oxidizer: AIGenerateServerCommand → cognition/generate-response shim#1438
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RAG-mode generation now delegates to Rust via AIDecisionService — the same IPC seam PersonaUser's response path already uses. Rust owns prompt assembly (system prompt + history + time prefixes + hour-gap markers + identity reminder), provider routing, admission gating, timeout, and token-usage stamping (build_response_messages + build_response_generation_request in cognition/generate_response.rs). Direct-message + preview modes stay TS-side: - Direct mode is an introspection/test path that bypasses admission; Rust intentionally does not expose a "skip the gate" code path. - Preview mode reconstructs the request Rust would build as a local mirror. Source of truth is the Rust path; if assembly drifts a `cognition/preview-request` IPC is the fix. Mirrors the pattern from #1421 (should-respond) and #1426 (validate-response-decision). The 100-line of TS message-building that duplicated build_response_messages now lives only in Rust. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This was referenced May 26, 2026
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RAG-mode generation now delegates to Rust via `AIDecisionService` — the same IPC seam `PersonaUser`'s response path already uses. Rust owns:
All in `cognition/generate_response.rs::build_response_messages` + `build_response_generation_request`.
What stays TS-side
The preview-mode mirror is the only durable wet-code. If Rust prompt assembly drifts the fix is a `cognition/preview-request` IPC, not maintaining two copies.
Pattern
Mirrors #1421 (`should-respond` → `cognition/should-respond`) and #1426 (`validate-response` → `cognition/validate-response-decision`). The TS direct-message duplicate of `build_response_messages` is gone — Rust owns it.
Verification
🤖 Generated with Claude Code