diff --git a/hosts/common/users/m3tam3re.nix b/hosts/common/users/m3tam3re.nix
index 7f98d68..6e8c354 100644
--- a/hosts/common/users/m3tam3re.nix
+++ b/hosts/common/users/m3tam3re.nix
@@ -5,6 +5,11 @@
 #   2. Loads the m3ta-home profile system via mkHome
 #   3. Sets per-host feature flags based on a host profile mapping
 #   4. Imports per-host home.nix overrides (monitors, HW-specific config)
+#
+# To add a new host:
+#   1. Add entry to hostProfiles below
+#   2. Add feature flags in the hostFlags section
+#   3. Create hosts/<hostname>/home.nix if the host needs overrides (monitors, etc.)
 {
   config,
   pkgs,
@@ -15,8 +20,8 @@
 
   # ── Per-host profile mapping ──
   # Determines which m3ta-home context and sets each host gets.
-  # To add a new host: add an entry here + create hosts/<hostname>/home.nix if needed.
   hostProfiles = {
+    # ── Desktop hosts ──
     m3-ares = {
       context = "desktop";
       sets = ["coding" "gaming" "media"];
@@ -25,6 +30,11 @@
       context = "desktop";
       sets = ["coding" "gaming" "media"];
     };
+    m3-daedalus = {
+      context = "desktop";
+      sets = ["coding" "media"];
+    };
+    # ── Server hosts ──
     m3-atlas = {
       context = "server";
       sets = ["coding"];
@@ -43,12 +53,156 @@
     };
   };
 
-  profile = hostProfiles.${hostname} or {context = "server"; sets = [];};
+  profile = hostProfiles.${hostname} or {
+    context = "server";
+    sets = [];
+  };
   m3ta-lib = inputs.m3ta-home.lib;
 
   # Check if a per-host home.nix exists
   hostHomeFile = ./../../${hostname}/home.nix;
   hostHomeExists = builtins.pathExists hostHomeFile;
+
+  # ── Per-host feature flags ──
+  # These enable/disable specific m3ta-home modules per host.
+  hostFlags =
+    if hostname == "m3-ares" || hostname == "m3-kratos"
+    then {
+      # Full desktop workstation
+      base = {
+        shell = {
+          fish.enable = true;
+          nushell.enable = true;
+          starship.enable = true;
+        };
+        cliTools = {
+          fzf.enable = true;
+          nitch.enable = true;
+          television.enable = true;
+        };
+        secrets.enable = true;
+      };
+      desktop = {
+        wm = {
+          hyprland.enable = true;
+          rofi.enable = true;
+          wayland.enable = true;
+        };
+        apps = {
+          crypto.enable = true;
+          obsidian.enable = true;
+          office.enable = true;
+        };
+        theme = {
+          fonts.enable = true;
+          wallpapers.enable = true;
+        };
+      };
+      coding = {
+        editors = {
+          neovim.enable = true;
+          zed.enable = true;
+        };
+        lsp.enable = true;
+        packages.enable = true;
+        languages = {
+          python.enable = true;
+          javascript.enable = true;
+          rustToolchain.enable = true;
+          go.enable = true;
+          typescript.enable = true;
+        };
+      };
+      profiles.gaming = {
+        steam.enable = true;
+        gamescope.enable = true;
+      };
+      profiles.media = {
+        obs.enable = true;
+        ffmpeg.enable = true;
+        kdenlive.enable = true;
+        ytDlp.enable = true;
+      };
+    }
+    else if hostname == "m3-daedalus"
+    then {
+      # Portable laptop — desktop without gaming, no Hyprland
+      base = {
+        shell = {
+          fish.enable = true;
+          nushell.enable = true;
+          starship.enable = true;
+        };
+        cliTools = {
+          fzf.enable = true;
+          nitch.enable = true;
+          television.enable = true;
+        };
+        secrets.enable = true;
+      };
+      desktop = {
+        wm = {
+          hyprland.enable = false;
+          wayland.enable = false;
+        };
+        apps = {
+          crypto.enable = false;
+          obsidian.enable = true;
+          office.enable = false;
+        };
+        theme = {
+          fonts.enable = true;
+          wallpapers.enable = false;
+        };
+      };
+      coding = {
+        editors = {
+          neovim.enable = true;
+          zed.enable = true;
+        };
+        lsp.enable = true;
+        packages.enable = true;
+        languages = {
+          python.enable = true;
+          javascript.enable = true;
+          rustToolchain.enable = true;
+          go.enable = true;
+          typescript.enable = true;
+        };
+      };
+      profiles.media = {
+        ytDlp.enable = true;
+      };
+    }
