docs: README - add niri

feat: niri - more settings

Justfile

@@ -108,19 +108,29 @@ up-nix:
 #
 ############################################################################
 
+# Deploy the nixosConfiguration by hostname match
+[linux]
+[group('homelab')]
+local mode="default":
+  #!/usr/bin/env nu
+  use {{utils_nu}} *;
+  nixos-switch (hostname) {{mode}}
+
+# Deploy the hyprland nixosConfiguration by hostname match
 [linux]
 [group('desktop')]
 hypr mode="default":
   #!/usr/bin/env nu
   use {{utils_nu}} *;
-  nixos-switch ai-hyprland {{mode}}
+  nixos-switch $"(hostname)-hyprland" {{mode}}
 
+# Deploy the niri nixosConfiguration by hostname match
 [linux]
 [group('desktop')]
-s-hypr mode="default":
+niri mode="default":
   #!/usr/bin/env nu
   use {{utils_nu}} *;
-  nixos-switch shoukei-hyprland {{mode}}
+  nixos-switch $"(hostname)-niri" {{mode}}
 
 ############################################################################
 #
@@ -141,23 +151,15 @@ darwin-rollback:
   use {{utils_nu}} *;
   darwin-rollback
 
-# Depoly to fern(macOS host)
+# Deploy the darwinConfiguration by hostname match
 [macos]
 [group('desktop')]
-fe mode="default": 
+local mode="default": 
   #!/usr/bin/env nu
   use {{utils_nu}} *;
-  darwin-build "fern" {{mode}};
+  darwin-build (hostname) {{mode}};
-  darwin-switch "fern" {{mode}}
+  darwin-switch (hostname) {{mode}}
 
-# Depoly to frieren(macOS host)
-[macos]
-[group('desktop')]
-fr mode="default": 
-  #!/usr/bin/env nu
-  use {{utils_nu}} *;
-  darwin-build "frieren" {{mode}};
-  darwin-switch "frieren" {{mode}}
 
 # Reset launchpad to force it to reindex Applications
 [macos]
@@ -178,13 +180,6 @@ reset-launchpad:
 col tag:
   colmena apply --on '@{{tag}}' --verbose --show-trace
 
-[linux]
-[group('homelab')]
-local name mode="default":
-  #!/usr/bin/env nu
-  use {{utils_nu}} *;
-  nixos-switch {{name}} {{mode}}
-
 # Build and upload a vm image
 [linux]
 [group('homelab')]
@@ -204,37 +199,16 @@ lab:
 shoryu:
   colmena apply --on '@kubevirt-shoryu' --verbose --show-trace
 
-[linux]
-[group('homelab')]
-shoryu-local mode="default":
-  #!/usr/bin/env nu
-  use {{utils_nu}} *; 
-  nixos-switch kubevirt-shoryu {{mode}}
-
 [linux]
 [group('homelab')]
 shushou:
   colmena apply --on '@kubevirt-shushou' --verbose --show-trace
 
-[linux]
-[group('homelab')]
-shushou-local mode="default":
-  #!/usr/bin/env nu
-  use {{utils_nu}} *; 
-  nixos-switch kubevirt-shushou {{mode}}
-
 [linux]
 [group('homelab')]
 youko:
   colmena apply --on '@kubevirt-youko' --verbose --show-trace
 
-[linux]
-[group('homelab')]
-youko-local mode="default":
-  #!/usr/bin/env nu
-  use {{utils_nu}} *; 
-  nixos-switch kubevirt-youko {{mode}}
-
 ############################################################################
 #
 # Commands for other Virtual Machines
@@ -256,37 +230,16 @@ upload-idols mode="default":
 aqua:
   colmena apply --on '@aqua' --verbose --show-trace
 
-[linux]
-[group('homelab')]
-aqua-local mode="default":
-  #!/usr/bin/env nu
-  use {{utils_nu}} *; 
-  nixos-switch aquamarine {{mode}}
-
 [linux]
 [group('homelab')]
 ruby:
   colmena apply --on '@ruby' --verbose --show-trace
 
-[linux]
-[group('homelab')]
-ruby-local mode="default":
-  #!/usr/bin/env nu
-  use {{utils_nu}} *; 
-  nixos-switch ruby {{mode}}
-
 [linux]
 [group('homelab')]
 kana:
   colmena apply --on '@kana' --verbose --show-trace
 
-[linux]
-[group('homelab')]
-kana-local mode="default":
-  #!/usr/bin/env nu
-  use {{utils_nu}} *; 
-  nixos-switch kana {{mode}}
-
 ############################################################################
 #
 # Kubernetes related commands

README.md

@@ -56,7 +56,7 @@ You don't have to go through the pain I've experienced again! Check out my
 
 |                             | NixOS(Wayland)                                                                                                      |
 | --------------------------- | ------------------------------------------------------------------------------------------------------------------- |
-| **Window Manager**          | [Hyprland][Hyprland]                                                                                                |
+| **Window Manager**          | [Hyprland][Hyprland] / [Niri][Niri]                                                                                 |
 | **Terminal Emulator**       | [Zellij][Zellij] + [Kitty][Kitty]                                                                                   |
 | **Bar**                     | [Waybar][Waybar]                                                                                                    |
 | **Application Launcher**    | [anyrun][anyrun]                                                                                                    |
@@ -116,7 +116,8 @@ For NixOS:
 sudo nixos-rebuild switch --flake .#ai-hyprland
 
 # deploy via `just`(a command runner with similar syntax to make) & Justfile
-just hypr  # deploy my pc with hyprland compositor
+# Deploy the hyprland nixosConfiguration by hostname match
+just hypr
 
 # or we can deploy with details
 just hypr debug
@@ -132,11 +133,11 @@ nix-shell -p just nushell
 # 3. comment home-manager's code in lib/macosSystem.nix to speed up the first deployment.
 # 4. comment out the proxy settings in scripts/darwin_set_proxy.py if the proxy is not ready yet.
 
-# deploy fern's configuration(Apple Silicon)
+# Deploy the darwinConfiguration by hostname match
-just fr
+just local
 
