release: bump host plugins to 0.1.16

[ethanj]

Summary

• bump host plugin metadata from 0.1.15 to 0.1.16 lock-step
• include Claude marketplace metadata, OpenClaw skill/manifest metadata, Hermes plugin metadata, and private Codex/Cursor package metadata

Validation

• npm view @atomicmemory/claude-code-plugin@0.1.16 version --registry=https://registry.npmjs.org/ || true confirmed not published
• npm view @atomicmemory/openclaw-plugin@0.1.16 version --registry=https://registry.npmjs.org/ || true confirmed not published
• npm view @atomicmemory/hermes-plugin@0.1.16 version --registry=https://registry.npmjs.org/ || true confirmed not published
• pnpm run package-metadata
• pnpm run repo-hygiene
• pnpm --filter @atomicmemory/claude-code-plugin test
• pnpm --filter @atomicmemory/openclaw-plugin typecheck
• pnpm --filter @atomicmemory/openclaw-plugin test
• pnpm run public-integration-smoke
• pnpm run pack-dry-run
• git diff --check