+    else if hostname == "m3-atlas"
+    then {
+      # Primary server — coding capable
+      base = {
+        shell = {
+          nushell.enable = true;
+          starship.enable = true;
+        };
+        cliTools = {
+          fzf.enable = true;
+          nitch.enable = true;
+          zellij.enable = true;
+        };
+      };
+      coding.editors.neovim.enable = true;
+    }
+    else {
+      # m3-helios, m3-hermes, m3-aether — minimal server
+      base = {
+        shell = {
+          fish.enable = true;
+          starship.enable = true;
+        };
+        cliTools = {
+          fzf.enable = true;
+          nitch.enable = true;
+        };
+      };
+    };
 in {
   # ── NixOS user definition ──
   users.users.m3tam3re = {
@@ -86,104 +240,10 @@ in {
           identity = "private";
           inherit (profile) context sets;
         })
+        # Per-host feature flags
+        hostFlags
       ]
-      # Per-host feature flag overrides
-      ++ (
-        if hostname == "m3-ares" || hostname == "m3-kratos"
-        then [
-          # Desktop feature flags (both desktop hosts are identical)
-          {
-            base = {
-              shell = {
-                fish.enable = true;
-                nushell.enable = true;
-                starship.enable = true;
-              };
-              cliTools = {
-                fzf.enable = true;
-                nitch.enable = true;
-                television.enable = true;
-              };
-              secrets.enable = true;
-            };
-            desktop = {
-              wm = {
-                hyprland.enable = true;
-                rofi.enable = true;
-                wayland.enable = true;
-              };
-              apps = {
-                crypto.enable = true;
-                obsidian.enable = true;
-                office.enable = true;
-              };
-              theme = {
-                fonts.enable = true;
-                wallpapers.enable = true;
-              };
-            };
-            coding = {
-              editors = {
-                neovim.enable = true;
-                zed.enable = true;
-              };
-              lsp.enable = true;
-              packages.enable = true;
-              languages = {
-                python.enable = true;
-                javascript.enable = true;
-                rustToolchain.enable = true;
-                go.enable = true;
-                typescript.enable = true;
-              };
-            };
-            profiles.gaming = {
-              steam.enable = true;
-              gamescope.enable = true;
-            };
-            profiles.media = {
-              obs.enable = true;
-              ffmpeg.enable = true;
-              kdenlive.enable = true;
-              ytDlp.enable = true;
-            };
-          }
-        ]
-        else if hostname == "m3-atlas"
-        then [
-          {
-            base = {
-              shell = {
-                nushell.enable = true;
-                starship.enable = true;
-              };
-              cliTools = {
-                fzf.enable = true;
-                nitch.enable = true;
-                zellij.enable = true;
-              };
-            };
-            coding.editors.neovim.enable = true;
-          }
-        ]
-        else
-          # m3-helios, m3-hermes, m3-aether — minimal server
-          [
-            {
-              base = {
-                shell = {
-                  fish.enable = true;
-                  starship.enable = true;
-                };
-                cliTools = {
-                  fzf.enable = true;
-                  nitch.enable = true;
-                };
-              };
-            }
-          ]
-      )
-      # Per-host home.nix (Hyprland monitors, HW-specific overrides)
+      # Per-host home.nix (Hyprland monitors, XDG/MIME, HW-specific overrides)
       ++ (
         if hostHomeExists
         then [hostHomeFile]
diff --git a/hosts/m3-ares/home.nix b/hosts/m3-ares/home.nix
index be9df47..9bac583 100644
--- a/hosts/m3-ares/home.nix
+++ b/hosts/m3-ares/home.nix
@@ -1,36 +1,71 @@
 # hosts/m3-ares/home.nix — Host-specific home-manager overrides.
-# TUXEDO laptop: internal display + HDMI monitor.
-{config, lib, ...}:
+# TUXEDO laptop: eDP-1 + HDMI-A-1 external monitor.
+# Everything else (shell, editors, gaming, media, theme, etc.) comes from
+# m3ta-home via the profile mapping in hosts/common/users/m3tam3re.nix.
+{
+  config,
+  lib,
+  ...
