Migrate to uv; fix clippings paths and wrapper

pyproject.toml

@@ -0,0 +1,46 @@
+[project]
+name = "ssearch"
+version = "0.1.0"
+description = "Semantic search over a personal journal archive and a clippings library (RAG: LlamaIndex + HuggingFace embeddings + Ollama/OpenAI)."
+readme = "README.md"
+requires-python = ">=3.12"
+license = { text = "MIT" }
+authors = [{ name = "E. M. Furst" }]
+
+dependencies = [
+    # --- RAG framework (version-sensitive: pinned exactly) ---
+    "llama-index-core==0.14.14",
+    "llama-index-embeddings-huggingface==0.6.1",
+    "llama-index-readers-file==0.5.6",
+    "llama-index-llms-ollama==0.9.1",
+    "llama-index-llms-openai==0.6.18",
+    "llama-index-retrievers-bm25==0.6.5",
+    "llama-index-vector-stores-chroma==0.5.5",
+    # --- Vector store (clippings) ---
+    "chromadb==1.5.1",
+    # --- Embeddings / cross-encoder re-ranking (pulls torch) ---
+    "sentence-transformers>=5.1.0",
+    # transformers + huggingface-hub pinned: a transformers update once broke
+    # offline model loading (AutoTokenizer phoning home). See devlog 2026-02-20.
+    "transformers==4.55.0",
+    "huggingface-hub==0.34.4",
+    # --- Keyword search / document loaders ---
+    "nltk>=3.9.1",
+    "beautifulsoup4>=4.13.4",
+    "striprtf>=0.0.26",
+    "pypdf>=6.7.1",
+]
+
+[dependency-groups]
+# Analysis + exploration notebooks (not needed to run the search pipeline).
+# Install with: uv sync --group notebook
+notebook = [
+    "jupyter>=1.1.1",
+    "ipykernel>=6.30.0",
+    "ipywidgets>=8.1.0",
+    "matplotlib>=3.10.0",
+    "seaborn>=0.13.0",
+    "pandas>=2.2.0",
+    "scikit-learn>=1.7.0",
+    "scipy>=1.16.0",
+]