 # deploy with details
-just fr debug
+just local debug
 ```
 
 > [What y'all will need when Nix drives you to drink.](https://www.youtube.com/watch?v=Eni9PPPPBpg)
@@ -175,6 +176,7 @@ Other dotfiles that inspired me:
   - [1amSimp1e/dots](https://github.com/1amSimp1e/dots)
 
 [Hyprland]: https://github.com/hyprwm/Hyprland
+[Niri]: https://github.com/YaLTeR/niri
 [Kitty]: https://github.com/kovidgoyal/kitty
 [Nushell]: https://github.com/nushell/nushell
 [Starship]: https://github.com/starship/starship

flake.lock

@@ -33,11 +33,11 @@
         "systems": "systems_2"
       },
       "locked": {
-        "lastModified": 1748365336,
+        "lastModified": 1755411828,
-        "narHash": "sha256-pg0w4uOZI32dLASD6UbBezeQg5PwOa0GLv7rTwn3VxY=",
+        "narHash": "sha256-TJhktHx79CMN6dCvFMST9PECDS9zW5iWEDyiMleXUSo=",
         "owner": "Kirottu",
         "repo": "anyrun",
-        "rev": "25367153f225a59c5ce5746583e39a71ff052f09",
+        "rev": "0c3fa788227d29cf8b0184e553c83021bcebad7c",
         "type": "github"
       },
       "original": {
@@ -54,11 +54,11 @@
       },
       "locked": {
         "dir": "blender",
-        "lastModified": 1752701743,
+        "lastModified": 1754037902,
-        "narHash": "sha256-cQeX9PP5F7fgsuv0CrL16GtlU6MS0i9LLnkkITu8jA8=",
+        "narHash": "sha256-d9hAFy/R8o5UM/mrgCBm+xE8NbtgkXYPHLVza07xGgE=",
         "owner": "edolstra",
         "repo": "nix-warez",
-        "rev": "69acfebb3740542936f71775bcdf322dc328a655",
+        "rev": "e8b2b3214f07970e45ec3fc98d957b0507a3564a",
         "type": "github"
       },
       "original": {
@@ -75,11 +75,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1753702336,
+        "lastModified": 1755334713,
-        "narHash": "sha256-IVFUQV6egGQHnm+I183OT+4ct/ka1IWA5u/0A9I/YV4=",
+        "narHash": "sha256-Nxq+mi6aqEbJA4R7i4TLr68ANuIgnEo2aKzJKRYd11s=",
         "owner": "catppuccin",
         "repo": "nix",
-        "rev": "b32de96c3c5384c83b0f4d741ec58a7f97c9ab11",
+        "rev": "a2ef20ed6fb921073c2d1b1929447c3bd88f595e",
         "type": "github"
       },
       "original": {
@@ -196,11 +196,11 @@
     "flake-compat_4": {
       "flake": false,
       "locked": {
-        "lastModified": 1696426674,
+        "lastModified": 1747046372,
-        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
+        "narHash": "sha256-CIVLLkVgvHYbgI2UpXvIIBJ12HWgX+fjA8Xf8PUmqCY=",
         "owner": "edolstra",
         "repo": "flake-compat",
-        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
+        "rev": "9100a0f413b0c601e0533d1d94ffd501ce2e7885",
         "type": "github"
       },
       "original": {
@@ -256,11 +256,11 @@
         "nixpkgs-lib": "nixpkgs-lib"
       },
       "locked": {
-        "lastModified": 1753121425,
+        "lastModified": 1754487366,
-        "narHash": "sha256-TVcTNvOeWWk1DXljFxVRp+E0tzG1LhrVjOGGoMHuXio=",
+        "narHash": "sha256-pHYj8gUBapuUzKV/kN/tR3Zvqc7o6gdFB9XKXIp1SQ8=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "644e0fc48951a860279da645ba77fe4a6e814c5e",
+        "rev": "af66ad14b28a127c5c0f3bbb298218fc63528a18",
         "type": "github"
       },
       "original": {
@@ -277,11 +277,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1753121425,
+        "lastModified": 1754487366,
-        "narHash": "sha256-TVcTNvOeWWk1DXljFxVRp+E0tzG1LhrVjOGGoMHuXio=",
+        "narHash": "sha256-pHYj8gUBapuUzKV/kN/tR3Zvqc7o6gdFB9XKXIp1SQ8=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "644e0fc48951a860279da645ba77fe4a6e814c5e",
+        "rev": "af66ad14b28a127c5c0f3bbb298218fc63528a18",
         "type": "github"
       },
       "original": {
@@ -335,11 +335,11 @@
         "zon2nix": "zon2nix"
       },
       "locked": {
-        "lastModified": 1753722074,
+        "lastModified": 1755285323,
-        "narHash": "sha256-yGQ28k8iz2tGrj5oo/HBkn0ihWA5uUZ1ZErkMtegzTw=",
+        "narHash": "sha256-o+TmZKnch5D0IjhWD/rhVK9Ahqafz6oZ61NKDDocXMw=",
         "owner": "ghostty-org",
         "repo": "ghostty",
-        "rev": "92c1f4b0b9c6fde6d8f79109de71bf4e30831e86",
+        "rev": "11d56235f9e4a227b794a87a503785ef9f3349ed",
         "type": "github"
       },
       "original": {
@@ -465,11 +465,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1753807879,
+        "lastModified": 1755397986,
-        "narHash": "sha256-d8nxwjUxnRyLWc5G/CpGVsqcSU3ZolS/QYWm9L+/CG0=",
+        "narHash": "sha256-qwrF5laj6eE3Zht0wKYTmH6QzL7bdOyE2f6jd3WCO8g=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "25deca893974aae98c9be151fb47d6284c053470",
+        "rev": "8b4ac149687e8520187a66f05e9d4eafebf96522",
         "type": "github"
       },
       "original": {
@@ -539,6 +539,62 @@
         "url": "ssh://git@github.com/ryan4yin/nix-secrets.git"
       }
     },
+    "niri": {
+      "inputs": {
+        "niri-stable": "niri-stable",
+        "niri-unstable": "niri-unstable",
+        "nixpkgs": "nixpkgs_2",
+        "nixpkgs-stable": "nixpkgs-stable_2",
+        "xwayland-satellite-stable": "xwayland-satellite-stable",
+        "xwayland-satellite-unstable": "xwayland-satellite-unstable"
+      },
+      "locked": {
+        "lastModified": 1755424351,
+        "narHash": "sha256-xcorYLNdtLpb0wH5CPlUcpmYQUxeK95j1X855xQw+DY=",
+        "owner": "sodiboo",
+        "repo": "niri-flake",
+        "rev": "9aa137af01f05386e5bb5050e983750017007a66",
+        "type": "github"
+      },
+      "original": {
+        "owner": "sodiboo",
+        "repo": "niri-flake",
+        "type": "github"
+      }
+    },
+    "niri-stable": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1748151941,
+        "narHash": "sha256-z4viQZLgC2bIJ3VrzQnR+q2F3gAOEQpU1H5xHtX/2fs=",
+        "owner": "YaLTeR",
+        "repo": "niri",
+        "rev": "8ba57fcf25d2fc9565131684a839d58703f1dae7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "YaLTeR",
+        "ref": "v25.05.1",
+        "repo": "niri",
+        "type": "github"
+      }
+    },
+    "niri-unstable": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1755419373,
+        "narHash": "sha256-EFH3zbpyLYjEboNV2Lmkxf9joEuFCmeYX+MMLRPStpg=",
+        "owner": "YaLTeR",
+        "repo": "niri",
+        "rev": "a6febb86aa5af0df7bf2792ca027ef95a503d599",
+        "type": "github"
+      },
+      "original": {
+        "owner": "YaLTeR",
+        "repo": "niri",
+        "type": "github"
+      }
+    },
     "nix-darwin": {
       "inputs": {
         "nixpkgs": [
@@ -546,11 +602,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1751313918,
+        "lastModified": 1755275010,
-        "narHash": "sha256-HsJM3XLa43WpG+665aGEh8iS8AfEwOIQWk3Mke3e7nk=",
+        "narHash": "sha256-lEApCoWUEWh0Ifc3k1JdVjpMtFFXeL2gG1qvBnoRc2I=",
         "owner": "lnl7",
         "repo": "nix-darwin",
-        "rev": "e04a388232d9a6ba56967ce5b53a8a6f713cdfcf",
+        "rev": "7220b01d679e93ede8d7b25d6f392855b81dd475",
         "type": "github"
       },
       "original": {
@@ -567,11 +623,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1753582293,
+        "lastModified": 1755396822,
-        "narHash": "sha256-CimzlksXOfuPcLr4ye/s4hwZhHk98f0gnXB6Dq9RhZo=",
+        "narHash": "sha256-gID7ynpJuflQ/+ibrhYUWybiGPduNvvMJSk27oqfK24=",
         "owner": "fufexan",
         "repo": "nix-gaming",
-        "rev": "ceb9d44f09b0db02332873247a50210a486959ff",
+        "rev": "f2bf778502254d8852402a83ae346fd803095ccc",
         "type": "github"
       },
       "original": {
@@ -600,20 +656,21 @@
         "flake-compat": "flake-compat_3",
         "nixpkgs": [
           "nixpkgs"
-        ]
+        ],
+        "treefmt-nix": "treefmt-nix"
       },
       "locked": {
-        "lastModified": 1751622568,
+        "lastModified": 1755124568,
-        "narHash": "sha256-EE3NBsej517VRa1x+ylAghrvngftxf1KgfHlE9OYyXE=",
+        "narHash": "sha256-8fXTYruAwE6OiIz/99P5qknQYag7ZX985pNT+jhIIrU=",
         "owner": "nix-community",
         "repo": "nixos-apple-silicon",
-        "rev": "eba4b40c816e5aff8951ae231ac237e8aab8ec1d",
+        "rev": "2f873fc3ef373e59cd3a7dad4087685fc8ce02ca",
         "type": "github"
       },
       "original": {
         "owner": "nix-community",
+        "ref": "release-2025-08-10",
         "repo": "nixos-apple-silicon",
-        "rev": "eba4b40c816e5aff8951ae231ac237e8aab8ec1d",
         "type": "github"
       }
     },
@@ -647,11 +704,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1753324041,
+        "lastModified": 1755139484,
-        "narHash": "sha256-2JZ82g01Lo3f0SNP2WSDZ0ER1FnAN2WicULZkoEsRx0=",
+        "narHash": "sha256-gCMJp0indBuBXnog2C86aby5Pz268gUMZD0ORahulO8=",
         "owner": "nixpak",
         "repo": "nixpak",
-        "rev": "fedd4b59b7c8f18be508dee9d89985a8501982d0",
+        "rev": "ae70d05017be7e0aa6c1cf5f267fe6953eb027e6",
         "type": "github"
       },
       "original": {
@@ -675,11 +732,11 @@
     },
     "nixpkgs-darwin": {
       "locked": {
-        "lastModified": 1753722563,
+        "lastModified": 1755268003,
-        "narHash": "sha256-FK8iq76wlacriq3u0kFCehsRYTAqjA9nfprpiSWRWIc=",
+        "narHash": "sha256-nNaeJjo861wFR0tjHDyCnHs1rbRtrMgxAKMoig9Sj/w=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "648f70160c03151bc2121d179291337ad6bc564b",
+        "rev": "32f313e49e42f715491e1ea7b306a87c16fe0388",
         "type": "github"
       },
       "original": {
@@ -691,11 +748,11 @@
     },
     "nixpkgs-lib": {
       "locked": {
-        "lastModified": 1751159883,
+        "lastModified": 1753579242,
-        "narHash": "sha256-urW/Ylk9FIfvXfliA1ywh75yszAbiTEVgpPeinFyVZo=",
+        "narHash": "sha256-zvaMGVn14/Zz8hnp4VWT9xVnhc8vuL3TStRqwk22biA=",
         "owner": "nix-community",
         "repo": "nixpkgs.lib",
-        "rev": "14a40a1d7fb9afa4739275ac642ed7301a9ba1ab",
+        "rev": "0f36c44e01a6129be94e3ade315a5883f0228a6e",
         "type": "github"
       },
       "original": {
@@ -706,11 +763,11 @@
     },
     "nixpkgs-ollama": {
       "locked": {
-        "lastModified": 1753694789,
+        "lastModified": 1755186698,
-        "narHash": "sha256-cKgvtz6fKuK1Xr5LQW/zOUiAC0oSQoA9nOISB0pJZqM=",
+        "narHash": "sha256-wNO3+Ks2jZJ4nTHMuks+cxAiVBGNuEBXsT29Bz6HASo=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "dc9637876d0dcc8c9e5e22986b857632effeb727",
+        "rev": "fbcf476f790d8a217c3eab4e12033dc4a0f6d23c",
         "type": "github"
       },
       "original": {
@@ -738,11 +795,27 @@
     },
     "nixpkgs-stable_2": {
       "locked": {
-        "lastModified": 1753489912,
+        "lastModified": 1755274400,
-        "narHash": "sha256-uDCFHeXdRIgJpYmtcUxGEsZ+hYlLPBhR83fdU+vbC1s=",
