chore: pin beads version in flake

flake.lock

@@ -1,5 +1,24 @@
 {
   "nodes": {
+    "beads": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      },
+      "locked": {
+        "lastModified": 1789499639,
+        "narHash": "sha256-QryUnK04c9Wm9/VgWoaOJW9M2HoZVZzSDMSMBtjKiyc=",
+        "owner": "gastownhall",
+        "repo": "beads",
+        "rev": "f45b249ce6b40ba62aecc03949e6371e8f7c79d8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "gastownhall",
+        "ref": "v1.3.0",
+        "repo": "beads",
+        "type": "github"
+      }
+    },
     "cachix": {
       "inputs": {
         "devenv": [
@@ -9,7 +28,7 @@
           "crate2nix"
         ],
         "git-hooks": "git-hooks",
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": "nixpkgs_2"
       },
       "locked": {
         "lastModified": 1767714506,
@@ -33,7 +52,7 @@
         "flake-compat": "flake-compat",
         "flake-parts": "flake-parts",
         "nix-test-runner": "nix-test-runner",
-        "nixpkgs": "nixpkgs_2",
+        "nixpkgs": "nixpkgs_3",
         "pre-commit-hooks": "pre-commit-hooks"
       },
       "locked": {
@@ -214,6 +233,22 @@
       }
     },
     "nixpkgs": {
+      "locked": {
+        "lastModified": 1782847189,
+        "narHash": "sha256-twXPFqFsrrY5r28Zh7Homgcp2gUMBgQ6WDS98Q/3xFI=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "b6018f87da91d19d0ab4cf979885689b469cdd41",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-25.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
       "locked": {
         "lastModified": 1765186076,
         "narHash": "sha256-hM20uyap1a0M9d344I692r+ik4gTMyj60cQWO+hAYP8=",
@@ -229,7 +264,7 @@
         "type": "github"
       }
     },
-    "nixpkgs_2": {
+    "nixpkgs_3": {
       "locked": {
         "lastModified": 1769433173,
         "narHash": "sha256-Gf1dFYgD344WZ3q0LPlRoWaNdNQq8kSBDLEWulRQSEs=",
@@ -245,13 +280,13 @@
         "type": "github"
       }
     },
-    "nixpkgs_3": {
+    "nixpkgs_4": {
       "locked": {
-        "lastModified": 1788316716,
-        "narHash": "sha256-bc7rSpXIdn9QWGNqfWcPZWOhEVF8NoeAZkWq0XWnf/k=",
+        "lastModified": 1789785513,
+        "narHash": "sha256-B44WL6h0XoLjJ41bUPJk0X5SDinLCII//6EcBLXKiJ0=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "3ed67ec0a4d3c7ab4ae1f04f8ee8df07bfa506a2",
+        "rev": "20b1ddd1aa5ace70c9468305030aa4f9ef79671b",
         "type": "github"
       },
       "original": {
@@ -261,7 +296,7 @@
         "type": "github"
       }
     },
-    "nixpkgs_4": {
+    "nixpkgs_5": {
       "locked": {
         "lastModified": 1744536153,
         "narHash": "sha256-awS2zRgF4uTwrOKwwiJcByDzDOdo3Q1rPZbiHQg/N38=",
@@ -305,22 +340,23 @@
     },
     "root": {
       "inputs": {
+        "beads": "beads",
         "crate2nix": "crate2nix",
         "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs_3",
+        "nixpkgs": "nixpkgs_4",
         "rust-overlay": "rust-overlay"
       }
     },
     "rust-overlay": {
       "inputs": {
-        "nixpkgs": "nixpkgs_4"
+        "nixpkgs": "nixpkgs_5"
       },
       "locked": {
-        "lastModified": 1788456718,
-        "narHash": "sha256-TxHC0sBjV2pmsBLKAX02JTXlye/EOLt6Do+WNtGofGw=",
+        "lastModified": 1789802016,
+        "narHash": "sha256-QVFfArbYaQMGK4dFV+5RUL72Ci+hNHVhaF/R9qJfDhs=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "0b20a18e84d9164464739189c2b2a1b00f6f0e4b",
+        "rev": "26a71e661c47bd21a05d06fec749f3f7c75e9d12",
         "type": "github"
       },
       "original": {