Document /stopchanneling

Slash-Commands.md

@@ -11,6 +11,7 @@
 | `/startattack` | ✅ | `/startattack [harm]` | Start auto-attack |
 | `/stopattack` | ✅ | `/stopattack [noothertag]` | Stop auto-attack |
 | `/stopcasting` | ✅ | `/stopcasting [mycc:silence]` | Stop casting |
+| `/stopchanneling` | ✅ | `/stopchanneling [mod:alt]` | Stop channeling at the next tick, not mid-tick (Nampower v2.18+) |
 | `/unqueue` | ✅ | `/unqueue [mod:shift]` | Cancel queued spell (Nampower) |
 | `/cleartarget` | ✅ | `/cleartarget [dead]` | Clear target |
 | `/cancelaura` | ✅ | `/cancelaura [combat] Ice Block` | Cancel buff (alias: `/unbuff`) |
@@ -39,6 +40,8 @@
 | `/clearequipqueue` | — | `/clearequipqueue` | Clear equipment swap queue |
 | `/equipqueuestatus` | — | `/equipqueuestatus` | Show equipment queue status |
 
+> **Note on `/stopchanneling`:** unlike `/stopcasting`, which drops a channel instantly and loses the tick in progress, this waits for the current tick to land — so a Mind Flay or Arcane Missiles tick already paid for still lands before the channel ends. It needs Nampower v2.18+ *and* Nampower's `NP_QueueChannelingSpells` setting enabled; with either missing the command explains itself in chat once per session rather than failing silently.
+
 ## Priority-Based Macro Evaluation
 
 By default, all `/cast` lines evaluate and may queue spells with Nampower. `/firstaction` enables "first successful cast wins" mode.