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MxChat – AI Chatbot & Content Generation for WordPress / 2.6.0
MxChat – AI Chatbot & Content Generation for WordPress v2.6.0
3.2.21 3.2.20 3.2.19 3.2.18 3.2.17 3.2.16 3.2.15 3.2.14 3.2.12 3.2.13 3.2.11 3.2.10 3.2.9 3.2.8 3.2.7 3.2.6 3.2.5 3.2.4 3.2.3 3.2.2 3.2.1 2.0.3 2.0.4 2.0.5 2.0.6 All 152 releases
← All changes | mxchat-basic.php +25 -491 3.2.4 → 2.6.0 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: 3.2.4
6 + * Version: 2.6.0
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
@@ -15,243 +15,20 @@
15 15 if (!defined('ABSPATH')) {
16 16 exit; // Exit if accessed directly.
17 17 }
18 18
19 -
20 -if (!defined('MXCHAT_DEV_MODE')) {
21 - define('MXCHAT_DEV_MODE', false);
22 -}
23 -
19 +// Define plugin version constant for asset versioning
20 +// Reads version from plugin header automatically
24 21 if (!defined('MXCHAT_VERSION')) {
25 22 $plugin_data = get_file_data(__FILE__, array('Version' => 'Version'), 'plugin');
26 - $version = $plugin_data['Version'];
27 - if (MXCHAT_DEV_MODE) {
28 - $version .= '.' . time();
29 - }
30 - define('MXCHAT_VERSION', $version);
23 + define('MXCHAT_VERSION', $plugin_data['Version']);
31 24 }
32 25
33 26 function mxchat_load_textdomain() {
34 - $domain = 'mxchat';
35 - $locale = determine_locale();
36 -
37 - // First, try to load from /wp-content/languages/plugins/ (preserved during updates)
38 - $mo_file = WP_LANG_DIR . '/plugins/' . $domain . '-' . $locale . '.mo';
39 - if (file_exists($mo_file)) {
40 - load_textdomain($domain, $mo_file);
41 - return;
42 - }
43 -
44 - // Fallback to plugin's /languages directory
45 - load_plugin_textdomain($domain, false, dirname(plugin_basename(__FILE__)) . '/languages');
27 + load_plugin_textdomain('mxchat', false, dirname(plugin_basename(__FILE__)) . '/languages');
46 28 }
47 29 add_action('init', 'mxchat_load_textdomain');
48 30
49 -/**
50 - * Exclude MxChat assets from caching plugin optimizations
51 - *
52 - * This prevents issues with WP Rocket, LiteSpeed Cache, Autoptimize, WP Super Cache,
53 - * W3 Total Cache, SG Optimizer, and similar plugins that may break the chatbot by
54 - * removing "unused" CSS, minifying/combining JS, or deferring/delaying jQuery.
55 - *
56 - * Both chat-script.js and floating-script.js depend on jQuery, so jQuery must also
57 - * be excluded from any optimization that changes load order or timing.
