PluginProbe
MxChat – AI Chatbot & Content Generation for WordPress / 2.5.5
MxChat – AI Chatbot & Content Generation for WordPress v2.5.5
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 +96 -1332 3.2.19 → 2.5.5 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: 3.2.19
6 + * Version: 2.5.5
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
@@ -15,430 +15,31 @@
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 - // 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 - if (MXCHAT_DEV_MODE) {
36 - $version .= '.' . time();
37 - }
38 - define('MXCHAT_VERSION', $version);
23 + define('MXCHAT_VERSION', $plugin_data['Version']);
39 24 }
40 25
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 - * Honest, versioned User-Agent for MXChat remote-content ingestion fetches
53 - * (Knowledge Base PDF import, URL import, sitemap / website crawl).
54 - *
55 - * WAF rulesets (SiteGround/ModSecurity, Wordfence, Cloudflare managed rules)
56 - * flag stale spoofed-browser UAs as scrapers and return 403 — which silently
57 - * broke the single most common KB source: self-hosted media on the site's own
58 - * domain. A truthful crawler identifier is the industry norm for well-behaved
59 - * bots and lets a site owner allowlist "MXChatBot" in their WAF. Filterable so
60 - * a locked-down host can supply a different string without a code change.
61 - */
62 -if (!function_exists('mxchat_ingest_user_agent')) {
63 - function mxchat_ingest_user_agent() {
64 - $version = defined('MXCHAT_VERSION') ? MXCHAT_VERSION : '1.0';
65 - $ua = 'MXChatBot/' . $version . ' (+https://mxchat.ai/bot)';
66 - return apply_filters('mxchat_ingest_user_agent', $ua);
67 - }
68 -}
69 -
70 26 function mxchat_load_textdomain() {
71 - $domain = 'mxchat';
72 - $locale = determine_locale();
73 -
74 - // First, try to load from /wp-content/languages/plugins/ (preserved during updates)
75 - $mo_file = WP_LANG_DIR . '/plugins/' . $domain . '-' . $locale . '.mo';
76 - if (file_exists($mo_file)) {
77 - load_textdomain($domain, $mo_file);
78 - return;
79 - }
80 -
81 - // Fallback to plugin's /languages directory
82 - load_plugin_textdomain($domain, false, dirname(plugin_basename(__FILE__)) . '/languages');
27 + load_plugin_textdomain('mxchat', false, dirname(plugin_basename(__FILE__)) . '/languages');
83 28 }
84 29 add_action('init', 'mxchat_load_textdomain');
85 30
86 -/**
87 - * One-time migration: gemini-3-pro-preview was shut down by Google on March 9, 2026.
88 - * Existing installs with the dead ID get auto-remapped to gemini-3.1-pro-preview
89 - * (Google's official migration target) the first time admin_init fires after update.
90 - */
91 -add_action('admin_init', function () {
92 - if (get_option('mxchat_gemini_3_remap_done')) {
93 - return;
94 - }
95 - $opts = get_option('mxchat_options');
96 - if (is_array($opts) && isset($opts['model']) && $opts['model'] === 'gemini-3-pro-preview') {
97 - $opts['model'] = 'gemini-3.1-pro-preview';
98 - update_option('mxchat_options', $opts);
99 - }
100 - if (is_array($opts) && isset($opts['content_model']) && $opts['content_model'] === 'gemini-3-pro-preview') {
101 - $opts['content_model'] = 'gemini-3.1-pro-preview';
102 - update_option('mxchat_options', $opts);
103 - }
104 - update_option('mxchat_gemini_3_remap_done', 1);
105 -});
106 -
107 -/**
108 - * One-time migration: the Grok 2 family was retired by xAI (grok-2, grok-2-1212,
109 - * grok-2-latest, grok-2-vision-1212 all return 400 "Model not found"). Existing
110 - * installs with the dead ID get auto-remapped to grok-4-1-fast-non-reasoning
111 - * (modern, fast, broadly available) the first time admin_init fires after update.
112 - */
113 -add_action('admin_init', function () {
114 - if (get_option('mxchat_grok_2_remap_done')) {
115 - return;
116 - }
117 - $opts = get_option('mxchat_options');
118 - if (is_array($opts) && isset($opts['model']) && $opts['model'] === 'grok-2') {
119 - $opts['model'] = 'grok-4-1-fast-non-reasoning';
120 - update_option('mxchat_options', $opts);
121 - }
122 - if (is_array($opts) && isset($opts['content_model']) && $opts['content_model'] === 'grok-2') {
123 - $opts['content_model'] = 'grok-4-1-fast-non-reasoning';
124 - update_option('mxchat_options', $opts);
125 - }
126 - update_option('mxchat_grok_2_remap_done', 1);
127 -});
128 -
129 -/**
130 - * One-time migration: Anthropic retired the Claude 4 (2025-05-14) snapshots on
131 - * June 15, 2026 — claude-opus-4-20250514 and claude-sonnet-4-20250514 now return
132 - * an API error. Existing installs with a dead ID get auto-remapped to the current
133 - * equivalents Anthropic recommends (Opus 4.8 / Sonnet 4.6) the first time admin_init
134 - * fires after update. Mirrors the gemini-3-pro-preview / grok-2 rescues above.
135 - */
136 -add_action('admin_init', function () {
137 - if (get_option('mxchat_claude_4_retire_remap_done')) {
138 - return;
139 - }
140 - $map = array(
141 - 'claude-opus-4-20250514' => 'claude-opus-4-8',
142 - 'claude-sonnet-4-20250514' => 'claude-sonnet-4-6',
143 - );
144 - $opts = get_option('mxchat_options');
145 - if (is_array($opts)) {
146 - $changed = false;
147 - if (isset($opts['model']) && isset($map[$opts['model']])) {
148 - $opts['model'] = $map[$opts['model']];
149 - $changed = true;
150 - }
151 - if (isset($opts['content_model']) && isset($map[$opts['content_model']])) {
152 - $opts['content_model'] = $map[$opts['content_model']];
153 - $changed = true;
154 - }
155 - if ($changed) {
156 - update_option('mxchat_options', $opts);
157 - }
158 - }
159 - update_option('mxchat_claude_4_retire_remap_done', 1);
160 -});
161 -
162 -/**
163 - * Exclude MxChat assets from caching plugin optimizations
164 - *
165 - * This prevents issues with WP Rocket, LiteSpeed Cache, Autoptimize, WP Super Cache,
166 - * W3 Total Cache, SG Optimizer, and similar plugins that may break the chatbot by
167 - * removing "unused" CSS, minifying/combining JS, or deferring/delaying jQuery.
168 - *
169 - * Both chat-script.js and floating-script.js depend on jQuery, so jQuery must also
170 - * be excluded from any optimization that changes load order or timing.
171 - */
172 -
173 -// ── WP Rocket ────────────────────────────────────────────────────────────────
174 -
175 -// Exclude from Remove Unused CSS (RUCSS)
176 -add_filter('rocket_rucss_inline_atts_exclusions', function($exclusions) {
177 - if (!is_array($exclusions)) $exclusions = array();
178 - $exclusions[] = 'mxchat';
179 - return $exclusions;
180 -});
181 -
182 -// Exclude CSS from minification/combination
183 -add_filter('rocket_exclude_css', function($excluded) {
184 - if (!is_array($excluded)) $excluded = array();
185 - $excluded[] = '/plugins/mxchat-basic/css/chat-style.css';
186 - return $excluded;
187 -});
188 -
189 -// Exclude JS from minification/combination
190 -add_filter('rocket_exclude_js', function($excluded) {
191 - if (!is_array($excluded)) $excluded = array();
192 - $excluded[] = '/plugins/mxchat-basic/js/chat-script.js';
193 - $excluded[] = '/plugins/mxchat-basic/js/floating-script.js';
194 - $excluded[] = '/jquery-core';
195 - $excluded[] = '/jquery.min.js';
196 - $excluded[] = '/jquery.js';
197 - $excluded[] = '/jquery-migrate';
198 - return $excluded;
199 -});
200 -
201 -// Exclude JS from defer
202 -add_filter('rocket_exclude_defer_js', function($excluded) {
203 - if (!is_array($excluded)) $excluded = array();
204 - $excluded[] = '/plugins/mxchat-basic/js/chat-script.js';
205 - $excluded[] = '/plugins/mxchat-basic/js/floating-script.js';
206 - $excluded[] = '/jquery-core';
207 - $excluded[] = '/jquery.min.js';
208 - $excluded[] = '/jquery.js';
209 - $excluded[] = '/jquery-migrate';
210 - return $excluded;
211 -});
212 -
213 -// Exclude from delay JS execution
214 -add_filter('rocket_delay_js_exclusions', function($excluded) {
215 - if (!is_array($excluded)) $excluded = array();
216 - $excluded[] = 'mxchat';
217 - $excluded[] = 'chat-script';
218 - $excluded[] = 'floating-script';
219 - $excluded[] = '/jquery-core';
220 - $excluded[] = '/jquery.min.js';
221 - $excluded[] = '/jquery.js';
222 - $excluded[] = '/jquery-migrate';
223 - return $excluded;
224 -});
225 -
226 -// ── LiteSpeed Cache ──────────────────────────────────────────────────────────
227 -
228 -// Exclude CSS from optimization
229 -add_filter('litespeed_optimize_css_excludes', function($excluded) {
230 - if (!is_array($excluded)) $excluded = array();
231 - $excluded[] = 'chat-style.css';
232 - $excluded[] = 'mxchat';
233 - return $excluded;
234 -});
235 -
236 -// Exclude from UCSS (Unique CSS) - prevents LiteSpeed from stripping "unused" MxChat CSS
237 -add_filter('litespeed_ucss_whitelist', function($whitelist) {
238 - if (!is_array($whitelist)) $whitelist = array();
239 - $whitelist[] = '.mxchat-chatbot-wrapper';
240 - $whitelist[] = '.floating-chatbot';
241 - $whitelist[] = '.floating-chatbot-button';
242 - $whitelist[] = '.chatbot-top-bar';
