fix: use quoted "m3ta-home" namespace (consistent with repo name)

lib/mkHome.nix

@@ -90,7 +90,7 @@ in {
       ++ setImports;
 
     # Set the flake source root for asset path resolution
-    m3taHome.paths.srcRoot = selfPath;
+    "m3ta-home".paths.srcRoot = selfPath;
 
     assertions =
       [

modules/default.nix

@@ -13,7 +13,7 @@
 in {
   default = {
     imports = [
-      # Paths — must be first, provides m3taHome.paths.srcRoot
+      # Paths — must be first, provides "m3ta-home".paths.srcRoot
       ./paths.nix
 
       # Profiles
@@ -31,6 +31,6 @@ in {
     ];
 
     # Set the source root for asset path resolution
-    m3taHome.paths.srcRoot = selfPath;
+    "m3ta-home".paths.srcRoot = selfPath;
   };
 }

modules/paths.nix

@@ -2,9 +2,9 @@
 #
 # Relative paths with ../.. break in the Nix store during pure evaluation.
 # This module exposes the flake source root so other modules can reference
-# assets via config.m3taHome.paths.srcRoot.
+# assets via config."m3ta-home".paths.srcRoot.
 {lib, ...}: {
-  options.m3taHome.paths = {
+  options."m3ta-home".paths = {
     srcRoot = lib.mkOption {
       type = lib.types.path;
       description = "Root path of the m3ta-home flake source (set by flake.nix).";

profiles/contexts/desktop/theme/wallpapers.nix

@@ -12,7 +12,7 @@ in {
   config = mkIf cfg {
     xdg.configFile."hypr/wallpapers" = {
       # Use the flake source root for pure evaluation compatibility
-      source = "${config.m3taHome.paths.srcRoot}/assets/wallpapers";
+      source = "${config."m3ta-home".paths.srcRoot}/assets/wallpapers";
       recursive = true;
     };
   };