+}:
 with lib; {
-  # ── Hyprland monitor layout ──
-  config = mkIf config.desktop.wm.hyprland.enable {
-    wayland.windowManager.hyprland = {
-      enable = true;
-      settings = {
-        exec-once = ["tuxedo-backlight"];
-        monitor = [
-          "eDP-1,preferred,0x0,1.25"
-          "HDMI-A-1,1920x1080@120,2560x0,1"
-        ];
-        workspace = [
-          "1, monitor:eDP-1, default:true"
-          "2, monitor:eDP-1"
-          "3, monitor:eDP-1"
-          "4, monitor:HDMI-A-1,"
-          "5, monitor:HDMI-A-1,border:false,rounding:false"
-          "6, monitor:HDMI-A-1"
-        ];
-        windowrule = [
-          "match:class dev.zed.Zed, workspace 1"
-          "match:class Msty, workspace 1"
-          "match:class ^(com.obsproject.Studio)$, workspace 2"
-          "match:class ^(brave-browser)$, workspace 4, opacity 1.0"
-          "match:class ^(vivaldi-stable)$, workspace 4, opacity 1.0"
-          "match:class ^steam_app_\\d+$, fullscreen on"
-          "match:class ^steam_app_\\d+$, workspace 5"
-          "match:class ^steam_app_\\d+$, idle_inhibit focus"
-        ];
+  config = mkMerge [
+    # ── XDG / MIME defaults ──
+    {
+      xdg = {
+        enable = true;
+        configFile."mimeapps.list".force = true;
+        mimeApps = {
+          enable = true;
+          associations.added = {
+            "application/zip" = ["org.gnome.FileRoller.desktop"];
+            "application/csv" = ["calc.desktop"];
+            "application/pdf" = ["vivaldi-stable.desktop"];
+            "x-scheme-handler/http" = ["vivaldi-stable.desktop"];
+            "x-scheme-handler/https" = ["vivaldi-stable.desktop"];
+          };
+          defaultApplications = {
+            "application/zip" = ["org.gnome.FileRoller.desktop"];
+            "application/csv" = ["calc.desktop"];
+            "application/pdf" = ["vivaldi-stable.desktop"];
+            "application/md" = ["dev.zed.Zed.desktop"];
+            "application/text" = ["dev.zed.Zed.desktop"];
+            "x-scheme-handler/http" = ["vivaldi-stable.desktop"];
+            "x-scheme-handler/https" = ["vivaldi-stable.desktop"];
+          };
+        };
       };
-    };
-  };
+    }
+
+    # ── Hyprland monitor layout ──
+    (mkIf config.desktop.wm.hyprland.enable {
+      wayland.windowManager.hyprland = {
+        enable = true;
+        settings = {
+          exec-once = ["tuxedo-backlight"];
+          monitor = [
+            "eDP-1,preferred,0x0,1.25"
+            "HDMI-A-1,1920x1080@120,2560x0,1"
+          ];
+          workspace = [
+            "1, monitor:eDP-1, default:true"
+            "2, monitor:eDP-1"
+            "3, monitor:eDP-1"
+            "4, monitor:HDMI-A-1"
+            "5, monitor:HDMI-A-1,border:false,rounding:false"
+            "6, monitor:HDMI-A-1"
+          ];
+          windowrule = [
+            "match:class dev.zed.Zed, workspace 1"
+            "match:class Msty, workspace 1"
+            "match:class ^(com.obsproject.Studio)$, workspace 2"
+            "match:class ^(brave-browser)$, workspace 4, opacity 1.0"
+            "match:class ^(vivaldi-stable)$, workspace 4, opacity 1.0"
+            "match:class ^steam_app_\\d+$, fullscreen on"
+            "match:class ^steam_app_\\d+$, workspace 5"
+            "match:class ^steam_app_\\d+$, idle_inhibit focus"
+          ];
+        };
+      };
+    })
+  ];
 }
diff --git a/hosts/m3-daedalus/home.nix b/hosts/m3-daedalus/home.nix
new file mode 100644
index 0000000..22d84bb
--- /dev/null
+++ b/hosts/m3-daedalus/home.nix
@@ -0,0 +1,37 @@
+# hosts/m3-daedalus/home.nix — Host-specific home-manager overrides.
+# Portable laptop: no Hyprland, no external monitors.
+# Everything else (shell, editors, media, theme, etc.) comes from
+# m3ta-home via the profile mapping in hosts/common/users/m3tam3re.nix.
+{
+  config,
+  lib,
+  ...
