src/vs/platform/agentHost/common/claudeModelConfig.ts
128 LOC · 128 covered · 0 uncovered · 14 ranges · 385 concepts · 8 introducers · 218 tests
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/*---------------------------------------------------------------------------------------------
claudeModelConfig.ts ×4
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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import { localize } from '../../../nls.js';
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import { getReasoningEffortDescription, getReasoningEffortLabel } from './reasoningEffort.js';
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import type { ConfigSchema, ModelSelection } from './state/protocol/state.js';
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/**
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* Sub-key in `ModelSelection.config` carrying the user's reasoning-effort
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* pick from the model picker. Mirror of CopilotAgent's
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* `ThinkingLevelConfigKey` (copilotAgent.ts:83) so a single picker contract
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* spans both providers — the picker writes `model.config.thinkingLevel`,
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* and each provider narrows that string at materialize.
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*/
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export const CLAUDE_THINKING_LEVEL_KEY = 'thinkingLevel';
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/**
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* Reasoning-effort values accepted by the Claude SDK's `Options.effort`
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* (startup). Hand-rolled here — not imported from the SDK — to keep `common/`
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* SDK-free; structurally identical to the SDK's exported `EffortLevel` so it
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* assigns into `Options.effort` without a cast.
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*/
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export type ClaudeEffortLevel = 'low' | 'medium' | 'high' | 'xhigh' | 'max';
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/**
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* The effort union the SDK's runtime hot-swap setter
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* `Query.applyFlagSettings({ effortLevel })` is *declared* to accept. Note it
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* excludes `'max'` — but see {@link toRuntimeEffortLevel}: a `'max'` value can
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* still flow through this type at runtime, because the SDK's declared type is
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* narrower than what the API actually accepts.
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*/
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export type ClaudeRuntimeEffortLevel = 'low' | 'medium' | 'high' | 'xhigh';
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/**
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* Coerce a startup {@link ClaudeEffortLevel} to the {@link ClaudeRuntimeEffortLevel}
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* union the SDK's `applyFlagSettings({ effortLevel })` setter is typed to accept.
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*
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* This used to clamp `'max'` down to `'xhigh'`, because the SDK's
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* `Settings.effortLevel` .d.ts type omits `'max'`. That type is wrong: the
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* Anthropic API / Copilot CAPI accept `'max'` end-to-end — confirmed with
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* Anthropic, and verified by watching a `'max'` turn round-trip successfully
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* (the exported `EffortLevel` union and the wire `output_config.effort` field
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* both include `'max'`). So `'max'` is now passed straight through.
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*
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* The cast is deliberate: this returns a value its own return type says it
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* cannot — `'max'` is not a member of {@link ClaudeRuntimeEffortLevel}. Keeping
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* the narrow return type lets every downstream consumer stay honest against the
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* SDK's declared surface while the single lie lives here. Drop the cast (and
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* widen the return type, or restore a real clamp) once the SDK's
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* `Settings.effortLevel` type is corrected upstream
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* (anthropics/claude-agent-sdk-typescript#377).
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*/
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export function toRuntimeEffortLevel(effort: ClaudeEffortLevel | undefined): ClaudeRuntimeEffortLevel | undefined {
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}
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/**
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* Pull `thinkingLevel` out of `ModelSelection.config` and narrow it to
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* {@link ClaudeEffortLevel}. Returns `undefined` when the model selection
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* is absent or carries an unrecognized value (the SDK then falls through
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* to its own default). Mirror of CopilotAgent's `_getReasoningEffort`
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* (copilotAgent.ts:487).
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*/
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export function resolveClaudeEffort(model: ModelSelection | undefined): ClaudeEffortLevel | undefined {
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switch (raw) {
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case 'low':
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case 'medium':
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case 'high':
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case 'xhigh':
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case 'max':
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}
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/** Canonical ordered list of {@link ClaudeEffortLevel} values; used for sort + guard. */
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const CLAUDE_EFFORT_LEVELS: readonly ClaudeEffortLevel[] = ['low', 'medium', 'high', 'xhigh', 'max'];
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/** Type guard narrowing an arbitrary string to {@link ClaudeEffortLevel}. */
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export function isClaudeEffortLevel(value: string): value is ClaudeEffortLevel {
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}
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/**
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* Synthesize the per-model `configSchema` advertising the `thinkingLevel`
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* picker entry on Claude models that support adaptive thinking. Mirror of
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* CopilotAgent's `_createThinkingLevelConfigSchema` (copilotAgent.ts:457).
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*
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* The `enum` is sourced from each model's own `reasoning_effort` list (a
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* runtime field on CAPI's `/models` payload — different Claude models
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* support different effort subsets, e.g. `['low','medium','high']`,
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* `['high']`, or `[]`). Callers narrow that list to {@link ClaudeEffortLevel}
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* via {@link isClaudeEffortLevel} before passing it in.
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*
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* The `default` is `'high'` when the model supports it, otherwise omitted
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* — Claude's own server-side default for adaptive thinking is `'high'`,
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* and the extension mirrors the same fallback rule at
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* `extensions/copilot/src/extension/chatSessions/claude/node/claudeCodeModels.ts:230`.
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* (Anthropic's `CCAModel` rows don't carry a server-supplied default
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* field; tracked at microsoft/vscode-capi#85.)
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*
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* Returns `undefined` for an empty list — the picker then renders no
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* thinkingLevel control for that model.
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*/
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export function createClaudeThinkingLevelSchema(supportedEfforts: readonly ClaudeEffortLevel[]): ConfigSchema | undefined {
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}
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const defaultEffort: ClaudeEffortLevel | undefined = supportedEfforts.includes('high') ? 'high' : undefined;
claudeModelConfig.ts ×2
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return {
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type: 'object',
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properties: {
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[CLAUDE_THINKING_LEVEL_KEY]: {
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type: 'string',
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title: localize('claude.modelThinkingLevel.title', "Thinking Level"),
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description: localize('claude.modelThinkingLevel.description', "Controls how much reasoning effort Claude uses."),
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enum: [...supportedEfforts],
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enumLabels: supportedEfforts.map(getReasoningEffortLabel),
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enumDescriptions: supportedEfforts.map(effort => getReasoningEffortDescription(effort) ?? ''),
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...(defaultEffort !== undefined ? { default: defaultEffort } : {}),
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},
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},
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};
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}