e6fad266a6
Define the in-file RFC contract in docs/rfc/README.md § The file format: the header block (`# RFC: <title>` plus a dateless Status enum cross-checked against the lifecycle folder), the per-lifecycle body skeleton (a Problem opener everywhere; Proposal/Alternatives considered/ Acceptance criteria/Risks in proposed/; present-tense Decision/ Consequences with proposal-era headings banned in implemented/; the frozen proposal shape in rejected/), and a mandatory Alternatives considered section with a date-fenced grandfather comment for pre-format RFCs whose alternatives are not reconstructible from the record. Enforce it with a new doc-sync gate, scripts/verify-rfc-format.ts, and normalize all 112 RFCs to it: ~15 Status-line spellings collapse to the enum, 29 Context openers become Problem, the 39 legacy-format XXX debt markers are resolved and banned from reappearing, proposal-era sections in implemented RFCs are rewritten to shipped reality (including the web/fs/subagent seam RFCs' migration plans and test checklists, closing the doc-tiers deferred-work item on the web seam), every RFC gains an Alternatives considered section or the grandfather comment, and the bilingual pair is re-mirrored and re-recorded. Move the generated index tables out of README.md into a fully generated docs/rfc/INDEX.md — gen-rfc-index now writes the whole file, and verify-rfc-classification checks its freshness and rejects index-shaped rows in the curated README — which makes room for the format contract to live in the README front door instead of a separate FORMAT.md. The decision record, and the first RFC written in the new format, is docs/rfc/implemented/process/2026-07-05-uniform-rfc-format.md.
30 lines
2.7 KiB
Markdown
30 lines
2.7 KiB
Markdown
# RFC: Drop ACP terminal `_meta` rendering
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Status: rejected — Zed is the current target client, and the terminal `_meta` convention is intentional Zed UX with a plain ACP fallback for other clients.
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## Problem
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The ACP bridge implements a Zed-specific terminal-card convention through `_meta.terminal_info`, `_meta.terminal_output`, and `_meta.terminal_exit`. The implemented [rich ACP bash rendering RFC](../../implemented/feature/2026-06-18-acp-terminal-and-tool-rendering.md) deliberately avoided ACP's client-side `terminal/create` because bash execution belongs in the harness, but still adopted the reference agents' display-only `_meta` convention. That gives a nicer Zed card at the cost of bridge state, capability negotiation, terminal ids, special update mapping, text fallback tests, and exit-pill parsing in `dsh-tool-bash`.
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The fallback path already exists: render the tool call and completed output as normal ACP content blocks. Non-Zed clients rely on that path anyway, but the Zed terminal card is a current target-client feature rather than speculative decoration.
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## Proposal
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Ignore `clientCapabilities._meta.terminal_output` and render bash results through the plain ACP content path. Keep execution agent-side through `dsh-bash`; only the display-specific terminal metadata is removed. A terminal card can return later if ACP standardizes agent-executed terminals or if the product decides Zed-specific display is worth the maintenance cost.
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This proposal is narrower than [collapsing tool-owned UI presentation](2026-06-20-generic-tool-rendering.md): it keeps generic `presentCall`/`presentResult` if those survive, but removes the terminal sub-shape and `_meta` mapping.
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## Acceptance criteria
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- ACP no longer reads or stores `_meta.terminal_output` capability state.
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- `TerminalRendering`, terminal ids, terminal cwd resolution, and `_meta.terminal_*` update mapping disappear from `@deepseek-ai/dsh-acp`.
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- `ToolTerminal` disappears from `@deepseek-ai/dsh-tools`, or is unused and deleted with the presentation cleanup.
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- Bash result presentation no longer parses exit status for terminal pills.
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- The implemented [rich ACP bash rendering RFC](../../implemented/feature/2026-06-18-acp-terminal-and-tool-rendering.md) stays in `implemented/` as shipped history and is cross-linked from this proposal if superseded.
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## What we give up
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Zed users lose the dedicated terminal card: no cwd header, terminal display, or exit pill. They still see the command and output as plain content. That is a reasonable simplification while the ACP bridge is still unreleased and the `_meta` keys are a convention rather than a standard.
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<!-- rfc-format: alternatives-not-recorded (pre-format RFC) -->
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