feat(ai): per-card re-analyze with provider override + Apple Intelligence provider

Dayflow/Dayflow.xcodeproj/project.pbxproj

@@ -107,6 +107,7 @@
 				C4C1D29D2DB56805007D5A55 /* Sources */,
 				C4C1D29E2DB56805007D5A55 /* Frameworks */,
 				C4C1D29F2DB56805007D5A55 /* Resources */,
+				0AEE4CB1C67C42909CFA55F6 /* Re-sign Sparkle Installer.xpc for Debug */,
 			);
 			buildRules = (
 			);
@@ -243,6 +244,27 @@
 		};
 /* End PBXResourcesBuildPhase section */
 
+/* Begin PBXShellScriptBuildPhase section */
+		0AEE4CB1C67C42909CFA55F6 /* Re-sign Sparkle Installer.xpc for Debug */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputFileListPaths = (
+			);
+			inputPaths = (
+			);
+			name = "Re-sign Sparkle Installer.xpc for Debug";
+			outputFileListPaths = (
+			);
+			outputPaths = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "if [ \"$CONFIGURATION\" != \"Debug\" ]; then\n    exit 0\nfi\n\nENTITLEMENTS=\"${SRCROOT}/Dayflow/Debug.entitlements\"\nXPC_BUNDLE=\"${BUILT_PRODUCTS_DIR}/${FRAMEWORKS_FOLDER_PATH}/Sparkle.framework/Versions/B/XPCServices/Installer.xpc\"\n\nif [ ! -f \"$ENTITLEMENTS\" ]; then\n    echo \"warning: Debug.entitlements not found at $ENTITLEMENTS\"\n    exit 0\nfi\n\nif [ -d \"$XPC_BUNDLE\" ]; then\n    codesign --force --sign - --entitlements \"$ENTITLEMENTS\" \"$XPC_BUNDLE\"\nelse\n    echo \"warning: Installer.xpc not found at $XPC_BUNDLE\"\nfi\n";
+		};
+/* End PBXShellScriptBuildPhase section */
+
 /* Begin PBXSourcesBuildPhase section */
 		C4C1D29D2DB56805007D5A55 /* Sources */ = {
 			isa = PBXSourcesBuildPhase;
@@ -412,9 +434,10 @@
 				COMBINE_HIDPI_IMAGES = YES;
 				CURRENT_PROJECT_VERSION = 107;
 				DEVELOPMENT_ASSET_PATHS = "\"Dayflow/Preview Content\"";
-				DEVELOPMENT_TEAM = L75WYD8X4Y;
+				DEVELOPMENT_TEAM = VS3FLTY94C;
 				ENABLE_HARDENED_RUNTIME = NO;
 				ENABLE_PREVIEWS = YES;
+				ENABLE_USER_SCRIPT_SANDBOXING = NO;
 				GENERATE_INFOPLIST_FILE = YES;
 				INFOPLIST_FILE = Dayflow/Info.plist;
 				INFOPLIST_KEY_LSUIElement = NO;
@@ -446,7 +469,7 @@
 				COMBINE_HIDPI_IMAGES = YES;
 				CURRENT_PROJECT_VERSION = 107;
 				DEVELOPMENT_ASSET_PATHS = "\"Dayflow/Preview Content\"";
-				DEVELOPMENT_TEAM = L75WYD8X4Y;
+				DEVELOPMENT_TEAM = VS3FLTY94C;
 				ENABLE_HARDENED_RUNTIME = NO;
 				ENABLE_PREVIEWS = YES;
 				GENERATE_INFOPLIST_FILE = YES;

Dayflow/Dayflow/App/AppDelegate.swift

@@ -156,6 +156,7 @@ class AppDelegate: NSObject, NSApplicationDelegate {
 
     // Start daily recap generation scheduler (checks every 5 minutes)
     DailyRecapScheduler.shared.start()
+    PersonalPlugins.start()
 
