api fix and script fe improv

backend/src/api/packet_scripting_api.py

@@ -493,11 +493,7 @@ async def upload_script(
     except ValueError as e:
         logger.warning("Invalid name provided: %s", name)
         raise HTTPException(status_code=400, detail=str(e))
-
-    if not script.filename.endswith(".py"):
-        logger.warning("Upload rejected: script not .py (name=%s original=%s)", name, script.filename)
-        raise HTTPException(status_code=400, detail="only .py scripts allowed")
-
+    
     spath = script_path_for(name)
     if os.path.exists(spath):
         logger.warning("Upload rejected: script with name already exists: %s", name)

frontend/src/components/PythonEditor.tsx

@@ -1,76 +1,111 @@
+// src/components/PythonEditor.tsx
 import Prism from 'prismjs';
 import 'prismjs/components/prism-python';
 import 'prismjs/themes/prism.css';
-import { useCallback, useMemo } from 'react';
-import Editor from 'react-simple-code-editor';
+import React, { useEffect, useMemo, useRef } from 'react';
 
-// Props for the editor
 export type PythonEditorProps = {
   value: string;
   onChange: (code: string) => void;
   readOnly?: boolean;
-  className?: string;
-  height?: string | number; // e.g. '200px' or 200
-  wrap?: boolean; // if true, long lines will wrap; default false (no wrap)
+  height?: string | number;
+  wrap?: boolean;
+  fontSize?: number;
+  tabSize?: number;
 };
 
+const DEFAULT_FONT =
+  '"JetBrains Mono", "Fira Code", "Source Code Pro", ui-monospace, SFMono-Regular, Menlo, Monaco, monospace';
+
 export default function PythonEditor({
   value,
   onChange,
   readOnly = false,
   height = 480,
-  className = '',
   wrap = false,
+  fontSize = 14,
+  tabSize = 4,
 }: PythonEditorProps) {
-  const highlight = useCallback((code: string) => {
-    try {
-      return Prism.highlight(code, Prism.languages.python, 'python');
-    } catch (e) {
-      return code;
+  const textareaRef = useRef<HTMLTextAreaElement | null>(null);
+  const preRef = useRef<HTMLPreElement | null>(null);
+
+  const h = typeof height === 'number' ? `${height}px` : height;
+
+  const lineHeight = Math.round(fontSize * 1.6);
+
+  // Highlight whenever value changes
+  useEffect(() => {
+    if (preRef.current) {
+      preRef.current.innerHTML = Prism.highlight(value, Prism.languages.python, 'python');
     }
-  }, []);
+  }, [value]);
 
-  // container style: fixed height + scrolling
-  const containerStyle = useMemo(() => {
-    const h = typeof height === 'number' ? `${height}px` : height;
-    return {
-      height: h,
-      maxHeight: h,
-      overflow: 'auto' as const, // enable scrolling
-      position: 'relative' as const,
-      borderRadius: 6,
-      border: '1px solid rgba(0,0,0,0.06)',
-      background: 'var(--code-bg, white)',
-    };
-  }, [height]);
+  // Scroll sync
+  const handleScroll = () => {
+    if (!textareaRef.current || !preRef.current) return;
+    preRef.current.scrollTop = textareaRef.current.scrollTop;
+    preRef.current.scrollLeft = textareaRef.current.scrollLeft;
+  };
 
-  // editor style: fill container and use monospace font
-  const editorStyle = useMemo(
+  const sharedStyle: React.CSSProperties = useMemo(
     () => ({
-      fontFamily: '"JetBrains Mono", "Fira Code", monospace',
-      fontSize: 14,
-      // make editor fill the container (pre/textarea inside will take up height)
-      minHeight: '100%',
-      boxSizing: 'border-box' as const,
+      fontFamily: DEFAULT_FONT,
+      fontSize: `${fontSize}px`,
+      lineHeight: `${lineHeight}px`,
+      tabSize,
+      whiteSpace: wrap ? 'pre-wrap' : 'pre',
+      wordBreak: 'break-word',
       padding: 12,
-      outline: 'none',
-      whiteSpace: wrap ? 'pre-wrap' : 'pre', // pre-wrap if wrap requested
-      wordBreak: 'break-word' as const,
+      boxSizing: 'border-box',
     }),
-    [wrap],
+    [fontSize, lineHeight, tabSize, wrap],
   );
 
   return (
-    <div className={`python-editor ${className}`} style={containerStyle}>
-      <Editor
+    <div
+      style={{
+        position: 'relative',
+        height: h,
+        borderRadius: 6,
+        border: '1px solid rgba(0,0,0,0.06)',
+        overflow: 'hidden',
+      }}
+    >
+      {/* Highlight layer */}
+      <pre
+        ref={preRef}
+        aria-hidden="true"
+        className="language-python"
+        style={{
+          ...sharedStyle,
+          margin: 0,
+          position: 'absolute',
+          inset: 0,
+          overflow: 'auto',
+          pointerEvents: 'none',
+        }}
+      />
+
+      {/* Editable layer */}
+      <textarea
+        ref={textareaRef}
         value={value}
-        onValueChange={(code) => onChange(code)}
-        highlight={highlight}
-        padding={0} // padding handled by editorStyle
-        preClassName="language-python"
-        textareaId="python-editor"
-        style={editorStyle}
         readOnly={readOnly}
+        onChange={(e) => onChange(e.target.value)}
+        onScroll={handleScroll}
+        spellCheck={false}
+        style={{
+          ...sharedStyle,
+          position: 'absolute',
+          inset: 0,
+          resize: 'none',
+          border: 'none',
+          outline: 'none',
+          background: 'transparent',
+          color: 'transparent', // hide textarea text
+          caretColor: 'black', // show caret
+          overflow: 'auto',
+        }}
       />
     </div>
   );