !== undefined),
current.namespaces.filter((namespace) => namespace.description !== undefined),
(namespace) => namespace.name,
(before, after) => before.description !== after.description,
)
if (descriptions.added.length > 0 || descriptions.removed.length > 0 || descriptions.changed.length > 0)
return replacement
const diff = Instructions.diffByKey(
previous.namespaces.flatMap((namespace) => namespace.entries),
current.namespaces.flatMap((namespace) => namespace.entries),
(entry) => entry.path,
(before, after) => before.line !== after.line,
)
const entriesChanged = diff.added.length > 0 || diff.removed.length > 0 || diff.changed.length > 0
if (!currentComplete) {
if (entriesChanged) return replacement
const namespaces = Instructions.diffByKey(
previous.namespaces,
current.namespaces,
(namespace) => namespace.name,
(before, after) => before.count !== after.count,
)
const changed = namespaces.added.length > 0 || namespaces.removed.length > 0 || namespaces.changed.length > 0
if (!changed) return replacement
const parts = ["The Code Mode tool catalog has changed."]
if (namespaces.added.length > 0) {
parts.push(
`New tool namespaces are available: ${namespaces.added
.map((namespace) => `\`${namespace.name}\` (${namespace.count} tools)`)
.join(", ")}.`,
)
}
if (namespaces.changed.length > 0) {
parts.push(
`The following namespace inventories changed; search them again before relying on previous results: ${namespaces.changed
.map((change) => `\`${change.current.name}\` now has ${change.current.count} tools`)
.join(", ")}.`,
)
}
if (namespaces.removed.length > 0) {
parts.push(
`The following tool namespaces are no longer available and must not be used: ${namespaces.removed
.map((namespace) => `\`${namespace.name}\``)
.join(", ")}.`,
)
}
const delta = parts.join("\n\n")
if (delta.length < replacement.length) return delta
return replacement
}
if (!entriesChanged) return replacement
const parts = ["The Code Mode tool catalog has changed."]
if (diff.added.length > 0) {
parts.push(
[
"New tools are available in addition to those previously listed:",
...diff.added.map((entry) => entry.line),
].join("\n"),
)
}
if (diff.changed.length > 0) {
parts.push(
[
"Changed tool listings supersede the previously listed ones:",
...diff.changed.map((change) => change.current.line),
].join("\n"),
)
}
if (diff.removed.length > 0) {
parts.push(
`The following tools are no longer available and must not be called: ${diff.removed
.map((entry) => toolExpression(entry.path))
.join(", ")}.`,
)
}
const delta = parts.join("\n\n")
if (delta.length < replacement.length) return delta
return replacement
}
const key = Instructions.Key.make("core/codemode")
const codec = Schema.toCodecJson(CodeModeCatalog.Summary)
export const make = (inventory?: CodeModeCatalog.Inventory): Instructions.List => {
const catalog = inventory === undefined ? Instructions.removed : CodeModeCatalog.summarize(inventory)
return Instructions.make({
key,
codec,
read: Effect.succeed(catalog),
render: {
initial: render,
changed: update,
removed: () => "Code Mode tools are no longer available. Do not use any previously listed Code Mode tools.",
},
})
}