Add Yahoo Finance stock data integration

- Add StockDataSource to fetch quotes from Yahoo Finance API
- Add StockSettingsStore for persisting user's stock symbols
- Add StockSettingsView with UI to manage symbols (max 5)
- Add STOCK feed item type and ranker weight (0.3)
- Integrate stock fetch into ContextOrchestrator pipeline
- Stock cards appear in FYI bucket and sync to Glass via BLE

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

IrisCompanion/iris/ContentView.swift

@@ -9,6 +9,7 @@ import SwiftUI
 
 struct ContentView: View {
     @EnvironmentObject private var orchestrator: ContextOrchestrator
+    @StateObject private var stockSettings = StockSettingsStore()
 
     var body: some View {
         TabView {
@@ -16,6 +17,10 @@ struct ContentView: View {
                 .tabItem { Label("BLE", systemImage: "dot.radiowaves.left.and.right") }
             OrchestratorView()
                 .tabItem { Label("Orchestrator", systemImage: "bolt.horizontal.circle") }
+            NavigationStack {
+                StockSettingsView(store: stockSettings)
+            }
+            .tabItem { Label("Stocks", systemImage: "chart.line.uptrend.xyaxis") }
         }
         .onAppear { orchestrator.start() }
     }

IrisCompanion/iris/DataSources/StockDataSource.swift

@@ -0,0 +1,186 @@
+//
+//  StockDataSource.swift
+//  iris
+//
+
+import Foundation
+
+struct StockDataSourceConfig: Sendable {
+    var maxSymbols: Int = 5
+    var cacheValiditySec: Int = 300
+    var ttlSec: Int = 600
+
+    init() {}
+}
+
+final class StockDataSource {
+    struct StockQuote: Sendable, Equatable {
+        let symbol: String
+        let shortName: String
+        let price: Double
+        let change: Double
+        let changePercent: Double
+        let marketState: String
+    }
+
+    struct StockData: Sendable, Equatable {
+        let quotes: [StockQuote]
+    }
+
+    struct Snapshot: Sendable {
+        let data: StockData
+        let diagnostics: [String: String]
+    }
+
+    enum StockError: Error, LocalizedError, Sendable {
+        case noSymbolsConfigured
+        case networkFailed(message: String, diagnostics: [String: String])
+        case rateLimited(diagnostics: [String: String])
+        case invalidResponse(diagnostics: [String: String])
+
+        var errorDescription: String? {
+            switch self {
+            case .noSymbolsConfigured:
+                return "No symbols configured"
+            case .networkFailed(let message, _):
+                return message
+            case .rateLimited:
+                return "Rate limited by Yahoo Finance"
+            case .invalidResponse:
+                return "Invalid response from Yahoo Finance"
+            }
+        }
+    }
+
+    private let config: StockDataSourceConfig
+    private var cache: (timestamp: Int, data: StockData)?
+
+    init(config: StockDataSourceConfig = .init()) {
+        self.config = config
+    }
+
+    func dataWithDiagnostics(symbols: [String], now: Int) async throws -> Snapshot {
+        var diagnostics: [String: String] = [
+            "now": String(now),
+            "symbols_requested": symbols.joined(separator: ","),
+            "max_symbols": String(config.maxSymbols),
+        ]
+
+        guard !symbols.isEmpty else {
+            diagnostics["result"] = "no_symbols"
+            return Snapshot(data: StockData(quotes: []), diagnostics: diagnostics)
+        }
+
+        let limitedSymbols = Array(symbols.prefix(config.maxSymbols))
+        diagnostics["symbols_queried"] = limitedSymbols.joined(separator: ",")
+
+        if let cache = cache, now - cache.timestamp < config.cacheValiditySec {
+            diagnostics["source"] = "cache"
+            diagnostics["cache_age_sec"] = String(now - cache.timestamp)
+            return Snapshot(data: cache.data, diagnostics: diagnostics)
+        }
+
+        let symbolsParam = limitedSymbols.joined(separator: ",")
+        guard let encodedSymbols = symbolsParam.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed),
