PR Vision v0.1.1: rename from peptide-geo-monitor + P2 fixes

- Exhaustive rename: PGM_ -> PRV_, pgm_ -> prv_, text domain and
  slug peptide-geo-monitor -> pr-vision, admin menu GEO Monitor ->
  PR Vision, main file peptide-geo-monitor.php -> pr-vision.php,
  DB table pgm_ai_visibility -> prv_ai_visibility.
- P2-A: replace ltrim($host,'www.') character-mask with
  str_starts_with/substr prefix strip in PRV_Citation_Detector.
  Adds test coverage for wikipedia.org, webmd.com survival.
- P2-B: drop continue-on-error: true from PHPCS CI step;
  WordPress Coding Standards now gates the build.
- P2-C: remove dead in-run cache from PRV_Probe_Runner::run();
  each (peptide, intent, model) triplet is visited once per run,
  cache hit is structurally impossible.
- Version bump 0.1.0 -> 0.1.1 + CHANGELOG [0.1.1] entry.

Agent-Session: pr-vision rename v0.1.1

uninstall.php

@@ -1,13 +1,13 @@
 <?php
 /**
- * Peptide GEO Monitor — full data teardown on uninstall.
+ * PR Vision — full data teardown on uninstall.
  *
- * Drops the custom pgm_ai_visibility table and deletes every wp_options
- * row whose name starts with "pgm_". WP-Cron events are already cleared
- * by PGM_Deactivator on deactivation; this runs after that.
+ * Drops the custom prv_ai_visibility table and deletes every wp_options
+ * row whose name starts with "prv_". WP-Cron events are already cleared
+ * by PRV_Deactivator on deactivation; this runs after that.
  *
  * @see ARCHITECTURE.md — §Uninstall specification.
- * @see class-pgm-deactivator.php — Clears cron on deactivation.
+ * @see class-prv-deactivator.php — Clears cron on deactivation.
  */
 
 if ( ! defined( 'WP_UNINSTALL_PLUGIN' ) ) {
@@ -18,17 +18,17 @@ global $wpdb;
 
 /* ── 1. Drop the custom table ─────────────────────────────────────── */
 
-$table = $wpdb->prefix . 'pgm_ai_visibility';
+$table = $wpdb->prefix . 'prv_ai_visibility';
 // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.SchemaChange, WordPress.DB.PreparedSQL.InterpolatedNotPrepared
 $wpdb->query( "DROP TABLE IF EXISTS {$table}" );
 
-/* ── 2. Delete all pgm_ prefixed options ──────────────────────────── */
+/* ── 2. Delete all prv_ prefixed options ──────────────────────────── */
 
 // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery
 $wpdb->query(
-	"DELETE FROM {$wpdb->options} WHERE option_name LIKE 'pgm\_%'"
+	"DELETE FROM {$wpdb->options} WHERE option_name LIKE 'prv\_%'"
 );
 
 /* ── 3. Clear any remaining scheduled cron events ─────────────────── */
 
-wp_clear_scheduled_hook( 'pgm_weekly_probe' );
+wp_clear_scheduled_hook( 'prv_weekly_probe' );