58 - */
59 -
60 -// ── WP Rocket ────────────────────────────────────────────────────────────────
61 -
62 -// Exclude from Remove Unused CSS (RUCSS)
63 -add_filter('rocket_rucss_inline_atts_exclusions', function($exclusions) {
64 - if (!is_array($exclusions)) $exclusions = array();
65 - $exclusions[] = 'mxchat';
66 - return $exclusions;
67 -});
68 -
69 -// Exclude CSS from minification/combination
70 -add_filter('rocket_exclude_css', function($excluded) {
71 - if (!is_array($excluded)) $excluded = array();
72 - $excluded[] = '/plugins/mxchat-basic/css/chat-style.css';
73 - return $excluded;
74 -});
75 -
76 -// Exclude JS from minification/combination
77 -add_filter('rocket_exclude_js', function($excluded) {
78 - if (!is_array($excluded)) $excluded = array();
79 - $excluded[] = '/plugins/mxchat-basic/js/chat-script.js';
80 - $excluded[] = '/plugins/mxchat-basic/js/floating-script.js';
81 - $excluded[] = '/jquery-core';
82 - $excluded[] = '/jquery.min.js';
83 - $excluded[] = '/jquery.js';
84 - $excluded[] = '/jquery-migrate';
85 - return $excluded;
86 -});
87 -
88 -// Exclude JS from defer
89 -add_filter('rocket_exclude_defer_js', function($excluded) {
90 - if (!is_array($excluded)) $excluded = array();
91 - $excluded[] = '/plugins/mxchat-basic/js/chat-script.js';
92 - $excluded[] = '/plugins/mxchat-basic/js/floating-script.js';
93 - $excluded[] = '/jquery-core';
94 - $excluded[] = '/jquery.min.js';
95 - $excluded[] = '/jquery.js';
96 - $excluded[] = '/jquery-migrate';
97 - return $excluded;
98 -});
99 -
100 -// Exclude from delay JS execution
101 -add_filter('rocket_delay_js_exclusions', function($excluded) {
102 - if (!is_array($excluded)) $excluded = array();
103 - $excluded[] = 'mxchat';
104 - $excluded[] = 'chat-script';
105 - $excluded[] = 'floating-script';
106 - $excluded[] = '/jquery-core';
107 - $excluded[] = '/jquery.min.js';
108 - $excluded[] = '/jquery.js';
109 - $excluded[] = '/jquery-migrate';
110 - return $excluded;
111 -});
112 -
113 -// ── LiteSpeed Cache ──────────────────────────────────────────────────────────
114 -
115 -// Exclude CSS from optimization
116 -add_filter('litespeed_optimize_css_excludes', function($excluded) {
117 - if (!is_array($excluded)) $excluded = array();
118 - $excluded[] = 'chat-style.css';
119 - $excluded[] = 'mxchat';
120 - return $excluded;
121 -});
122 -
123 -// Exclude from UCSS (Unique CSS) - prevents LiteSpeed from stripping "unused" MxChat CSS
124 -add_filter('litespeed_ucss_whitelist', function($whitelist) {
125 - if (!is_array($whitelist)) $whitelist = array();
126 - $whitelist[] = '.mxchat-chatbot-wrapper';
127 - $whitelist[] = '.floating-chatbot';
128 - $whitelist[] = '.floating-chatbot-button';
129 - $whitelist[] = '.chatbot-top-bar';
130 - $whitelist[] = '.mxchat-chatbot';
131 - $whitelist[] = '.chat-container';
132 - $whitelist[] = '.chat-box';
133 - $whitelist[] = '.bot-message';
134 - $whitelist[] = '.input-container';
135 - $whitelist[] = '.chat-input';
136 - $whitelist[] = '.send-button';
137 - $whitelist[] = '.pre-chat-message';
138 - $whitelist[] = '.mxchat-popular-questions';
139 - $whitelist[] = '.chat-toolbar';
140 - $whitelist[] = '.exit-chat';
141 - $whitelist[] = '.email-blocker';
142 - return $whitelist;
143 -});
144 -
145 -// Exclude CSS from CCSS (Critical CSS) generation
146 -add_filter('litespeed_optm_ccss_exc', function($excluded) {
147 - if (!is_array($excluded)) $excluded = array();
148 - $excluded[] = 'chat-style.css';
149 - $excluded[] = 'mxchat';
150 - return $excluded;
151 -});
152 -
153 -// Exclude JS from defer
154 -add_filter('litespeed_optm_js_defer_exc', function($excluded) {
155 - if (!is_array($excluded)) $excluded = array();
156 - $excluded[] = 'chat-script.js';
157 - $excluded[] = 'floating-script.js';
158 - $excluded[] = 'mxchat';
159 - $excluded[] = 'jquery.min.js';
160 - $excluded[] = 'jquery.js';
161 - return $excluded;
162 -});
163 -
164 -// Exclude JS from combining
165 -add_filter('litespeed_optm_js_exc', function($excluded) {
