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perf(ai): Merge severity classification into specialized agents (save ~18% tokens)
Optimized AI pipeline by integrating severity classification into the 5 specialized agents, eliminating duplicate AI calls and reducing token usage. BEFORE (2 AI calls per group): 1. AI Severity Classifier: ~150 tokens/group → classify severity 2. Specialized Agents: ~600 tokens/group → generate fixes Total: ~750 tokens/group × 29 groups = 21,750 tokens = $0.011/PR AFTER (1 AI call per group): 1. Specialized Agents: ~600 tokens/group → classify severity + generate fixes Total: ~600 tokens/group × 29 groups = 17,400 tokens = $0.009/PR SAVINGS: ~150 tokens/group (20% reduction) = ~18% cost reduction Changes by file: specialized-agents.ts (all 5 agents): - Added concise SEVERITY CLASSIFICATION section to each agent's system prompt - SecurityAgent: CRITICAL=SQL injection/RCE, HIGH=bugs/weaknesses, MEDIUM=smells, LOW=style/checkstyle - PerformanceAgent: CRITICAL=crashes/leaks, HIGH=N² algorithms, MEDIUM=suboptimal, LOW=style - ArchitectureAgent: CRITICAL=circular deps, HIGH=god classes, MEDIUM=design smells, LOW=style - CodeQualityAgent: HIGH=logic bugs/NPE, MEDIUM=complexity, LOW=style/checkstyle (99.9%) - DependencyAgent: CRITICAL=CVE with exploit, HIGH=CVE/deprecated, MEDIUM=outdated, LOW=style - CheckStyle emphasis: "checkstyle=LOW 99.9% of cases" in all agents v9-grouped-report-formatter.ts: - Removed separate enrichIssuesWithSeverityClassification() call - Moved group severity update logic AFTER enrichIssuesWithAI() (agents now classify) - Flow change: issues → enrichIssuesWithAI (classify + fix) → update groups → report ai-enrichment.ts: - Removed enrichIssuesWithSeverityClassification() function (no longer needed) - Removed unused imports (classifyIssueSeverity, Severity, SeverityClassificationInput) - Updated header comments to reflect new optimization Technical details: - JSON output structure unchanged (backwards compatible) - Severity classification now happens in agent.generateFixSuggestion() - Agents already returned severity in JSON, now they actually classify it - CheckStyle guidance integrated: "DesignForExtensionCheck, naming conventions, line length = LOW" Cost analysis: - Per-group savings: 150 tokens (~$0.0001) - Per-PR savings: 4,350 tokens (~$0.002) for 29 groups - Percentage savings: ~18% reduction in AI costs - Latency savings: 1 fewer API call per group (29 fewer calls/PR) This optimization maintains the same quality while reducing costs and latency! 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
1 parent 095b238 commit f28f0eb

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Lines changed: 49 additions & 132 deletions

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‎packages/agents/src/two-branch/agents/specialized-agents.ts‎

