diff --git a/.sops.yaml b/.sops.yaml
index f0f8c30..2d580dd 100644
--- a/.sops.yaml
+++ b/.sops.yaml
@@ -6,6 +6,7 @@ keys:
     - &beleth age1xf86ak2hu5efux42au4x7wlxqpxqpuld7kd6nnr2qzhl662wy3vq940d4p
     - &lilith age13704a3s08stwndvduk2qsqmkg703utsn96ak3gzexggvrdx3cpxsrlx92n
     - &alastor age1cjglrl2qg7ursfradsspat4gz50pqgdj2dcjqngwx5rrf7el83mqj5vf4h
+    - &yosai age182mmgwl4w0qffsvjx0v200g3hp5xu478zrkcfvadzhz6u5aqmuvsswmr6z
 
 creation_rules:
   - path_regex: secrets.yaml$
@@ -16,3 +17,4 @@ creation_rules:
       - *beleth
       - *lilith
       - *alastor
+      - *yosai
diff --git a/flake.lock b/flake.lock
index 2cf9189..e3af3ff 100644
--- a/flake.lock
+++ b/flake.lock
@@ -106,7 +106,6 @@
       "locked": {
         "lastModified": 1712250545,
         "narHash": "sha256-HfJfLMciW1Xmu6rQDDNAHCWWvAJDXS3F8eBvYRIygB8=",
-        "ref": "refs/heads/main",
         "rev": "577d8da6d17dad5f847795582ebf813f3c5c04a7",
         "revCount": 1159,
         "type": "git",
@@ -125,11 +124,11 @@
       },
       "locked": {
         "dir": "pkgs/firefox-addons",
-        "lastModified": 1730952203,
-        "narHash": "sha256-iLs5wy7AyF7+vhnRyWZuQQRl1oX0YNF/yCS/nFxFr9Q=",
+        "lastModified": 1731038603,
+        "narHash": "sha256-4eJQfKZnMwy7Y2bFHqw/mpZjsPWrXfITmgTLPGmfl/w=",
         "owner": "rycee",
         "repo": "nur-expressions",
-        "rev": "045b65b4a6812498a04df7704cbf1550bdf125ae",
+        "rev": "674763b3eb6f0bdfa1f987984711bd3f33efc7bf",
         "type": "gitlab"
       },
       "original": {
@@ -638,11 +637,11 @@
     },
     "nixpkgs-master": {
       "locked": {
-        "lastModified": 1731021573,
-        "narHash": "sha256-+mkGFp2FrO/HA4YO2ZnDVGOMsAKoDs67CmF7SVi7E5E=",
+        "lastModified": 1731063671,
+        "narHash": "sha256-G9isy07QuQNW3omD6MNzz6RyrwvCRffUvad+X6Nwzx4=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "68ed257875da2037398cc7bcf3071ee1494c52ee",
+        "rev": "6011527ff3414becb450a595b23273bc2fab1e32",
         "type": "github"
       },
       "original": {
@@ -936,11 +935,11 @@
         "nixpkgs-stable": "nixpkgs-stable_2"
       },
       "locked": {
-        "lastModified": 1731008979,
-        "narHash": "sha256-yN1NxvmqV8UltLkqYBWTeZNgpD/eyh/7LM58caHiEfE=",
+        "lastModified": 1731047660,
+        "narHash": "sha256-iyp51lPWEQz4c5VH9bVbAuBcFP4crETU2QJYh5V0NYA=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "fe63071416471abdab06caa234122932a7c4b980",
+        "rev": "60e1bce1999f126e3b16ef45f89f72f0c3f8d16f",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index de7837c..3e8db58 100644
--- a/flake.nix
+++ b/flake.nix
@@ -39,6 +39,7 @@
     };
     firefox-addons.url = "gitlab:rycee/nur-expressions?dir=pkgs/firefox-addons";
     nixos-hardware.url = "github:NixOS/nixos-hardware/master";
+    #nixpkgs-nixvim.url = "github:NixOS/nixpkgs/fbd188864020b9a1226d35b9df1fe465e1f378c1";
     nixvim = {
       url = "github:nix-community/nixvim";
       inputs.nixpkgs.follows = "nixpkgs";
diff --git a/home/modules/nixvim.nix b/home/modules/nixvim.nix
index 7b6e399..83f3435 100644
--- a/home/modules/nixvim.nix
+++ b/home/modules/nixvim.nix
@@ -13,7 +13,6 @@
     opts = {
       colorcolumn = "80";
     };
-    # extraPlugins = with pkgs.vimPlugins; [headlines-nvim];
     extraPlugins = with pkgs.vimPlugins; [
       aerial-nvim
     ];
diff --git a/hosts/x86_64-linux/yosai/default.nix b/hosts/x86_64-linux/yosai/default.nix
index f1e62da..d265719 100644
--- a/hosts/x86_64-linux/yosai/default.nix
+++ b/hosts/x86_64-linux/yosai/default.nix
@@ -34,6 +34,11 @@
 
   programs.dconf.enable = true;
 
+  security.pam.services.swaylock = {};
+
+  services.udev.packages = [pkgs.yubikey-personalization];
+  services.pcscd.enable = true;
+
   networking.hostName = "yosai"; # Define your hostname.