     // Observe recording state
     analyticsSub = AppState.shared.$isRecording
@@ -260,6 +261,7 @@ class AppDelegate: NSObject, NSApplicationDelegate {
             case .dayflowBackend: return "dayflow"
             case .ollamaLocal: return "ollama"
             case .chatGPTClaude: return "chat_cli"
+            case .apfel: return "apfel"
             }
           }()
         ])

Dayflow/Dayflow/App/PersonalPlugins.swift

@@ -0,0 +1,16 @@
+//
+//  PersonalPlugins.swift
+//  Dayflow
+//
+//  Single entry point for all personal extensions.
+//  AppDelegate calls PersonalPlugins.start() once — all future plugins
+//  register here without any additional upstream file changes.
+//
+
+import Foundation
+
+enum PersonalPlugins {
+  static func start() {
+    // Register plugins below — one line per feature, all in this file.
+  }
+}

Dayflow/Dayflow/Core/AI/Apfel/ApfelLanguageModel.swift

@@ -0,0 +1,106 @@
+//
+//  ApfelLanguageModel.swift
+//  Dayflow
+//
+//  Wraps Apple's on-device language model (FoundationModels, macOS 26+).
+//  Availability-gated so the binary still builds and runs on older macOS;
+//  `isAvailable` is the single runtime check callers use before constructing
+//  anything that actually talks to the model.
+//
+
+import Foundation
+
+#if canImport(FoundationModels)
+import FoundationModels
+#endif
+
+enum ApfelAvailability: Equatable {
+  case available
+  case unsupportedOS
+  case modelNotReady
+  case appleIntelligenceDisabled
+  case unknown(String)
+
+  var isAvailable: Bool {
+    if case .available = self { return true }
+    return false
+  }
+
+  var userFacingReason: String {
+    switch self {
+    case .available:
+      return "Available"
+    case .unsupportedOS:
+      return "Requires macOS 26 or later."
+    case .modelNotReady:
+      return "Apple Intelligence is still downloading or preparing."
+    case .appleIntelligenceDisabled:
+      return "Enable Apple Intelligence in System Settings to use this provider."
+    case .unknown(let detail):
+      return detail
+    }
+  }
+}
+
+struct ApfelLanguageModel {
+  static var availability: ApfelAvailability {
+    if #available(macOS 26.0, *) {
+      #if canImport(FoundationModels)
+      return SystemLanguageModel.default.availability == .available
+        ? .available
+        : .modelNotReady
+      #else
+      return .unsupportedOS
+      #endif
+    }
+    return .unsupportedOS
+  }
+
+  /// Generate a single text completion for the given prompt.
+  /// Throws if Apple Intelligence is unavailable on this device/OS.
+  func generate(prompt: String, systemInstructions: String? = nil) async throws -> String {
+    guard #available(macOS 26.0, *) else {
+      throw ApfelRuntimeError.unsupportedOS
+    }
+    #if canImport(FoundationModels)
+    return try await Self.generateOnSupportedOS(
+      prompt: prompt, systemInstructions: systemInstructions)
+    #else
+    throw ApfelRuntimeError.frameworkMissing
+    #endif
+  }
+
+  #if canImport(FoundationModels)
+  @available(macOS 26.0, *)
+  private static func generateOnSupportedOS(
+    prompt: String, systemInstructions: String?
+  ) async throws -> String {
+    let session: LanguageModelSession
+    if let systemInstructions {
+      session = LanguageModelSession(instructions: systemInstructions)
+    } else {
+      session = LanguageModelSession()
+    }
+    let response = try await session.respond(to: prompt)
+    return response.content
+  }
+  #endif
+
+}
+
+enum ApfelRuntimeError: Error, LocalizedError {
+  case unsupportedOS
+  case frameworkMissing
+  case generationFailed(String)
+
+  var errorDescription: String? {
+    switch self {
+    case .unsupportedOS:
+      return "Apple Intelligence requires macOS 26 or later."
+    case .frameworkMissing:
+      return "FoundationModels framework is not available in this build."
+    case .generationFailed(let detail):
+      return "Apple Intelligence failed to generate a response: \(detail)"
+    }
+  }
+}