feat(ui): replace loading indicators with Apple-style LoadingSpinner

- Add LoadingSpinner component with small/medium/large sizes using system gray color
- Add LoadingPlaceholder for skeleton loading states
- Add LoadingSheet for full-screen blocking overlays
- Replace ThemedSpinner/ThemedSpinnerCompact across all views
- Remove deprecated loading components from AnimatedComponents.swift
- Delete LoadingTextGenerator.swift
- Fix PhotoImportView layout to fill full width

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

SportsTime/Core/Services/LoadingTextGenerator.swift

@@ -1,99 +0,0 @@
-//
-//  LoadingTextGenerator.swift
-//  SportsTime
-//
-//  Generates unique loading messages using Apple Foundation Models.
-//  Falls back to predefined messages on unsupported devices.
-//
-
-import Foundation
-#if canImport(FoundationModels)
-import FoundationModels
-#endif
-
-actor LoadingTextGenerator {
-
-    static let shared = LoadingTextGenerator()
-
-    private static let fallbackMessages = [
-        "Hang tight, we're finding the best routes...",
-        "Scanning stadiums across the country...",
-        "Building your dream road trip...",
-        "Calculating the perfect game day schedule...",
-        "Finding the best matchups for you...",
-        "Mapping out your adventure...",
-        "Checking stadium schedules...",
-        "Putting together some epic trips...",
-        "Hold on, great trips incoming...",
-        "Crunching the numbers on routes...",
-        "Almost there, planning magic happening...",
-        "Finding games you'll love..."
-    ]
-
-    private var usedMessages: Set<String> = []
-
-    /// Generates a unique loading message.
-    /// Uses Foundation Models if available, falls back to predefined messages.
-    func generateMessage() async -> String {
-        #if canImport(FoundationModels)
-        // Try Foundation Models first
-        if let message = await generateWithFoundationModels() {
-            return message
-        }
-        #endif
-
-        // Fall back to predefined messages
-        return getNextFallbackMessage()
-    }
-
-    #if canImport(FoundationModels)
-    private func generateWithFoundationModels() async -> String? {
-        // Check availability
-        guard case .available = SystemLanguageModel.default.availability else {
-            return nil
-        }
-
-        do {
-            let session = LanguageModelSession(instructions: """
-                Generate a short, friendly loading message for a sports road trip planning app.
-                The message should be casual, fun, and 8-12 words.
-                Don't use emojis. Don't start with "We're" or "We are".
-                Examples: "Hang tight, finding the best routes for you...",
-                "Calculating the perfect game day adventure...",
-                "Almost there, great trips are brewing..."
-                """
-            )
-
-            let response = try await session.respond(to: "Generate one loading message")
-            let message = response.content.trimmingCharacters(in: .whitespacesAndNewlines)
-
-            // Validate message isn't empty and is reasonable length
-            guard message.count >= 10 && message.count <= 80 else {
-                return nil
-            }
-
-            return message
-        } catch {
-            return nil
-        }
-    }
-    #endif
-
-    private func getNextFallbackMessage() -> String {
-        // Reset if we've used all messages
-        if usedMessages.count >= Self.fallbackMessages.count {
-            usedMessages.removeAll()
-        }
-
-        // Pick a random unused message
-        let availableMessages = Self.fallbackMessages.filter { !usedMessages.contains($0) }
-        let message = availableMessages.randomElement() ?? Self.fallbackMessages[0]
-        usedMessages.insert(message)
-        return message
-    }
-
-    /// Reset used messages (for testing or new session)
-    func reset() {
-        usedMessages.removeAll()
-    }
-}

SportsTime/Core/Services/SuggestedTripsGenerator.swift

@@ -48,7 +48,6 @@ final class SuggestedTripsGenerator {
     // MARK: - Dependencies
 
     private let dataProvider = AppDataProvider.shared
-    private let loadingTextGenerator = LoadingTextGenerator.shared
 
     // MARK: - Grouped Trips
 
@@ -78,8 +77,8 @@ final class SuggestedTripsGenerator {
         error = nil
         suggestedTrips = []
 
-        // Start with a loading message
-        loadingMessage = await loadingTextGenerator.generateMessage()
+        // Set loading message
+        loadingMessage = "Finding the best routes..."
 
         // Ensure data is loaded
         if dataProvider.teams.isEmpty {
@@ -141,7 +140,6 @@ final class SuggestedTripsGenerator {
     }
 
     func refreshTrips() async {
-        await loadingTextGenerator.reset()
         await generateTrips()
     }