Add grascii length limit

search.py

@@ -11,6 +11,9 @@ from vision import run_vision
 from save_image import save_image
 
 
+MAX_GRASCII_LENGTH = 16
+
+
 @st.cache_data(show_spinner="Loading shorthand images")
 def load_images():
     ds = load_dataset(
@@ -43,7 +46,7 @@ def write_grascii_search():
         placeholder = st.empty()
         if search_by == "text":
             placeholder.text_input(
-                "Grascii", value=st.session_state["grascii"], key="grascii_text_box"
+                "Grascii", value=st.session_state["grascii"], key="grascii_text_box", max_chars=MAX_GRASCII_LENGTH
             )
         else:
             image_data = placeholder.file_uploader(
@@ -158,6 +161,10 @@ def write_grascii_search():
 
     grascii = st.session_state["grascii"]
 
+    if len(grascii) > MAX_GRASCII_LENGTH:
+        st.error(f"Grascii too long. Max: {MAX_GRASCII_LENGTH} characters")
+        return
+
     try:
         grascii_results = searcher.sorted_search(
             grascii=grascii,