Separate Free extension boundary and refine preview UI

PeekMark.xcodeproj/project.pbxproj

@@ -58,7 +58,7 @@
 		B99E3B7C4790DE780684B589 /* PreviewViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PreviewViewController.swift; sourceTree = "<group>"; };
 		D1032F275C06D493280925DD /* MarkdownPreviewWindow.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MarkdownPreviewWindow.swift; sourceTree = "<group>"; };
 		D5930CEE95459D0E5F893402 /* MenuBarView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MenuBarView.swift; sourceTree = "<group>"; };
-		F11C727FD46CC04F24B2D70C /* QuickMarkCore */ = {isa = PBXFileReference; lastKnownFileType = folder; name = QuickMarkCore; path = QuickMarkCore; sourceTree = SOURCE_ROOT; };
+		F11C727FD46CC04F24B2D70C /* QuickMarkCore */ = {isa = PBXFileReference; lastKnownFileType = folder; path = QuickMarkCore; sourceTree = SOURCE_ROOT; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -201,14 +201,6 @@
 			attributes = {
 				BuildIndependentTargetsInParallel = YES;
 				LastUpgradeCheck = 1600;
-				TargetAttributes = {
-					183D479E6DE0A841E5AFCFFB = {
-						DevelopmentTeam = "";
-					};
-					8FE1094769F2A06EF7E1D49C = {
-						DevelopmentTeam = "";
-					};
-				};
 			};
 			buildConfigurationList = 04D27A61D5C48930CE548C62 /* Build configuration list for PBXProject "PeekMark" */;
 			developmentRegion = en;
@@ -365,6 +357,7 @@
 				CODE_SIGN_ENTITLEMENTS = QuickMarkQL/QuickMarkQL.entitlements;
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
+				DEVELOPMENT_TEAM = M924X3MR87;
 				INFOPLIST_FILE = QuickMarkQL/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
@@ -472,6 +465,7 @@
 				CODE_SIGN_ENTITLEMENTS = QuickMarkApp/QuickMarkApp.entitlements;
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
+				DEVELOPMENT_TEAM = M924X3MR87;
 				INFOPLIST_FILE = QuickMarkApp/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",

QuickMarkApp/Info.plist

@@ -2,6 +2,14 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
+  <key>CFBundleDevelopmentRegion</key>
+  <string>$(DEVELOPMENT_LANGUAGE)</string>
+  <key>CFBundleExecutable</key>
+  <string>$(EXECUTABLE_NAME)</string>
+  <key>CFBundleInfoDictionaryVersion</key>
+  <string>6.0</string>
+  <key>CFBundlePackageType</key>
+  <string>APPL</string>
   <key>CFBundleName</key>
   <string>PeekMark</string>
   <key>CFBundleDisplayName</key>

QuickMarkApp/Sources/ContentView.swift

@@ -1,13 +1,16 @@
+import AppKit
 import SwiftUI
 
 struct ContentView: View {
     @Environment(\.openSettings) private var openSettings
 
     var body: some View {
         VStack(spacing: 20) {
-            Image(systemName: "doc.text.magnifyingglass")
-                .font(.system(size: 56))
-                .foregroundStyle(.secondary)
+            Image(nsImage: NSApplication.shared.applicationIconImage)
+                .resizable()
+                .aspectRatio(contentMode: .fit)
+                .frame(width: 88, height: 88)
+                .accessibilityHidden(true)
             Text("PeekMark")
                 .font(.title.bold())
             Text("Quick Look preview is ready.\nSelect a Markdown file in Finder, then press Space to preview.")

QuickMarkApp/Sources/MarkdownPreviewWindow.swift

@@ -1,6 +1,7 @@
 import AppKit
 import WebKit
 import QuickMarkCore
+import UniformTypeIdentifiers
 
 /// A floating split-view window:
 ///   Left  → editable NSTextView with raw Markdown source
@@ -213,6 +214,7 @@ final class SplitPreviewViewController: NSSplitViewController, NSToolbarDelegate
 
     func load(markdown: String, url: URL) {
         editorVC.setText(markdown)
+        previewVC.sourceURL = url
         previewVC.baseURL = url.deletingLastPathComponent()
         previewVC.render(markdown: markdown, baseURL: url.deletingLastPathComponent())
         editorVC.setCurrentURL(url)
@@ -221,6 +223,7 @@ final class SplitPreviewViewController: NSSplitViewController, NSToolbarDelegate
     func loadNew() {
         editorVC.setText("")
         editorVC.setCurrentURL(nil)
+        previewVC.sourceURL = nil
         previewVC.baseURL = nil
         previewVC.render(markdown: "")
         viewMode = .both
@@ -247,6 +250,65 @@ final class SplitPreviewViewController: NSSplitViewController, NSToolbarDelegate
         flashTitle("✓ HTML Copied")
     }
 
