feat: initial prototype

src/lib/stores/character.ts

@@ -0,0 +1,40 @@
+import { writable, derived } from "svelte/store";
+import { CHARACTER_STATES, type CharacterState } from "$lib/types/states";
+
+function createCharacterStore() {
+  const { subscribe, set, update } = writable<CharacterState>("idle");
+
+  let stateTimeout: ReturnType<typeof setTimeout> | null = null;
+
+  return {
+    subscribe,
+    setState: (state: CharacterState) => {
+      if (stateTimeout) {
+        clearTimeout(stateTimeout);
+        stateTimeout = null;
+      }
+      set(state);
+    },
+    setTemporaryState: (state: CharacterState, durationMs: number = 2000) => {
+      if (stateTimeout) {
+        clearTimeout(stateTimeout);
+      }
+      set(state);
+      stateTimeout = setTimeout(() => {
+        set("idle");
+        stateTimeout = null;
+      }, durationMs);
+    },
+    reset: () => {
+      if (stateTimeout) {
+        clearTimeout(stateTimeout);
+        stateTimeout = null;
+      }
+      set("idle");
+    },
+  };
+}
+
+export const characterState = createCharacterStore();
+
+export const characterInfo = derived(characterState, ($state) => CHARACTER_STATES[$state]);