diff --git a/flake.lock b/flake.lock
index 57da9f3..9d8821c 100644
--- a/flake.lock
+++ b/flake.lock
@@ -254,11 +254,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1768062556,
-        "narHash": "sha256-jgC3INik4sJCx31bR+DJMNCoRtSf/9rKL1ZSBVRL0AU=",
+        "lastModified": 1768068402,
+        "narHash": "sha256-bAXnnJZKJiF7Xr6eNW6+PhBf1lg2P1aFUO9+xgWkXfA=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "312c4fe0bbf054e3c87ebad51792f2e6d2ce4f01",
+        "rev": "8bc5473b6bc2b6e1529a9c4040411e1199c43b4c",
         "type": "github"
       },
       "original": {
@@ -270,11 +270,11 @@
     "homebrew-cask": {
       "flake": false,
       "locked": {
-        "lastModified": 1768063038,
-        "narHash": "sha256-6eoEjadyjF5p81NBXIBAxU5oVfZ6+3kOgTmZ83cdUpI=",
+        "lastModified": 1768128430,
+        "narHash": "sha256-crhruXo3aFszjwVQR6aFxnDdacYqA6NMsfBqLiC4fWc=",
         "owner": "homebrew",
         "repo": "homebrew-cask",
-        "rev": "3ced75497a20c3b5ce09b7fb7ce5405da66d4ab0",
+        "rev": "fca174f4286ba73e46602e8b7d9aaecbeaa67a49",
         "type": "github"
       },
       "original": {
@@ -286,11 +286,11 @@
     "homebrew-core": {
       "flake": false,
       "locked": {
-        "lastModified": 1768061910,
-        "narHash": "sha256-wMP/35vIYvkK7SGh35jBir5eOB+cqJN1u+nnyJtLq9Q=",
+        "lastModified": 1768133301,
+        "narHash": "sha256-Xt3/lCrV2IAXnkNCmH1ZA+4ppYZLO2JnphXLGwpPzp8=",
         "owner": "homebrew",
         "repo": "homebrew-core",
-        "rev": "e98e1075c71961871a4cb16f6afd547e83e034a8",
+        "rev": "1b8a45601bb11e175c7c83afc28eece28ccdac10",
         "type": "github"
       },
       "original": {
@@ -306,11 +306,11 @@
         "treefmt-nix": "treefmt-nix"
       },
       "locked": {
-        "lastModified": 1768054312,
-        "narHash": "sha256-ox2LvJdpSbx+YtcNm9Bw+49MO61K/s5ReWkuAuxWPVw=",
+        "lastModified": 1768100331,
+        "narHash": "sha256-n7RyjbklgTFzkKQWv+QKsYvQwGA2vi9RdbQY0s7BGck=",
         "owner": "numtide",
         "repo": "llm-agents.nix",
-        "rev": "84930e05fd386f9da8ac1ffb14016e09b53ed028",
+        "rev": "c46cbb57d8373b0091a7cd2590e41bbc77013e0c",
         "type": "github"
       },
       "original": {
@@ -328,11 +328,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1768063534,
-        "narHash": "sha256-pqpv6DTcG+FF+1aKR5LOkJVCZhDltayyUQS/tHdEhvY=",
+        "lastModified": 1768073227,
+        "narHash": "sha256-tmr6CNYSa0qoNe+5z39+as3Z0baKmF9pe485Z3DVVNU=",
         "owner": "jnsahaj",
         "repo": "lumen",
-        "rev": "ff95f242b40c6743ac10459d8dbed1420940d5d5",
+        "rev": "dd570ede2d65052ebedb265127c01b1423a67827",
         "type": "github"
       },
       "original": {
@@ -382,11 +382,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1767995494,
-        "narHash": "sha256-2EwKigq/8Yfl0D1+BaqsF1qh40DxX+rDdDyw1razX/Q=",
+        "lastModified": 1768032153,
+        "narHash": "sha256-6kD1MdY9fsE6FgSwdnx29hdH2UcBKs3/+JJleMShuJg=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "45a1530683263666f42d1de4cdda328109d5a676",
+        "rev": "3146c6aa9995e7351a398e17470e15305e6e18ff",
         "type": "github"
       },
       "original": {
@@ -413,11 +413,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1768063538,
-        "narHash": "sha256-pfPHe/+DyE9hiRnumd6gTydfTcqkeh4A3Batoe0vAqI=",
+        "lastModified": 1768133367,
+        "narHash": "sha256-2uOg7IReJan/y5JpIres4jqaRbCPD2nWNz6VJScjkqY=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "7cb1ea14e7b9428fcd5a1602594cb57e294eec68",
+        "rev": "d08a982c980a2c0da60a0aa3cb9181dcc8039de6",
         "type": "github"
       },
       "original": {
@@ -542,11 +542,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1768032389,
-        "narHash": "sha256-BVpTd93G0XmAK1iXiBdhUA5Uvt+WmM1YL0mA4REcT68=",
+        "lastModified": 1768104471,
+        "narHash": "sha256-HdnXWQsA1EI27IJlaENUEEug58trUrh6+MT0cFiDHmY=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "a8cfe238b93166f9f96c0df67a94e572554ee624",
+        "rev": "94f9cbd20f680ebb2ad6cdf39da97cbcfaedf004",
         "type": "github"
       },
       "original": {
diff --git a/profiles/opencode.nix b/profiles/opencode.nix
index 2a5b385..c3ad45c 100644
--- a/profiles/opencode.nix
+++ b/profiles/opencode.nix
@@ -46,6 +46,9 @@
 				momus = {
 					model = "opencode/gpt-5.2";
 				};
+				librarian = {
+					model = "opencode/claude-sonnet-4-5";
+				};
 				explore = {
 					model = "opencode/minimax-m2.1-free";
 				};