Gate and document pursuit as a trapping move in tag

Author: larry-the-table-guy

stats/CHANGES.md

@@ -51,7 +51,9 @@ quirks that have been corrected by `@pkmn/stats` unless "legacy" mode is opted i
   'setup' moves, 'dragon' Pokémon, battle formes etc which include several notable absences
   (Darmanitan-Zen and Meloetta-Piroutte are not considered formes, Kommo-o is not considered a
   'dragon') and have not been updated for Generation 8. `@pkmn/stats` instead computes these lists
-  programmatically from the data files to ensure they are comphrensive and up to date.
+  programmatically from the data files to ensure they are comprehensive and up to date.
+- Smogon-Usage-Stats groups `pursuit` with other trapping moves when computing `stalliness`, but
+  excludes it when tagging Pokémon as trappers. `@pkmn/stats` includes it.
 - `Nidoran-M` is displayed in reports as `NidoranM`, `Nidroran-F` as `NidoranF` and `Flabébé` as
   `Flabebe` in Smogon-Usage-Stats whereas these **names display** correctly in `@pkmn/stats`.
 - The **'`empty'`** internal placeholder value is filtered out of reports and stats update logic by

stats/src/classifier.ts

@@ -279,7 +279,8 @@ function tag(
       style.voltturn++;
     }
     if ((style.trappers < 3 && TRAPPING_ABILITIES.has(pokemon.ability)) ||
-      pokemon.moves.some((m: ID) => TRAPPING_MOVES.has(m))) {
+      (legacy ? pokemon.moves.some((m: ID) => ['block', 'meanlook', 'spiderweb'].includes(m))
+      : pokemon.moves.some((m: ID) => TRAPPING_MOVES.has(m)))) {
       style.trappers++;
     }
     if (style.dragons < 2 && legacy ? DRAGONS.has(pokemon.species)