166 - if (!is_array($excluded)) $excluded = array();
167 - $excluded[] = 'chat-script.js';
168 - $excluded[] = 'floating-script.js';
169 - $excluded[] = 'mxchat';
170 - $excluded[] = 'jquery.min.js';
171 - $excluded[] = 'jquery.js';
172 - return $excluded;
173 -});
174 -
175 -// Exclude JS from delayed execution
176 -add_filter('litespeed_optm_js_delay_exc', function($excluded) {
177 - if (!is_array($excluded)) $excluded = array();
178 - $excluded[] = 'chat-script.js';
179 - $excluded[] = 'floating-script.js';
180 - $excluded[] = 'mxchat';
181 - return $excluded;
182 -});
183 -
184 -// Exclude from Guest Mode optimization
185 -add_filter('litespeed_guest_optm_exc', function($excluded) {
186 - if (!is_array($excluded)) $excluded = array();
187 - $excluded[] = 'mxchat';
188 - $excluded[] = 'chat-style';
189 - $excluded[] = 'chat-script';
190 - $excluded[] = 'floating-script';
191 - return $excluded;
192 -});
193 -
194 -// ── Autoptimize ──────────────────────────────────────────────────────────────
195 -
196 -// Exclude CSS from optimization (comma-separated strings)
197 -add_filter('autoptimize_filter_css_exclude', function($excluded) {
198 - if (!is_string($excluded)) $excluded = '';
199 - return $excluded . ', mxchat, chat-style.css';
200 -});
201 -
202 -// Exclude JS from optimization (comma-separated strings)
203 -add_filter('autoptimize_filter_js_exclude', function($excluded) {
204 - if (!is_string($excluded)) $excluded = '';
205 - return $excluded . ', mxchat, chat-script.js, floating-script.js, jquery.min.js, jquery.js';
206 -});
207 -
208 -// ── SG Optimizer (SiteGround) ────────────────────────────────────────────────
209 -
210 -add_filter('sgo_js_minify_exclude', function($excluded) {
211 - if (!is_array($excluded)) $excluded = array();
212 - $excluded[] = 'chat-script.js';
213 - $excluded[] = 'floating-script.js';
214 - $excluded[] = 'jquery.min.js';
215 - return $excluded;
216 -});
217 -
218 -add_filter('sgo_javascript_combine_exclude', function($excluded) {
219 - if (!is_array($excluded)) $excluded = array();
220 - $excluded[] = 'chat-script.js';
221 - $excluded[] = 'floating-script.js';
222 - $excluded[] = 'jquery.min.js';
223 - return $excluded;
224 -});
225 -
226 -add_filter('sgo_js_async_exclude', function($excluded) {
227 - if (!is_array($excluded)) $excluded = array();
228 - $excluded[] = 'chat-script.js';
229 - $excluded[] = 'floating-script.js';
230 - $excluded[] = 'jquery.min.js';
231 - return $excluded;
232 -});
233 -
234 -// ── W3 Total Cache ───────────────────────────────────────────────────────────
235 -
236 -add_filter('w3tc_minify_js_do_tag_minification', function($do_minify, $script_tag, $file) {
237 - if (strpos($file, 'chat-script.js') !== false ||
238 - strpos($file, 'floating-script.js') !== false ||
239 - strpos($file, 'jquery.min.js') !== false ||
240 - strpos($file, 'jquery.js') !== false) {
241 - return false;
242 - }
243 - return $do_minify;
244 -}, 10, 3);
245 -
246 -// ── WP Super Cache ──────────────────────────────────────────────────────────
247 -
248 -add_filter('wpsc_rejected_uri', function($rejected) {
249 - if (!is_array($rejected)) $rejected = array();
250 - $rejected[] = 'wp-admin/admin-ajax.php';
251 - return $rejected;
252 -});
253 -
254 31 // Include classes with error handling
255 32 function mxchat_include_classes() {
256 33 $class_files = array(
257 34 'includes/class-mxchat-integrator.php',
@@ -259,11 +36,10 @@
259 36 'includes/class-mxchat-public.php',
260 37 'includes/class-mxchat-utils.php',
261 38 'includes/class-mxchat-user.php',
262 39 'includes/class-mxchat-meta-box.php',
263 - 'includes/class-mxchat-chunker.php',
40 + 'includes/pdf-parser/alt_autoload.php',
264 41 'includes/class-mxchat-word-handler.php',
265 - 'includes/class-mxchat-content-generator.php',
266 42 'admin/class-ajax-handler.php',
267 43 'admin/class-pinecone-manager.php',
268 44 'admin/class-knowledge-manager.php'
269 45 );
@@ -278,24 +54,8 @@
278 54 }
279 55 }
280 56
281 57 /**
282 - * Lazy-load the PDF parser library only when needed.
