elkay: api.py

phase/Student_view/chatbot.py

@@ -60,8 +60,6 @@ def _normalize_messages():
     st.session_state.messages = normed
 
 def _history_for_backend():
-    """Convert our local history into [{role, content}] for the backend,
-    excluding the static welcome message."""
     hist = []
     for m in st.session_state.get("messages", []):
         text = (m.get("text") or "").strip()
@@ -69,7 +67,7 @@ def _history_for_backend():
             continue
         role = "assistant" if (m.get("sender") == "assistant") else "user"
         hist.append({"role": role, "content": text})
-    return hist
+    return hist[-4:]  # <= keep it tiny
 
 # -------------------------------
 # Reply via backend (/chat)

phase/Student_view/quiz.py

@@ -1,3 +1,4 @@
+#quiz.py
 import os
 import streamlit as st
 from utils.quizdata import quizzes_data
@@ -350,13 +351,26 @@ def show_results(quiz_id):
         st.session_state.answers = {}
         if "messages" not in st.session_state:
             st.session_state.messages = []
-        wrong_q_text = "\n".join(
-            [f"Q: {q}\nYour answer: {ua}\nCorrect answer: {ca}\nExplanation: {ex}"
-             for q, ua, ca, ex in wrong_answers])
-        tutor_prompt = f"I just completed a financial quiz and got some questions wrong. Here are the details:\n{wrong_q_text}\nCan you help me understand these concepts better?"
+
+        # keep only first 3 wrong items, and cap text length
+        short = wrong_answers[:3]
+        rows = []
+        for q, ua, ca, ex in short:
+            q = (q or "")[:160]
+            ua = (", ".join(ua) if isinstance(ua, list) else str(ua or ""))[:120]
+            ca = (", ".join(ca) if isinstance(ca, list) else str(ca or ""))[:120]
+            ex = (ex or "")[:200]
+            rows.append(f"Q: {q}\nYour answer: {ua}\nCorrect answer: {ca}\nExplanation: {ex}")
+
+        handoff = (
+            "I just completed a financial quiz and missed a few. "
+            "Explain each briefly and give one easy tip to remember:\n\n" +
+            "\n\n".join(rows)
+        )
+
         st.session_state.messages.append({
             "id": str(datetime.datetime.now().timestamp()),
-            "text": tutor_prompt,
+            "text": handoff,
             "sender": "user",
             "timestamp": datetime.datetime.now()
         })

utils/api.py

@@ -12,7 +12,7 @@ if not BACKEND:
     raise RuntimeError("BACKEND_URL is not set in Space secrets.")
 
 TOKEN = (os.getenv("BACKEND_TOKEN") or os.getenv("HF_TOKEN") or "").strip()
-DEFAULT_TIMEOUT = int(os.getenv("BACKEND_TIMEOUT", "60"))
+DEFAULT_TIMEOUT = int(os.getenv("BACKEND_TIMEOUT", "120"))
 
 _session = requests.Session()
 retry = Retry(
@@ -65,18 +65,24 @@ def _req(method: str, path: str, **kw):
             # try next prefix on 404
             if status == 404:
                 continue
+
+            # ---------- friendlier auth errors ----------
+            if status in (401, 403):
+                # Normal bad credentials on the login endpoint
+                if path.endswith("/auth/login"):
+                    raise RuntimeError("Incorrect email or password.") from e
+                # Generic auth issue elsewhere (expired session, etc.)
+                raise RuntimeError("Authentication failed. Please sign in again.") from e
+            # -------------------------------------------
+
+            # keep a tiny body for other errors
             body = ""
             try:
                 body = e.response.text[:500]
             except Exception:
                 pass
-            if status in (401, 403):
-                raise RuntimeError(
-                    f"{method} {url} failed [{status}] – auth rejected. "
-                    f"Check BACKEND_TOKEN/HF_TOKEN and backend visibility."
-                ) from e
             raise RuntimeError(f"{method} {url} failed [{status}]: {body}") from e
-        except requests.RequestException as e:
+        except requests.RequestException:
             # try next prefix
             continue
     raise RuntimeError(f"No matching endpoint for {method} {path} with prefixes {list(_prefixes())}")
@@ -337,12 +343,12 @@ def chat_ai(query: str, lesson_id: int, level_slug: str, history=None) -> str:
         "history": history or [],
     }
     try:
-        # Force the full path without relying on _prefixes
-        url = f"{BACKEND}/chat"  # make sure BACKEND has no trailing slash
-        r = _session.post(url, json=payload, timeout=DEFAULT_TIMEOUT)
+        url = f"{BACKEND}/chat"
+        with requests.Session() as s:
+            s.headers.update(_session.headers)
+            r = s.post(url, json=payload, timeout=DEFAULT_TIMEOUT)  # no retry adapter
         r.raise_for_status()
-        d = r.json()
-        return d.get("answer", "")
+        return r.json().get("answer", "")
     except Exception as e:
         return f"(chat failed: {e})"