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MxChat – AI Chatbot & Content Generation for WordPress / 3.2.7
MxChat – AI Chatbot & Content Generation for WordPress v3.2.7
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← All changes | mxchat-basic.php +102 -788 3.2.203.2.7 View file →
@@ -2,9 +2,9 @@
2 2 /**
3 3 * Plugin Name: MxChat
4 4 * Plugin URI: https://mxchat.ai/
5 5 * Description: AI chatbot for WordPress with OpenAI, Claude, xAI, DeepSeek, live agent, PDF uploads, WooCommerce, and training on website data.
6 - * Version: 3.2.20
6 + * Version: 3.2.7
7 7 * Author: MxChat
8 8 * Author URI: https://mxchat.ai
9 9 * License: GPLv2 or later
10 10 * License URI: https://www.gnu.org/licenses/gpl-2.0.html
@@ -23,16 +23,8 @@
23 23
24 24 if (!defined('MXCHAT_VERSION')) {
25 25 $plugin_data = get_file_data(__FILE__, array('Version' => 'Version'), 'plugin');
26 26 $version = $plugin_data['Version'];
27 - // MXCHAT_BASE_VERSION: the plain header version, stable across requests even in
28 - // dev mode. Use it for anything PERSISTED or COMPARED (the stored
29 - // mxchat_plugin_version option and the migration gate in
30 - // mxchat_check_for_update). MXCHAT_VERSION keeps the time() suffix in dev for
31 - // ASSET cache-busting only — persisting the suffixed value made the version
32 - // comparison churn every request, re-running the full activation/migration
33 - // suite per page load on dev installs.
34 - define('MXCHAT_BASE_VERSION', $version);
35 27 if (MXCHAT_DEV_MODE) {
36 28 $version .= '.' . time();
37 29 }
38 30 define('MXCHAT_VERSION', $version);
@@ -37,84 +29,8 @@
37 29 }
38 30 define('MXCHAT_VERSION', $version);
39 31 }
40 32
41 -/**
42 - * Default confidence floor for the in-chat YouTube card, as a percentage
43 - * (plan-mxchat-20260813-f52492). Higher than the site-wide Similarity
44 - * Threshold default of 35 by design — see MxChat_Utils::video_embed_threshold().
45 - * Declared here so the gate, the admin field and the tests all read ONE number.
46 - */
47 -if (!defined('MXCHAT_VIDEO_EMBED_THRESHOLD_DEFAULT')) {
48 - define('MXCHAT_VIDEO_EMBED_THRESHOLD_DEFAULT', 55);
49 -}
50 -
51 -/**
52 - * One-time install stamp: records the plain version this site first ran, so
53 - * behavior defaults can differ between fresh installs and upgrades without
54 - * touching anyone's stored settings. Mirrors mxchat-mcp's 1.0.7 stamp shape
55 - * (plan 7b578e); first consumer is the "Strip unapproved links" default
56 - * (plan 58f8b4). Runs at init priority 1 — BEFORE initialize_default_options
57 - * (init 20) writes mxchat_options on a fresh site's first request, because
58 - * that option's pre-existing presence is how an upgrade is recognized.
59 - */
60 -function mxchat_stamp_install_version() {
61 - if (get_option('mxchat_installed_at_version', '') !== '') {
62 - return;
63 - }
64 - $existing = get_option('mxchat_options', false) !== false;
65 - $version = defined('MXCHAT_BASE_VERSION') ? MXCHAT_BASE_VERSION : '0.0.0';
66 - update_option('mxchat_installed_at_version', $existing ? 'legacy' : $version, false);
67 -}
68 -add_action('init', 'mxchat_stamp_install_version', 1);
69 -
70 -/**
71 - * Stamp-derived default for the "Strip unapproved links" toggle (plan 58f8b4,
72 - * option-c split of the old Citation Links conflation): 'on' only for installs
73 - * born at 3.2.20+. A missing or 'legacy' stamp means the site predates the
74 - * setting — keep 'off' so no existing site's links start vanishing on update.
75 - */
76 -function mxchat_strip_unapproved_links_default() {
77 - $stamp = get_option('mxchat_installed_at_version', '');
78 - if ($stamp === '' || $stamp === 'legacy') {
79 - return 'off';
80 - }
81 - return version_compare($stamp, '3.2.20', '>=') ? 'on' : 'off';
82 -}
83 -
84 -/**
85 - * Effective state of "Strip unapproved links": an explicitly saved option
86 - * always wins; until one exists the install-stamp default governs. Read via
87 - * a fresh get_option on purpose — the response URL guard runs late in the
88 - * request and must see a value saved moments earlier.
89 - */
90 -function mxchat_strip_unapproved_links_enabled() {
91 - $opts = get_option('mxchat_options', array());
92 - if (is_array($opts) && isset($opts['strip_unapproved_links_toggle'])) {
93 - return $opts['strip_unapproved_links_toggle'] === 'on';
94 - }
95 - return mxchat_strip_unapproved_links_default() === 'on';
96 -}
97 -
98 -/**
99 - * Honest, versioned User-Agent for MXChat remote-content ingestion fetches
100 - * (Knowledge Base PDF import, URL import, sitemap / website crawl).
101 - *
102 - * WAF rulesets (SiteGround/ModSecurity, Wordfence, Cloudflare managed rules)
103 - * flag stale spoofed-browser UAs as scrapers and return 403 — which silently
104 - * broke the single most common KB source: self-hosted media on the site's own
105 - * domain. A truthful crawler identifier is the industry norm for well-behaved
106 - * bots and lets a site owner allowlist "MXChatBot" in their WAF. Filterable so
107 - * a locked-down host can supply a different string without a code change.
108 - */
109 -if (!function_exists('mxchat_ingest_user_agent')) {
110 - function mxchat_ingest_user_agent() {
111 - $version = defined('MXCHAT_VERSION') ? MXCHAT_VERSION : '1.0';
112 - $ua = 'MXChatBot/' . $version . ' (+https://mxchat.ai/bot)';
113 - return apply_filters('mxchat_ingest_user_agent', $ua);
114 - }
115 -}
116 -
117 33 function mxchat_load_textdomain() {
118 34 $domain = 'mxchat';
119 35 $locale = determine_locale();
120 36
@@ -173,41 +89,8 @@
173 89 update_option('mxchat_grok_2_remap_done', 1);
174 90 });
175 91
176 92 /**
177 - * One-time migration: Anthropic retired the Claude 4 (2025-05-14) snapshots on
178 - * June 15, 2026 — claude-opus-4-20250514 and claude-sonnet-4-20250514 now return
179 - * an API error. Existing installs with a dead ID get auto-remapped to the current
180 - * equivalents Anthropic recommends (Opus 4.8 / Sonnet 4.6) the first time admin_init
181 - * fires after update. Mirrors the gemini-3-pro-preview / grok-2 rescues above.
