[WIP] Add enterprise-grade files and documentation

[Copilot]

• README.md with badges, architecture, quick start, API examples
• LICENSE (MIT, Trojan3877, 2025)
• SECURITY.md with supported versions and disclosure policy
• CONTRIBUTING.md with fork/branch workflow and commit conventions
• CODE_OF_CONDUCT.md (Contributor Covenant v2.1)
• CHANGELOG.md (keep-a-changelog format, v1.0.0 entry)
• .github/CODEOWNERS
• .github/dependabot.yml (pip + github-actions, weekly)
• .github/pull_request_template.md
• .github/ISSUE_TEMPLATE/bug_report.md
• .github/ISSUE_TEMPLATE/feature_request.md
• .github/workflows/ci.yml (replace stub with full lint/test/docker workflow)
• .github/workflows/codeql.yml
• Dockerfile (multi-stage, non-root user)
• docker-compose.yml (api + redis with health checks)
• requirements.txt
• requirements-dev.txt
• .flake8
• .pre-commit-config.yaml
• .editorconfig
• Makefile
• src/init.py
• src/api.py (FastAPI with /health and /recommend)
• src/model.py (DeepSequenceRecommender nn.Module)
• src/config.py (Pydantic BaseSettings)
• tests/init.py
• tests/test_api.py
• tests/test_model.py
• docs/architecture.md (replace stub)
• docs/metrics.md (replace stub)

Original prompt

Overview

Upgrade the Trojan3877/DeepSequence-Recommender repository to be fully enterprise-ready. The repo is a personalized movie/show recommendation system using collaborative and content-based filtering. Currently it has only a stub .github/workflows/ci.yml, docs/architecture.md, and docs/metrics.md — and is missing all enterprise-grade scaffolding.

Please add/create ALL of the following files:

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1. README.md (root)

A comprehensive, production-grade README including:

• Project title with badges: CI status, Python version, Docker, License (MIT), Coverage
• Description: Deep sequence-based recommendation system using collaborative + content-based filtering
• Architecture diagram (ASCII/text)
• Key Features section (deep learning model, REST API, Docker, CI/CD, monitoring)
• Tech stack table (Python, PyTorch, FastAPI, Docker, GitHub Actions, pytest)
• Project structure tree
• Quick start / installation instructions
• API usage examples
• Contributing link
• License section

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2. LICENSE

MIT License for Trojan3877, 2025.

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3. SECURITY.md

Enterprise security policy including:

• Supported versions table
• Vulnerability reporting instructions (private disclosure via GitHub Security Advisories)
• Response SLA commitments
• Out-of-scope items

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4. CONTRIBUTING.md

Full contribution guide including:

• Code of conduct reference
• Fork & branch workflow
• Commit message conventions (Conventional Commits)
• PR checklist
• Testing requirements
• Linting/formatting standards

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5. CODE_OF_CONDUCT.md

Contributor Covenant v2.1 code of conduct.

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6. CHANGELOG.md

Keep-a-changelog format with an initial [1.0.0] entry describing the enterprise-ready release.

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7. .github/CODEOWNERS

Assign @Trojan3877 as the owner of all files (* @Trojan3877).

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8. .github/dependabot.yml

Dependabot configuration for:

• pip ecosystem (weekly, targeting main)
• github-actions ecosystem (weekly, targeting main)

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9. .github/pull_request_template.md

PR template with:

• Description section
• Type of change checkboxes (bug fix, new feature, breaking change, docs)
• Checklist (tests added, docs updated, linting passed, reviewer assigned)
• Related issues section

---

10. .github/ISSUE_TEMPLATE/bug_report.md

Standard bug report template with:

• Description
• Steps to reproduce
• Expected vs actual behavior
• Environment (OS, Python version, Docker version)
• Additional context

---

11. .github/ISSUE_TEMPLATE/feature_request.md

Feature request template with:

• Problem statement
• Proposed solution
• Alternatives considered
• Additional context

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12. .github/workflows/ci.yml (replace the empty stub)

Full GitHub Actions CI workflow:

name: CI

on:
  push:
    branches: [main, develop]
  pull_request:
    branches: [main]

jobs:
  lint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: "3.10"
      - run: pip install flake8 black isort
      - run: flake8 src/ tests/
      - run: black --check src/ tests/
      - run: isort --check-only src/ tests/

  test:
    runs-on: ubuntu-latest
    needs: lint
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: "3.10"
      - run: pip install -r requirements.txt
      - run: pytest --cov=src --cov-report=xml -v
      - uses: codecov/codecov-action@v4
        with:
          file: ./coverage.xml

  docker:
    runs-on: ubuntu-latest
    needs: test
    steps:
      - uses: actions/checkout@v4
      - uses: docker/setup-buildx-action@v3
      - uses: docker/build-push-action@v5
        with:
          context: .
          push: false
          tags: deepsequence-recommender:ci

---

13. .github/workflows/codeql.yml

GitHub CodeQL security scanning workflow for Python, running on push to main and on a weekly schedule.

---

14. Dockerfile

Production-ready multi-stage Dockerfile:

• Stage 1: builder — installs dependencies from requirements.txt
• Stage 2: runtime — slim Python 3.10 image, non-root user, copies app from builder
• Exposes port 8000
• CMD: uvicorn src.api:app --host 0.0.0.0 --port 8000

---

15. docker-compose.yml

Docker Compose with:

• api service using the Dockerfile, port 8000, environment variables from .env
• redis service (for caching recommendations)
• Health checks for both services

---

16. requirements.txt

Production-grade requirements:

torch==2.2.1
torchvision==0.17.1
fastapi==0.110.0
uvicorn==0.29.0
pydantic==2.6.4
numpy==1.26.4
pandas==2.2.2
scikit-learn==1.5.0
mlflow==2.12.1
redis==5.0.3
loguru==0.7.2
pyyaml==6.0.1
tqdm==4.66.4

---

17. requirements-dev.txt

Dev/test dependencies:

pytest==8.1.1
pytest-cov==5.0.0
pytest-asyncio==0.23.6
httpx==0.27.0
flake8==7.0.0
black==24.4.2
isort==5.13.2
pre-commit==3.7.0

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