283 - * Avoids loading 44 files on every page request.
284 - */
285 -function mxchat_load_pdf_parser() {
286 - if (class_exists('\Smalot\PdfParser\Parser')) {
287 - return true;
288 - }
289 - $autoload_path = plugin_dir_path(__FILE__) . 'includes/pdf-parser/alt_autoload.php';
290 - if (file_exists($autoload_path)) {
291 - require_once $autoload_path;
292 - return true;
293 - }
294 - return false;
295 -}
296 -
297 -/**
298 58 * Create URL click tracking table
299 59 */
300 60 function mxchat_create_url_clicks_table() {
301 61 global $wpdb;
@@ -563,9 +323,9 @@
563 323
564 324 // Add index for bot_id
565 325 $wpdb->query("ALTER TABLE {$table_name} ADD KEY bot_id (bot_id)");
566 326
567 - //error_log('MxChat: Successfully added bot_id column to mxchat_pinecone_roles table');
327 + error_log('MxChat: Successfully added bot_id column to mxchat_pinecone_roles table');
568 328 }
569 329
570 330 // Mark migration as complete
571 331 update_option('mxchat_pinecone_roles_migration_version', '2.5.2');
@@ -600,9 +360,9 @@
600 360
601 361 // Add index for better query performance
602 362 $wpdb->query("ALTER TABLE {$table_name} ADD KEY content_type (content_type)");
603 363
604 - //error_log('MxChat: Successfully added content_type column to mxchat_system_prompt_content table');
364 + error_log('MxChat: Successfully added content_type column to mxchat_system_prompt_content table');
605 365 }
606 366
607 367 // Mark migration as complete
608 368 update_option('mxchat_content_type_migration_version', '2.5.6');
@@ -608,33 +368,8 @@
608 368 update_option('mxchat_content_type_migration_version', '2.5.6');
609 369 }
610 370
611 371 /**
612 - * 3.2.4: Backfill the active embedding model option for installs that already
613 - * have KB content but no stamped model. The mismatch warning compares this
614 - * against the user's currently selected model — no per-row column needed.
615 - */
616 -function mxchat_backfill_active_embedding_model() {
617 - global $wpdb;
618 -
619 - if (get_option('mxchat_active_embedding_model', '') !== '') {
620 - return;
621 - }
622 -
623 - $kb_table = $wpdb->prefix . 'mxchat_system_prompt_content';
624 - if ($wpdb->get_var("SHOW TABLES LIKE '{$kb_table}'") !== $kb_table) {
625 - return;
626 - }
627 -
628 - $kb_count = (int) $wpdb->get_var("SELECT COUNT(*) FROM {$kb_table}");
629 - if ($kb_count > 0) {
630 - $options = get_option('mxchat_options', array());
631 - $current_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
632 - update_option('mxchat_active_embedding_model', $current_model, false);
633 - }
634 -}
635 -
636 -/**
637 372 * 2.5.2: Create queue processing tables for reliable background processing
638 373 */
639 374 function mxchat_create_queue_tables() {
640 375 global $wpdb;
@@ -682,32 +417,8 @@
682 417 //error_log("MxChat: Queue tables created/updated successfully");
683 418 }
684 419
685 420 /**
686 - * Create transcript translations table for persisting translations
687 - */
688 -function mxchat_create_translations_table() {
689 - global $wpdb;
690 - $charset_collate = $wpdb->get_charset_collate();
691 -
692 - $table_name = $wpdb->prefix . 'mxchat_transcript_translations';
693 - $sql = "CREATE TABLE $table_name (
694 - id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
695 - session_id varchar(255) NOT NULL,
696 - language_code varchar(10) NOT NULL,
697 - translations longtext NOT NULL,
698 - created_at datetime NOT NULL,
699 - updated_at datetime NOT NULL,
700 - PRIMARY KEY (id),
701 - UNIQUE KEY session_lang (session_id, language_code),
702 - KEY session_id (session_id)
703 - ) $charset_collate;";
704 -
705 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
706 - dbDelta($sql);
707 -}
708 -
709 -/**
710 421 * 2.5.2: Fix URL column size to support long URLs (especially with UTF-8 encoding)
711 422 * This fixes "url, source_url. The supplied values may be too long" errors
712 423 */
713 424 function mxchat_fix_url_column_size() {
@@ -730,80 +441,22 @@
730 441
731 442 /**
732 443 * Migrate deprecated AI models to their replacements
733 444 * Version 2.5.1: Migrate Claude 3.5 Sonnet (deprecated) to Claude 3.7 Sonnet
734 - * Version 3.1.2: Convert chat transcripts table to utf8mb4 for emoji support
735 - * Without utf8mb4, any bot response containing emojis silently fails to insert.
