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src/services/auth.js

@@ -87,8 +87,11 @@ export async function checkInstructorPermission(user) {
     let snap;
 
     try {
+        console.log(`[Permission Check] Checking whitelist for email: '${email}'`);
         snap = await getDoc(instructorRef);
+        console.log(`[Permission Check] Result for '${email}': exists=${snap.exists()}`);
     } catch (error) {
+        console.warn(`[Permission Check] Failed for '${email}'. Error:`, error);
         console.warn("Instructor Permission Check Failed (likely not whitelisted):", error.code);
         // If permission denied, it means they are not allowed to read the doc => likely not in whitelist
         return null;
@@ -147,9 +150,10 @@ export async function getInstructors() {
  * Add new instructor (Admin Only)
  */
 export async function addInstructor(email, name, permissions) {
-    const instructorRef = doc(db, INSTRUCTORS_COLLECTION, email);
+    const safeEmail = email.trim(); // Ensure no leading/trailing spaces
+    const instructorRef = doc(db, INSTRUCTORS_COLLECTION, safeEmail);
     await setDoc(instructorRef, {
-        email,
+        email: safeEmail,
         name,
         role: 'instructor',
         permissions,

src/views/InstructorView.js

@@ -336,23 +336,42 @@ export async function renderInstructorView() {
 }
 
 export function setupInstructorEvents() {
+    // Utility for cleaning prompt indentation
     // Utility for cleaning prompt indentation
     function stripIndent(str) {
         if (!str) return '';
-        // Remove first line if empty (common in template literals)
-        const lines = str.replace(/^\n/, '').split('\n');
+        // 1. Split into lines
+        let lines = str.split('\n');
+
+        // 2. Remove leading empty lines (often result of template literals)
+        while (lines.length > 0 && lines[0].trim() === '') {
+            lines.shift();
+        }
 
-        // Find min indentation (ignoring empty lines)
+        // 3. Remove trailing empty lines
+        while (lines.length > 0 && lines[lines.length - 1].trim() === '') {
+            lines.pop();
+        }
+
+        if (lines.length === 0) return '';
+
+        // 4. Find min indent
         const minIndent = lines.reduce((min, line) => {
-            if (!line.trim()) return min;
-            const indent = line.match(/^\s*/)[0].length;
+            if (!line.trim()) return min; // Ignore empty lines
+            const match = line.match(/^ */);
+            const indent = match ? match[0].length : 0;
             return Math.min(min, indent);
         }, Infinity);
 
-        if (minIndent === Infinity) return str.trim(); // No non-empty lines
+        if (minIndent === Infinity) return str.trim();
 
-        // Strip indent
-        return lines.map(line => line.slice(minIndent)).join('\n').trim();
+        // 5. Strip indent
+        return lines.map(line => {
+            if (line.length >= minIndent) {
+                return line.slice(minIndent);
+            }
+            return line;
+        }).join('\n');
     }
 
     let roomUnsubscribe = null;