+    func exportDocument(using exporter: any DocumentExporting) {
+        let panel = NSSavePanel()
+        panel.title = exporter.format.displayName
+        panel.nameFieldStringValue = "\(window?.title ?? "Untitled").\(exporter.format.filenameExtension)"
+        if let contentType = UTType(filenameExtension: exporter.format.filenameExtension) {
+            panel.allowedContentTypes = [contentType]
+        }
+
+        let completion: (NSApplication.ModalResponse) -> Void = { [weak self] response in
+            guard response == .OK, let destinationURL = panel.url, let self else { return }
+            let sourceURL = editorVC.documentURL
+            let purpose: RenderPurpose
+            switch exporter.format.filenameExtension.lowercased() {
+            case "pdf": purpose = .pdfExport
+            case "docx": purpose = .docxExport
+            default: purpose = .htmlExport
+            }
+            let context = RenderContext(
+                sourceURL: sourceURL,
+                title: window?.title ?? "PeekMark",
+                purpose: purpose
+            )
+            let provider = QuickMarkExtensionRegistry.customizationProviders.first
+            let markdown = editorVC.markdownText
+
+            Task { @MainActor [weak self] in
+                guard let self else { return }
+                do {
+                    let customization = try await provider?.customization(for: context) ?? .none
+                    let html = MarkdownRenderer.render(
+                        markdown: markdown,
+                        title: context.title,
+                        customization: customization
+                    )
+                    try await exporter.export(ExportRequest(
+                        html: html,
+                        context: context,
+                        destinationURL: destinationURL
+                    ))
+                    flashTitle("✓ Exported")
+                    NSWorkspace.shared.activateFileViewerSelecting([destinationURL])
+                } catch {
+                    let alert = NSAlert(error: error)
+                    alert.messageText = "Unable to Export Document"
+                    if let hostWindow = window ?? NSApp.keyWindow {
+                        alert.beginSheetModal(for: hostWindow) { _ in }
+                    } else {
+                        alert.runModal()
+                    }
+                }
+            }
+        }
+        if let hostWindow = window ?? NSApp.keyWindow {
+            panel.beginSheetModal(for: hostWindow, completionHandler: completion)
+        } else {
+            panel.begin(completionHandler: completion)
+        }
+    }
+
     @objc func findInSource(_ sender: Any?) {
         editorVC.showFindPanel()
     }
@@ -388,6 +450,7 @@ final class SplitPreviewViewController: NSSplitViewController, NSToolbarDelegate
 final class EditorViewController: NSViewController {
     var onTextChange: ((String) -> Void)?
     var markdownText: String { textView.string }
+    var documentURL: URL? { currentURL }
 
     private var currentURL: URL?
     private var securityScopedURL: URL?
@@ -513,7 +576,9 @@ extension EditorViewController: NSTextViewDelegate {
 
 final class PreviewWebViewController: NSViewController, WKNavigationDelegate {
     var baseURL: URL?
+    var sourceURL: URL?
     private var webView: WKWebView!
+    private var renderTask: Task<Void, Never>?
 
     override func loadView() {
         let config = WKWebViewConfiguration()
@@ -525,8 +590,37 @@ final class PreviewWebViewController: NSViewController, WKNavigationDelegate {
 
     func render(markdown: String, baseURL: URL? = nil) {
         let resolvedBase = baseURL ?? self.baseURL
-        let html = MarkdownRenderer.render(markdown: markdown, title: "Preview")
-        webView.loadHTMLString(html, baseURL: resolvedBase)
+        let context = RenderContext(sourceURL: sourceURL, title: "Preview", purpose: .appPreview)
+        let provider = QuickMarkExtensionRegistry.customizationProviders.first
+
+        renderTask?.cancel()
+        renderTask = Task { @MainActor [weak self] in
+            do {
+                try await Task.sleep(for: .milliseconds(150))
+            } catch {
+                return
+            }
+            guard !Task.isCancelled else { return }
+
+            let customization: RenderCustomization
+            if let provider {
+                do {
+                    customization = try await provider.customization(for: context)
+                } catch {
+                    customization = .none
+                }
+            } else {
+                customization = .none
+            }
+            guard !Task.isCancelled, let self else { return }
+
+            let html = MarkdownRenderer.render(
+                markdown: markdown,
+                title: context.title,
+                customization: customization
+            )
+            webView.loadHTMLString(html, baseURL: resolvedBase)
+        }
     }
 
