fix(ux): empty repo state opens add modal, signup requires email verification

frontend/src/components/AddRepoForm.tsx

@@ -5,15 +5,30 @@ import { Button } from '@/components/ui/button'
 import { Input } from '@/components/ui/input'
 import { Label } from '@/components/ui/label'
 
-interface AddRepoFormProps {
+// Discriminated union: if isOpen is provided, onOpenChange is required
+type UncontrolledProps = {
+  isOpen?: undefined
+  onOpenChange?: undefined
+}
+
+type ControlledProps = {
+  isOpen: boolean
+  onOpenChange: (open: boolean) => void
+}
+
+type AddRepoFormProps = {
   onAdd: (gitUrl: string, branch: string) => Promise<void>
   loading: boolean
-}
+} & (UncontrolledProps | ControlledProps)
 
-export function AddRepoForm({ onAdd, loading }: AddRepoFormProps) {
+export function AddRepoForm({ onAdd, loading, isOpen, onOpenChange }: AddRepoFormProps) {
   const [gitUrl, setGitUrl] = useState('')
   const [branch, setBranch] = useState('main')
-  const [showForm, setShowForm] = useState(false)
+  const [internalOpen, setInternalOpen] = useState(false)
+
+  const isControlled = isOpen !== undefined
+  const showForm = isControlled ? isOpen : internalOpen
+  const setShowForm = isControlled ? onOpenChange : setInternalOpen
 
   const handleSubmit = async (e: React.FormEvent) => {
     e.preventDefault()
@@ -26,14 +41,17 @@ export function AddRepoForm({ onAdd, loading }: AddRepoFormProps) {
 
   return (
     <>
-      <Button
-        onClick={() => setShowForm(true)}
-        disabled={loading}
-        className="bg-primary hover:bg-primary/90 text-primary-foreground gap-2"
-      >
-        <Plus className="w-4 h-4" />
-        Add Repository
-      </Button>
+      {/* Only show trigger button in uncontrolled mode */}
+      {!isControlled && (
+        <Button
+          onClick={() => setShowForm(true)}
+          disabled={loading}
+          className="bg-primary hover:bg-primary/90 text-primary-foreground gap-2"
+        >
+          <Plus className="w-4 h-4" />
+          Add Repository
+        </Button>
+      )}
 
       <AnimatePresence>
         {showForm && (

frontend/src/components/RepoList.tsx

@@ -8,6 +8,7 @@ interface RepoListProps {
   repos: Repository[]
   selectedRepo: string | null
   onSelect: (repoId: string) => void
+  onAddClick?: () => void
   loading?: boolean
 }
 
@@ -94,15 +95,31 @@ const RepoCard = ({ repo, index, onSelect }: {
   )
 }
 
-export function RepoList({ repos, selectedRepo, onSelect, loading }: RepoListProps) {
+export function RepoList({ repos, selectedRepo, onSelect, onAddClick, loading }: RepoListProps) {
+  // Hooks must be called before any conditional returns
+  const sortedRepos = useMemo(() => {
+    return [...repos].sort((a, b) => {
+      if (a.status === 'indexed' && b.status !== 'indexed') return -1
+      if (b.status === 'indexed' && a.status !== 'indexed') return 1
+      return (b.file_count || 0) - (a.file_count || 0)
+    })
+  }, [repos])
+
   if (loading) return <RepoGridSkeleton count={3} />
 
   if (repos.length === 0) {
+    const isClickable = !!onAddClick
     return (
-      <motion.div 
+      <motion.button
+        onClick={onAddClick}
+        disabled={!isClickable}
         initial={{ opacity: 0 }}
         animate={{ opacity: 1 }}
-        className="bg-card border border-border rounded-xl p-16 text-center"
+        whileHover={isClickable ? { scale: 1.01 } : undefined}
+        whileTap={isClickable ? { scale: 0.99 } : undefined}
+        className={`w-full bg-card border border-dashed border-border rounded-xl p-16 text-center transition-colors focus:outline-none focus:ring-2 focus:ring-primary/50 ${
+          isClickable ? 'hover:border-primary/40 cursor-pointer' : 'cursor-default'
+        }`}
       >
         <div className="w-14 h-14 mx-auto mb-4 rounded-xl bg-primary/10 border border-primary/20 flex items-center justify-center">
           <Plus className="w-6 h-6 text-primary" />
@@ -111,18 +128,10 @@ export function RepoList({ repos, selectedRepo, onSelect, loading }: RepoListPro
         <p className="text-sm text-muted-foreground max-w-xs mx-auto">
           Add your first repository to start searching code with AI
         </p>
-      </motion.div>
+      </motion.button>
     )
   }
 
