chore: remove effects leftovers, dead SyncedState.set, add modules/resources skill refs

skills/rudder-web-sdk/SKILL.md

@@ -6,8 +6,8 @@ description: Use when working with the Rudder TypeScript/JavaScript SDK (@rudder
 # Rudder Web SDK (@rudder/js-sdk)
 
 Browser-facing player SDK for the Rudder LiveOps platform. Source of truth:
-`liveops-web-sdk/src` (generated wire types in `src/generated` come from the
-gateway's apigen — never edit them by hand).
+`liveops-web-sdk/src` (generated wire types in `src/generated` come from
+`liveops-backend/apigen` — never edit them by hand).
 
 2.0 kernel surface: auth, player (wallets), catalog currencies, storage,
 project storage, revision sync, `client.modules.call(module, fn, args)`,
@@ -40,7 +40,6 @@ const client = new RudderClient({
   // tokenStore?: TokenStore              — default: localStorage, in-memory fallback
   // requestTimeoutMs?: number            — default 10000
   // syncIntervalMs?: number              — revision poll, default 30000 (±20% jitter)
-  // onEffectError?: (error) => void      — default console.error
 });
 ```
 
@@ -86,11 +85,12 @@ Tokens are saved to the `TokenStore` automatically. The transport injects
 | Modules | `client.modules.call(module, fn, args?)` | `CallModuleFunctionClientResponse` (`{ result }`) |
 | Resources | `client.resources(slug)` | `list` / `get` / `create` / `update` / `delete` |
 
-There is no UGC, wallet service, or standalone economy service — wallets live
-on `client.player.data.wallets`. Quests, stores, inventory, leaderboards,
-battle pass, and remote config are installed modules: call
-`client.modules.call('quests', 'list')` (etc.) and read rows with
-`client.resources('items')`.
+Wallets live on `client.player.data.wallets`. Game features are installed
+modules, not SDK services (first-party modules: items, inventory, reward,
+remote_config, leaderboards, quests, store, battlepass). Call them with
+`client.modules.call('my_module', 'hello', { ... })` and read their rows with
+`client.resources(slug)`. Details: [reference/modules.md](reference/modules.md),
+[reference/resources.md](reference/resources.md).
 
 ## Observable domains — the shared pattern
 
@@ -137,3 +137,5 @@ documents. A module trap is a 500 and a timeout a 504, both without details.
 - [reference/auth.md](reference/auth.md) — login flows, options, token store, session lifecycle
 - [reference/player.md](reference/player.md) — profile + wallets (`PlayerProfile`, `Wallet`)
 - [reference/storage.md](reference/storage.md) — player + project storage, limits
+- [reference/modules.md](reference/modules.md) — `modules.call`, response, module errors
+- [reference/resources.md](reference/resources.md) — `resources(slug)` row operations