refactor(student): improve onboarding validation with React Hook Form

apps/web/app/(onboarding)/student/page.tsx

@@ -468,7 +468,14 @@ export default function StudentOnboardingPage() {
                 {/* Step 2: Education */}
                 <div
                   className="flex flex-col items-center gap-1.5 cursor-pointer group shrink-0"
-                  onClick={() => step > 1 && setStep(2)}
+                  onClick={async () => {
+                    if (step > 1) {
+                      setStep(2)
+                    } else {
+                      const isValid = await trigger(['fullName', 'headline'])
+                      if (isValid) setStep(2)
+                    }
+                  }}
                 >
                   <div
                     className={`w-[34px] h-[34px] rounded-full flex items-center justify-center text-xs font-bold transition-all duration-300 ${
@@ -505,7 +512,16 @@ export default function StudentOnboardingPage() {
                 {/* Step 3: Skills & Exp */}
                 <div
                   className="flex flex-col items-center gap-1.5 cursor-pointer group shrink-0"
-                  onClick={() => step > 2 && setStep(3)}
+                  onClick={async () => {
+                    if (step > 2) {
+                      setStep(3)
+                    } else {
+                      const valid1 = await trigger(['fullName', 'headline'])
+                      if (!valid1) return
+                      const valid2 = await trigger(['school', 'degree', 'graduationYear'])
+                      if (valid2) setStep(3)
+                    }
+                  }}
                 >
                   <div
                     className={`w-[34px] h-[34px] rounded-full flex items-center justify-center text-xs font-bold transition-all duration-300 ${
@@ -542,7 +558,18 @@ export default function StudentOnboardingPage() {
                 {/* Step 4: Links & Finish */}
                 <div
                   className="flex flex-col items-center gap-1.5 cursor-pointer group shrink-0"
-                  onClick={() => step > 3 && setStep(4)}
+                  onClick={async () => {
+                    if (step > 3) {
+                      setStep(4)
+                    } else {
+                      const valid1 = await trigger(['fullName', 'headline'])
+                      if (!valid1) return
+                      const valid2 = await trigger(['school', 'degree', 'graduationYear'])
+                      if (!valid2) return
+                      const valid3 = await trigger(['skills'])
+                      if (valid3 && skills.length > 0) setStep(4)
+                    }
+                  }}
                 >
                   <div
                     className={`w-[34px] h-[34px] rounded-full flex items-center justify-center text-xs font-bold transition-all duration-300 ${

apps/web/app/(onboarding)/student/schema.test.ts

@@ -0,0 +1,83 @@
+import { describe, expect, it } from 'vitest'
+import {
+  studentCompleteOnboardingSchema,
+  studentStep1Schema,
+  studentStep2Schema,
+  studentStep3Schema,
+  studentStep4Schema,
+} from '@/lib/schemas/student-onboarding.schema'
+
+describe('studentCompleteOnboardingSchema', () => {
+  const validData = {
+    fullName: 'Alex Chen',
+    headline: 'CS Student | Full-Stack Developer',
+    bio: 'Enthusiastic developer looking for opportunities.',
+    school: 'Stanford University',
+    degree: 'B.S. Computer Science',
+    graduationYear: '2026',
+    gpa: '3.9',
+    specialization: 'AI / Machine Learning',
+    skills: ['React', 'TypeScript', 'Next.js'],
+    experienceRole: 'Frontend Intern',
+    experienceCompany: 'DK24 Labs',
+    experienceSummary: 'Built key UI components',
+    githubUrl: 'https://github.com/alexchen',
+    linkedinUrl: 'https://linkedin.com/in/alexchen',
+    portfolioUrl: 'https://alexchen.dev',
+    resumeUrl: 'https://drive.google.com/resume.pdf',
+  }
+
+  it('validates a valid student onboarding data object', () => {
+    const result = studentCompleteOnboardingSchema.safeParse(validData)
+    expect(result.success).toBe(true)
+  })
+
+  it('fails validation when fullName is too short or empty', () => {
+    const resultEmpty = studentStep1Schema.safeParse({ fullName: '' })
+    expect(resultEmpty.success).toBe(false)
+
+    const resultShort = studentStep1Schema.safeParse({ fullName: 'A' })
+    expect(resultShort.success).toBe(false)
+  })
+
+  it('fails validation when school or degree is empty', () => {
+    const invalidSchool = studentStep2Schema.safeParse({
+      school: '',
+      degree: 'B.S.',
+      graduationYear: '2026',
+    })
+    expect(invalidSchool.success).toBe(false)
+
+    const invalidDegree = studentStep2Schema.safeParse({
+      school: 'Stanford',
+      degree: '',
+      graduationYear: '2026',
+    })
+    expect(invalidDegree.success).toBe(false)
+  })
+
+  it('fails validation when skills array is empty', () => {
+    const invalidSkills = studentStep3Schema.safeParse({
+      skills: [],
+    })
+    expect(invalidSkills.success).toBe(false)
+  })
+
+  it('validates optional URLs correctly', () => {
+    const validUrls = studentStep4Schema.safeParse({
+      githubUrl: '',
+      linkedinUrl: 'https://linkedin.com/in/alexchen',
+      portfolioUrl: '',
+      resumeUrl: '',
+    })
+    expect(validUrls.success).toBe(true)
+
+    const invalidUrl = studentStep4Schema.safeParse({
+      githubUrl: 'not-a-valid-url',
+      linkedinUrl: '',
+      portfolioUrl: '',
+      resumeUrl: '',
+    })
+    expect(invalidUrl.success).toBe(false)
+  })
+})