Separating users from tasks + fixing weird ota bug

Provider/frontend/src/App.svelte

@@ -3,6 +3,7 @@
   import OTAUpdate from "./lib/OTAUpdate.svelte";
   import Sidebar from "./lib/Sidebar.svelte";
   import TaskManager from "./lib/TaskManager.svelte";
+  import UserManager from "./lib/UserManager.svelte";
 
   /** @type {'loading' | 'ok' | 'error' | 'rebooting'} */
   let status = $state("loading");
@@ -10,7 +11,7 @@
   let showRebootConfirm = $state(false);
   let isRecovering = $state(false);
 
-  /** @type {'dashboard' | 'tasks'} */
+  /** @type {'dashboard' | 'tasks' | 'users'} */
   let currentView = $state("dashboard");
 
   let systemInfo = $state({
@@ -144,7 +145,7 @@
     <div class="w-full max-w-6xl mx-auto space-y-8">
       <!-- Header -->
       <div class="text-center">
-        <h1 class="text-2xl font-bold text-accent">Calendink Provider 🚀👑🥸</h1>
+        <h1 class="text-2xl font-bold text-accent">Calendink Provider 📅📅🚀🚀</h1>
         <p class="text-text-secondary text-sm">ESP32-S3 System Dashboard v{__APP_VERSION__}</p>
         
         <!-- Status Badge -->
@@ -323,6 +324,11 @@
         <div class="bg-bg-card border border-border rounded-xl p-6 shadow-xl">
           <TaskManager />
         </div>
+      {:else if currentView === 'users'}
+        <!-- User Management View -->
+        <div class="bg-bg-card border border-border rounded-xl p-8 shadow-xl">
+          <UserManager mode="manager" />
+        </div>
       {/if}
 
       <!-- Reboot Confirmation Modal -->

Provider/frontend/src/lib/Sidebar.svelte

@@ -5,6 +5,7 @@
   const navItems = [
     { id: 'dashboard', label: 'Dashboard', icon: '🏠' },
     { id: 'tasks', label: 'Tasks', icon: '📋' },
+    { id: 'users', label: 'Users', icon: '👥' },
   ];
 </script>
 

Provider/frontend/src/lib/UserManager.svelte

@@ -1,274 +1,436 @@
 <script>
-  import { getUsers, addUser, removeUser } from './api.js';
+  import { getUsers, addUser, removeUser, updateUser } from './api.js';
  
-  let { selectedUserId = $bindable(null), onUsersChanged = () => {} } = $props();
+   let { 
+     selectedUserId = $bindable(null), 
+     onUsersChanged = () => {},
+     mode = 'selector' // 'selector' | 'manager'
+   } = $props();
  
-  let users = $state([]);
+   let users = $state([]);
-  let newUserName = $state('');
+   let newUserName = $state('');
-  let showAddForm = $state(false);
+   let showAddForm = $state(false);
-  let error = $state('');
+   let error = $state('');
-  let confirmDeleteId = $state(null);
+   let confirmDeleteId = $state(null);
    
-  async function fetchUsers() {
+   // Edit state
-    try {
+   let editingUserId = $state(null);
-      users = await getUsers();
+   let editName = $state('');
-      if (users.length > 0 && !selectedUserId) {
-        selectedUserId = users[0].id;
-      }
-      // If selected user was deleted, select first available
-      if (selectedUserId && !users.find(u => u.id === selectedUserId)) {
-        selectedUserId = users.length > 0 ? users[0].id : null;
-      }
-      error = '';
-    } catch (e) {
-      error = e.message;
-    }
-  }
  
-  async function handleAddUser() {
+   async function fetchUsers() {
-    if (!newUserName.trim()) return;
+     try {
-    try {
+       users = await getUsers();
-      const user = await addUser(newUserName.trim());
+       if (users.length > 0 && !selectedUserId && mode === 'selector') {
-      newUserName = '';
+         selectedUserId = users[0].id;
-      showAddForm = false;
+       }
-      await fetchUsers();
+       // If selected user was deleted, select first available
-      selectedUserId = user.id;
+       if (selectedUserId && !users.find(u => u.id === selectedUserId)) {
-      onUsersChanged();
+         selectedUserId = users.length > 0 ? users[0].id : null;
-    } catch (e) {
+       }
-      error = e.message;
+       error = '';
-    }
+     } catch (e) {
-  }
+       error = e.message;
+     }
+   }
  
