Add approval arg to preToolCall hook input.

Author: ericdallo

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 - Prefix tool name with server to LLM: <server>__<toolname>. #196
 - Remove `eca_` prefix from eca tools, we already pass server prefix (eca) after #196.
+- Add `approval` arg to preToolCall hook input.
 
 ## 0.77.1
 

docs/configuration.md

@@ -359,6 +359,7 @@ Examples:
       "hooks": {
         "notify-me": {
           "type": "postRequest",
+          "visible": false,
           "actions": [
             {
               "type": "shell",
@@ -370,6 +371,26 @@ Examples:
     } 
     ```
 
+=== "Ring bell sound when pending tool call approval"
+
+    ```javascript title="~/.config/eca/config.json"
+    {
+      "hooks": {
+        "notify-me": {
+          "type": "preToolCall",
+          "visible": false,
+          "actions": [
+            {
+              "type": "shell",
+              "shell": "[[ $(jq '.approval == \"ask\"' <<< \"$1\") ]] && canberra-gtk-play -i complete"
+            }
+          ]
+        }
+      }
+    }
+    ```
+
+
 === "Block specific tool call checking hook arg"
 
     ```javascript title="~/.config/eca/config.json"
@@ -378,7 +399,6 @@ Examples:
         "check-my-tool": {
           "type": "preToolCall", 
           "matcher": "my-mcp__some-tool",
-          "visible": false,
           "actions": [
             {
               "type": "shell",

src/eca/features/chat.clj

@@ -685,7 +685,8 @@
                                                                     {:chat-id chat-id
                                                                      :tool-name name
                                                                      :server server-name
-                                                                     :arguments arguments}
+                                                                     :arguments arguments
+                                                                     :approval approval}
                                                                     {:on-before-action (partial notify-before-hook-action! chat-ctx)
                                                                      :on-after-action (fn [result]
                                                                                         (when (= 2 (:status result))