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docs(voyage): add fable profile row and correct model-allowlist prose

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Kjell Tore Guttormsen 2026-07-02 17:13:15 +02:00
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README.md
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@ -151,7 +151,7 @@ Output: `.claude/projects/{YYYY-MM-DD}-{slug}/brief.md`
|------|-------|----------|
| **Default** | `/trekbrief <task>` | Dynamic interview until quality gates pass. No question cap. |
| **Quick** | `/trekbrief --quick <task>` | Starts compact (optional sections get at most one probe), still escalates on weak required sections or failed review gate. |
| **Profile** | `/trekbrief --profile <name> <task>` | (v4.1.0) Pin model profile for the brief phase: `economy` / `balanced` / `premium` / `<custom>`. See [Profile system](#profile-system-v410) below. |
| **Profile** | `/trekbrief --profile <name> <task>` | (v4.1.0) Pin model profile for the brief phase: `economy` / `balanced` / `premium` / `fable` / `<custom>`. See [Profile system](#profile-system-v410) below. |
`/trekbrief` is **always interactive**. There is no foreground/background mode — the interview requires user input.
@ -779,13 +779,14 @@ An optional architect step between research and plan was previously available vi
## Profile system (v4.1.0)
Three built-in model profiles plus operator-defined `<custom>.yaml` (drop in `lib/profiles/`). Each profile pins `phase_models` for the six pipeline phases. The active profile is recorded in plan.md frontmatter as `profile: <name>` and emitted to JSONL stats for cost-attribution.
Four built-in model profiles plus operator-defined `<custom>.yaml` (drop in `lib/profiles/`). Each profile pins `phase_models` for the six pipeline phases. The active profile is recorded in plan.md frontmatter as `profile: <name>` and emitted to JSONL stats for cost-attribution.
| Profile | Brief | Research | Plan | Execute | Review | Continue | Use case |
|---------|-------|----------|------|---------|--------|----------|----------|
| `economy` | sonnet | sonnet | sonnet | sonnet | sonnet | sonnet | ⚠ **Experimental** (uncalibrated Jaccard floor) — lowest cost; high-confidence small-scope tasks (opt-in via `--profile economy`) |
| `balanced` | sonnet | sonnet | opus | sonnet | opus | sonnet | Mixed — opus where reasoning depth pays off (opt-in via `--profile balanced`) |
| `premium` (default) | opus | opus | opus | opus | opus | opus | Maximum quality — Opus on every phase (default since the 2026-05-13 operator decision) |
| `fable` | fable | fable | fable | fable | fable | fable | Max quality — Fable 5 (Mythos-class, above Opus) on every phase (opt-in via `--profile fable`); reasoning effort inherits from the session |
Lookup order:
@ -810,9 +811,9 @@ Default JSONL stats stream (`${CLAUDE_PLUGIN_DATA}/trek*-stats.jsonl`) is unchan
## Cost profile
The default `premium` profile runs **Opus on every phase** — the orchestrator (one per command), the exploration and review swarms (5–10 sub-agents per command, all `model: opus`-pinned in `agents/*.md`), and the executor (one per plan session). The model is **uniform per phase**: there is no "Opus orchestrates, Sonnet runs the swarms" split — a phase resolves to one model and both the orchestrator and its sub-agents use it. For cheaper runs, opt into `--profile balanced` (Sonnet on brief/research/execute/continue, Opus on plan + review) or `--profile economy` (Sonnet everywhere). Per-command cost is published in `${CLAUDE_PLUGIN_DATA}/trek*-stats.jsonl` if you want exact numbers.
The default `premium` profile runs **Opus on every phase** of the pipeline's agent work — the exploration and review swarms (5–10 sub-agents per command; spawn sites inject the composed brief > profile > frontmatter resolution, with `agents/*.md` `model: opus` pins as the fallback) and the executor (one per plan session). The command orchestrator itself is not profile-controlled: as of v5.9, command frontmatter omits `model:`, so the orchestrator follows the session model. For cheaper runs, opt into `--profile balanced` (Sonnet on brief/research/execute/continue, Opus on plan + review) or `--profile economy` (Sonnet everywhere); for maximum quality, `--profile fable` (Fable 5 on every phase). Per-command cost is published in `${CLAUDE_PLUGIN_DATA}/trek*-stats.jsonl` if you want exact numbers.
The `opus` alias resolves to **Opus 4.8** (default reasoning effort `high`) and `sonnet` to Sonnet 4.6. Note two distinct effort axes that share the word "effort": brief `phase_signals.effort` (low/standard/high) tunes *orchestration shape* — how many agents and passes run — while native `effort:` on selected agents (retrieval at `medium`, adversarial-reasoning at `high`) tunes the *per-spawn reasoning budget*. See [`docs/profiles.md`](docs/profiles.md) § Model & effort axes.
The `opus` alias resolves to **Opus 4.8** (default reasoning effort `high`), `sonnet` to Sonnet 4.6, and `fable` to **Fable 5** (Mythos-class, above Opus; default reasoning effort `high` — xhigh requires a session-level setting, see [`docs/profiles.md`](docs/profiles.md)). Note two distinct effort axes that share the word "effort": brief `phase_signals.effort` (low/standard/high) tunes *orchestration shape* — how many agents and passes run — while native `effort:` on selected agents (retrieval at `medium`, adversarial-reasoning at `high`) tunes the *per-spawn reasoning budget*. See [`docs/profiles.md`](docs/profiles.md) § Model & effort axes.
For per-profile cost estimates, see [`docs/profiles.md`](docs/profiles.md).