-  async function handleRemoveUser(id) {
+   async function handleAddUser() {
-    try {
+     if (!newUserName.trim()) return;
-      await removeUser(id);
+     try {
-      confirmDeleteId = null;
+       const user = await addUser(newUserName.trim());
-      await fetchUsers();
+       newUserName = '';
-      onUsersChanged();
+       showAddForm = false;
-    } catch (e) {
+       await fetchUsers();
-      error = e.message;
+       if (mode === 'selector') selectedUserId = user.id;
-    }
+       onUsersChanged();
-  }
+     } catch (e) {
+       error = e.message;
+     }
+   }
  
-  $effect(() => {
+   async function handleRemoveUser(id) {
-    fetchUsers();
+     try {
-  });
+       await removeUser(id);
-</script>
+       confirmDeleteId = null;
+       await fetchUsers();
+       onUsersChanged();
+     } catch (e) {
+       error = e.message;
+     }
+   }
  
-<div class="user-manager">
+   function startEditing(user) {
-  <div class="user-bar">
+     editingUserId = user.id;
-    <div class="user-chips">
+     editName = user.name;
-      {#each users as user}
+   }
-        <!-- svelte-ignore node_invalid_placement_ssr -->
-        <div
-          class="user-chip {selectedUserId === user.id ? 'selected' : ''}"
-          onclick={() => selectedUserId = user.id}
-          role="button"
-          tabindex="0"
-          onkeydown={(e) => { if (e.key === 'Enter') selectedUserId = user.id; }}
-        >
-          <span class="user-name">{user.name}</span>
-          {#if confirmDeleteId === user.id}
-            <span class="confirm-delete">
-              <button class="confirm-yes" onclick={(e) => { e.stopPropagation(); handleRemoveUser(user.id); }} title="Confirm delete">✓</button>
-              <button class="confirm-no" onclick={(e) => { e.stopPropagation(); confirmDeleteId = null; }} title="Cancel">✕</button>
-            </span>
-          {:else}
-            <button
-              class="remove-btn"
-              onclick={(e) => { e.stopPropagation(); confirmDeleteId = user.id; }}
-              title="Remove user"
-            >✕</button>
-          {/if}
-        </div>
-      {/each}
  
-      {#if showAddForm}
+   async function handleUpdateUser() {
-        <form class="add-user-form" onsubmit={(e) => { e.preventDefault(); handleAddUser(); }}>
+     if (!editName.trim()) return;
-          <!-- svelte-ignore a11y_autofocus -->
+     try {
-          <input
+       await updateUser(editingUserId, editName.trim());
-            type="text"
+       editingUserId = null;
-            bind:value={newUserName}
+       await fetchUsers();
-            placeholder="Name..."
+       onUsersChanged();
-            class="add-user-input"
+     } catch (e) {
-            autofocus
+       error = e.message;
-          />
+     }
-          <button type="submit" class="add-user-submit" disabled={!newUserName.trim()}>+</button>
+   }
-          <button type="button" class="add-user-cancel" onclick={() => { showAddForm = false; newUserName = ''; }}>✕</button>
-        </form>
-      {:else}
-        <button class="add-user-btn" onclick={() => showAddForm = true}>
-          + User
-        </button>
-      {/if}
-    </div>
-  </div>
  
-  {#if error}
+   $effect(() => {
-    <div class="user-error">{error}</div>
+     fetchUsers();
-  {/if}
+   });
-</div>
+ </script>
  
-<style>
+ <div class="user-manager mode-{mode}">
-  .user-manager {
+   {#if mode === 'selector'}
-    margin-bottom: 16px;
+     <div class="user-bar">
-  }
+       <div class="user-chips">
+         {#each users as user}
+           <!-- svelte-ignore node_invalid_placement_ssr -->
+           <div
+             class="user-chip {selectedUserId === user.id ? 'selected' : ''}"
+             onclick={() => selectedUserId = user.id}
+             role="button"
+             tabindex="0"
+             onkeydown={(e) => { if (e.key === 'Enter') selectedUserId = user.id; }}
+           >
+             <span class="user-name">{user.name}</span>
+           </div>
+         {/each}
+       </div>
+     </div>
+   {:else}
+     <!-- Manager Mode -->
+     <header class="manager-header">
+       <h1 class="text-xl font-bold text-text-primary">User Management</h1>
+       <button class="add-user-btn-large" onclick={() => showAddForm = true}>
+         + New User
+       </button>
+     </header>
  