+              let url = URL(string: "https://query1.finance.yahoo.com/v7/finance/quote?symbols=\(encodedSymbols)") else {
+            diagnostics["error"] = "invalid_url"
+            throw StockError.networkFailed(message: "Invalid URL", diagnostics: diagnostics)
+        }
+
+        var request = URLRequest(url: url)
+        request.setValue("Mozilla/5.0 (iPhone; CPU iPhone OS 17_0 like Mac OS X)", forHTTPHeaderField: "User-Agent")
+        request.setValue("application/json", forHTTPHeaderField: "Accept")
+
+        let data: Data
+        let response: URLResponse
+        do {
+            (data, response) = try await URLSession.shared.data(for: request)
+        } catch {
+            diagnostics["error"] = "network_error"
+            diagnostics["error_message"] = String(describing: error)
+            if let cached = cache {
+                diagnostics["source"] = "cache_fallback"
+                return Snapshot(data: cached.data, diagnostics: diagnostics)
+            }
+            throw StockError.networkFailed(message: String(describing: error), diagnostics: diagnostics)
+        }
+
+        if let httpResponse = response as? HTTPURLResponse {
+            diagnostics["http_status"] = String(httpResponse.statusCode)
+            if httpResponse.statusCode == 403 {
+                diagnostics["error"] = "rate_limited"
+                if let cached = cache {
+                    diagnostics["source"] = "cache_fallback"
+                    return Snapshot(data: cached.data, diagnostics: diagnostics)
+                }
+                throw StockError.rateLimited(diagnostics: diagnostics)
+            }
+            guard (200..<300).contains(httpResponse.statusCode) else {
+                diagnostics["error"] = "http_error"
+                if let cached = cache {
+                    diagnostics["source"] = "cache_fallback"
+                    return Snapshot(data: cached.data, diagnostics: diagnostics)
+                }
+                throw StockError.networkFailed(message: "HTTP \(httpResponse.statusCode)", diagnostics: diagnostics)
+            }
+        }
+
+        let yahooResponse: YahooQuoteResponse
+        do {
+            yahooResponse = try JSONDecoder().decode(YahooQuoteResponse.self, from: data)
+        } catch {
+            diagnostics["error"] = "json_decode_error"
+            diagnostics["error_message"] = String(describing: error)
+            if let cached = cache {
+                diagnostics["source"] = "cache_fallback"
+                return Snapshot(data: cached.data, diagnostics: diagnostics)
+            }
+            throw StockError.invalidResponse(diagnostics: diagnostics)
+        }
+
+        let quotes: [StockQuote] = (yahooResponse.quoteResponse.result ?? []).compactMap { quote in
+            guard let price = quote.regularMarketPrice else { return nil }
+            return StockQuote(
+                symbol: quote.symbol,
+                shortName: quote.shortName ?? quote.symbol,
+                price: price,
+                change: quote.regularMarketChange ?? 0,
+                changePercent: quote.regularMarketChangePercent ?? 0,
+                marketState: quote.marketState ?? "CLOSED"
+            )
+        }
+
+        diagnostics["source"] = "network"
+        diagnostics["quotes_returned"] = String(quotes.count)
+
+        let stockData = StockData(quotes: quotes)
+        cache = (timestamp: now, data: stockData)
+
+        return Snapshot(data: stockData, diagnostics: diagnostics)
+    }
+}
+
+// MARK: - Yahoo Finance API Response Models
+
+private struct YahooQuoteResponse: Codable {
+    let quoteResponse: QuoteResponse
+
+    struct QuoteResponse: Codable {
+        let result: [Quote]?
+        let error: QuoteError?
+    }
+
+    struct Quote: Codable {
+        let symbol: String
+        let shortName: String?
+        let regularMarketPrice: Double?
+        let regularMarketChange: Double?
+        let regularMarketChangePercent: Double?
+        let marketState: String?
+    }
+
+    struct QuoteError: Codable {
+        let code: String?
+        let description: String?
+    }
+}

