Model ticket link counterparts explicitly

tests/Feature/Models/TicketLinkTest.php

@@ -20,9 +20,9 @@ class TicketLinkTest extends TestCase
     use RefreshDatabase;
 
     /**
-     * Ensure the ticket link factory normalizes the stored source and target ticket ids.
+     * Ensure the ticket link factory preserves the provided source and target direction.
      */
-    public function test_ticket_link_factory_normalizes_ticket_order(): void
+    public function test_ticket_link_factory_preserves_ticket_direction(): void
     {
         $project = Project::factory()->create([
             'key' => 'CORE',
@@ -61,8 +61,8 @@ class TicketLinkTest extends TestCase
             'ticket_link_type_id' => $ticketLinkType->id,
         ]);
 
-        $this->assertSame($firstTicket->id, $ticketLink->source_ticket_id);
-        $this->assertSame($secondTicket->id, $ticketLink->target_ticket_id);
+        $this->assertSame($secondTicket->id, $ticketLink->source_ticket_id);
+        $this->assertSame($firstTicket->id, $ticketLink->target_ticket_id);
     }
 
     /**

tests/Feature/Models/TicketLinkTypeTest.php

@@ -22,6 +22,7 @@ class TicketLinkTypeTest extends TestCase
 
         $this->assertNotNull($ticketLinkType->project_id);
         $this->assertIsString($ticketLinkType->label);
+        $this->assertSame($ticketLinkType->label, $ticketLinkType->counterpart_label);
     }
 
     /**
@@ -39,12 +40,14 @@ class TicketLinkTypeTest extends TestCase
         $this->assertDatabaseHas('ticket_link_types', [
             'project_id' => $coreProject->id,
             'label' => 'Relates to',
+            'counterpart_label' => 'Relates to',
             'position' => 1,
         ]);
 
         $this->assertDatabaseHas('ticket_link_types', [
             'project_id' => $coreProject->id,
             'label' => 'Blocks',
+            'counterpart_label' => 'Blocked by',
             'position' => 2,
         ]);
     }