243 - $whitelist[] = '.mxchat-chatbot';
244 - $whitelist[] = '.chat-container';
245 - $whitelist[] = '.chat-box';
246 - $whitelist[] = '.bot-message';
247 - $whitelist[] = '.input-container';
248 - $whitelist[] = '.chat-input';
249 - $whitelist[] = '.send-button';
250 - $whitelist[] = '.pre-chat-message';
251 - $whitelist[] = '.mxchat-popular-questions';
252 - $whitelist[] = '.chat-toolbar';
253 - $whitelist[] = '.exit-chat';
254 - $whitelist[] = '.email-blocker';
255 - return $whitelist;
256 -});
257 -
258 -// Exclude CSS from CCSS (Critical CSS) generation
259 -add_filter('litespeed_optm_ccss_exc', function($excluded) {
260 - if (!is_array($excluded)) $excluded = array();
261 - $excluded[] = 'chat-style.css';
262 - $excluded[] = 'mxchat';
263 - return $excluded;
264 -});
265 -
266 -// Exclude JS from defer
267 -add_filter('litespeed_optm_js_defer_exc', function($excluded) {
268 - if (!is_array($excluded)) $excluded = array();
269 - $excluded[] = 'chat-script.js';
270 - $excluded[] = 'floating-script.js';
271 - $excluded[] = 'mxchat';
272 - $excluded[] = 'jquery.min.js';
273 - $excluded[] = 'jquery.js';
274 - return $excluded;
275 -});
276 -
277 -// Exclude JS from combining
278 -add_filter('litespeed_optm_js_exc', function($excluded) {
279 - if (!is_array($excluded)) $excluded = array();
280 - $excluded[] = 'chat-script.js';
281 - $excluded[] = 'floating-script.js';
282 - $excluded[] = 'mxchat';
283 - $excluded[] = 'jquery.min.js';
284 - $excluded[] = 'jquery.js';
285 - return $excluded;
286 -});
287 -
288 -// Exclude JS from delayed execution
289 -add_filter('litespeed_optm_js_delay_exc', function($excluded) {
290 - if (!is_array($excluded)) $excluded = array();
291 - $excluded[] = 'chat-script.js';
292 - $excluded[] = 'floating-script.js';
293 - $excluded[] = 'mxchat';
294 - return $excluded;
295 -});
296 -
297 -// Exclude from Guest Mode optimization
298 -add_filter('litespeed_guest_optm_exc', function($excluded) {
299 - if (!is_array($excluded)) $excluded = array();
300 - $excluded[] = 'mxchat';
301 - $excluded[] = 'chat-style';
302 - $excluded[] = 'chat-script';
303 - $excluded[] = 'floating-script';
304 - return $excluded;
305 -});
306 -
307 -// ── Autoptimize ──────────────────────────────────────────────────────────────
308 -
309 -// Exclude CSS from optimization (comma-separated strings)
310 -add_filter('autoptimize_filter_css_exclude', function($excluded) {
311 - if (!is_string($excluded)) $excluded = '';
312 - return $excluded . ', mxchat, chat-style.css';
313 -});
314 -
315 -// Exclude JS from optimization (comma-separated strings)
316 -add_filter('autoptimize_filter_js_exclude', function($excluded) {
317 - if (!is_string($excluded)) $excluded = '';
318 - return $excluded . ', mxchat, chat-script.js, floating-script.js, jquery.min.js, jquery.js';
319 -});
320 -
321 -// ── SG Optimizer (SiteGround) ────────────────────────────────────────────────
322 -
323 -add_filter('sgo_js_minify_exclude', function($excluded) {
324 - if (!is_array($excluded)) $excluded = array();
325 - $excluded[] = 'chat-script.js';
326 - $excluded[] = 'floating-script.js';
327 - $excluded[] = 'jquery.min.js';
328 - return $excluded;
329 -});
330 -
331 -add_filter('sgo_javascript_combine_exclude', function($excluded) {
332 - if (!is_array($excluded)) $excluded = array();
333 - $excluded[] = 'chat-script.js';
334 - $excluded[] = 'floating-script.js';
335 - $excluded[] = 'jquery.min.js';
336 - return $excluded;
337 -});
338 -
339 -add_filter('sgo_js_async_exclude', function($excluded) {
340 - if (!is_array($excluded)) $excluded = array();
341 - $excluded[] = 'chat-script.js';
342 - $excluded[] = 'floating-script.js';
343 - $excluded[] = 'jquery.min.js';
344 - return $excluded;
345 -});
346 -
347 -// ── W3 Total Cache ───────────────────────────────────────────────────────────
348 -
349 -add_filter('w3tc_minify_js_do_tag_minification', function($do_minify, $script_tag, $file) {
350 - if (strpos($file, 'chat-script.js') !== false ||
351 - strpos($file, 'floating-script.js') !== false ||
352 - strpos($file, 'jquery.min.js') !== false ||
353 - strpos($file, 'jquery.js') !== false) {
354 - return false;
355 - }
356 - return $do_minify;
357 -}, 10, 3);
358 -
359 -// ── WP Super Cache ──────────────────────────────────────────────────────────
360 -
361 -add_filter('wpsc_rejected_uri', function($rejected) {
362 - if (!is_array($rejected)) $rejected = array();
363 - $rejected[] = 'wp-admin/admin-ajax.php';
364 - return $rejected;
365 -});
366 -
367 -// ── Page-cache bypass for chat AJAX (companion to the 3.2.6 nonce-race hotfix)
368 -// Each cache plugin gets its own filter export so that visitors hitting an
369 -// edge-cached page never receive cached chat-AJAX responses. The chat send /
370 -// stream send / file upload all POST to /wp-admin/admin-ajax.php with
371 -// `action=mxchat_*`. Without these exports, a cache plugin can stale a response
372 -// and break the per-session nonce flow on the first message.
373 -
374 -// WP Rocket — `rocket_cache_reject_uri` takes a flat array of regex strings.
375 -add_filter('rocket_cache_reject_uri', function($uris) {
376 - if (!is_array($uris)) $uris = array();
377 - $uris[] = '/wp-admin/admin-ajax\.php\?action=mxchat_.*';
378 - return $uris;
379 -});
380 -
381 -// LiteSpeed Cache — `litespeed_cache_no_cache_for_request` short-circuits
382 -// caching when the request matches our chat-AJAX pattern.
383 -add_filter('litespeed_cache_no_cache_for_request', function($no_cache) {
384 - if ($no_cache) return $no_cache;
385 - if (!empty($_SERVER['REQUEST_URI']) &&
386 - strpos($_SERVER['REQUEST_URI'], '/wp-admin/admin-ajax.php') !== false &&
387 - !empty($_REQUEST['action']) &&
388 - strpos((string) $_REQUEST['action'], 'mxchat_') === 0) {
389 - return true;
390 - }
391 - return $no_cache;
392 -});
393 -
394 -// W3 Total Cache — `w3tc_pgcache_request_skip_uri` flips page-cache off when
395 -// the URI matches.
396 -add_filter('w3tc_pgcache_request_skip_uri', function($skip) {
397 - if ($skip) return $skip;
398 - if (!empty($_SERVER['REQUEST_URI']) &&
399 - strpos($_SERVER['REQUEST_URI'], '/wp-admin/admin-ajax.php') !== false &&
400 - !empty($_REQUEST['action']) &&
401 - strpos((string) $_REQUEST['action'], 'mxchat_') === 0) {
402 - return true;
403 - }
404 - return $skip;
405 -});
406 -
407 -// FlyingPress — `flying_press_cacheable` takes a boolean and is run per
408 -// request. Same pattern as LiteSpeed / W3TC.
409 -add_filter('flying_press_cacheable', function($cacheable) {
410 - if (!$cacheable) return $cacheable;
411 - if (!empty($_SERVER['REQUEST_URI']) &&
412 - strpos($_SERVER['REQUEST_URI'], '/wp-admin/admin-ajax.php') !== false &&
413 - !empty($_REQUEST['action']) &&
414 - strpos((string) $_REQUEST['action'], 'mxchat_') === 0) {
415 - return false;
416 - }
417 - return $cacheable;
418 -});
419 -
420 31 // Include classes with error handling
421 32 function mxchat_include_classes() {
422 33 $class_files = array(
423 - 'includes/class-mxchat-model-catalog.php',
424 - 'includes/class-mxchat-model-liveness.php',
425 - 'includes/class-mxchat-session-store.php',
426 - 'includes/class-mxchat-live-agent-schedule.php',
427 - 'includes/class-mxchat-tool-registry.php',
428 34 'includes/class-mxchat-integrator.php',
429 35 'includes/class-mxchat-admin.php',
430 36 'includes/class-mxchat-public.php',
431 37 'includes/class-mxchat-utils.php',
432 38 'includes/class-mxchat-user.php',
433 - 'includes/class-mxchat-privacy.php',
434 39 'includes/class-mxchat-meta-box.php',
435 - 'includes/class-mxchat-chunker.php',
40 + 'includes/pdf-parser/alt_autoload.php',
436 41 'includes/class-mxchat-word-handler.php',
437 - 'includes/class-mxchat-content-generator.php',
438 - 'includes/class-mxchat-cache-purge.php',
439 - 'includes/class-mxchat-editor-assistant.php',
440 - 'includes/class-rest-api.php',
441 42 'admin/class-ajax-handler.php',
442 43 'admin/class-pinecone-manager.php',
443 44 'admin/class-knowledge-manager.php'
444 45 );
@@ -450,75 +51,11 @@
450 51 } else {
451 52 //error_log('MxChat: Missing class file - ' . $file);
452 53 }
453 54 }
454 -
455 - // Register the native function-calling admin-post save handler (a41dee).
456 - if (class_exists('MxChat_Tool_Registry')) {
457 - MxChat_Tool_Registry::init();
458 - }
459 -
460 - // GDPR: register with WP's personal-data export/erase tools (b81e42).
461 - if (class_exists('MxChat_Privacy')) {
462 - MxChat_Privacy::init();
463 - }
464 -
465 - // Per-session state store: retention cron + the cron-independent
466 - // migration drain off admin_init (b64b77).
467 - if (class_exists('MxChat_Session_Store')) {
468 - MxChat_Session_Store::init();
469 - }
470 -
471 - // Daily model-liveness check + its warning notice (b65e8d). Read-only and
472 - // fail-open: one listing request per in-use provider per day, none at all
473 - // when no key is stored.
