diff --git a/flake.lock b/flake.lock
index eb6c869..81ade3e 100644
--- a/flake.lock
+++ b/flake.lock
@@ -142,11 +142,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1763651264,
-        "narHash": "sha256-8vvwZbw0s7YvBMJeyPVpWke6lg6ROgtts5N2/SMCcv4=",
+        "lastModified": 1764350888,
+        "narHash": "sha256-6Rp18zavTlnlZzcoLoBTJMBahL2FycVkw2rAEs3cQvo=",
         "owner": "nix-community",
         "repo": "disko",
-        "rev": "e86a89079587497174ccab6d0d142a65811a4fd9",
+        "rev": "2055a08fd0e2fd41318279a5355eb8a161accf26",
         "type": "github"
       },
       "original": {
@@ -163,11 +163,11 @@
       },
       "locked": {
         "dir": "pkgs/firefox-addons",
-        "lastModified": 1763885608,
-        "narHash": "sha256-eFRbKKMaEHC5EaL7sxfPVFPFsr0Plzx03e1VkJkcsBA=",
+        "lastModified": 1764389080,
+        "narHash": "sha256-BEn1Z9Uv20u2DS6wzLKdzx5kAzynM3wMQ9JnGf3VJvI=",
         "owner": "rycee",
         "repo": "nur-expressions",
-        "rev": "c94982d5890f4ff0737d57ed97503c1c8d40195c",
+        "rev": "897437c09bf22ce59efb3370f0783d0c662dba31",
         "type": "gitlab"
       },
       "original": {
@@ -516,11 +516,11 @@
     },
     "hardware": {
       "locked": {
-        "lastModified": 1762847253,
-        "narHash": "sha256-BWWnUUT01lPwCWUvS0p6Px5UOBFeXJ8jR+ZdLX8IbrU=",
+        "lastModified": 1764440730,
+        "narHash": "sha256-ZlJTNLUKQRANlLDomuRWLBCH5792x+6XUJ4YdFRjtO4=",
         "owner": "nixos",
         "repo": "nixos-hardware",
-        "rev": "899dc449bc6428b9ee6b3b8f771ca2b0ef945ab9",
+        "rev": "9154f4569b6cdfd3c595851a6ba51bfaa472d9f3",
         "type": "github"
       },
       "original": {
@@ -580,11 +580,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1763869804,
-        "narHash": "sha256-2lw+MnkrnygEyUl+3qZjnlCCJF/kJ57GUtYkAQPfLDA=",
+        "lastModified": 1764361670,
+        "narHash": "sha256-jgWzgpIaHbL3USIq0gihZeuy1lLf2YSfwvWEwnfAJUw=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "04c27d743d069cad58f9707ee8e165c471b1c7cd",
+        "rev": "780be8ef503a28939cf9dc7996b48ffb1a3e04c6",
         "type": "github"
       },
       "original": {
@@ -659,11 +659,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1763863406,
-        "narHash": "sha256-jwQjXTRMyz5c7aMIzMJWuzxv88iKjmzsU15Gsm57psM=",
+        "lastModified": 1764294866,
+        "narHash": "sha256-Kn0+e5avInNAX7Rf3qKlUGunpcc8ryutoZLRXzQa6BY=",
         "owner": "fufexan",
         "repo": "nix-gaming",
-        "rev": "9890b7495c78d7729b11f831d7f0f39252b47fb1",
+        "rev": "f189ee5932ef2e0fcc4f63d12a698a968b8450e8",
         "type": "github"
       },
       "original": {
@@ -701,11 +701,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1763776632,
-        "narHash": "sha256-mvumw4Djwi6BgMKVKw5cpNt8a80+h/LvPy2AHOtzBzE=",
+        "lastModified": 1764208886,
+        "narHash": "sha256-voOx8RsK3miw3EHw05nwuOS4ltzeH8tKJnVr+mxtTPQ=",
         "owner": "Infinidoge",
         "repo": "nix-minecraft",
-        "rev": "e6d3b589d9f1f869e68142f44654e59fcb47390c",
+        "rev": "7da8a2d675f9cc56b3f6d654b4cccdca5016ac8e",
         "type": "github"
       },
       "original": {
