add more development packages

system/develop/packages.nix

@@ -22,6 +22,7 @@
 
     jwhois             # Internet whois client
     tcpdump            # Network packet analyzer
+    lftp               # FTP/HTTP file transfer client
 
     # === DATABASE TOOLS ===
     # Database management and querying
@@ -35,6 +36,12 @@
     hunspellDicts.de_DE       # German dictionary
     hunspellDicts.en_US-large # English US dictionary
 
+    # === C/C++ DEVELOPMENT ===
+    # LLVM toolchain and language server support
+
+    llvmPackages_20.libclang         # LLVM Clang library
+    llvmPackages_20.libclang.python  # Python bindings for libclang
+
     # === JAVA DEVELOPMENT ===
     # Java ecosystem tools and frameworks