feat(deck): add daily learning limits and today's study stats

- Add newPerDay and revPerDay fields to Deck model (Anki-style)
- Add settings modal to configure daily limits per deck
- Display today's studied counts (new/review/learning) on deck page
- Add i18n translations for all 8 languages
- Fix JSON syntax errors in fr-FR.json and it-IT.json
- Fix double counting bug in repoGetTodayStudyStats

src/modules/deck/deck-action-dto.ts

@@ -15,6 +15,8 @@ export const schemaActionInputUpdateDeck = z.object({
   desc: z.string().max(500).optional(),
   visibility: z.enum(["PRIVATE", "PUBLIC"]).optional(),
   collapsed: z.boolean().optional(),
+  newPerDay: z.number().int().min(0).max(999).optional(),
+  revPerDay: z.number().int().min(0).max(9999).optional(),
 });
 export type ActionInputUpdateDeck = z.infer<typeof schemaActionInputUpdateDeck>;
 export const validateActionInputUpdateDeck = generateValidator(schemaActionInputUpdateDeck);
@@ -46,6 +48,8 @@ export type ActionOutputDeck = {
   visibility: "PRIVATE" | "PUBLIC";
   collapsed: boolean;
   conf: unknown;
+  newPerDay: number;
+  revPerDay: number;
   createdAt: Date;
   updatedAt: Date;
   cardCount?: number;