@@ -720,11 +720,11 @@
         "nixpkgs": "nixpkgs"
       },
       "locked": {
-        "lastModified": 1763738061,
-        "narHash": "sha256-VpNRcInaj1MOya8NmcqhFmdO7KGO7SSZelJQmPl6HoQ=",
+        "lastModified": 1764072830,
+        "narHash": "sha256-ezkjlUCohD9o9c47Ey0/I4CamSS0QEORTqGvyGqMud0=",
         "owner": "nix-community",
         "repo": "nixos-wsl",
-        "rev": "3bcc267c4e0efa023b98b9c5cfbe11b88ec2dc8f",
+        "rev": "c7832dd786175e20f2697179e0e03efadffe4201",
         "type": "github"
       },
       "original": {
@@ -735,11 +735,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1762977756,
-        "narHash": "sha256-4PqRErxfe+2toFJFgcRKZ0UI9NSIOJa+7RXVtBhy4KE=",
+        "lastModified": 1763678758,
+        "narHash": "sha256-+hBiJ+kG5IoffUOdlANKFflTT5nO3FrrR2CA3178Y5s=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c5ae371f1a6a7fd27823bc500d9390b38c05fa55",
+        "rev": "117cc7f94e8072499b0a7aa4c52084fa4e11cc9b",
         "type": "github"
       },
       "original": {
@@ -781,11 +781,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1763678758,
-        "narHash": "sha256-+hBiJ+kG5IoffUOdlANKFflTT5nO3FrrR2CA3178Y5s=",
+        "lastModified": 1764242076,
+        "narHash": "sha256-sKoIWfnijJ0+9e4wRvIgm/HgE27bzwQxcEmo2J/gNpI=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "117cc7f94e8072499b0a7aa4c52084fa4e11cc9b",
+        "rev": "2fad6eac6077f03fe109c4d4eb171cf96791faa4",
         "type": "github"
       },
       "original": {
@@ -828,11 +828,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1757846692,
-        "narHash": "sha256-v4jhDzZIGbDoDayO/SBIxg//MdU40y90ShLmXywdVfU=",
+        "lastModified": 1765486064,
+        "narHash": "sha256-6KDAsBszRoYAv5A16/o7R6rcHbMX/xIaN6a1JKj2LKk=",
         "owner": "xunuwu",
         "repo": "nvim-config",
-        "rev": "6f4dfee3d36837b0a684ced51d83e38811fc2bef",
+        "rev": "b0e52d97eecb8c871d836d9f47fe5227f1e76abf",
         "type": "github"
       },
       "original": {
@@ -936,11 +936,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1763870012,
-        "narHash": "sha256-AHxFfIu73SpNLAOZbu/AvpLhZ/Szhx6gRPj9ufZtaZA=",
+        "lastModified": 1764021963,
+        "narHash": "sha256-1m84V2ROwNEbqeS9t37/mkry23GBhfMt8qb6aHHmjuc=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "4e7d74d92398b933cc0e0e25af5b0836efcfdde3",
+        "rev": "c482a1c1bbe030be6688ed7dc84f7213f304f1ec",
         "type": "github"
       },
       "original": {
@@ -970,11 +970,11 @@
         "tinted-zed": "tinted-zed"
       },
       "locked": {
-        "lastModified": 1763845141,
-        "narHash": "sha256-o8TKdZluj/yC8qPIVNe2g4qopyFmQglH52+lvQx82kE=",
+        "lastModified": 1764451865,
+        "narHash": "sha256-d4tfTm3ccp4rx7W1WW1BzSkTgEeMd4cZvhAJ7lP145M=",
         "owner": "nix-community",
         "repo": "stylix",
-        "rev": "adc650610085adbe130b9860d5bdb869f96050af",
+        "rev": "8a096ccec828c68bfb870295d186ad994ea0ae2c",
         "type": "github"
       },
       "original": {
diff --git a/home/desktop/sway/__waybar.nix b/home/desktop/sway/__waybar.nix
index 4e31ec5..4ac9618 100644
--- a/home/desktop/sway/__waybar.nix
