feat: ticket views, statuses, participants, merge; mobile layout fixes (#5)

- New migrations: ticket views, statuses, participants, merge support
- New models: TicketView, TicketStatus, TicketParticipant
- New seeder: EmailTemplatesSeeder
- Console commands for ticketing
- Mobile: sidebar min-w-0/overflow-hidden, tab nav overflow-x-auto

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/Models/PriorityLevel.php

@@ -3,19 +3,13 @@
 namespace Dashboard\Ticketing\Models;
 
 use Illuminate\Database\Eloquent\Model;
-use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\HasMany;
 
 class PriorityLevel extends Model
 {
     protected $table = 'ticketing_priority_levels';
 
-    protected $fillable = ['group_id', 'name', 'color', 'description', 'sort_order'];
-
-    public function group(): BelongsTo
-    {
-        return $this->belongsTo(TicketingGroup::class, 'group_id');
-    }
+    protected $fillable = ['name', 'color', 'description', 'sort_order'];
 
     public function tickets(): HasMany
     {

src/Models/Ticket.php

@@ -10,7 +10,7 @@ class Ticket extends Model
 {
     protected $fillable = [
         'number', 'group_id', 'submitter_id', 'assigned_to', 'project_id',
-        'title', 'description', 'status', 'priority_id', 'due_date',
+        'title', 'description', 'status', 'priority_id', 'due_date', 'merged_into_id',
     ];
 
     protected $casts = [
@@ -41,4 +41,19 @@ class Ticket extends Model
     {
         return $this->hasMany(TicketAttachment::class, 'ticket_id');
     }
+
+    public function views(): HasMany
+    {
+        return $this->hasMany(TicketView::class, 'ticket_id')->orderBy('viewed_at');
+    }
+
+    public function participants(): HasMany
+    {
+        return $this->hasMany(TicketParticipant::class, 'ticket_id');
+    }
+
+    public function mergedInto(): BelongsTo
+    {
+        return $this->belongsTo(Ticket::class, 'merged_into_id');
+    }
 }

src/Models/TicketParticipant.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace Dashboard\Ticketing\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class TicketParticipant extends Model
+{
+    public $timestamps = false;
+
+    const CREATED_AT = 'created_at';
+
+    protected $fillable = ['ticket_id', 'user_id', 'added_by'];
+
+    public function ticket(): BelongsTo
+    {
+        return $this->belongsTo(Ticket::class, 'ticket_id');
+    }
+}

src/Models/TicketStatus.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace Dashboard\Ticketing\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+class TicketStatus extends Model
+{
+    protected $table = 'ticketing_statuses';
+
+    protected $fillable = ['slug', 'name', 'color', 'sort_order', 'is_closed', 'is_system'];
+
+    protected $casts = [
+        'is_closed' => 'boolean',
+        'is_system' => 'boolean',
+    ];
+
+    public function tickets(): HasMany
+    {
+        return $this->hasMany(Ticket::class, 'status', 'slug');
+    }
+}

src/Models/TicketView.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace Dashboard\Ticketing\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class TicketView extends Model
+{
+    public $timestamps = false;
+
+    protected $table    = 'ticket_views';
+    protected $fillable = ['ticket_id', 'user_id', 'viewed_at'];
+    protected $casts    = ['viewed_at' => 'datetime'];
+
+    public function ticket(): BelongsTo
+    {
+        return $this->belongsTo(Ticket::class);
+    }
+}