0.2.5-dev: merge claude/036-sim

# Conflicts:
#	CHANGELOG.md
#	docs/history/0.2.5.md
#	test/golden/matches.json
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@@ -521,3 +521,186 @@ level-6 offers match the previous roll, including the one that shows the tier-6
allowed. The digest records
shop draws, fielded pieces, board hashes and the rng state, not an untaken reward card, so the stored scenario does
not move. The release-relative total against 0.2.4 stays 46.
### 30.17 Funnel normal attacks keep a body hit
PR #537 by @Xinglan233. [PRTS 分支特性信息 驭械术师](https://prts.wiki/w/分支特性信息/data) says a drone that has not
been released by a skill deals additional damage on top of the operator's attack: 20 % ATK at first, +15 on the same
target, cap 110 %. A skill-released drone deals skill damage.
The profession used to return that ramp as the whole normal-attack multiplier, so the body hit was missing.
`resolveHit` now keeps a 100 % ATK body instance and separate drone instances. `funnelMul` holds only the drone ramp;
an attack's `dmgMul` (至简's talent) is applied once to both. Extra attached drones raise `hits`, not the body count.
至简's charged S2 sets `funnelBodyHits`, so two body hits and two additions share one ramp step. Both share one
`attackId` and one attack hook; only the body is `isAttack`. Additions carry `addition` and `funnel` and are not also
emitted as a normal attack.
[ASSUMED] Body instances precede additions at the existing projectile impact, and a multi-hit volley takes one ramp
step. Ordinary attacks and any skill that only buffs or retargets the normal attack keep the body. `info.isSkill` is
not the switch: every attack or targeting override sets it. `funnelBodyHits === 0` means the attack is drone-only
(the ramp stays inside those hits and no body is added). 荒芜拉普兰德 S2 sets that. 至简 S2 sets `funnelBodyHits`
to two, so two body hits and two additions still share one ramp step.
耶拉 S2, base and hidden, follows the 洛洛 S2 split. `skchr_kjera_2` (docs/research/03-operators.md) says 自身与浮游单元
攻击, and the lock lasts until the enemy dies or the skill ends. While it runs, `funnelMul` is detached, so her own
shot is one 100 % `isAttack` hit inside her range and the unreleased addition is off. `1 + attack@cnt` drones tick
on their own (`kjera:drone`, arts, `isSkill`, not `isAttack`) and may stay outside her range. Cold is rolled once
on the body and once on each drone hit. Ending the skill restores the multiplier.
[ASSUMED] Those released drones use the trait ramp (20 % → +15 % on the same target → the cap). Her blackboard has
no drone scale; the branch page gives that ramp to drones that were not released. The base form continues its
per-target ramp, and two drones on one enemy in the same tick take one step. That map is written back when the skill
ends. The hidden form restarts each drone at the initial scale, and those scales are not written back onto the single
trait ramp. There is no flight delay. A lock that can no longer be targeted is dropped and the drone retargets. Stun
and disarm do not pause the released drones. An in-flight shot from before the skill can still step the live ramp;
the skill keeps its own copy, and a shot that lands after the skill ends can step the restored ramp.
[ASSUMED] 荒芜拉普兰德 S1 says 释放浮游单元 and does not say she stops attacking. The toggle is read as a retarget of
the unreleased attack: one body hit plus the two additions, at the raised ATK. A 洛洛-style release is not used.
澄闪's skills and 荒芜拉普兰德 S3 stay on their own `dealDamage` paths. 澄闪 S3 and the skill-drone simulator on
淬羽 are unchanged.
Kits that stored the ramp on `dmgMul` (至简, both 耶拉 forms, 澄闪 S2) now store it on `funnelMul`.
Tests: `test/sim/funnel-body.test.js`, and the funnel cases in `kits_t3`, `kits_t4`, `kits_t6`, `kits_alt_t6`,
`kits_alt_t2` and `op_gdglow`. The golden moves from this correction, measured against the candidate after §30.22,
are §30.23.
### 30.18 Redeploy resets the drone ramp
PR #536 by @Xinglan233. The same branch page says that changing target, or redeploying the operator, restores the
drone damage to its initial value at once.
`installFunnel` resets `funnelTarget`, `funnelScale` and the per-target `funnelMap` (耶拉 / 至简) on a normal
deployment, including automatic revival against the same living target. A free move (`moveRedeploy`, the same carry
as a 秘术师's stored energy and 乌尔比安 S3) keeps the ramp. An in-flight drone still applies the ramp it computes on
impact, so a shot launched before the reset can step the new ramp. That limit is documented and not changed.
Tests: `test/sim/funnel-redeploy.test.js`, `test/match/funnel-redeploy.test.js`.
