fix(ci): exclude integration test from unit test jobs, add --no-cache-dir to install.bat

Integration test runs only in its dedicated job. Unit test jobs on
Linux, macOS, and Windows now ignore test_mcp_integration.py.
Windows install.bat uses --no-cache-dir to prevent stale wheel cache.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: HanSur94

.github/workflows/ci.yml

@@ -29,7 +29,7 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
       - run: pip install -e ".[dev,monitoring]"
-      - run: pytest tests/ -v --cov=matlab_mcp --cov-report=xml --cov-report=term-missing
+      - run: pytest tests/ -v --ignore=tests/test_mcp_integration.py --cov=matlab_mcp --cov-report=xml --cov-report=term-missing
       - uses: codecov/codecov-action@v4
         if: matrix.python-version == '3.12'
         with:
@@ -97,7 +97,7 @@ jobs:
         run: |
           call .venv\Scripts\activate.bat
           pip install pytest pytest-asyncio pytest-cov --quiet
-          pytest tests/ -v -k "not matlab" --ignore=tests/test_integration.py -W ignore::pytest.PytestUnraisableExceptionWarning
+          pytest tests/ -v -k "not matlab" --ignore=tests/test_integration.py --ignore=tests/test_mcp_integration.py -W ignore::pytest.PytestUnraisableExceptionWarning
 
   test-macos:
     needs: lint
@@ -112,7 +112,7 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
       - run: pip install -e ".[dev,monitoring]"
-      - run: pytest tests/ -v -k "not matlab" -W ignore::pytest.PytestUnraisableExceptionWarning
+      - run: pytest tests/ -v -k "not matlab" --ignore=tests/test_mcp_integration.py -W ignore::pytest.PytestUnraisableExceptionWarning
 
   integration-test:
     needs: lint

install.bat

@@ -315,7 +315,7 @@ if defined OFFLINE (
 ) else (
     if exist "%SOURCE_DIR%pyproject.toml" (
         echo  Installing from local source...
-        pip install "%SOURCE_DIR%." %PIP_TRUST% --quiet
+        pip install "%SOURCE_DIR%." %PIP_TRUST% --no-cache-dir --quiet
     ) else (
         echo  Installing from PyPI...
         pip install matlab-mcp-python %PIP_TRUST% --quiet