+        "narHash": "sha256-rTInmnp/xYrfcMZyFMH3kc8oko5zYfxsowaLv1LVobY=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "ad7196ae55c295f53a7d1ec39e4a06d922f3b899",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-25.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-stable_3": {
+      "locked": {
+        "lastModified": 1755274400,
+        "narHash": "sha256-rTInmnp/xYrfcMZyFMH3kc8oko5zYfxsowaLv1LVobY=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "13e8d35b7d6028b7198f8186bc0347c6abaa2701",
+        "rev": "ad7196ae55c295f53a7d1ec39e4a06d922f3b899",
         "type": "github"
       },
       "original": {
@@ -754,11 +827,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1753694789,
+        "lastModified": 1755186698,
-        "narHash": "sha256-cKgvtz6fKuK1Xr5LQW/zOUiAC0oSQoA9nOISB0pJZqM=",
+        "narHash": "sha256-wNO3+Ks2jZJ4nTHMuks+cxAiVBGNuEBXsT29Bz6HASo=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "dc9637876d0dcc8c9e5e22986b857632effeb727",
+        "rev": "fbcf476f790d8a217c3eab4e12033dc4a0f6d23c",
         "type": "github"
       },
       "original": {
@@ -770,11 +843,27 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1753694789,
+        "lastModified": 1755186698,
-        "narHash": "sha256-cKgvtz6fKuK1Xr5LQW/zOUiAC0oSQoA9nOISB0pJZqM=",
+        "narHash": "sha256-wNO3+Ks2jZJ4nTHMuks+cxAiVBGNuEBXsT29Bz6HASo=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "fbcf476f790d8a217c3eab4e12033dc4a0f6d23c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_3": {
+      "locked": {
+        "lastModified": 1755186698,
+        "narHash": "sha256-wNO3+Ks2jZJ4nTHMuks+cxAiVBGNuEBXsT29Bz6HASo=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "dc9637876d0dcc8c9e5e22986b857632effeb727",
+        "rev": "fbcf476f790d8a217c3eab4e12033dc4a0f6d23c",
         "type": "github"
       },
       "original": {
@@ -850,11 +939,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1750779888,
+        "lastModified": 1754416808,
-        "narHash": "sha256-wibppH3g/E2lxU43ZQHC5yA/7kIKLGxVEnsnVK1BtRg=",
+        "narHash": "sha256-c6yg0EQ9xVESx6HGDOCMcyRSjaTpNJP10ef+6fRcofA=",
         "owner": "cachix",
         "repo": "git-hooks.nix",
-        "rev": "16ec914f6fb6f599ce988427d9d94efddf25fe6d",
+        "rev": "9c52372878df6911f9afc1e2a1391f55e4dfc864",
         "type": "github"
       },
       "original": {
@@ -918,15 +1007,16 @@
         "lanzaboote": "lanzaboote",
         "my-asahi-firmware": "my-asahi-firmware",
         "mysecrets": "mysecrets",
+        "niri": "niri",
         "nix-darwin": "nix-darwin",
         "nix-gaming": "nix-gaming",
         "nixos-apple-silicon": "nixos-apple-silicon",
         "nixos-generators": "nixos-generators",
         "nixpak": "nixpak",
-        "nixpkgs": "nixpkgs_2",
+        "nixpkgs": "nixpkgs_3",
         "nixpkgs-darwin": "nixpkgs-darwin",
         "nixpkgs-ollama": "nixpkgs-ollama",
-        "nixpkgs-stable": "nixpkgs-stable_2",
+        "nixpkgs-stable": "nixpkgs-stable_3",
         "nixpkgs-unstable": "nixpkgs-unstable",
         "nuenv": "nuenv",
         "nur-ryan4yin": "nur-ryan4yin",
@@ -1039,6 +1129,27 @@
         "type": "github"
       }
     },
+    "treefmt-nix": {
+      "inputs": {
+        "nixpkgs": [
+          "nixos-apple-silicon",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1754847726,
+        "narHash": "sha256-2vX8QjO5lRsDbNYvN9hVHXLU6oMl+V/PsmIiJREG4rE=",
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "rev": "7d81f6fb2e19bf84f1c65135d1060d829fae2408",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "type": "github"
+      }
+    },
     "wallpapers": {
       "flake": false,
       "locked": {
@@ -1055,6 +1166,39 @@
         "type": "github"
       }
     },
+    "xwayland-satellite-stable": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1748488455,
+        "narHash": "sha256-IiLr1alzKFIy5tGGpDlabQbe6LV1c9ABvkH6T5WmyRI=",
+        "owner": "Supreeeme",
+        "repo": "xwayland-satellite",
+        "rev": "3ba30b149f9eb2bbf42cf4758d2158ca8cceef73",
+        "type": "github"
+      },
+      "original": {
+        "owner": "Supreeeme",
+        "ref": "v0.6",
+        "repo": "xwayland-satellite",
+        "type": "github"
+      }
+    },
+    "xwayland-satellite-unstable": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1755219541,
+        "narHash": "sha256-yKV6xHaPbEbh5RPxAJnb9yTs1wypr7do86hFFGQm1w8=",
+        "owner": "Supreeeme",
+        "repo": "xwayland-satellite",
+        "rev": "5a184d435927c3423f0ad189ea2b490578450fb7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "Supreeeme",
+        "repo": "xwayland-satellite",
+        "type": "github"
+      }
+    },
     "zig": {
       "inputs": {
         "flake-compat": [

flake.nix

@@ -139,10 +139,12 @@
 
     nixos-apple-silicon = {
       # 2025-07-04
-      url = "github:nix-community/nixos-apple-silicon/eba4b40c816e5aff8951ae231ac237e8aab8ec1d";
+      url = "github:nix-community/nixos-apple-silicon/release-2025-08-10";
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
+    niri.url = "github:sodiboo/niri-flake";
+
     ########################  Some non-flake repositories  #########################################
 
     polybar-themes = {

home/base/tui/container.nix

@@ -18,6 +18,7 @@
     kubectl-tree # kubectl tree
     kubectl-node-shell # exec into node
     kubepug # kubernetes pre upgrade checker
+    kubectl-cnpg # cloudnative-pg's cli tool
 
     kubebuilder
     istioctl

home/linux/gui/base/desktop/conf/hypridle.conf

@@ -1,4 +1,3 @@
-
 general {
     lock_cmd = pidof swaylock || swaylock              # avoid starting multiple instances
     before_sleep_cmd = loginctl lock-session          # lock before suspend
@@ -6,12 +5,13 @@ general {
     ignore_dbus_inhibit = false                       # whether to ignore dbus-sent idle-inhibit requests
 }
 
-# turn off keyboard backlight, comment out this section if you dont have a keyboard backlight.
+listener { 
-# listener { 
+    timeout = 180                                                      # 3 minutes
-#     timeout = 180                                          # 3 minutes
+    # List devices: brightnessctl --list
-#     on-timeout = brightnessctl -sd rgb:kbd_backlight set 0 # turn off keyboard backlight.
+    # Adjust keyboard backlight: brightnessctl -d kbd_backlight set 50%
-#     on-resume = brightnessctl -rd rgb:kbd_backlight        # turn on keyboard backlight.
+    on-timeout = brightnessctl --save --device=kbd_backlight set 0     # turn off keyboard backlight.
-# }
+    on-resume = brightnessctl --restore --device=kbd_backlight         # turn on keyboard backlight.
+}
 
 # listener {
 #     timeout = 600                                # 10min.
@@ -20,13 +20,13 @@ general {
 # }
 
 listener {
-    timeout = 1200                                     # 20 minutes
+    timeout = 1600                                     # 20 minutes
     on-timeout = pidof swaylock || swaylock           # lock screen
     on-resume = hyprctl dispatch dpms on              # monitor wake up
 }
 
 listener {
-    timeout = 1260                                             # 21 minutes
+    timeout = 1660                                             # 31 minutes
     on-timeout = hyprctl dispatch dpms off                     # screen off
     on-resume = hyprctl dispatch dpms on && brightnessctl -r   # monitor wake up & screen on
 }

home/linux/gui/base/desktop/default.nix

@@ -0,0 +1,73 @@
+{
+  config,
+  pkgs,
+  ...
+}:
+{
+  imports = [
+    ./anyrun.nix
+    ./nvidia.nix
+  ];
+
+  # wayland related
+  home.sessionVariables = {
+    "NIXOS_OZONE_WL" = "1"; # for any ozone-based browser & electron apps to run on wayland
+    "MOZ_ENABLE_WAYLAND" = "1"; # for firefox to run on wayland
+    "MOZ_WEBRENDER" = "1";
+    # enable native Wayland support for most Electron apps
+    "ELECTRON_OZONE_PLATFORM_HINT" = "auto";
+    # misc
+    "_JAVA_AWT_WM_NONREPARENTING" = "1";
+    "QT_WAYLAND_DISABLE_WINDOWDECORATION" = "1";
+    "QT_QPA_PLATFORM" = "wayland";
+    "SDL_VIDEODRIVER" = "wayland";
+    "GDK_BACKEND" = "wayland";
+    "XDG_SESSION_TYPE" = "wayland";
+  };
+
+  home.packages = with pkgs; [
+    swaybg # the wallpaper
+    wl-clipboard # copying and pasting
+    hyprpicker # color picker
+    brightnessctl
+    hyprshot # screen shot
+    wf-recorder # screen recording
+    # audio
+    alsa-utils # provides amixer/alsamixer/...
+    networkmanagerapplet # provide GUI app: nm-connection-editor
+  ];
+
+  xdg.configFile =
+    let
+      mkSymlink = config.lib.file.mkOutOfStoreSymlink;
+      confPath = "${config.home.homeDirectory}/nix-config/home/linux/gui/base/desktop/conf";
+    in
+    {
+      "mako".source = mkSymlink "${confPath}/mako";
+      "waybar".source = mkSymlink "${confPath}/waybar";
+      "wlogout".source = mkSymlink "${confPath}/wlogout";
+      "hypr/hypridle.conf".source = mkSymlink "${confPath}/hypridle.conf";
+    };
+
+  # status bar
+  programs.waybar = {
+    enable = true;
+    systemd.enable = true;
+  };
+  # Disable catppuccin to avoid conflict with my non-nix config.
+  catppuccin.waybar.enable = false;
+
+  # screen locker
+  programs.swaylock.enable = true;
+
+  # Logout Menu
+  programs.wlogout.enable = true;
+  catppuccin.wlogout.enable = false;
+
+  # Hyprland idle daemon
+  services.hypridle.enable = true;
+
+  # notification daemon, the same as dunst
+  services.mako.enable = true;
+  catppuccin.mako.enable = false;
+}

home/linux/gui/base/desktop/nvidia.nix

@@ -0,0 +1,26 @@
+{
+  config,
+  lib,
+  ...
+}:
+with lib;
+let
+  cfg = config.modules.desktop.nvidia;
+in
+{
+  options.modules.desktop.nvidia = {
+    enable = mkEnableOption "whether nvidia GPU is used";
+  };
+
+  config = mkIf (cfg.enable && cfg.enable) {
+    home.sessionVariables = {
+      # for hyprland with nvidia gpu" = " ref https://wiki.hyprland.org/Nvidia/
+      "LIBVA_DRIVER_NAME" = "nvidia";
+      "__GLX_VENDOR_LIBRARY_NAME" = "nvidia";
+      # VA-API hardware video acceleration
+      "NVD_BACKEND" = "direct";
+
+      "GBM_BACKEND" = "nvidia-drm";
+    };
+  };
+}

home/linux/gui/base/gtk.nix

@@ -38,10 +38,5 @@
     };
 
     gtk2.configLocation = "${config.xdg.configHome}/gtk-2.0/gtkrc";
-
-    iconTheme = {
-      name = "Papirus-Dark";
-      package = pkgs.papirus-icon-theme;
-    };
   };
 }

home/linux/gui/hyprland/conf/keybindings.conf

@@ -40,7 +40,6 @@ bind  =  ,    XF86AudioPlay,          exec,        playerctl play-pause
 bind  =  ,    XF86AudioNext,          exec,        playerctl next
 bind  =  ,    XF86AudioPrev,          exec,        playerctl previous
 bind  =  ,    XF86Search,             exec,        anyrun
-bind  =  ,    XF86PowerOff,           exec,        shutdown -h now
 
