docs(changelog): add 2026-04-22 entry (#80)

Co-authored-by: Molecule AI Documentation Specialist <documentation-specialist@agents.moleculesai.app>
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@ -7,6 +7,70 @@ All notable changes to the Molecule AI platform are documented here.
Entries are published daily at 23:50 UTC.
---
## 2026-04-22
### ✨ New features
#### Workspace model propagation — hermes MiniMax flow
Customer selects `model=minimax/MiniMax-M2.7-highspeed` in Canvas → the model and
API key now propagate correctly into the runtime environment instead of being dropped
on the floor at provisioning time. Works for hermes workspaces in both hosted SaaS
and self-hosted EC2 deployments.
(`molecule-core` [#1685](https://github.com/Molecule-AI/molecule-core/pull/1685))
#### EC2 Instance Connect Endpoint — one-click shell from Canvas
Canvas Terminal tab now uses AWS EC2 Instance Connect Endpoint to open a PTY inside
any workspace EC2 instance — no SSH keys to manage, no IP to copy, no security group
rules to configure. IAM policy gates access, STS pushes a short-lived key that
auto-expires, and every tunnel open is recorded in CloudTrail.
See the [EC2 Instance Connect guide](/docs/infra/workspace-terminal).
(`molecule-core` [#1554](https://github.com/Molecule-AI/molecule-core/pull/1554))
#### Phase 33 — Cloudflare Tunnel replaced with direct-connect public IPs
Cloud-hosted workspaces no longer route through `cloudflared`. Each workspace gets
its own public IP from the VPC subnet and connects directly to the platform over
TLS on port 443. Reduces latency by ~2040 ms (region-dependent), removes the
Cloudflare egress cost dependency, and enables direct `curl` debugging without
the tunnel path.
See the [migration blog post](/blog/cloudflare-tunnel-migration).
(`molecule-core` [#1612](https://github.com/Molecule-AI/molecule-core/pull/1612))
### 🔒 Security
- **F1085 deleteViaEphemeral**: `rm` scope restricted to `/configs` volume only —
prevents deletion of application code or workspace files if the exec form is
exploited. Applied to both `main` and `staging`. (`molecule-core` [#1682](https://github.com/Molecule-AI/molecule-core/pull/1682), [#1616](https://github.com/Molecule-AI/molecule-core/pull/1616))
### 🔧 Fixes
- Canvas now fetches the runtime and model dropdown from the `/templates` registry
at load time — runtime list stays current without code deploys. (`molecule-core` [#1666](https://github.com/Molecule-AI/molecule-core/pull/1666))
- Canvas accessibility: `aria-hidden` correctly applied to decorative SVGs;
`MissingKeysModal` now uses correct dialog semantics and manages focus. (`molecule-core` [#1594](https://github.com/Molecule-AI/molecule-core/pull/1594))
- Provisioner pulls workspace template images from GHCR instead of Docker Hub
for faster cold starts and reduced third-party dependency. (`molecule-core` [#1624](https://github.com/Molecule-AI/molecule-core/pull/1624))
- Shared runtime heartbeat no longer leaves workspaces in a phantom-busy state after
task completion. (`molecule-ai-workspace-runtime` [#37](https://github.com/Molecule-AI/molecule-ai-workspace-runtime/pull/37))
### 📚 Docs
- **MCP server structured logging**: `LOG_LEVEL` env var (`trace`/`debug`/`info`/`warn`/`error`/`fatal`),
pino JSON output in production, pretty-print in development, AsyncLocalStorage
context on every log entry (tool name, request ID, workspace ID). (`docs` [#78](https://github.com/Molecule-AI/docs/pull/78))
- **molecli shell completion**: tab completion for `molecule` CLI in bash, zsh, fish,
and PowerShell — covers all subcommands and flags. (`docs` [#79](https://github.com/Molecule-AI/docs/pull/79))
### 🧹 Internal
- 34 internal changes across `molecule-core`, `molecule-ci`, and template repos:
CI workflow migration to `ubuntu-latest`, security patch backports (CWE-22/CWE-78),
Go build fixes, canvas Dockerfile GID fix, Go linter upgrades, duplicate-symbol
resolution, and reusable `publish-template-image` workflow for all workspace template
repos. (`molecule-core`, `molecule-ci`)
---
## 2026-04-17