feat: add breath colors

database/migrations/2026_06_15_130000_add_colors_to_breathing_templates_table.php

@@ -0,0 +1,23 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::table('breathing_templates', function (Blueprint $table) {
+            // One or more hex colors: a single solid color or a gradient.
+            $table->json('colors')->nullable()->after('image_id');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('breathing_templates', function (Blueprint $table) {
+            $table->dropColumn('colors');
+        });
+    }
+};

database/migrations/2026_06_15_140000_create_breathing_colors_table.php

@@ -0,0 +1,25 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::create('breathing_colors', function (Blueprint $table) {
+            $table->id();
+            $table->string('name')->nullable();
+            $table->json('colors');          // one hex (solid) or several (gradient)
+            $table->integer('order')->default(0);
+            $table->boolean('is_active')->default(true);
+            $table->timestamps();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('breathing_colors');
+    }
+};

database/migrations/2026_06_15_150000_use_breathing_color_id_on_templates.php

@@ -0,0 +1,28 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::table('breathing_templates', function (Blueprint $table) {
+            if (Schema::hasColumn('breathing_templates', 'colors')) {
+                $table->dropColumn('colors');
+            }
+            $table->foreignId('breathing_color_id')->nullable()->after('image_id')
+                ->constrained('breathing_colors')->nullOnDelete();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('breathing_templates', function (Blueprint $table) {
+            $table->dropForeign(['breathing_color_id']);
+            $table->dropColumn('breathing_color_id');
+            $table->json('colors')->nullable();
+        });
+    }
+};