add ping toggle

README.md

@@ -126,15 +126,41 @@ bb run    # Send waiting notification
 Configuration is stored in `~/.iamwaiting/config.edn`:
 
 ```clojure
-{:webhook-url "https://discord.com/api/webhooks/YOUR_WEBHOOK_ID/YOUR_WEBHOOK_TOKEN"}
+{:webhook-url "https://discord.com/api/webhooks/YOUR_WEBHOOK_ID/YOUR_WEBHOOK_TOKEN"
+ :user-id "123456789012345678"  ; Optional: for @mentions
+ :toggles {:idle-prompt true
+           :permission-prompt true
+           :permission-prompt-ping true}}
 ```
 
 You can also set the webhook URL via environment variable:
 
 ```bash
 export IAMWAITING_WEBHOOK_URL="https://discord.com/api/webhooks/..."
+export IAMWAITING_USER_ID="123456789012345678"  # Optional
 ```
 
+### Advanced Configuration
+
+Control which notifications you receive using toggles:
+
+```bash
+# Show current toggle status
+iamwaiting toggle status
+
+# Toggle notification types on/off
+iamwaiting toggle idle-prompt on|off
+iamwaiting toggle permission-prompt on|off
+
+# Control @mentions on permission prompts
+iamwaiting toggle permission-prompt-ping on|off
+```
+
+**Use cases:**
+- **Focus time:** Disable pings but keep notifications (`permission-prompt-ping off`)
+- **Critical only:** Only notify on permission prompts (`idle-prompt off`)
+- **Silent mode:** Disable all notifications (both toggles `off`)
+
 ## How It Works
 
 When Claude Code is waiting for user input, the `agent-waiting-for-user` hook is triggered, which:
@@ -149,15 +175,33 @@ The notification appears in your Discord channel with:
 - ⏳ Waiting indicator
 - 📁 Project name and path
 - 🕐 Timestamp
+- @mention (if configured and enabled for permission prompts)
 
-## Example Notification
+## Example Notifications
 
+**Idle prompt (standard notification):**
 ```
 ⏳ **Claude is waiting** in `my-project`
 📁 Path: `/home/user/repos/my-project`
 🕐 Time: 14:23:45
 ```
 
+**Permission prompt with ping enabled:**
+```
+<@123456789012345678> ⏳ **Claude is waiting** in `my-project`
+📁 Path: `/home/user/repos/my-project`
+🕐 Time: 14:23:45
+📢 Type: `permission_prompt`
+```
+
+**Permission prompt with ping disabled:**
+```
+⏳ **Claude is waiting** in `my-project`
+📁 Path: `/home/user/repos/my-project`
+🕐 Time: 14:23:45
+📢 Type: `permission_prompt`
+```
+
 ## Troubleshooting
 
 **"No webhook URL configured"**