feat: monorepo optimization and enhancement

[davidlu1001]

feat: production-grade monorepo audit and optimization

• Update root configs (.npmrc, package.json, turbo.json) with proper engine settings and global turbo configuration
• Add Vercel-compatible build commands in apps/web/vercel.json
• Update CLI sync-config.sh to use git rev-parse for robust path resolution
• Add MANIFEST.in entries and py.typed marker for CLI package
• Update packages/config with typecheck script and version bump
• Replace single deploy.yml with dedicated deploy-web.yml, deploy-api.yml, and release-cli.yml workflows with concurrency settings
• Update CI workflow with corepack enable and node-version: 24
• Add comprehensive Makefile with all development/deployment commands
• Update .gitignore with additional patterns
• Create DEPLOYMENT.md with platform configuration instructions

All builds and config sync verified working.

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docs: comprehensive GitHub repository enhancement

• Add root README with badges, Mermaid architecture diagrams, and visual elements
• Add CHANGELOG.md following Keep a Changelog format
• Add SECURITY.md with vulnerability reporting guidelines
• Add CONTRIBUTING.md with cross-platform development support (Linux/macOS/Windows)
• Add CODE_OF_CONDUCT.md (Contributor Covenant v2.1)
• Add CITATION.cff for academic citations
• Configure release-please for automated Node.js releases
• Update release-cli.yml with OIDC Trusted Publishing (no API tokens)
• Add CodeQL security scanning workflow
• Add Dependabot configuration with grouped updates
• Add structured issue templates (YAML format)
• Add PR template with checklist
• Add auto-labeler for PRs
• Add CODEOWNERS for code review routing
• Add FUNDING.yml for sponsorship
• Update DEPLOYMENT.md with OIDC setup instructions