From 98b2f461cdbd24f536e0f9f44664ccd688d08500 Mon Sep 17 00:00:00 2001
From: Aner Zakobar <aner@zakobar.com>
Date: Mon, 5 Oct 2026 11:31:04 +0300
Subject: [PATCH] Leetcode and chess overhaul

---
 features/chess/default.nix          |  4 ++--
 features/chess/emacs/_pkg.nix       | 14 ++++++++++++++
 features/chess/emacs/config.org     | 29 +++++++++++++++++++++++++++++
 features/chess/emacs/default.nix    |  3 +++
 features/leetcode/default.nix       | 19 +++++++++++++++++++
 features/leetcode/emacs/_pkg.nix    | 14 ++++++++++++++
 features/leetcode/emacs/config.org  | 29 +++++++++++++++++++++++++++++
 features/leetcode/emacs/default.nix |  3 +++
 home-manager/home.nix               |  3 ++-
 9 files changed, 115 insertions(+), 3 deletions(-)
 create mode 100644 features/chess/emacs/_pkg.nix
 create mode 100644 features/chess/emacs/config.org
 create mode 100644 features/chess/emacs/default.nix
 create mode 100644 features/leetcode/default.nix
 create mode 100644 features/leetcode/emacs/_pkg.nix
 create mode 100644 features/leetcode/emacs/config.org
 create mode 100644 features/leetcode/emacs/default.nix

diff --git a/features/chess/default.nix b/features/chess/default.nix
index 813d9c0..8c82d40 100644
--- a/features/chess/default.nix
+++ b/features/chess/default.nix
@@ -32,8 +32,8 @@
     };
 