### 30.19 洛洛 S2 keeps its lock outside her range
PR #535 by @Xinglan233. The official skill table `skchr_rockr_2`, as recorded in `docs/research/03-operators.md`,
says the released drone stays locked until the enemy is killed or the skill ends, then returns. Leaving her attack
range is not a return condition. The branch page says a skill-released drone deals skill damage, and that additional
damage belongs to drones that were not released.
S2 now runs one independent skill tick (`rockr:drone`, one drone at both ranks). While the skill is up the trait
multiplier is detached, so new body shots are ordinary attacks and the unreleased addition is off. The drone's hits
are arts skill damage (`isSkill`, not `isAttack`). It inherits the trait ramp on its own copy, so an older projectile
cannot change that ramp. A living selectable lock stays valid outside the body's range. Ending the skill writes the
ramp back and restores the multiplier and the overload cap. S1 and other operators' funnel attacks keep their
existing paths. 立于磐石 is unchanged.
[ASSUMED] There is no flight delay. A lock that becomes untargetable is dropped and the drone retargets. Body control
(stun and the like) does not pause the released drone.
Tests: `test/content/rockrock-s2-lock.test.js`, and the 洛洛 case in `kits_t1t2`.
### 30.20 Hit tiles use half-even rounding
PR #520 by @Cloudnyco. PRTS 作战机制 (oldid 433935, 「碰撞体积与位置识别」) says the struck unit's coordinates are
rounded half to even (四舍六入五成双) onto the tile they occupy. `Math.round` sends an exact .5 toward +∞, so an enemy
held on an outer half-tile was indexed off the board and dropped from the hit index.
`roundHalfEven` is used for hit tiles only: `body.js` `posKey`, the point cases of `bodyOnTile` and `bodyTileReach`,
the point-enemy index in `battle/queries.js`, and `targeting.js` `tileKeyOf`. Movement, knockback, `ai.js`, a unit's
standing tile for range keys, and `onFrontLine` still use `Math.round`. #519's signed-zero case in `powi` was already
on this candidate and is left as it is.
[ASSUMED] `FIELD_EDGE_INSET` = 1/1048576 pulls a clamped enemy just inside the outer half-tile, so half-even rounding
keeps it on the edge tile. An inset of 1/1024 was rejected because it moved unbalance steps. The inset has no
official source.
Tests: `test/sim/hit-tile-round.test.js`, `test/sim/detmath.test.js`, the edge landing in
`feedback5-raid-own-board`, the 连星 probe in `op_wang`, and the 麦哲伦 probe in `feedback5-wv-summon-triggers`.
### 30.21 Bots soft-reserve a living teammate's opening bonds
PR #518 by @IceCodeNew, for issue #514. This is not an official rule. It extends the accepted #407 card penalty.
Opening-band choice and focus planning used to ignore a living teammate's selected strategy until someone from it was
deployed, so a bot could take that faction's high cards. A living teammate's strategy now soft-reserves its bonds for
both choices, before any member is deployed. The reservation ends when that teammate is eliminated (`alivePlayers`).
It does not hard-exclude a strategy, reserve stock, or stop an immediate merge. A reserved band's draw weight is a
quarter of its unreserved weight (`SOFT_BAND_RESERVE` = 0.25) and stays above zero, so the strategy can still be
drawn. Focus planning applies the existing −6 teammate penalty to those bonds as well. Mode-inactive bonds stay
weight 0 (DESIGN §21.26). A solo match has no teammate to reserve against. The shared-pool −18 card penalty is
unchanged, and a stronger merge can still win it.
[ASSUMED] The quarter weight is a project choice. The PR text called the reservation soft; its diff hard-zeroed the
weight. This candidate follows the text. The reservation is equal for human and AI teammates.
Tests: the two `#514` cases in `test/match/bot-smarter.test.js`. One proves the focus leaves the reserved bond while
the teammate lives and returns after elimination. The other proves a reserved strategy is still drawn, and drawn more
often once that teammate is eliminated. The existing card test still shows a merge outscoring the −18 penalty.
### 30.22 Golden changes after the funnel, hit-tile and bot-reservation ports
All 287 scenarios were recomputed once after §30.17–§30.21 and compared with this candidate before those ports
(`HEAD` `7fd0478d`, `git show HEAD:test/golden/*.json`). No scenario was added or removed. 43 digests differ from
that candidate. They are additional to §30.9 and §30.16.
