Downgrade kernel to 6.18LTS

Added themes, fixed kanshi, some emacs changes

machines/fujin/hardware-configuration.nix

@@ -26,7 +26,7 @@
       kernelModules = [ ];
     };
     kernelModules = [ "kvm-amd" ];
-    kernelPackages = pkgs.linuxPackages_latest;
+    kernelPackages = pkgs.linuxPackages_6_18;
 
     # allow perf as user | needed for intellij to run profiler
     kernel.sysctl."kernel.perf_event_paranoid" = 1;

machines/fujin/main/default.nix

@@ -110,6 +110,8 @@
     display-manager.ly.enable = true;
 
     gaming.enable = true;
+
+    dynamic-theme.enable = true;
   };
 
   ###
@@ -126,7 +128,7 @@
 
   stylix = {
     enable = true;
-    base16Scheme = "${pkgs.base16-schemes}/share/themes/gruvbox-dark-hard.yaml";
+    # base16Scheme managed by dov.dynamic-theme module
 
     fonts = {
       serif = {

machines/fujin/main/dotfiles/.config/doom/config.el

@@ -367,6 +367,31 @@ Must be called BEFORE jdtls starts. Sets global lsp-java-vmargs."
 ;; Enable LSP for nix-mode
 (add-hook! 'nix-mode-hook #'lsp-deferred)
 
+;; Protobuf configuration
+(use-package! protobuf-mode
+  :mode "\\.proto\\'"
+  :hook (protobuf-mode . lsp-deferred)
+  :config
+  ;; Custom indentation (2 spaces, no tabs)
+  (defconst my-protobuf-style
+    '((c-basic-offset . 2)
+      (indent-tabs-mode . nil)))
+  (add-hook 'protobuf-mode-hook
+            (lambda () (c-add-style "my-protobuf-style" my-protobuf-style t))))
+
+;; Register buf LSP client for protobuf
+(after! lsp-mode
+  (lsp-register-client
+   (make-lsp-client :new-connection (lsp-stdio-connection '("buf" "lsp" "serve"))
+                    :activation-fn (lsp-activate-on "protobuf")
+                    :language-id "protobuf"
+                    :priority 1
+                    :server-id 'buf-lsp)))
+
 (after! treemacs
-    (setq treemacs-collapse-dirs 3)
-  )
+    (setq treemacs-collapse-dirs 3))
+
+;; Prevent evil-jumps-history from corrupting savehist
+;; (it contains markers/buffers that can't serialize properly)
+(after! savehist
+  (add-to-list 'savehist-ignored-variables 'evil-jumps-history))

machines/fujin/main/dotfiles/.config/doom/packages.el

@@ -56,3 +56,5 @@
 (package! web-server)
 
 (package! just-mode)
+
+(package! protobuf-mode)

machines/fujin/main/home.nix

@@ -68,6 +68,8 @@
     };
 
     notification.mako.enable = true;
+
+    dynamic-theme.enable = true;
   };
 
   programs = {