Added Files

.streamlit/secrets.toml

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+# .streamlit/secrets.toml
+
+# Your FastAPI backend (if you host it separately, e.g. on Railway or Render)
+backend_url = "https://rag-pathway.onrender.com"
+
+# Supabase credentials (if you call Supabase directly from Streamlit)
+SUPABASE_URL   = "https://iddmmovzjstbinuptpit.supabase.co"
+SUPABASE_KEY   = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdXBhYmFzZSIsInJlZiI6ImlkZG1tb3Z6anN0YmludXB0cGl0Iiwicm9sZSI6InNlcnZpY2Vfcm9sZSIsImlhdCI6MTc0MzQxMDgxMSwiZXhwIjoyMDU4OTg2ODExfQ.MQUoU3JhDSWofJ7Z3zmytbKVF8DOJ9yLBYraDI_YIFw"

app.py

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+import streamlit as st
+import requests
+
+st.set_page_config(page_title="RagBot", layout="wide")
+
+# --- Sidebar: Upload files ---
+st.sidebar.header("📂 Upload Documents")
+uploaded = st.sidebar.file_uploader(
+    "Choose PDF/TXT files",
+    type=["pdf", "txt"],
+    accept_multiple_files=True
+)
+
+if uploaded:
+    # Show a little notification
+    with st.spinner("Uploading and re-indexing…"):
+        for f in uploaded:
+            files = {"file": (f.name, f.getvalue())}
+            res = requests.post(
+                f"{st.secrets.backend_url}/upload",
+                files=files
+            )
+            res.raise_for_status()
+        # kick off reindex
+        requests.post(f"{st.secrets.backend_url}/reindex")
+    st.sidebar.success(f"Uploaded {len(uploaded)} file(s) and reindexed.")
+
+# --- Main chat interface ---
+st.title("🤖 RagBot")
+
+# keep chat history in session state
+if "history" not in st.session_state:
+    st.session_state.history = []
+
+# show previous messages
+for role, text in st.session_state.history:
+    align = "→" if role=="user" else "←"
+    st.markdown(f"**{align} {role.capitalize()}**: {text}")
+
+# input your question
+question = st.text_input("Ask a question about your documents:")
+
+if st.button("Send") and question:
+    st.session_state.history.append(("user", question))
+    with st.spinner("Thinking…"):
+        resp = requests.post(
+            f"{st.secrets.backend_url}/qa",
+            json={"question": question}
+        )
+    if resp.status_code == 200:
+        answer = resp.json().get("answer")
+        st.session_state.history.append(("assistant", answer))
+    else:
+        st.error("Failed to fetch answer.")
+
+# auto-scroll to bottom (hack)
+st.write("")  # ensures the last message is visible

requirements.txt

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+streamlit
+requests
+python-multipart      # to handle uploads if you ever embed FastAPI inside Streamlit