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/Orchestrator/ContextOrchestrator.swift

@@ -42,6 +42,7 @@ 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
@@ -253,10 +254,15 @@ 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
@@ -272,6 +278,7 @@ 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] = [:]
@@ -434,13 +441,26 @@ 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)
@@ -515,6 +535,27 @@ 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,
@@ -596,6 +637,34 @@ 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 {