-  const sortedRepos = useMemo(() => {
-    return [...repos].sort((a, b) => {
-      if (a.status === 'indexed' && b.status !== 'indexed') return -1
-      if (b.status === 'indexed' && a.status !== 'indexed') return 1
-      return (b.file_count || 0) - (a.file_count || 0)
-    })
-  }, [repos])
-
   return (
     <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
       {sortedRepos.map((repo, index) => (

frontend/src/components/auth/LoginForm.tsx

@@ -26,7 +26,14 @@ export function LoginForm() {
       await signIn(email, password)
       navigate('/dashboard')
     } catch (err: any) {
-      setError(err.message || 'Login failed')
+      const message = err.message?.toLowerCase() || ''
+      if (message.includes('email not confirmed') || message.includes('not confirmed')) {
+        setError('Please verify your email before logging in. Check your inbox for the verification link.')
+      } else if (message.includes('invalid login credentials')) {
+        setError('Invalid email or password. Please try again.')
+      } else {
+        setError(err.message || 'Login failed')
+      }
     } finally {
       setLoading(false)
     }

frontend/src/components/auth/SignupForm.tsx

@@ -1,12 +1,13 @@
 import { useState } from 'react'
 import { useAuth } from '@/contexts/AuthContext'
 import { useNavigate, Link } from 'react-router-dom'
+import { motion } from 'framer-motion'
 import { Button } from '@/components/ui/button'
 import { Input } from '@/components/ui/input'
 import { Label } from '@/components/ui/label'
 import { Alert, AlertDescription } from '@/components/ui/alert'
 import { Navbar } from '@/components/landing'
-import { Github, Loader2, Mail, Lock } from 'lucide-react'
+import { Github, Loader2, Mail, Lock, CheckCircle2, Send, ArrowLeft } from 'lucide-react'
 
 export function SignupForm() {
   const [email, setEmail] = useState('')
@@ -15,9 +16,36 @@ export function SignupForm() {
   const [error, setError] = useState('')
   const [loading, setLoading] = useState(false)
   const [oauthLoading, setOauthLoading] = useState<'github' | 'google' | null>(null)
-  const { signUp, signInWithGitHub, signInWithGoogle } = useAuth()
+  const [emailSent, setEmailSent] = useState(false)
+  const [resendLoading, setResendLoading] = useState(false)
+  const [resendSuccess, setResendSuccess] = useState(false)
+  const { signUp, signInWithGitHub, signInWithGoogle, resendVerification } = useAuth()
   const navigate = useNavigate()
 
+  const handleResend = async () => {
+    setError('')
+    setResendLoading(true)
+    setResendSuccess(false)
+    try {
+      await resendVerification(email)
+      setResendSuccess(true)
+      setError('')
+    } catch (err: any) {
+      setError(err.message || 'Failed to resend verification email')
+    } finally {
+      setResendLoading(false)
+    }
+  }
+
+  const handleGoBack = () => {
+    setEmail('')
+    setPassword('')
+    setConfirmPassword('')
+    setEmailSent(false)
+    setResendSuccess(false)
+    setError('')
+  }
+
   const handleSubmit = async (e: React.FormEvent) => {
     e.preventDefault()
     setError('')
@@ -35,7 +63,9 @@ export function SignupForm() {
     setLoading(true)
     try {
       await signUp(email, password)
-      navigate('/dashboard')
+      setEmailSent(true)
+      setPassword('')
+      setConfirmPassword('')
     } catch (err: any) {
       setError(err.message || 'Signup failed')
     } finally {
@@ -73,22 +103,150 @@ export function SignupForm() {
 