IrisCompanion/iris/Models/HeuristicRanker.swift

@@ -90,6 +90,7 @@ final class HeuristicRanker {
         case .transit: return 0.75
         case .poiNearby: return 0.6
         case .info: return 0.4
+        case .stock: return 0.3
         case .nowPlaying: return 0.25
         case .currentWeather: return 0.0
         case .allQuiet: return 0.0

IrisCompanion/iris/Models/StockSettingsStore.swift

@@ -0,0 +1,48 @@
+//
+//  StockSettingsStore.swift
+//  iris
+//
+
+import Foundation
+import Combine
+
+@MainActor
+final class StockSettingsStore: ObservableObject {
+    nonisolated static let userDefaultsKey = "iris.stock.symbols"
+
+    @Published private(set) var symbols: [String] = []
+
+    private let maxSymbols = 5
+
+    init() {
+        loadSymbols()
+    }
+
+    private func loadSymbols() {
+        symbols = UserDefaults.standard.stringArray(forKey: Self.userDefaultsKey) ?? []
+    }
+
+    func saveSymbols(_ newSymbols: [String]) {
+        let cleaned = newSymbols
+            .map { $0.uppercased().trimmingCharacters(in: .whitespacesAndNewlines) }
+            .filter { !$0.isEmpty }
+            .prefix(maxSymbols)
+        symbols = Array(cleaned)
+        UserDefaults.standard.set(symbols, forKey: Self.userDefaultsKey)
+    }
+
+    @discardableResult
+    func addSymbol(_ symbol: String) -> Bool {
+        guard symbols.count < maxSymbols else { return false }
+        let cleaned = symbol.uppercased().trimmingCharacters(in: .whitespacesAndNewlines)
+        guard !cleaned.isEmpty, !symbols.contains(cleaned) else { return false }
+        symbols.append(cleaned)
+        UserDefaults.standard.set(symbols, forKey: Self.userDefaultsKey)
+        return true
+    }
+
+    func removeSymbol(_ symbol: String) {
+        symbols.removeAll { $0 == symbol.uppercased() }
+        UserDefaults.standard.set(symbols, forKey: Self.userDefaultsKey)
+    }
+}

IrisCompanion/iris/Models/Winner.swift

@@ -16,5 +16,6 @@ enum FeedItemType: String, Codable, CaseIterable {
     case nowPlaying = "NOW_PLAYING"
     case currentWeather = "CURRENT_WEATHER"
     case calendarEvent = "CALENDAR_EVENT"
+    case stock = "STOCK"
     case allQuiet = "ALL_QUIET"
 }

IrisCompanion/iris/Orchestrator/ContextOrchestrator.swift

@@ -33,6 +33,7 @@ final class ContextOrchestrator: NSObject, ObservableObject {
     private let weatherDataSource = WeatherDataSource()
     private let calendarDataSource = CalendarDataSource()
     private let poiDataSource = POIDataSource()
+    private let stockDataSource = StockDataSource()
     private let ranker: HeuristicRanker
     private let store: FeedStore
     private let server: LocalServer
@@ -204,10 +205,15 @@ final class ContextOrchestrator: NSObject, ObservableObject {
         async let poiResult = withTimeoutResult(seconds: 6) {
             try await self.poiDataSource.data(for: location, now: nowEpoch)
         }
+        let stockSymbols = UserDefaults.standard.stringArray(forKey: StockSettingsStore.userDefaultsKey) ?? []
+        async let stockResult = withTimeoutResult(seconds: 6) {
+            try await self.stockDataSource.dataWithDiagnostics(symbols: stockSymbols, now: nowEpoch)
+        }
 
         let wxRes = await weatherResult
         let calRes = await calendarResult
         let poiRes = await poiResult
+        let stockRes = await stockResult
 
