Initial commit: RA-H Open Source Edition

Local-first knowledge management system with BYO API keys. Features: - 3-panel UI (Nodes | Focus | Helpers) - SQLite + sqlite-vec for vector search - Agent system (Easy/Hard mode orchestrators) - Content extraction (YouTube, PDF, web) - Integrate workflow for connection discovery - Dimension system with auto-assignment Tech stack: - Next.js 15 + TypeScript + Tailwind CSS - Anthropic (Claude) + OpenAI (GPT) via Vercel AI SDK Setup: npm install && npm rebuild better-sqlite3 scripts/dev/bootstrap-local.sh npm run dev MIT License
2025-12-15 16:14:28 +11:00
commit 733d1c3407
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+import { NextRequest, NextResponse } from 'next/server';
+import { CostAnalytics } from '@/services/analytics/costs';
+
+export async function GET(request: NextRequest) {
+  try {
+    const searchParams = request.nextUrl.searchParams;
+    const period = searchParams.get('period') || 'week';
+    const agent = searchParams.get('agent');
+    const traceId = searchParams.get('trace_id');
+    const startDate = searchParams.get('start_date');
+    const endDate = searchParams.get('end_date');
+
+    if (traceId) {
+      const traceCosts = CostAnalytics.getCostsByTrace(traceId);
+      return NextResponse.json(traceCosts);
+    }
+
+    if (agent) {
+      const agentCosts = CostAnalytics.getCostsByAgent(
+        agent,
+        startDate || undefined,
+        endDate || undefined
+      );
+      return NextResponse.json(agentCosts);
+    }
+
+    const days = period === 'day' ? 1 : period === 'week' ? 7 : period === 'month' ? 30 : 7;
+    
+    if (startDate && endDate) {
+      const dateRangeCosts = CostAnalytics.getCostsByDateRange(startDate, endDate);
+      return NextResponse.json(dateRangeCosts);
+    }
+
+    const now = new Date();
+    const start = new Date(now.getTime() - days * 24 * 60 * 60 * 1000);
+    const periodCosts = CostAnalytics.getCostsByDateRange(
+      start.toISOString(),
+      now.toISOString()
+    );
+
+    const cacheStats = CostAnalytics.getCacheEffectiveness(
+      start.toISOString(),
+      now.toISOString()
+    );
+
+    const dailyBreakdown = CostAnalytics.getDailyBreakdown(days);
+
+    return NextResponse.json({
+      period: period,
+      summary: periodCosts,
+      cache: cacheStats,
+      daily: dailyBreakdown,
+    });
+  } catch (error) {
+    const errorMessage = error instanceof Error ? error.message : String(error);
+    console.error('❌ [Analytics] Error:', errorMessage);
+    
+    return NextResponse.json(
+      { error: errorMessage },
+      { status: 500 }
+    );
+  }
+}