Update flake to unstable, add chromium/opencode modules, update emacs config

flake.lock

@@ -64,11 +64,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1770260404,
-        "narHash": "sha256-3iVX1+7YUIt23hBx1WZsUllhbmP2EnXrV8tCRbLxHc8=",
+        "lastModified": 1772020340,
+        "narHash": "sha256-aqBl3GNpCadMoJ/hVkWTijM1Aeilc278MjM+LA3jK6g=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "0d782ee42c86b196acff08acfbf41bb7d13eed5b",
+        "rev": "36e38ca0d9afe4c55405fdf22179a5212243eecc",
         "type": "github"
       },
       "original": {
@@ -98,11 +98,11 @@
     },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1771423359,
-        "narHash": "sha256-yRKJ7gpVmXbX2ZcA8nFi6CMPkJXZGjie2unsiMzj3Ig=",
+        "lastModified": 1771969195,
+        "narHash": "sha256-qwcDBtrRvJbrrnv1lf/pREQi8t2hWZxVAyeMo7/E9sw=",
         "owner": "NixOS",
         "repo": "nixos-hardware",
-        "rev": "740a22363033e9f1bb6270fbfb5a9574067af15b",
+        "rev": "41c6b421bdc301b2624486e11905c9af7b8ec68e",
         "type": "github"
       },
       "original": {
@@ -128,11 +128,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1771369470,
-        "narHash": "sha256-0NBlEBKkN3lufyvFegY4TYv5mCNHbi5OmBDrzihbBMQ=",
+        "lastModified": 1771848320,
+        "narHash": "sha256-0MAd+0mun3K/Ns8JATeHT1sX28faLII5hVLq0L3BdZU=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "0182a361324364ae3f436a63005877674cf45efb",
+        "rev": "2fc6539b481e1d2569f25f8799236694180c0993",
         "type": "github"
       },
       "original": {
@@ -144,11 +144,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1771207753,
-        "narHash": "sha256-b9uG8yN50DRQ6A7JdZBfzq718ryYrlmGgqkRm9OOwCE=",
+        "lastModified": 1771923393,
+        "narHash": "sha256-Fy0+UXELv9hOE8WjYhJt8fMDLYTU2Dqn3cX4BwoGBos=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "d1c15b7d5806069da59e819999d70e1cec0760bf",
+        "rev": "ea7f1f06811ce7fcc81d6c6fd4213150c23edcf2",
         "type": "github"
       },
       "original": {
@@ -174,16 +174,16 @@
     },
     "nixpkgs_4": {
       "locked": {
-        "lastModified": 1771419570,
-        "narHash": "sha256-bxAlQgre3pcQcaRUm/8A0v/X8d2nhfraWSFqVmMcBcU=",
+        "lastModified": 1773476965,
+        "narHash": "sha256-Laaj25PvGeoP5SPhMfMGxvWqM6ZjZ6LdUeEhP6b3czY=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "6d41bc27aaf7b6a3ba6b169db3bd5d6159cfaa47",
+        "rev": "f82ce7af0b79ac154b12e27ed800aeb97413723c",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-25.11",
+        "ref": "nixpkgs-unstable",
         "repo": "nixpkgs",
         "type": "github"
       }