feat(mods): expose contextual field items

docs/mod-api-gen2-compat.md

@@ -240,7 +240,7 @@ resolves to the weaker claim:
 | `warned` | present, answers nil or degrades, and names itself once with the mod attributed |
 | `absent` | deliberately not served; a nil read is the honest failure |
 
-Today that is 288 backed, 32 warned and 161 absent across the fifteen modules.
+Today that is 291 backed, 32 warned and 161 absent across the fifteen modules.
 `notes` keys are documentation topics rather than a member list -- dotted paths
 (`save.money`), field names (`warpAt`), hook names (`hook ui.pc.items`) and
 bare topics (`identity`, `iteration`, `rawset`) all appear there. `members` is
@@ -486,6 +486,9 @@ has its own entry points for (`start_battle "wild" species level`, `warp`,
 **by name, before the first row runs**, so a mod never gets a half-run queue.
 `marchInPlace` still has no Gen 2 equivalent (the Gen 2 movement stream has no
 byte for it) and returns `nil, reason` rather than approximating one.
+`availableFieldActions` and `useFieldAction` expose the same contextual
+bicycle and fishing records in both games. Each engine keeps ownership of its
+inventory, terrain, surfing, bike, and fishing rules.
 
 **Hooks and events that fire on Gold.** Every name below is the Gen 1 name
 carrying the Gen 1 payload keys, because Gold's call sites reuse them rather

docs/modding.md

@@ -147,6 +147,20 @@ Companion UIs and alternate party screens can call
 operation is accepted only during idle overworld play; menus, movement,
 scripts, battles, and transitions leave the party untouched.
 
+## Contextual field items
+
+`mod.world:availableFieldActions()` returns the field items that can start at
+the player's current position. Red and Gold currently expose `bicycle` and
+`fish`; fishing rows include the owned rods that are valid choices. The list
+is empty while the world is busy, while riding states or terrain forbid an
+action, or when the required item is not owned.
+
+Call `mod.world:useFieldAction(id, opts)` to perform a listed action through
+the active game's own field-item path. Fishing accepts `{ rod = "OLD_ROD" }`
+and chooses automatically when only one rod is available. Invalid, stale, and
+busy requests return `nil` plus a reason without changing game state. Mods do
+not need generation-specific bike, collision, or fishing logic.
+
 ## Rendering pipelines
 
 Most registries hand the engine *content*. `render_pipelines` hands it

docs/preparing-your-mod-for-gen2.md

@@ -325,7 +325,7 @@ This is not a dev-mode feature; it installs on any Gold boot that has mods.
 | `src.pokemon.Boxes` | facade | over `src/core/gen2/Boxes.lua` | 22 / 0 / 0 |
 | `src.battle.BattleState` | facade | over `src/ui/gen2/BattleState.lua` | 16 / 2 / 39 |
 | `src.ui.PartyMenu` | facade | over `src/ui/gen2/PartyMenu.lua` | 15 / 2 / 16 |
-| `src.world.WorldAPI` | alias | `src/world/gen2/WorldAPI.lua` | 12 / 2 / 0 |
+| `src.world.WorldAPI` | alias | `src/world/gen2/WorldAPI.lua` | 15 / 2 / 0 |
 | `src.world.PikachuFollower` | alias | `src/world/gen2/Follower.lua` | 10 / 0 / 11 |
 | `src.script.ScriptRunner` | facade | over `src/script/gen2/Vm.lua` | 10 / 7 / 1 |
 | `src.ui.OptionsMenu` | facade | over `src/ui/gen2/OptionsMenu.lua` | 8 / 0 / 1 |
@@ -774,7 +774,7 @@ profile to test in, and `POKEPORT_DEV=1` adds the console and `F5` hot reload.
 
 - **Coverage is partial and will stay partial.** 15 Gen 1 modules are served
   out of a much larger engine, and within those 15 the coverage table records
-  288 backed members against 32 warned and 161 absent. The absent ones are not
+  291 backed members against 32 warned and 161 absent. The absent ones are not
   a backlog; most are absent because there is no honest Gen 2 answer, and each
   one carries its reason. The counts move as the adapter learns something: a
   member that turns out to answer nil is demoted from backed to warned or