     func webView(_ webView: WKWebView,

QuickMarkApp/Sources/QuickMarkApp.swift

@@ -2,6 +2,7 @@ import SwiftUI
 import Foundation
 import AppKit
 import Carbon
+import QuickMarkCore
 
 @main
 struct QuickMarkApp: App {
@@ -10,6 +11,7 @@ struct QuickMarkApp: App {
 
     init() {
         QuickMarkSettings.registerDefaults()
+        QuickMarkExtensionLoader.loadConfiguredModule()
         ScratchpadHotKeyManager.shared.start()
     }
 
@@ -20,15 +22,14 @@ struct QuickMarkApp: App {
         }
         .windowStyle(.titleBar)
         .windowToolbarStyle(.unified)
+        .windowResizability(.contentSize)
         .defaultSize(width: 480, height: 300)
         .commands {
             QuickMarkFileCommands()
-            CommandGroup(replacing: .saveItem) {
-                Button("Save") {
-                    activeSplitPreviewViewController()?.saveCurrentFile(nil)
-                }
-                .keyboardShortcut("s")
-            }
+#if OFFICIAL_EXTENSIONS
+            OfficialOptionalCommands()
+#endif
+            QuickMarkSaveCommands()
             CommandGroup(after: .pasteboard) {
                 Button("Copy Rendered HTML") {
                     activeSplitPreviewViewController()?.copyHTML(nil)
@@ -56,6 +57,36 @@ struct QuickMarkApp: App {
     }
 }
 
+struct QuickMarkSaveCommands: Commands {
+    @ObservedObject private var runtimeState = QuickMarkExtensionRegistry.runtimeState
+
+    private var exporters: [any DocumentExporting] {
+        _ = runtimeState.revision
+        return QuickMarkExtensionRegistry.exporters
+    }
+
+    var body: some Commands {
+        CommandGroup(replacing: .saveItem) {
+            Button("Save") {
+                activeSplitPreviewViewController()?.saveCurrentFile(nil)
+            }
+            .keyboardShortcut("s")
+
+            if !exporters.isEmpty {
+                Divider()
+                Menu("Export") {
+                    ForEach(exporters.indices, id: \.self) { index in
+                        let exporter = exporters[index]
+                        Button("Export as \(exporter.format.displayName)…") {
+                            activeSplitPreviewViewController()?.exportDocument(using: exporter)
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
 final class QuickMarkAppDelegate: NSObject, NSApplicationDelegate {
     func applicationShouldOpenUntitledFile(_ sender: NSApplication) -> Bool {
         false

QuickMarkApp/Sources/SettingsView.swift

@@ -26,14 +26,18 @@ private struct GeneralSettingsView: View {
                     .foregroundStyle(.secondary)
                     .font(.subheadline)
             }
-            Section("Pro Features") {
-                Text("Custom themes, workspace search, and PDF export are planned for PeekMark Pro.")
+#if OFFICIAL_EXTENSIONS
+            OfficialOptionalFeaturesSettingsView()
+#else
+            Section("Optional Features") {
+                Text("Custom themes, workspace search, and additional export formats are available in official editions.")
                     .foregroundStyle(.secondary)
                     .font(.subheadline)
                 Button("Learn More…") {
                     NSWorkspace.shared.open(URL(string: "https://peekmark.app")!)
                 }
             }
+#endif
         }
         .formStyle(.grouped)
     }
@@ -92,9 +96,11 @@ private struct PreviewSettingsView: View {
 private struct AboutView: View {
     var body: some View {
         VStack(spacing: 12) {
-            Image(systemName: "doc.text.magnifyingglass")
-                .font(.system(size: 48))
-                .foregroundStyle(.secondary)
+            Image(nsImage: NSApplication.shared.applicationIconImage)
+                .resizable()
+                .aspectRatio(contentMode: .fit)
+                .frame(width: 72, height: 72)
+                .accessibilityHidden(true)
             Text("PeekMark")
                 .font(.title2.bold())
             Text("Version 0.1.0 (Community)")