Some messy stuff cleaned up in Inventory UI

LabWise/ChemicalDetailView.swift

@@ -1,6 +1,52 @@
 import SwiftUI
 import LabWiseKit
 
+private let isoDateFormatter: ISO8601DateFormatter = {
+    let f = ISO8601DateFormatter()
+    f.formatOptions = [.withFullDate]
+    return f
+}()
+
+private let isoTimestampFormatter: ISO8601DateFormatter = {
+    let f = ISO8601DateFormatter()
+    f.formatOptions = [.withInternetDateTime, .withFractionalSeconds]
+    return f
+}()
+
+private let displayDateFormatter: DateFormatter = {
+    let f = DateFormatter()
+    f.dateStyle = .medium
+    f.timeStyle = .none
+    return f
+}()
+
+private let displayTimestampFormatter: DateFormatter = {
+    let f = DateFormatter()
+    f.dateStyle = .medium
+    f.timeStyle = .short
+    return f
+}()
+
+private func formatDate(_ iso: String?) -> String {
+    guard let iso else { return "" }
+    if let date = isoDateFormatter.date(from: iso) {
+        return displayDateFormatter.string(from: date)
+    }
+    // Fallback: try full timestamp (e.g. "2025-03-01T00:00:00.000Z")
+    if let date = isoTimestampFormatter.date(from: iso) {
+        return displayDateFormatter.string(from: date)
+    }
+    return iso
+}
+
+private func formatTimestamp(_ iso: String?) -> String {
+    guard let iso else { return "" }
+    if let date = isoTimestampFormatter.date(from: iso) {
+        return displayTimestampFormatter.string(from: date)
+    }
+    return iso
+}
+
 struct ChemicalDetailView: View {
     @State private var chemical: Chemical
     @State private var showEdit = false
@@ -56,8 +102,8 @@ struct ChemicalDetailView: View {
                 if let lot = chemical.lotNumber {
                     LabeledContent("Lot #", value: lot)
                 }
-                if let exp = chemical.expirationDate {
+                if let exp = chemical.expirationDate, !exp.isEmpty {
-                    LabeledContent("Expiration", value: exp)
+                    LabeledContent("Expiration", value: formatDate(exp))
                 }
                 if let barcode = chemical.barcode {
                     LabeledContent("Barcode", value: barcode)
@@ -76,10 +122,10 @@ struct ChemicalDetailView: View {
 
             Section("Record") {
                 if let created = chemical.createdAt {
-                    LabeledContent("Created", value: created)
+                    LabeledContent("Created", value: formatTimestamp(created))
                 }
                 if let updated = chemical.updatedAt {
-                    LabeledContent("Updated", value: updated)
+                    LabeledContent("Updated", value: formatTimestamp(updated))
                 }
             }
         }

LabWise/DashboardView.swift

@@ -65,8 +65,7 @@ final class DashboardViewModel {
         do {
             chemicals = try await client.list()
         } catch {
-            print("[DashboardViewModel] load error: \(error)")
+            errorMessage = "Failed to load dashboard"
-            errorMessage = "Failed to load: \(error)"
         }
     }
 

LabWise/InventoryView.swift

@@ -16,8 +16,7 @@ final class InventoryViewModel {
         do {
             chemicals = try await client.list()
         } catch {
-            print("[InventoryViewModel] loadChemicals error: \(error)")
+            errorMessage = "Failed to load chemicals"
-            errorMessage = "Failed to load chemicals: \(error)"
         }
     }
 
@@ -26,8 +25,7 @@ final class InventoryViewModel {
             try await client.delete(id: chemical.id)
             chemicals.removeAll { $0.id == chemical.id }
         } catch {
-            print("[InventoryViewModel] delete error: \(error)")
+            errorMessage = "Failed to delete"
-            errorMessage = "Failed to delete: \(error)"
         }
     }
 }

LabWiseKit/Sources/LabWiseKit/APIClient.swift

@@ -45,9 +45,6 @@ public final class APIClient: Sendable {
         req.httpMethod = method
         req.setValue(contentType, forHTTPHeaderField: "Content-Type")
 
-        let cookieNames = HTTPCookieStorage.shared.cookies(for: url)?.map(\.name) ?? []
-        print("[APIClient] \(method) \(path) — cookies: \(cookieNames)")
-
         if let body {
             do {
                 req.httpBody = try JSONEncoder.api.encode(body)
@@ -60,27 +57,20 @@ public final class APIClient: Sendable {
         do {
             (data, response) = try await session.data(for: req)
         } catch {
-            print("[APIClient] Network error on \(method) \(path): \(error)")
             throw APIError.networkError(error)
         }
 
         guard let http = response as? HTTPURLResponse else {
-            print("[APIClient] Non-HTTP response on \(method) \(path)")
             throw APIError.networkError(URLError(.badServerResponse))
         }
 
-        print("[APIClient] \(method) \(path) → \(http.statusCode)")
-
         if http.statusCode == 401 {
-            print("[APIClient] 401 — clearing session and signalling unauthorized")
             clearSessionCookies()
             onUnauthorized?()
             throw APIError.unauthorized
         }
 
         guard (200..<300).contains(http.statusCode) else {
-            let body = String(data: data, encoding: .utf8) ?? "<binary \(data.count)b>"
-            print("[APIClient] HTTP \(http.statusCode) on \(method) \(path): \(body)")
             throw APIError.httpError(statusCode: http.statusCode, data: data)
         }