v1.5.0 — Anthropic best practices + Broadcom attestation

What's Changed

Anthropic Best Practices Integration

• All MCP tool descriptions now start with [READ] or [WRITE] prefix
• SKILL.md MCP Tools header shows read/write split counts
• Description frontmatter includes "Do NOT use when..." negative routing
• Broadcom author attestation in README, pyproject.toml

Security Fixes

• Author identity: Wei Zhou, VMware by Broadcom (wei-wz.zhou@broadcom.com)
• Resolves Snyk E005 brand impersonation warnings

See RELEASE_NOTES.md for repo-specific changes.