various fixes

home/common/programs/claude/statusline.sh

@@ -31,7 +31,7 @@ if git -C "$DIR" rev-parse --git-dir > /dev/null 2>&1; then
     fi
 fi
 
-# Format cost
-COST_FMT=$(printf "%.2f" "$COST")
+# Format cost (force C locale so the decimal separator is always ".")
+COST_FMT=$(LC_NUMERIC=C printf "%.2f" "$COST")
 
 echo "YOLO$REPO_PATH$GIT_INFO | [$MODEL] | \$$COST_FMT | ${CONTEXT_USED}%"

home/common/programs/desktop/darkman.nix

@@ -24,13 +24,6 @@
         # Update Hyprland cursor theme
         ${pkgs.hyprland}/bin/hyprctl setcursor Nordzy-cursors 24
       '';
-      claude-theme = ''
-        # Switch Claude Code to dark theme
-        CLAUDE_CONFIG=~/.claude.json
-        if [ -f "$CLAUDE_CONFIG" ]; then
-          ${pkgs.jq}/bin/jq '.theme = "dark"' "$CLAUDE_CONFIG" > "$CLAUDE_CONFIG.tmp" && mv "$CLAUDE_CONFIG.tmp" "$CLAUDE_CONFIG"
-        fi
-      '';
       noctalia-theme = ''
         noctalia msg theme-mode-set dark
       '';
@@ -53,13 +46,6 @@
         # Update Hyprland cursor theme
         ${pkgs.hyprland}/bin/hyprctl setcursor Nordzy-white 24
       '';
-      claude-theme = ''
-        # Switch Claude Code to light theme
-        CLAUDE_CONFIG=~/.claude.json
-        if [ -f "$CLAUDE_CONFIG" ]; then
-          ${pkgs.jq}/bin/jq '.theme = "light"' "$CLAUDE_CONFIG" > "$CLAUDE_CONFIG.tmp" && mv "$CLAUDE_CONFIG.tmp" "$CLAUDE_CONFIG"
-        fi
-      '';
       noctalia-theme = ''
         noctalia msg theme-mode-set light
       '';

home/common/programs/desktop/default.nix

@@ -59,6 +59,8 @@
       name = "Orchis-Dark-Compact";
       package = pkgs.orchis-theme;
     };
+    # Keep applying the gtk3 theme to gtk4 too (new default is null).
+    gtk4.theme = config.gtk.theme;
     iconTheme = {
       name = "Tela black";
       package = pkgs.tela-icon-theme;

home/common/programs/gpg.nix

@@ -15,6 +15,9 @@
   services.gpg-agent = {
     enable = true;
     pinentry.package = pkgs.pinentry-gnome3;
+    # Use gpg-agent as the ssh-agent so AddKeysToAgent ("yes") in ssh.nix
+    # has an agent to load keys into.
+    enableSshSupport = true;
   };
 
   programs.password-store = {

home/common/programs/hyprland/default.nix

@@ -44,12 +44,18 @@ in
 
     home.sessionVariables = {
       ELECTRON_OZONE_PLATFORM_HINT = "auto";
+      # WebKitGTK (Tauri apps) renders blank/crashes on the DMABUF path across
+      # many GPU/driver combos; disable it on all hosts.
+      WEBKIT_DISABLE_DMABUF_RENDERER = "1";
     };
 
     wayland.windowManager.hyprland = {
       enable = true;
       package = null;
       portalPackage = null;
+      # Keep the hyprlang config format (the new default is "lua"); our
+      # settings are written as hyprlang.
+      configType = "hyprlang";
       plugins = [ ];
       settings = {
         plugin = {

home/common/programs/hyprland/noctalia/default.nix

@@ -53,7 +53,6 @@ in
             "gtk3"
             "gtk4"
             "hyprland"
-            "kitty"
             "qt"
           ];
         };

home/common/programs/kitty/default.nix

@@ -36,6 +36,8 @@ in
 {
   programs.kitty = {
     enable = true;
+    # Fixed theme — noctalia no longer toggles kitty with dark/light mode.
+    themeFile = "Catppuccin-Mocha";
     settings = {
       confirm_os_window_close = 0;
       cursor_trail = 1;
@@ -101,7 +103,6 @@ in
     };
 
     extraConfig = ''
-      include themes/noctalia.conf
       cursor_shape block
     '';
   };

home/common/programs/ssh.nix

@@ -2,10 +2,34 @@
 {
   programs.ssh = {
     enable = true;
-    matchBlocks = {
+
+    # Opt out of the soon-to-be-removed implicit `settings."*"` defaults.
+    # They only ever matched OpenSSH's own defaults, so nothing is lost.
+    enableDefaultConfig = false;
+
+    # `settings` is a freeform block set: attribute names are Host/Match
+    # patterns, values use OpenSSH directive names directly.
+    settings = {
+      "*" = {
+        # Connection multiplexing — reuse one TCP/auth connection for
+        # repeated ssh/git/scp to the same host. `%C` is a hash, so no
+        # parent directory needs pre-creating.
+        ControlMaster = "auto";
+        ControlPath = "~/.ssh/control-%C";
+        ControlPersist = "10m";
+
+        # Keep idle sessions alive; drop genuinely dead ones after ~3 min.
+        ServerAliveInterval = 60;
+        ServerAliveCountMax = 3;
+
+        # Load the key into the (gpg-)agent on first use — passphrase once
+        # per session. Requires services.gpg-agent.enableSshSupport.
+        AddKeysToAgent = "yes";
+      };
+
       "yolo" = {
-        hostname = "10.7.10.2";
-        remoteForwards = [
+        HostName = "10.7.10.2";
+        RemoteForward = [
           {
             bind.port = 9222;
             host.address = "localhost";