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https://github.com/kochetkov-ma/claude-brewcode.git
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kochetkov-ma
100 lines
3.2 KiB
JavaScript
100 lines
3.2 KiB
JavaScript
#!/usr/bin/env node
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/**
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* Forced Eval Hook - Improves skill activation rate to 84%
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*
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* Event: UserPromptSubmit
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* Channel: hookSpecificOutput.additionalContext
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*
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* Based on: https://scottspence.com/posts/how-to-make-claude-code-skills-activate-reliably
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*
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* Problem: Skills activate only ~20-50% of time because Claude may not check
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* available skills before responding to user prompts.
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*
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* Solution: Intercept every user prompt and inject a reminder to check skills.
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* This increases activation rate to ~84% by making skill evaluation explicit.
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*
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* NOTE: updatedInput is ignored on UserPromptSubmit in CC 2.1.x - must use additionalContext.
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*
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* Output schema (UserPromptSubmit):
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* {
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* "hookSpecificOutput": {
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* "hookEventName": "UserPromptSubmit",
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* "additionalContext": "skill-check + delegation hint"
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* }
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* }
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*/
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import { readStdin, output } from './lib/utils.mjs';
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// Cap text channels under the 2.1.174 10K disk-spill threshold (headroom 9000).
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const TEXT_CHANNEL_CAP = 9000;
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function capText(s, max = TEXT_CHANNEL_CAP) {
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return (typeof s === 'string' && s.length > max) ? s.slice(0, max) + '\n...[truncated]' : s;
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}
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// --- Skill evaluation reminder ---
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// SKILL_CHECK = always-on payload (every prompt). MANAGER_ROLE = expert-first delegation.
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// Trigger is expert match, not task size — "heavy" wording let domain tasks (ssh, deploy)
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// bypass delegation even when a project expert existed.
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const SKILL_CHECK = '[SKILL?] If a skill matches this request, use Skill tool first.';
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const MANAGER_ROLE = '[ROLE] Manager: scan agents (project .claude/agents/ first) — expert for this domain exists -> delegate regardless of size; no expert or trivial one-off -> self.';
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const REMINDER_TEXT = `${SKILL_CHECK}\n${MANAGER_ROLE}`;
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// --- Main ---
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async function main() {
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try {
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const input = await readStdin();
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const { prompt, session_id, cwd, hook_event_name } = input;
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// Validate event type
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if (hook_event_name !== 'UserPromptSubmit') {
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output({});
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return;
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}
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// Handle edge cases
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if (!prompt || typeof prompt !== 'string' || prompt.trim() === '') {
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output({});
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return;
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}
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// Skip if user is already invoking a skill (starts with /)
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const trimmedPrompt = prompt.trim();
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if (trimmedPrompt.startsWith('/')) {
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output({});
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return;
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}
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// Skip meta-commands that shouldn't trigger skill check
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const skipPatterns = [
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/^(yes|no|y|n|ok|okay|sure|thanks|thank you|done|cancel|stop|exit|quit)$/i,
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/^(continue|proceed|go ahead|approved?|confirm(ed)?|accept(ed)?)$/i,
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/^\d+$/, // Just a number (selection)
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/^[a-z]$/i, // Single letter (option selection)
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];
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if (skipPatterns.some(pattern => pattern.test(trimmedPrompt))) {
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output({});
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return;
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}
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// Inject skill-check reminder via additionalContext (updatedInput is ignored
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// on UserPromptSubmit in CC 2.1.x).
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output({
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hookSpecificOutput: {
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hookEventName: 'UserPromptSubmit',
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additionalContext: capText(REMINDER_TEXT)
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}
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});
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} catch (error) {
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// Fail-safe: pass through on error (never trap user)
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console.error(`[forced-eval-hook] Error: ${error.message}`);
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output({});
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}
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}
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main();
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