-  .user-bar {
+     {#if showAddForm}
-    display: flex;
+       <div class="modal-overlay">
-    align-items: center;
+         <form class="add-user-modal" onsubmit={(e) => { e.preventDefault(); handleAddUser(); }}>
-    gap: 8px;
+           <h3 class="text-lg font-semibold">Add User</h3>
-  }
+           <!-- svelte-ignore a11y_autofocus -->
+           <input
+             type="text"
+             bind:value={newUserName}
+             placeholder="Name..."
+             class="modal-input"
+             autofocus
+           />
+           <div class="modal-actions">
+             <button type="button" class="btn-secondary" onclick={() => { showAddForm = false; newUserName = ''; }}>Cancel</button>
+             <button type="submit" class="btn-primary" disabled={!newUserName.trim()}>Add User</button>
+           </div>
+         </form>
+       </div>
+     {/if}
  
-  .user-chips {
+     <div class="user-list">
-    display: flex;
+       {#each users as user}
-    flex-wrap: wrap;
+         <div class="user-item">
-    gap: 6px;
+           {#if editingUserId === user.id}
-    align-items: center;
+             <form class="edit-row" onsubmit={(e) => { e.preventDefault(); handleUpdateUser(); }}>
-  }
+               <!-- svelte-ignore a11y_autofocus -->
+               <input type="text" bind:value={editName} class="edit-input" autofocus />
+               <div class="edit-actions">
+                 <button type="submit" class="save-btn" title="Save">✓</button>
+                 <button type="button" class="cancel-btn" onclick={() => editingUserId = null} title="Cancel">✕</button>
+               </div>
+             </form>
+           {:else}
+             <div class="user-info">
+               <span class="user-name-large">{user.name}</span>
+               <span class="user-id">ID: {user.id}</span>
+             </div>
+             <div class="user-actions">
+               <button class="action-btn" onclick={() => startEditing(user)} title="Rename">✏️</button>
+               {#if confirmDeleteId === user.id}
+                 <button class="action-btn danger" onclick={() => handleRemoveUser(user.id)}>Delete!</button>
+                 <button class="action-btn" onclick={() => confirmDeleteId = null}>Cancel</button>
+               {:else}
+                 <button class="action-btn" onclick={() => confirmDeleteId = user.id} title="Delete">🗑️</button>
+               {/if}
+             </div>
+           {/if}
+         </div>
+       {:else}
+         <div class="empty-state">No users found. Create one to get started!</div>
+       {/each}
+     </div>
+   {/if}
  
-  .user-chip {
+   {#if error}
-    display: flex;
+     <div class="user-error">{error}</div>
-    align-items: center;
+   {/if}
-    gap: 6px;
+ </div>
-    padding: 6px 12px;
-    border-radius: 20px;
-    border: 1px solid var(--color-border);
-    background: var(--color-bg-card);
-    color: var(--color-text-secondary);
-    cursor: pointer;
-    font-size: 12px;
-    font-weight: 500;
-    transition: all 0.15s;
-  }
 
-  .user-chip:hover {
+ <style>
-    border-color: var(--color-accent);
+   .user-manager {
-    color: var(--color-text-primary);
+     margin-bottom: 16px;
-  }
+   }
  
-  .user-chip.selected {
+   /* Selector Mode Styles */
-    background: color-mix(in srgb, var(--color-accent) 15%, transparent);
+   .user-bar {
-    border-color: var(--color-accent);
+     display: flex;
-    color: var(--color-accent);
+     align-items: center;
-  }
+     gap: 8px;
+   }
  
-  .user-name {
+   .user-chips {
-    white-space: nowrap;
+     display: flex;
-  }
+     flex-wrap: wrap;
+     gap: 6px;
+     align-items: center;
+   }
  
