added Vespers, Matins, Great Liturgy services

src/core/day-computer.ts

@@ -95,6 +95,14 @@ export function computeDay(date: JDate): ComputedDay {
   // Priest status (1 = priest required, 0 = reader)
   const PS = (dRank >= 3 || dow === 0) ? 1 : 0;
 
+  // Eothinon (Sunday Matins Gospel cycle, 1-11)
+  // Based on weeks after Pascha: (⌊nday / 7⌋ % 11) + 1 for Sundays
+  // Non-Sundays get 0
+  let eothinon = 0;
+  if (dow === 0 && nday >= 0) {
+    eothinon = (Math.floor(nday / 7) % 11) + 1;
+  }
+
   const dayInfo: DayInfo = {
     dow,
     doy,
@@ -120,6 +128,7 @@ export function computeDay(date: JDate): ComputedDay {
     isNativityFast,
     triodionFile,
     pentecostarionFile,
+    eothinon,
   };
 
   // Build EvalContext from DayInfo (all values as numbers for the expression evaluator)
@@ -139,6 +148,7 @@ export function computeDay(date: JDate): ComputedDay {
     Easter: pascha.jdn,
     Pentecost: pentecost.jdn,
     LentStart: lentStart.jdn,
+    eothinon,
     LS: 1, // Default language
     GS: 1, // Default gospel selector
   };

src/core/i18n.ts

@@ -85,6 +85,9 @@ export interface Translations {
       liturgy: string;
       royalhours: string;
       compline: string;
+      greatcompline: string;
+      mariasstanding: string;
+      matins: string;
     };
     serviceDescriptions: {
       primes: string;
@@ -95,6 +98,9 @@ export interface Translations {
       liturgy: string;
       royalhours: string;
       compline: string;
+      greatcompline: string;
+      mariasstanding: string;
+      matins: string;
     };
   };
 
@@ -275,9 +281,12 @@ const translations: Record<LanguageCode, Translations> = {
         liturgy: 'Divine Liturgy',
         royalhours: 'Royal Hours',
         compline: 'Compline',
+        greatcompline: 'Great Compline',
+        mariasstanding: 'Standing of St. Mary of Egypt',
+        matins: 'Matins',
       },
       serviceDescriptions: {
-        primes: 'Prime (First Hour)',
+        primes: 'First Hour',
         third: 'Third Hour',
         sixth: 'Sixth Hour',
         ninth: 'Ninth Hour',
@@ -285,6 +294,9 @@ const translations: Record<LanguageCode, Translations> = {
         liturgy: 'Principal service (Divine Liturgy)',
         royalhours: 'Royal Hours',
         compline: 'Night office (Compline)',
+        greatcompline: 'Great Compline with the Canon of St. Andrew',
+        mariasstanding: 'Matins with the Great Canon and the Life of St. Mary of Egypt (Marias Standing)',
+        matins: 'Morning service (Matins)',
       },
     },
 
@@ -461,6 +473,9 @@ const translations: Record<LanguageCode, Translations> = {
         liturgy: 'Божественная Литургия',
         royalhours: 'Царские часы',
         compline: 'Повечерие',
+        greatcompline: 'Великое Повечерие',
+        mariasstanding: 'Стояние Марии Египетской',
+        matins: 'Утреня',
       },
       serviceDescriptions: {
         primes: 'Час первый',
@@ -471,6 +486,9 @@ const translations: Record<LanguageCode, Translations> = {
         liturgy: 'Главное богослужение (Божественная Литургия)',
         royalhours: 'Царские часы',
         compline: 'Ночное богослужение (Повечерие)',
+        greatcompline: 'Великое Повечерие с каноном Андрея Критского',
+        mariasstanding: 'Утреня с Великим каноном и житием Марии Египетской (Мариино стояние)',
+        matins: 'Утреннее богослужение (Утреня)',
       },
     },
 
@@ -647,6 +665,9 @@ const translations: Record<LanguageCode, Translations> = {
         liturgy: 'Божественная Литургия',
         royalhours: 'Царскія часъ',
         compline: 'Повечерiе',
+        greatcompline: 'Вели́кое Повече́рiе',
+        mariasstanding: 'Стоѧ́нїе ма́ріи є҆гѵ́петскїѧ',
+        matins: 'Оу҆́тренѧ',
       },
       serviceDescriptions: {
         primes: 'Часъ первый',
@@ -657,6 +678,9 @@ const translations: Record<LanguageCode, Translations> = {
         liturgy: 'Главное богослуженiе (Божественнаꙗ Литургiꙗ)',
         royalhours: 'Царскія часъ',
         compline: 'Ночное богослуженiе (Повечерiе)',
+        greatcompline: 'Вели́кое Повече́рiе съ кано́номъ а҆ндре́а кри́тскагѡ',
+        mariasstanding: 'Оу҆́тренѧ съ вели́кимъ кано́номъ и҆ житїе́мъ ма́ріи є҆гѵ́петскїѧ (Марі́ино стоѧ́нїе)',
+        matins: 'Оу҆́треннее богослуженiе (Оу҆́тренѧ)',
       },
     },
 

src/core/types.ts

@@ -37,6 +37,44 @@ export interface DayInfo {
   // Data file references
   triodionFile: number | null;    // Index in triodion (1-70)
   pentecostarionFile: number | null; // Index in pentecostarion (1-315)
+  eothinon: number;               // Sunday Matins Eothinon (1-11, 0 = none)
+}
+
+/** A single sub-canon within an ode. */
+export interface CanonSubCanon {
+  irmos: string;
+  troparia: string[];
+  theotokion: string;
+}
+
+/** A single ode within a Matins canon. */
+export interface CanonOde {
+  ode: number;             // Ode number (1,3,4,5,6,7,8,9)
+  canons: CanonSubCanon[]; // Sub-canons per ode
+}
+
+/** Matins canon data for a given tone. */
+export interface CanonData {
+  tone: number;
+  odes: CanonOde[];
+}
+
+/** A single ode within the Great Canon of St. Andrew. */
+export interface GreatCanonOde {
+  ode: number;             // 1-9 (includes Ode 2)
+  irmos: string;
+  troparia: string[];      // Penitential troparia
+  trinityTroparion: string;
+  theotokion: string;
+  kontakion?: string;      // After Ode 6: "Душе моя..."
+  saintTroparia?: string[]; // Troparia to St. Mary of Egypt / St. Andrew
+}
+
+/** One part of the Great Canon (divided across the 1st week). */
+export interface GreatCanonPart {
+  part: number;            // 1-4 for first week
+  title: string;
+  odes: GreatCanonOde[];
 }
 
 /** Expression evaluator variable store. */