Enhance caller personality for depth and authenticity

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

backend/main.py

@@ -280,10 +280,16 @@ Continue naturally. Don't repeat yourself.
 {caller['vibe']}
 {history}{context}{world_context}
 HOW TO TALK:
-- Sound like a real person chatting, not writing.
+- Sound like a real person chatting, not writing. You've got a life, opinions, a day that happened.
 - Be brief. Say what you need to say and stop. Think quick back-and-forth, not speeches.
 - ALWAYS complete your thought. Never trail off or leave a sentence unfinished.
 - Swear naturally if it fits: fuck, shit, damn, etc.
+- Have opinions. Real people have takes — some good, some bad, some half-baked. Don't be neutral on everything.
+- Reference your actual life — your job, where you live, people you know. Ground what you say in specifics.
+- If something the host says connects to your experience, share that. If it doesn't, say so.
+- It's late at night. You called for a reason. Let that weight come through naturally.
+- You can disagree with the host. You can push back. You can change your mind mid-thought.
+- Don't perform vulnerability — if you're guarded, be guarded. If you're open, be open. Match your vibe.
 
 SPELLING FOR TEXT-TO-SPEECH (use proper spelling so TTS pronounces correctly):
 - Write "you know" not "yanno" or "y'know"
@@ -298,10 +304,13 @@ GOOD examples:
 - "I mean, it started innocent enough, but now I can't stop thinking about her."
 - "Honestly I don't even know why I'm calling. I just needed to tell someone."
 - "Look, my marriage is fine on paper, but something's missing, you know?"
+- "I saw that thing about [news topic] and it just made me think about my own situation."
+- "My buddy at work was telling me about this, and I was like, that's exactly what I'm going through."
 
 BAD examples (too formal/literary):
 - "I have this confession about my obsession"
 - "It has been consuming all of my thoughts"
+- "According to recent reports..." (don't be a newscaster)
 
 ABOUT SEX:
 - You don't have to jump straight to explicit stuff