182 - */
183 -add_action('admin_init', function () {
184 - if (get_option('mxchat_claude_4_retire_remap_done')) {
185 - return;
186 - }
187 - $map = array(
188 - 'claude-opus-4-20250514' => 'claude-opus-4-8',
189 - 'claude-sonnet-4-20250514' => 'claude-sonnet-4-6',
190 - );
191 - $opts = get_option('mxchat_options');
192 - if (is_array($opts)) {
193 - $changed = false;
194 - if (isset($opts['model']) && isset($map[$opts['model']])) {
195 - $opts['model'] = $map[$opts['model']];
196 - $changed = true;
197 - }
198 - if (isset($opts['content_model']) && isset($map[$opts['content_model']])) {
199 - $opts['content_model'] = $map[$opts['content_model']];
200 - $changed = true;
201 - }
202 - if ($changed) {
203 - update_option('mxchat_options', $opts);
204 - }
205 - }
206 - update_option('mxchat_claude_4_retire_remap_done', 1);
207 -});
208 -
209 -/**
210 93 * Exclude MxChat assets from caching plugin optimizations
211 94 *
212 95 * This prevents issues with WP Rocket, LiteSpeed Cache, Autoptimize, WP Super Cache,
213 96 * W3 Total Cache, SG Optimizer, and similar plugins that may break the chatbot by
@@ -466,32 +349,21 @@
466 349
467 350 // Include classes with error handling
468 351 function mxchat_include_classes() {
469 352 $class_files = array(
470 - 'includes/class-mxchat-model-catalog.php',
471 - 'includes/class-mxchat-model-liveness.php',
472 - 'includes/class-mxchat-session-store.php',
473 - 'includes/class-mxchat-live-agent-schedule.php',
474 - 'includes/class-mxchat-tool-registry.php',
475 353 'includes/class-mxchat-integrator.php',
476 354 'includes/class-mxchat-admin.php',
477 355 'includes/class-mxchat-public.php',
478 - 'includes/class-mxchat-block.php',
479 - 'includes/class-mxchat-elementor.php',
480 356 'includes/class-mxchat-utils.php',
481 357 'includes/class-mxchat-user.php',
482 - 'includes/class-mxchat-privacy.php',
483 358 'includes/class-mxchat-meta-box.php',
484 359 'includes/class-mxchat-chunker.php',
485 360 'includes/class-mxchat-word-handler.php',
486 361 'includes/class-mxchat-content-generator.php',
487 - 'includes/class-mxchat-cache-purge.php',
488 - 'includes/class-mxchat-editor-assistant.php',
489 362 'includes/class-rest-api.php',
490 363 'admin/class-ajax-handler.php',
491 364 'admin/class-pinecone-manager.php',
492 - 'admin/class-knowledge-manager.php',
493 - 'admin/class-vectorstore-manager.php'
365 + 'admin/class-knowledge-manager.php'
494 366 );
495 367
496 368 foreach ($class_files as $file) {
497 369 $file_path = plugin_dir_path(__FILE__) . $file;
@@ -501,59 +373,8 @@
501 373 //error_log('MxChat: Missing class file - ' . $file);
502 374 }
503 375 }
504 376
505 - // Register the native function-calling admin-post save handler (a41dee).
506 - if (class_exists('MxChat_Tool_Registry')) {
507 - MxChat_Tool_Registry::init();
508 - }
509 -
510 - // GDPR: register with WP's personal-data export/erase tools (b81e42).
511 - if (class_exists('MxChat_Privacy')) {
512 - MxChat_Privacy::init();
513 - }
514 -
515 - // Per-session state store: retention cron + the cron-independent
516 - // migration drain off admin_init (b64b77).
517 - if (class_exists('MxChat_Session_Store')) {
518 - MxChat_Session_Store::init();
519 - }
520 -
521 - // Daily model-liveness check + its warning notice (b65e8d). Read-only and
522 - // fail-open: one listing request per in-use provider per day, none at all
523 - // when no key is stored.
524 - if (class_exists('MxChat_Model_Liveness')) {
525 - MxChat_Model_Liveness::init();
526 - }
527 -
528 - // Gutenberg chatbot block (plan-95dd1e): a click-to-place wrapper over the
529 - // [mxchat_chatbot] shortcode. Registers on init; no-op below WP 5.0.
530 - if (class_exists('MxChat_Block')) {
531 - MxChat_Block::init();
532 - }
533 -
534 - // Elementor chatbot widget (plan-95dd1e part 2): registered ONLY inside
535 - // elementor/widgets/register (Elementor >= 3.5) — with Elementor absent or
536 - // older, the hook never fires and nothing further loads.
537 - if (class_exists('MxChat_Elementor')) {
538 - MxChat_Elementor::init();
539 - }
540 -
541 - // Editor Assistant — free, OFF-by-default block-editor AI actions (plan-8cb0cb).
542 - // init() wires REST + streaming AJAX + sidebar enqueue ONLY when the
543 - // mxchat_editor_assistant_enabled option is 'on'; otherwise zero footprint.
544 - if (class_exists('MxChat_Editor_Assistant')) {
545 - MxChat_Editor_Assistant::init();
546 - }
547 -
548 - // OpenAI Vector Store write path (plan-15b5c6): import/sync AJAX, the
549 - // import cron tick, the pending-delete sweeper, and the WP-CLI command
550 - // all register in the constructor. The sync itself only runs when the
551 - // sync toggle + store ID + OpenAI key are all present.
552 - if (class_exists('MxChat_Vectorstore_Manager')) {
553 - MxChat_Vectorstore_Manager::get_instance();
554 - }
555 -
556 377 // Admin pages that aren't classes (procedural include).
557 378 if (is_admin()) {
558 379 $admin_api_page = plugin_dir_path(__FILE__) . 'includes/admin-api-page.php';
559 380 if (file_exists($admin_api_page)) {
@@ -615,26 +436,8 @@
615 436 dbDelta($sql);
616 437 }
617 438
618 439 /**
619 - * Create the per-session state table (b64b77).
620 - *
621 - * Callable from the activation hook, which can run before plugins_loaded has
622 - * included the class files — so it loads the class itself when needed.
623 - */
624 -function mxchat_create_sessions_table() {
625 - if (!class_exists('MxChat_Session_Store')) {
626 - $path = plugin_dir_path(__FILE__) . 'includes/class-mxchat-session-store.php';
627 - if (!file_exists($path)) {
628 - return false;
629 - }
630 - require_once $path;
631 - }
632 -
633 - return MxChat_Session_Store::create_table();
634 -}
635 -
636 -/**
637 440 * FIXED: Robust table creation and column management
638 441 */
639 442 function mxchat_create_chat_transcripts_table() {
640 443 global $wpdb;
@@ -945,66 +748,8 @@
945 748 }
946 749 }
947 750
948 751 /**
949 - * 3.2.20: One-time backfill of the caee10 catalog usage-hint defaults
950 - * (plan 64c1ad). persist() writes usage_hint for EVERY shown tool on every
951 - * autosave — as '' when the box is untouched — and resolve_tool_setting()
952 - * seeds a catalog default_hint ONLY onto an ABSENT key. So any install that
953 - * saved the AI Tools screen before 3.2.20 holds '' everywhere and the shipped
954 - * defaults can never reach it. On an upgrade from < 3.2.20 an empty stored
955 - * hint cannot be a deliberate clear of a rendered default (those builds never
956 - * rendered one), so seeding is safe. From 3.2.20 on, empty means the owner
957 - * cleared a visible default and is respected — this never runs again (version
958 - * gate + its own marker, deliberately not caee10's flag).
959 - *
960 - * Never touched: entries with owner text, legacy bare-bool entries and
961 - * absent-key entries (both already resolve to the default at read time), and
962 - * tools whose catalog entry ships no default_hint.