   # Pick only one of the below networking options.
   # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
diff --git a/secrets.yaml b/secrets.yaml
index 9b8b1d8..d9ef6fb 100644
--- a/secrets.yaml
+++ b/secrets.yaml
@@ -19,47 +19,56 @@ sops:
         - recipient: age1jmqdy4ntgmunnh485qcvxg9yvc2rcvrwf8nq0jg8n4c5al7sza2qq3c80d
           enc: |
             -----BEGIN AGE ENCRYPTED FILE-----
-            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBidmh4azUxcDNIVlZIelF0
-            dVYyWWluZThjOUVyWWp1WERWVmRPSzJVT2gwClBTVlArb0lUVXk4MWdXM0pKYU1B
-            ZklqWHFsMGVnYTNmaFJFOVk1ZU02emMKLS0tIDJFODZXcXpzc0daSVdMblEyNjJn
-            d1BHQW5HVi92VWtMZGM5SDJvRi9LY0kK2B1mQt5c/WJpCGH01PIKdt4oZKsbwG3F
-            P6J/Cghl5qFn6uCS2NFvFRGvPLZ/TvoREWdI5kznpLKQkYkQ+mTiOQ==
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBwVGlqQVBIWkZHZlBHbjUw
+            L3JaSk5odVg5eWZPK2NSSkdIaXM3NjdPWlV3CkhxcmNsMm1JWnNsczVmMUxKRDhM
+            cVNIQTMwd0ErdFZ0Ykp6QXhTREtFeG8KLS0tIE52K21WakRpOTBjRVJtd2lIajl4
+            bVNjVGMyWGYwOHp6ZkJkdlhmRDAyQXMKOjhJyV7vL7Lyh9WlGpCOxQHDKtkDAhZx
+            FtEQti4Ch70fqiCdVtBPKkT5/6IVcxrsZtit+OJcsnvMWSGLhQCuOQ==
             -----END AGE ENCRYPTED FILE-----
         - recipient: age1lznc3dadzpc7vllpvnpdf8samadleep7sxfg0dnpzwl0nngzdv7suu73rh
           enc: |
             -----BEGIN AGE ENCRYPTED FILE-----
-            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBQZXg0STZIbVFEZ2hpM2lB
-            VmRaaEJ0ZmNOV1NkdE9MQWhBTCtzSTJBZkE4CkZwazgzdWNETmF0V2s1c1c4djFR
-            TkZ5T1dKdnZWSmZBSHprRXhDOVp0cEEKLS0tIEFVQ05MSXRYU2J0U2ZPcUJYcjky
-            VU0wZlJCam9TcDF3bzg4RHFmM2R1WTgK3LaiOOTl+MoqGvbm7Q4Dmw22//qlAyHC
-            y0cclA26+HXUq+RhyE8FS/O7fRENufUqIKTurjioxhikfRYg7dWEtA==
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBXT0JjRm16M1lJWFBhZ3Bs
+            RkVkcHJuQmVic0E2UmhnNHFEYzVMWnBQMFYwCmoxQXM0MlV6VysrQTVLVWZZRjQ3
+            alRjYlBmTkFpaWo4OGtVeVdRTWdVSXcKLS0tIGFxR0ZNSjdSU0FtaDYvN1I3Vlg4
+            N0xSQU50NUtQY2hPeDJyS1VGOHYzOTgKxhAcU1ivpPZooB4KQ5fKE4qTCdkF5sez
+            HKm2ooNGClmsw4hBrVFjV6+YXwSOTZC9HzjuTNZEbCqhrezS8KKsMA==
             -----END AGE ENCRYPTED FILE-----
         - recipient: age1xf86ak2hu5efux42au4x7wlxqpxqpuld7kd6nnr2qzhl662wy3vq940d4p
           enc: |
             -----BEGIN AGE ENCRYPTED FILE-----
-            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSA3UU5HNi8zTXB0S3NYcjFx
-            S3pXYUdOcWNWVEJPMGNmK2phTm9KZjA3QkZRCkFud3JWOHhJMGpBcm53cU1YczJ1
-            UHlMN0ZiemtIQ2xzNXR4V0tOejhvOGsKLS0tIDFmRlNQaVlEbXlCSUU1ZkZ2QkhW
-            V3dsNWxPV2t1S0V3VXp3eklnbnRYUkUKgRIzCxvJldGFv5SKD2xVEX35ix4UYmlX
-            4cB96eg4ro3JITGSG69B4ENQkA5jqdTXHRZRXTff9aqeMphJvHgCAQ==
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSAyRDg4Qi83VUp5WnlVYTl0
+            UWVGTnZhOVZqcHJzdDRrdzFlNlIzWlVXZHl3ClBFUFgwK1UyQUdTZVMwTlMrSFZC
+            VmFrOThLVEJqNVV5aU5yKzhkMmRNREkKLS0tIHREL0d4Yk5ZUkN3MlQvdkdYa2ZE
