Update src/authen/authentication.py

src/authen/authentication.py

@@ -48,9 +48,7 @@ def _ensure_email_unique_index(col):
 
 
 def login_or_create(email: str, password: str):
-    """
-    Returns (ok: bool, msg_or_uid: str)
-    """
+ 
     if not email or not password:
         return False, "Enter both email and password."
 
@@ -64,7 +62,6 @@ def login_or_create(email: str, password: str):
     if user:
         pwd = user.get("password")
 
-        # normal hashed password
         if isinstance(pwd, str):
             if not verify_password(password, pwd):
                 return False, "Invalid credentials."
@@ -73,8 +70,7 @@ def login_or_create(email: str, password: str):
                 {"$set": {"last_login": datetime.utcnow()}}
             )
             return True, email_norm
-
-        # legacy dict password
+        
         if isinstance(pwd, dict):
             if verify_legacy_password(password, pwd.get("salt"), pwd.get("hash")):
                 new_hash = hash_password(password)
@@ -87,7 +83,7 @@ def login_or_create(email: str, password: str):
 
         return False, "Password format invalid in DB."
 
-    # user not found
+    
     return False, "Invalid Credentials"
 
 
@@ -104,7 +100,6 @@ def login_gate() -> str:
     if st.session_state.get("uid"):
         return st.session_state["uid"]
 
-    # ✅ Optional slight vertical centering without creating a 'box'
     st.markdown(
         """
         <style>
@@ -121,7 +116,7 @@ def login_gate() -> str:
         with st.form("login_form", clear_on_submit=False):
             email = st.text_input("Email", key="login_email", placeholder="you@example.com")
             password = st.text_input("Password", type="password", key="login_pass")
-            submit = st.form_submit_button("Continue")  # ✅ removed width
+            submit = st.form_submit_button("Continue")  
 
         if submit:
             ok, msg = login_or_create(email, password)