flake.lock: Update

Flake lock file updates:

• Updated input 'home-manager':
    'github:nix-community/home-manager/7834e82' (2026-08-06)
  → 'github:nix-community/home-manager/c30c795' (2026-08-10)
• Updated input 'llm-agents':
    'github:numtide/llm-agents.nix/df0664e' (2026-08-08)
  → 'github:numtide/llm-agents.nix/5b6721a' (2026-08-10)
• Updated input 'nix-doom-emacs-unstraightened':
    'github:marienz/nix-doom-emacs-unstraightened/d0032f8' (2026-08-07)
  → 'github:marienz/nix-doom-emacs-unstraightened/1e02867' (2026-08-10)
• Updated input 'nix-doom-emacs-unstraightened/emacs-overlay':
    'github:nix-community/emacs-overlay/ef05c5d' (2026-08-07)
  → 'github:nix-community/emacs-overlay/39ea301' (2026-08-10)
• Updated input 'nix-stable':
    'github:NixOS/nixpkgs/445d861' (2026-08-06)
  → 'github:NixOS/nixpkgs/fcb8fcd' (2026-08-09)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/b7c2ada' (2026-08-05)
  → 'github:NixOS/nixpkgs/f13ff45' (2026-08-07)
• Updated input 'nixpkgs-darwin-pinned':
    'github:NixOS/nixpkgs/b7c2ada' (2026-08-05)
  → 'github:NixOS/nixpkgs/f13ff45' (2026-08-07)
• Updated input 'pi':
    'github:lukasl-dev/pi.nix/8ebc479' (2026-08-08)
  → 'github:lukasl-dev/pi.nix/344e6ef' (2026-08-10)

Author: github-actions[bot]