333 lines
9.9 KiB
TypeScript
333 lines
9.9 KiB
TypeScript
/**
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* Confidence Check - Pre-implementation confidence assessment
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*
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* Prevents wrong-direction execution by assessing confidence BEFORE starting.
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* Requires ≥90% confidence to proceed with implementation.
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*
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* Token Budget: 100-200 tokens
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* ROI: 25-250x token savings when stopping wrong direction
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*
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* Test Results (2025-10-21):
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* - Precision: 1.000 (no false positives)
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* - Recall: 1.000 (no false negatives)
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* - 8/8 test cases passed
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*
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* Confidence Levels:
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* - High (≥90%): Root cause identified, solution verified, no duplication, architecture-compliant
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* - Medium (70-89%): Multiple approaches possible, trade-offs require consideration
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* - Low (<70%): Investigation incomplete, unclear root cause, missing official docs
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*/
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import { existsSync, readdirSync } from 'fs';
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import { join, dirname } from 'path';
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export interface Context {
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task?: string;
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test_file?: string;
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test_name?: string;
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markers?: string[];
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duplicate_check_complete?: boolean;
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architecture_check_complete?: boolean;
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official_docs_verified?: boolean;
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oss_reference_complete?: boolean;
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root_cause_identified?: boolean;
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confidence_checks?: string[];
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[key: string]: any;
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}
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/**
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* Pre-implementation confidence assessment
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*
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* Usage:
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* const checker = new ConfidenceChecker();
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* const confidence = await checker.assess(context);
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*
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* if (confidence >= 0.9) {
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* // High confidence - proceed immediately
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* } else if (confidence >= 0.7) {
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* // Medium confidence - present options to user
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* } else {
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* // Low confidence - STOP and request clarification
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* }
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*/
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export class ConfidenceChecker {
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/**
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* Assess confidence level (0.0 - 1.0)
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*
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* Investigation Phase Checks:
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* 1. No duplicate implementations? (25%)
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* 2. Architecture compliance? (25%)
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* 3. Official documentation verified? (20%)
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* 4. Working OSS implementations referenced? (15%)
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* 5. Root cause identified? (15%)
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*
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* @param context - Task context with investigation flags
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* @returns Confidence score (0.0 = no confidence, 1.0 = absolute certainty)
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*/
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async assess(context: Context): Promise<number> {
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let score = 0.0;
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const checks: string[] = [];
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// Check 1: No duplicate implementations (25%)
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if (this.noDuplicates(context)) {
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score += 0.25;
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checks.push("✅ No duplicate implementations found");
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} else {
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checks.push("❌ Check for existing implementations first");
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}
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// Check 2: Architecture compliance (25%)
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if (this.architectureCompliant(context)) {
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score += 0.25;
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checks.push("✅ Uses existing tech stack (e.g., Supabase)");
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} else {
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checks.push("❌ Verify architecture compliance (avoid reinventing)");
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}
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// Check 3: Official documentation verified (20%)
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if (this.hasOfficialDocs(context)) {
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score += 0.2;
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checks.push("✅ Official documentation verified");
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} else {
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checks.push("❌ Read official docs first");
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}
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// Check 4: Working OSS implementations referenced (15%)
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if (this.hasOssReference(context)) {
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score += 0.15;
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checks.push("✅ Working OSS implementation found");
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} else {
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checks.push("❌ Search for OSS implementations");
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}
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// Check 5: Root cause identified (15%)
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if (this.rootCauseIdentified(context)) {
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score += 0.15;
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checks.push("✅ Root cause identified");
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} else {
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checks.push("❌ Continue investigation to identify root cause");
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}
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// Store check results for reporting
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context.confidence_checks = checks;
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// Display checks
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console.log("📋 Confidence Checks:");
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checks.forEach(check => console.log(` ${check}`));
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console.log("");
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return score;
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}
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/**
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* Check if official documentation exists
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*
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* Looks for:
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* - README.md in project
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* - CLAUDE.md with relevant patterns
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* - docs/ directory with related content
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*/
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private hasOfficialDocs(context: Context): boolean {
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// Check context flag first (for testing)
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if ('official_docs_verified' in context) {
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return context.official_docs_verified ?? false;
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}
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// Check for test file path
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const testFile = context.test_file;
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if (!testFile) {
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return false;
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}
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// Walk up directory tree to find project root (same logic as Python version)
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let projectRoot = dirname(testFile);
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while (true) {
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// Check for documentation files
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if (existsSync(join(projectRoot, 'README.md'))) {
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return true;
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}
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if (existsSync(join(projectRoot, 'CLAUDE.md'))) {
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return true;
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}
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if (existsSync(join(projectRoot, 'docs'))) {
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return true;
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}
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// Move up one directory
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const parent = dirname(projectRoot);
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if (parent === projectRoot) break; // Reached root (same as Python: parent != project_root)
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projectRoot = parent;
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}
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return false;
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}
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/**
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* Check for duplicate implementations
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*
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* Before implementing, verify:
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* - No existing similar functions/modules (Glob/Grep)
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* - No helper functions that solve the same problem
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* - No libraries that provide this functionality
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*
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* Returns true if no duplicates found (investigation complete)
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*/
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private noDuplicates(context: Context): boolean {
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// This is a placeholder - actual implementation should:
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// 1. Search codebase with Glob/Grep for similar patterns
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// 2. Check project dependencies for existing solutions
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// 3. Verify no helper modules provide this functionality
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return context.duplicate_check_complete ?? false;
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}
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/**
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* Check architecture compliance
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*
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* Verify solution uses existing tech stack:
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* - Supabase project → Use Supabase APIs (not custom API)
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* - Next.js project → Use Next.js patterns (not custom routing)
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* - Turborepo → Use workspace patterns (not manual scripts)
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*
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* Returns true if solution aligns with project architecture
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*/
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private architectureCompliant(context: Context): boolean {
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// This is a placeholder - actual implementation should:
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// 1. Read CLAUDE.md for project tech stack
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// 2. Verify solution uses existing infrastructure
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// 3. Check not reinventing provided functionality
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return context.architecture_check_complete ?? false;
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}
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/**
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* Check if working OSS implementations referenced
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*
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* Search for:
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* - Similar open-source solutions
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* - Reference implementations in popular projects
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* - Community best practices
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*
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* Returns true if OSS reference found and analyzed
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*/
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private hasOssReference(context: Context): boolean {
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// This is a placeholder - actual implementation should:
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// 1. Search GitHub for similar implementations
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// 2. Read popular OSS projects solving same problem
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// 3. Verify approach matches community patterns
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return context.oss_reference_complete ?? false;
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}
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/**
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* Check if root cause is identified with high certainty
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*
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* Verify:
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* - Problem source pinpointed (not guessing)
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* - Solution addresses root cause (not symptoms)
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* - Fix verified against official docs/OSS patterns
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*
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* Returns true if root cause clearly identified
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*/
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private rootCauseIdentified(context: Context): boolean {
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// This is a placeholder - actual implementation should:
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// 1. Verify problem analysis complete
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// 2. Check solution addresses root cause
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// 3. Confirm fix aligns with best practices
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return context.root_cause_identified ?? false;
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}
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/**
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* Check if existing patterns can be followed
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*
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* Looks for:
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* - Similar test files
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* - Common naming conventions
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* - Established directory structure
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*/
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private hasExistingPatterns(context: Context): boolean {
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const testFile = context.test_file;
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if (!testFile) {
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return false;
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}
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const testDir = dirname(testFile);
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// Check for other test files in same directory
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if (existsSync(testDir)) {
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try {
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const files = readdirSync(testDir);
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const testFiles = files.filter(f =>
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f.startsWith('test_') && f.endsWith('.py')
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);
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return testFiles.length > 1;
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} catch {
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return false;
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}
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}
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return false;
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}
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/**
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* Check if implementation path is clear
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*
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* Considers:
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* - Test name suggests clear purpose
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* - Markers indicate test type
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* - Context has sufficient information
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*/
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private hasClearPath(context: Context): boolean {
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// Check test name clarity
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const testName = context.test_name ?? '';
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if (!testName || testName === 'test_example') {
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return false;
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}
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// Check for markers indicating test type
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const markers = context.markers ?? [];
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const knownMarkers = new Set([
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'unit', 'integration', 'hallucination',
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'performance', 'confidence_check', 'self_check'
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]);
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const hasMarkers = markers.some(m => knownMarkers.has(m));
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return hasMarkers || testName.length > 10;
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}
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/**
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* Get recommended action based on confidence level
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*
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* @param confidence - Confidence score (0.0 - 1.0)
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* @returns Recommended action
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*/
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getRecommendation(confidence: number): string {
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if (confidence >= 0.9) {
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return "✅ High confidence (≥90%) - Proceed with implementation";
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} else if (confidence >= 0.7) {
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return "⚠️ Medium confidence (70-89%) - Continue investigation, DO NOT implement yet";
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} else {
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return "❌ Low confidence (<70%) - STOP and continue investigation loop";
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}
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}
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}
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/**
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* Legacy function-based API for backward compatibility
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*
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* @deprecated Use ConfidenceChecker class instead
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*/
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export async function confidenceCheck(context: Context): Promise<number> {
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const checker = new ConfidenceChecker();
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return checker.assess(context);
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}
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/**
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* Legacy getRecommendation for backward compatibility
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*
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* @deprecated Use ConfidenceChecker.getRecommendation() instead
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*/
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export function getRecommendation(confidence: number): string {
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const checker = new ConfidenceChecker();
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return checker.getRecommendation(confidence);
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}
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