963 - */
964 -function mxchat_backfill_tool_hint_defaults() {
965 - if (get_option('mxchat_tool_hint_backfill_64c1ad') === '1') {
966 - return;
967 - }
968 -
969 - if (class_exists('MxChat_Tool_Registry')) {
970 - $map = get_option('mxchat_function_calling_tools', array());
971 - if (is_array($map) && !empty($map)) {
972 - $defaults = array();
973 - foreach (MxChat_Tool_Registry::core_tool_catalog() as $fn => $meta) {
974 - if (!empty($meta['default_hint'])) {
975 - $defaults[$fn] = (string) $meta['default_hint'];
976 - }
977 - }
978 -
979 - $changed = false;
980 - foreach ($map as $fn => $entry) {
981 - if (!isset($defaults[$fn])) {
982 - continue; // no catalog default — nothing to seed
983 - }
984 - if (!is_array($entry)) {
985 - continue; // legacy bare bool: key absent, resolves to the default already
986 - }
987 - if (!array_key_exists('usage_hint', $entry)) {
988 - continue; // absent key gets the default at read time — must stay absent
989 - }
990 - if (trim((string) $entry['usage_hint']) !== '') {
991 - continue; // owner text — never touch
992 - }
993 - $map[$fn]['usage_hint'] = $defaults[$fn];
994 - $changed = true;
995 - }
996 -
997 - if ($changed) {
998 - update_option('mxchat_function_calling_tools', $map);
999 - }
1000 - }
1001 - }
1002 -
1003 - update_option('mxchat_tool_hint_backfill_64c1ad', '1', false);
1004 -}
1005 -
1006 -/**
1007 752 * 2.5.2: Create queue processing tables for reliable background processing
1008 753 */
1009 754 function mxchat_create_queue_tables() {
1010 755 global $wpdb;
@@ -1102,41 +847,8 @@
1102 847 dbDelta($sql);
1103 848 }
1104 849
1105 850 /**
1106 - * Create the OpenAI Vector Store file-mapping table (v3.2.20, plan 15b5c6).
1107 - * One row per mirrored KB entry: which store, which bot, which OpenAI file id,
1108 - * and a hash of the uploaded body for change detection. Vector store files are
1109 - * not patchable in place — without this mapping an update cannot find its
1110 - * predecessor, and the store silently accumulates stale duplicates.
1111 - * status: 'live' (serving) or 'pending_delete' (condemned, swept later).
1112 - */
1113 -function mxchat_create_vectorstore_files_table() {
1114 - global $wpdb;
1115 - $charset_collate = $wpdb->get_charset_collate();
1116 -
1117 - $table_name = $wpdb->prefix . 'mxchat_vectorstore_files';
1118 - $sql = "CREATE TABLE $table_name (
1119 - id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
1120 - store_id varchar(64) NOT NULL,
1121 - bot_id varchar(64) NOT NULL DEFAULT 'default',
1122 - entry_key char(32) NOT NULL,
1123 - source_url text,
1124 - file_id varchar(64) NOT NULL,
1125 - content_hash char(32) NOT NULL DEFAULT '',
1126 - status varchar(20) NOT NULL DEFAULT 'live',
1127 - last_error text,
1128 - updated_at datetime DEFAULT NULL,
1129 - PRIMARY KEY (id),
1130 - KEY store_entry (store_id, bot_id, entry_key, status),
1131 - KEY status (status)
1132 - ) $charset_collate;";
1133 -
1134 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
1135 - dbDelta($sql);
1136 -}
1137 -
1138 -/**
1139 851 * 2.5.2: Fix URL column size to support long URLs (especially with UTF-8 encoding)
1140 852 * This fixes "url, source_url. The supplied values may be too long" errors
1141 853 */
1142 854 function mxchat_fix_url_column_size() {
@@ -1180,45 +892,53 @@
1180 892 if (!isset($options['model'])) {
1181 893 return;
1182 894 }
1183 895
1184 - // The retired-id → replacement mapping lives in ONE place:
1185 - // MxChat_Model_Catalog::retired_model_map() (plan 202df5). This function
1186 - // and every add-on that stores model ids consume that map — do not add a
1187 - // deprecation list here again.
1188 - if (!class_exists('MxChat_Model_Catalog') || !method_exists('MxChat_Model_Catalog', 'retired_model_map')) {
1189 - return; // catalog not loaded (defensive) — the next admin load retries
896 + $current_model = $options['model'];
897 +
898 + // Migrate deprecated Claude models to Claude Opus 4.6 (recommended replacement per Anthropic)
899 + $deprecated_claude_models = array(
900 + 'claude-3-5-sonnet-20240620', // Retired Oct 28, 2025
901 + 'claude-3-5-sonnet-20241022', // Retired Oct 28, 2025
902 + 'claude-3-7-sonnet-20250219', // Retiring Feb 19, 2026
903 + 'claude-3-opus-20240229', // Retired Jan 5, 2026
904 + 'claude-3-sonnet-20240229', // Legacy
905 + 'claude-3-haiku-20240307', // Legacy
906 + );
907 + if (in_array($current_model, $deprecated_claude_models, true)) {
908 + $options['model'] = 'claude-opus-4-6';
909 + $migrated = true;
910 + $migration_message = sprintf(
911 + 'Your chatbot model has been automatically updated from %s to Claude Opus 4.6 due to Anthropic deprecating older Claude models.',
912 + $current_model
913 + );
1190 914 }
1191 - $map = MxChat_Model_Catalog::retired_model_map();
1192 915
1193 - $current_model = $options['model'];
1194 - if (isset($map[$current_model])) {
1195 - $entry = $map[$current_model];
1196 - $options['model'] = $entry['to'];
916 + // Migrate deprecated Claude Haiku 3.5 to Claude Haiku 4.5
917 + if ($current_model === 'claude-3-5-haiku-20241022') {
918 + $options['model'] = 'claude-haiku-4-5-20251001';
1197 919 $migrated = true;
920 + $migration_message = 'Your chatbot model has been automatically updated from Claude Haiku 3.5 to Claude Haiku 4.5 due to Anthropic deprecating the older model.';
921 + }
922 +
923 + // Migrate deprecated GPT-4 series and GPT-3.5 Turbo to GPT-5.1 Chat Latest
924 + if (in_array($current_model, array('gpt-4o', 'gpt-4.1-2025-04-14', 'gpt-4-turbo', 'gpt-4', 'gpt-3.5-turbo'), true)) {
925 + $options['model'] = 'gpt-5.1-chat-latest';
926 + $migrated = true;
1198 927 $migration_message = sprintf(
1199 - 'Your chatbot model has been automatically updated from %s to %s %s.',
1200 - $current_model,
1201 - $entry['label'],
1202 - $entry['reason']
928 + 'Your chatbot model has been automatically updated from %s to GPT-5.1 Chat Latest due to OpenAI deprecating older models.',
929 + $current_model
1203 930 );
1204 931 }
1205 932
1206 - // The content generator has its own model option — the same map applies.
1207 - // (Pre-202df5 this branch covered only the two gpt-5.x-chat-latest aliases;
1208 - // it now covers every retired id, so e.g. a content model stranded on a
1209 - // retired Claude id is rescued the same way the chat model is.)
