81 lines
3.0 KiB
Markdown
81 lines
3.0 KiB
Markdown
<!-- event: create author: "yoi ticket" at: 2026-06-25T14:44:02Z -->
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## 作成
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LocalTicketBackend によって作成されました。
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---
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<!-- event: intake_summary author: hare at: 2026-06-25T16:34:16Z -->
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## Intake summary
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Marked ready by `yoi ticket state`.
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---
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<!-- event: state_changed author: "yoi ticket" at: 2026-06-25T16:34:16Z from: planning to: ready reason: cli_state field: state -->
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## State changed
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Marked ready by `yoi ticket state`.
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---
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<!-- event: state_changed author: "yoi ticket" at: 2026-06-25T16:42:14Z from: ready to: planning reason: cli_state field: state -->
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## State changed
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State changed to `planning`.
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---
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<!-- event: decision author: hare at: 2026-06-25T16:42:14Z -->
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## Decision
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Returned to planning because the current ticket is not concrete enough.
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The purpose is specifically observation: Backend subscribes to a Runtime-owned WebSocket stream to receive Worker output and related runtime/worker events. It is not a command channel, not browser-facing, and not the path for sending user input.
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Before this can be ready, define the event model and protocol boundary concretely:
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- which Worker output events are streamed (text delta/final, reasoning visibility policy, tool call lifecycle, status, run started/completed/errored, usage, diagnostics);
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- whether the stream is runtime-wide, worker-scoped, or both;
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- event envelope shape, event id/cursor semantics, ordering, backlog, reconnect behavior, and unknown/expired cursor handling;
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- relationship between streamed output and transcript projection/event log persistence;
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- Backend client/proxy expectations and how Browser receives the projection without connecting directly to Runtime;
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- what is deliberately excluded from the stream, such as raw provider trace or raw full session log.
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---
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<!-- event: decision author: hare at: 2026-06-25T20:05:49Z -->
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## Decision
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Runtime WebSocket event stream は、新しい Worker output protocol を作らず `crates/protocol` の `protocol::Event` を Backend-facing observation payload として流す方針にする。Runtime WS は `protocol::Event` の variant allowlist / subset を定義せず、worker-scoped envelope に event id / cursor / worker id を付けて Worker event bus の `protocol::Event` を forward する。
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Browser / Web UI は Runtime WS に直接接続しない。Backend が Runtime WS client になり、Browser-facing stream は Backend-owned projection layer を通す。この projection layer を、後続の Web 権限制御で observation allow/deny、thinking/tool output/diagnostic redaction、operation-capable command API forwarding allow/deny を差し込む境界にする。STJT では full auth model は実装せず、この seam を型と責務として作る。
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---
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<!-- event: intake_summary author: hare at: 2026-06-25T20:10:54Z -->
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## Intake summary
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Marked ready by `yoi ticket state`.
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---
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<!-- event: state_changed author: "yoi ticket" at: 2026-06-25T20:10:54Z from: planning to: ready reason: cli_state field: state -->
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## State changed
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Marked ready by `yoi ticket state`.
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---
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