feat(w3m): add module with desktop entry + integrate into neomutt

- modules/web/w3m: enable/package options, desktop entry via kitty,
assertion
- modules/web/w3m: delegate to programs.w3m under the hood
- modules/web/w3m: default package to programs.w3m.finalPackage
- modules/desktop/xdg: add portal config with common.default = "*"
- neomutt/nix: use lib.getExe' config.web.w3m.package for w3m refs
- neomutt/assertions: add w3m dependency assertion
- users/arpit: enable web.w3m

1 files changed, 13 insertions, 0 deletions

diff --git a/modules/web/w3m/assertions.nix b/modules/web/w3m/assertions.nix
new file mode 100644
index 0000000..b5ae2be
--- /dev/null
+++ b/modules/web/w3m/assertions.nix
@@ -0,0 +1,13 @@
+# Assertions - Validates kitty is enabled for w3m desktop entry
+{ config, ... }:
+{
+  assertions = [
+    {
+      assertion = !config.web.w3m.enable || config.terminal.kitty.enable;
+      message = ''
+        web.w3m is enabled but terminal.kitty.enable is not.
+        w3m's desktop entry requires kitty as the terminal launcher. Please enable terminal.kitty.
+      '';
+    }
+  ];
+}