+++ b/home/desktop/sway/__waybar.nix
@@ -22,6 +22,7 @@
         ];
         modules-right = [
           "custom/keyboard-state"
+          "custom/miao-battery-percentage"
           "tray"
           "clock"
         ];
@@ -31,6 +32,11 @@
         "sway/window" = {
           max-length = 80;
         };
+        "custom/miao-battery-percentage" = {
+          return-type = "json";
+          exec = "${lib.getExe self.packages.${pkgs.system}.miao-battery-percentage}";
+          restart-interval = "60";
+        };
         "custom/keyboard-state" = {
           return-type = "json";
           exec = "${lib.getExe self.packages.${pkgs.system}.keyboard-state}";
diff --git a/home/develop/langs/python.nix b/home/develop/langs/python.nix
new file mode 100644
index 0000000..e8e4533
--- /dev/null
+++ b/home/develop/langs/python.nix
@@ -0,0 +1,5 @@
+{pkgs, ...}: {
+  home.packages = with pkgs; [
+    basedpyright
+  ];
+}
diff --git a/hosts/nixdesk/default.nix b/hosts/nixdesk/default.nix
index 35ba620..90e1475 100644
--- a/hosts/nixdesk/default.nix
+++ b/hosts/nixdesk/default.nix
@@ -41,7 +41,7 @@
       core.tools
       core.compat
       core.boot
-      # core.docs
+      core.docs
       core.gvfs
 
       nix.nix
diff --git a/hosts/nixdesk/home.nix b/hosts/nixdesk/home.nix
index e31e92e..f8c5216 100644
--- a/hosts/nixdesk/home.nix
+++ b/hosts/nixdesk/home.nix
@@ -45,6 +45,7 @@
     develop.langs.js
     develop.langs.rust
     develop.langs.elixir
+    develop.langs.python
     develop.langs.nix
     develop.langs.zig
     develop.langs.lua
diff --git a/pkgs/default.nix b/pkgs/default.nix
index 12662d5..14e3fbf 100644
--- a/pkgs/default.nix
+++ b/pkgs/default.nix
@@ -5,5 +5,6 @@
     cartograph-cf = pkgs.callPackage ./cartograph-cf {};
     keyboard-state = pkgs.callPackage ./keyboard-state {};
     audio-abtest = pkgs.callPackage ./audio-abtest {};
+    miao-battery-percentage = pkgs.callPackage ./miao-battery-percentage {};
   };
 }
diff --git a/pkgs/miao-battery-percentage/default.nix b/pkgs/miao-battery-percentage/default.nix
new file mode 100644
index 0000000..6a6fe14
--- /dev/null
+++ b/pkgs/miao-battery-percentage/default.nix
@@ -0,0 +1,23 @@
+{
+  rustPlatform,
+  pkg-config,
+  udev,
+  fetchFromGitHub,
+}:
+rustPlatform.buildRustPackage rec {
+  pname = "miao-battery-percentage";
+  version = "0.1.0";
+
+  src = fetchFromGitHub {
+    owner = "xunuwu";
+    repo = "miao-battery-percentage";
+    rev = "e14e72dce9d946503676121759ce6130e42bb637";
+    hash = "sha256-NXJv8dChKPv695XMvmm+Xh0VJ1jdRhbdGMCM0LVIiD8=";
+  };
+  cargoLock.lockFile = "${src}/Cargo.lock";
+
+  nativeBuildInputs = [pkg-config];
+  buildInputs = [udev];
+
+  meta.mainProgram = "miao-battery-percentage";
+}
diff --git a/sys/profiles/core/docs.nix b/sys/profiles/core/docs.nix
index 576e099..ccb1e12 100644
--- a/sys/profiles/core/docs.nix
+++ b/sys/profiles/core/docs.nix
@@ -1,7 +1,7 @@
 {pkgs, ...}: {
   documentation = {
     dev.enable = true;
-    # man.generateCaches = true; # this does slow down builds by quite a lot
+    man.generateCaches = false; # this does slow down builds by quite a lot
   };
   environment.systemPackages = with pkgs; [
     linux-manual