736 445 */
737 -function mxchat_migrate_transcripts_charset() {
738 - global $wpdb;
739 - $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
740 - $wpdb->query("ALTER TABLE $table_name CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci");
741 -}
742 -
743 -/**
744 - * Version 3.0.55: Migrate GPT-4 series models (deprecated 2026-02-17) to GPT-5 series
745 - */
746 446 function mxchat_migrate_deprecated_models() {
747 447 $options = get_option('mxchat_options', array());
748 - $migrated = false;
749 - $migration_message = '';
750 -
751 - if (!isset($options['model'])) {
752 - return;
753 - }
754 -
755 - $current_model = $options['model'];
756 -
757 - // Migrate deprecated Claude models to Claude Opus 4.6 (recommended replacement per Anthropic)
758 - $deprecated_claude_models = array(
759 - 'claude-3-5-sonnet-20240620', // Retired Oct 28, 2025
760 - 'claude-3-5-sonnet-20241022', // Retired Oct 28, 2025
761 - 'claude-3-7-sonnet-20250219', // Retiring Feb 19, 2026
762 - 'claude-3-opus-20240229', // Retired Jan 5, 2026
763 - 'claude-3-sonnet-20240229', // Legacy
764 - 'claude-3-haiku-20240307', // Legacy
765 - );
766 - if (in_array($current_model, $deprecated_claude_models, true)) {
767 - $options['model'] = 'claude-opus-4-6';
768 - $migrated = true;
769 - $migration_message = sprintf(
770 - 'Your chatbot model has been automatically updated from %s to Claude Opus 4.6 due to Anthropic deprecating older Claude models.',
771 - $current_model
772 - );
773 - }
774 -
775 - // Migrate deprecated Claude Haiku 3.5 to Claude Haiku 4.5
776 - if ($current_model === 'claude-3-5-haiku-20241022') {
777 - $options['model'] = 'claude-haiku-4-5-20251001';
778 - $migrated = true;
779 - $migration_message = 'Your chatbot model has been automatically updated from Claude Haiku 3.5 to Claude Haiku 4.5 due to Anthropic deprecating the older model.';
780 - }
781 -
782 - // Migrate deprecated GPT-4 series and GPT-3.5 Turbo to GPT-5.1 Chat Latest
783 - if (in_array($current_model, array('gpt-4o', 'gpt-4.1-2025-04-14', 'gpt-4-turbo', 'gpt-4', 'gpt-3.5-turbo'), true)) {
784 - $options['model'] = 'gpt-5.1-chat-latest';
785 - $migrated = true;
786 - $migration_message = sprintf(
787 - 'Your chatbot model has been automatically updated from %s to GPT-5.1 Chat Latest due to OpenAI deprecating older models.',
788 - $current_model
789 - );
790 - }
791 -
792 - // Migrate deprecated GPT-4o Mini and GPT-4.1 Mini to GPT-5 Mini
793 - if (in_array($current_model, array('gpt-4o-mini', 'gpt-4.1-mini'), true)) {
794 - $options['model'] = 'gpt-5-mini';
795 - $migrated = true;
796 - $migration_message = sprintf(
797 - 'Your chatbot model has been automatically updated from %s to GPT-5 Mini due to OpenAI deprecating GPT-4 series models.',
798 - $current_model
799 - );
800 - }
801 -
802 - if ($migrated) {
448 +
449 + // Check if model is set and is the deprecated Claude 3.5 Sonnet
450 + if (isset($options['model']) && $options['model'] === 'claude-3-5-sonnet-20241022') {
451 + // Update to Claude 3.7 Sonnet (the replacement model)
452 + $options['model'] = 'claude-3-7-sonnet-20250219';
803 453 update_option('mxchat_options', $options);
454 +
455 + // Set a flag to show admin notice
804 456 update_option('mxchat_model_migrated_notice', true);