Against released 0.2.4 the total is now 64. Of the previous 45, 21 are byte-for-byte the digests already on this
candidate and are not repeated below: `roster-011`, `roster-012`, `roster-013`, `roster-032`, `roster-033`,
`roster-034`, `roster-039`, `roster-040`, `roster-043`, `bond-maniShip-high`, `bond-yanShip-low`,
`boss-boss_2-pair`, `boss-boss_5-solo`, `hidden-boss_8-pair`, `hidden-boss_9-solo`, `solo-NORMAL-2`,
`coop2-NORMAL-3`, `solo-HARD-9-boosted`, `coop2-ABYSS-10-boosted`, `standin-06`, `standin-07`. The other 24 of
those 45 moved again, and 19 scenarios that still matched 0.2.4 on this candidate now differ.
Opening strategy ids do not change in any of the 20 match digests. A solo match has no teammate, so §30.21 cannot
move one. Co-op seeds keep the same `bandId` and the same bot-draw counts except `coop4-ABYSS-7`. The recorded
match moves are battle totals from §30.17–§30.20, and the later gold and LP those totals change. No isolated
counterfactual was re-run; the groups below follow who is actually on the board.
| Cause | Changed scenarios |
|---|---|
| Funnel body hit plus redeploy reset, and 洛洛 S2's independent lock (§30.17–§30.19). These boards include 洛洛 | `roster-004`, `roster-005`, `roster-023`, `roster-024`, `bond-victoriaShip-low`, `bond-victoriaShip-high` |
| Funnel body hit plus redeploy reset (§30.17–§30.18). 至简 and/or 耶拉, not 洛洛 | `roster-007`, `roster-009`, `roster-026`, `roster-028`, `bond-deputShip-low`, `bond-emptyShip-low`, `bond-kjeragShip-high`, `bond-maniShip-low`, `bond-miraShip-low`, `bond-sargonShip-high`, `bond-soloShip-low`, `bond-visiShip-low` |
| Same body hit and redeploy reset on 荒芜拉普兰德 | `roster-017`, `roster-019`, `roster-036`, `roster-046`, `roster-047`, `boss-boss_3-pair`, `boss-boss_5-pair`, `boss-boss_7-pair`, `hidden-boss_9-pair` |
| 澄闪 DIY: the normal attack is a body hit plus one drone addition (§30.17) | `diy-098`, `diy-099` |
| Hit-tile half-even rounding and the edge inset (§30.20). No funnel operator is deployed; the damage total stays 1388100 and the hook counts and the snapshot sample at index 27 move | `standin-04` |
| Full matches. Opening bands are unchanged. Final lineups include a funnel operator, except `coop2-HARD-4` (both seats eliminated, lineup empty) and `coop3-ABYSS-5` (the surviving lineup has none), whose first divergence is round 7 and round 5; those two are the hit-tile change, or a funnel operator who is not left in the stored lineup | `solo-FUNNY-1`, `solo-FUNNY-2`, `solo-NORMAL-1`, `solo-HARD-1`, `solo-ABYSS-1`, `coop2-HARD-4`, `coop2-NORMAL-1-coverage-standins`, `coop2-NORMAL-5-coverage-diy`, `coop2-NORMAL-8-serverrun`, `coop2-NORMAL-70-diy`, `coop3-ABYSS-5`, `coop4-FUNNY-6`, `coop4-ABYSS-7` |
Result flips inside that match list: `solo-NORMAL-1` defeat → victory (team LP 0 → 2); `solo-FUNNY-1` team LP 15 → 23
and `solo-FUNNY-2` team LP 8 → 23, both still victories, with every settled round row unchanged; `coop2-NORMAL-8-serverrun`
team LP 26 → 27; `coop4-ABYSS-7` eliminated at round 12 → defeat at round 13, and its shop and bot draw counts change.
The other matches keep the same end reason. `standin-04` is the only battle in this set with no funnel operator on
the board.
### 30.23 Golden changes after the skill-only funnel body correction
All 287 scenarios were recomputed after the §30.17 correction (a skill that only buffs or retargets keeps the body;
耶拉 S2 uses the 洛洛 split) and compared with this candidate after §30.22 (`HEAD` `e0f37718`,
`git show HEAD:test/golden/*.json`). No scenario was added or removed. `fields`, `standins` and `diy` are unchanged
(澄闪 stays on `dealDamage`). 19 digests differ. They are additional to §30.9, §30.16 and §30.22. Seventeen of them
already moved in §30.22 and move again. `roster-038` and `coop2-NORMAL-14-standins` did not move in §30.22.
Opening strategy ids do not change in any of the 20 match digests. No isolated counterfactual was re-run. The roster
and bond rows name the skill index the corpus assigns: 耶拉 index 1 is 心随意动, 荒芜拉普兰德 index 0 is 慵怠者悲鸣.
