Finish GROUND-WP-0002 rulings; hand off playtest residual as WP-0003

Record owner confirmations for SOLVE legality, U1–U10, the dataset
contract, and provisional scenarios (void gr-e01). Spawn GROUND-WP-0003
for full-game playtests of semi-coop and coalitions.

workplans/GROUND-WP-0003-playtest-semi-and-coalitions.md

@@ -0,0 +1,90 @@
+---
+id: GROUND-WP-0003
+type: workplan
+title: "Playtest GR-E03 semi-coop and GR-E04 coalitions to end of game"
+domain: consumer
+repo: ground-game
+status: ready
+owner: bernd
+topic_slug: whynot
+created: "2026-08-03"
+updated: "2026-08-03"
+origin: residual
+origin_ref: GROUND-WP-0002
+---
+
+# Playtest semi-coop and coalitions to the end
+
+**Residual of** [GROUND-WP-0002](GROUND-WP-0002-rulings-clay-borg-is-blocked-on.md)
+**T04.** Rules for both modes are ruled (Modes.csv + T03 confirms). What is
+missing is a full game — human table or full engine playout — through
+Round 5 and scoring.
+
+Nothing here changes the kernel unless play exposes a new underdetermined
+point; if it does, open a new rulings workplan rather than silent defaults.
+
+## Modes under test
+
+| Mode | Title | Success condition | Winner |
+|------|--------|-------------------|--------|
+| MODE_SEMI (GR-E03) | COMMON PROBLEM, PERSONAL EDGE | Group meets Scenario threshold | Among success: highest personal (claimed − Blame) |
+| MODE_COALITION (GR-E04) | BONDED COALITIONS | Group meets Scenario threshold | Highest Bond-network total; Rivalries do not connect; unbonded = coalition of one |
+
+## Task: 2p semi-coop full game
+
+```task
+id: GROUND-WP-0003-T01
+status: todo
+priority: high
+```
+
+Play or simulate one complete 2-player game under MODE_SEMI (threshold 5).
+Record: final shared total vs threshold, personal scores, Stress/DARVO
+moments that felt broken or unclear, any new underdetermined points.
+
+## Task: 4p semi-coop full game
+
+```task
+id: GROUND-WP-0003-T02
+status: todo
+priority: medium
+```
+
+Same checklist at 3–4p (threshold 7). Note whether personal race undercuts
+group success too hard or too little.
+
+## Task: 2p coalitions full game
+
+```task
+id: GROUND-WP-0003-T03
+status: todo
+priority: high
+```
+
+Complete 2p game under MODE_COALITION. At 2p a Bond makes one coalition of
+two; no Bond is two solo coalitions. Check that end scoring is intelligible.
+
+## Task: 4p coalitions full game
+
+```task
+id: GROUND-WP-0003-T04
+status: todo
+priority: medium
+```
+
+Complete 3–4p game under MODE_COALITION. Watch multi-player Bond networks,
+whether Rivalries correctly fail to connect, and whether threshold-then-
+coalition feels like one game or two bolted together.
+
+## Task: write playtest notes back into repo
+
+```task
+id: GROUND-WP-0003-T05
+status: todo
+priority: medium
+```
+
+For each completed run, leave a short note under `history/` (or append to
+this workplan) with date, mode, player count, outcome, and any follow-up
+ruling needs. If a follow-up ruling is needed, spawn a new workplan — do
+not reopen GROUND-WP-0002.