feat(context): bump context window to 192K (196,608 tokens) with q4_0 KV cache

scripts/start-server.sh

@@ -39,7 +39,7 @@ exec /opt/llama.cpp-xrip/build-nccl/bin/llama-server \
   --reasoning-format deepseek \
   --numa isolate \
   -ngl 99 \
-  -c 131072 \
+  -c 196608 \
   --parallel 1 \
   --cache-prompt \
   --cache-idle-slots \
@@ -52,7 +52,7 @@ exec /opt/llama.cpp-xrip/build-nccl/bin/llama-server \
   --ubatch-size 1024 \
   --jinja \
   --threads 12 \
-  --cache-type-k q5_0 \
-  --cache-type-v q5_0 \
+  --cache-type-k q4_0 \
+  --cache-type-v q4_0 \
   --host 0.0.0.0 \
   --port 8080