flake.lock: Update

Flake lock file updates:

• Updated input 'llm-agents':
    'github:numtide/llm-agents.nix/e452052b9efb54fd59f8a06cbc09978fb542a3c2?narHash=sha256-pU0HWLzBuoGIYLMIjoZNqiALCAUl9JwV6ujIyOZO3i4%3D' (2026-10-29)
  → 'github:numtide/llm-agents.nix/8efcba308a6b12a92441cb4df624e484bad9e18a?narHash=sha256-i4UBJIugcPJxG4xKnlsypbTb8QfPX%2BkagQYF9oswO/c%3D' (2026-11-01)
• Updated input 'llm-agents/nixpkgs':
    'github:NixOS/nixpkgs/e62746b0b472753ef019baceab6f1e2e52014980?narHash=sha256-sx1f99WGrDfJ83KKuQrqGPmot0rnDgmpLJDzpU2oHQQ%3D' (2026-10-28)
  → 'github:NixOS/nixpkgs/885ba4d038f10c3d17d7a92e8c3cc185b99c9158?narHash=sha256-e/yiZ31gXRROBDcnOtT3YwDQ73NVG9Cepccbt86LIn8%3D' (2026-10-30)

flake.lock

@@ -601,11 +601,11 @@
         "treefmt-nix": "treefmt-nix"
       },
       "locked": {
-        "lastModified": 1793267696,
-        "narHash": "sha256-pU0HWLzBuoGIYLMIjoZNqiALCAUl9JwV6ujIyOZO3i4=",
+        "lastModified": 1793512069,
+        "narHash": "sha256-i4UBJIugcPJxG4xKnlsypbTb8QfPX+kagQYF9oswO/c=",
         "owner": "numtide",
         "repo": "llm-agents.nix",
-        "rev": "e452052b9efb54fd59f8a06cbc09978fb542a3c2",
+        "rev": "8efcba308a6b12a92441cb4df624e484bad9e18a",
         "type": "github"
       },
       "original": {
@@ -844,11 +844,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1793225069,
-        "narHash": "sha256-sx1f99WGrDfJ83KKuQrqGPmot0rnDgmpLJDzpU2oHQQ=",
+        "lastModified": 1793345420,
+        "narHash": "sha256-e/yiZ31gXRROBDcnOtT3YwDQ73NVG9Cepccbt86LIn8=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "e62746b0b472753ef019baceab6f1e2e52014980",
+        "rev": "885ba4d038f10c3d17d7a92e8c3cc185b99c9158",
         "type": "github"
       },
       "original": {