PR #1526 shipped the /templates registry + canvas dynamic Runtime /
Model / Required-Env fields on 2026-04-22 — but merged into the
staging branch, not main. The staging→main promotion PR #1496 has
been open unmerged for a while with 1172 commits divergence, so
prod (which builds from main) still carries the old hardcoded
dropdown.
Symptom seen on hongmingwang.moleculesai.app today:
- New Hermes Agent workspace (template declares runtime: hermes) loads
Config tab → Runtime dropdown shows "LangGraph (default)" because
there's no <option value="hermes"> in the hardcoded list; it falls
back to empty-value silently.
- Model field is a plain TextInput with static placeholder
"e.g. anthropic:claude-sonnet-4-6" — should be a combobox populated
from the selected runtime's models[].
- Required Env Vars is a TagList with static placeholder
"e.g. CLAUDE_CODE_OAUTH_TOKEN" — should auto-populate from the
selected model's required_env.
- Net effect: "Save & Deploy" sends empty model + empty env to the
provisioner → workspace instant-fails.
This PR cherry-picks the exact three files from PR #1526 (#359dc61
on staging) forward to main, without pulling the other 1171
commits:
- canvas/src/components/tabs/ConfigTab.tsx
- RuntimeOption interface + FALLBACK_RUNTIME_OPTIONS (hermes,
gemini-cli included)
- useEffect fetches /templates and populates runtimeOptions
dynamically
- dropdown renders from runtimeOptions (no hardcoded list)
- Model becomes a combobox with datalist of available models
per selected runtime
- Required Env Vars auto-populates from the selected model's
required_env on model change
- workspace-server/internal/handlers/templates.go
- /templates endpoint returns [{id, name, runtime, models}] with
per-template models registry (id, name, required_env)
- workspace-server/internal/handlers/templates_test.go
- Tests for runtime+models parsing and legacy top-level model
fallback
The canvas Runtime dropdown now resolves "hermes" correctly;
Model dropdown shows the models[] from the hermes template; Env
auto-populates with HERMES_API_KEY (or whichever model selected).
Verified locally:
- workspace-server builds clean
- Template handler tests pass: TestTemplatesList_RuntimeAndModelsRegistry,
TestTemplatesList_LegacyTopLevelModel, TestTemplatesList_NonexistentDir
Follow-up: the staging→main promotion gap (#1496) is the
underlying process issue. Either merge that PR or adopt a policy
of landing fixes directly on main (as several PRs have today).
Files here were chosen minimally to avoid pulling unrelated staging
changes.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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