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docs: update simplifier role to producer-only [doc-updater] #3384

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jwbron merged 1 commit into from
Jun 30, 2026
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docs: update simplifier role to producer-only [doc-updater] #3384

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4 changes: 2 additions & 2 deletions docs/reference/agent-roles.md
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Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,7 @@ Use `get_roles_by_category(AgentCategory.REVIEW)` to dynamically query roles by
| Role | Category | Phase | Parallel? | Depends On |
|------|----------|-------|-----------|------------|
| `refiner` | Analysis | Refine | No | — |
| `simplifier` | Analysis (dual-role: advisory reviewer of the upstream producer) | Refine + Plan | Yes | refiner (refine) / task_planner (plan), advisory |
| `simplifier` | Analysis (producer only) | Refine + Plan | Yes | refiner (refine) / task_planner (plan) |
| `reviewer_refine` | Review | Refine | Yes (with `reviewer_agent_design`) | refiner, simplifier |
| `reviewer_agent_design` | Review | Refine (egg repo only) | Yes (with `reviewer_refine`) | refiner |
| `architect` | Analysis | Plan | No | — |
Expand Down Expand Up @@ -85,7 +85,7 @@ All agents within a phase run concurrently via BRC consensus. Concurrency is ena

**Purpose**: Produce a **human-focused companion** to the agent draft — a plain-language summary for a **broad audience (engineers, PMs, and managers)**, readable by a non-engineer, free of egg-internal jargon and implementation minutiae (no `file:line` refs or code identifiers). It **summarises** the draft — it does not review or critique it (no ACK/NACK or constraint-list framing in the companion). Runs in **both** the refine and plan phases. The agent-focused drafts (`-analysis.md` / `-plan.md`) are unchanged; the companion is an additional, mandatory artifact.

**Dual-role**: like the implement-phase `tester`, the simplifier is a producer whose work depends on an upstream producer's draft. It carries an **advisory** review edge over the upstream producer (`refiner` in refine, `task_planner` in plan) purely so the BRC `ack` arm re-invokes it when that producer proposes — its verdict never blocks the upstream's consensus. It then reads the proposed draft, writes the companion, and proposes it. The companion is reviewed CRITICAL by `reviewer_refine` (refine) / `reviewer_plan` (plan).
**Producer only** (#3381): the simplifier produces its companion and casts no verdict on anyone. It retains a **wake-only** advisory edge over the upstream producer (`refiner` in refine, `task_planner` in plan) as a structural marker — this edge carries no review obligation and is excluded from pending-review derivation and the reviewer confirm guards. The simplifier is woken to write the companion by the ordinary producer propose-arm (it self-gates on the upstream draft existing, orienting-and-exiting until the upstream proposes); it never issues an ACK or NACK on the upstream draft. The companion is reviewed CRITICAL by `reviewer_refine` (refine) / `reviewer_plan` (plan).

**File access**:
- Allowed writes: `.egg-state/drafts/`, `.egg-state/agent-outputs/`
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