feat: Puente Mayúscula-Minúscula + TTS SpeechSynthesis + E2E fixes

lib/pedagogia/cpa-progression.ts

@@ -0,0 +1,56 @@
+export type CPAStage = "concrete" | "pictoric" | "abstract"
+
+export type GalperinStage = "hand" | "external_speech" | "inner_speech" | "mental" | "mastered"
+
+export interface CPAState {
+  stage: CPAStage
+  currentValue: number
+  attempts: number
+  mastered: boolean
+  galperinStage: GalperinStage
+}
+
+export function getCPAProgression(skillValue: number): CPAStage[] {
+  return ["concrete", "pictoric", "abstract"]
+}
+
+export function createCPAState(value: number): CPAState {
+  return {
+    stage: "concrete",
+    currentValue: value,
+    attempts: 0,
+    mastered: false,
+    galperinStage: "hand",
+  }
+}
+
+export function advanceStage(state: CPAState): CPAState {
+  const stages: CPAStage[] = ["concrete", "pictoric", "abstract"]
+  const currentIdx = stages.indexOf(state.stage)
+  if (currentIdx < stages.length - 1) {
+    return { ...state, stage: stages[currentIdx + 1], galperinStage: "hand" }
+  }
+  return { ...state, mastered: true }
+}
+
+export function advanceGalperin(stage: GalperinStage): GalperinStage {
+  const order: GalperinStage[] = ["hand", "external_speech", "inner_speech", "mental", "mastered"]
+  const idx = order.indexOf(stage)
+  if (idx < order.length - 1) return order[idx + 1]
+  return "mastered"
+}
+
+export function getGalperinInstruction(stage: GalperinStage, value: number): string {
+  switch (stage) {
+    case "hand":
+      return `Tocá ${value} cosas con tu dedo`
+    case "external_speech":
+      return "Contá en voz alta mientras tocás"
+    case "inner_speech":
+      return "Ahora contá susurrando"
+    case "mental":
+      return "Pensá el número en tu cabeza y señalalo"
+    case "mastered":
+      return "¡Ya sabés este número!"
+  }
+}