feat: read "Занятия в Полоцке" as a day's town, show it in all clients

- Parser 14 (server/places.js): "Занятия в Полоцке/Новополоцке/г. Новополоцк" over a day's first row is no longer a lesson but a note of the day for its column (`places`); lessons of that day get `place`. A lesson below the note in the same cell keeps its own subject.
- A town on its own line ("Новополоцк", "г.Новополоцк") or after a room ("246(Новополоцк)") becomes the lesson's `place` and leaves the subject and room. "История Полоцка" is not a town.
- API 14: `place` on lessons and `places` on days of /api/timetable, `place` in the directory. The day notes are shared by the server and the PWA (shared/places.js); the same note in every subgroup reads as the whole group's.
- Android, PWA and iOS: a "Занятия в Полоцке" card above the day's lessons (day pages, calendar, overview, week view, desk stand), "Полоцк" under the date in the week grid, "249Ж · Полоцк" on lesson cards, a "Город" row in details, the town in widgets, tile, reminders and change lists.
- Snapshot lines show the town and the day notes; tests for notes, towns in cells and the API.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

ios/Shared/Models.swift

@@ -51,11 +51,39 @@ struct Day: Codable, Hashable {
     var weekday: Int
     var week: Week?
     var lessons: [Lesson] = []
+    var places: [DayPlace] = []
 }
 
 struct WeeklyDay: Codable, Hashable {
     var day: Int
     var lessons: [Lesson] = []
+    var places: [DayPlace] = []
+}
+
+/**
+ * "Занятия в Полоцке" over a day in Word: that day the group's lessons (or one subgroup's,
+ * when `subgroup` is set) are in another town (server/timetable.js, shared/places.js).
+ */
+struct DayPlace: Codable, Hashable {
+    var place: String
+    var text: String
+    var subgroup: String?
+}
+
+extension Array where Element == DayPlace {
+    /** The notes for the student's subgroup; a note for their own subgroup reads as the whole day's. */
+    func forSubgroup(_ subgroup: String?) -> [DayPlace] {
+        var seen = Set<DayPlace>()
+        return filter { subgroup == nil || $0.subgroup == nil || $0.subgroup == subgroup }
+            .map { subgroup == nil ? $0 : DayPlace(place: $0.place, text: $0.text, subgroup: nil) }
+            .filter { seen.insert($0).inserted }
+    }
+}
+
+/** A room label with the lesson's town when the document names one: "ауд. 203Г · Полоцк", or the town alone. */
+func withPlace(_ room: String?, _ place: String?) -> String? {
+    let parts = [room, place].compactMap { $0 }.filter { !$0.isEmpty }
+    return parts.isEmpty ? nil : parts.joined(separator: " · ")
 }
 
 struct Lesson: Codable, Hashable {
@@ -68,6 +96,8 @@ struct Lesson: Codable, Hashable {
     var teachers: [String] = []
     var rooms: [String] = []
     var roomMoved: Bool = false
+    /** The town, when the cell or the day's note names one: "Полоцк". */
+    var place: String?
     var distance: Bool = false
     var condition: String = ""
     var variant: String = "all"
@@ -139,6 +169,7 @@ struct DirectoryLesson: Codable, Hashable {
     var teachers: [String] = []
     var rooms: [String] = []
     var moved: Bool = false
+    var place: String?
     var distance: Bool = false
     var groups: [String] = []
     var condition: String = ""
@@ -266,6 +297,7 @@ extension Day {
         weekday = try c.decodeIfPresent(Int.self, forKey: .weekday) ?? 0
         week = try c.decodeIfPresent(Week.self, forKey: .week)
         lessons = try c.decodeIfPresent([Lesson].self, forKey: .lessons) ?? []
+        places = try c.decodeIfPresent([DayPlace].self, forKey: .places) ?? []
     }
 }
 
@@ -274,6 +306,16 @@ extension WeeklyDay {
         let c = try decoder.container(keyedBy: CodingKeys.self)
         day = try c.decode(Int.self, forKey: .day)
         lessons = try c.decodeIfPresent([Lesson].self, forKey: .lessons) ?? []
+        places = try c.decodeIfPresent([DayPlace].self, forKey: .places) ?? []
+    }
+}
+
+extension DayPlace {
+    init(from decoder: Decoder) throws {
+        let c = try decoder.container(keyedBy: CodingKeys.self)
+        place = try c.decodeIfPresent(String.self, forKey: .place) ?? ""
+        text = try c.decodeIfPresent(String.self, forKey: .text) ?? ""
+        subgroup = try c.decodeIfPresent(String.self, forKey: .subgroup)
     }
 }
 
@@ -289,6 +331,7 @@ extension Lesson {
         teachers = try c.decodeIfPresent([String].self, forKey: .teachers) ?? []
         rooms = try c.decodeIfPresent([String].self, forKey: .rooms) ?? []
         roomMoved = try c.decodeIfPresent(Bool.self, forKey: .roomMoved) ?? false
+        place = try c.decodeIfPresent(String.self, forKey: .place)
         distance = try c.decodeIfPresent(Bool.self, forKey: .distance) ?? false
         condition = try c.decodeIfPresent(String.self, forKey: .condition) ?? ""
         variant = try c.decodeIfPresent(String.self, forKey: .variant) ?? "all"
@@ -375,6 +418,7 @@ extension DirectoryLesson {
         teachers = try c.decodeIfPresent([String].self, forKey: .teachers) ?? []
         rooms = try c.decodeIfPresent([String].self, forKey: .rooms) ?? []
         moved = try c.decodeIfPresent(Bool.self, forKey: .moved) ?? false
+        place = try c.decodeIfPresent(String.self, forKey: .place)
         distance = try c.decodeIfPresent(Bool.self, forKey: .distance) ?? false
         groups = try c.decodeIfPresent([String].self, forKey: .groups) ?? []
         condition = try c.decodeIfPresent(String.self, forKey: .condition) ?? ""