1210 - if (isset($options['content_model']) && isset($map[$options['content_model']])) {
1211 - $old_content_model = $options['content_model'];
1212 - $entry = $map[$old_content_model];
1213 - $options['content_model'] = $entry['to'];
933 + // Migrate deprecated GPT-4o Mini and GPT-4.1 Mini to GPT-5 Mini
934 + if (in_array($current_model, array('gpt-4o-mini', 'gpt-4.1-mini'), true)) {
935 + $options['model'] = 'gpt-5-mini';
1214 936 $migrated = true;
1215 - $migration_message = trim($migration_message . ' ' . sprintf(
1216 - 'Your content generation model has also been automatically updated from %s to %s %s.',
1217 - $old_content_model,
1218 - $entry['label'],
1219 - $entry['reason']
1220 - ));
937 + $migration_message = sprintf(
938 + 'Your chatbot model has been automatically updated from %s to GPT-5 Mini due to OpenAI deprecating GPT-4 series models.',
939 + $current_model
940 + );
1221 941 }
1222 942
1223 943 if ($migrated) {
1224 944 update_option('mxchat_options', $options);
@@ -1245,100 +965,8 @@
1245 965 delete_option('mxchat_model_migration_message');
1246 966 }
1247 967 }
1248 968
1249 -/**
1250 - * One-time recommendation on EXISTING installs (stamp 'legacy') that the new
1251 - * "Strip unapproved links" guard exists and is worth turning on (plan 58f8b4).
1252 - * Fresh 3.2.20+ installs default it on and never see this. Shown only on
1253 - * MxChat admin pages, gone for good once dismissed or once the site saves an
1254 - * explicit value for the toggle either way.
1255 - */
1256 -function mxchat_show_strip_links_notice() {
1257 - if (!current_user_can('manage_options')) {
1258 - return;
1259 - }
1260 - $page = isset($_GET['page']) ? sanitize_key($_GET['page']) : '';
1261 - if (strpos($page, 'mxchat') !== 0) {
1262 - return;
1263 - }
1264 - if (get_option('mxchat_strip_links_notice_dismissed', '') === '1') {
1265 - return;
1266 - }
1267 - if (get_option('mxchat_installed_at_version', '') !== 'legacy') {
1268 - return;
1269 - }
1270 - $opts = get_option('mxchat_options', array());
1271 - if (is_array($opts) && isset($opts['strip_unapproved_links_toggle'])) {
1272 - return; // The site already made its choice — stop recommending.
1273 - }
1274 - $dismiss_url = wp_nonce_url(
1275 - admin_url('admin-post.php?action=mxchat_dismiss_strip_links_notice'),
1276 - 'mxchat_dismiss_strip_links_notice'
1277 - );
1278 - ?>
1279 - <div class="notice notice-info">
1280 - <p>
1281 - <strong><?php esc_html_e('MxChat: new link protection available', 'mxchat'); ?></strong><br>
1282 - <?php esc_html_e('The new "Strip Unapproved Links" setting removes links the AI invents from its answers even when Citation Links is off — links to real pages on your site and links your integrations return are always kept. It is off on existing sites so nothing changes without you; we recommend turning it on under MxChat → Settings → Chatbot Behavior.', 'mxchat'); ?>
1283 - <a href="<?php echo esc_url($dismiss_url); ?>"><?php esc_html_e('Dismiss', 'mxchat'); ?></a>
1284 - </p>
1285 - </div>
1286 - <?php
1287 -}
1288 -add_action('admin_notices', 'mxchat_show_strip_links_notice');
1289 -
1290 -/** Dismiss handler for the strip-links recommendation notice (plan 58f8b4). */
1291 -function mxchat_dismiss_strip_links_notice() {
1292 - if (!current_user_can('manage_options')) {
1293 - wp_die(esc_html__('Insufficient permissions.', 'mxchat'), '', array('response' => 403));
1294 - }
1295 - check_admin_referer('mxchat_dismiss_strip_links_notice');
1296 - update_option('mxchat_strip_links_notice_dismissed', '1', false);
1297 - $referer = wp_get_referer();
1298 - wp_safe_redirect($referer ? $referer : admin_url('admin.php?page=mxchat-max'));
1299 - exit;
1300 -}
1301 -add_action('admin_post_mxchat_dismiss_strip_links_notice', 'mxchat_dismiss_strip_links_notice');
1302 -
1303 -/**
1304 - * Persistent admin notice when the provider rejected the configured model
1305 - * (model_not_found / no access). Set by mxchat_friendly_chat_error() in the
1306 - * integrator whenever a chat request fails on a model-access error — including
1307 - * requests from anonymous visitors, which is the case that otherwise stays
1308 - * invisible to the site owner for weeks (plan e46b8f).
1309 - *
1310 - * Deleted after render so it re-arms on the next failed chat: the notice keeps
1311 - * reappearing until the model is fixed, then stops on its own.
1312 - */
1313 -function mxchat_show_model_access_notice() {
1314 - if (!current_user_can('manage_options')) {
1315 - return;
1316 - }
1317 - $notice = get_option('mxchat_model_access_notice');
1318 - if (!is_array($notice) || empty($notice['model'])) {
1319 - return;
1320 - }
1321 - $settings_url = admin_url('admin.php?page=mxchat-max');
1322 - ?>
1323 - <div class="notice notice-error is-dismissible">
1324 - <p>
1325 - <strong><?php esc_html_e('MxChat: your AI model is being rejected by the provider', 'mxchat'); ?></strong><br>
1326 - <?php
1327 - printf(
1328 - /* translators: 1: model id, 2: provider name */
1329 - esc_html__('Chat requests using the model "%1$s" are failing because %2$s reports it as unavailable on your API key (it may have been retired). Visitors may be seeing errors instead of replies.', 'mxchat'),
1330 - esc_html($notice['model']),
1331 - esc_html(!empty($notice['provider']) ? $notice['provider'] : __('the AI provider', 'mxchat'))
1332 - );
1333 - ?>
1334 - <a href="<?php echo esc_url($settings_url); ?>"><?php esc_html_e('Choose a different model in MxChat Settings', 'mxchat'); ?></a>
1335 - </p>
1336 - </div>
1337 - <?php
1338 - delete_option('mxchat_model_access_notice');
1339 -}
1340 -
1341 969 function mxchat_activate() {
1342 970 global $wpdb;
1343 971 $charset_collate = $wpdb->get_charset_collate();
1344 972
@@ -1346,12 +974,8 @@
1346 974
1347 975 // Create chat transcripts table with improved function
1348 976 mxchat_create_chat_transcripts_table();
1349 977
1350 - // Per-session state table (b64b77). Activation can run before
1351 - // plugins_loaded has included the class files, so require it directly.