 # WORKSPACES
 # ============================================================================

home/linux/gui/hyprland/default.nix

@@ -2,21 +2,14 @@
   pkgs,
   config,
   lib,
-  anyrun,
   ...
 }@args:
-with lib;
 let
   cfg = config.modules.desktop.hyprland;
 in
 {
-  imports = [
-    # anyrun.homeManagerModules.default # the module is already in hm now.
-    ./options
-  ];
-
   options.modules.desktop.hyprland = {
-    enable = mkEnableOption "hyprland compositor";
+    enable = lib.mkEnableOption "hyprland compositor";
     settings = lib.mkOption {
       type =
         with lib.types;
@@ -40,14 +33,13 @@ in
     };
   };
 
-  config = mkIf cfg.enable (
+  config = lib.mkIf cfg.enable (
-    mkMerge (
+    lib.mkMerge [
-      [
+      {
-        {
+        wayland.windowManager.hyprland.settings = cfg.settings;
-          wayland.windowManager.hyprland.settings = cfg.settings;
+      }
-        }
+      (import ./hyprland.nix args)
-      ]
+      (import ./xdg.nix args)
-      ++ (import ./values args)
+    ]
-    )
   );
 }

home/linux/gui/hyprland/hyprland.nix

@@ -1,6 +1,5 @@
 {
   pkgs,
-  pkgs-stable,
   config,
   ...
 }:
@@ -11,38 +10,12 @@ in
   xdg.configFile =
     let
       mkSymlink = config.lib.file.mkOutOfStoreSymlink;
-      hyprPath = "${config.home.homeDirectory}/nix-config/home/linux/gui/hyprland/conf";
+      confPath = "${config.home.homeDirectory}/nix-config/home/linux/gui/hyprland/conf";
     in
     {
-      "mako".source = mkSymlink "${hyprPath}/mako";
+      "hypr/configs".source = mkSymlink confPath;
-      "waybar".source = mkSymlink "${hyprPath}/waybar";
-      "wlogout".source = mkSymlink "${hyprPath}/wlogout";
-      "hypr/hypridle.conf".source = mkSymlink "${hyprPath}/hypridle.conf";
-      "hypr/configs".source = mkSymlink "${hyprPath}/configs";
     };
 
-  # status bar
-  programs.waybar = {
-    enable = true;
-    systemd.enable = true;
-  };
-  # Disable catppuccin to avoid conflict with my non-nix config.
-  catppuccin.waybar.enable = false;
-
-  # screen locker
-  programs.swaylock.enable = true;
-
-  # Logout Menu
-  programs.wlogout.enable = true;
-  catppuccin.wlogout.enable = false;
-
-  # Hyprland idle daemon
-  services.hypridle.enable = true;
-
-  # notification daemon, the same as dunst
-  services.mako.enable = true;
-  catppuccin.mako.enable = false;
-
   # NOTE:
   # We have to enable hyprland/i3's systemd user service in home-manager,
   # so that gammastep/wallpaper-switcher's user service can be start correctly!
@@ -63,16 +36,7 @@ in
           "${configPath}/windowrules.conf"
         ];
       env = [
-        "NIXOS_OZONE_WL,1" # for any ozone-based browser & electron apps to run on wayland
+
-        "MOZ_ENABLE_WAYLAND,1" # for firefox to run on wayland
-        "MOZ_WEBRENDER,1"
-        # misc
-        "_JAVA_AWT_WM_NONREPARENTING,1"
-        "QT_WAYLAND_DISABLE_WINDOWDECORATION,1"
-        "QT_QPA_PLATFORM,wayland"
-        "SDL_VIDEODRIVER,wayland"
-        "GDK_BACKEND,wayland"
-        "XDG_SESSION_TYPE,wayland"
       ];
     };
     # gammastep/wallpaper-switcher need this to be enabled.

home/linux/gui/hyprland/options/default.nix

@@ -1,4 +0,0 @@
-{ mylib, ... }:
-{
-  imports = mylib.scanPaths ./.;
-}

home/linux/gui/hyprland/options/nvidia.nix

@@ -1,28 +0,0 @@
-{
-  config,
-  lib,
-  ...
-}:
-with lib;
-let
-  cfg = config.modules.desktop.hyprland;
-in
-{
-  options.modules.desktop.hyprland = {
-    nvidia = mkEnableOption "whether nvidia GPU is used";
-  };
-
-  config = mkIf (cfg.enable && cfg.nvidia) {
-    wayland.windowManager.hyprland.settings.env = [
-      # for hyprland with nvidia gpu, ref https://wiki.hyprland.org/Nvidia/
-      "LIBVA_DRIVER_NAME,nvidia"
-      "__GLX_VENDOR_LIBRARY_NAME,nvidia"
-      # enable native Wayland support for most Electron apps
-      "ELECTRON_OZONE_PLATFORM_HINT,auto"
-      # VA-API hardware video acceleration
-      "NVD_BACKEND,direct"
-
-      "GBM_BACKEND,nvidia-drm"
-    ];
-  };
-}

home/linux/gui/hyprland/values/default.nix

@@ -1 +0,0 @@
-{ mylib, ... }@args: map (path: import path args) (mylib.scanPaths ./.)

home/linux/gui/hyprland/values/packages.nix

@@ -1,20 +0,0 @@
-{
-  pkgs,
-  ...
-}:
-{
-
-  home.packages = with pkgs; [
-    swaybg # the wallpaper
-    wl-clipboard # copying and pasting
-    hyprpicker # color picker
-    brightnessctl
-
-    hyprshot # screen shot
-    wf-recorder # screen recording
-
-    # audio
-    alsa-utils # provides amixer/alsamixer/...
-    networkmanagerapplet # provide GUI app: nm-connection-editor
-  ];
-}

home/linux/gui/niri/default.nix

@@ -0,0 +1,59 @@
+{
+  pkgs,
+  config,
+  lib,
+  niri,
+  ...
+}@args:
+let
+  cfg = config.modules.desktop.niri;
+in
+{
+  options.modules.desktop.niri = {
+    enable = lib.mkEnableOption "niri compositor";
+    settings = lib.mkOption {
+      type =
+        with lib.types;
+        let
+          valueType =
+            nullOr (oneOf [
+              bool
+              int
+              float
+              str
+              path
+              (attrsOf valueType)
+              (listOf valueType)
+            ])
+            // {
+              description = "niri configuration value";
+            };
+        in
+        valueType;
+      default = { };
+    };
+  };
+
+  config = lib.mkIf cfg.enable (
+    lib.mkMerge [
+      {
+        # NOTE: this executable is used by greetd to start a wayland session when system boot up
+        # with such a vendor-no-locking script, we can switch to another wayland compositor without modifying greetd's config in NixOS module
+        home.file.".wayland-session" = {
+          source = pkgs.writeScript "init-session" ''
+            # trying to stop a previous niri session
+            systemctl --user is-active niri.service && systemctl --user stop niri.service
+            # and then we start a new one
+            /run/current-system/sw/bin/niri-session
+          '';
+          executable = true;
+        };
+      }
+      (import ./settings.nix niri)
+      (import ./keybindings.nix niri)
+      (import ./spawn-at-startup.nix niri)
+      (import ./windowrules.nix niri)
+    ]
+  );
+
+}

home/linux/gui/niri/keybindings.nix

@@ -0,0 +1,214 @@
+niri: {
+  programs.niri.config =
+    let
+      inherit (niri.lib.kdl)
+        node
+        plain
+        leaf
+        flag
+        ;
+    in
+    [
+      (plain "binds" [
+        # Keys consist of modifiers separated by + signs, followed by an XKB key name
+        # in the end. To find an XKB name for a particular key, you may use a program
+        # like wev.
+        #
+        # "Mod" is a special modifier equal to Super when running on a TTY, and to Alt
+        # when running as a winit window.
+        #
+        # Most actions that you can bind here can also be invoked programmatically with
+        # `niri msg action do-something`.
+
+        # Mod-Shift-/, which is usually the same as Mod-?,
+        # shows a list of important hotkeys.
+        (plain "Mod+Shift+Slash" [ (flag "show-hotkey-overlay") ])
+
+        # Suggested binds for running programs: terminal, app launcher, screen locker.
+        (plain "Mod+Return" [ (leaf "spawn" [ "foot" ]) ])
+        (plain "Mod+Shift+Return" [ (leaf "spawn" [ "alacritty" ]) ])
+        (plain "Mod+D" [ (leaf "spawn" [ "anyrun" ]) ])
+        (plain "CTRL+Alt+L" [ (leaf "spawn" [ "swaylock" ]) ])
+
+        # You can also use a shell:
+        # (plain "Mod+T" [(leaf "spawn" [ "bash" "-c" "notify-send hello && exec alacritty" ])])
+
+        # Example volume keys mappings for PipeWire & WirePlumber.
+        (plain "XF86AudioRaiseVolume" [
+          (leaf "spawn" [
+            "wpctl"
+            "set-volume"
+            "@DEFAULT_AUDIO_SINK@"
+            "0.1+"
+          ])
+        ])
+        (plain "XF86AudioLowerVolume" [
+          (leaf "spawn" [
+            "wpctl"
+            "set-volume"
+            "@DEFAULT_AUDIO_SINK@"
+            "0.1-"
+          ])
+        ])
+
+        (plain "Mod+Q" [ (flag "close-window") ])
+
+        (plain "Mod+Left" [ (flag "focus-column-left") ])
+        (plain "Mod+Down" [ (flag "focus-window-down") ])
+        (plain "Mod+Up" [ (flag "focus-window-up") ])
+        (plain "Mod+Right" [ (flag "focus-column-right") ])
+        (plain "Mod+H" [ (flag "focus-column-left") ])
+        (plain "Mod+J" [ (flag "focus-window-down") ])
+        (plain "Mod+K" [ (flag "focus-window-up") ])
+        (plain "Mod+L" [ (flag "focus-column-right") ])
+
+        (plain "Mod+Ctrl+Left" [ (flag "move-column-left") ])
+        (plain "Mod+Ctrl+Down" [ (flag "move-window-down") ])
+        (plain "Mod+Ctrl+Up" [ (flag "move-window-up") ])
+        (plain "Mod+Ctrl+Right" [ (flag "move-column-right") ])
+        (plain "Mod+Ctrl+H" [ (flag "move-column-left") ])
+        (plain "Mod+Ctrl+J" [ (flag "move-window-down") ])
+        (plain "Mod+Ctrl+K" [ (flag "move-window-up") ])
+        (plain "Mod+Ctrl+L" [ (flag "move-column-right") ])
+
+        # Alternative commands that move across workspaces when reaching
+        # the first or last window in a column.
+        # (plain "Mod+J"      [(flag "focus-window-or-workspace-down")])
+        # (plain "Mod+K"      [(flag "focus-window-or-workspace-up")])
+        # (plain "Mod+Ctrl+J" [(flag "move-window-down-or-to-workspace-down")])
+        # (plain "Mod+Ctrl+K" [(flag "move-window-up-or-to-workspace-up")])
+
+        (plain "Mod+Home" [ (flag "focus-column-first") ])
+        (plain "Mod+End" [ (flag "focus-column-last") ])
+        (plain "Mod+Ctrl+Home" [ (flag "move-column-to-first") ])
+        (plain "Mod+Ctrl+End" [ (flag "move-column-to-last") ])
+
+        (plain "Mod+Shift+Left" [ (flag "focus-monitor-left") ])
+        (plain "Mod+Shift+Down" [ (flag "focus-monitor-down") ])
+        (plain "Mod+Shift+Up" [ (flag "focus-monitor-up") ])
+        (plain "Mod+Shift+Right" [ (flag "focus-monitor-right") ])
+        (plain "Mod+Shift+H" [ (flag "focus-monitor-left") ])
+        (plain "Mod+Shift+J" [ (flag "focus-monitor-down") ])
+        (plain "Mod+Shift+K" [ (flag "focus-monitor-up") ])
+        (plain "Mod+Shift+L" [ (flag "focus-monitor-right") ])
+
+        (plain "Mod+Shift+Ctrl+Left" [ (flag "move-column-to-monitor-left") ])
+        (plain "Mod+Shift+Ctrl+Down" [ (flag "move-column-to-monitor-down") ])
+        (plain "Mod+Shift+Ctrl+Up" [ (flag "move-column-to-monitor-up") ])
+        (plain "Mod+Shift+Ctrl+Right" [ (flag "move-column-to-monitor-right") ])
+        (plain "Mod+Shift+Ctrl+H" [ (flag "move-column-to-monitor-left") ])
+        (plain "Mod+Shift+Ctrl+J" [ (flag "move-column-to-monitor-down") ])