474 - if (class_exists('MxChat_Model_Liveness')) {
475 - MxChat_Model_Liveness::init();
476 - }
477 -
478 - // Editor Assistant — free, OFF-by-default block-editor AI actions (plan-8cb0cb).
479 - // init() wires REST + streaming AJAX + sidebar enqueue ONLY when the
480 - // mxchat_editor_assistant_enabled option is 'on'; otherwise zero footprint.
481 - if (class_exists('MxChat_Editor_Assistant')) {
482 - MxChat_Editor_Assistant::init();
483 - }
484 -
485 - // Admin pages that aren't classes (procedural include).
486 - if (is_admin()) {
487 - $admin_api_page = plugin_dir_path(__FILE__) . 'includes/admin-api-page.php';
488 - if (file_exists($admin_api_page)) {
489 - require_once $admin_api_page;
490 - }
491 - // f7c7d4 renamed this file admin-dashboard-page.php → admin-onboarding-page.php.
492 - // The require MUST live here (admin bootstrap) and not just inside
493 - // mxchat_add_plugin_page() on the admin_menu hook — admin_menu does NOT
494 - // fire on admin-ajax.php requests, so the wizard's AJAX handlers
495 - // (plan-905439: mxchat_onboarding_kb_status / save_step / mark_step /
496 - // auto_graduate + the f7c7d4 dismiss handler) would never register.
497 - $admin_onboarding_page = plugin_dir_path(__FILE__) . 'includes/admin-onboarding-page.php';
498 - if (file_exists($admin_onboarding_page)) {
499 - require_once $admin_onboarding_page;
500 - }
501 - }
502 55 }
503 56
504 57 /**
505 - * Lazy-load the PDF parser library only when needed.
506 - * Avoids loading 44 files on every page request.
507 - */
508 -function mxchat_load_pdf_parser() {
509 - if (class_exists('\Smalot\PdfParser\Parser')) {
510 - return true;
511 - }
512 - $autoload_path = plugin_dir_path(__FILE__) . 'includes/pdf-parser/alt_autoload.php';
513 - if (file_exists($autoload_path)) {
514 - require_once $autoload_path;
515 - return true;
516 - }
517 - return false;
518 -}
519 -
520 -/**
521 58 * Create URL click tracking table
522 59 */
523 60 function mxchat_create_url_clicks_table() {
524 61 global $wpdb;
@@ -544,26 +81,8 @@
544 81 dbDelta($sql);
545 82 }
546 83
547 84 /**
548 - * Create the per-session state table (b64b77).
549 - *
550 - * Callable from the activation hook, which can run before plugins_loaded has
551 - * included the class files — so it loads the class itself when needed.
552 - */
553 -function mxchat_create_sessions_table() {
554 - if (!class_exists('MxChat_Session_Store')) {
555 - $path = plugin_dir_path(__FILE__) . 'includes/class-mxchat-session-store.php';
556 - if (!file_exists($path)) {
557 - return false;
558 - }
559 - require_once $path;
560 - }
561 -
562 - return MxChat_Session_Store::create_table();
563 -}
564 -
565 -/**
566 85 * FIXED: Robust table creation and column management
567 86 */
568 87 function mxchat_create_chat_transcripts_table() {
569 88 global $wpdb;
@@ -619,13 +138,12 @@
619 138
620 139 // Define all required columns and their types
621 140 $required_columns = [
622 141 'user_identifier' => 'VARCHAR(255) DEFAULT NULL',
623 - 'user_email' => 'VARCHAR(255) DEFAULT NULL',
142 + 'user_email' => 'VARCHAR(255) DEFAULT NULL',
624 143 'user_name' => 'VARCHAR(100) DEFAULT NULL',
625 144 'originating_page_url' => 'TEXT DEFAULT NULL',
626 - 'originating_page_title' => 'VARCHAR(500) DEFAULT NULL',
627 - 'rag_context' => 'LONGTEXT DEFAULT NULL'
145 + 'originating_page_title' => 'VARCHAR(500) DEFAULT NULL'
628 146 ];
629 147
630 148 // Get existing columns
631 149 $existing_columns = $wpdb->get_results("SHOW COLUMNS FROM $table_name");
@@ -745,137 +263,32 @@
745 263 }
746 264 }
747 265
748 266 /**
749 - * Create Pinecone role restrictions table with multi-bot support
267 + * Create Pinecone role restrictions table
750 268 */
751 269 function mxchat_create_pinecone_roles_table() {
752 270 global $wpdb;
753 -
271 +
754 272 $table_name = $wpdb->prefix . 'mxchat_pinecone_roles';
755 273 $charset_collate = $wpdb->get_charset_collate();
756 -
274 +
757 275 $sql = "CREATE TABLE $table_name (
758 276 id mediumint(9) NOT NULL AUTO_INCREMENT,
759 277 vector_id varchar(255) NOT NULL,
760 - bot_id varchar(50) NOT NULL DEFAULT 'default',
761 278 source_url text,
762 279 role_restriction varchar(50) DEFAULT 'public',
763 280 updated_at timestamp DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
764 281 PRIMARY KEY (id),
765 - UNIQUE KEY vector_bot (vector_id, bot_id),
766 - KEY role_restriction (role_restriction),
767 - KEY bot_id (bot_id)
282 + UNIQUE KEY vector_id (vector_id),
283 + KEY role_restriction (role_restriction)
768 284 ) $charset_collate;";
769 -
285 +
770 286 require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
771 287 dbDelta($sql);
772 288 }
773 289
774 290 /**
775 - * Add bot_id column to mxchat_pinecone_roles table for multi-bot support
776 - * This migration runs once to update existing installations
777 - */
778 -function mxchat_migrate_pinecone_roles_add_bot_id() {
779 - global $wpdb;
780 -
781 - // Check if migration already ran
782 - $migration_version = get_option('mxchat_pinecone_roles_migration_version', '0');
783 - if (version_compare($migration_version, '2.5.2', '>=')) {
784 - return; // Already migrated
785 - }
786 -
787 - $table_name = $wpdb->prefix . 'mxchat_pinecone_roles';
788 -
789 - // Check if table exists
790 - if ($wpdb->get_var("SHOW TABLES LIKE '{$table_name}'") != $table_name) {
791 - return; // Table doesn't exist yet
792 - }
793 -
794 - // Check if bot_id column already exists
795 - $column_exists = $wpdb->get_results("SHOW COLUMNS FROM {$table_name} LIKE 'bot_id'");
796 -
797 - if (empty($column_exists)) {
798 - // Add bot_id column
799 - $wpdb->query("ALTER TABLE {$table_name} ADD COLUMN bot_id VARCHAR(50) NOT NULL DEFAULT 'default' AFTER vector_id");
800 -
801 - // Update the unique key to include bot_id
802 - $wpdb->query("ALTER TABLE {$table_name} DROP INDEX vector_id");
803 - $wpdb->query("ALTER TABLE {$table_name} ADD UNIQUE KEY vector_bot (vector_id, bot_id)");
804 -
805 - // Add index for bot_id
806 - $wpdb->query("ALTER TABLE {$table_name} ADD KEY bot_id (bot_id)");
807 -
808 - //error_log('MxChat: Successfully added bot_id column to mxchat_pinecone_roles table');
809 - }
810 -
811 - // Mark migration as complete
812 - update_option('mxchat_pinecone_roles_migration_version', '2.5.2');
813 -}
814 -
815 -/**
816 - * 2.5.6: Add content_type column to mxchat_system_prompt_content table
817 - * Enables filtering knowledge base by content type (posts, pages, PDFs, etc.)
818 - */
819 -function mxchat_migrate_add_content_type_column() {
820 - global $wpdb;
821 -
822 - // Check if migration already ran
823 - $migration_version = get_option('mxchat_content_type_migration_version', '0');
824 - if (version_compare($migration_version, '2.5.6', '>=')) {
825 - return;
826 - }
827 -
828 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
829 -
830 - // Check if table exists
831 - if ($wpdb->get_var("SHOW TABLES LIKE '{$table_name}'") != $table_name) {
832 - return;
833 - }
834 -
835 - // Check if content_type column already exists
836 - $column_exists = $wpdb->get_results("SHOW COLUMNS FROM {$table_name} LIKE 'content_type'");
837 -
838 - if (empty($column_exists)) {
839 - // Add content_type column with default value 'content' for backwards compatibility
840 - $wpdb->query("ALTER TABLE {$table_name} ADD COLUMN content_type VARCHAR(50) DEFAULT 'content' AFTER role_restriction");
841 -
842 - // Add index for better query performance
843 - $wpdb->query("ALTER TABLE {$table_name} ADD KEY content_type (content_type)");
844 -
845 - //error_log('MxChat: Successfully added content_type column to mxchat_system_prompt_content table');
846 - }
847 -
848 - // Mark migration as complete
849 - update_option('mxchat_content_type_migration_version', '2.5.6');
850 -}
851 -
852 -/**
853 - * 3.2.4: Backfill the active embedding model option for installs that already
854 - * have KB content but no stamped model. The mismatch warning compares this
855 - * against the user's currently selected model — no per-row column needed.
856 - */
857 -function mxchat_backfill_active_embedding_model() {
858 - global $wpdb;
859 -
860 - if (get_option('mxchat_active_embedding_model', '') !== '') {
861 - return;
862 - }
863 -
864 - $kb_table = $wpdb->prefix . 'mxchat_system_prompt_content';
865 - if ($wpdb->get_var("SHOW TABLES LIKE '{$kb_table}'") !== $kb_table) {
866 - return;
867 - }
868 -
869 - $kb_count = (int) $wpdb->get_var("SELECT COUNT(*) FROM {$kb_table}");
870 - if ($kb_count > 0) {
871 - $options = get_option('mxchat_options', array());
872 - $current_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
873 - update_option('mxchat_active_embedding_model', $current_model, false);
874 - }
875 -}
876 -
877 -/**
878 291 * 2.5.2: Create queue processing tables for reliable background processing
879 292 */
880 293 function mxchat_create_queue_tables() {
881 294 global $wpdb;
@@ -923,58 +336,8 @@
923 336 //error_log("MxChat: Queue tables created/updated successfully");
924 337 }
925 338
926 339 /**
927 - * Create transcript translations table for persisting translations
928 - */
929 -function mxchat_create_translations_table() {
930 - global $wpdb;
931 - $charset_collate = $wpdb->get_charset_collate();
932 -
933 - $table_name = $wpdb->prefix . 'mxchat_transcript_translations';
934 - $sql = "CREATE TABLE $table_name (
935 - id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
936 - session_id varchar(255) NOT NULL,
937 - language_code varchar(10) NOT NULL,
938 - translations longtext NOT NULL,
939 - created_at datetime NOT NULL,
940 - updated_at datetime NOT NULL,
941 - PRIMARY KEY (id),
942 - UNIQUE KEY session_lang (session_id, language_code),
943 - KEY session_id (session_id)
944 - ) $charset_collate;";
945 -
946 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
947 - dbDelta($sql);
948 -}
949 -
950 -/**
951 - * Create per-session satisfaction ratings table (v3.2.6)
952 - * Stores one 👍/👎 rating + optional feedback per chat session.