         func calendarTTL(endAt: Int, now: Int) -> Int {
             let ttl = endAt - now
@@ -223,6 +229,7 @@ final class ContextOrchestrator: NSObject, ObservableObject {
         var rightNowCandidates: [HeuristicRanker.Ranked] = []
         var calendarItems: [FeedItem] = []
         var poiItems: [FeedItem] = []
+        var stockItems: [FeedItem] = []
         var weatherNowItem: FeedItem? = nil
         var fetchFailed = false
         var wxDiagnostics: [String: String] = [:]
@@ -385,13 +392,26 @@ final class ContextOrchestrator: NSObject, ObservableObject {
             }
         }
 
+        switch stockRes {
+        case .success(let snapshot):
+            for quote in snapshot.data.quotes.prefix(3) {
+                let item = stockQuoteToFeedItem(quote: quote, now: nowEpoch)
+                stockItems.append(item)
+            }
+            if !snapshot.data.quotes.isEmpty {
+                logger.info("stock quotes fetched count=\(snapshot.data.quotes.count)")
+            }
+        case .failure(let error):
+            logger.warning("stock fetch failed: \(String(describing: error), privacy: .public)")
+        }
+
         let elapsedMs = Int(Date().timeIntervalSince(start) * 1000)
         lastPipelineElapsedMs = elapsedMs
         lastFetchFailed = fetchFailed
         lastWeatherDiagnostics = wxDiagnostics
         lastCalendarDiagnostics = calDiagnostics
 
-        logger.info("pipeline right_now_candidates=\(rightNowCandidates.count) calendar_items=\(calendarItems.count) poi_items=\(poiItems.count) fetchFailed=\(fetchFailed) elapsed_ms=\(elapsedMs)")
+        logger.info("pipeline right_now_candidates=\(rightNowCandidates.count) calendar_items=\(calendarItems.count) poi_items=\(poiItems.count) stock_items=\(stockItems.count) fetchFailed=\(fetchFailed) elapsed_ms=\(elapsedMs)")
 
         if fetchFailed, rightNowCandidates.isEmpty, calendarItems.isEmpty, weatherNowItem == nil {
             let fallbackFeed = store.getFeed(now: nowEpoch)
@@ -459,6 +479,27 @@ final class ContextOrchestrator: NSObject, ObservableObject {
             fyi.append(weatherNowItem)
         }
 
+        let fyiStocks = stockItems
+            .filter { $0.id != winnerItem.id }
+            .filter { !store.isSuppressed(id: $0.id, type: $0.type, now: nowEpoch) }
+            .prefix(3)
+
+        fyi.append(contentsOf: fyiStocks.map { item in
+            FeedItem(
+                id: item.id,
+                type: item.type,
+                title: item.title.truncated(maxLength: TextConstraints.titleMax),
+                subtitle: item.subtitle.truncated(maxLength: TextConstraints.subtitleMax),
+                priority: min(max(item.priority, 0.0), 1.0),
+                ttlSec: max(1, item.ttlSec),
+                condition: item.condition,
+                startsAt: item.startsAt,
+                poiType: item.poiType,
+                bucket: .fyi,
+                actions: ["DISMISS"]
+            )
+        })
+
         let items = [winnerItem] + fyi
         let feedEnvelope = FeedEnvelope(
             schema: 1,
@@ -532,6 +573,34 @@ final class ContextOrchestrator: NSObject, ObservableObject {
         }
         return "\(Int(meters.rounded())) m"
     }
+
+    private func stockQuoteToFeedItem(quote: StockDataSource.StockQuote, now: Int) -> FeedItem {
+        let direction = quote.change >= 0 ? "+" : ""
+        let priceStr: String
+        if quote.price >= 100000 {
+            priceStr = String(format: "%.1fK", quote.price / 1000)
+        } else if quote.price >= 1000 {
+            priceStr = String(format: "%.0f", quote.price)
+        } else {
+            priceStr = String(format: "%.2f", quote.price)
+        }
+        let title = "\(quote.symbol) $\(priceStr)"
+        let subtitle = "\(direction)\(String(format: "%.2f", quote.change)) (\(direction)\(String(format: "%.2f", quote.changePercent))%)"
+
+        return FeedItem(
+            id: "stock:\(quote.symbol):\(now / 300)",
+            type: .stock,
+            title: title.truncated(maxLength: TextConstraints.titleMax),
+            subtitle: subtitle.truncated(maxLength: TextConstraints.subtitleMax),
+            priority: 0.3,
+            ttlSec: 600,
+            condition: nil,
+            startsAt: nil,
+            poiType: nil,
+            bucket: .fyi,
+            actions: ["DISMISS"]
+        )
+    }
 }
 
