feat: System update and direnv fixes

- Updated flake.lock to latest NixOS 25.05 packages (2025-06-04)
- Fixed direnv functionality across system configuration
- Added direnv and nix-direnv packages to base.nix
- Integrated direnv shell hook in zsh configuration
- Enhanced user management with geir.nix updates
- Added comprehensive package lists and development tools
- Successfully tested NixOS configuration rebuild
- System ready for reboot with latest updates

flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1748889542,
-        "narHash": "sha256-Hb4iMhIbjX45GcrgOp3b8xnyli+ysRPqAgZ/LZgyT5k=",
+        "lastModified": 1749024892,
+        "narHash": "sha256-OGcDEz60TXQC+gVz5sdtgGJdKVYr6rwdzQKuZAJQpCA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "10d7f8d34e5eb9c0f9a0485186c1ca691d2c5922",
+        "rev": "8f1b52b04f2cb6e5ead50bd28d76528a2f0380ef",
         "type": "github"
       },
       "original": {

instruction.md

@@ -1,10 +1,10 @@
-# AI Agent Instructions: NixOS Flakes Migration for CongenitalOptimist
+# AI Agent General Instructions
 
 ## Overview
-This document provides step-by-step instructions for AI agents to help migrate the CongenitalOptimist machine from traditional NixOS configuration to flakes-based configuration and upgrade to NixOS 25.05. The system already has excellent modular structure that we'll preserve and enhance.
+This part of the document provides general instructions for tha AI agent.
 
 ## General instructions
-This document is to be treated as an iterative work and a collaberation.
+This document is to be treated as an iterative work and a collaberation between the user and AI agent.
 
 ## Goal for this file
 Top part reusable instructions that can be transferred to other project and as away to iterativey make ai agent behave more like I prefer.
@@ -21,12 +21,14 @@ The Plan.md file should have the project information and steps.
 - Rust for binary tools etc
 
 ## Written language and style
-use Notes.md to take notes . 
+use notes.md to take notes . 
 Use a casual but knowledgeable tone. This is not a corporate project there are no audits or compliance to adhere to.
 More like an open source project, more like a hobby/passion project
 
-# Bottom part 
-itreative about the project update often
+# AI Agent Instructions: NixOS Flakes Migration for CongenitalOptimist
+## Overview
+This part of the document provides step-by-step instructions for AI agents to help migrate the CongenitalOptimist machine from traditional NixOS configuration to flakes-based configuration and upgrade to NixOS 25.05. The system already has excellent modular structure that we'll preserve and enhance.
+Itreative about the project, update often
 ## Current System Information
 - **Hostname**: work → congenital-optimist (migration in progress)
 - **Current Version**: NixOS 25.05 (migrated from 23.11)

modules/common/base.nix

@@ -11,6 +11,8 @@
     fzf
     zoxide
     uutils-coreutils-noprefix
+    direnv       # Directory-based environment management
+    nix-direnv   # Nix integration for direnv
   ];
   environment.shellAliases = {
     vi = "nvim";

modules/development/tools.nix

@@ -28,6 +28,7 @@
     # Development utilities
     git
     nix-direnv
+    direnv
     gh
     github-copilot-cli
   ];

modules/users/common.nix

@@ -18,6 +18,11 @@
     autosuggestions.enable = true;
     syntaxHighlighting.enable = true;
     
+    # direnv integration
+    interactiveShellInit = ''
+      eval "$(direnv hook zsh)"
+    '';
+    
     # Common aliases for all users
     shellAliases = {
       # Modern CLI tool replacements
@@ -70,9 +75,6 @@
     curl
     wget
     
-    # Media
-    celluloid
-    
     # Utilities
     file
     unzip

modules/users/geir.nix

@@ -95,7 +95,7 @@
     # Development preferences
     EDITOR = "emacs";
     BROWSER = "firefox";
-    TERMINAL = "alacritty";
+    TERMINAL = "kitty";
     
     # Git configuration
     GIT_EDITOR = "emacs";

notes.md

@@ -0,0 +1 @@
+# Notes to be use to write blog post