Add scan flow MVP and local Axiom skill workspace

This snapshot establishes the camera-to-result recognition flow and related tests while checking in the project skill/docs assets required for the configured local tooling.

StackDex/Models/ConfirmedScanRecord.swift

@@ -0,0 +1,46 @@
+import Foundation
+import SwiftData
+
+@Model
+final class ConfirmedScanRecord {
+    var confirmedAt: Date
+    var cardName: String
+    var cardNumber: String
+    var setIdentifier: String
+    var rarity: String
+    var recognitionSource: String
+    var confidence: String
+    var rawTextPreview: String
+
+    init(
+        confirmedAt: Date = .now,
+        cardName: String,
+        cardNumber: String,
+        setIdentifier: String,
+        rarity: String,
+        recognitionSource: String,
+        confidence: String,
+        rawTextPreview: String
+    ) {
+        self.confirmedAt = confirmedAt
+        self.cardName = cardName
+        self.cardNumber = cardNumber
+        self.setIdentifier = setIdentifier
+        self.rarity = rarity
+        self.recognitionSource = recognitionSource
+        self.confidence = confidence
+        self.rawTextPreview = rawTextPreview
+    }
+
+    convenience init(draft: CardRecognitionDraft) {
+        self.init(
+            cardName: draft.cardName,
+            cardNumber: draft.cardNumber,
+            setIdentifier: draft.setIdentifier,
+            rarity: draft.rarity,
+            recognitionSource: draft.source.rawValue,
+            confidence: draft.confidence.rawValue,
+            rawTextPreview: String(draft.rawText.prefix(240))
+        )
+    }
+}