fix: dispatch before_tool_call and after_tool_call hooks from both tool execution paths (openclaw#15012) thanks @Patrick-Barletta

Verified:
- pnpm check

Co-authored-by: Patrick-Barletta <67929313+Patrick-Barletta@users.noreply.github.com>

src/agents/pi-embedded-runner/run/attempt.ts

@@ -455,6 +455,9 @@ export async function runEmbeddedAttempt(
         model: params.model,
       });
 
+      // Get hook runner early so it's available when creating tools
+      const hookRunner = getGlobalHookRunner();
+
       const { builtInTools, customTools } = splitSdkTools({
         tools,
         sandboxEnabled: !!sandbox?.enabled,
@@ -632,6 +635,7 @@ export async function runEmbeddedAttempt(
       const subscription = subscribeEmbeddedPiSession({
         session: activeSession,
         runId: params.runId,
+        hookRunner: getGlobalHookRunner() ?? undefined,
         verboseLevel: params.verboseLevel,
         reasoningMode: params.reasoningLevel ?? "off",
         toolResultFormat: params.toolResultFormat,
@@ -715,8 +719,7 @@ export async function runEmbeddedAttempt(
         }
       }
 
-      // Get hook runner once for both before_agent_start and agent_end hooks
-      const hookRunner = getGlobalHookRunner();
+      // Hook runner was already obtained earlier before tool creation
       const hookAgentId =
         typeof params.agentId === "string" && params.agentId.trim()
           ? normalizeAgentId(params.agentId)