953 - */
954 -function mxchat_create_session_ratings_table() {
955 - global $wpdb;
956 - $charset_collate = $wpdb->get_charset_collate();
957 -
958 - $table_name = $wpdb->prefix . 'mxchat_session_ratings';
959 - $sql = "CREATE TABLE $table_name (
960 - id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
961 - session_id varchar(255) NOT NULL,
962 - bot_id varchar(50) NOT NULL DEFAULT 'default',
963 - rating_value tinyint(1) NOT NULL,
964 - rating_feedback text DEFAULT NULL,
965 - created_at datetime NOT NULL,
966 - PRIMARY KEY (id),
967 - UNIQUE KEY session_id (session_id),
968 - KEY bot_id (bot_id),
969 - KEY created_at (created_at)
970 - ) $charset_collate;";
971 -
972 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
973 - dbDelta($sql);
974 -}
975 -
976 -/**
977 340 * 2.5.2: Fix URL column size to support long URLs (especially with UTF-8 encoding)
978 341 * This fixes "url, source_url. The supplied values may be too long" errors
979 342 */
980 343 function mxchat_fix_url_column_size() {
@@ -997,135 +360,22 @@
997 360
998 361 /**
999 362 * Migrate deprecated AI models to their replacements
1000 363 * Version 2.5.1: Migrate Claude 3.5 Sonnet (deprecated) to Claude 3.7 Sonnet
1001 - * Version 3.1.2: Convert chat transcripts table to utf8mb4 for emoji support
1002 - * Without utf8mb4, any bot response containing emojis silently fails to insert.
1003 364 */
1004 -function mxchat_migrate_transcripts_charset() {
1005 - global $wpdb;
1006 - $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
1007 - $wpdb->query("ALTER TABLE $table_name CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci");
1008 -}
1009 -
1010 -/**
1011 - * Version 3.0.55: Migrate GPT-4 series models (deprecated 2026-02-17) to GPT-5 series
1012 - */
1013 365 function mxchat_migrate_deprecated_models() {
1014 366 $options = get_option('mxchat_options', array());
1015 - $migrated = false;
1016 - $migration_message = '';
1017 -
1018 - if (!isset($options['model'])) {
1019 - return;
1020 - }
1021 -
1022 - $current_model = $options['model'];
1023 -
1024 - // Migrate deprecated/retired Claude models BY TIER so a rescued site lands on
1025 - // the current generation, not an older intermediate (plan dc91bd — the previous
1026 - // single target, claude-opus-4-6, is now two Opus generations behind).
1027 - $deprecated_claude_opus = array(
1028 - 'claude-3-opus-20240229', // Retired Jan 5, 2026
1029 - 'claude-opus-4-20250514', // Deprecated
1030 - 'claude-opus-4-1-20250805', // Retired Aug 5, 2026 (first-party API)
1031 - );
1032 - $deprecated_claude_sonnet = array(
1033 - 'claude-3-5-sonnet-20240620', // Retired Oct 28, 2025
1034 - 'claude-3-5-sonnet-20241022', // Retired Oct 28, 2025
1035 - 'claude-3-7-sonnet-20250219', // Retired Feb 19, 2026
1036 - 'claude-3-sonnet-20240229', // Legacy
1037 - 'claude-sonnet-4-20250514', // Deprecated
1038 - );
1039 - $deprecated_claude_haiku = array(
1040 - 'claude-3-haiku-20240307', // Legacy
1041 - 'claude-3-5-haiku-20241022', // Deprecated
1042 - );
1043 - if (in_array($current_model, $deprecated_claude_opus, true)) {
1044 - $options['model'] = 'claude-opus-5';
1045 - $migrated = true;
1046 - $migration_message = sprintf(
1047 - 'Your chatbot model has been automatically updated from %s to Claude Opus 5 because Anthropic retired the older Claude model.',
1048 - $current_model
1049 - );
1050 - } elseif (in_array($current_model, $deprecated_claude_sonnet, true)) {
1051 - $options['model'] = 'claude-sonnet-5';
1052 - $migrated = true;
1053 - $migration_message = sprintf(
1054 - 'Your chatbot model has been automatically updated from %s to Claude Sonnet 5 because Anthropic retired the older Claude model.',
1055 - $current_model
1056 - );
1057 - } elseif (in_array($current_model, $deprecated_claude_haiku, true)) {
1058 - $options['model'] = 'claude-haiku-4-5-20251001';
1059 - $migrated = true;
1060 - $migration_message = sprintf(
1061 - 'Your chatbot model has been automatically updated from %s to Claude Haiku 4.5 because Anthropic retired the older Claude model.',
1062 - $current_model
1063 - );
1064 - }
1065 -
1066 - // Migrate deprecated GPT-4 series and GPT-3.5 Turbo to GPT-5.6 Sol.
1067 - // (Previous target gpt-5.1-chat-latest itself retires 2026-08-10 — never
1068 - // migrate onto a model that is already on a deprecation list.)
1069 - if (in_array($current_model, array('gpt-4o', 'gpt-4.1-2025-04-14', 'gpt-4-turbo', 'gpt-4', 'gpt-3.5-turbo'), true)) {
1070 - $options['model'] = 'gpt-5.6-sol';
1071 - $migrated = true;
1072 - $migration_message = sprintf(
1073 - 'Your chatbot model has been automatically updated from %s to GPT-5.6 Sol due to OpenAI deprecating older models.',
1074 - $current_model
1075 - );
1076 - }
1077 -
1078 - // Migrate the gpt-5.x-chat-latest aliases OpenAI retires on August 10, 2026.
1079 - // Replacement per OpenAI's deprecations page: gpt-5.6-sol (plan e46b8f).
1080 - if (in_array($current_model, array('gpt-5.1-chat-latest', 'gpt-5.3-chat-latest'), true)) {
1081 - $options['model'] = 'gpt-5.6-sol';
1082 - $migrated = true;
1083 - $migration_message = sprintf(
1084 - 'Your chatbot model has been automatically updated from %s to GPT-5.6 Sol because OpenAI retires the GPT-5.x Chat Latest models on August 10, 2026.',
1085 - $current_model
1086 - );
1087 - }
1088 -
1089 - // The content generator has its own model option — same retirement applies.
1090 - if (isset($options['content_model'])
1091 - && in_array($options['content_model'], array('gpt-5.1-chat-latest', 'gpt-5.3-chat-latest'), true)) {
1092 - $old_content_model = $options['content_model'];
1093 - $options['content_model'] = 'gpt-5.6-sol';
1094 - $migrated = true;
1095 - $migration_message = trim($migration_message . ' ' . sprintf(
1096 - 'Your content generation model has also been updated from %s to GPT-5.6 Sol for the same OpenAI retirement.',
1097 - $old_content_model
1098 - ));
1099 - }
1100 -
1101 - // Migrate deprecated GPT-4o Mini and GPT-4.1 Mini to GPT-5 Mini
1102 - if (in_array($current_model, array('gpt-4o-mini', 'gpt-4.1-mini'), true)) {
1103 - $options['model'] = 'gpt-5-mini';
1104 - $migrated = true;
1105 - $migration_message = sprintf(
1106 - 'Your chatbot model has been automatically updated from %s to GPT-5 Mini due to OpenAI deprecating GPT-4 series models.',
1107 - $current_model
1108 - );
1109 - }
1110 -
1111 - // Migrate retired DeepSeek ids to DeepSeek V4 Flash — the vendor removed
1112 - // deepseek-chat and deepseek-reasoner on 2026-07-24 (hard cutoff, every
1113 - // request 400s). V4 Flash is DeepSeek's designated successor for the
1114 - // legacy deepseek-chat alias.
1115 - if (in_array($current_model, array('deepseek-chat', 'deepseek-reasoner'), true)) {
1116 - $options['model'] = 'deepseek-v4-flash';
1117 - $migrated = true;
1118 - $migration_message = sprintf(
1119 - 'Your chatbot model has been automatically updated from %s to DeepSeek V4 Flash because DeepSeek retired its older API models on July 24, 2026.',
1120 - $current_model
1121 - );
1122 - }
1123 -
1124 - if ($migrated) {
367 +
368 + // Check if model is set and is the deprecated Claude 3.5 Sonnet
369 + if (isset($options['model']) && $options['model'] === 'claude-3-5-sonnet-20241022') {
370 + // Update to Claude 3.7 Sonnet (the replacement model)
371 + $options['model'] = 'claude-3-7-sonnet-20250219';
1125 372 update_option('mxchat_options', $options);
373 +
374 + // Set a flag to show admin notice
1126 375 update_option('mxchat_model_migrated_notice', true);
1127 - update_option('mxchat_model_migration_message', $migration_message);
376 +
377 + //error_log('MxChat: Migrated deprecated Claude 3.5 Sonnet to Claude 3.7 Sonnet');
1128 378 }
1129 379 }
1130 380
1131 381 /**
@@ -1132,60 +382,20 @@
1132 382 * Show admin notice after model migration
1133 383 */
1134 384 function mxchat_show_migration_notice() {
1135 385 if (get_option('mxchat_model_migrated_notice')) {
1136 - $migration_message = get_option('mxchat_model_migration_message', __('Your chatbot model has been automatically updated due to a model deprecation.', 'mxchat'));
1137 386 ?>
1138 387 <div class="notice notice-info is-dismissible">
1139 388 <p>
1140 389 <strong><?php esc_html_e('MxChat Model Updated', 'mxchat'); ?></strong><br>
1141 - <?php echo esc_html($migration_message); ?>
390 + <?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'); ?>
1142 391 </p>
1143 392 </div>
1144 393 <?php
1145 394 delete_option('mxchat_model_migrated_notice');
1146 - delete_option('mxchat_model_migration_message');
1147 395 }
1148 396 }
1149 397
1150 -/**
1151 - * Persistent admin notice when the provider rejected the configured model
1152 - * (model_not_found / no access). Set by mxchat_friendly_chat_error() in the
1153 - * integrator whenever a chat request fails on a model-access error — including
1154 - * requests from anonymous visitors, which is the case that otherwise stays
1155 - * invisible to the site owner for weeks (plan e46b8f).
