Create rule flow core infrastructure and routing

app/create/types.ts

@@ -0,0 +1,62 @@
+/**
+ * Type definitions for the Create Rule Flow
+ *
+ * These types define the structure for the full-screen create rule flow,
+ * including step types, state management, and context interfaces.
+ */
+
+/**
+ * Valid step IDs for the create rule flow
+ */
+export type CreateFlowStep =
+  | "informational"
+  | "text"
+  | "select"
+  | "upload"
+  | "review"
+  | "compact-cards"
+  | "expanded-cards"
+  | "right-rail"
+  | "final-review"
+  | "completed";
+
+/**
+ * Flow state interface for storing user inputs across all steps
+ * Will be expanded in CR-56 with specific field definitions
+ */
+export interface CreateFlowState {
+  // Placeholder structure - will be expanded in CR-56
+  [key: string]: unknown;
+}
+
+/**
+ * Context value interface for CreateFlowContext
+ * Provides state management and navigation capabilities
+ */
+export interface CreateFlowContextValue {
+  state: CreateFlowState;
+  currentStep: CreateFlowStep | null;
+  updateState: (updates: Partial<CreateFlowState>) => void;
+  // Navigation handlers will be added in CR-56
+}
+
+/**
+ * Base props interface for page templates
+ * Will be expanded in template implementation tickets (CR-51-55)
+ */
+export interface PageTemplateProps {
+  // Base props for all page templates
+  // Will be expanded in template tickets
+}
+
+/**
+ * Navigation handlers interface
+ * Will be implemented in CR-56
+ */
+export interface NavigationHandlers {
+  goToNextStep: () => void;
+  goToPreviousStep: () => void;
+  goToStep: (step: CreateFlowStep) => void;
+  canGoNext: () => boolean;
+  canGoBack: () => boolean;
+}