Fix mojibake/noisy UI text encoding in frontend

static/index.html

@@ -638,7 +638,7 @@
 
         /* Typing effect */
         .typing-cursor::after {
-            content: 'â–‹';
+            content: '|';
             animation: blink 1s infinite;
             color: var(--accent);
         }
@@ -1040,7 +1040,7 @@
             </div>
             <div class="header-actions">
                 <button class="icon-btn" onclick="toggleTheme()" title="Toggle theme">
-                    <span id="themeIcon">🌙</span>
+                    <span id="themeIcon">&#127769;</span>
                 </button>
                 <button class="icon-btn" onclick="showConnectModal()" title="Settings">
                     <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
@@ -1062,19 +1062,19 @@
                 <p class="welcome-subtitle">Your AI assistant, developed by Krish CS</p>
                 <div class="suggestions-grid">
                     <div class="suggestion-card" onclick="sendSuggestion('Explain quantum computing in simple terms')">
-                        <div class="suggestion-icon">💡</div>
+                        <div class="suggestion-icon">&#128161;</div>
                         <div class="suggestion-text">Explain quantum computing in simple terms</div>
                     </div>
                     <div class="suggestion-card" onclick="sendSuggestion('Write a Python function to sort a list')">
-                        <div class="suggestion-icon">💻</div>
+                        <div class="suggestion-icon">&#128187;</div>
                         <div class="suggestion-text">Write a Python function to sort a list</div>
                     </div>
                     <div class="suggestion-card" onclick="sendSuggestion('What makes you different from other AIs?')">
-                        <div class="suggestion-icon">✨</div>
+                        <div class="suggestion-icon">&#10024;</div>
                         <div class="suggestion-text">What makes you different from other AIs?</div>
                     </div>
                     <div class="suggestion-card" onclick="sendSuggestion('Help me learn a new programming language')">
-                        <div class="suggestion-icon">📚</div>
+                        <div class="suggestion-icon">&#128218;</div>
                         <div class="suggestion-text">Help me learn a new programming language</div>
                     </div>
                 </div>
@@ -1116,7 +1116,7 @@
                     </button>
                 </div>
                 <div class="input-footer">
-                    <span class="input-footer-text">Krish Mind AI • Developed by Krish CS</span>
+                    <span class="input-footer-text">Krish Mind AI &bull; Developed by Krish CS</span>
                 </div>
             </div>
         </div>
@@ -1195,7 +1195,7 @@
 
         function updateThemeIcon() {
             const theme = document.documentElement.getAttribute('data-theme');
-            document.getElementById('themeIcon').textContent = theme === 'dark' ? '☀️' : '🌙';
+            document.getElementById('themeIcon').innerHTML = theme === 'dark' ? '&#9728;' : '&#127769;';
         }
 
         // Sidebar toggle
@@ -1223,10 +1223,10 @@
                 }
 
                 // Backend root serves HTML in this app; avoid forcing JSON parse.
-                console.log("✅ Connected to Local Server");
+                console.log("Connected to Local Server");
             } catch (err) {
-                console.error("❌ Local Server Not Found. Run: python scripts/server_local.py");
-                addMessage('assistant', '**⚠️ Local Server Not Running!**\n\nPlease run this command in your terminal:\n`python scripts/server_local.py`');
+                console.error("Local Server Not Found. Run: python scripts/server_local.py");
+                addMessage('assistant', '**Local Server Not Running!**\n\nPlease run this command in your terminal:\n`python scripts/server_local.py`');
             }
         }