feat(home): whitelist known dev directories for direnv (#338)

Auto-allow .envrc files under ~/Development/{heave,rc} and
~/Development/conductor/workspaces/{heave,rc} so direnv doesn't
require manual `direnv allow` each time.

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

Author: stackptr

home/programs/default.nix

@@ -1,4 +1,8 @@
-{pkgs, ...}: {
+{
+  pkgs,
+  config,
+  ...
+}: {
   imports = [
     ./aichat.nix
     ./starship.nix
@@ -14,6 +18,14 @@
         strict_env = true;
         hide_env_diff = true;
       };
+      whitelist = {
+        prefix = [
+          "${config.home.homeDirectory}/Development/heave"
+          "${config.home.homeDirectory}/Development/rc"
+          "${config.home.homeDirectory}/Development/conductor/workspaces/heave"
+          "${config.home.homeDirectory}/Development/conductor/workspaces/rc"
+        ];
+      };
     };
   };
 }