1352 - mxchat_create_sessions_table();
1353 -
1354 978 // System Prompt Content Table - UPDATED: Use TEXT for url and source_url columns
1355 979 $system_prompt_table = $wpdb->prefix . 'mxchat_system_prompt_content';
1356 980 $sql_system_prompt = "CREATE TABLE $system_prompt_table (
1357 981 id MEDIUMINT(9) NOT NULL AUTO_INCREMENT,
@@ -1413,11 +1037,8 @@
1413 1037
1414 1038 // Create per-session satisfaction ratings table (v3.2.6)
1415 1039 mxchat_create_session_ratings_table();
1416 1040
1417 - // Create Vector Store file-mapping table (v3.2.20, plan 15b5c6)
1418 - mxchat_create_vectorstore_files_table();
1419 -
1420 1041 // Ensure additional columns in system prompt table
1421 1042 $existing_system_columns = $wpdb->get_results("SHOW COLUMNS FROM $system_prompt_table");
1422 1043 if (!empty($existing_system_columns)) {
1423 1044 $existing_system_column_names = array_column($existing_system_columns, 'Field');
@@ -1466,11 +1087,10 @@
1466 1087
1467 1088 // Setup cron jobs
1468 1089 mxchat_setup_cron_jobs();
1469 1090
1470 - // Update version (stable base version — never the dev time()-suffixed one,
1471 - // or the check_for_update comparison would churn every request)
1472 - update_option('mxchat_plugin_version', MXCHAT_BASE_VERSION);
1091 + // Update version
1092 + update_option('mxchat_plugin_version', MXCHAT_VERSION);
1473 1093
1474 1094 //error_log("MxChat: Activation function completed");
1475 1095 }
1476 1096
@@ -1485,29 +1105,23 @@
1485 1105 if (defined('DISABLE_WP_CRON') && DISABLE_WP_CRON) {
1486 1106 // Set flag to use fallback system
1487 1107 update_option('mxchat_use_fallback_rate_limits', true);
1488 1108 update_option('mxchat_next_rate_limit_check', time() + 3600);
1489 - // Deliberately NO early return (plan-bc08a6): transcript cleanup below
1490 - // must still be scheduled. DISABLE_WP_CRON only changes HOW cron events
1491 - // execute (a server-side runner hitting wp-cron.php instead of loopback
1492 - // spawns) — scheduling still just writes the cron option. The old early
1493 - // return here meant a deactivate/reactivate cycle on a DISABLE_WP_CRON
1494 - // site permanently lost the transcript cleanup event while the retention
1495 - // setting still claimed to be active.
1109 + return;
1110 + }
1111 +
1112 + // Schedule the rate limit reset cron job
1113 + $result = wp_schedule_event(time() + 300, 'hourly', 'mxchat_reset_rate_limits');
1114 +
1115 + if ($result === false) {
1116 + // Fallback if scheduling fails
1117 + update_option('mxchat_use_fallback_rate_limits', true);
1118 + update_option('mxchat_next_rate_limit_check', time() + 3600);
1496 1119 } else {
1497 - // Schedule the rate limit reset cron job
1498 - $result = wp_schedule_event(time() + 300, 'hourly', 'mxchat_reset_rate_limits');
1499 -
1500 - if ($result === false) {
1501 - // Fallback if scheduling fails
1502 - update_option('mxchat_use_fallback_rate_limits', true);
1503 - update_option('mxchat_next_rate_limit_check', time() + 3600);
1504 - } else {
1505 - // Clear fallback flags if cron scheduling succeeded
1506 - delete_option('mxchat_use_fallback_rate_limits');
1507 - }
1120 + // Clear fallback flags if cron scheduling succeeded
1121 + delete_option('mxchat_use_fallback_rate_limits');
1508 1122 }
1509 -
1123 +
1510 1124 // Schedule transcript cleanup if configured (bucket dropdown OR custom retention-days > 0)
1511 1125 $transcript_options = get_option('mxchat_transcripts_options', array());
1512 1126 $cleanup_interval = isset($transcript_options['mxchat_auto_delete_transcripts']) ? $transcript_options['mxchat_auto_delete_transcripts'] : 'never';
1513 1127 $custom_retention = isset($transcript_options['mxchat_retention_days']) ? (int) $transcript_options['mxchat_retention_days'] : 0;
@@ -1529,9 +1143,8 @@
1529 1143 // Clear scheduled cron jobs
1530 1144 wp_clear_scheduled_hook('mxchat_reset_rate_limits');
1531 1145 wp_clear_scheduled_hook('mxchat_cleanup_old_transcripts');
1532 1146 wp_clear_scheduled_hook('mxchat_send_delayed_transcript');
1533 - wp_clear_scheduled_hook('mxchat_model_liveness_check');
1534 1147
1535 1148 // Clear fallback options
1536 1149 delete_option('mxchat_use_fallback_rate_limits');
1537 1150 delete_option('mxchat_next_rate_limit_check');
@@ -1551,25 +1164,17 @@
1551 1164 return;
1552 1165 }
1553 1166
1554 1167 $next_check = get_option('mxchat_next_rate_limit_check', 0);
1555 -
1168 +
1556 1169 if (time() >= $next_check) {
1557 - // Reuse the bootstrap's integrator — mxchat_init() creates the global on
1558 - // plugins_loaded (before this init-priority-5 callback), so it's always set
1559 - // here. Constructing a second MxChat_Integrator just to call one method
1560 - // re-registers every hook the plugin has (ajax pairs, wp_footer loader,
1561 - // rest_api_init, admin_init guard) on a duplicate instance for the rest of
1562 - // the request. Defensive construction only if the global is somehow unset.
1563 - // NOTE: MxChat_Integrator::check_fallback_rate_limits() is a second
1564 - // implementation of this same check — if either changes, change both.
1565 - global $mxchat_integrator;
1566 - $integrator = ($mxchat_integrator instanceof MxChat_Integrator)
1567 - ? $mxchat_integrator
1568 - : (class_exists('MxChat_Integrator') ? new MxChat_Integrator() : null);
1569 - if ($integrator && method_exists($integrator, 'mxchat_reset_rate_limits')) {
1570 - $integrator->mxchat_reset_rate_limits();
1571 - update_option('mxchat_next_rate_limit_check', time() + 3600);
1170 + // Only run reset if the MxChat_Integrator class exists
1171 + if (class_exists('MxChat_Integrator')) {
1172 + $integrator = new MxChat_Integrator();
1173 + if (method_exists($integrator, 'mxchat_reset_rate_limits')) {
1174 + $integrator->mxchat_reset_rate_limits();
1175 + update_option('mxchat_next_rate_limit_check', time() + 3600);
1176 + }
1572 1177 }
1573 1178 }
1574 1179 }
1575 1180
@@ -1581,9 +1186,9 @@
1581 1186 global $wpdb;
1582 1187
1583 1188 try {
1584 1189 $current_version = get_option('mxchat_plugin_version', '0.0.0');
1585 - $plugin_version = MXCHAT_BASE_VERSION;
1190 + $plugin_version = MXCHAT_VERSION;
1586 1191
1587 1192 // Always ensure critical tables exist (even if version matches)
1588 1193 // This handles manual table deletion or fresh installs
1589 1194 $chat_table = $wpdb->prefix . 'mxchat_chat_transcripts';
@@ -1588,16 +1193,12 @@
1588 1193 // This handles manual table deletion or fresh installs
1589 1194 $chat_table = $wpdb->prefix . 'mxchat_chat_transcripts';
1590 1195 $queue_table = $wpdb->prefix . 'mxchat_processing_queue';
1591 1196
1592 - $sessions_table = $wpdb->prefix . 'mxchat_sessions';
1593 -
1594 1197 $chat_exists = $wpdb->get_var("SHOW TABLES LIKE '$chat_table'") === $chat_table;
1595 1198 $queue_exists = $wpdb->get_var("SHOW TABLES LIKE '$queue_table'") === $queue_table;
1596 - $sessions_exists = get_option('mxchat_session_store_ready') === '1'
1597 - || $wpdb->get_var("SHOW TABLES LIKE '$sessions_table'") === $sessions_table;
1598 -
1599 - if (!$chat_exists || !$queue_exists || !$sessions_exists) {
1199 +
1200 + if (!$chat_exists || !$queue_exists) {
1600 1201 //error_log("MxChat: Critical tables missing, running activation");
1601 1202 mxchat_activate();
1602 1203 }
1603 1204
@@ -1666,55 +1267,8 @@
1666 1267 if (version_compare($current_version, '3.2.4', '<')) {
1667 1268 mxchat_backfill_active_embedding_model();
1668 1269 }
1669 1270
1670 - // 3.2.15: Migrate retired DeepSeek ids (deepseek-chat / deepseek-reasoner
1671 - // were shut off at the vendor on 2026-07-24). The function is idempotent —
1672 - // it only rewrites models on its deprecation lists.