1156 - *
1157 - * Deleted after render so it re-arms on the next failed chat: the notice keeps
1158 - * reappearing until the model is fixed, then stops on its own.
1159 - */
1160 -function mxchat_show_model_access_notice() {
1161 - if (!current_user_can('manage_options')) {
1162 - return;
1163 - }
1164 - $notice = get_option('mxchat_model_access_notice');
1165 - if (!is_array($notice) || empty($notice['model'])) {
1166 - return;
1167 - }
1168 - $settings_url = admin_url('admin.php?page=mxchat-max');
1169 - ?>
1170 - <div class="notice notice-error is-dismissible">
1171 - <p>
1172 - <strong><?php esc_html_e('MxChat: your AI model is being rejected by the provider', 'mxchat'); ?></strong><br>
1173 - <?php
1174 - printf(
1175 - /* translators: 1: model id, 2: provider name */
1176 - esc_html__('Chat requests using the model "%1$s" are failing because %2$s reports it as unavailable on your API key (it may have been retired). Visitors may be seeing errors instead of replies.', 'mxchat'),
1177 - esc_html($notice['model']),
1178 - esc_html(!empty($notice['provider']) ? $notice['provider'] : __('the AI provider', 'mxchat'))
1179 - );
1180 - ?>
1181 - <a href="<?php echo esc_url($settings_url); ?>"><?php esc_html_e('Choose a different model in MxChat Settings', 'mxchat'); ?></a>
1182 - </p>
1183 - </div>
1184 - <?php
1185 - delete_option('mxchat_model_access_notice');
1186 -}
1187 -
1188 398 function mxchat_activate() {
1189 399 global $wpdb;
1190 400 $charset_collate = $wpdb->get_charset_collate();
1191 401
@@ -1193,12 +403,8 @@
1193 403
1194 404 // Create chat transcripts table with improved function
1195 405 mxchat_create_chat_transcripts_table();
1196 406
1197 - // Per-session state table (b64b77). Activation can run before
1198 - // plugins_loaded has included the class files, so require it directly.
1199 - mxchat_create_sessions_table();
1200 -
1201 407 // System Prompt Content Table - UPDATED: Use TEXT for url and source_url columns
1202 408 $system_prompt_table = $wpdb->prefix . 'mxchat_system_prompt_content';
1203 409 $sql_system_prompt = "CREATE TABLE $system_prompt_table (
1204 410 id MEDIUMINT(9) NOT NULL AUTO_INCREMENT,
@@ -1206,12 +412,10 @@
1206 412 article_content LONGTEXT NOT NULL,
1207 413 embedding_vector LONGTEXT,
1208 414 source_url TEXT DEFAULT NULL,
1209 415 role_restriction VARCHAR(50) DEFAULT 'public',
1210 - content_type VARCHAR(50) DEFAULT 'content',
1211 416 timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
1212 - PRIMARY KEY (id),
1213 - KEY content_type (content_type)
417 + PRIMARY KEY (id)
1214 418 ) $charset_collate;";
1215 419
1216 420 // Intents Table - NOW INCLUDES enabled_bots column from the start
1217 421 $intents_table = $wpdb->prefix . 'mxchat_intents';
@@ -1226,26 +430,13 @@
1226 430 enabled_bots LONGTEXT DEFAULT NULL,
1227 431 PRIMARY KEY (id)
1228 432 ) $charset_collate;";
1229 433
1230 - // Individual Intent Phrases Table - each phrase gets its own embedding vector
1231 - $intent_phrases_table = $wpdb->prefix . 'mxchat_intent_phrases';
1232 - $sql_intent_phrases_table = "CREATE TABLE $intent_phrases_table (
1233 - id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
1234 - intent_id BIGINT(20) UNSIGNED NOT NULL,
1235 - phrase TEXT NOT NULL,
1236 - embedding_vector LONGTEXT NOT NULL,
1237 - created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
1238 - PRIMARY KEY (id),
1239 - KEY intent_id (intent_id)
1240 - ) $charset_collate;";
1241 -
1242 434 require_once ABSPATH . 'wp-admin/includes/upgrade.php';
1243 435
1244 436 // Create other tables
1245 437 dbDelta($sql_system_prompt);
1246 438 dbDelta($sql_intents_table);
1247 - dbDelta($sql_intent_phrases_table);
1248 439
1249 440 // Create URL click tracking table
1250 441 mxchat_create_url_clicks_table();
1251 442
@@ -1254,14 +445,8 @@
1254 445
1255 446 // NEW 2.5.2: Create queue processing tables
1256 447 mxchat_create_queue_tables();
1257 448
1258 - // Create transcript translations table
1259 - mxchat_create_translations_table();
1260 -
1261 - // Create per-session satisfaction ratings table (v3.2.6)
1262 - mxchat_create_session_ratings_table();
1263 -
1264 449 // Ensure additional columns in system prompt table
1265 450 $existing_system_columns = $wpdb->get_results("SHOW COLUMNS FROM $system_prompt_table");
1266 451 if (!empty($existing_system_columns)) {
1267 452 $existing_system_column_names = array_column($existing_system_columns, 'Field');
@@ -1301,21 +486,14 @@
1301 486 ));
1302 487 }
1303 488 }
1304 489
1305 - // Run migration for existing installations
1306 - mxchat_migrate_pinecone_roles_add_bot_id();
1307 -
1308 - // 3.2.4: Backfill active embedding model option (replaces 3.2.3 column-based tracking)
1309 - mxchat_backfill_active_embedding_model();
1310 -
1311 490 // Setup cron jobs
1312 491 mxchat_setup_cron_jobs();
1313 492
1314 - // Update version (stable base version — never the dev time()-suffixed one,
1315 - // or the check_for_update comparison would churn every request)
1316 - update_option('mxchat_plugin_version', MXCHAT_BASE_VERSION);
1317 -
493 + // Update version
494 + update_option('mxchat_plugin_version', MXCHAT_VERSION);
495 +
1318 496 //error_log("MxChat: Activation function completed");
1319 497 }
1320 498
1321 499 /**
@@ -1329,42 +507,22 @@
1329 507 if (defined('DISABLE_WP_CRON') && DISABLE_WP_CRON) {
1330 508 // Set flag to use fallback system
1331 509 update_option('mxchat_use_fallback_rate_limits', true);
1332 510 update_option('mxchat_next_rate_limit_check', time() + 3600);
1333 - // Deliberately NO early return (plan-bc08a6): transcript cleanup below
1334 - // must still be scheduled. DISABLE_WP_CRON only changes HOW cron events
1335 - // execute (a server-side runner hitting wp-cron.php instead of loopback
1336 - // spawns) — scheduling still just writes the cron option. The old early
1337 - // return here meant a deactivate/reactivate cycle on a DISABLE_WP_CRON
1338 - // site permanently lost the transcript cleanup event while the retention
1339 - // setting still claimed to be active.
511 + return;
512 + }
513 +
514 + // Schedule the rate limit reset cron job
515 + $result = wp_schedule_event(time() + 300, 'hourly', 'mxchat_reset_rate_limits');
516 +
517 + if ($result === false) {
518 + // Fallback if scheduling fails
519 + update_option('mxchat_use_fallback_rate_limits', true);
520 + update_option('mxchat_next_rate_limit_check', time() + 3600);
1340 521 } else {
1341 - // Schedule the rate limit reset cron job
1342 - $result = wp_schedule_event(time() + 300, 'hourly', 'mxchat_reset_rate_limits');
1343 -
1344 - if ($result === false) {
1345 - // Fallback if scheduling fails
1346 - update_option('mxchat_use_fallback_rate_limits', true);
1347 - update_option('mxchat_next_rate_limit_check', time() + 3600);
1348 - } else {
1349 - // Clear fallback flags if cron scheduling succeeded
1350 - delete_option('mxchat_use_fallback_rate_limits');
1351 - }
522 + // Clear fallback flags if cron scheduling succeeded
523 + delete_option('mxchat_use_fallback_rate_limits');
1352 524 }
1353 -
1354 - // Schedule transcript cleanup if configured (bucket dropdown OR custom retention-days > 0)
1355 - $transcript_options = get_option('mxchat_transcripts_options', array());
1356 - $cleanup_interval = isset($transcript_options['mxchat_auto_delete_transcripts']) ? $transcript_options['mxchat_auto_delete_transcripts'] : 'never';
1357 - $custom_retention = isset($transcript_options['mxchat_retention_days']) ? (int) $transcript_options['mxchat_retention_days'] : 0;
1358 -
1359 - if ($cleanup_interval !== 'never' || $custom_retention > 0) {
1360 - // Check if not already scheduled
1361 - if (!wp_next_scheduled('mxchat_cleanup_old_transcripts')) {
1362 - // Schedule to run daily at 3 AM
1363 - $next_run = strtotime('tomorrow 3:00 AM');
1364 - wp_schedule_event($next_run, 'daily', 'mxchat_cleanup_old_transcripts');
1365 - }
1366 - }
1367 525 }
1368 526
1369 527 /**
1370 528 * Clean up on plugin deactivation
@@ -1371,11 +529,8 @@
1371 529 */
1372 530 function mxchat_deactivate() {
1373 531 // Clear scheduled cron jobs
1374 532 wp_clear_scheduled_hook('mxchat_reset_rate_limits');
1375 - wp_clear_scheduled_hook('mxchat_cleanup_old_transcripts');
1376 - wp_clear_scheduled_hook('mxchat_send_delayed_transcript');
1377 - wp_clear_scheduled_hook('mxchat_model_liveness_check');
1378 533
1379 534 // Clear fallback options
1380 535 delete_option('mxchat_use_fallback_rate_limits');
1381 536 delete_option('mxchat_next_rate_limit_check');
@@ -1395,25 +550,17 @@
1395 550 return;
1396 551 }
1397 552
1398 553 $next_check = get_option('mxchat_next_rate_limit_check', 0);
1399 -
554 +
1400 555 if (time() >= $next_check) {
1401 - // Reuse the bootstrap's integrator — mxchat_init() creates the global on
1402 - // plugins_loaded (before this init-priority-5 callback), so it's always set
1403 - // here. Constructing a second MxChat_Integrator just to call one method
1404 - // re-registers every hook the plugin has (ajax pairs, wp_footer loader,
1405 - // rest_api_init, admin_init guard) on a duplicate instance for the rest of
1406 - // the request. Defensive construction only if the global is somehow unset.