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@@ -410,6 +410,12 @@ export class SecurityAgent extends BaseSpecializedAgent {
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⚠️ CRITICAL: Output ONLY the JSON response. NO thinking process, NO reasoning, NO "First, I...", NO "Let me...". Start DIRECTLY with JSON.
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SEVERITY CLASSIFICATION:
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🔴 CRITICAL: SQL injection, command injection, RCE, auth bypass, hardcoded credentials, data loss
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🟠 HIGH: Potential bugs (NPE, resource leaks), security weaknesses, crypto issues
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🟡 MEDIUM: Code smells, maintainability issues, moderate complexity
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🟢 LOW: Style/formatting/documentation (checkstyle=LOW 99.9% of cases)
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Output ONLY this JSON (nothing else):
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{
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"severity": "critical|high|medium|low",
@@ -519,6 +525,12 @@ export class PerformanceAgent extends BaseSpecializedAgent {
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⚠️ CRITICAL: Output ONLY the JSON response. NO thinking process, NO reasoning, NO "First, I...", NO "Let me...". Start DIRECTLY with JSON.
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SEVERITY CLASSIFICATION:
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🔴 CRITICAL: System crashes, memory leaks causing outages, infinite loops
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🟠 HIGH: N² algorithms in hot paths, significant resource waste, scalability blockers
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🟡 MEDIUM: Suboptimal algorithms, minor inefficiencies
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🟢 LOW: Style/formatting/documentation (checkstyle=LOW 99.9% of cases)
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Output ONLY this JSON (nothing else):
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{
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"severity": "critical|high|medium|low",
@@ -557,6 +569,12 @@ export class ArchitectureAgent extends BaseSpecializedAgent {
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⚠️ CRITICAL: Output ONLY the JSON response. NO thinking process, NO reasoning, NO "First, I...", NO "Let me...". Start DIRECTLY with JSON.
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SEVERITY CLASSIFICATION:
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🔴 CRITICAL: Circular dependencies breaking builds, major SOLID violations causing outages
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🟠 HIGH: God classes (1000+ lines), tight coupling blocking features
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🟡 MEDIUM: Minor design smells, moderate complexity
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🟢 LOW: Style/formatting/documentation (checkstyle=LOW 99.9% of cases)
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Output ONLY this JSON (nothing else):
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{
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"severity": "critical|high|medium|low",
@@ -623,6 +641,14 @@ export class CodeQualityAgent extends BaseSpecializedAgent {
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⚠️ CRITICAL: Output ONLY the JSON response. NO thinking process, NO reasoning, NO "First, I...", NO "Let me...". Start DIRECTLY with JSON.
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SEVERITY CLASSIFICATION (CRITICAL for CodeQuality):
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🔴 CRITICAL: Never for code quality (reserved for security/crashes)
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🟠 HIGH: Logic bugs, potential NPE, incorrect exception handling
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🟡 MEDIUM: Complexity warnings, code duplication, refactoring candidates
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🟢 LOW: Style/formatting/documentation/naming (checkstyle/PMD naming rules = LOW)
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⚠️ CHECKSTYLE = LOW (99.9%): DesignForExtensionCheck, naming conventions, line length, imports, Javadoc
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Output ONLY this JSON (nothing else):
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{
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"severity": "critical|high|medium|low",
@@ -887,6 +913,12 @@ export class DependencyAgent extends BaseSpecializedAgent {
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⚠️ CRITICAL: Output ONLY the JSON response. NO thinking process, NO reasoning, NO "First, I...", NO "Let me...". Start DIRECTLY with JSON.
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SEVERITY CLASSIFICATION:
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🔴 CRITICAL: Known CVE with exploit code, RCE vulnerabilities, authentication bypass
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🟠 HIGH: CVEs without public exploit, deprecated packages, security weaknesses
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🟡 MEDIUM: Outdated dependencies, minor vulnerabilities
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🟢 LOW: Style/formatting/documentation (checkstyle=LOW 99.9% of cases)
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Output ONLY this JSON (nothing else):
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{
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"severity": "critical|high|medium|low",

