oppi.li
source dump of claude code
1/**
2 * Shared infrastructure for classifier-based permission systems.
3 *
4 * This module provides common types, schemas, and utilities used by both:
5 * - bashClassifier.ts (semantic Bash command matching)
6 * - yoloClassifier.ts (YOLO mode security classification)
7 */
8
9import type { BetaContentBlock } from '@anthropic-ai/sdk/resources/beta/messages.js'
10import type { z } from 'zod/v4'
11
12/**
13 * Extract tool use block from message content by tool name.
14 */
15export function extractToolUseBlock(
16 content: BetaContentBlock[],
17 toolName: string,
18): Extract<BetaContentBlock, { type: 'tool_use' }> | null {
19 const block = content.find(b => b.type === 'tool_use' && b.name === toolName)
20 if (!block || block.type !== 'tool_use') {
21 return null
22 }
23 return block
24}
25
26/**
27 * Parse and validate classifier response from tool use block.
28 * Returns null if parsing fails.
29 */
30export function parseClassifierResponse<T extends z.ZodTypeAny>(
31 toolUseBlock: Extract<BetaContentBlock, { type: 'tool_use' }>,
32 schema: T,
33): z.infer<T> | null {
34 const parseResult = schema.safeParse(toolUseBlock.input)
35 if (!parseResult.success) {
36 return null
37 }
38 return parseResult.data
39}