Add password change page for user profiles

- New ProfileController with editPassword/updatePassword actions that verify
  the current password and require a confirmed new password of at least 8 chars
- Adds /profile/password GET/PUT routes behind auth middleware
- Adds profile.password blade view with form validation error display
- Links "Change Password" in the app layout sidebar

src/app/Http/Controllers/ProfileController.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use Illuminate\Http\RedirectResponse;
+use Illuminate\Http\Request;
+use Illuminate\Validation\Rules\Password;
+use Illuminate\View\View;
+
+class ProfileController extends Controller
+{
+    public function editPassword(): View
+    {
+        return view('profile.password');
+    }
+
+    public function updatePassword(Request $request): RedirectResponse
+    {
+        $data = $request->validate([
+            'current_password' => ['required', 'current_password'],
+            'password' => ['required', 'string', 'confirmed', Password::min(8)],
+        ]);
+
+        $request->user()->update(['password' => $data['password']]);
+
+        return redirect()
+            ->route('profile.password.edit')
+            ->with('status', 'Your password has been updated.');
+    }
+}

src/resources/views/layouts/app.blade.php

@@ -61,6 +61,7 @@
                             <a href="{{ route('teams.index') }}" class="block px-4 py-2 text-sm text-gray-700 hover:bg-gray-50">Teams</a>
                             <a href="{{ route('categories.index') }}" class="block px-4 py-2 text-sm text-gray-700 hover:bg-gray-50">Categories</a>
                             <a href="{{ route('api-keys.index') }}" class="block px-4 py-2 text-sm text-gray-700 hover:bg-gray-50">API Keys</a>
+                            <a href="{{ route('profile.password.edit') }}" class="block px-4 py-2 text-sm text-gray-700 hover:bg-gray-50">Change Password</a>
                         </div>
                     </div>
 

src/resources/views/profile/password.blade.php

@@ -0,0 +1,43 @@
+@extends('layouts.app')
+
+@section('title', 'Change Password — ' . config('app.name'))
+
+@section('content')
+    <div class="mx-auto max-w-md rounded-lg border border-gray-200 bg-white p-8">
+        <h1 class="mb-2 text-2xl font-bold">Change password</h1>
+        <p class="mb-6 text-gray-600">Update the password for your account.</p>
+
+        <form method="POST" action="{{ route('profile.password.update') }}">
+            @csrf
+            @method('PUT')
+
+            <div class="mb-4">
+                <label for="current_password" class="mb-1 block font-semibold">Current password</label>
+                <input id="current_password" type="password" name="current_password" required autofocus autocomplete="current-password"
+                       class="w-full rounded-md border border-gray-300 px-3 py-2 focus:border-secondary focus:outline-none focus:ring-2 focus:ring-secondary/40">
+                @error('current_password')
+                    <p class="mt-1 text-sm text-red-700">{{ $message }}</p>
+                @enderror
+            </div>
+
+            <div class="mb-4">
+                <label for="password" class="mb-1 block font-semibold">New password</label>
+                <input id="password" type="password" name="password" required autocomplete="new-password"
+                       class="w-full rounded-md border border-gray-300 px-3 py-2 focus:border-secondary focus:outline-none focus:ring-2 focus:ring-secondary/40">
+                @error('password')
+                    <p class="mt-1 text-sm text-red-700">{{ $message }}</p>
+                @enderror
+            </div>
+
+            <div class="mb-6">
+                <label for="password_confirmation" class="mb-1 block font-semibold">Confirm new password</label>
+                <input id="password_confirmation" type="password" name="password_confirmation" required autocomplete="new-password"
+                       class="w-full rounded-md border border-gray-300 px-3 py-2 focus:border-secondary focus:outline-none focus:ring-2 focus:ring-secondary/40">
+            </div>
+
+            <div class="flex gap-2">
+                <button type="submit" class="cursor-pointer rounded-md bg-primary px-4 py-2 font-medium text-white hover:bg-primary-hover">Update password</button>
+            </div>
+        </form>
+    </div>
+@endsection

src/routes/web.php

@@ -7,6 +7,7 @@ use App\Http\Controllers\CategoryController;
 use App\Http\Controllers\GroupAdminController;
 use App\Http\Controllers\KpiController;
 use App\Http\Controllers\KpiEntryController;
+use App\Http\Controllers\ProfileController;
 use App\Http\Controllers\ProjectController;
 use App\Http\Controllers\ProjectEntryController;
 use App\Http\Controllers\TeamController;
@@ -81,6 +82,10 @@ Route::middleware('auth')->group(function () {
     Route::put('/categories/{category}', [CategoryController::class, 'update'])->name('categories.update');
     Route::delete('/categories/{category}', [CategoryController::class, 'destroy'])->name('categories.destroy');
 
+    // Profile
+    Route::get('/profile/password', [ProfileController::class, 'editPassword'])->name('profile.password.edit');
+    Route::put('/profile/password', [ProfileController::class, 'updatePassword'])->name('profile.password.update');
+
     // API keys
     Route::get('/api-keys', [ApiKeyController::class, 'index'])->name('api-keys.index');
     Route::post('/api-keys', [ApiKeyController::class, 'store'])->name('api-keys.store');