chore: update dependencies and add OpenCode commit command

- Update llama.cpp from b7789 to b7867
- Update llama-swap from v182 to v186
- Add OpenCode conventional commit command configuration
- Add moonshotai Kimi-K2.5 model to llama-swap

modules/home/programs/terminal/opencode/default.nix

@@ -31,6 +31,9 @@ in
         reviewer = ./config/agents/reviewer.md;
         agent-creator = ./config/agents/agent-creator.md;
       };
+      commands = {
+        commit = ./config/commands/commit.md;
+      };
     };
 
     # Define OpenCode Configuration