feedback5: merge W5C — 琳琅诗怀雅 S2 bomb on x-6 (#116), 新硎 / 沉沙 one 断刃 layer (#107), the owner's ACTIVE_RANGE trigger rule, AUTO-skill audit (伺夜 S2, 浊心斯卡蒂 S2)

# Conflicts:
#	data/backups.json
#	tools/build-data.mjs

server/sim/content/kits/README.md

@@ -199,8 +199,10 @@ Each item is a mistake this project already made once. Tick every one for every
 - [ ] **5. Auto-cast trigger** — the data resolves it (`tools/build-data.mjs resolveTrigger`, `data/chess.json`
   `skills[].trigger`); check it, and change the data rule rather than hand-coding a trigger in the kit. The owner's
   rules (0.2.0): a skill whose attack range is larger than the normal one casts as soon as an enemy is inside the
-  SKILL range (a deliberate deviation from the official 技能策略, like the 重装 exception; existing kits that predate
-  the rule, such as 烛煌 S3 in `feedback1e-skillrange.test.js`, are not examples of it); an AUTO skill that acts on
+  SKILL range (a deliberate deviation from the official 技能策略, like the 重装 exception: data `ACTIVE_RANGE` for a
+  MANUAL skill on the basic strategy whose running range strictly contains the operator's own,
+  `test/sim/feedback5-active-range.test.js`; 烛煌 S3 in `feedback1e-skillrange.test.js` keeps DEFAULT — its 4-11 does
+  not contain her 3-1); an AUTO skill that acts on
   allies or itself fires at full SP (引星棘刺 S1, `kits_alt_t5.test.js` "… fires as soon as its SP is full, no enemy
   needed (GitHub #124)"); the 重装 exception list (`TRIGGER_DEVIATIONS`: 深巡 S2, 雷蛇 S2, 号角 S2 / S3, 灰毫 S1 / S2,
   余 S2; the 预备干员-重装 / Mechanist stand-ins: `STANDIN_TRIGGER_DEVIATIONS`, every skill), DESIGN §21.29 / §22.10,