feat: Update user accounts with personalized credentials

- Update user accounts to use custom names: aalekh, admin, ishita, jeeb
- Use standardized password format: name@maptrees for all users
- Aalekh has admin privileges for full system control
- Admin account for administrative tasks
- Ishita and Jeeb have researcher roles with edit_own permissions
- Update login page with new account selection
- Auto-select Ishita account for easy testing
- Maintain role-based permission system

auth.py

@@ -18,34 +18,34 @@ class AuthManager:
         
         # Predefined user accounts (in production, use a database)
         self.users = {
-            # Owner account
-            "admin": {
-                "password_hash": self._hash_password("treetrack2025!"),
+            # Administrator account
+            "aalekh": {
+                "password_hash": self._hash_password("aalekh@maptrees"),
                 "role": "admin",
-                "full_name": "TreeTrack Administrator",
+                "full_name": "Aalekh",
                 "permissions": ["read", "write", "delete", "admin"]
             },
             
-            # System account
-            "system": {
-                "password_hash": self._hash_password("system@tree2025"),
-                "role": "system", 
-                "full_name": "System User",
-                "permissions": ["read", "write", "delete", "system"]
+            # System account (for admin use)
+            "admin": {
+                "password_hash": self._hash_password("admin@maptrees"),
+                "role": "admin", 
+                "full_name": "System Administrator",
+                "permissions": ["read", "write", "delete", "admin"]
             },
             
-            # User accounts (you can share these credentials)
-            "researcher1": {
-                "password_hash": self._hash_password("field@research2025"),
+            # User accounts
+            "ishita": {
+                "password_hash": self._hash_password("ishita@maptrees"),
                 "role": "researcher",
-                "full_name": "Field Researcher 1", 
+                "full_name": "Ishita", 
                 "permissions": ["read", "write", "edit_own"]
             },
             
-            "researcher2": {
-                "password_hash": self._hash_password("tree@study2025"),
+            "jeeb": {
+                "password_hash": self._hash_password("jeeb@maptrees"),
                 "role": "researcher",
-                "full_name": "Field Researcher 2",
+                "full_name": "Jeeb",
                 "permissions": ["read", "write", "edit_own"]
             }
         }

static/login.html

@@ -272,21 +272,21 @@
         <div class="demo-accounts">
             <div class="demo-title">🔐 Available Accounts</div>
             <div class="account-list">
-                <div class="account-item" onclick="fillCredentials('admin', 'treetrack2025!')">
-                    <div class="account-role">Administrator</div>
+                <div class="account-item" onclick="fillCredentials('aalekh', 'aalekh@maptrees')">
+                    <div class="account-role">Aalekh (Admin)</div>
                     <div class="account-username">Full system access</div>
                 </div>
-                <div class="account-item" onclick="fillCredentials('researcher1', 'field@research2025')">
-                    <div class="account-role">Field Researcher 1</div>
-                    <div class="account-username">Research & documentation</div>
+                <div class="account-item" onclick="fillCredentials('admin', 'admin@maptrees')">
+                    <div class="account-role">System Admin</div>
+                    <div class="account-username">Administrative access</div>
                 </div>
-                <div class="account-item" onclick="fillCredentials('researcher2', 'tree@study2025')">
-                    <div class="account-role">Field Researcher 2</div>
-                    <div class="account-username">Research & documentation</div>
+                <div class="account-item" onclick="fillCredentials('ishita', 'ishita@maptrees')">
+                    <div class="account-role">Ishita</div>
+                    <div class="account-username">Tree research & documentation</div>
                 </div>
-                <div class="account-item" onclick="fillCredentials('system', 'system@tree2025')">
-                    <div class="account-role">System Account</div>
-                    <div class="account-username">System operations</div>
+                <div class="account-item" onclick="fillCredentials('jeeb', 'jeeb@maptrees')">
+                    <div class="account-role">Jeeb</div>
+                    <div class="account-username">Tree research & documentation</div>
                 </div>
             </div>
         </div>
@@ -402,9 +402,9 @@
 
         // Auto-fill demo credentials on page load for development
         document.addEventListener('DOMContentLoaded', () => {
-            // Auto-select researcher1 account for easy testing
+            // Auto-select ishita account for easy testing
             setTimeout(() => {
-                fillCredentials('researcher1', 'field@research2025');
+                fillCredentials('ishita', 'ishita@maptrees');
             }, 1000);
         });
     </script>