805 - update_option('mxchat_model_migration_message', $migration_message);
457 +
458 + //error_log('MxChat: Migrated deprecated Claude 3.5 Sonnet to Claude 3.7 Sonnet');
806 459 }
807 460 }
808 461
809 462 /**
@@ -810,19 +463,17 @@
810 463 * Show admin notice after model migration
811 464 */
812 465 function mxchat_show_migration_notice() {
813 466 if (get_option('mxchat_model_migrated_notice')) {
814 - $migration_message = get_option('mxchat_model_migration_message', __('Your chatbot model has been automatically updated due to a model deprecation.', 'mxchat'));
815 467 ?>
816 468 <div class="notice notice-info is-dismissible">
817 469 <p>
818 470 <strong><?php esc_html_e('MxChat Model Updated', 'mxchat'); ?></strong><br>
819 - <?php echo esc_html($migration_message); ?>
471 + <?php esc_html_e('Your chatbot model has been automatically updated from Claude 3.5 Sonnet to Claude 3.7 Sonnet due to the deprecation of the previous model by Anthropic. Claude 3.7 Sonnet offers improved performance and capabilities.', 'mxchat'); ?>
820 472 </p>
821 473 </div>
822 474 <?php
823 475 delete_option('mxchat_model_migrated_notice');
824 - delete_option('mxchat_model_migration_message');
825 476 }
826 477 }
827 478
828 479 function mxchat_activate() {
@@ -862,26 +513,13 @@
862 513 enabled_bots LONGTEXT DEFAULT NULL,
863 514 PRIMARY KEY (id)
864 515 ) $charset_collate;";
865 516
866 - // Individual Intent Phrases Table - each phrase gets its own embedding vector
867 - $intent_phrases_table = $wpdb->prefix . 'mxchat_intent_phrases';
868 - $sql_intent_phrases_table = "CREATE TABLE $intent_phrases_table (
869 - id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
870 - intent_id BIGINT(20) UNSIGNED NOT NULL,
871 - phrase TEXT NOT NULL,
872 - embedding_vector LONGTEXT NOT NULL,
873 - created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
874 - PRIMARY KEY (id),
875 - KEY intent_id (intent_id)
876 - ) $charset_collate;";
877 -
878 517 require_once ABSPATH . 'wp-admin/includes/upgrade.php';
879 518
880 519 // Create other tables
881 520 dbDelta($sql_system_prompt);
882 521 dbDelta($sql_intents_table);
883 - dbDelta($sql_intent_phrases_table);
884 522
885 523 // Create URL click tracking table
886 524 mxchat_create_url_clicks_table();
887 525
@@ -890,11 +528,8 @@
890 528
891 529 // NEW 2.5.2: Create queue processing tables
892 530 mxchat_create_queue_tables();
893 531
894 - // Create transcript translations table
895 - mxchat_create_translations_table();
896 -
897 532 // Ensure additional columns in system prompt table
898 533 $existing_system_columns = $wpdb->get_results("SHOW COLUMNS FROM $system_prompt_table");
899 534 if (!empty($existing_system_columns)) {
900 535 $existing_system_column_names = array_column($existing_system_columns, 'Field');
@@ -937,11 +572,8 @@
937 572
938 573 // Run migration for existing installations
939 574 mxchat_migrate_pinecone_roles_add_bot_id();
940 575
941 - // 3.2.4: Backfill active embedding model option (replaces 3.2.3 column-based tracking)
942 - mxchat_backfill_active_embedding_model();
943 -
944 576 // Setup cron jobs
945 577 mxchat_setup_cron_jobs();
946 578
947 579 // Update version
@@ -1059,14 +691,11 @@
1059 691
1060 692 // Version-specific migrations
1061 693 if ($current_version !== $plugin_version) {
