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MxChat – AI Chatbot & Content Generation for WordPress / 2.6.3
MxChat – AI Chatbot & Content Generation for WordPress v2.6.3
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 +24 -478 3.2.42.6.3 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: 2.6.3
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
@@ -15,20 +15,13 @@
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 27 $domain = 'mxchat';
@@ -45,213 +38,8 @@
45 38 load_plugin_textdomain($domain, false, dirname(plugin_basename(__FILE__)) . '/languages');
46 39 }
47 40 add_action('init', 'mxchat_load_textdomain');
48 41
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 42 // Include classes with error handling
255 43 function mxchat_include_classes() {
256 44 $class_files = array(
257 45 'includes/class-mxchat-integrator.php',
@@ -260,10 +48,10 @@
260 48 'includes/class-mxchat-utils.php',
261 49 'includes/class-mxchat-user.php',
262 50 'includes/class-mxchat-meta-box.php',
263 51 'includes/class-mxchat-chunker.php',
52 + 'includes/pdf-parser/alt_autoload.php',
264 53 'includes/class-mxchat-word-handler.php',
265 - 'includes/class-mxchat-content-generator.php',
266 54 'admin/class-ajax-handler.php',
267 55 'admin/class-pinecone-manager.php',
268 56 'admin/class-knowledge-manager.php'
269 57 );
@@ -278,24 +66,8 @@
278 66 }
279 67 }
280 68
281 69 /**
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 70 * Create URL click tracking table
299 71 */
300 72 function mxchat_create_url_clicks_table() {
301 73 global $wpdb;
@@ -563,9 +335,9 @@
563 335
564 336 // Add index for bot_id
565 337 $wpdb->query("ALTER TABLE {$table_name} ADD KEY bot_id (bot_id)");
566 338
567 - //error_log('MxChat: Successfully added bot_id column to mxchat_pinecone_roles table');
339 + error_log('MxChat: Successfully added bot_id column to mxchat_pinecone_roles table');
568 340 }
569 341
570 342 // Mark migration as complete
571 343 update_option('mxchat_pinecone_roles_migration_version', '2.5.2');
@@ -600,9 +372,9 @@
600 372
601 373 // Add index for better query performance
602 374 $wpdb->query("ALTER TABLE {$table_name} ADD KEY content_type (content_type)");
603 375
604 - //error_log('MxChat: Successfully added content_type column to mxchat_system_prompt_content table');
376 + error_log('MxChat: Successfully added content_type column to mxchat_system_prompt_content table');
605 377 }
606 378
607 379 // Mark migration as complete
608 380 update_option('mxchat_content_type_migration_version', '2.5.6');
@@ -608,33 +380,8 @@
608 380 update_option('mxchat_content_type_migration_version', '2.5.6');
609 381 }
610 382
611 383 /**
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 -/**
637 384 * 2.5.2: Create queue processing tables for reliable background processing
638 385 */
639 386 function mxchat_create_queue_tables() {
640 387 global $wpdb;
@@ -682,32 +429,8 @@
682 429 //error_log("MxChat: Queue tables created/updated successfully");
683 430 }
684 431
685 432 /**
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 -/**
710 433 * 2.5.2: Fix URL column size to support long URLs (especially with UTF-8 encoding)
711 434 * This fixes "url, source_url. The supplied values may be too long" errors
712 435 */
713 436 function mxchat_fix_url_column_size() {
@@ -730,80 +453,22 @@
730 453
731 454 /**
732 455 * Migrate deprecated AI models to their replacements
733 456 * 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.
736 457 */
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 - */
746 458 function mxchat_migrate_deprecated_models() {
747 459 $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) {
460 +
461 + // Check if model is set and is the deprecated Claude 3.5 Sonnet
462 + if (isset($options['model']) && $options['model'] === 'claude-3-5-sonnet-20241022') {
463 + // Update to Claude 3.7 Sonnet (the replacement model)
464 + $options['model'] = 'claude-3-7-sonnet-20250219';
803 465 update_option('mxchat_options', $options);
466 +
467 + // Set a flag to show admin notice
804 468 update_option('mxchat_model_migrated_notice', true);
805 - update_option('mxchat_model_migration_message', $migration_message);
469 +
470 + //error_log('MxChat: Migrated deprecated Claude 3.5 Sonnet to Claude 3.7 Sonnet');
806 471 }
807 472 }
808 473
809 474 /**
@@ -810,19 +475,17 @@
810 475 * Show admin notice after model migration
811 476 */
812 477 function mxchat_show_migration_notice() {
813 478 if (get_option('mxchat_model_migrated_notice')) {
814 - $migration_message = get_option('mxchat_model_migration_message', __('Your chatbot model has been automatically updated due to a model deprecation.', 'mxchat'));
815 479 ?>
816 480 <div class="notice notice-info is-dismissible">
817 481 <p>
818 482 <strong><?php esc_html_e('MxChat Model Updated', 'mxchat'); ?></strong><br>
819 - <?php echo esc_html($migration_message); ?>
