chore: consolidate GitHub workflows and remove duplicate lock file

- Move tools workflows to root .github/workflows/ with updated paths
- Remove duplicate uv.lock from tools package
- Centralize all CI/CD workflows in monorepo root

.github/workflows/tools-generate-specs.yml

@@ -31,7 +31,7 @@ jobs:
         run: uv sync --dev --all-extras
 
       - name: Generate tool specifications
-        run: uv run python generate_tool_specs.py
+        run: uv run python packages/tools/generate_tool_specs.py
 
       - name: Configure Git and add upstream
         run: |
@@ -43,7 +43,7 @@ jobs:
       - name: Check for changes in tool specifications
         id: check_changes
         run: |
-          git add tool.specs.json
+          git add packages/tools/tool.specs.json
           if git diff --quiet --staged; then
             echo "No changes detected in tool.specs.json"
             echo "specs_changed=false" >> $GITHUB_OUTPUT

.github/workflows/tools-tests.yml

@@ -1,4 +1,4 @@
-name: Run Tests
+name: Tools Tests
 
 on: [pull_request]
 
@@ -39,4 +39,4 @@ jobs:
         run: uv sync --dev --all-extras
 
       - name: Run tests
-        run: uv run pytest tests -vv
+        run: uv run pytest packages/tools/tests -vv