1673 - if (version_compare($current_version, '3.2.15', '<')) {
1674 - mxchat_migrate_deprecated_models();
1675 - }
1676 -
1677 - // 3.2.16: Migrate OpenAI ids retiring 2026-08-10 (gpt-5.1-chat-latest /
1678 - // gpt-5.3-chat-latest → gpt-5.6-sol per OpenAI's deprecations page).
1679 - // Idempotent — only rewrites models on the deprecation lists (e46b8f).
1680 - if (version_compare($current_version, '3.2.16', '<')) {
1681 - mxchat_migrate_deprecated_models();
1682 - }
1683 -
1684 - // 3.2.17: Credential options must not autoload (af2400) — the two
1685 - // Pinecone-secret-holding rows were in alloptions, i.e. read into
1686 - // memory on every request including anonymous page views. Idempotent.
1687 - // Also carry the import modal's remembered ACF→PDF checkbox state
1688 - // into the new install-level option (11720c).
1689 - if (version_compare($current_version, '3.2.17', '<')) {
1690 - mxchat_fix_credential_option_autoload();
1691 - mxchat_migrate_acf_pdf_extraction_option();
1692 - }
1693 -
1694 - // 3.2.19: Claude Opus 4.1 retired Aug 5, 2026 — auto-move stranded
1695 - // sites (and the older tiers on the migration's lists) per the
1696 - // changelog's promise. Idempotent — only rewrites models on the
1697 - // deprecation lists. Without a gate at this release's version,
1698 - // nothing calls the migration for 3.2.18 upgraders (plan a5a598;
1699 - // the gate value must equal the version this block ships in).
1700 - if (version_compare($current_version, '3.2.19', '<')) {
1701 - mxchat_migrate_deprecated_models();
1702 - }
1703 -
1704 - // 3.2.20: Seed the caee10 usage-hint defaults onto tool entries a
1705 - // pre-3.2.20 autosave stamped with '' (plan 64c1ad). The gate value
1706 - // equals the version this block ships in (a5a598 rule); the
1707 - // function carries its own one-time marker on top.
1708 - // Also re-run the deprecated-models migration: 202df5 widened it to
1709 - // rescue a content_model stranded on ANY retired id (previously
1710 - // only the two gpt-5.x-chat-latest aliases). Idempotent — only
1711 - // rewrites models on the catalog's retired_model_map().
1712 - if (version_compare($current_version, '3.2.20', '<')) {
1713 - mxchat_backfill_tool_hint_defaults();
1714 - mxchat_migrate_deprecated_models();
1715 - }
1716 -
1717 1271 // Run full activation to ensure everything is up to date
1718 1272 mxchat_activate();
1719 1273
1720 1274 // Run migration functions
@@ -1719,11 +1273,12 @@
1719 1273
1720 1274 // Run migration functions
1721 1275 mxchat_migrate_live_agent_status();
1722 1276
1723 - // (The 2.1.8 orphaned-history reconciliation sweep is gone —
1724 - // 3.2.19's mxchat_history_backlog_* drain supersedes it, and it
1725 - // self-arms without a version gate: plan 839c4c.)
1277 + // Add the cleanup function for version 2.1.8
1278 + if (version_compare($current_version, '2.1.8', '<')) {
1279 + $deleted = mxchat_cleanup_orphaned_chat_history();
1280 + }
1726 1281
1727 1282 // Update version LAST
1728 1283 update_option('mxchat_plugin_version', $plugin_version);
1729 1284
@@ -1736,170 +1291,8 @@
1736 1291 }
1737 1292 }
1738 1293
1739 1294 /**
1740 - * Credential options must never enter the autoloaded alloptions set.
1741 - * mxchat_prompts_options and mxchat_pinecone_addon_options can hold the
1742 - * Pinecone API secret; mxchat_options already stores its keys with autoload
1743 - * off and these two must match it. The filter covers every future
1744 - * add_option()/update_option() that creates the row — Settings API saves
1745 - * through options.php and WP-CLI included — on WP 6.6+; older cores are
1746 - * covered by the explicit autoload arguments at the plugin's own write
1747 - * sites plus the one-time migration below.
1748 - */
1749 -add_filter('wp_default_autoload_value', 'mxchat_credential_option_autoload_value', 10, 2);
1750 -function mxchat_credential_option_autoload_value($autoload, $option) {
1751 - if (in_array($option, array('mxchat_prompts_options', 'mxchat_pinecone_addon_options'), true)) {
1752 - return false;
1753 - }
1754 - return $autoload;
1755 -}
1756 -
1757 -/**
1758 - * One-time upgrade migration: flip the autoload flag on credential option
1759 - * rows that existing installs are already carrying autoloaded. Includes
1760 - * mxchat_adv_api_token (Advanced Content bearer token) — harmless no-op
1761 - * when that add-on is not installed, since missing rows simply don't match.
1762 - */
1763 -function mxchat_fix_credential_option_autoload() {
1764 - $keys = array('mxchat_prompts_options', 'mxchat_pinecone_addon_options', 'mxchat_adv_api_token');
1765 - if (function_exists('wp_set_option_autoload_values')) {
1766 - wp_set_option_autoload_values(array_fill_keys($keys, false));
1767 - return;
1768 - }
1769 - // Pre-WP-6.4 fallback: direct flip + cache invalidation.
1770 - global $wpdb;
1771 - $placeholders = implode(',', array_fill(0, count($keys), '%s'));
1772 - $wpdb->query($wpdb->prepare("UPDATE {$wpdb->options} SET autoload = 'no' WHERE option_name IN ($placeholders)", $keys));
1773 - wp_cache_delete('alloptions', 'options');
1774 - foreach ($keys as $key) {
1775 - wp_cache_delete($key, 'options');
1776 - }
1777 -}
1778 -
1779 -/**
1780 - * One-time carry of the import modal's remembered ACF→PDF checkbox state
1781 - * (mxchat_options['acf_pdf_extract_default'], written per-import until 3.2.16)
1782 - * into the new install-level option mxchat_acf_pdf_extraction (plan 11720c).
1783 - * Fresh installs and installs that never touched the checkbox default OFF,
1784 - * matching the setting's own "recommended only if…" guidance.
1785 - */
1786 -function mxchat_migrate_acf_pdf_extraction_option() {
1787 - if (get_option('mxchat_acf_pdf_extraction', null) !== null) {
1788 - return; // already set — never overwrite an owner's choice
1789 - }
1790 - $mxchat_options = get_option('mxchat_options', array());
1791 - if (is_array($mxchat_options) && array_key_exists('acf_pdf_extract_default', $mxchat_options)) {
1792 - update_option('mxchat_acf_pdf_extraction', !empty($mxchat_options['acf_pdf_extract_default']) ? '1' : '0', false);
1793 - unset($mxchat_options['acf_pdf_extract_default']);
1794 - update_option('mxchat_options', $mxchat_options);
1795 - }
1796 -}
1797 -
1798 -/**
1799 - * One-time migration of mxchat_acf_excluded_fields from field NAMES to field
1800 - * KEYS (plan 30e81f). Names are not unique across ACF groups, so two fields
1801 - * named the same in different groups shared one toggle, one saved state, and
1802 - * one exclusion — and the save-on-exit beacon could revert a save through the
1803 - * twin. Keys are unique; everything now runs on them.
