fix(hooks): add JsonSchema derive to HooksConfig and BuiltinHooksConfig

Upstream main now derives schemars::JsonSchema on all config structs.
Our HooksConfig and BuiltinHooksConfig were missing it, causing CI
Build (Smoke) failure when the merge commit was compiled.

src/agent/loop_.rs

@@ -1300,6 +1300,7 @@ pub(crate) async fn agent_turn(
         max_tool_iterations,
         None,
         None,
+        None,
     )
     .await
 }
@@ -2126,6 +2127,7 @@ pub async fn run(
             config.agent.max_tool_iterations,
             None,
             None,
+            None,
         )
         .await?;
         final_output = response.clone();
@@ -2245,6 +2247,7 @@ pub async fn run(
                 config.agent.max_tool_iterations,
                 None,
                 None,
+                None,
             )
             .await
             {

src/config/schema.rs

@@ -1761,7 +1761,7 @@ impl Default for ObservabilityConfig {
 
 // ── Hooks ────────────────────────────────────────────────────────
 
-#[derive(Debug, Clone, Serialize, Deserialize)]
+#[derive(Debug, Clone, Serialize, Deserialize, JsonSchema)]
 pub struct HooksConfig {
     /// Enable lifecycle hook execution.
     ///
@@ -1781,7 +1781,7 @@ impl Default for HooksConfig {
     }
 }
 
-#[derive(Debug, Clone, Serialize, Deserialize)]
+#[derive(Debug, Clone, Serialize, Deserialize, JsonSchema)]
 pub struct BuiltinHooksConfig {
     /// Enable the command-logger hook (logs tool calls for auditing).
     pub command_logger: bool,

src/tools/delegate.rs

@@ -409,6 +409,7 @@ impl DelegateTool {
                 agent_config.max_iterations,
                 None,
                 None,
+                None,
             ),
         )
         .await;