1407 - // NOTE: MxChat_Integrator::check_fallback_rate_limits() is a second
1408 - // implementation of this same check — if either changes, change both.
1409 - global $mxchat_integrator;
1410 - $integrator = ($mxchat_integrator instanceof MxChat_Integrator)
1411 - ? $mxchat_integrator
1412 - : (class_exists('MxChat_Integrator') ? new MxChat_Integrator() : null);
1413 - if ($integrator && method_exists($integrator, 'mxchat_reset_rate_limits')) {
1414 - $integrator->mxchat_reset_rate_limits();
1415 - update_option('mxchat_next_rate_limit_check', time() + 3600);
556 + // Only run reset if the MxChat_Integrator class exists
557 + if (class_exists('MxChat_Integrator')) {
558 + $integrator = new MxChat_Integrator();
559 + if (method_exists($integrator, 'mxchat_reset_rate_limits')) {
560 + $integrator->mxchat_reset_rate_limits();
561 + update_option('mxchat_next_rate_limit_check', time() + 3600);
562 + }
1416 563 }
1417 564 }
1418 565 }
1419 566
@@ -1425,9 +572,9 @@
1425 572 global $wpdb;
1426 573
1427 574 try {
1428 575 $current_version = get_option('mxchat_plugin_version', '0.0.0');
1429 - $plugin_version = MXCHAT_BASE_VERSION;
576 + $plugin_version = MXCHAT_VERSION;
1430 577
1431 578 // Always ensure critical tables exist (even if version matches)
1432 579 // This handles manual table deletion or fresh installs
1433 580 $chat_table = $wpdb->prefix . 'mxchat_chat_transcripts';
@@ -1432,16 +579,12 @@
1432 579 // This handles manual table deletion or fresh installs
1433 580 $chat_table = $wpdb->prefix . 'mxchat_chat_transcripts';
1434 581 $queue_table = $wpdb->prefix . 'mxchat_processing_queue';
1435 582
1436 - $sessions_table = $wpdb->prefix . 'mxchat_sessions';
1437 -
1438 583 $chat_exists = $wpdb->get_var("SHOW TABLES LIKE '$chat_table'") === $chat_table;
1439 584 $queue_exists = $wpdb->get_var("SHOW TABLES LIKE '$queue_table'") === $queue_table;
1440 - $sessions_exists = get_option('mxchat_session_store_ready') === '1'
1441 - || $wpdb->get_var("SHOW TABLES LIKE '$sessions_table'") === $sessions_table;
1442 -
1443 - if (!$chat_exists || !$queue_exists || !$sessions_exists) {
585 +
586 + if (!$chat_exists || !$queue_exists) {
1444 587 //error_log("MxChat: Critical tables missing, running activation");
1445 588 mxchat_activate();
1446 589 }
1447 590
@@ -1447,14 +590,11 @@
1447 590
1448 591 // Version-specific migrations
1449 592 if ($current_version !== $plugin_version) {
1450 593 //error_log("MxChat: Version change detected: $current_version -> $plugin_version");
1451 -
594 +
1452 595 // Run live agent update BEFORE updating the stored version
1453 596 mxchat_handle_live_agent_update();
1454 -
1455 - // Run theme migration notice for 3.0.1 (AI theme CSS structure changes)
1456 - mxchat_handle_theme_migration_notice();
1457 597
1458 598 // Run role restriction migration for 2.4.1
1459 599 if (version_compare($current_version, '2.4.1', '<')) {
1460 600 mxchat_add_role_restriction_column();
@@ -1475,77 +615,9 @@
1475 615 mxchat_create_queue_tables();
1476 616 mxchat_fix_url_column_size(); // NEW: Fix URL column size for long URLs
1477 617 //error_log("MxChat: Queue tables created and URL columns updated for upgrade to 2.5.2");
1478 618 }
1479 -
1480 - // 2.6.0: Ensure rag_context column exists for retrieved documents feature
1481 - if (version_compare($current_version, '2.6.0', '<')) {
1482 - $chat_table = $wpdb->prefix . 'mxchat_chat_transcripts';
1483 - mxchat_ensure_all_columns($chat_table);
1484 - //error_log("MxChat: rag_context column migration for 2.6.0");
1485 - }
1486 -
1487 - // 3.0.5: Migrate deprecated Gemini embedding model
1488 - if (version_compare($current_version, '3.0.5', '<')) {
1489 - mxchat_migrate_gemini_embedding_model();
1490 - }
1491 -
1492 - // 3.0.6: Migrate deprecated OpenAI and Claude models
1493 - if (version_compare($current_version, '3.0.6', '<')) {
1494 - mxchat_migrate_deprecated_models();
1495 - }
1496 -
1497 - // 3.1.2: Convert chat transcripts table to utf8mb4 for emoji support
1498 - if (version_compare($current_version, '3.1.2', '<')) {
1499 - mxchat_migrate_transcripts_charset();
1500 - }
1501 -
1502 - // 3.1.7: Clean up stale shared session email/name entries
1503 - if (version_compare($current_version, '3.1.7', '<')) {
1504 - delete_option('mxchat_email_null');
1505 - delete_option('mxchat_name_null');
1506 - }
1507 -
1508 - // 3.2.4: Backfill active embedding model option for the warning UI
1509 - // (replaces the per-row column tracking from 3.2.3, which was reverted)
1510 - if (version_compare($current_version, '3.2.4', '<')) {
1511 - mxchat_backfill_active_embedding_model();
1512 - }
1513 -
1514 - // 3.2.15: Migrate retired DeepSeek ids (deepseek-chat / deepseek-reasoner
1515 - // were shut off at the vendor on 2026-07-24). The function is idempotent —
1516 - // it only rewrites models on its deprecation lists.
1517 - if (version_compare($current_version, '3.2.15', '<')) {
1518 - mxchat_migrate_deprecated_models();
1519 - }
1520 -
1521 - // 3.2.16: Migrate OpenAI ids retiring 2026-08-10 (gpt-5.1-chat-latest /
1522 - // gpt-5.3-chat-latest → gpt-5.6-sol per OpenAI's deprecations page).
1523 - // Idempotent — only rewrites models on the deprecation lists (e46b8f).
1524 - if (version_compare($current_version, '3.2.16', '<')) {
1525 - mxchat_migrate_deprecated_models();
1526 - }
1527 -
1528 - // 3.2.17: Credential options must not autoload (af2400) — the two
1529 - // Pinecone-secret-holding rows were in alloptions, i.e. read into
1530 - // memory on every request including anonymous page views. Idempotent.
1531 - // Also carry the import modal's remembered ACF→PDF checkbox state
1532 - // into the new install-level option (11720c).
1533 - if (version_compare($current_version, '3.2.17', '<')) {
1534 - mxchat_fix_credential_option_autoload();
1535 - mxchat_migrate_acf_pdf_extraction_option();
1536 - }
1537 -
1538 - // 3.2.19: Claude Opus 4.1 retired Aug 5, 2026 — auto-move stranded
1539 - // sites (and the older tiers on the migration's lists) per the
1540 - // changelog's promise. Idempotent — only rewrites models on the
1541 - // deprecation lists. Without a gate at this release's version,
1542 - // nothing calls the migration for 3.2.18 upgraders (plan a5a598;
1543 - // the gate value must equal the version this block ships in).
1544 - if (version_compare($current_version, '3.2.19', '<')) {
1545 - mxchat_migrate_deprecated_models();
1546 - }
1547 -
619 +
1548 620 // Run full activation to ensure everything is up to date
1549 621 mxchat_activate();
1550 622
1551 623 // Run migration functions
@@ -1550,11 +622,12 @@
1550 622
1551 623 // Run migration functions
1552 624 mxchat_migrate_live_agent_status();
1553 625
1554 - // (The 2.1.8 orphaned-history reconciliation sweep is gone —
1555 - // 3.2.19's mxchat_history_backlog_* drain supersedes it, and it
1556 - // self-arms without a version gate: plan 839c4c.)
626 + // Add the cleanup function for version 2.1.8
627 + if (version_compare($current_version, '2.1.8', '<')) {
628 + $deleted = mxchat_cleanup_orphaned_chat_history();
629 + }
1557 630
1558 631 // Update version LAST
1559 632 update_option('mxchat_plugin_version', $plugin_version);
1560 633
@@ -1567,67 +640,8 @@
1567 640 }
1568 641 }
1569 642
1570 643 /**
1571 - * Credential options must never enter the autoloaded alloptions set.
1572 - * mxchat_prompts_options and mxchat_pinecone_addon_options can hold the
1573 - * Pinecone API secret; mxchat_options already stores its keys with autoload
1574 - * off and these two must match it. The filter covers every future
1575 - * add_option()/update_option() that creates the row — Settings API saves
1576 - * through options.php and WP-CLI included — on WP 6.6+; older cores are
1577 - * covered by the explicit autoload arguments at the plugin's own write
1578 - * sites plus the one-time migration below.
1579 - */
1580 -add_filter('wp_default_autoload_value', 'mxchat_credential_option_autoload_value', 10, 2);
1581 -function mxchat_credential_option_autoload_value($autoload, $option) {
1582 - if (in_array($option, array('mxchat_prompts_options', 'mxchat_pinecone_addon_options'), true)) {
1583 - return false;
1584 - }
1585 - return $autoload;
1586 -}
1587 -
1588 -/**
1589 - * One-time upgrade migration: flip the autoload flag on credential option
1590 - * rows that existing installs are already carrying autoloaded. Includes
1591 - * mxchat_adv_api_token (Advanced Content bearer token) — harmless no-op
1592 - * when that add-on is not installed, since missing rows simply don't match.
