Update conversation_logic.py

conversation_logic.py

@@ -335,9 +335,36 @@ def _build_retrieval_query(
 ) -> str:
     parts: List[str] = []
 
-    base = (question_text or "").strip() or (raw_user_text or "").strip()
-    if base:
-        parts.append(base)
+    raw = (raw_user_text or "").strip()
+    question = (question_text or "").strip()
+
+    # Prefer the actual math content, not the conversational wrapper
+    if question:
+        parts.append(question)
+    elif raw:
+        lowered = raw.lower()
+
+        wrappers = [
+            "how do i solve",
+            "how to solve",
+            "solve",
+            "can you solve",
+            "walk me through",
+            "explain",
+            "help me solve",
+            "show me how to solve",
+        ]
+
+        cleaned = raw
+        for w in wrappers:
+            if lowered.startswith(w):
+                cleaned = raw[len(w):].strip(" :.-?")
+                break
+
+        if cleaned:
+            parts.append(cleaned)
+        else:
+            parts.append(raw)
 
     normalized_category = normalize_category(category)
     if normalized_category and normalized_category != "General":
@@ -352,17 +379,16 @@ def _build_retrieval_query(
     if intent in {"definition", "concept"}:
         parts.append("definition concept explanation")
     elif intent in {"walkthrough", "step_by_step", "method", "instruction"}:
-        parts.append("method steps worked example")
+        parts.append("equation solving method isolate variable worked example")
     elif intent == "hint":
-        parts.append("hint strategy first step")
+        parts.append("equation solving hint first step isolate variable")
     elif intent == "explain":
-        parts.append("explanation reasoning")
+        parts.append("equation solving explanation reasoning")
     elif not solved:
         parts.append("teaching explanation method")
 
     return " ".join(parts).strip()
 
-
 class ConversationEngine:
     def __init__(
         self,