     config = lib.mkIf config.azos.chess.enable {
-      azos.emacs.pkgs = [pkgs.emacs-lichess];
-      azos.emacs.enabledSuites = ["lichess"];
+      azos.emacs.pkgs = [pkgs.azos-emacs-chess];
+      azos.emacs.enabledSuites = ["azos-emacs-chess"];
     };
   };
 }
diff --git a/features/chess/emacs/_pkg.nix b/features/chess/emacs/_pkg.nix
new file mode 100644
index 0000000..227ee7a
--- /dev/null
+++ b/features/chess/emacs/_pkg.nix
@@ -0,0 +1,14 @@
+{
+  orgTrivialBuild,
+  epkgs,
+  pkgs,
+}:
+orgTrivialBuild {
+  pname = "azos-emacs-chess";
+  version = "0.1.0";
+  src = ./config.org;
+  packageRequires = with epkgs; [
+    pkgs.azos-emacs-base
+    pkgs.emacs-lichess
+  ];
+}
diff --git a/features/chess/emacs/config.org b/features/chess/emacs/config.org
new file mode 100644
index 0000000..c52952f
--- /dev/null
+++ b/features/chess/emacs/config.org
@@ -0,0 +1,29 @@
+#+title: Aner's Emacs Chess Configuration
+#+property: header-args :results silent
+
+* Base setup
+** Require
+
+#+begin_src emacs-lisp
+(require 'azos-emacs-base)
+#+end_src
+
+* Lichess
+
+#+begin_src emacs-lisp
+(use-package lichess
+  :init
+  (defun azos/chess/open ()
+    "Open lichess in its dedicated \"chess\" tab."
+    (interactive)
+    (azos/tab-bar/open-singleton-tab "chess" #'lichess))
+  :bind
+  (:map azos/global-minor-mode/open-keymap
+        ("k" . azos/chess/open)))
+#+end_src
+
+* Provide
+
+#+begin_src emacs-lisp
+(provide 'azos-emacs-chess)
+#+end_src
diff --git a/features/chess/emacs/default.nix b/features/chess/emacs/default.nix
new file mode 100644
index 0000000..1936925
--- /dev/null
+++ b/features/chess/emacs/default.nix
@@ -0,0 +1,3 @@
+{...}: {
+  config.flake.overlayPkgs.azos-emacs-chess = pkgs: pkgs.localEmacsPkg ./_pkg.nix;
+}
diff --git a/features/leetcode/default.nix b/features/leetcode/default.nix
new file mode 100644
index 0000000..b644fff
--- /dev/null
+++ b/features/leetcode/default.nix
@@ -0,0 +1,19 @@
+{...}: {
+  config.flake.modules.homeManager.leetcode = {
+    lib,
+    config,
+    pkgs,
+    ...
+  }: {
+    options.azos.leetcode.enable = lib.mkOption {
+      default = false;
+      example = true;
+      type = lib.types.bool;
+    };
+
+    config = lib.mkIf config.azos.leetcode.enable {
+      azos.emacs.pkgs = [pkgs.azos-emacs-leetcode];
+      azos.emacs.enabledSuites = ["azos-emacs-leetcode"];
+    };
+  };
+}
diff --git a/features/leetcode/emacs/_pkg.nix b/features/leetcode/emacs/_pkg.nix
new file mode 100644
index 0000000..a3c6d10
--- /dev/null
+++ b/features/leetcode/emacs/_pkg.nix
@@ -0,0 +1,14 @@
+{
+  orgTrivialBuild,
+  epkgs,
+  pkgs,
+}:
+orgTrivialBuild {
+  pname = "azos-emacs-leetcode";
+  version = "0.1.0";
+  src = ./config.org;
+  packageRequires = with epkgs; [
+    pkgs.azos-emacs-base
+    leetcode
+  ];
+}
diff --git a/features/leetcode/emacs/config.org b/features/leetcode/emacs/config.org
new file mode 100644
index 0000000..6633d23
--- /dev/null
+++ b/features/leetcode/emacs/config.org
@@ -0,0 +1,29 @@
+#+title: Aner's Emacs Leetcode Configuration
+#+property: header-args :results silent
+
+* Base setup
+** Require
+
+#+begin_src emacs-lisp
+(require 'azos-emacs-base)
+#+end_src
+
+* Leetcode
+
+#+begin_src emacs-lisp
+(use-package leetcode
+  :init
+  (defun azos/leetcode/open ()
+    "Open leetcode in its dedicated \"leetcode\" tab."
+    (interactive)
+    (azos/tab-bar/open-singleton-tab "leetcode" #'leetcode))
+  :bind
+  (:map azos/global-minor-mode/open-keymap
+        ("L" . azos/leetcode/open)))
+#+end_src
+
+* Provide
+
+#+begin_src emacs-lisp
+(provide 'azos-emacs-leetcode)
+#+end_src
diff --git a/features/leetcode/emacs/default.nix b/features/leetcode/emacs/default.nix
new file mode 100644
index 0000000..b8b6477
--- /dev/null
+++ b/features/leetcode/emacs/default.nix
@@ -0,0 +1,3 @@
+{...}: {
+  config.flake.overlayPkgs.azos-emacs-leetcode = pkgs: pkgs.localEmacsPkg ./_pkg.nix;
+}
diff --git a/home-manager/home.nix b/home-manager/home.nix
index be486f4..4966298 100755
--- a/home-manager/home.nix
+++ b/home-manager/home.nix
@@ -35,12 +35,14 @@
     suiteModules.homeManager.ytdl
     suiteModules.homeManager.chess
     suiteModules.homeManager.homey-alert
+    suiteModules.homeManager.leetcode
   ];
 
   programs.home-manager.enable = true;
 
   azos.suites.lauretta.enable = true;
   azos.chess.enable = true;
+  azos.leetcode.enable = true;
   azos.name = "Aner Zakobar";
 
   azos.headphones.enable = true;
@@ -57,7 +59,6 @@
       mac = "E4:17:D8:29:9B:16";
       name = "8bitdo";
     }
-
   ];
   azos.roam-backup.enable = true;
   azos.homey-alert.enable = true;