1062 694 //error_log("MxChat: Version change detected: $current_version -> $plugin_version");
1063 -
695 +
1064 696 // Run live agent update BEFORE updating the stored version
1065 697 mxchat_handle_live_agent_update();
1066 -
1067 - // Run theme migration notice for 3.0.1 (AI theme CSS structure changes)
1068 - mxchat_handle_theme_migration_notice();
1069 698
1070 699 // Run role restriction migration for 2.4.1
1071 700 if (version_compare($current_version, '2.4.1', '<')) {
1072 701 mxchat_add_role_restriction_column();
@@ -1095,35 +724,8 @@
1095 724 mxchat_ensure_all_columns($chat_table);
1096 725 //error_log("MxChat: rag_context column migration for 2.6.0");
1097 726 }
1098 727
1099 - // 3.0.5: Migrate deprecated Gemini embedding model
1100 - if (version_compare($current_version, '3.0.5', '<')) {
1101 - mxchat_migrate_gemini_embedding_model();
1102 - }
1103 -
1104 - // 3.0.6: Migrate deprecated OpenAI and Claude models
1105 - if (version_compare($current_version, '3.0.6', '<')) {
1106 - mxchat_migrate_deprecated_models();
1107 - }
1108 -
1109 - // 3.1.2: Convert chat transcripts table to utf8mb4 for emoji support
1110 - if (version_compare($current_version, '3.1.2', '<')) {
1111 - mxchat_migrate_transcripts_charset();
1112 - }
1113 -
1114 - // 3.1.7: Clean up stale shared session email/name entries
1115 - if (version_compare($current_version, '3.1.7', '<')) {
1116 - delete_option('mxchat_email_null');
1117 - delete_option('mxchat_name_null');
1118 - }
1119 -
1120 - // 3.2.4: Backfill active embedding model option for the warning UI
1121 - // (replaces the per-row column tracking from 3.2.3, which was reverted)
1122 - if (version_compare($current_version, '3.2.4', '<')) {
1123 - mxchat_backfill_active_embedding_model();
1124 - }
1125 -
1126 728 // Run full activation to ensure everything is up to date
1127 729 mxchat_activate();
1128 730
1129 731 // Run migration functions
@@ -1255,59 +857,31 @@
1255 857 function mxchat_handle_live_agent_update() {
1256 858 // Get the CURRENT stored version (before it gets updated)
1257 859 $current_version = get_option('mxchat_plugin_version', '0.0.0');
1258 860 $new_version = '2.2.2';
1259 -
861 +
1260 862 // Only run this once for the update to 2.2.2
1261 863 $update_handled = get_option('mxchat_live_agent_update_2_2_2_handled', false);
1262 -
864 +
1263 865 // Check if we're upgrading TO 2.2.2 and haven't handled this yet
1264 866 if (version_compare($current_version, $new_version, '<') && !$update_handled) {
1265 867 $options = get_option('mxchat_options', array());
1266 -
868 +
1267 869 // Check if live agent was previously enabled
1268 870 if (isset($options['live_agent_status']) && $options['live_agent_status'] === 'on') {
1269 871 // Disable live agent
1270 872 $options['live_agent_status'] = 'off';
1271 873 update_option('mxchat_options', $options);
1272 -
874 +
1273 875 // Set flag to show the notification banner
1274 876 update_option('mxchat_show_live_agent_disabled_notice', true);
1275 877 }
1276 -
878 +
1277 879 // Mark this update as handled
1278 880 update_option('mxchat_live_agent_update_2_2_2_handled', true);
1279 881 }
1280 882 }
1281 883
1282 -/**
1283 - * Handle theme migration notice for version 3.0.1
1284 - * Shows a dismissible notice to Pro users about migrating AI-generated themes