1593 - */
1594 -function mxchat_fix_credential_option_autoload() {
1595 - $keys = array('mxchat_prompts_options', 'mxchat_pinecone_addon_options', 'mxchat_adv_api_token');
1596 - if (function_exists('wp_set_option_autoload_values')) {
1597 - wp_set_option_autoload_values(array_fill_keys($keys, false));
1598 - return;
1599 - }
1600 - // Pre-WP-6.4 fallback: direct flip + cache invalidation.
1601 - global $wpdb;
1602 - $placeholders = implode(',', array_fill(0, count($keys), '%s'));
1603 - $wpdb->query($wpdb->prepare("UPDATE {$wpdb->options} SET autoload = 'no' WHERE option_name IN ($placeholders)", $keys));
1604 - wp_cache_delete('alloptions', 'options');
1605 - foreach ($keys as $key) {
1606 - wp_cache_delete($key, 'options');
1607 - }
1608 -}
1609 -
1610 -/**
1611 - * One-time carry of the import modal's remembered ACF→PDF checkbox state
1612 - * (mxchat_options['acf_pdf_extract_default'], written per-import until 3.2.16)
1613 - * into the new install-level option mxchat_acf_pdf_extraction (plan 11720c).
1614 - * Fresh installs and installs that never touched the checkbox default OFF,
1615 - * matching the setting's own "recommended only if…" guidance.
1616 - */
1617 -function mxchat_migrate_acf_pdf_extraction_option() {
1618 - if (get_option('mxchat_acf_pdf_extraction', null) !== null) {
1619 - return; // already set — never overwrite an owner's choice
1620 - }
1621 - $mxchat_options = get_option('mxchat_options', array());
1622 - if (is_array($mxchat_options) && array_key_exists('acf_pdf_extract_default', $mxchat_options)) {
1623 - update_option('mxchat_acf_pdf_extraction', !empty($mxchat_options['acf_pdf_extract_default']) ? '1' : '0', false);
1624 - unset($mxchat_options['acf_pdf_extract_default']);
1625 - update_option('mxchat_options', $mxchat_options);
1626 - }
1627 -}
1628 -
1629 -/**
1630 644 * Ensure tables exist on every admin load for fresh installations
1631 645 * This is a safety net for cases where activation hook doesn't fire
1632 646 */
1633 647 function mxchat_ensure_tables_exist() {
@@ -1647,16 +661,12 @@
1647 661
1648 662 $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
1649 663 $queue_table = $wpdb->prefix . 'mxchat_processing_queue';
1650 664
1651 - $sessions_table = $wpdb->prefix . 'mxchat_sessions';
1652 -
1653 665 $chat_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name;
1654 666 $queue_exists = $wpdb->get_var("SHOW TABLES LIKE '$queue_table'") === $queue_table;
1655 - $sessions_exists = get_option('mxchat_session_store_ready') !== false
1656 - || $wpdb->get_var("SHOW TABLES LIKE '$sessions_table'") === $sessions_table;
1657 -
1658 - if (!$chat_exists || !$queue_exists || !$sessions_exists) {
667 +
668 + if (!$chat_exists || !$queue_exists) {
1659 669 //error_log("MxChat: Tables missing on admin load, running activation");
1660 670 mxchat_activate();
1661 671 }
1662 672 }
@@ -1661,116 +671,49 @@
1661 671 }
1662 672 }
1663 673
1664 674 /**
1665 - * One-shot cleanup of legacy mxchat_history_<sid> option rows (plan 839c4c).
1666 - *
1667 - * 3.2.19 deduplicated per-session chat history into the transcripts table
1668 - * (which already held a superset of every option copy measured), so nothing
1669 - * writes these options any more — but an upgraded install still carries one
1670 - * per session, at up to 64 KB a row (462 rows measured on one production
1671 - * install). This drain replaces the old mxchat_cleanup_orphaned_chat_history()
1672 - * reconciliation sweep, which existed only because there were two copies to
1673 - * reconcile.
1674 - *
1675 - * b64b77 pattern throughout: an option_id bookmark that only moves forward
1676 - * (a crash mid-batch re-processes at most one batch), delete_option() per row
1677 - * so the object + notoptions caches stay coherent, batches drained off
1678 - * non-AJAX admin_init plus the session-store maintenance cron. Once the
1679 - * backlog is gone the state marks done and every later call is one cached
1680 - * option read.
675 + * Clean up orphaned chat history options from the wp_options table
676 + * @return int Number of options deleted
1681 677 */
1682 -function mxchat_history_backlog_state() {
1683 - // The state option name MUST NOT start with 'mxchat_history_' — the drain
1684 - // deletes everything matching that prefix, and a state option inside the
1685 - // pattern gets eaten by its own drain (caught by the 839c4c rig: batches
1686 - // ran 2,2,2,1 instead of 2,2,1 because the bookmark row was being deleted
1687 - // and re-created every pass).
1688 - $state = get_option('mxchat_legacy_history_cleanup', array());
1689 - if (!is_array($state)) {
1690 - $state = array();
1691 - }
1692 -
1693 - return wp_parse_args($state, array(
1694 - 'done' => false,
1695 - 'last_option_id' => 0,
1696 - 'deleted' => 0,
1697 - ));
1698 -}
1699 -
1700 -/**
1701 - * Delete one batch of legacy history options.
1702 - *
1703 - * @param int $batch Rows per pass — capped small; these can be 64 KB rows.
1704 - * @return int Option rows deleted in this pass.
1705 - */
1706 -function mxchat_history_backlog_batch($batch = 200) {
678 +function mxchat_cleanup_orphaned_chat_history() {
1707 679 global $wpdb;
680 + $count = 0;
1708 681
1709 - $state = mxchat_history_backlog_state();
1710 - if (!empty($state['done'])) {
1711 - return 0;
1712 - }
1713 -
1714 - $batch = max(1, (int) $batch);
1715 -
1716 - $rows = $wpdb->get_results(
1717 - $wpdb->prepare(
1718 - "SELECT option_id, option_name FROM {$wpdb->options}
1719 - WHERE option_id > %d AND option_name LIKE %s
1720 - ORDER BY option_id ASC LIMIT %d",
1721 - (int) $state['last_option_id'],
1722 - $wpdb->esc_like('mxchat_history_') . '%',
1723 - $batch
1724 - ),
1725 - ARRAY_A
682 + // Get all option keys that match our pattern
683 + $history_options = $wpdb->get_results(
684 + "SELECT option_name FROM {$wpdb->options}
685 + WHERE option_name LIKE 'mxchat_history_%'"
1726 686 );
1727 687
1728 - if (empty($rows)) {
1729 - $state['done'] = true;
1730 - update_option('mxchat_legacy_history_cleanup', $state, 'no');
1731 - return 0;
1732 - }
688 + if (!empty($history_options)) {
689 + foreach ($history_options as $option) {
690 + // Extract the session ID from the option name
691 + $session_id = str_replace('mxchat_history_', '', $option->option_name);
1733 692
1734 - foreach ($rows as $row) {
1735 - $state['last_option_id'] = max((int) $state['last_option_id'], (int) $row['option_id']);
1736 - delete_option($row['option_name']);
1737 - $state['deleted'] = (int) $state['deleted'] + 1;
1738 - }
693 + // Check if this session still exists in the custom table
694 + $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
695 + $exists = $wpdb->get_var(
696 + $wpdb->prepare(
697 + "SELECT COUNT(*) FROM {$table_name} WHERE session_id = %s",
698 + $session_id
699 + )
700 + );
1739 701
1740 - if (count($rows) < $batch) {
1741 - $state['done'] = true;
1742 - }
1743 -
1744 - update_option('mxchat_legacy_history_cleanup', $state, 'no');
1745 -
1746 - return count($rows);
1747 -}
1748 -
1749 -/** One batch per admin page load until drained. */
1750 -function mxchat_history_backlog_drain() {
1751 - mxchat_history_backlog_batch();
1752 -}
1753 -
1754 -/** Cron leg: drain faster, same cap per batch. */
1755 -function mxchat_history_backlog_drain_cron() {
1756 - for ($i = 0; $i < 10; $i++) {
1757 - if (mxchat_history_backlog_batch() === 0) {
1758 - break;
702 + // If session doesn't exist in the main table, delete the option
703 + if ($exists == 0) {
704 + delete_option($option->option_name);
705 + // Also delete related metadata
706 + delete_option("mxchat_email_{$session_id}");
707 + delete_option("mxchat_name_{$session_id}");
708 + delete_option("mxchat_agent_name_{$session_id}");
709 + $count++;
710 + }
1759 711 }
1760 712 }
1761 -}
1762 713
1763 -// wp_doing_ajax() guard is load-bearing, not defensive (b64b77's shipped-and-
1764 -// caught defect): admin-ajax.php fires admin_init too, and the chat widget's
1765 -// message endpoint is an admin-ajax action — without the guard an anonymous
1766 -// visitor would pay for a delete batch inside their own chat request.
1767 -if (!wp_doing_ajax()) {
1768 - add_action('admin_init', 'mxchat_history_backlog_drain', 21);
714 + return $count;
1769 715 }
1770 -// Belt for installs whose admin is rarely visited: ride the session store's
1771 -// existing daily maintenance event rather than scheduling another.