+}:
+with lib; {
+  config = {
+    # ── XDG / MIME defaults ──
+    xdg = {
+      enable = true;
+      configFile."mimeapps.list".force = true;
+      mimeApps = {
+        enable = true;
+        associations.added = {
+          "application/zip" = ["org.gnome.FileRoller.desktop"];
+          "application/csv" = ["calc.desktop"];
+          "application/pdf" = ["vivaldi-stable.desktop"];
+          "x-scheme-handler/http" = ["vivaldi-stable.desktop"];
+          "x-scheme-handler/https" = ["vivaldi-stable.desktop"];
+        };
+        defaultApplications = {
+          "application/zip" = ["org.gnome.FileRoller.desktop"];
+          "application/csv" = ["calc.desktop"];
+          "application/pdf" = ["vivaldi-stable.desktop"];
+          "application/md" = ["dev.zed.Zed.desktop"];
+          "application/text" = ["dev.zed.Zed.desktop"];
+          "x-scheme-handler/http" = ["vivaldi-stable.desktop"];
+          "x-scheme-handler/https" = ["vivaldi-stable.desktop"];
+        };
+      };
+    };
+  };
+}
diff --git a/hosts/m3-kratos/home.nix b/hosts/m3-kratos/home.nix
index d1acabb..d4f59a9 100644
--- a/hosts/m3-kratos/home.nix
+++ b/hosts/m3-kratos/home.nix
@@ -1,34 +1,69 @@
 # hosts/m3-kratos/home.nix — Host-specific home-manager overrides.
-# AMD desktop: dual 1440p monitors.
-{config, lib, ...}:
+# AMD desktop: dual 2560x1440@144 via DisplayPort.
+# Everything else (shell, editors, gaming, media, theme, etc.) comes from
+# m3ta-home via the profile mapping in hosts/common/users/m3tam3re.nix.
+{
+  config,
+  lib,
+  ...
+}:
 with lib; {
-  # ── Hyprland monitor layout ──
-  config = mkIf config.desktop.wm.hyprland.enable {
-    wayland.windowManager.hyprland = {
-      enable = true;
-      settings = {
-        monitor = [
-          "DP-1,2560x1440@144,0x0,1"
-          "DP-2,2560x1440@144,2560x0,1"
-        ];
-        workspace = [
-          "1, monitor:DP-1, default:true"
-          "2, monitor:DP-1"
-          "3, monitor:DP-1"
-          "4, monitor:DP-2"
-          "5, monitor:DP-2"
-          "6, monitor:DP-2"
-          "7, monitor:DP-2"
-        ];
-        windowrule = [
-          "match:class dev.zed.Zed, workspace 1"
-          "match:class Msty, workspace 1"
-          "match:class ^(com.obsproject.Studio)$, workspace 2"
-          "match:class ^(brave-browser)$, workspace 4, opacity 1.0"
-          "match:class ^(vivaldi-stable)$, workspace 4, opacity 1.0"
-          "match:class ^steam_app_\\d+$, idle_inhibit focus"
-        ];
+  config = mkMerge [
+    # ── XDG / MIME defaults ──
+    {
+      xdg = {
+        enable = true;
+        configFile."mimeapps.list".force = true;
+        mimeApps = {
+          enable = true;
+          associations.added = {
+            "application/zip" = ["org.gnome.FileRoller.desktop"];
+            "application/csv" = ["calc.desktop"];
+            "application/pdf" = ["vivaldi-stable.desktop"];
+            "x-scheme-handler/http" = ["vivaldi-stable.desktop"];
+            "x-scheme-handler/https" = ["vivaldi-stable.desktop"];
+          };
+          defaultApplications = {
+            "application/zip" = ["org.gnome.FileRoller.desktop"];
+            "application/csv" = ["calc.desktop"];
+            "application/pdf" = ["vivaldi-stable.desktop"];
+            "application/md" = ["dev.zed.Zed.desktop"];
+            "application/text" = ["dev.zed.Zed.desktop"];
+            "x-scheme-handler/http" = ["vivaldi-stable.desktop"];
+            "x-scheme-handler/https" = ["vivaldi-stable.desktop"];
+          };
+        };
       };
-    };
-  };
+    }
+
+    # ── Hyprland monitor layout ──
+    (mkIf config.desktop.wm.hyprland.enable {
+      wayland.windowManager.hyprland = {
+        enable = true;
+        settings = {
+          monitor = [
+            "DP-1,2560x1440@144,0x0,1"
+            "DP-2,2560x1440@144,2560x0,1"
+          ];
+          workspace = [
+            "1, monitor:DP-1, default:true"
+            "2, monitor:DP-1"
+            "3, monitor:DP-1"
+            "4, monitor:DP-2"
+            "5, monitor:DP-2"
+            "6, monitor:DP-2"
+            "7, monitor:DP-2"
+          ];
+          windowrule = [
+            "match:class dev.zed.Zed, workspace 1"
+            "match:class Msty, workspace 1"
+            "match:class ^(com.obsproject.Studio)$, workspace 2"
+            "match:class ^(brave-browser)$, workspace 4, opacity 1.0"
+            "match:class ^(vivaldi-stable)$, workspace 4, opacity 1.0"
+            "match:class ^steam_app_\\d+$, idle_inhibit focus"
+          ];
+        };
+      };
+    })
+  ];
 }