483 + <?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'); ?>
820 484 </p>
821 485 </div>
822 486 <?php
823 487 delete_option('mxchat_model_migrated_notice');
824 - delete_option('mxchat_model_migration_message');
825 488 }
826 489 }
827 490
828 491 function mxchat_activate() {
@@ -862,26 +525,13 @@
862 525 enabled_bots LONGTEXT DEFAULT NULL,
863 526 PRIMARY KEY (id)
864 527 ) $charset_collate;";
865 528
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 - ) $charset_collate;";
877 -
878 529 require_once ABSPATH . 'wp-admin/includes/upgrade.php';
879 530
880 531 // Create other tables
881 532 dbDelta($sql_system_prompt);
882 533 dbDelta($sql_intents_table);
883 - dbDelta($sql_intent_phrases_table);
884 534
885 535 // Create URL click tracking table
886 536 mxchat_create_url_clicks_table();
887 537
@@ -890,11 +540,8 @@
890 540
891 541 // NEW 2.5.2: Create queue processing tables
892 542 mxchat_create_queue_tables();
893 543
894 - // Create transcript translations table
895 - mxchat_create_translations_table();
896 -
897 544 // Ensure additional columns in system prompt table
898 545 $existing_system_columns = $wpdb->get_results("SHOW COLUMNS FROM $system_prompt_table");
899 546 if (!empty($existing_system_columns)) {
900 547 $existing_system_column_names = array_column($existing_system_columns, 'Field');
@@ -937,11 +584,8 @@
937 584
938 585 // Run migration for existing installations
939 586 mxchat_migrate_pinecone_roles_add_bot_id();
940 587
941 - // 3.2.4: Backfill active embedding model option (replaces 3.2.3 column-based tracking)
942 - mxchat_backfill_active_embedding_model();
943 -
944 588 // Setup cron jobs
945 589 mxchat_setup_cron_jobs();
946 590
947 591 // Update version
@@ -1059,14 +703,11 @@
1059 703
1060 704 // Version-specific migrations
1061 705 if ($current_version !== $plugin_version) {
1062 706 //error_log("MxChat: Version change detected: $current_version -> $plugin_version");
1063 -
707 +
1064 708 // Run live agent update BEFORE updating the stored version
1065 709 mxchat_handle_live_agent_update();
1066 -
1067 - // Run theme migration notice for 3.0.1 (AI theme CSS structure changes)
1068 - mxchat_handle_theme_migration_notice();
1069 710
1070 711 // Run role restriction migration for 2.4.1
1071 712 if (version_compare($current_version, '2.4.1', '<')) {
1072 713 mxchat_add_role_restriction_column();
@@ -1095,35 +736,8 @@
1095 736 mxchat_ensure_all_columns($chat_table);
1096 737 //error_log("MxChat: rag_context column migration for 2.6.0");
1097 738 }
1098 739
1099 - // 3.0.5: Migrate deprecated Gemini embedding model
1100 - if (version_compare($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 740 // Run full activation to ensure everything is up to date
1127 741 mxchat_activate();
1128 742
1129 743 // Run migration functions
@@ -1255,59 +869,31 @@
1255 869 function mxchat_handle_live_agent_update() {
1256 870 // Get the CURRENT stored version (before it gets updated)
1257 871 $current_version = get_option('mxchat_plugin_version', '0.0.0');
1258 872 $new_version = '2.2.2';
1259 -
873 +
1260 874 // Only run this once for the update to 2.2.2
1261 875 $update_handled = get_option('mxchat_live_agent_update_2_2_2_handled', false);
1262 -
876 +
1263 877 // Check if we're upgrading TO 2.2.2 and haven't handled this yet
1264 878 if (version_compare($current_version, $new_version, '<') && !$update_handled) {
1265 879 $options = get_option('mxchat_options', array());
1266 -
880 +
1267 881 // Check if live agent was previously enabled
1268 882 if (isset($options['live_agent_status']) && $options['live_agent_status'] === 'on') {
1269 883 // Disable live agent
1270 884 $options['live_agent_status'] = 'off';
1271 885 update_option('mxchat_options', $options);
1272 -
886 +
1273 887 // Set flag to show the notification banner
1274 888 update_option('mxchat_show_live_agent_disabled_notice', true);
1275 889 }
1276 -
890 +
1277 891 // Mark this update as handled
1278 892 update_option('mxchat_live_agent_update_2_2_2_handled', true);
1279 893 }
1280 894 }
1281 895
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 896 // Initialize plugin safely
1311 897 function mxchat_init() {
1312 898 // Include all class files first
1313 899 mxchat_include_classes();
@@ -1339,17 +925,10 @@
1339 925 // Initialize meta box class
1340 926 if (class_exists('MxChat_Meta_Box')) {
1341 927 new MxChat_Meta_Box();
1342 928 }
1343 -
1344 929 }
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 -
930 +
1352 931 // Initialize public classes
1353 932 if (class_exists('MxChat_Public')) {
1354 933 $mxchat_public = new MxChat_Public();
1355 934 }
@@ -1393,41 +972,8 @@
1393 972 $checked = true;
1394 973
1395 974 mxchat_migrate_pinecone_roles_add_bot_id();
1396 975 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 976 }
1431 977
1432 978 // Register activation hook
1433 979 register_activation_hook(__FILE__, 'mxchat_activate');