Add project listing selector, confirmed revision and private 3MF renders

database/migrations/2026_11_08_001000_add_current_revision_to_projects_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::table('projects', function (Blueprint $table): void {
+            $table->foreignId('current_revision_id')->nullable()->after('stage')
+                ->constrained('project_revisions')->nullOnDelete();
+            $table->unsignedInteger('lock_version')->default(0)->after('archived_at');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('projects', function (Blueprint $table): void {
+            $table->dropConstrainedForeignId('current_revision_id');
+            $table->dropColumn('lock_version');
+        });
+    }
+};

database/migrations/2026_11_08_001100_create_project_file_renders_table.php

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+<?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('project_file_renders', function (Blueprint $table): void {
+            $table->id();
+            $table->foreignId('project_file_id')->unique()->constrained('project_files')->cascadeOnDelete();
+            $table->string('renderer');
+            $table->string('mime_type');
+            $table->string('storage_key')->unique();
+            $table->unsignedInteger('width');
+            $table->unsignedInteger('height');
+            $table->unsignedInteger('triangle_count');
+            $table->unsignedInteger('instance_count');
+            $table->text('alt_text');
+            $table->unsignedBigInteger('byte_size');
+            $table->string('sha256', 64);
+            // Legacy users.id is signed INT, not bigint.
+            $table->integer('generated_by');
+            $table->foreign('generated_by')->references('id')->on('users')->restrictOnDelete();
+            $table->timestamp('generated_at');
+            $table->timestamps();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('project_file_renders');
+    }
+};