 extension ContextOrchestrator: CLLocationManagerDelegate {

IrisCompanion/iris/Views/StockSettingsView.swift

@@ -0,0 +1,104 @@
+//
+//  StockSettingsView.swift
+//  iris
+//
+
+import SwiftUI
+
+struct StockSettingsView: View {
+    @ObservedObject var store: StockSettingsStore
+    @State private var newSymbol: String = ""
+    @State private var showError: Bool = false
+    @State private var errorMessage: String = ""
+
+    var body: some View {
+        Form {
+            Section {
+                ForEach(store.symbols, id: \.self) { symbol in
+                    HStack {
+                        Text(symbol)
+                            .font(.body.monospaced())
+                        Spacer()
+                        Button(role: .destructive) {
+                            store.removeSymbol(symbol)
+                        } label: {
+                            Image(systemName: "trash")
+                                .foregroundStyle(.red)
+                        }
+                        .buttonStyle(.plain)
+                    }
+                }
+                .onDelete { indexSet in
+                    for index in indexSet {
+                        store.removeSymbol(store.symbols[index])
+                    }
+                }
+
+                if store.symbols.count < 5 {
+                    HStack {
+                        TextField("Symbol (e.g. AAPL)", text: $newSymbol)
+                            .textInputAutocapitalization(.characters)
+                            .autocorrectionDisabled()
+                            .font(.body.monospaced())
+                        Button("Add") {
+                            addSymbol()
+                        }
+                        .disabled(newSymbol.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty)
+                    }
+                }
+            } header: {
+                Text("Stock Symbols")
+            } footer: {
+                Text("Enter up to 5 stock symbols. Cards appear in the FYI section.")
+            }
+
+            Section {
+                VStack(alignment: .leading, spacing: 8) {
+                    Text("Examples:")
+                        .font(.subheadline.bold())
+                    Text("AAPL - Apple Inc.")
+                    Text("GOOGL - Alphabet Inc.")
+                    Text("^GSPC - S&P 500 Index")
+                    Text("^DJI - Dow Jones")
+                    Text("^IXIC - NASDAQ Composite")
+                }
+                .font(.caption)
+                .foregroundStyle(.secondary)
+            }
+        }
+        .navigationTitle("Stocks")
+        .alert("Error", isPresented: $showError) {
+            Button("OK") {}
+        } message: {
+            Text(errorMessage)
+        }
+    }
+
+    private func addSymbol() {
+        let cleaned = newSymbol.trimmingCharacters(in: .whitespacesAndNewlines).uppercased()
+        guard !cleaned.isEmpty else { return }
+
+        if store.symbols.contains(cleaned) {
+            errorMessage = "Symbol '\(cleaned)' already exists."
+            showError = true
+            return
+        }
+
+        if store.symbols.count >= 5 {
+            errorMessage = "Maximum of 5 symbols allowed."
+            showError = true
+            return
+        }
+
+        store.addSymbol(cleaned)
+        newSymbol = ""
+    }
+}
+
+struct StockSettingsView_Previews: PreviewProvider {
+    static var previews: some View {
+        NavigationStack {
+            StockSettingsView(store: StockSettingsStore())
+        }
+    }
+}