The ShellDialect marker on BashExecutor and the load-time rejection in tool-bash/tool-pwsh force every test and example fake executor to declare a dialect for a guard with no in-repo or plausible deployment to catch (shipped compositions always pair the tool with its matching executor), and they break the example composition suites that stub ctx.bash without a dialect (agent-spine-demo/cli-demo/acp-demo lost the bash tool). Keep the non-dialect doc fixes that landed with the attempt: the tool-bash README bashEnv contract trim with the stale example import removed, the acp-snapshot suite.ts 'usable pwsh' JSDoc, and the pwsh.cordis.yml comment indent. The parity note records the attempt and revert under Alternatives.
context/ — request-context extensions
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Product plugins that add model-visible request context without defining a tool. workspace-context is included by the default dsh-agent-spine-demo bundle and can be disabled through bundle config; time-context and tmux-context are opt-in, while the standard TUI bundle composes session-reference explicitly.
| Package | Role | ctx key |
|---|---|---|
session-reference/ |
Bounded current-surface snapshots of other sessions | ctx.sessionReferences |
time-context/ |
Durable per-step current time and elapsed-time context | (none) |
tmux-context/ |
Durable per-turn context with this agent's tmux pane/window location | (listens on agent/step, reads ctx.bash) |
workspace-context/ |
AGENTS.md/CLAUDE.md workspace context loader |
(listens on agent/step + tools/post-execute) |
The workspace-context decision record explains its per-agent/session isolation and lifecycle split.