style(docs): rename bot username from k3s to Principal in Telegram mockup

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: jkyberneees

docs/index.html

@@ -606,9 +606,9 @@ <h1>odek</h1>
           <div class="tg-wrap" aria-label="Chatting with the odek Telegram bot — it replies in English and Spanish, with token stats per turn">
             <div class="tg-phone">
               <div class="tg-hdr">
-                <div class="tg-av">k</div>
+                <div class="tg-av">P</div>
                 <div class="tg-hdr-info">
-                  <div class="tg-bot-name">k3s</div>
+                  <div class="tg-bot-name">Principal</div>
                   <div class="tg-bot-sub">bot</div>
                 </div>
               </div>
@@ -618,17 +618,17 @@ <h1>odek</h1>
                   <span class="tg-time">13:10 ✓✓</span>
                 </div>
                 <div class="tg-msg tg-in">
-                  <span class="tg-sender">k3s</span>
+                  <span class="tg-sender">Principal</span>
                   <div class="tg-bbl"><div class="tg-reply">Hi</div>🤔 Looking into that…</div>
                   <span class="tg-time">13:10</span>
                 </div>
                 <div class="tg-msg tg-in">
-                  <span class="tg-sender">k3s</span>
+                  <span class="tg-sender">Principal</span>
                   <div class="tg-bbl"><div class="tg-reply">Hi</div>🌐 Buenas! Me saludaron en inglés pero puedo responder en inglés o español.</div>
                   <span class="tg-time">13:10</span>
                 </div>
                 <div class="tg-msg tg-in">
-                  <span class="tg-sender">k3s</span>
+                  <span class="tg-sender">Principal</span>
                   <div class="tg-bbl">
                     <div class="tg-reply">Hi</div>
                     ¡Hola! 👋<br><br>
@@ -639,7 +639,7 @@ <h1>odek</h1>
                   <span class="tg-time">13:10</span>
                 </div>
                 <div class="tg-msg tg-in">
-                  <span class="tg-sender">k3s</span>
+                  <span class="tg-sender">Principal</span>
                   <div class="tg-bbl">
                     <div class="tg-reply">Hi</div>
                     <div class="tg-code">✅ Done · 1 turn · 10095 in / 155 out · cache: 0cr+0rd+0ct · 2s — tools: none</div>