Add integrations health monitoring

database/migrations/2026_01_02_175042_create_integration_webhook_events_table.php

@@ -0,0 +1,40 @@
+<?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('integration_webhook_events', function (Blueprint $table) {
+            $table->id();
+            $table->string('provider', 40);
+            $table->string('event_id', 191)->nullable();
+            $table->string('event_type', 120)->nullable();
+            $table->string('status', 30)->default('received');
+            $table->timestamp('received_at');
+            $table->timestamp('processed_at')->nullable();
+            $table->timestamp('failed_at')->nullable();
+            $table->string('error_message', 500)->nullable();
+            $table->json('context')->nullable();
+            $table->timestamps();
+
+            $table->index(['provider', 'status']);
+            $table->index(['provider', 'received_at']);
+            $table->index(['provider', 'event_id']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('integration_webhook_events');
+    }
+};