feat(FN-1114): merge fusion/fn-1114 (auto-resolved)

- feat(FN-1114): complete all steps — plugin examples, docs, and scaffold command

plugins/examples/fusion-plugin-notification/README.md

@@ -0,0 +1,100 @@
+# Notification Plugin
+
+Sends webhook notifications on Fusion task lifecycle events (task completed, task moved, errors).
+
+## Features
+
+- **Webhook Notifications**: Send notifications to Slack, Discord, or generic HTTP endpoints
+- **Event Filtering**: Configure which events trigger notifications
+- **Multiple Webhook Formats**: Native support for Slack and Discord webhook payloads
+
+## Installation
+
+### Option 1: Copy to plugins directory
+
+```bash
+cp -r fusion-plugin-notification ~/.fusion/plugins/
+```
+
+### Option 2: Install via CLI
+
+```bash
+fn plugin install /path/to/fusion-plugin-notification
+```
+
+## Configuration
+
+After installation, configure the plugin through the Fusion dashboard:
+
+1. Go to **Settings → Plugins**
+2. Find "Notification Plugin" and click the settings icon
+3. Set your webhook URL and preferred webhook type
+4. Optionally filter which events trigger notifications
+
+### Settings Reference
+
+| Field | Type | Required | Default | Description |
+|-------|------|----------|---------|-------------|
+| `webhookUrl` | string | Yes | — | URL to send webhook notifications to |
+| `webhookType` | enum | No | `generic` | Webhook payload format: `slack`, `discord`, or `generic` |
+| `events` | string | No | (all) | Comma-separated list of events: `task-completed`, `task-moved`, `task-failed`. Empty = all events |
+
+### Example Settings (JSON)
+
+```json
+{
+  "webhookUrl": "https://hooks.slack.com/services/XXX/YYY/ZZZ",
+  "webhookType": "slack",
+  "events": "task-completed,task-moved"
+}
+```
+
+## Webhook Payload Formats
+
+### Slack
+
+```json
+{
+  "text": "✅ Task completed: Fix login bug"
+}
+```
+
+### Discord
+
+```json
+{
+  "content": "✅ Task completed: Fix login bug"
+}
+```
+
+### Generic
+
+```json
+{
+  "event": "task-completed",
+  "timestamp": "2024-01-01T00:00:00.000Z",
+  "task": {
+    "id": "FN-001",
+    "title": "Fix login bug",
+    "from": "todo",
+    "to": "done"
+  }
+}
+```
+
+## Development
+
+```bash
+# Install dependencies
+pnpm install
+
+# Run tests
+pnpm test
+
+# Build
+pnpm build
+```
+
+## License
+
+MIT