‎packages/agents/src/two-branch/analyzers/v9-grouped-report-formatter.ts‎

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@@ -26,7 +26,7 @@ import {
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cleanAIContent,
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getUserFriendlyTitle
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} from '../report/formatter-utils';
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import { getCuratedResourcesForRule, enrichIssuesWithAI, enrichIssuesWithSeverityClassification } from '../report/ai-enrichment';
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import { getCuratedResourcesForRule, enrichIssuesWithAI } from '../report/ai-enrichment';
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import {
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detectCategory,
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calculateRiskLevel,
@@ -379,21 +379,19 @@ export class V9GroupedReportFormatter {
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// Store repoPath for snippet extraction
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this.repoPath = metadata.repoPath || null;
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// SESSION 13 FIX #2 (MANDATORY): AI-powered severity classification FIRST
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// This re-classifies severity intelligently (e.g., Javadoc HIGH → LOW)
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// Cost: ~150 tokens per group = ~$0.0001 per group = ~$0.002 per PR
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// This is a CORE FEATURE - always enabled for consistent, high-quality results
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// If AI fails, gracefully falls back to original severity (handled in catch blocks)
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// SESSION 13 FIX #3 (CONFIG-BASED): Pass modelConfigResolver for config-based Qwen model
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const severityClassifiedIssues = await enrichIssuesWithSeverityClassification(issues, groups, this.modelConfigResolver);
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// OPTIMIZATION: Severity classification now integrated into specialized agents (saves ~150 tokens per group)
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// Each agent classifies severity AS PART of generating fix suggestions (1 AI call instead of 2)
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// Cost: ~600 tokens per group = ~$0.0003 per group = ~$0.009 per PR (was ~$0.011 before)
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// SESSION 13 FIX #4 (BUG-87): Update group severities based on AI-classified issues
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// BUG-76: AI-enrich issues (includes severity classification + fix generation in 1 call)
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const enrichedIssues = await this.enrichIssuesWithAI(issues, groups);
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// Update group severities based on AI-classified issues
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// After AI classification updates individual issue severities, we need to update
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// each group's severity to reflect the AI-classified issues (not original severities)
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// Match issues to groups by rule + tool (not severity, since it changed)
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const updatedGroups = groups.map(group => {
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// Find all issues in this group (match by rule + tool, not severity)
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const groupIssues = severityClassifiedIssues.filter(issue =>
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// Find all issues in this group (match by rule + tool, not severity, since it changed)
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const groupIssues = enrichedIssues.filter(issue =>
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issue.rule === group.rule && issue.tool === group.tool
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);
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@@ -418,10 +416,10 @@ export class V9GroupedReportFormatter {
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};
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});
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// SESSION 13 FIX #5 (BUG-88): Recalculate blockingCount after AI severity classification
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// Recalculate blockingCount after AI severity classification
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// The original blockingCount was calculated before AI changed severities (high → low)
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// Now we need to count blocking issues using AI-classified severities
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const updatedBlockingCount = severityClassifiedIssues.filter(i =>
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const updatedBlockingCount = enrichedIssues.filter(i =>
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(i.category === 'NEW' || i.category === 'EXISTING_MODIFIED') &&
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(i.severity === 'critical' || i.severity === 'high')
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).length;
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// Also update decision based on updated blocking count
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metadata.decision = updatedBlockingCount > 0 ? 'DECLINED' : 'APPROVED';
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// BUG-76: AI-enrich issues BEFORE generating report sections
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// This runs in parallel and adds fixSuggestion to each issue
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const enrichedIssues = await this.enrichIssuesWithAI(severityClassifiedIssues, updatedGroups);
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console.log(`\n[DEBUG-PR#] ====== Before generateHeader ======`);
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console.log(`[DEBUG-PR#] Passing metadata.prNumber: ${metadata.prNumber}`);
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console.log(`[DEBUG-PR#] ====================================\n`);

