feat: security(CORS/API key), OpenAI-compatible endpoint, Paperless hook indexing; .env support

server/utils.py

@@ -0,0 +1,19 @@
+from __future__ import annotations
+
+from typing import List
+
+
+def chunk_text(text: str, max_chars: int = 1200, overlap: int = 200) -> List[str]:
+    chunks: List[str] = []
+    start = 0
+    n = len(text)
+    while start < n:
+        end = min(start + max_chars, n)
+        chunk = text[start:end].strip()
+        if chunk:
+            chunks.append(chunk)
+        if end == n:
+            break
+        start = max(0, end - overlap)
+    return chunks
+