ci: drop setup-uv cache (no uv.lock to key off)

Author: groksrc

.github/workflows/integration.yml

@@ -22,9 +22,8 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install uv
+        # No cache (no uv.lock to key off — see test.yml comment).
         uses: astral-sh/setup-uv@v3
-        with:
-          enable-cache: true
 
       - name: Set up Python 3.12
         # basic-memory itself requires 3.12+; the bm install needs that.

.github/workflows/test.yml

@@ -27,9 +27,10 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install uv
+        # No `enable-cache: true` — the action's default cache key globs for
+        # `uv.lock`, which we don't ship (we use `uv run --with` instead of
+        # `uv sync`). Without a lock file the cache step errors out.
         uses: astral-sh/setup-uv@v3
-        with:
-          enable-cache: true
 
       - name: Set up Python ${{ matrix.python-version }}
         run: uv python install ${{ matrix.python-version }}