ref: Update package mngt and optimize the vector store functions (#115)

* ref: Update download and hash chunk sizes to speed up

* build: Adopt uv with uv.lock and drop requirements.txt

* ref: Centralize softmax helper and minor cleanups

.github/workflows/docs.yml

@@ -14,19 +14,19 @@ jobs:
         with:
           fetch-depth: 0
 
-      - uses: actions/setup-python@v6
+      - name: Install uv
+        uses: astral-sh/setup-uv@v6
         with:
+          enable-cache: true
           python-version: "3.11"
 
       - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip
-          pip install mkdocs-material pymdown-extensions mkdocs-git-committers-plugin-2 mkdocs-git-revision-date-localized-plugin
+        run: uv sync --locked --extra docs
 
       - name: Build docs
         env:
           MKDOCS_GIT_COMMITTERS_APIKEY: ${{ secrets.MKDOCS_GIT_COMMITTERS_APIKEY }}
-        run: mkdocs build --strict
+        run: uv run mkdocs build --strict
 
       - name: Deploy to GitHub Pages
         uses: peaceiris/actions-gh-pages@v4