feat: Add Opencode IDE with AI agents, Beads issue tracking, and STT/PTT

support
- Integrate Opencode terminal IDE with MCP integrations (Ref, Exa,
  Outline)
- Add Beads AI-native issue tracking system (.beads/ + AGENTS.md)
- Implement STT/PTT (speech-to-text push-to-talk) with
  whisper-cpp-vulkan
- Add coding feature module with dev tools (beads, alejandra, bun,
  devpod, nixd)
- Create AZPILOGISTIKTEST host configuration
- Refactor Hyprland windowrules to new match: syntax
- Upgrade nixpkgs/home-manager from 25.05 to 25.11
- Update Ollama to use Vulkan acceleration
- Add lmstudio, rofi-project-opener, and various app updates
- Add outline-key secret and mem0 service configuration

chore: Add Opencode IDE, Beads issue tracking, STT/PTT, and nixpkgs
25.11 upgrade

overlays/default.nix

@@ -10,7 +10,7 @@
   # You can change versions, add patches, set compilation flags, anything really.
   # https://nixos.wiki/wiki/Overlays
   modifications = final: prev: {
-    n8n = import ./mods/n8n.nix {inherit prev;};
+    # n8n = import ./mods/n8n.nix {inherit prev;};
     vivaldi = prev.vivaldi.override {
       commandLineArgs = "--enable-features=UseOzonePlatform --ozone-platform=wayland";
     };