feat: implement internship journal entry system with printable reports and approval workflow

database/migrations/2026_07_01_180000_create_internship_journal_entries_table.php

@@ -0,0 +1,36 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('internship_journal_entries', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('career_application_id')
+                ->constrained('career_applications')
+                ->onDelete('cascade');
+            $table->integer('day_number');
+            $table->date('date');
+            $table->text('content')->nullable();
+            $table->timestamps();
+
+            $table->unique(['career_application_id', 'day_number'], 'journal_app_day_unique');
+            $table->unique(['career_application_id', 'date'], 'journal_app_date_unique');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('internship_journal_entries');
+    }
+};

database/migrations/2026_07_01_180001_add_notebook_approval_fields_to_career_applications.php

@@ -0,0 +1,38 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('career_applications', function (Blueprint $table) {
+            $table->boolean('notebook_supervisor_signed')->default(false);
+            $table->string('notebook_supervisor_name')->nullable();
+            $table->boolean('notebook_unit_signed')->default(false);
+            $table->string('notebook_unit_name')->nullable();
+            $table->boolean('notebook_approved')->default(false);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('career_applications', function (Blueprint $table) {
+            $table->dropColumn([
+                'notebook_supervisor_signed',
+                'notebook_supervisor_name',
+                'notebook_unit_signed',
+                'notebook_unit_name',
+                'notebook_approved'
+            ]);
+        });
+    }
+};