Refactor point value object and add observability

server/migrations/Version20251010102708.php

@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+final class Version20251010102708 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Split signal coordinates into user and signal embeddables';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql('CREATE TABLE __temp__signals (id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, user_key VARCHAR(64) NOT NULL, created_at DATETIME NOT NULL, user_lat DOUBLE PRECISION NOT NULL, user_lng DOUBLE PRECISION NOT NULL, signal_lat DOUBLE PRECISION NOT NULL, signal_lng DOUBLE PRECISION NOT NULL)');
+        $this->addSql('INSERT INTO __temp__signals (id, user_key, created_at, user_lat, user_lng, signal_lat, signal_lng) SELECT id, user_key, created_at, lat, lng, lat, lng FROM signals');
+        $this->addSql('DROP TABLE signals');
+        $this->addSql('ALTER TABLE __temp__signals RENAME TO signals');
+        $this->addSql('CREATE INDEX idx_signals_created_at ON signals (created_at)');
+        $this->addSql('CREATE INDEX idx_signals_user_key ON signals (user_key)');
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql('CREATE TABLE __temp__signals (id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, user_key VARCHAR(64) NOT NULL, lat DOUBLE PRECISION NOT NULL, lng DOUBLE PRECISION NOT NULL, created_at DATETIME NOT NULL)');
+        $this->addSql('INSERT INTO __temp__signals (id, user_key, lat, lng, created_at) SELECT id, user_key, signal_lat, signal_lng, created_at FROM signals');
+        $this->addSql('DROP TABLE signals');
+        $this->addSql('ALTER TABLE __temp__signals RENAME TO signals');
+        $this->addSql('CREATE INDEX idx_signals_created_at ON signals (created_at)');
+        $this->addSql('CREATE INDEX idx_signals_user_key ON signals (user_key)');
+    }
+}