Rebrand entire project from Feels to Reflect

Complete rename across all bundle IDs, App Groups, CloudKit containers,
StoreKit product IDs, data store filenames, URL schemes, logger subsystems,
Swift identifiers, user-facing strings (7 languages), file names, directory
names, Xcode project, schemes, assets, and documentation.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

ReflectTests/DayViewViewModelTests.swift

@@ -0,0 +1,42 @@
+//
+//  DayViewViewModelTests.swift
+//  ReflectTests
+//
+//  Unit tests for DayViewViewModel.countEntries — verifies safe counting
+//  across various grouped dictionary shapes (TDD for force-unwrap fix).
+//
+
+import XCTest
+import SwiftData
+@testable import Reflect
+
+@MainActor
+final class DayViewViewModelTests: XCTestCase {
+
+    func testCountEntries_EmptyGrouped() {
+        let grouped: [Int: [Int: [MoodEntryModel]]] = [:]
+        XCTAssertEqual(DayViewViewModel.countEntries(in: grouped), 0)
+    }
+
+    func testCountEntries_SingleYearSingleMonth() {
+        let entry = MoodEntryModel(forDate: Date(), mood: .great, entryType: .listView)
+        let grouped: [Int: [Int: [MoodEntryModel]]] = [2026: [2: [entry]]]
+        XCTAssertEqual(DayViewViewModel.countEntries(in: grouped), 1)
+    }
+
+    func testCountEntries_MultipleYearsAndMonths() {
+        let e1 = MoodEntryModel(forDate: Date(), mood: .great, entryType: .listView)
+        let e2 = MoodEntryModel(forDate: Date(), mood: .good, entryType: .listView)
+        let e3 = MoodEntryModel(forDate: Date(), mood: .bad, entryType: .listView)
+        let grouped: [Int: [Int: [MoodEntryModel]]] = [
+            2025: [12: [e1, e2]],
+            2026: [1: [e3], 2: [e1, e2, e3]]
+        ]
+        XCTAssertEqual(DayViewViewModel.countEntries(in: grouped), 6)
+    }
+
+    func testCountEntries_YearWithEmptyMonth() {
+        let grouped: [Int: [Int: [MoodEntryModel]]] = [2026: [1: []]]
+        XCTAssertEqual(DayViewViewModel.countEntries(in: grouped), 0)
+    }
+}