1772 -add_action('mxchat_session_store_maintenance', 'mxchat_history_backlog_drain_cron');
1773 716
1774 717 function mxchat_migrate_live_agent_status() {
1775 718 $options = get_option('mxchat_options', []);
1776 719
@@ -1806,59 +749,31 @@
1806 749 function mxchat_handle_live_agent_update() {
1807 750 // Get the CURRENT stored version (before it gets updated)
1808 751 $current_version = get_option('mxchat_plugin_version', '0.0.0');
1809 752 $new_version = '2.2.2';
1810 -
753 +
1811 754 // Only run this once for the update to 2.2.2
1812 755 $update_handled = get_option('mxchat_live_agent_update_2_2_2_handled', false);
1813 -
756 +
1814 757 // Check if we're upgrading TO 2.2.2 and haven't handled this yet
1815 758 if (version_compare($current_version, $new_version, '<') && !$update_handled) {
1816 759 $options = get_option('mxchat_options', array());
1817 -
760 +
1818 761 // Check if live agent was previously enabled
1819 762 if (isset($options['live_agent_status']) && $options['live_agent_status'] === 'on') {
1820 763 // Disable live agent
1821 764 $options['live_agent_status'] = 'off';
1822 765 update_option('mxchat_options', $options);
1823 -
766 +
1824 767 // Set flag to show the notification banner
1825 768 update_option('mxchat_show_live_agent_disabled_notice', true);
1826 769 }
1827 -
770 +
1828 771 // Mark this update as handled
1829 772 update_option('mxchat_live_agent_update_2_2_2_handled', true);
1830 773 }
1831 774 }
1832 775
1833 -/**
1834 - * Handle theme migration notice for version 3.0.1
1835 - * Shows a dismissible notice to Pro users about migrating AI-generated themes
1836 - */
1837 -function mxchat_handle_theme_migration_notice() {
1838 - // Get the CURRENT stored version (before it gets updated)
1839 - $current_version = get_option('mxchat_plugin_version', '0.0.0');
1840 - $target_version = '3.0.1';
1841 -
1842 - // Only run this once for the update to 3.0.1
1843 - $update_handled = get_option('mxchat_theme_migration_update_3_0_1_handled', false);
1844 -
1845 - // Check if we're upgrading TO 3.0.1 and haven't handled this yet
1846 - if (version_compare($current_version, $target_version, '<') && !$update_handled) {
1847 - // Check if Pro is activated - only show to Pro users
1848 - $license_status = get_option('mxchat_license_status', 'inactive');
1849 - $is_pro = ($license_status === 'active');
1850 -
1851 - if ($is_pro) {
1852 - // Set flag to show the theme migration notification banner
1853 - update_option('mxchat_show_theme_migration_notice', true);
1854 - }
1855 -
1856 - // Mark this update as handled (whether Pro or not)
1857 - update_option('mxchat_theme_migration_update_3_0_1_handled', true);
1858 - }
1859 -}
1860 -
1861 776 // Initialize plugin safely
1862 777 function mxchat_init() {
1863 778 // Include all class files first
1864 779 mxchat_include_classes();
@@ -1873,9 +788,8 @@
1873 788 add_action('init', 'mxchat_check_fallback_rate_limits', 5);
1874 789
1875 790 // Add migration notice hook
1876 791 add_action('admin_notices', 'mxchat_show_migration_notice');
1877 - add_action('admin_notices', 'mxchat_show_model_access_notice');
1878 792
1879 793 // Initialize classes with error handling
1880 794 try {
1881 795 // Initialize admin classes
@@ -1891,32 +805,10 @@
1891 805 // Initialize meta box class
1892 806 if (class_exists('MxChat_Meta_Box')) {
1893 807 new MxChat_Meta_Box();
1894 808 }
1895 -
1896 809 }
1897 -
1898 - // Initialize content generator globally — it registers wp_head hook
1899 - // for frontend CSS injection, plus wp_ajax_ hooks for admin.
1900 - if (class_exists('MxChat_Content_Generator')) {
1901 - new MxChat_Content_Generator();
1902 - }
1903 -
1904 - // Initialize cache purge globally — settings writes can happen on any
1905 - // request type (admin screens, admin-ajax autosave, wp-cli), and the
1906 - // deferred-purge cron event fires on front-end requests.
1907 - if (class_exists('MxChat_Cache_Purge')) {
1908 - MxChat_Cache_Purge::init();
1909 - }
1910 -
1911 - // Initialize REST API globally — endpoints must be registered on
1912 - // every request (admin and frontend) so they're reachable via /wp-json/.
1913 - // Endpoints are auth-gated and locked until the site owner generates
1914 - // a token in MxChat → API Access.
1915 - if (class_exists('MxChat_Rest_Api')) {
1916 - new MxChat_Rest_Api();
1917 - }
1918 -
810 +
1919 811 // Initialize public classes
1920 812 if (class_exists('MxChat_Public')) {
1921 813 $mxchat_public = new MxChat_Public();
1922 814 }
@@ -1943,74 +835,8 @@
1943 835
1944 836 // Run initialization on plugins_loaded
1945 837 add_action('plugins_loaded', 'mxchat_init');
1946 838
1947 -// Run migration check on admin init (for auto-updates without reactivation)
1948 -add_action('admin_init', 'mxchat_check_and_run_migrations');
1949 -
1950 -/**
1951 - * Check and run migrations on admin init
1952 - * This ensures migrations run even when plugin is auto-updated
1953 - */
1954 -function mxchat_check_and_run_migrations() {
1955 - // Only run in admin and not on every request
1956 - static $checked = false;
1957 - if ($checked) {
1958 - return;
1959 - }
1960 - $checked = true;
1961 -
1962 - mxchat_migrate_pinecone_roles_add_bot_id();
1963 - mxchat_migrate_add_content_type_column();
1964 - mxchat_migrate_add_translations_table();
1965 - mxchat_migrate_add_session_ratings_table();
1966 -}
1967 -
1968 -/**
1969 - * Migration: Create per-session satisfaction ratings table (v3.2.6)
1970 - * For users upgrading from versions before 3.2.6
1971 - */
1972 -function mxchat_migrate_add_session_ratings_table() {
1973 - $migration_key = 'mxchat_session_ratings_table_created';
1974 - if (get_option($migration_key)) {
1975 - return;
1976 - }
1977 - mxchat_create_session_ratings_table();
1978 - update_option($migration_key, '3.2.6');
1979 -}
1980 -
1981 -/**
1982 - * Migration: Create transcript translations table (v3.0.4)
1983 - * For users upgrading from versions before 3.0.4
1984 - */
1985 -function mxchat_migrate_add_translations_table() {
1986 - $migration_key = 'mxchat_translations_table_created';
1987 -
1988 - // Check if migration already ran
1989 - if (get_option($migration_key)) {
1990 - return;
1991 - }
1992 -
1993 - // Create the translations table
1994 - mxchat_create_translations_table();
1995 -
1996 - // Mark migration as complete
1997 - update_option($migration_key, '3.0.4');
1998 -}
1999 -
2000 -/**
2001 - * Migration: Update deprecated Gemini embedding model (v3.0.5)
2002 - * Updates gemini-embedding-exp-03-07 to gemini-embedding-001 for users who had it selected
2003 - */
2004 -function mxchat_migrate_gemini_embedding_model() {
2005 - $options = get_option('mxchat_options', array());
2006 -
2007 - if (isset($options['embedding_model']) && $options['embedding_model'] === 'gemini-embedding-exp-03-07') {
2008 - $options['embedding_model'] = 'gemini-embedding-001';
2009 - update_option('mxchat_options', $options);
2010 - }
2011 -}
2012 -
2013 839 // Register activation hook
2014 840 register_activation_hook(__FILE__, 'mxchat_activate');
2015 841
2016 842 // Add cron schedule
@@ -2022,67 +848,5 @@
2022 848 return $schedules;
2023 849 });
2024 850
2025 851 // Register deactivation hook
2026 -register_deactivation_hook(__FILE__, 'mxchat_deactivate');
2027 -
2028 -/**
2029 - * Per-session satisfaction rating: AJAX save handler (v3.2.6).
2030 - * Records one 👍/👎 + optional feedback per chat session. The UNIQUE KEY on
2031 - * session_id makes this naturally idempotent — only the first rating per
2032 - * session is stored; duplicate POSTs are silent no-ops.
2033 - */
2034 -function mxchat_save_session_rating() {
2035 - global $wpdb;
2036 -
2037 - $session_id = isset($_POST['session_id']) ? MxChat_Utils::sanitize_session_id(wp_unslash($_POST['session_id'])) : '';
2038 - $bot_id = isset($_POST['bot_id']) ? sanitize_text_field(wp_unslash($_POST['bot_id'])) : 'default';
2039 - $rating_raw = isset($_POST['rating']) ? (int) $_POST['rating'] : 0;
2040 - $feedback = isset($_POST['feedback']) ? sanitize_textarea_field(wp_unslash($_POST['feedback'])) : '';
2041 -
2042 - if ($session_id === '' || ($rating_raw !== 1 && $rating_raw !== -1)) {
2043 - wp_send_json_error(array('message' => 'invalid_input'), 400);
2044 - }
2045 -
2046 - if (strlen($feedback) > 1000) {
2047 - $feedback = substr($feedback, 0, 1000);
2048 - }
2049 -
2050 - $table_name = $wpdb->prefix . 'mxchat_session_ratings';
2051 - $existing = $wpdb->get_var($wpdb->prepare(
2052 - "SELECT id FROM $table_name WHERE session_id = %s LIMIT 1",
2053 - $session_id
2054 - ));
2055 -
2056 - if ($existing) {
2057 - if ($feedback !== '') {
2058 - $wpdb->update(
2059 - $table_name,
2060 - array('rating_feedback' => $feedback),
2061 - array('id' => (int) $existing),
2062 - array('%s'),
2063 - array('%d')
2064 - );
2065 - }
2066 - wp_send_json_success(array('updated' => true));
2067 - }
2068 -
2069 - $inserted = $wpdb->insert(
2070 - $table_name,
2071 - array(
2072 - 'session_id' => $session_id,
2073 - 'bot_id' => $bot_id !== '' ? $bot_id : 'default',
2074 - 'rating_value' => $rating_raw,
2075 - 'rating_feedback' => $feedback !== '' ? $feedback : null,
2076 - 'created_at' => current_time('mysql'),
2077 - ),
2078 - array('%s', '%s', '%d', '%s', '%s')
2079 - );
2080 -
2081 - if ($inserted === false) {
2082 - wp_send_json_error(array('message' => 'db_insert_failed'), 500);
2083 - }
2084 -
2085 - wp_send_json_success(array('saved' => true));
2086 -}
2087 -add_action('wp_ajax_mxchat_save_rating', 'mxchat_save_session_rating');
2088 -add_action('wp_ajax_nopriv_mxchat_save_rating', 'mxchat_save_session_rating');
852 +register_deactivation_hook(__FILE__, 'mxchat_deactivate');