feat: implement processTurn function to handle turn processing and world state updates

refactor: remove legacy types.ts file and update frontend to use new contracts

feat: add applyActions function to manage action application and world state mutation

chore: remove empty .gitkeep file from sqlite data directory

refactor: update frontend App component to align with new API contracts and improve UX

docs: revise project.md to reflect updated architecture and system requirements

docs: update thoughts.md with current status, architecture decisions, and remaining checks

charactergarden/app/src/contracts/action.ts

@@ -0,0 +1,7 @@
+export type Action = {
+  actorId: string;
+  type: string;
+  targetId?: string;
+  locationId?: string;
+  metadata?: Record<string, unknown>;
+};

charactergarden/app/src/contracts/entity.ts

@@ -0,0 +1,6 @@
+export type Entity = {
+  id: string;
+  name: string;
+  type: string;
+  attributes: Record<string, unknown>;
+};

charactergarden/app/src/contracts/turn.ts

@@ -0,0 +1,10 @@
+import type { Action } from "./action";
+import type { ValidationResult } from "./validation";
+
+export type Turn = {
+  id: string;
+  rawText: string;
+  actions: Action[];
+  validation: ValidationResult[];
+  createdAt: number;
+};

charactergarden/app/src/contracts/validation.ts

@@ -0,0 +1,6 @@
+export type ValidationResult = {
+  actionIndex: number;
+  success: boolean;
+  reason?: string;
+  message?: string;
+};

charactergarden/app/src/contracts/world.ts

@@ -0,0 +1,8 @@
+import type { Entity } from "./entity";
+
+export type WorldState = {
+  id: string;
+  entities: Record<string, Entity>;
+  metadata: Record<string, unknown>;
+  createdAt: number;
+};