+        (plain "Mod+Shift+Ctrl+K" [ (flag "move-column-to-monitor-up") ])
+        (plain "Mod+Shift+Ctrl+L" [ (flag "move-column-to-monitor-right") ])
+
+        # Alternatively, there are commands to move just a single window:
+        # (plain "Mod+Shift+Ctrl+Left" [(flag "move-window-to-monitor-left")])
+        # ...
+
+        # And you can also move a whole workspace to another monitor:
+        # (plain "Mod+Shift+Ctrl+Left" [(flag "move-workspace-to-monitor-left")])
+        # ...
+
+        (plain "Mod+Page_Down" [ (flag "focus-workspace-down") ])
+        (plain "Mod+Page_Up" [ (flag "focus-workspace-up") ])
+        (plain "Mod+U" [ (flag "focus-workspace-down") ])
+        (plain "Mod+I" [ (flag "focus-workspace-up") ])
+        (plain "Mod+Ctrl+Page_Down" [ (flag "move-column-to-workspace-down") ])
+        (plain "Mod+Ctrl+Page_Up" [ (flag "move-column-to-workspace-up") ])
+        (plain "Mod+Ctrl+U" [ (flag "move-column-to-workspace-down") ])
+        (plain "Mod+Ctrl+I" [ (flag "move-column-to-workspace-up") ])
+
+        # Alternatively, there are commands to move just a single window:
+        # (plain "Mod+Ctrl+Page_Down" [(flag "move-window-to-workspace-down")])
+        # ...
+
+        (plain "Mod+Shift+Page_Down" [ (flag "move-workspace-down") ])
+        (plain "Mod+Shift+Page_Up" [ (flag "move-workspace-up") ])
+        (plain "Mod+Shift+U" [ (flag "move-workspace-down") ])
+        (plain "Mod+Shift+I" [ (flag "move-workspace-up") ])
+
+        # You can refer to workspaces by index. However, keep in mind that
+        # niri is a dynamic workspace system, so these commands are kind of
+        # "best effort". Trying to refer to a workspace index bigger than
+        # the current workspace count will instead refer to the bottommost
+        # (empty) workspace.
+        #
+        # For example, with 2 workspaces + 1 empty, indices 3, 4, 5 and so on
+        # will all refer to the 3rd workspace.
+        (plain "Mod+1" [ (leaf "focus-workspace" "1terminal") ])
+        (plain "Mod+2" [ (leaf "focus-workspace" "2browser") ])
+        (plain "Mod+3" [ (leaf "focus-workspace" "3chat") ])
+        (plain "Mod+4" [ (leaf "focus-workspace" "4music") ])
+        (plain "Mod+5" [ (leaf "focus-workspace" "5mail") ])
+        (plain "Mod+6" [ (leaf "focus-workspace" "6file") ])
+        (plain "Mod+7" [ (leaf "focus-workspace" 7) ])
+        (plain "Mod+8" [ (leaf "focus-workspace" 8) ])
+        (plain "Mod+9" [ (leaf "focus-workspace" 9) ])
+        (plain "Mod+0" [ (leaf "focus-workspace" "0other") ])
+        (plain "Mod+Ctrl+1" [ (leaf "move-column-to-workspace" "1terminal") ])
+        (plain "Mod+Ctrl+2" [ (leaf "move-column-to-workspace" "2browser") ])
+        (plain "Mod+Ctrl+3" [ (leaf "move-column-to-workspace" "3chat") ])
+        (plain "Mod+Ctrl+4" [ (leaf "move-column-to-workspace" "4music") ])
+        (plain "Mod+Ctrl+5" [ (leaf "move-column-to-workspace" "5mail") ])
+        (plain "Mod+Ctrl+6" [ (leaf "move-column-to-workspace" "6file") ])
+        (plain "Mod+Ctrl+7" [ (leaf "move-column-to-workspace" 7) ])
+        (plain "Mod+Ctrl+8" [ (leaf "move-column-to-workspace" 8) ])
+        (plain "Mod+Ctrl+9" [ (leaf "move-column-to-workspace" 9) ])
+        (plain "Mod+Ctrl+0" [ (leaf "move-column-to-workspace" "0other") ])
+
+        # Alternatively, there are commands to move just a single window:
+        # (plain "Mod+Ctrl+1" [(leaf "move-window-to-workspace" 1)])
+
+        (plain "Mod+Comma" [ (flag "consume-window-into-column") ])
+        (plain "Mod+Period" [ (flag "expel-window-from-column") ])
+
+        # There are also commands that consume or expel a single window to the side.
+        # (plain "Mod+BracketLeft"  [(flag "consume-or-expel-window-left")])
+        # (plain "Mod+BracketRight" [(flag "consume-or-expel-window-right")])
+
+        (plain "Mod+R" [ (flag "switch-preset-column-width") ])
+        (plain "Mod+F" [ (flag "maximize-column") ])
+        (plain "Mod+Shift+F" [ (flag "fullscreen-window") ])
+        (plain "Mod+C" [ (flag "center-column") ])
+
+        # Finer width adjustments.
+        # This command can also:
+        # * set width in pixels: "1000"
+        # * adjust width in pixels: "-5" or "+5"
+        # * set width as a percentage of screen width: "25%"
+        # * adjust width as a percentage of screen width: "-10%" or "+10%"
+        # Pixel sizes use logical, or scaled, pixels. I.e. on an output with scale 2.0,
+        # (leaf "set-column-width" "100") will make the column occupy 200 physical screen pixels.
+        (plain "Mod+Minus" [ (leaf "set-column-width" "-10%") ])
+        (plain "Mod+Equal" [ (leaf "set-column-width" "+10%") ])
+
+        # Finer height adjustments when in column with other windows.
+        (plain "Mod+Shift+Minus" [ (leaf "set-window-height" "-10%") ])
+        (plain "Mod+Shift+Equal" [ (leaf "set-window-height" "+10%") ])
+
+        # Actions to switch layouts.
+        # Note: if you uncomment these, make sure you do NOT have
+        # a matching layout switch hotkey configured in xkb options above.
+        # Having both at once on the same hotkey will break the switching,
+        # since it will switch twice upon pressing the hotkey (once by xkb, once by niri).
+        # (plain "Mod+Space"       [(leaf "switch-layout" "next")])
+        # (plain "Mod+Shift+Space" [(leaf "switch-layout" "prev")])
+
+        (plain "Print" [ (flag "screenshot") ])
+        (plain "Ctrl+Print" [ (flag "screenshot-screen") ])
+        (plain "Alt+Print" [ (flag "screenshot-window") ])
+
+        # The quit action will show a confirmation dialog to avoid accidental exits.
+        # If you want to skip the confirmation dialog, set the flag like so:
+        # (plain "Mod+Shift+E" [(leaf "quit" { skip-confirmation=true; })])
+        (plain "Mod+Shift+E" [ (flag "quit") ])
+
+        (plain "Mod+Shift+P" [ (flag "power-off-monitors") ])
+
+        # This debug bind will tint all surfaces green, unless they are being
+        # directly scanned out. It's therefore useful to check if direct scanout
+        # is working.
+        # (plain "Mod+Shift+Ctrl+T" [(flag "toggle-debug-tint")])
+      ])
+    ];
+}

home/linux/gui/niri/settings.nix

@@ -0,0 +1,276 @@
+niri: {
+  programs.niri.config =
+    let
+      inherit (niri.lib.kdl)
+        node
+        plain
+        leaf
+        flag
+        ;
+    in
+    [
+      (plain "input" [
+        (plain "keyboard" [
+          (plain "xkb" [
+            # You can set rules, model, layout, variant and options.
+            # For more information, see xkeyboard-config(7).
+
+            # For example:
+            # (leaf "layout" "us,ru")
+            # (leaf "options" "grp:win_space_toggle,compose:ralt,ctrl:nocaps")
+          ])
+
+          # You can set the keyboard repeat parameters. The defaults match wlroots and sway.
+          # Delay is in milliseconds before the repeat starts. Rate is in characters per second.
+          # (leaf "repeat-delay" 600)
+          # (leaf "repeat-rate" 25)
+
+          # Niri can remember the keyboard layout globally (the default) or per-window.
+          # - "global" - layout change is global for all windows.
+          # - "window" - layout is tracked for each window individually.
+          # (leaf "track-layout" "global")
+        ])
+
+        # Next sections include libinput settings.
+        # Omitting settings disables them, or leaves them at their default values.
+        (plain "touchpad" [
+          (flag "tap")
+          # (flag "dwt")
+          # (flag "dwtp")
+          (flag "natural-scroll")
+          # (leaf "accel-speed" 0.2)
+          # (leaf "accel-profile" "flat")
+          # (leaf "tap-button-map" "left-middle-right")
+        ])
+
+        (plain "mouse" [
+          # (flag "natural-scroll")
+          # (leaf "accel-speed" 0.2)
+          # (leaf "accel-profile" "flat")
+        ])
+
+        # By default, niri will take over the power button to make it sleep
+        # instead of power off.
+        # Uncomment this if you would like to configure the power button elsewhere
+        # (i.e. logind.conf).
+        # (flag "disable-power-key-handling")
+      ])
+
+      (plain "layout" [
+        # By default focus ring and border are rendered as a solid background rectangle
+        # behind windows. That is, they will show up through semitransparent windows.
+        # This is because windows using client-side decorations can have an arbitrary shape.
+        #
+        # If you don't like that, you should uncomment `prefer-no-csd` below.
+        # Niri will draw focus ring and border *around* windows that agree to omit their
+        # client-side decorations.
+
+        # You can change how the focus ring looks.
+        (plain "focus-ring" [
+          # Uncomment this line to disable the focus ring.
+          # (flag "off")
+
+          # How many logical pixels the ring extends out from the windows.
+          (leaf "width" 4)
+
+          # Colors can be set in a variety of ways:
+          # - CSS named colors: "red"
+          # - RGB hex: "#rgb", "#rgba", "#rrggbb", "#rrggbbaa"
+          # - CSS-like notation: "rgb(255, 127, 0)", rgba(), hsl() and a few others.
+
+          # Color of the ring on the active monitor.
+          (leaf "active-color" "#7fc8ff")
+
+          # Color of the ring on inactive monitors.
+          (leaf "inactive-color" "#505050")
+
+          # Additionally, there's a legacy RGBA syntax:
+          # (leaf "active-color" [ 127 200 255 255 ])
+
+          # You can also use gradients. They take precedence over solid colors.
+          # Gradients are rendered the same as CSS linear-gradient(angle, from, to).
+          # The angle is the same as in linear-gradient, and is optional,
+          # defaulting to 180 (top-to-bottom gradient).
+          # You can use any CSS linear-gradient tool on the web to set these up.
+          #
+          # (leaf "active-gradient" { from="#80c8ff"; to="#bbddff"; angle=45; })
+
+          # You can also color the gradient relative to the entire view
+          # of the workspace, rather than relative to just the window itself.
+          # To do that, set relative-to="workspace-view";
+          #
+          # (leaf "inactive-gradient" { from="#505050"; to="#808080"; angle=45; relative-to="workspace-view"; })
+        ])
+
+        # You can also add a border. It's similar to the focus ring, but always visible.
+        (plain "border" [
+          # The settings are the same as for the focus ring.
+          # If you enable the border, you probably want to disable the focus ring.
