perf(claude-code-hooks): defer config loading until after disabled check

Move loadClaudeHooksConfig and loadPluginExtendedConfig after isHookDisabled check
in both tool-execute-before and tool-execute-after handlers to skip 5 file reads
per tool call when hooks are disabled (C1)

src/hooks/claude-code-hooks/handlers/tool-execute-after-handler.ts

@@ -79,8 +79,6 @@ export function createToolExecuteAfterHandler(ctx: PluginInput, config: PluginCo
 			return
 		}
 
-		const claudeConfig = await loadClaudeHooksConfig()
-		const extendedConfig = await loadPluginExtendedConfig()
 
 		const cachedInput = getToolInput(input.sessionID, input.tool, input.callID) || {}
 
@@ -96,6 +94,9 @@ export function createToolExecuteAfterHandler(ctx: PluginInput, config: PluginCo
 			return
 		}
 
+		const claudeConfig = await loadClaudeHooksConfig()
+		const extendedConfig = await loadPluginExtendedConfig()
+
 		const postClient: PostToolUseClient = {
 			session: {
 				messages: (opts) => ctx.client.session.messages(opts),

src/hooks/claude-code-hooks/handlers/tool-execute-before-handler.ts

@@ -43,8 +43,6 @@ export function createToolExecuteBeforeHandler(ctx: PluginInput, config: PluginC
 			log("todowrite: parsed todos string to array", { sessionID: input.sessionID })
 		}
 
-		const claudeConfig = await loadClaudeHooksConfig()
-		const extendedConfig = await loadPluginExtendedConfig()
 
 		appendTranscriptEntry(input.sessionID, {
 			type: "tool_use",
@@ -59,6 +57,9 @@ export function createToolExecuteBeforeHandler(ctx: PluginInput, config: PluginC
 			return
 		}
 
+		const claudeConfig = await loadClaudeHooksConfig()
+		const extendedConfig = await loadPluginExtendedConfig()
+
 		const preCtx: PreToolUseContext = {
 			sessionId: input.sessionID,
 			toolName: input.tool,