Set up LLM and Aider.

Update flake deps.

flake.lock

@@ -29,11 +29,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1741786315,
-        "narHash": "sha256-VT65AE2syHVj6v/DGB496bqBnu1PXrrzwlw07/Zpllc=",
+        "lastModified": 1743524395,
+        "narHash": "sha256-BXVan1TBC2iDJODFvCoz2XrbAOyZ9KWjwyIkOYwO4Mc=",
         "owner": "nix-community",
         "repo": "disko",
-        "rev": "0d8c6ad4a43906d14abd5c60e0ffe7b587b213de",
+        "rev": "f6dbc8952df9e40afafbe38449751bfad12d64f2",
         "type": "github"
       },
       "original": {
@@ -104,11 +104,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1742655702,
-        "narHash": "sha256-jbqlw4sPArFtNtA1s3kLg7/A4fzP4GLk9bGbtUJg0JQ=",
+        "lastModified": 1743387206,
+        "narHash": "sha256-24N3NAuZZbYqZ39NgToZgHUw6M7xHrtrAm18kv0+2Wo=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "0948aeedc296f964140d9429223c7e4a0702a1ff",
+        "rev": "15c5f9d04fabd176f30286c8f52bbdb2c853a146",
         "type": "github"
       },
       "original": {
@@ -168,11 +168,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1742701275,
-        "narHash": "sha256-AulwPVrS9859t+eJ61v24wH/nfBEIDSXYxlRo3fL/SA=",
+        "lastModified": 1743306489,
+        "narHash": "sha256-LROaIjSLo347cwcHRfSpqzEOa2FoLSeJwU4dOrGm55E=",
         "owner": "nix-community",
         "repo": "nix-index-database",
-        "rev": "36dc43cb50d5d20f90a28d53abb33a32b0a2aae6",
+        "rev": "b3696bfb6c24aa61428839a99e8b40c53ac3a82d",
         "type": "github"
       },
       "original": {
@@ -183,11 +183,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1742937945,
-        "narHash": "sha256-lWc+79eZRyvHp/SqMhHTMzZVhpxkRvthsP1Qx6UCq0E=",
+        "lastModified": 1743501102,
+        "narHash": "sha256-7PCBQ4aGVF8OrzMkzqtYSKyoQuU2jtpPi4lmABpe5X4=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "d02d88f8de5b882ccdde0465d8fa2db3aa1169f7",
+        "rev": "02f2af8c8a8c3b2c05028936a1e84daefa1171d4",
         "type": "github"
       },
       "original": {
@@ -199,11 +199,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1743095683,
-        "narHash": "sha256-gWd4urRoLRe8GLVC/3rYRae1h+xfQzt09xOfb0PaHSk=",
+        "lastModified": 1743448293,
+        "narHash": "sha256-bmEPmSjJakAp/JojZRrUvNcDX2R5/nuX6bm+seVaGhs=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "5e5402ecbcb27af32284d4a62553c019a3a49ea6",
+        "rev": "77b584d61ff80b4cef9245829a6f1dfad5afdfa3",
         "type": "github"
       },
       "original": {
@@ -222,11 +222,11 @@
         "nuschtosSearch": "nuschtosSearch"
       },
       "locked": {
-        "lastModified": 1743157969,
-        "narHash": "sha256-ldlSyVKNaXL7ys7Jr7mLhlpGDE4VPVcWmV7Odupn5TY=",
+        "lastModified": 1743536158,
+        "narHash": "sha256-/jlBU7EGIfaa5VKwvVyrSspuuNmgKYOjAuTd2ywyevg=",
         "owner": "nix-community",
         "repo": "nixvim",
-        "rev": "95573411bc9be155a93b0f15d2bad62c6b43b3cc",
+        "rev": "754b8df7e37be04b7438decee5a5aa18af72cbe1",
         "type": "github"
       },
       "original": {
@@ -245,11 +245,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1742659553,
-        "narHash": "sha256-i/JCrr/jApVorI9GkSV5to+USrRCa0rWuQDH8JSlK2A=",
+        "lastModified": 1743201766,
+        "narHash": "sha256-bb/dqoIjtIWtJRzASOe8g4m8W2jUIWtuoGPXdNjM/Tk=",
         "owner": "NuschtOS",
         "repo": "search",
-        "rev": "508752835128a3977985a4d5225ff241f7756181",
+        "rev": "2651dbfad93d6ef66c440cbbf23238938b187bde",
         "type": "github"
       },
       "original": {
@@ -278,11 +278,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1742700801,
-        "narHash": "sha256-ZGlpUDsuBdeZeTNgoMv+aw0ByXT2J3wkYw9kJwkAS4M=",
+        "lastModified": 1743502316,
+        "narHash": "sha256-zI2WSkU+ei4zCxT+IVSQjNM9i0ST++T2qSFXTsAND7s=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "67566fe68a8bed2a7b1175fdfb0697ed22ae8852",
+        "rev": "e7f4d7ed8bce8dfa7d2f2fe6f8b8f523e54646f8",
         "type": "github"
       },
       "original": {