feat: add searchable emoji picker

Sources/ConjureKit/Applications.swift

@@ -3,6 +3,7 @@ import Foundation
 public struct Application: Identifiable, Sendable {
     public enum Command: String, CaseIterable, Sendable {
         case translate
+        case emoji
     }
     public static let commands = Command.allCases.map { Application(command: $0) }
     public let command: Command?
@@ -20,6 +21,7 @@ public struct Application: Identifiable, Sendable {
     public init(command: Command) {
         let name = switch command {
         case .translate: "Conjure Translate"
+        case .emoji: "Conjure Emoji"
         }
         self.init(canonicalURL: URL(string: "conjure-command://\(command.rawValue)")!, name: name, command: command)
     }

Sources/ConjureKit/EmojiCatalog.swift

@@ -0,0 +1,61 @@
+import Foundation
+
+public struct Emoji: Sendable {
+    public let value: String
+    public let name: String
+    public let category: String
+}
+
+public enum EmojiCatalog {
+    private struct Entry: Sendable {
+        let emoji: Emoji
+        let searchText: String
+    }
+
+    private static let entries: [Entry] = {
+        // SwiftPM's generated accessor does not search Contents/Resources in a packaged app.
+        let packagedBundle = Bundle.main.resourceURL.flatMap {
+            Bundle(url: $0.appendingPathComponent("Conjure_ConjureKit.bundle", isDirectory: true))
+        }
+        let bundle = packagedBundle ?? Bundle.module
+        guard let url = bundle.url(forResource: "emoji", withExtension: "tsv"),
+              let contents = try? String(contentsOf: url, encoding: .utf8) else {
+            preconditionFailure("The bundled emoji catalog is missing or unreadable")
+        }
+
+        // Pinned github/gemoji v4.1.0; attribution and license accompany the TSV.
+        return contents.split(whereSeparator: \.isNewline).map { line in
+            let fields = line.split(separator: "\t", omittingEmptySubsequences: false)
+            precondition(fields.count == 5, "Invalid bundled emoji catalog row")
+            return Entry(
+                emoji: Emoji(value: String(fields[0]), name: String(fields[1]), category: String(fields[2])),
+                searchText: normalized([fields[0], fields[1], fields[3], fields[4]].joined(separator: " "))
+            )
+        }
+    }()
+
+    public static let all: [Emoji] = entries.map(\.emoji)
+
+    public static let categories: [String] = {
+        var seen = Set<String>()
+        return all.compactMap { seen.insert($0.category).inserted ? $0.category : nil }
+    }()
+
+    /// Matches every query word against names, GitHub aliases, tags, or literal emoji.
+    /// Category names use the exact values supplied by `categories`; results retain catalog order.
+    public static func search(_ query: String, category: String? = nil) -> [Emoji] {
+        let words = normalized(query).split(whereSeparator: \.isWhitespace)
+        if words.isEmpty && category == nil { return all }
+        return entries.compactMap { entry in
+            guard category == nil || entry.emoji.category == category,
+                  words.allSatisfy({ entry.searchText.contains($0) }) else { return nil }
+            return entry.emoji
+        }
+    }
+
+    private static func normalized(_ text: String) -> String {
+        text.folding(options: [.caseInsensitive, .diacriticInsensitive], locale: Locale(identifier: "en_US_POSIX"))
+            .replacingOccurrences(of: "_", with: " ")
+            .replacingOccurrences(of: ":", with: " ")
+    }
+}

Sources/ConjureKit/Resources/LICENSE-gemoji.txt

@@ -0,0 +1,28 @@
+Emoji catalog derived from github/gemoji v4.1.0.
+Source: https://raw.githubusercontent.com/github/gemoji/v4.1.0/db/emoji.json
+License: https://raw.githubusercontent.com/github/gemoji/v4.1.0/LICENSE
+
+TSV columns: emoji, description, category, space-separated aliases, space-separated tags.
+
+Copyright (c) 2019 GitHub, Inc.
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.