1804 - *
1805 - * MIGRATION DIRECTION IS DELIBERATE: one stored name can match several keys —
1806 - * exclude EVERY one of them. The UI describes these as "sensitive or
1807 - * irrelevant fields"; an under-migration would silently start feeding a
1808 - * previously-excluded sensitive field into embeddings sent to a third-party
1809 - * provider. Over-excluding is visible in the UI and costs some retrieval
1810 - * quality; under-excluding is a silent privacy regression.
1811 - *
1812 - * Self-arming on acf/init (NOT the version-gated upgrade block): resolving
1813 - * names needs ACF fully booted with local JSON/PHP groups registered, and if
1814 - * ACF is deactivated at upgrade time the migration simply waits for the next
1815 - * load with ACF active. Until it runs, stored names keep working — every
1816 - * exclusion read site honors legacy name entries alongside keys. A name that
1817 - * matches no current key is KEPT (its group may be temporarily inactive), and
1818 - * the per-field include path lazily converts it if it ever resolves again.
1819 - */
1820 -function mxchat_migrate_acf_exclusions_to_keys() {
1821 - if (get_option('mxchat_acf_exclusions_migrated', '') === '1') {
1822 - return;
1823 - }
1824 - $stored = get_option('mxchat_acf_excluded_fields', array());
1825 - if (!is_array($stored) || empty($stored)) {
1826 - update_option('mxchat_acf_exclusions_migrated', '1', false);
1827 - return;
1828 - }
1829 - if (!function_exists('acf_get_field_groups') || !function_exists('acf_get_fields')) {
1830 - return; // acf/init fired without the API? Bail; retry next load.
1831 - }
1832 -
1833 - // Map every current top-level field: name => [keys], and the set of keys.
1834 - $name_to_keys = array();
1835 - $current_keys = array();
1836 - foreach (acf_get_field_groups() as $group) {
1837 - $group_fields = acf_get_fields($group['key']);
1838 - if (empty($group_fields)) {
1839 - continue;
1840 - }
1841 - foreach ($group_fields as $field) {
1842 - if (empty($field['key']) || !isset($field['name'])) {
1843 - continue;
1844 - }
1845 - $current_keys[$field['key']] = true;
1846 - $name_to_keys[$field['name']][] = $field['key'];
1847 - }
1848 - }
1849 -
1850 - $migrated = array();
1851 - $converted = 0;
1852 - foreach ($stored as $entry) {
1853 - if (!is_string($entry) || $entry === '') {
1854 - continue;
1855 - }
1856 - if (isset($current_keys[$entry])) {
1857 - $migrated[] = $entry; // already a live key
1858 - } elseif (isset($name_to_keys[$entry])) {
1859 - foreach ($name_to_keys[$entry] as $key) {
1860 - $migrated[] = $key; // every key wearing this name — fail toward more exclusion
1861 - }
1862 - $converted++;
1863 - } else {
1864 - $migrated[] = $entry; // unresolved — keep; still honored by name everywhere
1865 - }
1866 - }
1867 - $migrated = array_values(array_unique($migrated));
1868 -
1869 - update_option('mxchat_acf_excluded_fields', $migrated);
1870 - update_option('mxchat_acf_exclusions_migrated', '1', false);
1871 - if ($converted > 0) {
1872 - update_option('mxchat_acf_exclusions_migrated_notice', '1', false);
1873 - }
1874 -}
1875 -add_action('acf/init', 'mxchat_migrate_acf_exclusions_to_keys', 20);
1876 -
1877 -/**
1878 - * One-time notice after the ACF exclusion migration actually converted
1879 - * name entries — the settings are worth a review, especially where one name
1880 - * fanned out to several fields (every match is now excluded, on purpose).
1881 - */
1882 -function mxchat_show_acf_exclusions_migrated_notice() {
1883 - if (!current_user_can('manage_options')) {
1884 - return;
1885 - }
1886 - if (get_option('mxchat_acf_exclusions_migrated_notice', '') !== '1') {
1887 - return;
1888 - }
1889 - ?>
1890 - <div class="notice notice-info is-dismissible">
1891 - <p>
1892 - <strong><?php esc_html_e('MxChat: ACF field exclusions updated', 'mxchat'); ?></strong><br>
1893 - <?php esc_html_e('Your ACF field exclusion settings were migrated to identify fields precisely, so same-named fields in different groups no longer share one toggle. Where a saved exclusion matched several fields, all of them are now excluded — please review the toggles under MxChat → Knowledge → ACF Field Settings.', 'mxchat'); ?>
1894 - </p>
1895 - </div>
1896 - <?php
1897 - delete_option('mxchat_acf_exclusions_migrated_notice');
1898 -}
1899 -add_action('admin_notices', 'mxchat_show_acf_exclusions_migrated_notice');
1900 -
1901 -/**
1902 1295 * Ensure tables exist on every admin load for fresh installations
1903 1296 * This is a safety net for cases where activation hook doesn't fire
1904 1297 */
1905 1298 function mxchat_ensure_tables_exist() {
@@ -1919,16 +1312,12 @@
1919 1312
1920 1313 $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
1921 1314 $queue_table = $wpdb->prefix . 'mxchat_processing_queue';
1922 1315
1923 - $sessions_table = $wpdb->prefix . 'mxchat_sessions';
1924 -
1925 1316 $chat_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name;
1926 1317 $queue_exists = $wpdb->get_var("SHOW TABLES LIKE '$queue_table'") === $queue_table;
1927 - $sessions_exists = get_option('mxchat_session_store_ready') !== false
1928 - || $wpdb->get_var("SHOW TABLES LIKE '$sessions_table'") === $sessions_table;
1929 -
1930 - if (!$chat_exists || !$queue_exists || !$sessions_exists) {
1318 +
1319 + if (!$chat_exists || !$queue_exists) {
1931 1320 //error_log("MxChat: Tables missing on admin load, running activation");
1932 1321 mxchat_activate();
1933 1322 }
1934 1323 }
@@ -1933,116 +1322,49 @@
1933 1322 }
1934 1323 }
1935 1324
1936 1325 /**
1937 - * One-shot cleanup of legacy mxchat_history_<sid> option rows (plan 839c4c).
1938 - *
1939 - * 3.2.19 deduplicated per-session chat history into the transcripts table
1940 - * (which already held a superset of every option copy measured), so nothing
1941 - * writes these options any more — but an upgraded install still carries one
1942 - * per session, at up to 64 KB a row (462 rows measured on one production
1943 - * install). This drain replaces the old mxchat_cleanup_orphaned_chat_history()
1944 - * reconciliation sweep, which existed only because there were two copies to
1945 - * reconcile.
1946 - *
1947 - * b64b77 pattern throughout: an option_id bookmark that only moves forward
1948 - * (a crash mid-batch re-processes at most one batch), delete_option() per row
1949 - * so the object + notoptions caches stay coherent, batches drained off
1950 - * non-AJAX admin_init plus the session-store maintenance cron. Once the
1951 - * backlog is gone the state marks done and every later call is one cached
1952 - * option read.
