Migration & Datapool created with job and scheduler backend->frontend(public) schema

database/migrations/2025_11_16_150000_create_backend_data_pool_table.php

@@ -0,0 +1,70 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * Creates a denormalized data pool table that contains the result of:
+     * SELECT * FROM backend.transactions t
+     * LEFT JOIN backend.transaction_outputs tout ON t.id = tout.transaction_id
+     * WHERE t.status = 'done'
+     */
+    public function up(): void
+    {
+        Schema::create('backend_data_pool', function (Blueprint $table) {
+            $table->id();
+
+            // ===================================
+            // FROM backend.transactions (t.*)
+            // ===================================
+            $table->integer('transaction_id')->index();
+            $table->text('corporate_entity');
+            $table->text('corporate_counterparty');
+            $table->text('tx_date');
+            $table->double('tx_amount');
+            $table->text('tx_currency')->nullable();
+            $table->text('tx_purpose')->nullable();
+            $table->text('tx_country_outgoing')->nullable();
+            $table->text('tx_country_incoming')->nullable();
+            $table->text('source_file')->nullable();
+            $table->text('raw_payload')->nullable();
+            $table->text('status')->index();
+            $table->text('created_at');
+            $table->text('last_modified_at');
+
+            // ===================================
+            // FROM backend.transaction_outputs (tout.*)
+            // ===================================
+            $table->integer('prompt_id');
+            $table->text('output_key')->index();
+            $table->text('content');
+            $table->integer('run_id')->nullable();
+
+            // ===================================
+            // Metadata for tracking sync
+            // ===================================
+            $table->timestamp('synced_at')->useCurrent();
+            $table->timestamp('updated_at')->nullable();
+
+            // ===================================
+            // Composite Indexes for Performance
+            // ===================================
+            $table->index(['transaction_id', 'output_key']);
+            $table->index(['transaction_id', 'prompt_id']);
+            $table->index('synced_at');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('backend_data_pool');
+    }
+};