       <div className="flex-1 flex items-center justify-center px-6 py-12">
         <div className="w-full max-w-sm">
-          <div className="text-center mb-8">
-            <h1 className="text-2xl font-semibold text-foreground mb-2">
-              Create your account
-            </h1>
-            <p className="text-sm text-muted-foreground">
-              Free for open source projects
-            </p>
-          </div>
+          {/* Email Verification Sent */}
+          {emailSent ? (
+            <motion.div 
+              initial={{ opacity: 0, y: 20 }}
+              animate={{ opacity: 1, y: 0 }}
+              className="text-center"
+            >
+              {/* Animated Icon */}
+              <div className="relative w-24 h-24 mx-auto mb-8">
+                {/* Outer glow ring */}
+                <motion.div
+                  initial={{ scale: 0.8, opacity: 0 }}
+                  animate={{ scale: 1, opacity: 1 }}
+                  transition={{ delay: 0.2, duration: 0.5 }}
+                  className="absolute inset-0 rounded-full bg-gradient-to-r from-primary/20 to-purple-500/20 blur-xl"
+                />
+                {/* Icon container */}
+                <motion.div
+                  initial={{ scale: 0 }}
+                  animate={{ scale: 1 }}
+                  transition={{ type: "spring", stiffness: 200, damping: 15, delay: 0.1 }}
+                  className="relative w-24 h-24 rounded-full bg-gradient-to-br from-primary/10 to-purple-500/10 border border-primary/30 flex items-center justify-center"
+                >
+                  <motion.div
+                    initial={{ scale: 0, rotate: -180 }}
+                    animate={{ scale: 1, rotate: 0 }}
+                    transition={{ type: "spring", stiffness: 200, damping: 12, delay: 0.3 }}
+                  >
+                    <Send className="w-10 h-10 text-primary" />
+                  </motion.div>
+                </motion.div>
+              </div>
+
+              {/* Title */}
+              <motion.h1 
+                initial={{ opacity: 0, y: 10 }}
+                animate={{ opacity: 1, y: 0 }}
+                transition={{ delay: 0.4 }}
+                className="text-3xl font-bold text-foreground mb-3"
+              >
+                Check your inbox
+              </motion.h1>
+
+              {/* Email display */}
+              <motion.div
+                initial={{ opacity: 0, y: 10 }}
+                animate={{ opacity: 1, y: 0 }}
+                transition={{ delay: 0.5 }}
+                className="mb-8"
+              >
+                <p className="text-muted-foreground mb-2">We sent a verification link to</p>
+                <div className="inline-flex items-center gap-2 px-4 py-2 rounded-lg bg-primary/5 border border-primary/20">
+                  <Mail className="w-4 h-4 text-primary" />
+                  <span className="font-mono text-sm text-foreground">{email}</span>
+                </div>
+                {error && (
+                  <p className="text-sm text-destructive mt-3">{error}</p>
+                )}
+              </motion.div>
+
+              {/* Instructions card */}
+              <motion.div
+                initial={{ opacity: 0, y: 10 }}
+                animate={{ opacity: 1, y: 0 }}
+                transition={{ delay: 0.6 }}
+                className="bg-card/50 backdrop-blur-sm rounded-xl border border-border p-6 mb-6"
+              >
+                <div className="flex items-start gap-4 text-left">
+                  <div className="w-8 h-8 rounded-lg bg-green-500/10 border border-green-500/20 flex items-center justify-center flex-shrink-0 mt-0.5">
+                    <CheckCircle2 className="w-4 h-4 text-green-500" />
+                  </div>
+                  <div className="flex-1">
+                    <p className="text-sm text-foreground font-medium mb-1">
+                      Click the link in the email to verify your account
+                    </p>
+                    <p className="text-sm text-muted-foreground mb-3">
+                      Didn't receive it? Check your spam folder.
+                    </p>
+
+                    {/* Resend success message */}
+                    {resendSuccess && (
+                      <p className="text-sm text-green-500 mb-3">
+                        ✓ Verification email resent!
+                      </p>
+                    )}
+
+                    {/* Action buttons */}
+                    <div className="flex items-center gap-3">
+                      <button 
+                        onClick={handleResend}
+                        disabled={resendLoading}
+                        className="text-sm text-primary hover:underline font-medium disabled:opacity-50"
+                      >
+                        {resendLoading ? 'Sending...' : 'Resend email'}
+                      </button>
+                      <span className="text-muted-foreground">·</span>
+                      <button 
+                        onClick={handleGoBack}
+                        disabled={resendLoading}
+                        className="text-sm text-muted-foreground hover:text-foreground disabled:opacity-50 disabled:cursor-not-allowed"
+                      >
+                        Use different email
+                      </button>
+                    </div>
+                  </div>
+                </div>
+              </motion.div>
+
+              {/* Back link */}
+              <motion.div
+                initial={{ opacity: 0 }}
+                animate={{ opacity: 1 }}
+                transition={{ delay: 0.7 }}
+              >
+                <Link 
+                  to="/login" 
+                  className={`inline-flex items-center gap-2 text-sm text-muted-foreground transition-colors ${
+                    resendLoading ? 'opacity-50 pointer-events-none' : 'hover:text-foreground'
+                  }`}
+                  onClick={(e) => resendLoading && e.preventDefault()}
+                >
+                  <ArrowLeft className="w-4 h-4" />
+                  Back to login
+                </Link>
+              </motion.div>
+            </motion.div>
+          ) : (
+            <>
+              <div className="text-center mb-8">
+                <h1 className="text-2xl font-semibold text-foreground mb-2">
+                  Create your account
+                </h1>
+                <p className="text-sm text-muted-foreground">
+                  Free for open source projects
+                </p>
+              </div>
 
-          <div className="bg-card rounded-lg border border-border p-6">
-            <form onSubmit={handleSubmit} className="space-y-4">
-              {error && (
-                <Alert variant="destructive" className="bg-destructive/10 border-destructive/20">
-                  <AlertDescription>{error}</AlertDescription>
-                </Alert>
-              )}
+              <div className="bg-card rounded-lg border border-border p-6">
+                <form onSubmit={handleSubmit} className="space-y-4">
+                  {error && (
+                    <Alert variant="destructive" className="bg-destructive/10 border-destructive/20">
+                      <AlertDescription>{error}</AlertDescription>
+                    </Alert>
+                  )}
 
               <div className="space-y-2">
                 <Label htmlFor="email">Email</Label>
@@ -242,6 +400,8 @@ export function SignupForm() {
               Sign in
             </Link>
           </p>
+            </>
+          )}
         </div>
       </div>
     </div>