molecule-ai/molecule-ai-workspace-template-claude-code
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molecule-ai-workspace-templ.../known-issues.md
Molecule AI Plugin-Dev c930626f82 fix(adapter): warn at startup if CLAUDE_CODE_OAUTH_TOKEN is absent (KI-001) 
adapter.py:setup() now emits a logger.warning() if CLAUDE_CODE_OAUTH_TOKEN
is absent, so operators see the problem immediately instead of getting a silent
AuthenticationError on the first LLM call. known-issues.md updated to mark
KI-001 as resolved.
2026-04-29 01:57:16 -07:00

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Known Issues — claude-code Workspace Template

This document tracks unresolved and partially-resolved issues that are known to occur when running this workspace template. Each entry includes the symptom, affected versions, workaround, and (where applicable) a link to the upstream or internal tracker.

1. CLAUDE_CODE_OAUTH_TOKEN Missing Causes Silent Auth Failures

Status: ✅ RESOLVED (2026-04-23)

adapter.py:setup() now emits a logger.warning() if CLAUDE_CODE_OAUTH_TOKEN is absent, so operators see the problem immediately at startup rather than a silent AuthenticationError on the first LLM call. Fix shipped in PR #1753 (fix/oauth-token-startup-warning).

2. HEARTBEAT Not Emitted — Platform Shows "Silent" Status

Severity: Medium Affects: All template versions prior to explicit HEARTBEAT wiring.

Symptom: The Molecule platform activity dashboard shows the workspace as "silent" even though the agent is actively processing tasks. No heartbeat events arrive at the platform. The platform may timeout the workspace as inactive.

Root cause: The entrypoint.sh launches the adapter but does not configure a HEARTBEAT interval. The platform relies on periodic POSTs to /api/v1/heartbeat to confirm liveness. Without this, long-running agent tasks (> ~60s) may trigger platform timeouts.

Workaround: Set HEARTBEAT_INTERVAL_SECONDS in the environment (if supported by the adapter):

export HEARTBEAT_INTERVAL_SECONDS=30
python adapter.py

Or, if the adapter does not support this env var, keep agent tasks short (< 60s) or use delegate_task_async to return control immediately.

Fix: The adapter should emit a HEARTBEAT event every 30 seconds when running in platform mode. A future template update will add explicit HEARTBEAT wiring.

3. system-prompt.md Customisations Overwritten on Template Update

Severity: Medium Affects: Users who customise system-prompt.md directly in the workspace.

Symptom: After pulling a new template version (e.g. git pull in a persistent workspace), the agent's behaviour changes unexpectedly even though config.yaml was not modified. On inspection, system-prompt.md has been overwritten with the template's canonical version.

Root cause: system-prompt.md is a template-managed file. When the platform rebuilds or refreshes the workspace container it copies files from the registered template tag, overwriting any local customisations.

Workaround — Option A (recommended): Do not edit system-prompt.md directly. If the platform supports an override mechanism, use MOLECULE_SYSTEM_PROMPT_OVERRIDE environment variable or the system_prompt_override field in config.yaml (platform v1.2+).

Workaround — Option B: Fork the template and pin to a specific tag. Apply your customisations as patches on top of that tag.

4. template_schema_version Drift After Platform Upgrade

Severity: High Affects: Any workspace pinned to a schema version below the platform minimum after a platform upgrade.

Symptom: The adapter fails to start with:

ValidationError: template schema version '1' is not supported.
Minimum supported version: '2'. Please update config.yaml.

Root cause: The Molecule platform increments the minimum supported template_schema_version when it makes backward-incompatible changes to the config format. Workspaces that pin an older schema version will fail validation immediately.

Workaround: After a platform upgrade, edit config.yaml and update the template_schema_version field to the new minimum reported in the platform's release notes:

template_schema_version: 2   # change from 1 to 2

Prevention: Check the platform release notes before updating the platform. The release checklist in CLAUDE.md includes a step to review the platform's minimum schema version before tagging a new template release.

Fix: Once template_schema_version is updated, the adapter starts normally. No adapter code changes are required for schema-only bumps.