**`llamacpp` provider migrated from in-process to HTTP.** No longer loads `.gguf` files in-process via `llama-cpp-python` — connects to `llama-server`'s OpenAI-compatible HTTP endpoint instead. Removed settings: `llm.llamacpp_model_path`, `llm.llamacpp_n_batch`, `llm.llamacpp_n_gpu_layers`, `llm.llamacpp_f16_kv`. New settings: `llm.llamacpp.url` (default `http://localhost:8080/v1`), `llm.llamacpp.api_key` (optional, for auth proxies). Migration: run `llama-server -m <your-model.gguf>` and the default URL picks it up; alternatively use the `openai_endpoint` provider pointed at the same URL.
