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Merge remote-tracking branch 'origin/master' into codex/pr353-retarget-master-20260719

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Tianyi Cui
2026-07-20 17:23:17 +08:00
parent 7aee299bda a9c5d4ee32
commit 60ecdbc88b
52 changed files with 391 additions and 620 deletions
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.agents/notes/implemented/architecture/2026-06-11-content-block-vocabulary.md
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@@ -10,7 +10,7 @@ The harness needs one internal language for messages that the loop, session log,
Own the vocabulary: messages are arrays of typed content blocks (`text`, `reasoning`, `tool-call`, `tool-result`), with the union derived from the merge-extensible `ContentBlockMap` so plugins add block types via declaration merging. The same merge-extensible-map pattern types every "stringly" field (`MessageSource`, `FinishReason`, `TurnTrigger`, `TurnEndReason`). Streaming is a raw chunk protocol; `BlockAssembler` is the single shared assembly implementation. Adapters translate to provider wire formats — mapping cost lives in adapters, where it belongs.
In-session context injection (`context/message`, `steering/message`) renders as tagged user-role envelopes (the system-reminder pattern) rather than a new role, so adapters carry zero burden. Live-adapter validation confirms this rendering for current DeepSeek behavior; a future provider-specific mismatch belongs in that adapter rather than a new canonical role.
In-session context injection (`context/message`) and mid-turn steering (`steering/message`) originally rendered as tagged user-role envelopes (the system-reminder pattern) rather than a new role, so adapters carry zero burden. Both now project as plain user content with no wrapper; see [the injected-content-envelope Agent Note](../simplification/2026-07-20-unwrap-injected-content-envelopes.md). Live-adapter validation confirms this rendering for current DeepSeek behavior; a future provider-specific mismatch belongs in that adapter rather than a new canonical role.
## Alternatives considered