Remove kutu flake and cleanup.

flake.lock

@@ -20,41 +20,7 @@
         "type": "github"
       }
     },
-    "kutu": {
-      "inputs": {
-        "nixpkgs": "nixpkgs"
-      },
-      "locked": {
-        "lastModified": 1783461814,
-        "narHash": "sha256-ycpzjXjMey4PlAFYeprz2nHI2azxkvEn3wNvHee+Yh0=",
-        "ref": "refs/heads/main",
-        "rev": "4b8599132f26d75bddfe613bcf9697ce0f91d212",
-        "revCount": 40,
-        "type": "git",
-        "url": "https://git.syedm.dev/syedm/kutu.rb.git"
-      },
-      "original": {
-        "type": "git",
-        "url": "https://git.syedm.dev/syedm/kutu.rb.git"
-      }
-    },
     "nixpkgs": {
-      "locked": {
-        "lastModified": 1783148766,
-        "narHash": "sha256-uslt2pqShTIXDdAHRHv2QkYLsVdY8Oqwz0EA48/RSM8=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "a50de1b7d8a586adc18d2395c19de7d6058e6030",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixos-26.05",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs_2": {
       "locked": {
         "lastModified": 1788179007,
         "narHash": "sha256-hn1oU2rue2SYK8dAr8+WNZWtbsz1S2W5mnHlSEuh3bo=",
@@ -73,8 +39,7 @@
     "root": {
       "inputs": {
         "home-manager": "home-manager",
-        "kutu": "kutu",
+        "nixpkgs": "nixpkgs"
-        "nixpkgs": "nixpkgs_2"
       }
     }
   },

flake.nix

@@ -2,8 +2,6 @@
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
 
-    kutu.url = "git+https://git.syedm.dev/syedm/kutu.rb.git";
-
     home-manager = {
       url = "github:nix-community/home-manager";
       inputs.nixpkgs.follows = "nixpkgs";
@@ -12,7 +10,6 @@
 
   outputs =
     {
-      kutu,
       nixpkgs,
       home-manager,
       ...
@@ -42,7 +39,6 @@
 
         tardis = nixpkgs.lib.nixosSystem {
           inherit system;
-          specialArgs = { inherit kutu; };
           modules = commonModules ++ [
             ./hosts/tardis
             { home-manager.users.me = import ./home/tardis.nix; }

home/kutu/config.rb

@@ -1,3 +1,135 @@
+# ==== State ====
+
+MAX_PROJECTS = 9
+SUBS         = 2   # workspaces per project
+
+$current_project = 1   # 1..MAX_PROJECTS
+$current_sub     = 0   # 0..SUBS-1
+
+# For each special workspace, remembers which workspace you were on
+# before you jumped into it -- so hitting the mode key again toggles back.
+$special_origin = {}
+
+SPECIAL = {
+  terminal: { cmd: "kitty"   },
+  browser:  { cmd: "firefox" },
+  music:    { cmd: "spotify" },
+  misc:     { cmd: nil       },  # doesn't start anything
+  todo:     { cmd: nil       },  # doesn't start anything
+}
+
+# ==== Helpers ====
+
+def project_ws(n, sub)
+  :"p#{n}_#{sub}"
+end
+
+def running?(process)
+  system("pgrep #{process} > /dev/null 2>&1")
+end
+
+def go_project(n, sub)
+  $current_project = n
+  $current_sub     = sub
+  jump_ws project_ws(n, sub)
+end
+
+def in_project?(ws)
+  !SPECIAL.key?(ws)
+end
+
+# Toggle between a special-mode workspace (terminal/browser/music/misc/todo)
+# and whatever workspace you were last on. Starts the associated app if
+# it isn't already running. `ws` is the current workspace, passed in by
+# the bind block (bind gives us (window, current_ws)).
+def go_special(name, ws)
+  cfg = SPECIAL.fetch(name)
+
+  if ws == name
+    target = $special_origin[name] || project_ws($current_project, $current_sub)
+    jump_ws target
+  else
+    $special_origin[name] = ws
+    jump_ws name
+    system("#{cfg[:cmd]} >/dev/null 2>&1 &") if cfg[:cmd] && !running?(cfg[:cmd])
+  end
+end
+
+# ==== Untouched bindings ====
+
+bind ?q do |x|
+  kill x
+end
+
+bind ?w do
+  system "kitty >/dev/null 2>&1 &"
+end
+
+bind ?e do
+  exit
+end
+
+bind ?f do |x|
+  toggle_float x
+end
+
+# ==== Mode switches ====
+
+bind ?[ do |_, ws|
+  go_special :terminal, ws
+end
+
+bind ?] do |_, ws|
+  go_special :misc, ws
+end
+
+bind "tab" do |_, ws|
+  go_special :browser, ws
+end
+
+bind 89 do |_, ws|
+  go_special :music, ws
+end
+
+bind 81 do |_, ws|
+  go_special :todo, ws
+end
+
+# ==== Project navigation ====
+
+(1..MAX_PROJECTS).each do |n|
+  bind n.to_s do
+    go_project(n, $current_sub)
+  end
+end
+
+bind 86, :none do |_, ws|
+  next unless in_project?(ws)
+  n = (($current_project - 2) % MAX_PROJECTS) + 1
+  go_project(n, $current_sub)
+end
+
+bind 82, :none do |_, ws|
+  next unless in_project?(ws)
+  n = ($current_project % MAX_PROJECTS) + 1
+  go_project(n, $current_sub)
+end
+
+bind 79, :none do |_, ws|
+  next unless in_project?(ws)
+  go_project($current_project, ($current_sub + 1) % SUBS)
+end
+
+bind 80, :none do |_, ws|
+  next unless in_project?(ws)
+  go_project($current_project, ($current_sub - 1 + SUBS) % SUBS)
+end
+
+# ==== Startup ====
+
+go_project(1, 0)
+
+=begin
 run "bash @src@/startup.sh"
 
 bind_key 23, true, "firefox"
@@ -89,3 +221,4 @@ bind_mouse 8, true, :move_window_next_workspace
 
 bind_mouse 9, false, :workspace_previous
 bind_mouse 9, true, :move_window_previous_workspace
+=end

home/tardis.nix

@@ -12,7 +12,7 @@
 
   xsession = {
     enable = true;
-    windowManager.command = "kutu.rb";
+    windowManager.command = "kutu ~/main/ocaml/epq/config.rb";
   };
 
   home.file.".xinitrc".text = ''

hosts/tardis/default.nix

@@ -1,5 +1,4 @@
 {
-  kutu,
   lib,
   pkgs,
   ...
@@ -31,8 +30,6 @@
       lunar-client
       jdk21
       spotify
-
-      kutu.packages.${stdenv.hostPlatform.system}.default
     ]
   );
 

modules/ollama/default.nix

@@ -4,7 +4,10 @@
   services.ollama = {
     enable = true;
     package = pkgs.ollama-cuda;
-    loadModels = [ "deepseek-coder-v2:16b" "qwen3.5:9b" ];
+    loadModels = [
+      "deepseek-coder-v2:16b"
+      "qwen3.5:9b"
+    ];
     environmentVariables = {
       OLLAMA_KEEP_ALIVE = "20m";
     };