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docs(notes): aggressive archive sweep of low-value decision records

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Archive 21 implemented triplets whose shipped decisions are complete and
whose bodies no longer guide future work (one-off UI chrome, generator
applications whose scripts are self-explanatory, superseded implementation
detail, process history owned by current contracts/skills). Delete 4
rejected triplets whose premises are obsolete: the DeepReadonly proposal
(dev-invariants note now carries the alternative inline), the collapse
tool-owned presentation proposal (superseded by the shipped render-intent
union), retire-mid-turn-steering (steering is now load-bearing across
plan-mode/apiproxy/TUI), and single-session-ACP (automation-only ACP
resolved the question; multi-session isolation is pinned by tests).

Repair every inbound link: retarget intentional historical citations to
archived paths, replace decision-current citations with the surviving
authority, and fix the stale example-execute-over-tsx pointer in
pnpm-workspace.yaml. Re-record pairing sidecars and seal the archive
manifest (append-only; existing seals unchanged).
This commit is contained in:
Tianyi Cui
2026-07-27 23:56:18 +08:00
parent 0dcdf188e2
commit f2c0021941
103 changed files with 203 additions and 389 deletions
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.agents/notes/implemented/simplification/2026-06-20-remove-agent-boundary-mirror-events.md
+3 -3
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@@ -10,7 +10,7 @@ English | [中文](2026-06-20-remove-agent-boundary-mirror-events.zh.md)
The original proposal bundled `agent/steering` into the removal; keeping it
out kept this Agent Note's scope to boundaries. Each retained event was later
removed by its own decision — see
[Stop mirroring the token stream as an agent event](2026-07-02-remove-stream-chunk-mirror.md)
[Stop mirroring the token stream as an agent event](../../archived/simplification/2026-07-02-remove-stream-chunk-mirror.md)
and [Remove the `agent/steering` mirror emit](../../archived/simplification/2026-07-04-remove-agent-steering-mirror.md). -->
## Problem
@@ -34,12 +34,12 @@ Removed (durable-boundary mirrors — the session log is authoritative for each)
RETAINED — NOT durable-boundary mirrors, so out of scope for this decision:
- `agent/steering` — not a boundary, so out of scope for THIS decision (the original proposal bundled it into the removal; that would have been scope creep here). It mirrors the durable `steering/message` control record rather than a boundary, and was removed by its own follow-up: [Remove the `agent/steering` mirror emit](../../archived/simplification/2026-07-04-remove-agent-steering-mirror.md).
- `agent/stream-chunk` — the live token stream. Out of scope for THIS decision (a mirror of the durable `assistant/chunk`, not a boundary), it was removed by its own follow-up: [Stop mirroring the token stream as an agent event](2026-07-02-remove-stream-chunk-mirror.md).
- `agent/stream-chunk` — the live token stream. Out of scope for THIS decision (a mirror of the durable `assistant/chunk`, not a boundary), it was removed by its own follow-up: [Stop mirroring the token stream as an agent event](../../archived/simplification/2026-07-02-remove-stream-chunk-mirror.md).
- `agent/created`, `agent/disposed`, `agent/status`, `agent/error`, `agent/queued` — lifecycle/control events that are not transcript data. `agent/queued` in particular is an inbox acknowledgement that fires before any durable event exists (cancelled queued work may never enter the log), so it is deliberately live-only.
## Alternatives considered
- **Bundling `agent/steering` into the removal** — the original proposal's shape; narrowed out as scope creep: it mirrors the durable `steering/message` control record, not a boundary, and was removed by [its own later decision](../../archived/simplification/2026-07-04-remove-agent-steering-mirror.md) (as was `agent/stream-chunk`, by [the stream-chunk-mirror Agent Note](2026-07-02-remove-stream-chunk-mirror.md)).
- **Bundling `agent/steering` into the removal** — the original proposal's shape; narrowed out as scope creep: it mirrors the durable `steering/message` control record, not a boundary, and was removed by [its own later decision](../../archived/simplification/2026-07-04-remove-agent-steering-mirror.md) (as was `agent/stream-chunk`, by [the stream-chunk-mirror Agent Note](../../archived/simplification/2026-07-02-remove-stream-chunk-mirror.md)).
- **Keeping the turn mirrors for the stdio UI** — [the event-domain-semantics Agent Note](../architecture/2026-06-30-event-domain-semantics.md)'s original stance; rejected here because `dsh-ui-stdio` is a disposable test REPL, not a load-bearing consumer, and it renders boundaries from `session/event` plus its live target object instead.
## Consequences