Add support for index view in context hook and refactor summary retrieval method

src/bin/hooks/context-hook.ts

@@ -8,9 +8,12 @@ import { contextHook } from '../../hooks/context.js';
 import { stdin } from 'process';
 
 try {
+  // Check for --index flag
+  const useIndexView = process.argv.includes('--index');
+
   if (stdin.isTTY) {
     // Running manually from terminal - print formatted output with colors
-    const contextOutput = contextHook(undefined, true);
+    const contextOutput = contextHook(undefined, true, useIndexView);
     console.log(contextOutput);
     process.exit(0);
   } else {
@@ -19,7 +22,7 @@ try {
     stdin.on('data', (chunk) => input += chunk);
     stdin.on('end', () => {
       const parsed = input.trim() ? JSON.parse(input) : undefined;
-      const contextOutput = contextHook(parsed, false);
+      const contextOutput = contextHook(parsed, false, useIndexView);
       const result = {
         hookSpecificOutput: {
           hookEventName: "SessionStart",