Merge open PRs: retry/backoff, custom fields, relationship tools, packaging, DevOps

.flake8

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+[flake8]
+max-line-length = 120
+extend-ignore = E203, W503
+exclude =
+    .venv,
+    .git,
+    __pycache__,
+    .pytest_cache,
+    .mypy_cache,
+    build,
+    dist

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug Report
+about: Create a report to help us improve
+title: '[BUG] '
+labels: ['bug']
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Environment (please complete the following information):**
+ - OS: [e.g. Ubuntu 20.04]
+ - Python version: [e.g. 3.11]
+ - OpenProject version: [e.g. 12.0]
+ - MCP Server version: [e.g. 1.0.0]
+
+**Additional context**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature Request
+about: Suggest an idea for this project
+title: '[FEATURE] '
+labels: ['enhancement']
+assignees: ''
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

.github/dependabot.yml

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+version: 2
+updates:
+  # GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    commit-message:
+      prefix: "ci"
+      include: "scope"
+
+  # Python dependencies
+  - package-ecosystem: "pip"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    commit-message:
+      prefix: "deps"
+      include: "scope"

.github/pull_request_template.md

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+## Description
+Brief description of the changes in this PR.
+
+## Type of Change
+- [ ] Bug fix (non-breaking change which fixes an issue)
+- [ ] New feature (non-breaking change which adds functionality)
+- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
+- [ ] Documentation update
+- [ ] Refactoring (no functional changes)
+- [ ] Performance improvement
+- [ ] Test improvements
+
+## Testing
+- [ ] Unit tests pass
+- [ ] E2E tests pass
+- [ ] Manual testing completed
+- [ ] New tests added for new functionality
+
+## Checklist
+- [ ] Code follows the project's coding standards
+- [ ] Self-review completed
+- [ ] Code is properly commented
+- [ ] Documentation updated (if applicable)
+- [ ] No breaking changes (or clearly documented)
+
+## Related Issues
+Fixes #(issue number)
+
+## Additional Notes
+Any additional information that reviewers should know.

.github/workflows/ci.yml

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+name: CI
+
+on:
+  pull_request:
+    branches: [main]
+  push:
+    branches: [main]
+
+permissions:
+  contents: read
+  pull-requests: read
+
+jobs:
+  lint:
+    name: Lint & Format Check
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+
+      - name: Set up uv
+        uses: astral-sh/setup-uv@v7
+        with:
+          enable-cache: true
+
+      - name: Set up Python
+        run: uv python install 3.12
+
+      - name: Install dependencies
+        run: uv sync --frozen --dev
+
+      - name: Lint and format check with Ruff
+        run: |
+          uv run ruff check .
+          uv run ruff format --check .
+
+      - name: Type check with mypy
+        run: uv run mypy src/server.py
+        continue-on-error: true  # Report issues but don't fail build
+
+  test:
+    name: Test (Python ${{ matrix.python-version }})
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+
+      - name: Set up uv
+        uses: astral-sh/setup-uv@v7
+        with:
+          enable-cache: true
+
+      - name: Set up Python ${{ matrix.python-version }}
+        run: uv python install ${{ matrix.python-version }}
+
+      - name: Install dependencies
+        run: uv sync --frozen --dev
+
+      - name: Create junit directory
+        run: mkdir -p junit
+
+      - name: Run tests
+        run: uv run pytest tests/ --junitxml=junit/test-results-${{ matrix.python-version }}.xml
+
+      - name: Upload test results
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: test-results-${{ matrix.python-version }}
+          path: junit/test-results-*.xml
+
+  build:
+    name: Build Package
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+
+      - name: Set up uv
+        uses: astral-sh/setup-uv@v7
+        with:
+          enable-cache: true
+
+      - name: Set up Python
+        run: uv python install 3.12
+
+      - name: Build package
+        run: uv build
+
+      - name: Verify build outputs
+        run: |
+          test -f dist/*.whl
+          test -f dist/*.tar.gz
+
+      - name: Upload build artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: dist
+          path: dist/

.github/workflows/dependency-updates.yml

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+name: Dependency Updates
+
+on:
+  schedule:
+    - cron: '0 9 * * 1'  # Run weekly on Mondays at 9 AM
+  workflow_dispatch:
+
+jobs:
+  update-dependencies:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+      with:
+        token: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Set up Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: '3.11'
+
+    - name: Install uv
+      uses: astral-sh/setup-uv@v2
+      with:
+        version: "latest"
+
+    - name: Update dependencies
+      run: |
+        uv lock --upgrade
+
+    - name: Check for changes
+      id: changes
+      run: |
+        if git diff --quiet; then
+          echo "changed=false" >> $GITHUB_OUTPUT
+        else
+          echo "changed=true" >> $GITHUB_OUTPUT
+        fi
+
+    - name: Create Pull Request
+      if: steps.changes.outputs.changed == 'true'
+      uses: peter-evans/create-pull-request@v5
+      with:
+        token: ${{ secrets.GITHUB_TOKEN }}
+        commit-message: "chore: update dependencies"
+        title: "chore: update dependencies"
+        body: |
+          This PR updates project dependencies to their latest versions.
+
+          ## Changes
+          - Updated dependencies in `uv.lock`
+
+          ## Testing
+          - [ ] All tests pass
+          - [ ] No breaking changes detected
+        branch: dependency-updates
+        delete-branch: true
+        labels: |
+          dependencies
+          automated