+          (flag "off")
+
+          (leaf "width" 4)
+          (leaf "active-color" "#ffc87f")
+          (leaf "inactive-color" "#505050")
+
+          # (leaf "active-gradient" { from="#ffbb66"; to="#ffc880"; angle=45; relative-to="workspace-view"; })
+          # (leaf "inactive-gradient" { from="#505050"; to="#808080"; angle=45; relative-to="workspace-view"; })
+        ])
+
+        # You can customize the widths that "switch-preset-column-width" (Mod+R) toggles between.
+        (plain "preset-column-widths" [
+          # Proportion sets the width as a fraction of the output width, taking gaps into account.
+          # For example, you can perfectly fit four windows sized "proportion 0.25" on an output.
+          # The default preset widths are 1/3, 1/2 and 2/3 of the output.
+          (leaf "proportion" (1.0 / 3.0))
+          (leaf "proportion" (1.0 / 2.0))
+          (leaf "proportion" (2.0 / 3.0))
+
+          # Fixed sets the width in logical pixels exactly.
+          # (leaf "fixed" 1920)
+        ])
+
+        # You can change the default width of the new windows.
+        (plain "default-column-width" [
+          (leaf "proportion" 0.5)
+        ])
+        # If you leave the children empty, the windows themselves will decide their initial width.
+        # (plain "default-column-width" [])
+
+        # Set gaps around windows in logical pixels.
+        (leaf "gaps" 8)
+
+        # Struts shrink the area occupied by windows, similarly to layer-shell panels.
+        # You can think of them as a kind of outer gaps. They are set in logical pixels.
+        # Left and right struts will cause the next window to the side to always be visible.
+        # Top and bottom struts will simply add outer gaps in addition to the area occupied by
+        # layer-shell panels and regular gaps.
+        (plain "struts" [
+          # (leaf "left" 64)
+          # (leaf "right" 64)
+          # (leaf "top" 64)
+          # (leaf "bottom" 64)
+        ])
+
+        # When to center a column when changing focus, options are:
+        # - "never", default behavior, focusing an off-screen column will keep at the left
+        #   or right edge of the screen.
+        # - "on-overflow", focusing a column will center it if it doesn't fit
+        #   together with the previously focused column.
+        # - "always", the focused column will always be centered.
+        (leaf "center-focused-column" "never")
+      ])
+
+      (plain "cursor" [
+        # Change the theme and size of the cursor as well as set the
+        # `XCURSOR_THEME` and `XCURSOR_SIZE` env variables.
+        # (leaf "xcursor-theme" "default")
+        # (leaf "xcursor-size" 24)
+      ])
+
+      # Uncomment this line to ask the clients to omit their client-side decorations if possible.
+      # If the client will specifically ask for CSD, the request will be honored.
+      # Additionally, clients will be informed that they are tiled, removing some rounded corners.
+      # (flag "prefer-no-csd")
+
+      # You can change the path where screenshots are saved.
+      # A ~ at the front will be expanded to the home directory.
+      # The path is formatted with strftime(3) to give you the screenshot date and time.
+      (leaf "screenshot-path" "~/Pictures/Screenshots/Screenshot from %Y-%m-%d %H-%M-%S.png")
+
+      # You can also set this to null to disable saving screenshots to disk.
+      # (leaf "screenshot-path" null)
+
+      # Settings for the "Important Hotkeys" overlay.
+      (plain "hotkey-overlay" [
+        # Uncomment this line if you don't want to see the hotkey help at niri startup.
+        # (flag "skip-at-startup")
+      ])
+
+      (plain "layer-rule" [
+        (leaf "match" { namespace = "waybar"; })
+        (leaf "opacity" 0.8)
+      ])
+
+      # Animation settings.
+      (plain "animations" [
+        # Uncomment to turn off all animations.
+        # (flag "off")
+
+        # Slow down all animations by this factor. Values below 1 speed them up instead.
+        # (leaf "slowdown" 3.0)
+
+        # You can configure all individual animations.
+        # Available settings are the same for all of them.
+        # - off disables the animation.
+        #
+        # Niri supports two animation types: easing and spring.
+        # You can set properties for only ONE of them.
+        #
+        # Easing has the following settings:
+        # - duration-ms sets the duration of the animation in milliseconds.
+        # - curve sets the easing curve. Currently, available curves
+        #   are "ease-out-cubic" and "ease-out-expo".
+        #
+        # Spring animations work better with touchpad gestures, because they
+        # take into account the velocity of your fingers as you release the swipe.
+        # The parameters are less obvious and generally should be tuned
+        # with trial and error. Notably, you cannot directly set the duration.
+        # You can use this app to help visualize how the spring parameters
+        # change the animation: https://flathub.org/apps/app.drey.Elastic
+        #
+        # A spring animation is configured like this:
+        # - (leaf "spring" { damping-ratio=1.0; stiffness=1000; epsilon=0.0001; })
+        #
+        # The damping ratio goes from 0.1 to 10.0 and has the following properties:
+        # - below 1.0: underdamped spring, will oscillate in the end.
+        # - above 1.0: overdamped spring, won't oscillate.
+        # - 1.0: critically damped spring, comes to rest in minimum possible time
+        #    without oscillations.
+        #
+        # However, even with damping ratio = 1.0 the spring animation may oscillate
+        # if "launched" with enough velocity from a touchpad swipe.
+        #
+        # Lower stiffness will result in a slower animation more prone to oscillation.
+        #
+        # Set epsilon to a lower value if the animation "jumps" in the end.
+        #
+        # The spring mass is hardcoded to 1.0 and cannot be changed. Instead, change
+        # stiffness proportionally. E.g. increasing mass by 2x is the same as
+        # decreasing stiffness by 2x.
+
+        # Animation when switching workspaces up and down,
+        # including after the touchpad gesture.
+        (plain "workspace-switch" [
+          # (flag "off")
+          # (leaf "spring" { damping-ratio=1.0; stiffness=1000; epsilon=0.0001; })
+        ])
+
+        # All horizontal camera view movement:
+        # - When a window off-screen is focused and the camera scrolls to it.
+        # - When a new window appears off-screen and the camera scrolls to it.
+        # - When a window resizes bigger and the camera scrolls to show it in full.
+        # - And so on.
+        (plain "horizontal-view-movement" [
+          # (flag "off")
+          # (leaf "spring" { damping-ratio=1.0; stiffness=800; epsilon=0.0001; })
+        ])
+
+        # Window opening animation. Note that this one has different defaults.
+        (plain "window-open" [
+          # (flag "off")
+          # (leaf "duration-ms" 150)
+          # (leaf "curve" "ease-out-expo")
+
+          # Example for a slightly bouncy window opening:
+          # (leaf "spring" { damping-ratio=0.8; stiffness=1000; epsilon=0.0001; })
+        ])
+
+        # Config parse error and new default config creation notification
+        # open/close animation.
+        (plain "config-notification-open-close" [
+          # (flag "off")
+          # (leaf "spring" { damping-ratio=0.6; stiffness=1000; epsilon=0.001; })
+        ])
+      ])
+    ];
+}

home/linux/gui/niri/spawn-at-startup.nix

@@ -0,0 +1,28 @@
+niri: {
+  programs.niri.config =
+    let
+      inherit (niri.lib.kdl)
+        node
+        plain
+        leaf
+        flag
+        ;
+    in
+    [
+      # Add lines like this to spawn processes at startup.
+      # Note that running niri as a session supports xdg-desktop-autostart,
+      # which may be more convenient to use.
+      # --------------- Terminal ---------------
+      (leaf "spawn-at-startup" [ "foot" ])
+      (leaf "spawn-at-startup" [ "alacritty" ])
+      (leaf "spawn-at-startup" [ "ghostty" ])
+      # --------------- Networking ---------------
+      (leaf "spawn-at-startup" [ "clash-verge" ])
+      # --------------- Browser ---------------
+      (leaf "spawn-at-startup" [ "firefox" ])
+      (leaf "spawn-at-startup" [ "google-chrome-stable" ])
+      (leaf "spawn-at-startup" [ "chromium-browser" ])
+      # --------------- Chatting ---------------
+      (leaf "spawn-at-startup" [ "Telegram" ])
+    ];
+}

home/linux/gui/niri/windowrules.nix

@@ -0,0 +1,68 @@
+niri: {
+  programs.niri.config =
+    let
+      inherit (niri.lib.kdl)
+        node
+        plain
+        leaf
+        flag
+        ;
+    in
+    [
+      # ============= Window Rules =============
+      # Get all the window's information via:
+      #   niri msg windows
+
+      # --------------- Terminal ---------------
+      # foot → ws 13
+      (plain "window-rule" [
+        (leaf "match" { app-id = "foot"; })
+        (leaf "open-on-workspace" "1terminal")
+        (leaf "open-maximized" true)
+      ])
+
+      # Alacritty → ws 10
+      (plain "window-rule" [
+        (leaf "match" { app-id = "Alacritty"; })
+        (leaf "open-on-workspace" "1terminal")
+        (leaf "open-maximized" true)
+      ])
+
+      # Ghostty → ws 14
+      (plain "window-rule" [
+        (leaf "match" { app-id = "com.mitchellh.ghostty"; })
+        (leaf "open-on-workspace" "1terminal")
+        (leaf "open-maximized" true)
+      ])
+
+      # --------------- Networking ---------------
+
+      # Clash Verge → ws 7
+      (plain "window-rule" [
+        (leaf "match" { app-id = "clash-verge"; })
+        (leaf "open-on-workspace" "0other")
+      ])
+
+      # --------------- Browser ---------------
+
+      # Firefox → ws 11
+      (plain "window-rule" [
+        (leaf "match" { app-id = "firefox"; })
+        (leaf "open-on-workspace" "2browser")
+        (leaf "open-maximized" true)
+      ])
+      # Google Chrome → ws 12
+      (plain "window-rule" [
+        (leaf "match" { app-id = "google-chrome"; })
+        (leaf "open-on-workspace" "2browser")
+        (leaf "open-maximized" true)
+      ])
+
+      # --------------- Chatting ---------------
+      # Telegram → ws 6
+      (plain "window-rule" [
+        (leaf "match" { app-id = "org.telegram.desktop"; })
+        (leaf "open-on-workspace" "3chat")
+      ])
+    ];
+}

hosts/12kingdoms-shoukei/README.md

@@ -4,5 +4,6 @@ This is NixOS's configuration for my Macbook Pro 2022 M2, 16G RAM.
 
