Expand router into reproducible local AI platform

platform/llama/build-llama-cpp.sh

@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT_DIR="${ROOT_DIR:-/opt/mike-ai}"
+SOURCE_DIR="${SOURCE_DIR:-$ROOT_DIR/llama.cpp}"
+BUILD_DIR="${BUILD_DIR:-$SOURCE_DIR/build}"
+REPO_URL="${REPO_URL:-https://github.com/ggml-org/llama.cpp.git}"
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+COMMIT="$(tr -d '[:space:]' < "$SCRIPT_DIR/LLAMA_CPP_COMMIT")"
+
+if [[ $EUID -ne 0 ]]; then
+  echo "Dieses Skript muss als root ausgeführt werden." >&2
+  exit 1
+fi
+
+if [[ ! -d "$SOURCE_DIR/.git" ]]; then
+  git clone "$REPO_URL" "$SOURCE_DIR"
+fi
+
+git -C "$SOURCE_DIR" fetch --tags origin
+git -C "$SOURCE_DIR" checkout --detach "$COMMIT"
+
+cmake -S "$SOURCE_DIR" -B "$BUILD_DIR" \
+  -DGGML_CUDA=ON \
+  -DLLAMA_CURL=ON \
+  -DCMAKE_BUILD_TYPE=Release
+cmake --build "$BUILD_DIR" --config Release --parallel "$(nproc)"
+
+"$BUILD_DIR/bin/llama-server" --version