至简 is on two of those roster boards at index 1; her S2 already kept two body hits, and her totals move because the
fight around 耶拉 changed.
| Cause | Changed scenarios |
|---|---|
| 耶拉 S2, base form, skill index 1. `roster-007` also fields 至简 S2 | `roster-007`, `roster-009` |
| 耶拉 S2, skill index 1. No 荒芜拉普兰德 on the board | `bond-emptyShip-low`, `bond-kjeragShip-high`, `bond-miraShip-low`, `bond-soloShip-low` |
| 荒芜拉普兰德 S1, skill index 0. The toggle keeps one body hit and both unreleased additions | `roster-036`, `roster-038` |
Battle-total flips in that table: `roster-007` killed 132 → 137, leaks 41 → 37, coins 4 → 6, deaths 11 → 10, damage
234357 → 243212 (耶拉's own damage 9204 → 17443; 至简 8936 → 9558). `roster-009` keeps the same kills and leaks;
耶拉's damage 2 → 3 and 至简's kills 28 → 29, damage 7594 → 7168. `roster-036` killed 75 → 76, leaks 55 → 54,
damage 1160465 → 1189341 (荒芜拉普兰德 60604 → 99946, kills 2 → 3). `roster-038` damage 3467641 → 3468742
(荒芜拉普兰德 kills 4 → 14, damage 106163 → 187571). The four bonds keep the same kills and leaks. `bond-emptyShip-low`
healing 381 → 362; 耶拉's damage 6585 → 11450 (kills 1 → 3), `bond-kjeragShip-high` 6927 → 16312,
`bond-miraShip-low` 10165 → 18617 (kills 2 → 4), `bond-soloShip-low` 1963 → 2764.
Match end and the final lineup. A bot's chosen skill is not stored. Where the final lineup still contains 耶拉, her
default skill is S2, which is the skill this correction changes.
| Final lineup | Changed scenarios and the recorded end |
|---|---|
| 耶拉, lineup unchanged | `solo-FUNNY-1` (`3_20_b`): victory, team LP 23 → 27; only round 8's bond layers move (steadShip 34 → 35). `solo-FUNNY-2` (`3_20_a`): victory, team LP 23 → 29; all eight stored round rows are identical, so the LP change is the boss round. `solo-NORMAL-1` (`3_20_b`): victory, team LP 2 → 11; first divergence round 10 (kjeragShip 13 → 14). `solo-HARD-1` (`3_20_a` and 至简 `3_13_a`): still a defeat, team LP 0, boss pool 215042 → 212054; first divergence round 8, the board hash. `coop2-NORMAL-8-serverrun` (ai_1 `3_20_a`): victory, team LP 27 → 37 (ai_0 LP 10 → 19, ai_1 LP 17 → 18); first divergence round 8, ai_1 killed 22 → 23, leaks 1 → 0. `coop2-NORMAL-5-coverage-diy` (ai_0 `3_20_a`): victory, team LP 33 → 34 (h_0 LP 27 → 28); first divergence round 13, ai_0's board hash, killed 26 → 21, leaks 17 → 22 |
| 耶拉 was on the pre-change lineup; that seat is then eliminated and the stored lineup is empty | `solo-ABYSS-1`: defeat at round 13 → eliminated at round 12, team LP 0 → null. The pre-change lineup had 耶拉 `3_20_a` and 至简 `3_13_a`. First divergence round 8: LP 27 → 18, killed 19 → 10, leaks 0 → 9. `coop4-ABYSS-7`: still a defeat at round 13, team LP 0, boss pool 4821366 → 3417504. ai_1 is eliminated at round 13; the pre-change lineup had 至简 `3_13_a` and 耶拉 `3_20_a`. First divergence round 8: ai_1 LP 19 → 20, killed 2 → 3, leaks 7 → 6. ai_0's lineup also changes and has no funnel chess id before or after |
| 耶拉 plus other funnel operators, lineup unchanged, same victory and the same team LP 130 | `coop4-FUNNY-6`: ai_0 耶拉 `3_20_a`, ai_1 荒芜拉普兰德 `6_18_a`, ai_3 洛洛 `2_10_a`. First divergence round 11, ai_0's kjeragShip layers 26 → 23 |
| No 耶拉 on the final lineup. The diverging round's pieces and skill choice are not stored | `coop2-NORMAL-1-coverage-standins`: still a defeat, team LP 0, boss pool 25040 unchanged. ai_0's final lineup includes 荒芜拉普兰德 `6_18_a`. First divergence round 7, the other seat's miraShip layer 5 → 6. `coop2-NORMAL-14-standins`: victory, team LP 31 → 40 (ai_0 LP 13 → 22). Neither final lineup contains a funnel chess id. First divergence round 10 bond layers (raidShip 26 → 28, steadShip 16 → 18); that round's board hash is unchanged |