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# Conflicts: # .agents/notes/implemented/architecture/2026-07-22-unified-send-and-coalesced-user-messages.i18n.yaml # .agents/notes/implemented/architecture/2026-07-22-unified-send-and-coalesced-user-messages.md # .agents/notes/implemented/architecture/2026-07-22-unified-send-and-coalesced-user-messages.zh.md # docs/architecture.i18n.yaml # docs/architecture.md # docs/architecture.zh.md # docs/core-data-structures/core.md # packages/context/session-reference/README.md # packages/cordis/tool-cordis/src/api-catalog.ts # packages/core/agent-loop/README.md # packages/core/agent-loop/src/agent.ts # packages/core/agent-loop/src/inbox.ts # packages/core/agent-loop/tests/agent.spec.ts # packages/core/agent-loop/tests/cancel.spec.ts # packages/core/agent-loop/tests/contract-regressions.spec.ts # packages/core/agent-loop/tests/coverage-edges.spec.ts # packages/core/agent-loop/tests/interception.spec.ts # packages/core/agent-loop/tests/loop.spec.ts # packages/core/agent/README.md # packages/core/agent/src/types.ts # packages/core/agent/tests/agent.spec.ts # packages/ui/acp/src/index.ts # packages/ui/tui/src/index.ts # packages/ui/tui/tests/harness.ts
guard/ — loop-hygiene guard family
Behavioral guard plugins that watch the agent loop for unproductive patterns and nudge the model back on course. A single product package — there is no interface/implementation seam here, because a guard is a self-contained consumer of existing core seams (tools/post-execute, agent/prompt-submit, agent/status), not a swappable capability.
| Package | Role | ctx key |
|---|---|---|
repeat-tool-guard/ |
Advisory reminders when an agent loops on identical tool calls | (listens on ctx.tools' waterfalls) |
Reminders travel as additionalContexts on the tools/post-execute decision; the agent loop appends them as logged context/message events after the step's tool results (see the tools package), so everything a guard says to the model is reconstructable from the session log.