Update nixpkgs-unstable to fix tree-sitter-razor

tree-sitter-razor was marked as broken in the previous lock, causing
nix flake check to fail on nix-deck. The grammar has been fixed upstream.

AGENTS.md

@@ -172,6 +172,32 @@ Creates an ISO suitable for Ventoy and other USB boot tools in `./result/iso/`.
 - **Garbage collection**: Automatic, deletes older than 10 days
 - **Unfree packages**: Allowed globally
 
+## Issue Tracking (Gitea)
+
+**Tea CLI for Gitea:**
+```bash
+# Note: When using tea CLI, you must specify --repo johno/nixos-configs
+# The CLI doesn't automatically detect the repo from git remote
+
+# List all issues (open by default)
+tea issues --repo johno/nixos-configs
+
+# List closed issues
+tea issues --repo johno/nixos-configs --state closed
+
+# View specific issue
+tea issue --repo johno/nixos-configs 2
+
+# Create new issue
+tea issues create --repo johno/nixos-configs --title "Issue title" --body "Description"
+
+# Add comment to issue
+tea comment --repo johno/nixos-configs 2 "Comment text"
+
+# Close issue (note: 'issues' is plural, issue number comes last)
+tea issues close --repo johno/nixos-configs 2
+```
+
 ## Important Notes
 
 - **Sudo access**: Claude Code does not have sudo access. Ask the user to run elevated commands like `sudo nixos-rebuild switch`

flake.lock

@@ -180,11 +180,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1766070988,
-        "narHash": "sha256-G/WVghka6c4bAzMhTwT2vjLccg/awmHkdKSd2JrycLc=",
+        "lastModified": 1767379071,
+        "narHash": "sha256-EgE0pxsrW9jp9YFMkHL9JMXxcqi/OoumPJYwf+Okucw=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "c6245e83d836d0433170a16eb185cefe0572f8b8",
+        "rev": "fb7944c166a3b630f177938e478f0378e64ce108",
         "type": "github"
       },
       "original": {

machines/nix-book/configuration.nix

@@ -40,15 +40,14 @@
 
   boot.initrd.luks.devices."luks-b614167b-9045-4234-a441-ac6f60a96d81".device = "/dev/disk/by-uuid/b614167b-9045-4234-a441-ac6f60a96d81";
 
+  # S3 deep sleep broken on Alder Lake - use direct hibernate on lid close
   services.logind.settings.Login = {
-    HandleLidSwitch = "suspend-then-hibernate";
+    HandleLidSwitch = "hibernate";
+    HandleLidSwitchExternalPower = "hibernate";
+    HandleLidSwitchDocked = "hibernate";
     HandlePowerKey = "hibernate";
     HandlePowerKeyLongPress = "poweroff";
   };
-  systemd.sleep.extraConfig = ''
-    HibernateDelaySec=30m
-    SuspendState=mem
-  '';
 
   networking.hostName = "nix-book"; # Define your hostname.
   # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.