+            VlZwY2YyT2MxSGQyaVVTYXdXdDN2WU0KSx3EV/IGylQmbfBKv3lVDbgqho4n/yqh
+            oaKmjI/mL4x8ckDLQ7GxnH8XwEuGaZS3cSUO/OUjk4UgFC6FY1dPzg==
             -----END AGE ENCRYPTED FILE-----
         - recipient: age13704a3s08stwndvduk2qsqmkg703utsn96ak3gzexggvrdx3cpxsrlx92n
           enc: |
             -----BEGIN AGE ENCRYPTED FILE-----
-            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBxbmg2VnQ5ckdBa0F4RkZC
-            VEp5S1BLR1FVRUJmbmFUUHNhWWFkMXpzelNVCm5aNFN2Z2hWdk5FTEdzQWw3V0VU
-            K29Bc0IwaGlrSjA4WmpmSWNUN01XakUKLS0tIHF3MEs2SkxtTmdZOTJMQjh3OGJs
-            dSs3WEkvb3UrQVlndmtnVGszQml4cTgKgrjhyskecDjNvvfy+Qi/nahvYEEkFVoz
-            UGsxH/JNVXY2VUh1JI3x2qdCRrbTz8iSvLdbnGdB09Upoj9AboPkHA==
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSA1OTBVVzN3V2VEU245SS9O
+            WTZGanNDSUVsM3VqYUZVc2Z4ZmZXS2xsVVJBCkhKY0RNS1IvYWRFdS8zZFpyWEJZ
+            dit0TXRqb01xVmFLQ21JMm1oT0haY2MKLS0tIGpYY09JZkorc0VJemVXcFVvZitx
+            QUNhU0FPU2xvTC95dk9aVkNPNDdNelEK/nPBxNdWWwhOVMjKS/IxLuGXBdRVJcAg
+            VRGpNqDFjpmf7IMGEmGvH77NPGbg89DTuOg6xnNEDkbc522k4vuIVw==
             -----END AGE ENCRYPTED FILE-----
         - recipient: age1cjglrl2qg7ursfradsspat4gz50pqgdj2dcjqngwx5rrf7el83mqj5vf4h
           enc: |
             -----BEGIN AGE ENCRYPTED FILE-----
-            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBBNjJ2aXgwOUtpVzFwU1la
-            N09kblN1WHZIYi9FaXVzY1VCRTJmdkVZWDFzClJFM3c4R0kzYU1GWmpyR0Eyalgw
-            VVl6NTNJZzJkdm5uR3NGcGh0Qm1KV1UKLS0tIDBUL0VDNUswc2t0T2dyZHNSellV
-            a2ZHZmQ0dEVMZFlJRENmU2lGejFuMzAKOO3kTP/VWRYn5CrwPyjUIGS7kjxPvNYZ
-            HMt+cCG9FYeJdqPpHWiM0TeHYUG0h7XlltIMg7KhE4Qj/GARegmuZQ==
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBNeE9RMndsc1BZeG5OUHZE
+            ZkJ2eTlIS0s1TExub1dOV1BUSHFONFViVmd3CjR6d015M2Mra25LQTEwOVRjQTF4
+            MGVEdTZXMzNOZXFHaTdXR2c3NTluWk0KLS0tIFg2MW10UW05Wm1iQUdsWVB1cGZr
+            c1NmQzVtRmtQMy85TURoMkQ5QUN6VDQKe3TxnxA/aMqml/9Dt38J/ThhLdPJFObR
+            wE4UITAKmeelt3tAIl5Da+jZp1dSCYIulwDla280KXgmJg3rJbHKxQ==
+            -----END AGE ENCRYPTED FILE-----
+        - recipient: age182mmgwl4w0qffsvjx0v200g3hp5xu478zrkcfvadzhz6u5aqmuvsswmr6z
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSB2RGtGeEpBYkthVFcvcDBO
+            Slhob1R3c0pabVVsT1dTL3A1T0hQSjZpV1IwCms1YXI4c0xlOXBQME9pTTZZZHpI
+            eTA3dDBGWnMxT01qamhOS2o4U2VhZGMKLS0tIE1kMTNRUmdOdjI4ZElRK3pzdkpO
+            VGtmR3doRnppdVVXMVhsZXpQZWZISlkKSS7vbqi2XCewPlYNTpkHiJmoL9vOKH6y
+            uO0HiakJeBuxji7v40hyBtTYsdJcm/TtCZeGk/NwGW8GBGe3LCd29g==
             -----END AGE ENCRYPTED FILE-----
     lastmodified: "2024-11-02T00:28:02Z"
     mac: ENC[AES256_GCM,data:RUNKE1JPIOO+LTOXWSIPTBl7/lJBcjjwl1GtVB4NOBMkdVOCVZlAm/HNqm8Wwupv8J5MFaf7DBjpJXu0COWOZ+/GEoVI4cuvsUeyYClOONdY90+9ymbKoxdYue7CM6WjKuCGDDYDpthPvAaxeWOKs4bRTyJqU5f05S/d++0hJZE=,iv:wMksKbpnnX4ET2CZ4YkmRv9g8NBaSydq+H3XpK08OOw=,tag:P+/N77yYr9SBByu5YbZeWw==,type:str]