Add example-llm plugin to test CI pipeline

Minimal LLM provider plugin that echoes back user text.
Demonstrates TypeWhisperPluginSDK usage with Swift 6 Sendable conformance.

Author: SeoFood

plugin-index.json

@@ -1,5 +1,38 @@
 {
   "schemaVersion": 1,
-  "generatedAt": "2026-03-12T00:00:00Z",
-  "plugins": []
+  "generatedAt": "2026-03-12T20:28:45.180Z",
+  "plugins": [
+    {
+      "id": "com.typewhisper.example-llm",
+      "slug": "example-llm",
+      "name": "Example LLM",
+      "author": "TypeWhisper",
+      "authorUrl": null,
+      "version": "1.0.0",
+      "description": "A minimal example LLM plugin demonstrating the TypeWhisperPluginSDK.",
+      "categories": [
+        "llm"
+      ],
+      "platforms": [
+        "mac"
+      ],
+      "minAppVersion": "1.0.0",
+      "license": "GPL-3.0-only",
+      "homepage": null,
+      "sourceUrl": "https://github.com/TypeWhisper/typewhisper-plugins/tree/main/plugins/example-llm",
+      "icon": "Sparkles",
+      "iconUrl": null,
+      "apiDocsUrl": null,
+      "readmeUrl": "https://github.com/TypeWhisper/typewhisper-plugins/raw/main/plugins/example-llm/README.md",
+      "downloads": {
+        "mac": {
+          "url": "https://github.com/TypeWhisper/typewhisper-plugins/releases/download/example-llm-v1.0.0/example-llm-1.0.0-mac.bundle.zip",
+          "sha256": "",
+          "size": 0
+        }
+      },
+      "publishedAt": "2026-03-12T20:28:45.166Z",
+      "principalClass": "ExampleLLMPlugin"
+    }
+  ]
 }

plugins/example-llm/LICENSE

@@ -0,0 +1,4 @@
+This plugin is part of the TypeWhisper community plugins repository
+and is licensed under the GNU General Public License v3.0.
+
+See the LICENSE file in the repository root for the full license text.

plugins/example-llm/README.md

@@ -0,0 +1,24 @@
+# Example LLM Plugin
+
+A minimal example plugin that demonstrates how to build an LLM provider for TypeWhisper using the TypeWhisperPluginSDK.
+
+## What it does
+
+This plugin echoes back the user's text with a prefix, serving as a starting point for building your own LLM provider plugin.
+
+## Setup
+
+No configuration required. The plugin works out of the box.
+
+## Usage
+
+1. Install the plugin
+2. Select "Example LLM" as your LLM provider in TypeWhisper settings
+3. Any transcribed text will be echoed back with an "[Example]" prefix
+
+## Building from Source
+
+```bash
+cd src
+swift build
+```

plugins/example-llm/manifest.json

@@ -0,0 +1,14 @@
+{
+  "id": "com.typewhisper.example-llm",
+  "slug": "example-llm",
+  "name": "Example LLM",
+  "author": "TypeWhisper",
+  "version": "1.0.0",
+  "description": "A minimal example LLM plugin demonstrating the TypeWhisperPluginSDK.",
+  "categories": ["llm"],
+  "platforms": ["mac"],
+  "minAppVersion": "1.0.0",
+  "license": "GPL-3.0-only",
+  "principalClass": "ExampleLLMPlugin",
+  "icon": "Sparkles"
+}

plugins/example-llm/src/Package.resolved

@@ -0,0 +1,24 @@
+// swift-tools-version: 6.0
+import PackageDescription
+
+let package = Package(
+    name: "ExampleLLM",
+    platforms: [.macOS(.v14)],
+    products: [
+        .library(name: "ExampleLLM", type: .dynamic, targets: ["ExampleLLM"])
+    ],
+    dependencies: [
+        .package(
+            url: "https://github.com/TypeWhisper/TypeWhisperPluginSDK.git",
+            from: "1.0.0"
+        )
+    ],
+    targets: [
+        .target(
+            name: "ExampleLLM",
+            dependencies: [
+                .product(name: "TypeWhisperPluginSDK", package: "TypeWhisperPluginSDK")
+            ]
+        )
+    ]
+)

plugins/example-llm/src/Package.swift

@@ -0,0 +1,43 @@
+import Foundation
+import TypeWhisperPluginSDK
+import SwiftUI
+
+@objc(ExampleLLMPlugin)
+final class ExampleLLMPlugin: NSObject, LLMProviderPlugin {
+    static let pluginId = "com.typewhisper.example-llm"
+    static let pluginName = "Example LLM"
+
+    private nonisolated(unsafe) var host: HostServices?
+
+    let providerName = "Example LLM"
+    let supportedModels = [
+        PluginModelInfo(
+            id: "echo-v1",
+            displayName: "Echo V1",
+            sizeDescription: "Local",
+            languageCount: 0
+        )
+    ]
+
+    var isAvailable: Bool { true }
+
+    override init() {
+        super.init()
+    }
+
+    func activate(host: HostServices) {
+        self.host = host
+    }
+
+    func deactivate() {
+        host = nil
+    }
+
+    func process(
+        systemPrompt: String,
+        userText: String,
+        model: String?
+    ) async throws -> String {
+        return "[Example] \(userText)"
+    }
+}