refactor(flake.lock): remove obsolete nixpkgs_5 entry and update nixvim inputs

flake.lock

@@ -389,26 +389,12 @@
         "type": "github"
       }
     },
-    "nixpkgs_5": {
-      "locked": {
-        "lastModified": 1787631388,
-        "narHash": "sha256-vMiXptXarfSdJb1Gkc+FYVOAibuBRj7qxGa8z68q1Uw=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "ac6b2166e7a9375683b8e98f860f273222337b16",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
     "nixvim": {
       "inputs": {
         "flake-parts": "flake-parts_2",
-        "nixpkgs": "nixpkgs_5",
+        "nixpkgs": [
+          "nixpkgs"
+        ],
         "systems": "systems_3"
       },
       "locked": {

flake.nix

@@ -21,7 +21,10 @@
       url = "github:gmodena/nix-flatpak/?ref=latest";
     };
     vscode-server.url = "github:nix-community/nixos-vscode-server";
-    nixvim.url = "github:nix-community/nixvim";
+    nixvim = {
+      url = "github:nix-community/nixvim";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
     llm-agents.url = "github:numtide/llm-agents.nix";
     nix-vscode-extensions.url = "github:nix-community/nix-vscode-extensions";
     agenix = {

home/emmatherock/agents.nix

@@ -7,6 +7,8 @@ in
   home.packages = with agents; [
     gemini-cli
     codex
+    codex-acp
     claude-code
+    claude-agent-acp
   ];
 }

home/emmatherock/neovim.nix

@@ -186,6 +186,9 @@
       python3Packages.black
       prettier
       nixpkgs-fmt
+      file
+      ripgrep
+      sqlite
     ];
 
     keymaps = [