fix: Update setup_mcp.sh for v2.0.0 src/ layout + test fixes (#201)

Merges setup_mcp.sh fix for v2.0.0 src/ layout + test updates.

Original fix by @501981732 in PR #197.
Test updates to make CI pass.

Closes #192

.github/workflows/release.yml

@@ -25,6 +25,8 @@ jobs:
         python -m pip install --upgrade pip
         pip install -r requirements.txt
         if [ -f skill_seeker_mcp/requirements.txt ]; then pip install -r skill_seeker_mcp/requirements.txt; fi
+        # Install package in editable mode for tests (required for src/ layout)
+        pip install -e .
 
     - name: Run tests
       run: |