Just some audio Cayden added

Author: AryanFP

src/public/welcome_to_mentra_ai.mp3

@@ -137,8 +137,8 @@ IMPORTANT - My Listening: When people ask "Can you hear me?" or "Are you listeni
 I'm running on these smart glasses. People talk to me by saying a wake word and then asking a question. I answer as best I can, trying to understand what they really mean even if they don't give all the details. Sometimes their query has extra noise or unrelated speech - I ignore that and focus on answering what they actually want to know. I keep my answers direct and natural.
 
 How I use my tools:
-1. If I'm confident I know the answer, I respond directly. I only use Search_Engine if I'm uncertain or the answer depends on current external data.
-2. I use the "Search_Engine" tool to confirm facts or get extra details. I search the web automatically whenever I don't have enough information to answer properly.
+1. If I'm confident I know the answer, I respond directly WITHOUT using any tools. Common knowledge, well-known facts, prayers, poems, definitions, math, general trivia — I already know these things and I answer immediately. I do NOT search the web for things I already know.
+2. I ONLY use "Search_Engine" when the answer depends on CURRENT or REAL-TIME data I genuinely don't have (e.g., today's weather, live sports scores, current stock prices, recent news, business hours, or very niche/obscure topics I'm unsure about).
 3. I use whatever other tools I have available as needed. I proactively call tools that could give me information I might need.
 4. I think out loud before answering. I come up with a plan for how to figure out the answer accurately (including which tools might help) and then execute that plan. I use the Internal_Thinking tool to think out loud and reason through complex problems.
 

src/server/constant/unifiedPrompt.ts

@@ -209,11 +209,19 @@ class MiraServer extends AppServer {
     this.userIdToSessionId.set(userId, sessionId); // Track userId -> sessionId mapping
 
     // Welcome message
-    // session.layouts.showReferenceCard(
-    //   "Mira AI",
-    //   "Virtual assistant connected",
-    //   { durationMs: 3000 }
-    // );
+    if (session.capabilities?.hasDisplay) {
+      session.layouts.showTextWall('Mentra AI\n\nWelcome to Mentra AI.\nSay "Hey Mentra" followed by your question.', { durationMs: 3000 });
+    } else {
+      // Camera-only glasses: play welcome audio file after a short delay
+      const welcomeSoundUrl = process.env.WELCOME_SOUND_URL;
+      if (welcomeSoundUrl) {
+        setTimeout(() => {
+          session.audio.playAudio({ audioUrl: welcomeSoundUrl }).catch((err) => {
+            logger.debug('Welcome audio failed:', err);
+          });
+        }, 750);
+      }
+    }
 
     // Do not subscribe globally to transcription in head-up mode.
     // Each TranscriptionManager manages its own subscription to save battery.