Initial clean commit - unified Lyra stack

.gitignore

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+# =============================
+# 📦 General
+# =============================
+__pycache__/
+*.pyc
+*.log
+
+# Env files (store secrets locally)
+.env
+
+# =============================
+# 🐳 Docker volumes (HUGE)
+# =============================
+volumes/
+*/volumes/
+
+# =============================
+# 📚 Databases & vector stores
+# =============================
+postgres_data/
+neo4j_data/
+*/postgres_data/
+*/neo4j_data/
+rag/chromadb/
+rag/*.sqlite3
+
+# =============================
+# 🤖 Model weights (big)
+# =============================
+models/
+*.gguf
+*.bin
+*.pt
+*.safetensors
+
+# =============================
+# 📦 Node modules (installed via npm)
+# =============================
+node_modules/
+core/relay/node_modules/