fix(collection): hide redundant individual selector

Sources/PokeTokenBar/UI/CompanionView.swift

@@ -1562,8 +1562,8 @@ struct PokemonDetailView: View {
                     if species.id == UnownForm.speciesID { unownFormPicker }
                     if displayedSpecies.hasNormal && displayedSpecies.isShiny { appearancePicker }
                     identityHeader
-                    if !individuals.isEmpty { individualPicker }
-                    else {
+                    if individuals.count > 1 { individualPicker }
+                    if individuals.isEmpty {
                         Text(store.l.dexAppearancePreview).font(.callout).foregroundStyle(.secondary)
                     }
                     if let details = store.pokemonDetailsByID[species.id] {

Tests/PokeTokenBarTests/IndividualPickerRenderingTests.swift

@@ -0,0 +1,66 @@
+import AppKit
+import SwiftUI
+import XCTest
+@testable import PokeTokenBar
+
+private struct PickerRenderProvider: PokeProviding, PokemonDetailProviding {
+    func line(baseSpeciesID: Int) async throws -> EvoLine { throw URLError(.notConnectedToInternet) }
+    func baseSpeciesIndex() async throws -> [BaseSpecies] { [] }
+    func baseSpecies(id: Int) async throws -> BaseSpecies? { nil }
+    func pokemonDetails(speciesID: Int) async throws -> PokemonDetails {
+        PokemonDetails(speciesID: speciesID, name: "parasect", height: 10, weight: 295,
+            baseExperience: 142, genderRate: 4, types: ["bug", "grass"],
+            baseStats: ["hp": 60, "attack": 95, "defense": 80, "special-attack": 60, "special-defense": 80, "speed": 30],
+            abilities: [PokemonAbilityOption(name: "effect-spore", slot: 1, isHidden: false)], moves: [])
+    }
+}
+@MainActor
+final class IndividualPickerRenderingTests: XCTestCase {
+    func testMountedSingleAndMultipleIndividuals() async throws {
+        for count in [1, 2] {
+            let dir = FileManager.default.temporaryDirectory.appendingPathComponent("individual-picker-\(UUID())")
+            try FileManager.default.createDirectory(at: dir, withIntermediateDirectories: true)
+            defer { try? FileManager.default.removeItem(at: dir) }
+            let file = dir.appendingPathComponent("state.json")
+            var state = CompanionState()
+            state.language = .en
+            state.dex = (0..<count).map { i in
+                DexEntry(id: "fixture-\(i)", baseID: 46, finalID: 47, chainOrder: [46,47], rarity: .common,
+                    caughtAt: Date(timeIntervalSince1970: 1700000000 + Double(i)),
+                    profile: PokemonProfile.generate(seed: UInt64(i + 1), instanceID: "fixture-\(i)"),
+                    names: [47: ["en": "Parasect"]])
+            }
+            try JSONEncoder().encode(state).write(to: file)
+            let store = CompanionStore(provider: PickerRenderProvider(), fileURL: file)
+            await store.loadPokemonDetails(speciesID: 47)
+            let species = try XCTUnwrap(store.dexSpecies.first { $0.id == 47 })
+            let view = PokemonDetailView(store: store, species: species, onBack: {},
+                spriteStore: SpriteStore(directory: dir))
+                .frame(width: PopoverMetrics.contentWidth, height: 520)
+                .background(Color.white).environment(\.colorScheme, .light)
+            let host = NSHostingView(rootView: view)
+            host.frame = NSRect(x: 0, y: 0, width: PopoverMetrics.contentWidth, height: 520)
+            let window = NSWindow(contentRect: host.frame, styleMask: .borderless, backing: .buffered, defer: false)
+            window.isReleasedWhenClosed = false
+            defer { window.close() }
+            window.appearance = NSAppearance(named: .aqua)
+            window.contentView = host
+            window.setFrameOrigin(NSPoint(x: -10000, y: -10000))
+            window.orderFront(nil)
+            try await Task.sleep(for: .milliseconds(100))
+            host.layoutSubtreeIfNeeded()
+            func descendants(_ v: NSView) -> [NSView] { [v] + v.subviews.flatMap(descendants) }
+            let menus = descendants(host).compactMap { $0 as? NSPopUpButton }
+            XCTAssertEqual(menus.count, count == 1 ? 0 : 1)
+            if count == 2 { XCTAssertEqual(menus.first?.numberOfItems, 2) }
+            if let output = ProcessInfo.processInfo.environment["PTB_PICKER_RENDER_DIR"] {
+                // Capture only the selector/profile area; no sprite or user save data is included.
+                let captureBounds = NSRect(x: 0, y: 140, width: PopoverMetrics.contentWidth, height: 370)
+                let bitmap = try XCTUnwrap(host.bitmapImageRepForCachingDisplay(in: captureBounds))
+                host.cacheDisplay(in: captureBounds, to: bitmap)
+                try XCTUnwrap(bitmap.representation(using: .png, properties: [:])).write(to:
+                    URL(fileURLWithPath: output).appendingPathComponent("individual-\(count).png"))
+            }
+        }
+    }
+}