Wrap custom tools with hooks (#248)

packages/coding-agent/CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## [Unreleased]
 
+### Fixed
+
+- **Hooks wrap custom tools**: Custom tools are now executed through the hook wrapper, so `tool_call`/`tool_result` hooks can observe, block, and modify custom tool executions (consistent with hook type docs).
+
 ## [0.24.0] - 2025-12-19
 
 ### Added

packages/coding-agent/docs/hooks.md

@@ -645,7 +645,7 @@ main.ts
 
 ## Tool Wrapping
 
-Tools are wrapped with hook callbacks before the agent is created:
+Tools (built-in and custom) are wrapped with hook callbacks after tool discovery/selection, before the agent is created:
 
 ```
 main.ts

packages/coding-agent/src/main.ts

@@ -315,9 +315,6 @@ export async function main(args: string[]) {
 	if (hooks.length > 0) {
 		const timeout = settingsManager.getHookTimeout();
 		hookRunner = new HookRunner(hooks, cwd, timeout);
-
-		// Wrap tools with hook callbacks
-		selectedTools = wrapToolsWithHooks(selectedTools, hookRunner);
 	}
 
 	// Discover and load custom tools from:
@@ -344,6 +341,11 @@ export async function main(args: string[]) {
 		selectedTools = [...selectedTools, ...customToolInstances] as typeof selectedTools;
 	}
 
+	// Wrap tools with hook callbacks (built-in and custom)
+	if (hookRunner) {
+		selectedTools = wrapToolsWithHooks(selectedTools, hookRunner);
+	}
+
 	// Create agent
 	const agent = new Agent({
 		initialState: {