change app avatars

streamlit_app.py

@@ -153,6 +153,14 @@ hr { border-color: #3A2408 !important; }
 """
 
 
+# ── chat avatars ──────────────────────────────────────────────────────────────
+# 🙏  namaste — the seeker approaching a teacher with folded hands
+# 🪔  diya   — jñāna-dīpa, the lamp of knowledge that dispels avidyā;
+#              Śaṅkara uses this metaphor throughout the Vivekacūḍāmaṇi
+_AVATAR_USER    = "🙏"
+_AVATAR_ADVISOR = "🪔"
+
+
 # ── streaming field markers ───────────────────────────────────────────────────
 # Gemma 4 outputs [[ ## field ]] (no closing ##); standard DSPy uses
 # [[ ## field ## ]].  config.py patches the DSPy parser to accept both, so
@@ -602,7 +610,8 @@ def main():
     total_assistant = sum(1 for m in st.session_state.messages if m["role"] == "assistant")
     assistant_count = 0
     for msg in st.session_state.messages:
-        with st.chat_message(msg["role"]):
+        avatar = _AVATAR_USER if msg["role"] == "user" else _AVATAR_ADVISOR
+        with st.chat_message(msg["role"], avatar=avatar):
             st.markdown(msg["content"])
         if msg["role"] == "assistant":
             if assistant_count < len(st.session_state.turn_data):
@@ -635,7 +644,7 @@ def main():
 
     # Add user message to history and display it immediately
     st.session_state.messages.append({"role": "user", "content": prompt})
-    with st.chat_message("user"):
+    with st.chat_message("user", avatar=_AVATAR_USER):
         st.markdown(prompt)
 
     # Build DSPy history from all prior turns (before this one)
@@ -649,7 +658,7 @@ def main():
     ]
 
     # ── pipeline execution inside assistant bubble ────────────────────────────
-    with st.chat_message("assistant"):
+    with st.chat_message("assistant", avatar=_AVATAR_ADVISOR):
 
         with st.status("Working through your question…", expanded=True) as pipeline_status: