feat: Gen 4 — deployment scripts, v1.0.0 release with native plugin support
Gen 4 of build-zulip-plugin contract — closing the deployment gap:
1. Rewrote deploy.sh for dual-mode deployment
- --mode=native: deploys to ~/.hermes/plugins/platforms/zulip/ + hermes gateway restart
- --mode=legacy: old /opt/hermes-zulip-plugin/ + systemctl (deprecated)
- Per-agent deployment, dry-run support, health verification
2. Added verify-deployment.sh
- Checks plugin files, Hermes Gateway, health endpoint, env vars
- Returns clear verdict: deployed or what's missing
3. Updated ARCHITECTURE.md to v2
- Documents native plugin as CURRENT, old systemd as DEPRECATED
- Cross-references hermes-zulip-plugin/DEPRECATED.md
4. Tagged v1.0.0 — 14/14 Success Criteria met, deployable