tegwick
8886543aa0
Surface is always in play with hidden priorities 1..k, so available points are 6/9/12 against Standard thresholds 5/7/9 — every seat band is winnable. Encode the contract in edition rules, finish the workplan, and park optional difficulty tiers as GROUND-WP-0005.
113 lines
4.7 KiB
Markdown
113 lines
4.7 KiB
Markdown
---
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id: GROUND-WP-0004
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type: workplan
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title: "Reopen GR-E01: the void ruling rests on a premise clay-borg has corrected"
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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: "2026-08-03"
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updated: "2026-08-04"
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origin: correction
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origin_ref: GROUND-WP-0002
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state_hub_workstream_id: "067434eb-18cc-472f-b4ea-7dd16555629f"
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---
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# The GR-E01 ruling was made on a false premise, and clay-borg supplied it
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GROUND-WP-0002 T03 ruled `gr-e01-threshold-unreachable-2p`:
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> **Void / overturn as a rules gap** — stand-in artifact. With
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> authoritative `Problems.csv` (**12 pts available**) the printed
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> thresholds (2p→5, 3–4p→7, 5–6p→9) stand.
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**The 12 is wrong, and clay-borg is where it came from.** Twelve points
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exist *in the file*; clay-borg then “corrected” to 4 / 6 / 9 by treating
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GR-S01 as dealing 2 / 3 / 4 *total* problems from Surface upward. That
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undercount still drops the explicit Surface + hidden split in the rules.
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## The evidence that reopened this
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**1. Play.** The maintainer played several 3-player games on 2026-08-03
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and could not win any of them (engine stand-in / undercount shape).
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**2. Engine constants (stand-in):** max 3 / 6 / 10 vs thresholds 5 / 7 / 9
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— unreachable at 2–4 seats.
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**3. clay-borg “CSV deal”:** max 4 / 6 / 9 — still unreachable at 2–4.
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**Reproduction:** `gd0001_group_success_is_unreachable_below_five_seats`
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in clay-borg (stand-in / wrong deal depth).
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## Task: rule again, on the corrected numbers
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```task
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id: GROUND-WP-0004-T01
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status: done
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priority: high
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state_hub_task_id: "dcd7da12-be3a-4289-8d21-1924401a1259"
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```
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### RULED 2026-08-04 (maintainer confirmed direction)
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| question | ruling |
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|---|---|
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| **GR-S01 deal** | **Surface always** ∪ **hidden priorities `1..k`**, with `k = 2` (2p), `3` (3–4p), `4` (5–6p). Surface is never one of the hidden priority slots. |
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| **Available points** (`Problems.csv` values) | **6 / 9 / 12** for those seat bands — not 12-always, not 4/6/9. |
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| **GR-E01 thresholds** | **5 / 7 / 9 stand** as the **Standard** target. All are ≤ available. |
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| **SHARED GROUND seat range** | **2–6 players**, same as the box. Not a 5–6p-only mode. |
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| **`gr-e01-threshold-unreachable-2p`** | **Not a design gap.** Rewrite as a non-provisional **import/fixture check**: for every seat band, `sum(point_value of dealt Problems) ≥ threshold`. Invert/retire `gd0001` when the engine deals Surface + hidden correctly. |
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| **Difficulty tiers** | Not required to close this. Design parked as residual [GROUND-WP-0005](GROUND-WP-0005-difficulty-tiers-and-pressure-dial.md). |
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**Subtlety retained:** at 2p, values 2+2+2 mean need 5 still requires a
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**full clear** (any two cards sum to 4). Reachable ≠ forgiving.
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**Edition encoding (this session):**
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- `Rules_Text.csv` — explicit Surface-vs-hidden deal, available 6/9/12,
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threshold ≤ available invariant, 2–6 all modes.
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- `Scenarios.csv` — setup columns spell Surface + hidden + available +
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threshold (columns 5/7/9 unchanged).
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- `Modes.csv` — SHARED GROUND explicitly 2–6; semi/coalition note
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threshold ≤ available.
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- `README.csv` — one-line deal/threshold contract.
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- Analysis: [`history/260804-threshold-reachability-and-difficulty.md`](../history/260804-threshold-reachability-and-difficulty.md).
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## Task: how a clay-borg premise reached a ruling unchecked
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```task
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id: GROUND-WP-0004-T02
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status: done
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priority: medium
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state_hub_task_id: "bd1c7a7d-36a2-4bf4-ab42-8e5489706df4"
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```
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### RULED 2026-08-04 — process hygiene
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The original void ruling was **sound reasoning on a bad input**. clay-borg
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supplying a single aggregate (“12 in the file”) without a **Surface-
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separated deal table** made the error cheap to accept.
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**From this side, sufficient going forward:**
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1. Arithmetic findings must ship a **runnable reproduction** (clay-borg’s
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CB-WP-0022 practice) **and** a row-level deal table that lists Surface
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and each hidden priority separately — never only “sum of file” or
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“deal depth N”.
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2. ground-game rulings that depend on arithmetic **should cite** that
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reproduction id (or path) in the workplan ruling block so a later
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reader can re-run it.
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3. ground-game will **spot-check** deal tables against
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`Rules_Text` + `Problems.csv` before treating a gap as design vs
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import. A second wrong total (4/6/9) is how this reopened.
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Runnable repro alone is not enough if the engine under test encodes the
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wrong deal; the edition text remains authority for GR-S01.
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## Residuals
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- **[GROUND-WP-0005](GROUND-WP-0005-difficulty-tiers-and-pressure-dial.md)**
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— optional Learning/Mastery tiers + Pressure dial after playtest on
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correct deal (`origin: residual`, `origin_ref: GROUND-WP-0004`).
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- clay-borg: import Surface + hidden; rewrite `gr-e01` / invert `gd0001`.
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