Windows ga (#358)

* Enhance Cloud TTS with navigation controls and shared UI overlay in desktop app

* Refactor Cloud TTS voice settings and remove standalone settings overlay on desktop app

* Persist reader window state and improve slider interaction in desktop app

* Improve PDF page transitions and refine focus management in desktop app

* Refactor scrollbar interaction and adjust desktop modal focus handling

* Improve PDF sidecar synchronization and cross-platform metadata compatibility

* Refactor PDF annotation comment logic to shared module and implement Desktop UI

* Refactor reader screen to use tap-to-toggle and full-width styling in desktop app

* Refactor reader workspace layout and chrome-panel interactions

* Implement global search keyboard shortcuts and focusable chrome layers

* Implement flavor-specific legal links and update the About UI

* Refactor reader UI controls on desktop app

* Enhance desktop folder sync with background metadata extraction and improved error handling

* Refactor Library UI and remove redundant Home tab in desktop app

* Add custom tooltips to reader icon buttons in desktop app

* Integrate app theme controls into reader interfaces on desktop

* Add right-to-left pagination support and improve focus restoration on desktop app

* Improve EPUB pagination geometry and diagnostic logging for layout cutoffs on desktop app

* Update desktop reader defaults and implement settings migration

* Implement block-based position tracking in ReaderLocator

* Enhance EPUB highlighting reliability in desktop app

* Add support for custom reader themes and update highlight palette logic in desktop app

* Replace the Tools panel with a "More" dropdown menu and refactor account UI

* Implement account profile header in desktop sidebar

* Implement cloud sync reliability improvements and sidebar toggle on desktop app

* Improve EPUB annotation synchronization and highlight mapping accuracy in desktop app

* Integrate WebView2 for EPUB vertical rendering on Windows

* Refactor reader layout logic and enhance WebView2 diagnostics

* Improve vertical reading layout and WebView2 resizing on Desktop

* Refine vertical reading mode layout and margin handling

* Enhance reader locator precision and Desktop mode-switching reliability

* Implement chapter-level caching and warm-start pagination in desktop app

* Replace bundled KCEF with native system webviews via SWT

* Refactor EPUB page info bar visibility and layout logic

* Improve PDF toolbar persistence and fix tab reactivation logic

* Enable multi-selection and bulk operations for custom fonts

* Refactor instrumentation tests

* Add EPUB UI test fixture and initial instrumentation tests

* Expand EpubReader UI tests and improve accessibility

* Add instrumentation tests and test tags for library and reader screens

* Enhance OPDS parser logic and catalog integration

* Add support for toggling local synchronization on a per-folder basis.

* Implement tri-state sizing for the TTS overlay

* Persist TTS overlay size across sessions

* Refactor reader brightness control and add incremental step buttons

* Improve CSS support, pagination control, and style-aware semantic caching

* Improve link handling, interaction, and diagnostics in the paginated reader

* crash fixes

* Implement persistent pending removal for external files

* Implement book-specific word replacements

* Add native vertical reading mode with custom renderer

* Implement text selection and navigation improvements for the native vertical reader

* Implement locator-based navigation and improved vertical scrolling in native vertical mode in epub

* Implement lazy loading and chapter prefetching for native vertical reader

* Improve window lifecycle and disposal handling on Desktop

* Optimize vertical reading performance in desktop app

* Enhance TTS start accuracy and diagnostic logging on desktop

* Refactor AI settings visibility on desktop

* Improve pagination height measurement and enhance cutoff diagnostics

* Implement lifecycle management and improve justified text splitting for pagination

* Refine AI usage tracking and force AI feature visibility on Desktop

* Add descriptive context comments and usage examples to string and plural resources.

* Optimize performance and memory usage in search and state mapping

* Replace reader page sliders with minimal slider and navigation controls

* Add support for CBT comic archives

* Harden file path validation and XML parsing to prevent security vulnerabilities

* Implement local account profile caching and optimize desktop performance

* Improve desktop persistence reliability and add Linux secure storage support

* Improved PDF zoom stability and layout prediction during zoom commits

* Improved PDF spread layout prediction, reader focus restoration, and account profile caching

* Enhance highlight precision and scoping using block-local offsets and CFIs

* Enhance cloud book content synchronization and background downloads

* Implement granular timestamp tracking for reading positions and PDF annotations

* Restrict diagnostic logging and stack traces to debug builds

* Refine PDF page gaps and reader chrome interaction logic

* Refactor PDF highlight rendering and overhaul Desktop sidebar UI

* Implement a new interaction dock and undo/redo history for PDF annotations in desktop

* Enhance PDF color picker and improve navigation scroll restoration

* Add highlight palette customization and improve selection menu UI in desktop app epub reader

* Enhance desktop shelf management and library organization

app/src/main/java/com/aryan/reader/BookReplacementStore.kt

@@ -0,0 +1,80 @@
+package com.aryan.reader
+
+import android.content.Context
+import androidx.core.content.edit
+import com.aryan.reader.shared.ReaderBookReplacementPreferences
+import com.aryan.reader.shared.ReaderBookReplacementPreferencesJson
+import com.aryan.reader.shared.ReaderWordReplacementEngine
+import com.aryan.reader.shared.ReaderWordReplacementRule
+import org.jsoup.nodes.Document
+import org.jsoup.nodes.Node
+import org.jsoup.nodes.TextNode
+
+private const val READER_PREFS_NAME = "reader_prefs"
+private const val BOOK_REPLACEMENTS_KEY = "book_word_replacements_json"
+
+fun loadBookReplacementPreferences(context: Context): ReaderBookReplacementPreferences {
+    val prefs = context.getSharedPreferences(READER_PREFS_NAME, Context.MODE_PRIVATE)
+    return ReaderBookReplacementPreferencesJson.decodeOrEmpty(prefs.getString(BOOK_REPLACEMENTS_KEY, null))
+}
+
+fun saveBookReplacementPreferences(
+    context: Context,
+    preferences: ReaderBookReplacementPreferences,
+) {
+    val prefs = context.getSharedPreferences(READER_PREFS_NAME, Context.MODE_PRIVATE)
+    prefs.edit {
+        putString(BOOK_REPLACEMENTS_KEY, ReaderBookReplacementPreferencesJson.encode(preferences))
+    }
+}
+
+internal fun applyBookReplacementsToHtmlDocument(
+    document: Document,
+    preferences: ReaderBookReplacementPreferences,
+    fileId: String?,
+): Boolean {
+    val rules = preferences.activeRulesForFile(fileId)
+    if (rules.isEmpty()) return false
+
+    var changed = false
+
+    fun rewriteTextNodes(node: Node) {
+        if (node is TextNode && !node.hasReplacementBlockedAncestor()) {
+            val original = node.wholeText
+            val replaced = applyBookReplacementRules(original, rules)
+            if (replaced != original) {
+                node.text(replaced)
+                changed = true
+            }
+            return
+        }
+
+        node.childNodes().forEach(::rewriteTextNodes)
+    }
+
+    document.body()?.let(::rewriteTextNodes)
+    return changed
+}
+
+private fun applyBookReplacementRules(
+    text: String,
+    rules: List<ReaderWordReplacementRule>,
+): String {
+    return ReaderWordReplacementEngine.apply(
+        text = text,
+        rules = rules,
+    ).text
+}
+
+private fun TextNode.hasReplacementBlockedAncestor(): Boolean {
+    var current: Node? = parent()
+    while (current != null) {
+        when (current.nodeName().lowercase()) {
+            "script",
+            "style",
+            "noscript" -> return true
+        }
+        current = current.parent()
+    }
+    return false
+}