feat: MCP profile tools; ProfileUpdater/ProfilePresenter shared with /me; docs and Caddy snippet for /mcp

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01BCrwHHnGCB5XH968Nxokqw

core/app/Users/ProfileUpdater.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace App\Users;
+
+use App\Models\User;
+use Illuminate\Support\Facades\Validator;
+use Illuminate\Validation\Rule;
+use Illuminate\Validation\ValidationException;
+
+/** Правка профиля — пояс и тихие часы; правила одни для инбокса и агента. */
+final class ProfileUpdater
+{
+    /**
+     * @param  array<string,mixed>  $input  любое подмножество tz, quiet_start, quiet_end (HH:MM)
+     *
+     * @throws ValidationException
+     */
+    public function update(User $user, array $input): User
+    {
+        $data = Validator::validate($input, [
+            'tz' => ['sometimes', 'string', Rule::in(\DateTimeZone::listIdentifiers())],
+            'quiet_start' => ['sometimes', 'date_format:H:i'],
+            'quiet_end' => ['sometimes', 'date_format:H:i'],
+        ]);
+
+        $start = $data['quiet_start'] ?? substr($user->quiet_start, 0, 5);
+        $end = $data['quiet_end'] ?? substr($user->quiet_end, 0, 5);
+        if ($end >= $start) {
+            throw ValidationException::withMessages([
+                'quiet_end' => 'Тихие часы должны переходить через полночь: quiet_end раньше quiet_start',
+            ]);
+        }
+
+        $user->fill([
+            'tz' => $data['tz'] ?? $user->tz,
+            'quiet_start' => $start.':00',
+            'quiet_end' => $end.':00',
+        ])->save();
+
+        return $user;
+    }
+}