codex
b5730f280b
Records absent from central carried random pre-ADR-007 identifiers minted by the retired local hub, which C-06 refused as stale references. Deriving from the canonical record id takes no identity from anything. Refs CUST-WP-0068-T06 Assistant: claude-code Assistant-Model: opus Assistant-Process: 2583210@bnt-lap001 Assistant-Session: f2bff2d5-e9b2-4338-92ca-10282a927006
70 lines
2.5 KiB
Markdown
70 lines
2.5 KiB
Markdown
---
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id: GROUND-WP-0005
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type: workplan
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title: "Difficulty tiers (threshold ratio) and optional Pressure dial"
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domain: consumer
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repo: ground-game
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status: finished
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owner: bernd
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topic_slug: whynot
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created: "2026-08-04"
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updated: "2026-08-08"
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origin: residual
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origin_ref: GROUND-WP-0004
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state_hub_workstream_id: "7a91ccc8-fe04-5831-b427-677b2a49a972"
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---
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# Optional difficulty control after GR-E01 arithmetic is settled
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**Origin residual of GROUND-WP-0004.** Arithmetic winability is closed:
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Surface + hidden `1..k` → available 6/9/12; Standard thresholds 5/7/9.
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Design history:
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[`history/260804-threshold-reachability-and-difficulty.md`](../history/260804-threshold-reachability-and-difficulty.md).
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**Finished 2026-08-08.** No named Learning/Mastery **threshold** tiers for
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now. Pressure / difficulty variation lives on modular **aspects** (see
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[ASPECTS.md](../editions/ASPECTS.md) `difficulty_accessibility` and
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`problem_stress` / `problem_deal`).
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## Baseline receipt — [GROUND-RPT-0002](../reports/260805-clay-borg-difficulty.md)
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clay-borg proposed **no threshold changes**. Spread 72–100 points means
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single-policy win rate is not difficulty. 2p tightest; 5–6p play-matters-more.
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## Dial candidates (disposition)
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| Dial | Disposition |
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|------|-------------|
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| **L1 Threshold ratios** (Learning / Mastery) | **Not now.** No measured need; RPT-0002 against moving 5/7/9. |
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| **L2 Scope / composition** | **Preferred.** `problem_stress.scoped` measured (RPT-0005); further dials via `problem_deal` and profiles under [WP-0008](GROUND-WP-0008-composable-rules-modules.md). |
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| **Flat global stress** | **Rejected** as difficulty lever (H1 / RPT-0004). |
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If thresholds are revisited later: new workplan or reopen as residual of
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modular difficulty aspect — do not encode into r0 silently.
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## Task: decide whether to add named tiers
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```task
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id: GROUND-WP-0005-T01
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status: done
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priority: low
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state_hub_task_id: "59e584f6-afba-5ac3-aab9-8e793047f3ed"
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```
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**RULED 2026-08-08:** Keep **Standard thresholds only** (5 / 7 / 9). Do
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**not** add named Learning/Mastery threshold-ratio tiers at this time.
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Pressure dial path: modular aspects (`problem_stress`, future
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`problem_deal` / setup recipes), not threshold cards in r0.
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## Task: encode tiers in edition data (if T01 says yes)
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```task
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id: GROUND-WP-0005-T02
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status: cancel
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priority: low
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state_hub_task_id: "5569d823-1010-58a7-a97d-a1574c024aa8"
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```
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**Cancelled 2026-08-08.** T01 said no named threshold tiers. Encoding of
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scope mix / deal recipes is module/catalog work (WP-0008), not this task.
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