 Related:
 
+- [M2 Series Feature Support - Asahi Linux](https://asahilinux.org/docs/platform/feature-support/m2/)
 - [/nixos-installer/README.shoukei.md](/nixos-installer/README.shoukei.md)
-- https://github.com/nix-community/nixos-apple-silicon/blob/main/docs/uefi-standalone.md
+- [nixos-apple-silicon - UEFI Boot Standalone NixOS](https://github.com/nix-community/nixos-apple-silicon/blob/main/docs/uefi-standalone.md)

hosts/12kingdoms-shoukei/apple-silicon.nix

@@ -21,14 +21,32 @@
     enable = true;
     peripheralFirmwareDirectory = "${my-asahi-firmware}/macbook-pro-m2-a2338";
 
-    # build the Asahi Linux Kernel with Rust support
+    # since mesa 25.1(already in nixpkgs), support for asahi is enabled by default.
-    withRust = true;
-    # use apple-silicon's GPU instead of CPU
-    useExperimentalGPUDriver = true;
-    # How to install the Asahi Mesa driver
-    experimentalGPUInstallMode = "driver"; # driver / replace(for non-flakes) / overlay
   };
 
+  # Lid & PowerKey settings
+  #
+  # Suspend: Store system state to RAM - fast, requires minimal power to maintain RAM.
+  # Hibernate: Store system state & RAM to Disk, and then poweroff the system.
+  #
+  # NOTE: Hibernate is not supported by Asahi Linux.
+  services.logind = {
+    lidSwitch = "suspend";
+    lidSwitchExternalPower = "lock";
+    # 'Docked' means: more than one display is connected or the system is inserted in a docking station
+    lidSwitchDocked = "ignore";
+
+    powerKey = "suspend";
+    powerKeyLongPress = "poweroff";
+  };
+  systemd.targets.sleep.enable = true;
+  systemd.sleep.extraConfig = ''
+    AllowSuspend=yes
+    AllowHibernate=no
+    AllowSuspendThenHibernate=no
+    HibernateDelaySec=5min
+  '';
+
   # After adding this snippet, you need to restart the system for the touchbar to work.
   hardware.apple.touchBar = {
     enable = true;

hosts/12kingdoms-shoukei/hardware-configuration.nix

@@ -157,4 +157,5 @@ in
   # networking.interfaces.wlan0.useDHCP = lib.mkDefault true;
 
   nixpkgs.hostPlatform = lib.mkDefault "aarch64-linux";
+  powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";
 }

hosts/12kingdoms-shoukei/home.nix

@@ -1,15 +1,54 @@
-{ config, ... }:
+{ config, niri, ... }:
 let
   hostName = "shoukei"; # Define your hostname.
 in
 {
-  modules.desktop.hyprland = {
-    nvidia = false;
-    settings.source = [
-      "${config.home.homeDirectory}/nix-config/hosts/12kingdoms-shoukei/hypr-hardware.conf"
-    ];
-  };
-
   programs.ssh.matchBlocks."github.com".identityFile =
     "${config.home.homeDirectory}/.ssh/${hostName}";
+
+  modules.desktop.nvidia.enable = false;
+  modules.desktop.hyprland.settings.source = [
+    "${config.home.homeDirectory}/nix-config/hosts/12kingdoms-shoukei/hypr-hardware.conf"
+  ];
+
+  modules.desktop.niri = {
+    settings =
+      let
+        inherit (niri.lib.kdl)
+          node
+          plain
+          leaf
+          flag
+          ;
+      in
+      [
+        (node "output" "eDP-1" [
+          (leaf "scale" 1.5)
+          (leaf "transform" "normal")
+          (leaf "mode" "2560x1600@60")
+          (leaf "position" {
+            x = 0;
+            y = 0;
+          })
+        ])
+
+        # ============= Named Workspaces =============
+        (node "workspace" "1terminal" [ (leaf "open-on-output" "eDP-1") ])
+        (node "workspace" "2browser" [ (leaf "open-on-output" "eDP-1") ])
+        (node "workspace" "3chat" [ (leaf "open-on-output" "eDP-1") ])
+        (node "workspace" "4music" [ (leaf "open-on-output" "eDP-1") ])
+        (node "workspace" "5mail" [ (leaf "open-on-output" "eDP-1") ])
+        (node "workspace" "6file" [ (leaf "open-on-output" "eDP-1") ])
+        (node "workspace" "0other" [ (leaf "open-on-output" "eDP-1") ])
+
+        # Settings for debugging. Not meant for normal use.
+        # These can change or stop working at any point with little notice.
+        (plain "debug" [
+          # Override the DRM device that niri will use for all rendering.
+          # Fix: niri fails to correctly detect the primary render device
+          (leaf "render-drm-device" "/dev/dri/renderD128")
+        ])
+      ];
+  };
+
 }

hosts/12kingdoms-shoukei/hypr-hardware.conf

@@ -6,4 +6,3 @@
 #   1.33:          scale to 1.33 times
 #   bitdepth,10:  enable 10 bit support
 monitor=eDP-1,      highres@highrr,  0x0,         1.33,  bitdepth,10
-

hosts/idols-ai/hardware-configuration.nix

@@ -19,6 +19,7 @@
   boot.loader.efi.efiSysMountPoint = "/boot";
   boot.loader.systemd-boot.enable = true;
 
+  # https://github.com/NixOS/nixpkgs/blob/nixos-unstable/pkgs/top-level/linux-kernels.nix
   boot.kernelPackages = pkgs.linuxPackages_latest;
   # boot.kernelPackages = pkgs.linuxPackages_xanmod_latest;
 

hosts/idols-ai/home.nix

@@ -1,13 +1,76 @@
-{ config, ... }:
+{ config, niri, ... }:
 {
-  modules.desktop = {
-    hyprland = {
-      nvidia = true;
-      settings.source = [
-        "${config.home.homeDirectory}/nix-config/hosts/idols-ai/hypr-hardware.conf"
-      ];
-    };
-  };
-
   programs.ssh.matchBlocks."github.com".identityFile = "${config.home.homeDirectory}/.ssh/idols-ai";
+
+  modules.desktop.nvidia.enable = true;
+
+  modules.desktop.hyprland.settings.source = [
+    "${config.home.homeDirectory}/nix-config/hosts/idols-ai/hypr-hardware.conf"
+  ];
+
+  modules.desktop.niri = {
+    settings =
+      let
+        inherit (niri.lib.kdl)
+          node
+          plain
+          leaf
+          flag
+          ;
+      in
+      [
+        # running `niri msg outputs` to find outputs
+        (node "output" "DP-2" [
+          # Uncomment this line to disable this output.
+          # (flag "off")
+
+          # Scale is a floating-point number, but at the moment only integer values work.
+          (leaf "scale" 1.5)
+
+          # Transform allows to rotate the output counter-clockwise, valid values are:
+          # normal, 90, 180, 270, flipped, flipped-90, flipped-180 and flipped-270.
+          (leaf "transform" "normal")
+
+          # Resolution and, optionally, refresh rate of the output.
+          # The format is "<width>x<height>" or "<width>x<height>@<refresh rate>".
+          # If the refresh rate is omitted, niri will pick the highest refresh rate
+          # for the resolution.
+          # If the mode is omitted altogether or is invalid, niri will pick one automatically.
+          # Run `niri msg outputs` while inside a niri instance to list all outputs and their modes.
+          (leaf "mode" "3840x2160@144")
+
+          # Position of the output in the global coordinate space.
+          # This affects directional monitor actions like "focus-monitor-left", and cursor movement.
+          # The cursor can only move between directly adjacent outputs.
+          # Output scale has to be taken into account for positioning:
+          # outputs are sized in logical, or scaled, pixels.
+          # For example, a 3840×2160 output with scale 2.0 will have a logical size of 1920×1080,
+          # so to put another output directly adjacent to it on the right, set its x to 1920.
+          # It the position is unset or results in an overlap, the output is instead placed
+          # automatically.
+          (leaf "position" {
+            x = 0;
+            y = 0;
+          })
+        ])
+        (node "output" "HDMI-A-1" [
+          (leaf "scale" 1.5)
+          (leaf "transform" "normal")
+          (leaf "mode" "3840x2160@60")
+          (leaf "position" {
+            x = 2560; # on the right of DP-2
+            y = 0;
+          })
+        ])
+
+        # ============= Named Workspaces =============
+        (node "workspace" "1terminal" [ (leaf "open-on-output" "HDMI-A-1") ])
+        (node "workspace" "2browser" [ (leaf "open-on-output" "DP-2") ])
+        (node "workspace" "3chat" [ (leaf "open-on-output" "HDMI-A-1") ])
+        (node "workspace" "4music" [ (leaf "open-on-output" "DP-2") ])
+        (node "workspace" "5mail" [ (leaf "open-on-output" "DP-2") ])
+        (node "workspace" "6file" [ (leaf "open-on-output" "HDMI-A-1") ])
+        (node "workspace" "0other" [ (leaf "open-on-output" "HDMI-A-1") ])
+      ];
+  };
 }

hosts/idols-aquamarine/default.nix

@@ -17,12 +17,11 @@ let
   inherit (myvars.networking) proxyGateway proxyGateway6 nameservers;
   inherit (myvars.networking.hostsAddr.${hostName}) iface ipv4;
   ipv4WithMask = "${ipv4}/24";
-in {
+in
-  imports =
+{
-    (mylib.scanPaths ./.)
+  imports = (mylib.scanPaths ./.) ++ [
-    ++ [
+    disko.nixosModules.default
-      disko.nixosModules.default
+  ];
-    ];
 
   # supported file systems, so we can mount any removable disks with these filesystems
   boot.supportedFilesystems = [
@@ -41,8 +40,7 @@ in {
   # This doesn’t define how much memory will be used by the zram swap devices.
   zramSwap.memoryPercent = lib.mkForce 100;
 
-  boot.kernelPackages = pkgs.linuxPackages_latest;
+  boot.kernelModules = [ "kvm-amd" ];
-  boot.kernelModules = ["kvm-amd"];
   boot.extraModprobeConfig = "options kvm_amd nested=1"; # for amd cpu
 
   networking = {
@@ -57,9 +55,9 @@ in {
   systemd.network.enable = true;
 
   systemd.network.networks."10-${iface}" = {
-    matchConfig.Name = [iface];
+    matchConfig.Name = [ iface ];
     networkConfig = {
-      Address = [ipv4WithMask];
+      Address = [ ipv4WithMask ];
       DNS = nameservers;
       DHCP = "ipv6"; # enable DHCPv6 only, so we can get a GUA.
       IPv6AcceptRA = true; # for Stateless IPv6 Autoconfiguraton (SLAAC)

hosts/idols-aquamarine/grafana/dashboards/README.md

@@ -17,7 +17,18 @@
 
 1. https://github.com/kubevirt/monitoring/tree/main/dashboards/grafana
 
+## Loki Mixin
+
+An opinionated set of dashboards, alerts, and recording rules to monitor your Loki cluster. The
+mixin provides a comprehensive package for monitoring Loki in production.
+
+1. https://github.com/grafana/loki/tree/main/production/loki-mixin-compiled/dashboards
 
 ## Databases
 
-1. https://grafana.com/grafana/dashboards/9628-postgresql-database/
+1. PostgreSQL: https://grafana.com/grafana/dashboards/9628-postgresql-database/
+   - Requires Prometheus PostgreSQL exporter metrics. See: wrouesnel/postgres_exporter
+1. CloudNative-PG:
+   - Instance:
+     https://github.com/cloudnative-pg/grafana-dashboards/blob/main/charts/cluster/grafana-dashboard.json
+   - Pooler(PGBouncer): https://github.com/cloudnative-pg/grafana-dashboards/issues/7

hosts/idols-aquamarine/grafana/dashboards/loki-mixin/loki-logs.json

@@ -644,6 +644,98 @@
         "alignLevel": null
       }
     },
+    {
+      "aliasColors": {},
+      "bars": false,
+      "dashLength": 10,
+      "dashes": false,