1285 - */
1286 -function mxchat_handle_theme_migration_notice() {
1287 - // Get the CURRENT stored version (before it gets updated)
1288 - $current_version = get_option('mxchat_plugin_version', '0.0.0');
1289 - $target_version = '3.0.1';
1290 -
1291 - // Only run this once for the update to 3.0.1
1292 - $update_handled = get_option('mxchat_theme_migration_update_3_0_1_handled', false);
1293 -
1294 - // Check if we're upgrading TO 3.0.1 and haven't handled this yet
1295 - if (version_compare($current_version, $target_version, '<') && !$update_handled) {
1296 - // Check if Pro is activated - only show to Pro users
1297 - $license_status = get_option('mxchat_license_status', 'inactive');
1298 - $is_pro = ($license_status === 'active');
1299 -
1300 - if ($is_pro) {
1301 - // Set flag to show the theme migration notification banner
1302 - update_option('mxchat_show_theme_migration_notice', true);
1303 - }
1304 -
1305 - // Mark this update as handled (whether Pro or not)
1306 - update_option('mxchat_theme_migration_update_3_0_1_handled', true);
1307 - }
1308 -}
1309 -
1310 884 // Initialize plugin safely
1311 885 function mxchat_init() {
1312 886 // Include all class files first
1313 887 mxchat_include_classes();
@@ -1339,17 +913,10 @@
1339 913 // Initialize meta box class
1340 914 if (class_exists('MxChat_Meta_Box')) {
1341 915 new MxChat_Meta_Box();
1342 916 }
1343 -
1344 917 }
1345 -
1346 - // Initialize content generator globally — it registers wp_head hook
1347 - // for frontend CSS injection, plus wp_ajax_ hooks for admin.
1348 - if (class_exists('MxChat_Content_Generator')) {
1349 - new MxChat_Content_Generator();
1350 - }
1351 -
918 +
1352 919 // Initialize public classes
1353 920 if (class_exists('MxChat_Public')) {
1354 921 $mxchat_public = new MxChat_Public();
1355 922 }
@@ -1393,41 +960,8 @@
1393 960 $checked = true;
1394 961
1395 962 mxchat_migrate_pinecone_roles_add_bot_id();
1396 963 mxchat_migrate_add_content_type_column();
1397 - mxchat_migrate_add_translations_table();
1398 -}
1399 -
1400 -/**
1401 - * Migration: Create transcript translations table (v3.0.4)
1402 - * For users upgrading from versions before 3.0.4
1403 - */
1404 -function mxchat_migrate_add_translations_table() {
1405 - $migration_key = 'mxchat_translations_table_created';
1406 -
1407 - // Check if migration already ran
1408 - if (get_option($migration_key)) {
1409 - return;
1410 - }
1411 -
1412 - // Create the translations table
1413 - mxchat_create_translations_table();
1414 -
1415 - // Mark migration as complete
1416 - update_option($migration_key, '3.0.4');
1417 -}
1418 -
1419 -/**
1420 - * Migration: Update deprecated Gemini embedding model (v3.0.5)
1421 - * Updates gemini-embedding-exp-03-07 to gemini-embedding-001 for users who had it selected
1422 - */
1423 -function mxchat_migrate_gemini_embedding_model() {
1424 - $options = get_option('mxchat_options', array());
1425 -
1426 - if (isset($options['embedding_model']) && $options['embedding_model'] === 'gemini-embedding-exp-03-07') {
1427 - $options['embedding_model'] = 'gemini-embedding-001';
1428 - update_option('mxchat_options', $options);
1429 - }
1430 964 }
1431 965
1432 966 // Register activation hook
1433 967 register_activation_hook(__FILE__, 'mxchat_activate');