Chat-Embed Code improvements recommended by Claude

(1) Hardcoded org check scattered throughout (Maintainability) The orgId === "ivfindia.com" check appears multiple times: Line 161, 290, 369 This could be extracted to a constant or config flag. We should move all such hardcodings to a common file. You can ask Claude to do this and review its work for reliability. (2) Please follow DRY principle (Don’t Repeat Yourself) CSS Duplication mila tha commit m Location: ChatHead.module.css:227-241 and ChatHead.module.css:244-259 .unmuteButton and .closeVideoButton have nearly identical styles: .unmuteButton { /* 15 properties */ } .closeVideoButton { /* Same 15 properties except position */ } Could be refactored to a shared class with position overrides. (3) Memory Leak - setInterval Without Cleanup Location: ChatHead.jsx:130 notification = setTimeout(handleAddNotification, PROMPT_VISIBLE_MS); setInterval(handleAddNotification, PROMPT_INTERVAL_MS); // ← NOT CLEANED UP Issue: The setInterval is never cleared in the cleanup function. Only se