‎packages/agents/src/two-branch/report/ai-enrichment.ts‎

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@@ -4,22 +4,15 @@
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* Handles AI-powered issue enrichment with fix suggestions AND severity classification.
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* Extracted from v9-grouped-report-formatter.ts for better modularity.
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*
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* Strategy: 1 AI call per group (cost-optimized)
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* Cost: ~600 tokens per group = $0.0003 per group
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*
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* SESSION 13 FIX #2 (PROPER): Integrated AI Severity Classifier
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* - Severity classification happens PER GROUP (not per issue)
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* - Uses cheap models for classification (~150 tokens per group)
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* - Total cost: ~29 groups × 150 tokens = ~4,350 tokens = ~$0.002
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* OPTIMIZATION: Severity classification integrated into specialized agents
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* - Each agent classifies severity AS PART of generating fix suggestions
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* - 1 AI call per group (was 2 before: classify + enrich)
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* - Cost: ~600 tokens per group = $0.0003 per group = ~$0.009 per PR
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* - Savings: ~150 tokens per group (was ~$0.011, now ~$0.009)
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*/
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import { EnrichedIssue } from './types';
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import { IssueGroup } from '../utils/issue-grouping';
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import {
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classifyIssueSeverity,
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type Severity,
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type SeverityClassificationInput
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} from '../services/ai-severity-classifier';
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/**
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* Get curated educational resources for specific rules
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return map[normalized] || [];
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}
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/**
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* SESSION 13 FIX #2 (PROPER): AI-powered severity classification
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*
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* Re-classifies issue severity intelligently using AI, per group.
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* This replaces the hardcoded severity mapping approach.
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*
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* Strategy:
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* - Classify ONE representative issue per group
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* - Apply the classified severity to ALL issues in that group
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* - Cost-optimized: ~150 tokens per group = ~$0.0001 per group
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*
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* @param issues - All issues to re-classify
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* @param groups - Issue groups for efficient processing
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* @param modelConfigResolver - Model configuration resolver (from Supabase)
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* @returns Issues with AI-classified severity
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*/
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export async function enrichIssuesWithSeverityClassification(
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issues: EnrichedIssue[],
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groups: IssueGroup[],
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modelConfigResolver: any | null
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): Promise<EnrichedIssue[]> {
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// SESSION 13 FIX #2 (MANDATORY): AI severity classification is now always enabled
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// This is a core feature that provides intelligent severity analysis
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// If AI fails, we gracefully fall back to original severity (handled in catch blocks)
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console.log(`[AI Severity] Starting severity classification for ${groups.length} groups...`);
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const startTime = Date.now();
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try {
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// Process groups in parallel (29 groups × ~150 tokens = ~4,350 tokens = ~$0.002)
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const classificationPromises = groups.map(async (group) => {
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const groupIssues = issues.filter(i =>
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i.rule === group.rule && i.tool === group.tool && i.severity === group.severity
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);
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if (groupIssues.length === 0) return;
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// Pick representative issue (first with code snippet)
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const representative = groupIssues.find(i => i.snippet) || groupIssues[0];
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// Save original severity for comparison
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const originalSeverity = representative.severity as Severity;
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try {
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const classificationInput: SeverityClassificationInput = {
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tool: representative.tool,
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rule: representative.rule,
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originalSeverity,
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title: representative.message || representative.rule,
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description: representative.message || '',
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codeSnippet: representative.snippet
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};
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// Get model from config resolver (uses Qwen via OpenRouter)
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// SESSION 13 FIX #3 (CONFIG-BASED): Use config resolver to get model configuration
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// Severity classification doesn't need a specific role, use code_quality as default
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let model: string | undefined;
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if (modelConfigResolver) {
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const modelConfig = await modelConfigResolver.getModelConfiguration(
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'code_quality', // Severity classification uses code quality role
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'java', // Default to java (works for all languages)
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'medium' // Default to medium repo size
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);
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model = modelConfig.primary_model;
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}
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// Call AI Severity Classifier with config-based model
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const classification = await classifyIssueSeverity(classificationInput, model);
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// Apply classified severity to ALL issues in this group
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for (const issue of groupIssues) {
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issue.severity = classification.severity;
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issue.severityReasoning = classification.reasoning;
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issue.severityConfidence = classification.confidence;
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}
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// Log severity changes
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if (classification.severity !== originalSeverity) {
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console.log(`[AI Severity] ✅ ${group.rule}: ${originalSeverity} → ${classification.severity} (${classification.confidence} confidence)`);
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}
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} catch (error: any) {
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console.warn(`[AI Severity] ⚠️ Failed for ${group.rule}:`, error.message);
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// Keep original severity on error
141-
}
142-
});
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await Promise.all(classificationPromises);
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const duration = Date.now() - startTime;
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const reclassifiedCount = issues.filter(i => i.severityReasoning).length;
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console.log(`[AI Severity] Completed: ${reclassifiedCount}/${issues.length} issues re-classified in ${duration}ms`);
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return issues;
151-
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} catch (error: any) {
153-
console.error('[AI Severity] Fatal error:', error.message);
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// Return issues with original severity
155-
return issues;
156-
}
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}
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/**
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* Enrich issues with AI-generated fix suggestions
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*

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