feat: add git-consistent memory gateway architecture

.env.example

@@ -0,0 +1,18 @@
+# Required: git source-of-truth URL (ssh/https/local path)
+GIT_REMOTE_URL=git@github.com:your-org/your-memory-repo.git
+
+# Optional runtime tuning
+DEFAULT_BRANCH=main
+QMD_TIMEOUT_SECONDS=300
+QMD_TOP_K=5
+QMD_INDEX_PREFIX=ws
+QMD_UPDATE_ON_LATEST_QUERY=true
+QMD_EMBED_ON_CHANGE=true
+
+# GPU pinning for qmd container
+CUDA_DEVICE=1
+CUDA_VISIBLE_DEVICES=1
+NVIDIA_VISIBLE_DEVICES=1
+
+# Optional warmup profile interval (seconds)
+WARMUP_INTERVAL_SECONDS=300