chore(llm): update llama-cpp, llama-swap and switch to qwen3.5-27b-thinking

- Bump llama-cpp from version 8157 to 8196
- Bump llama-swap from version 192 to 197
- Switch default assistant model from qwen3-coder-next-80b to qwen3.5-27b-thinking
- Remove glm-4-32b-instruct model configuration
- Update qwen3.5-27b-thinking config:
  - Use bartowski quantization (IQ4_XS) instead of unsloth
  - Increase context window from 131k to 196k
  - Add cache type settings (q8_0) and CUDA device
- Add 1password-cli to home-manager programs
- Fix typo: 'dispay' -> 'display' in llm-config.lua

packages/llama-cpp/default.nix

@@ -7,12 +7,12 @@
   vulkanSupport = true;
 }).overrideAttrs
   (oldAttrs: rec {
-    version = "8157";
+    version = "8196";
     src = pkgs.fetchFromGitHub {
       owner = "ggml-org";
       repo = "llama.cpp";
       tag = "b${version}";
-      hash = "sha256-3u9BWMZGGL3RTWxlEl5swOBe4yDoBAEfz/m2b1hw6fc=";
+      hash = "sha256-GZRHiyT8mvhV5RTczDRnCSh31UxRZ3F8tEBC1l8oFNQ=";
       leaveDotGit = true;
       postFetch = ''
         git -C "$out" rev-parse --short HEAD > $out/COMMIT