feat(projects): source+name dedup with human messages on create

app/app/Services/Project/ProjectService.php

@@ -213,6 +213,56 @@ class ProjectService
         return ['updated' => $updated, 'skipped' => $skipped, 'warnings' => []];
     }
 
+    private function assertNameUnique(int $tenantId, string $name, ?int $exceptId = null): void
+    {
+        $q = Project::where('tenant_id', $tenantId)->where('name', $name);
+        if ($exceptId !== null) {
+            $q->where('id', '!=', $exceptId);
+        }
+        if ($q->exists()) {
+            throw new HttpResponseException(response()->json([
+                'errors' => ['name' => ['Проект с таким названием у вас уже есть. Выберите другое название.']],
+            ], 422));
+        }
+    }
+
+    /** @param array<string,mixed> $data */
+    private function assertSourceUnique(int $tenantId, array $data, ?int $exceptId = null): void
+    {
+        $signalType = $data['signal_type'] ?? null;
+        $q = Project::where('tenant_id', $tenantId)->where('signal_type', $signalType);
+        if ($exceptId !== null) {
+            $q->where('id', '!=', $exceptId);
+        }
+
+        if (in_array($signalType, ['call', 'site'], true)) {
+            $identifier = (string) ($data['signal_identifier'] ?? '');
+            if ($identifier === '') {
+                return;
+            }
+            $q->where('signal_identifier', $identifier);
+        } elseif ($signalType === 'sms') {
+            $senders = (array) ($data['sms_senders'] ?? []);
+            $norm = collect($senders)->map(fn ($s) => mb_strtolower(trim((string) $s)))->sort()->values()->all();
+            if ($norm === []) {
+                return;
+            }
+            $keyword = $data['sms_keyword'] ?? null;
+            $q->where('sms_keyword', $keyword)
+                ->whereJsonContains('sms_senders', $norm)
+                ->whereRaw('jsonb_array_length(sms_senders::jsonb) = ?', [count($norm)]);
+        } else {
+            return;
+        }
+
+        $existing = $q->first();
+        if ($existing !== null) {
+            throw new HttpResponseException(response()->json([
+                'errors' => ['signal_identifier' => ["У вас уже есть проект с этим источником: «{$existing->name}»."]],
+            ], 422));
+        }
+    }
+
     public function create(Tenant $tenant, array $data): Project
     {
         $limit = (int) ($tenant->limits['max_projects'] ?? 10);
@@ -230,6 +280,10 @@ class ProjectService
         // PhonePrefixService / LeadRouter, удаляются в Plan 6.5 после переключения читателей.
         $data['region_mask'] = 255;
         $data['region_mode'] = 'include';
+
+        $this->assertNameUnique($tenant->id, (string) $data['name']);
+        $this->assertSourceUnique($tenant->id, $data);
+
         $project = Project::create($data);
 
         SyncSupplierProjectJob::dispatch($project->id);