1326 + * Clean up orphaned chat history options from the wp_options table
1327 + * @return int Number of options deleted
1953 1328 */
1954 -function mxchat_history_backlog_state() {
1955 - // The state option name MUST NOT start with 'mxchat_history_' — the drain
1956 - // deletes everything matching that prefix, and a state option inside the
1957 - // pattern gets eaten by its own drain (caught by the 839c4c rig: batches
1958 - // ran 2,2,2,1 instead of 2,2,1 because the bookmark row was being deleted
1959 - // and re-created every pass).
1960 - $state = get_option('mxchat_legacy_history_cleanup', array());
1961 - if (!is_array($state)) {
1962 - $state = array();
1963 - }
1964 -
1965 - return wp_parse_args($state, array(
1966 - 'done' => false,
1967 - 'last_option_id' => 0,
1968 - 'deleted' => 0,
1969 - ));
1970 -}
1971 -
1972 -/**
1973 - * Delete one batch of legacy history options.
1974 - *
1975 - * @param int $batch Rows per pass — capped small; these can be 64 KB rows.
1976 - * @return int Option rows deleted in this pass.
1977 - */
1978 -function mxchat_history_backlog_batch($batch = 200) {
1329 +function mxchat_cleanup_orphaned_chat_history() {
1979 1330 global $wpdb;
1331 + $count = 0;
1980 1332
1981 - $state = mxchat_history_backlog_state();
1982 - if (!empty($state['done'])) {
1983 - return 0;
1984 - }
1985 -
1986 - $batch = max(1, (int) $batch);
1987 -
1988 - $rows = $wpdb->get_results(
1989 - $wpdb->prepare(
1990 - "SELECT option_id, option_name FROM {$wpdb->options}
1991 - WHERE option_id > %d AND option_name LIKE %s
1992 - ORDER BY option_id ASC LIMIT %d",
1993 - (int) $state['last_option_id'],
1994 - $wpdb->esc_like('mxchat_history_') . '%',
1995 - $batch
1996 - ),
1997 - ARRAY_A
1333 + // Get all option keys that match our pattern
1334 + $history_options = $wpdb->get_results(
1335 + "SELECT option_name FROM {$wpdb->options}
1336 + WHERE option_name LIKE 'mxchat_history_%'"
1998 1337 );
1999 1338
2000 - if (empty($rows)) {
2001 - $state['done'] = true;
2002 - update_option('mxchat_legacy_history_cleanup', $state, 'no');
2003 - return 0;
2004 - }
1339 + if (!empty($history_options)) {
1340 + foreach ($history_options as $option) {
1341 + // Extract the session ID from the option name
1342 + $session_id = str_replace('mxchat_history_', '', $option->option_name);
2005 1343
2006 - foreach ($rows as $row) {
2007 - $state['last_option_id'] = max((int) $state['last_option_id'], (int) $row['option_id']);
2008 - delete_option($row['option_name']);
2009 - $state['deleted'] = (int) $state['deleted'] + 1;
2010 - }
1344 + // Check if this session still exists in the custom table
1345 + $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
1346 + $exists = $wpdb->get_var(
1347 + $wpdb->prepare(
1348 + "SELECT COUNT(*) FROM {$table_name} WHERE session_id = %s",
1349 + $session_id
1350 + )
1351 + );
2011 1352
2012 - if (count($rows) < $batch) {
2013 - $state['done'] = true;
2014 - }
2015 -
2016 - update_option('mxchat_legacy_history_cleanup', $state, 'no');
2017 -
2018 - return count($rows);
2019 -}
2020 -
2021 -/** One batch per admin page load until drained. */
2022 -function mxchat_history_backlog_drain() {
2023 - mxchat_history_backlog_batch();
2024 -}
2025 -
2026 -/** Cron leg: drain faster, same cap per batch. */
2027 -function mxchat_history_backlog_drain_cron() {
2028 - for ($i = 0; $i < 10; $i++) {
2029 - if (mxchat_history_backlog_batch() === 0) {
2030 - break;
1353 + // If session doesn't exist in the main table, delete the option
1354 + if ($exists == 0) {
1355 + delete_option($option->option_name);
1356 + // Also delete related metadata
1357 + delete_option("mxchat_email_{$session_id}");
1358 + delete_option("mxchat_name_{$session_id}");
1359 + delete_option("mxchat_agent_name_{$session_id}");
1360 + $count++;
1361 + }
2031 1362 }
2032 1363 }
2033 -}
2034 1364
2035 -// wp_doing_ajax() guard is load-bearing, not defensive (b64b77's shipped-and-
2036 -// caught defect): admin-ajax.php fires admin_init too, and the chat widget's
2037 -// message endpoint is an admin-ajax action — without the guard an anonymous
2038 -// visitor would pay for a delete batch inside their own chat request.
2039 -if (!wp_doing_ajax()) {
2040 - add_action('admin_init', 'mxchat_history_backlog_drain', 21);
1365 + return $count;
2041 1366 }
2042 -// Belt for installs whose admin is rarely visited: ride the session store's
2043 -// existing daily maintenance event rather than scheduling another.
2044 -add_action('mxchat_session_store_maintenance', 'mxchat_history_backlog_drain_cron');
2045 1367
2046 1368 function mxchat_migrate_live_agent_status() {
2047 1369 $options = get_option('mxchat_options', []);
2048 1370
@@ -2145,9 +1467,8 @@
2145 1467 add_action('init', 'mxchat_check_fallback_rate_limits', 5);
2146 1468
2147 1469 // Add migration notice hook
2148 1470 add_action('admin_notices', 'mxchat_show_migration_notice');
2149 - add_action('admin_notices', 'mxchat_show_model_access_notice');
2150 1471
2151 1472 // Initialize classes with error handling
2152 1473 try {
2153 1474 // Initialize admin classes
@@ -2172,15 +1493,8 @@
2172 1493 if (class_exists('MxChat_Content_Generator')) {
2173 1494 new MxChat_Content_Generator();
2174 1495 }
2175 1496
2176 - // Initialize cache purge globally — settings writes can happen on any
2177 - // request type (admin screens, admin-ajax autosave, wp-cli), and the
2178 - // deferred-purge cron event fires on front-end requests.
2179 - if (class_exists('MxChat_Cache_Purge')) {
2180 - MxChat_Cache_Purge::init();
2181 - }
2182 -
2183 1497 // Initialize REST API globally — endpoints must be registered on
2184 1498 // every request (admin and frontend) so they're reachable via /wp-json/.
2185 1499 // Endpoints are auth-gated and locked until the site owner generates
2186 1500 // a token in MxChat → API Access.
@@ -2305,9 +1619,9 @@
2305 1619 */
2306 1620 function mxchat_save_session_rating() {
2307 1621 global $wpdb;
2308 1622
2309 - $session_id = isset($_POST['session_id']) ? MxChat_Utils::sanitize_session_id(wp_unslash($_POST['session_id'])) : '';
1623 + $session_id = isset($_POST['session_id']) ? sanitize_text_field(wp_unslash($_POST['session_id'])) : '';
2310 1624 $bot_id = isset($_POST['bot_id']) ? sanitize_text_field(wp_unslash($_POST['bot_id'])) : 'default';
2311 1625 $rating_raw = isset($_POST['rating']) ? (int) $_POST['rating'] : 0;
2312 1626 $feedback = isset($_POST['feedback']) ? sanitize_textarea_field(wp_unslash($_POST['feedback'])) : '';
2313 1627