peptide-geo-monitor v0.1.0: internal AI-visibility dashboard (#1)

New internal plugin: weekly LLM probes of core peptides (Perplexity sonar + GPT/Gemini-search via OpenRouter/CF gateway) -> custom table -> wp-admin trendline + standings. Provider interface + cost ledger w/ hard $5/mo cap + collector/panel seam (AI-visibility only). v1 = AI-visibility only.

QA: APPROVE-WITH-P2-NOTES — qa-reviews/peptide-geo-monitor/2026-06-13-f488f4a966cbb9e771d3abc20daee3fa49074520.md (P2 follow-ups: ltrim www display bug, PHPCS mandatory, dead cache)

Agent-Session: geomonitor v0.1.0 merge

includes/core/class-pgm-activator.php

@@ -0,0 +1,32 @@
+<?php
+declare(strict_types=1);
+
+/**
+ * Plugin activation handler.
+ *
+ * Creates the custom database table via dbDelta and registers the weekly
+ * WP-Cron probe schedule. Safe to call on re-activation — dbDelta is
+ * idempotent and the cron schedule is only added when absent.
+ *
+ * Who triggers: register_activation_hook() in peptide-geo-monitor.php.
+ * Dependencies: PGM_Table_Manager, PGM_Cron, PGM_Config.
+ *
+ * @see class-pgm-table-manager.php — Database schema creation.
+ * @see class-pgm-cron.php          — Cron scheduling.
+ * @package PeptideGeoMonitor
+ */
+class PGM_Activator {
+
+	/**
+	 * Run all activation tasks.
+	 *
+	 * Side effects: Creates DB table, writes default options, schedules cron.
+	 *
+	 * @return void
+	 */
+	public static function activate(): void {
+		PGM_Table_Manager::create_table();
+		PGM_Config::seed_defaults();
+		PGM_Cron::schedule_weekly();
+	}
+}