feat: chapter runtime refactoring and related updates

- Refactor chapter runtime: replace window coordinator/snapshot with warmup orchestrator
- Update EPUB core: parser, reading session, JS bridge, navigator layout
- Update reader controller: data source, location resolution, persistence
- Update chapter runtime: data cache, loader, runtime store, disk cache, warmup orchestrator
- Remove deprecated navigation state machine and pagination state
- Update text rendering: book cache, HTML normalizer
- Update UI: text content view, dark image adjuster, text selection controller
- Update settings and reader configuration
- Add CODE_REVIEW.md and AUDIT_FINAL.md documentation
- Update pod dependencies (remove SSAlertSwift, SnapKit)
- Update podspec and pod configuration files

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

ReadViewDemo/Pods/SnapKit/Sources/ConstraintPriority.swift

@@ -1,77 +0,0 @@
-//
-//  SnapKit
-//
-//  Copyright (c) 2011-Present SnapKit Team - https://github.com/SnapKit
-//
-//  Permission is hereby granted, free of charge, to any person obtaining a copy
-//  of this software and associated documentation files (the "Software"), to deal
-//  in the Software without restriction, including without limitation the rights
-//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-//  copies of the Software, and to permit persons to whom the Software is
-//  furnished to do so, subject to the following conditions:
-//
-//  The above copyright notice and this permission notice shall be included in
-//  all copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-//  THE SOFTWARE.
-
-#if canImport(UIKit)
-    import UIKit
-#else
-    import AppKit
-#endif
-
-public struct ConstraintPriority : ExpressibleByFloatLiteral, Equatable, Strideable {
-    public typealias FloatLiteralType = Float
-    
-    public let value: Float
-    
-    public init(floatLiteral value: Float) {
-        self.value = value
-    }
-    
-    public init(_ value: Float) {
-        self.value = value
-    }
-    
-    public static var required: ConstraintPriority {
-        return 1000.0
-    }
-    
-    public static var high: ConstraintPriority {
-        return 750.0
-    }
-    
-    public static var medium: ConstraintPriority {
-        #if os(OSX)
-            return 501.0
-        #else
-            return 500.0
-        #endif
-        
-    }
-    
-    public static var low: ConstraintPriority {
-        return 250.0
-    }
-    
-    public static func ==(lhs: ConstraintPriority, rhs: ConstraintPriority) -> Bool {
-        return lhs.value == rhs.value
-    }
-
-    // MARK: Strideable
-
-    public func advanced(by n: FloatLiteralType) -> ConstraintPriority {
-        return ConstraintPriority(floatLiteral: value + n)
-    }
-
-    public func distance(to other: ConstraintPriority) -> FloatLiteralType {
-        return other.value - value
-    }
-}