fix: resolve build error and hydration mismatch from recent cleanup

web/src/app/api/integrations/calendar/events/route.ts

@@ -3,7 +3,6 @@ import { fetchCalendarEvents } from "@/lib/integrations/calendar";
 
 export async function GET() {
   try {
-    // In a real app, we would get the user ID from the session
     const events = await fetchCalendarEvents();
     return NextResponse.json(events);
   } catch (error) {

web/src/components/Onboarding.tsx

@@ -1,6 +1,6 @@
 "use client";
 
-import { useState } from "react";
+import { useState, useEffect } from "react";
 import { motion, AnimatePresence } from "framer-motion";
 import { Card, CardContent, CardHeader, CardTitle, CardFooter } from "@/components/ui/card";
 import { Button } from "@/components/ui/button";
@@ -17,6 +17,8 @@ interface Step {
   icon: React.ReactNode;
 }
 
+const ONBOARDING_SEEN_KEY = "devcontext:onboarding-seen";
+
 const steps: Step[] = [
   {
     title: "Welcome to DevContext!",
@@ -41,14 +43,15 @@ const steps: Step[] = [
 ];
 
 export function Onboarding() {
-  const [isOpen, setIsOpen] = useState(() => {
-    if (typeof window !== 'undefined') {
-      return !localStorage.getItem("devcontext:onboarding-seen");
-    }
-    return false;
-  });
+  const [isOpen, setIsOpen] = useState(false);
   const [currentStep, setCurrentStep] = useState(0);
 
+  useEffect(() => {
+    if (!localStorage.getItem(ONBOARDING_SEEN_KEY)) {
+      setIsOpen(true);
+    }
+  }, []);
+
   const handleNext = () => {
     if (currentStep < steps.length - 1) {
       setCurrentStep(currentStep + 1);
@@ -58,7 +61,7 @@ export function Onboarding() {
   };
 
   const handleComplete = () => {
-    localStorage.setItem("devcontext:onboarding-seen", "true");
+    localStorage.setItem(ONBOARDING_SEEN_KEY, "true");
     setIsOpen(false);
   };
 

web/src/lib/analytics/dna.ts

@@ -43,7 +43,6 @@ export async function calculateCodeDNA(user: string): Promise<CodeDNA> {
     const ts = a.timestamp.getTime();
     if (ts - lastTimestamp > 30 * 60 * 1000) {
       if (currentSessionFiles.size > 0) filesPerSession.push(currentSessionFiles.size);
-      sessions++;
       currentSessionFiles = new Set();
     }
     currentSessionFiles.add(a.target);