+      "datasource": "$datasource",
+      "fieldConfig": {
+        "defaults": {
+          "unit": "ops"
+        }
+      },
+      "fill": 1,
+      "fillGradient": 0,
+      "gridPos": {
+        "h": 4,
+        "w": 3,
+        "x": 21,
+        "y": 0
+      },
+      "hiddenSeries": false,
+      "id": 42,
+      "legend": {
+        "avg": false,
+        "current": false,
+        "max": false,
+        "min": false,
+        "show": false,
+        "total": false,
+        "values": false
+      },
+      "lines": true,
+      "linewidth": 1,
+      "nullPointMode": "null",
+      "options": {
+        "dataLinks": []
+      },
+      "percentage": false,
+      "pointradius": 2,
+      "points": false,
+      "renderer": "flot",
+      "seriesOverrides": [],
+      "spaceLength": 10,
+      "stack": false,
+      "steppedLine": false,
+      "targets": [
+        {
+          "expr": "sum(rate(promtail_custom_bad_words_total{cluster=\"$cluster\", exported_namespace=\"$namespace\", container=~\"$container\"}[$__rate_interval])) by (level)",
+          "legendFormat": "{{level}}",
+          "refId": "A"
+        }
+      ],
+      "thresholds": [],
+      "timeFrom": null,
+      "timeRegions": [],
+      "timeShift": null,
+      "title": "bad words",
+      "tooltip": {
+        "shared": true,
+        "sort": 0,
+        "value_type": "individual"
+      },
+      "type": "timeseries",
+      "xaxis": {
+        "buckets": null,
+        "mode": "time",
+        "name": null,
+        "show": true,
+        "values": []
+      },
+      "yaxes": [
+        {
+          "format": "bytes",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        },
+        {
+          "format": "short",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        }
+      ],
+      "yaxis": {
+        "align": false,
+        "alignLevel": null
+      }
+    },
     {
       "aliasColors": {},
       "bars": false,
@@ -839,7 +931,7 @@
         "multi": false,
         "name": "namespace",
         "options": [],
-        "query": "label_values(loki_build_info{cluster=~\"$cluster\"}, namespace)",
+        "query": "label_values(kube_pod_info{cluster=~\"$cluster\"}, namespace)",
         "refresh": 1,
         "regex": "",
         "sort": 2,

hosts/idols-aquamarine/journald.nix

@@ -0,0 +1,8 @@
+{
+  # systemd-journal - reduce disk usage
+  # https://www.freedesktop.org/software/systemd/man/latest/journald.conf.html
+  services.journald.extraConfig = ''
+    SystemMaxUse=2G
+    RuntimeMaxUse=256M
+  '';
+}

modules/nixos/base/core.nix

@@ -8,12 +8,4 @@
   };
 
   boot.loader.timeout = lib.mkDefault 8; # wait for x seconds to select the boot entry
-
-  # for power management
-  services = {
-    power-profiles-daemon = {
-      enable = true;
-    };
-    upower.enable = true;
-  };
 }

modules/nixos/base/packages.nix

@@ -17,7 +17,7 @@
 
     # system monitoring
     sysstat
-    iotop
+    iotop-c
     iftop
     btop
     nmon

outputs/aarch64-linux/src/12kingdoms-shoukei.nix

@@ -14,17 +14,27 @@ let
   # Shoukei (祥瓊, Shōkei)
   name = "shoukei";
   base-modules = {
-    nixos-modules = map mylib.relativeToRoot [
+    nixos-modules =
-      # common
+      (map mylib.relativeToRoot [
-      "secrets/nixos.nix"
+        # common
-      "modules/nixos/desktop.nix"
+        "secrets/nixos.nix"
-      # host specific
+        "modules/nixos/desktop.nix"
-      "hosts/12kingdoms-${name}"
+        # host specific
-      # nixos hardening
+        "hosts/12kingdoms-${name}"
-      # "hardening/profiles/default.nix"
+        # nixos hardening
-      "hardening/nixpaks"
+        # "hardening/profiles/default.nix"
-      "hardening/bwraps"
+        "hardening/nixpaks"
-    ];
+        "hardening/bwraps"
+      ])
+      ++ [
+        inputs.niri.nixosModules.niri
+        {
+          modules.desktop.fonts.enable = true;
+          modules.desktop.wayland.enable = true;
+          modules.secrets.desktop.enable = true;
+          modules.secrets.preservation.enable = true;
+        }
+      ];
     home-modules = map mylib.relativeToRoot [
       # common
       "home/linux/gui.nix"
@@ -35,14 +45,6 @@ let
 
   modules-hyprland = {
     nixos-modules = [
-      {
-        modules.desktop.wayland.enable = true;
-        modules.secrets.desktop.enable = true;
-        modules.secrets.preservation.enable = true;
-
-        # TODO: remove this option
-        nixpkgs.config.allowUnsupportedSstem = true;
-      }
     ]
     ++ base-modules.nixos-modules;
     home-modules = [
@@ -50,15 +52,28 @@ let
     ]
     ++ base-modules.home-modules;
   };
+
+  modules-niri = {
+    nixos-modules = [
+      { programs.niri.enable = true; }
+    ]
+    ++ base-modules.nixos-modules;
+    home-modules = [
+      { modules.desktop.niri.enable = true; }
+    ]
+    ++ base-modules.home-modules;
+  };
 in
 {
   nixosConfigurations = {
     # host with hyprland compositor
     "${name}-hyprland" = mylib.nixosSystem (modules-hyprland // args);
+    "${name}-niri" = mylib.nixosSystem (modules-niri // args);
   };
 
   # generate iso image for hosts with desktop environment
   packages = {
     "${name}-hyprland" = inputs.self.nixosConfigurations."${name}-hyprland".config.formats.iso;
+    "${name}-niri" = inputs.self.nixosConfigurations."${name}-niri".config.formats.iso;
   };
 }

outputs/aarch64-linux/tests/home-manager/expected.nix

@@ -6,6 +6,7 @@ let
   username = myvars.username;
   hosts = [
     "shoukei-hyprland"
+    "shoukei-niri"
   ];
 in
 lib.genAttrs hosts (_: "/home/${username}")

outputs/aarch64-linux/tests/home-manager/expr.nix

@@ -7,6 +7,7 @@ let
   username = myvars.username;
   hosts = [
     "shoukei-hyprland"
+    "shoukei-niri"
   ];
 in
 lib.genAttrs hosts (

outputs/aarch64-linux/tests/hostname/expected.nix

@@ -5,6 +5,7 @@
 let
   specialExpected = {
     "shoukei-hyprland" = "shoukei";
+    "shoukei-niri" = "shoukei";
   };
   specialHostNames = builtins.attrNames specialExpected;
 

outputs/x86_64-linux/src/idols-ai.nix

@@ -8,23 +8,34 @@
   mylib,
   system,
   genSpecialArgs,
+  niri,
   ...
 }@args:
 let
   # 星野 アイ, Hoshino Ai
   name = "ai";
   base-modules = {
-    nixos-modules = map mylib.relativeToRoot [
+    nixos-modules =
-      # common
+      (map mylib.relativeToRoot [
-      "secrets/nixos.nix"
+        # common
-      "modules/nixos/desktop.nix"
+        "secrets/nixos.nix"
-      # host specific
+        "modules/nixos/desktop.nix"
-      "hosts/idols-${name}"
+        # host specific
-      # nixos hardening
+        "hosts/idols-${name}"
-      # "hardening/profiles/default.nix"
+        # nixos hardening
-      "hardening/nixpaks"
+        # "hardening/profiles/default.nix"
-      "hardening/bwraps"
+        "hardening/nixpaks"
-    ];
+        "hardening/bwraps"
+      ])
+      ++ [
+        inputs.niri.nixosModules.niri
+        {
+          modules.desktop.fonts.enable = true;
+          modules.desktop.wayland.enable = true;
+          modules.secrets.desktop.enable = true;
+          modules.secrets.preservation.enable = true;
+        }
+      ];
     home-modules = map mylib.relativeToRoot [
       # common
       "home/linux/gui.nix"
@@ -35,12 +46,6 @@ let
 
   modules-hyprland = {
     nixos-modules = [
-      {
-        modules.desktop.fonts.enable = true;
-        modules.desktop.wayland.enable = true;
-        modules.secrets.desktop.enable = true;
-        modules.secrets.preservation.enable = true;
-      }
     ]
     ++ base-modules.nixos-modules;
     home-modules = [
@@ -48,15 +53,28 @@ let
     ]
     ++ base-modules.home-modules;
   };
+
+  modules-niri = {
+    nixos-modules = [
+      { programs.niri.enable = true; }
+    ]
+    ++ base-modules.nixos-modules;
+    home-modules = [
+      { modules.desktop.niri.enable = true; }
+    ]
+    ++ base-modules.home-modules;
+  };
 in
 {
   nixosConfigurations = {
     # host with hyprland compositor
     "${name}-hyprland" = mylib.nixosSystem (modules-hyprland // args);
+    "${name}-niri" = mylib.nixosSystem (modules-niri // args);
   };
 
   # generate iso image for hosts with desktop environment
   packages = {
     "${name}-hyprland" = inputs.self.nixosConfigurations."${name}-hyprland".config.formats.iso;
+    "${name}-niri" = inputs.self.nixosConfigurations."${name}-niri".config.formats.iso;
   };
 }

outputs/x86_64-linux/tests/home-manager/expected.nix

@@ -6,6 +6,7 @@ let
   username = myvars.username;
   hosts = [
     "ai-hyprland"
+    "ai-niri"
     "ruby"
     "k3s-prod-1-master-1"
   ];

outputs/x86_64-linux/tests/home-manager/expr.nix

@@ -7,6 +7,7 @@ let
   username = myvars.username;
   hosts = [
     "ai-hyprland"
+    "ai-niri"
     "ruby"
     "k3s-prod-1-master-1"
   ];

outputs/x86_64-linux/tests/hostname/expected.nix

@@ -5,6 +5,7 @@
 let
   specialExpected = {
     "ai-hyprland" = "ai";
+    "ai-niri" = "ai";
   };
   specialHostNames = builtins.attrNames specialExpected;
 

utils.nu

@@ -1,9 +1,15 @@
+def repeat-str [s: string, n: int] {
+  (1..$n | each { $s } | str join)
+}
+
 # ================= NixOS related =========================
 
 export def nixos-switch [
     name: string
     mode: string
 ] {
+    print $"nixos-switch '($name)' in '($mode)' mode..."
+    print (repeat-str "=" 50)
     if "debug" == $mode {
         # show details via nix-output-monitor
         nom build $".#nixosConfigurations.($name).config.system.build.toplevel" --show-trace --verbose
@@ -19,6 +25,7 @@ export def nixos-switch [
 export def make-editable [
     path: string
 ] {
+    print (repeat-str "=" 50)
     let tmpdir = (mktemp -d)
     rsync -avz --copy-links $"($path)/" $tmpdir
     rsync -avz --copy-links --chmod=D2755,F744 $"($tmpdir)/" $path
@@ -31,6 +38,8 @@ export def darwin-build [
     name: string
     mode: string
 ] {
+    print $"darwin-build '($name)' in '($mode)' mode..."
+    print (repeat-str "=" 50)
     let target = $".#darwinConfigurations.($name).system"
     if "debug" == $mode {
         nom build $target --extra-experimental-features "nix-command flakes"  --show-trace --verbose
@@ -43,6 +52,8 @@ export def darwin-switch [
     name: string
     mode: string
 ] {
+    print $"darwin-switch '($name)' in '($mode)' mode..."
+    print (repeat-str "=" 50)
     if "debug" == $mode {
         sudo -E ./result/sw/bin/darwin-rebuild switch --flake $".#($name)" --show-trace --verbose
     } else {
@@ -61,6 +72,8 @@ export def upload-vm [
     name: string
     mode: string
 ] {
+    print $"upload-vm '($name)' in '($mode)' mode..."
+    print (repeat-str "=" 50)
     let target = $".#($name)"
     if "debug" == $mode {
         nom build $target --show-trace --verbose