Fix CI: purge pip cache and verify installed package

Author: SentienceDEV

.github/workflows/test.yml

@@ -31,10 +31,28 @@ jobs:
 
     - name: Install dependencies
       run: |
+        pip cache purge || true
+        pip uninstall -y sentienceapi || true
         pip install --no-cache-dir -e ".[dev]"
         pip install pre-commit mypy types-requests
-        # Verify local install is used
-        python -c "import sentience.agent_runtime; import inspect; src = inspect.getsourcefile(sentience.agent_runtime); print(f'Using: {src}')"
+
+    - name: Verify installed package
+      shell: bash
+      run: |
+        echo "=== Installed sentience location ==="
+        python -c "import sentience; print(sentience.__file__)"
+        echo "=== Check assert_done source code ==="
+        python -c "
+import inspect
+from sentience.agent_runtime import AgentRuntime
+source = inspect.getsource(AgentRuntime.assert_done)
+print(source[:500])
+if 'assertTrue' in source:
+    print('ERROR: assertTrue found in installed package!')
+    exit(1)
+else:
+    print('Good: assert_ is correctly used')
+"
 
     - name: Lint with pre-commit
       continue-on-error: true