-  .remove-btn {
+   .user-chip {
-    background: none;
+     display: flex;
-    border: none;
+     align-items: center;
-    color: var(--color-text-secondary);
+     gap: 6px;
-    cursor: pointer;
+     padding: 6px 16px;
-    font-size: 10px;
+     border-radius: 20px;
-    padding: 0 2px;
+     border: 1px solid var(--color-border);
-    opacity: 0.5;
+     background: var(--color-bg-card);
-    transition: opacity 0.15s, color 0.15s;
+     color: var(--color-text-secondary);
-    line-height: 1;
+     cursor: pointer;
-  }
+     font-size: 13px;
+     font-weight: 600;
+     transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
+   }
  
-  .remove-btn:hover {
+   .user-chip:hover {
-    opacity: 1;
+     border-color: var(--color-accent);
-    color: var(--color-danger);
+     color: var(--color-text-primary);
-  }
+     transform: translateY(-1px);
+     box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
+   }
  
-  .confirm-delete {
+   .user-chip.selected {
-    display: flex;
+     background: color-mix(in srgb, var(--color-accent) 20%, transparent);
-    gap: 4px;
+     border-color: var(--color-accent);
-  }
+     color: var(--color-accent);
+     box-shadow: 0 0 0 1px var(--color-accent);
+   }
  
-  .confirm-yes, .confirm-no {
+   /* Manager Mode Styles */
-    background: none;
+   .manager-header {
-    border: none;
+     display: flex;
-    cursor: pointer;
+     justify-content: space-between;
-    font-size: 11px;
+     align-items: center;
-    padding: 0 2px;
+     margin-bottom: 24px;
-    line-height: 1;
+   }
-  }
  
-  .confirm-yes {
+   .add-user-btn-large {
-    color: var(--color-danger);
+     padding: 10px 20px;
-  }
+     border-radius: 12px;
+     background: var(--color-accent);
+     color: white;
+     border: none;
+     font-weight: 600;
+     cursor: pointer;
+     transition: all 0.2s;
+     box-shadow: 0 4px 14px color-mix(in srgb, var(--color-accent) 40%, transparent);
+   }
  
-  .confirm-no {
+   .add-user-btn-large:hover {
-    color: var(--color-text-secondary);
+     filter: brightness(1.1);
-  }
+     transform: translateY(-1px);
+   }
  
-  .add-user-btn {
+   .user-list {
-    padding: 6px 12px;
+     display: grid;
-    border-radius: 20px;
+     gap: 12px;
-    border: 1px dashed var(--color-border);
+   }
-    background: transparent;
-    color: var(--color-text-secondary);
-    cursor: pointer;
-    font-size: 12px;
-    font-weight: 500;
-    transition: all 0.15s;
-  }
  
-  .add-user-btn:hover {
+   .user-item {
-    border-color: var(--color-accent);
+     display: flex;
-    color: var(--color-accent);
+     justify-content: space-between;
-  }
+     align-items: center;
+     padding: 16px 20px;
+     border-radius: 16px;
+     background: var(--color-bg-card);
+     border: 1px solid var(--color-border);
+     transition: all 0.2s;
+   }
  
-  .add-user-form {
+   .user-item:hover {
-    display: flex;
+     border-color: var(--color-accent);
-    align-items: center;
+     background: var(--color-bg-card-hover);
-    gap: 4px;
+   }
-  }
  
-  .add-user-input {
+   .user-info {
-    padding: 5px 10px;
+     display: flex;
-    border-radius: 16px;
+     flex-direction: column;
-    border: 1px solid var(--color-border);
+     gap: 4px;
-    background: var(--color-bg-primary);
+   }
-    color: var(--color-text-primary);
-    font-size: 12px;
-    width: 100px;
-    outline: none;
-  }
  
-  .add-user-input:focus {
+   .user-name-large {
-    border-color: var(--color-accent);
+     font-size: 16px;
-  }
+     font-weight: 600;
+     color: var(--color-text-primary);
+   }
  
-  .add-user-submit {
+   .user-id {
-    background: var(--color-accent);
+     font-size: 11px;
-    color: white;
+     color: var(--color-text-secondary);
-    border: none;
+     font-family: var(--font-mono);
-    border-radius: 50%;
+     text-transform: uppercase;
-    width: 24px;
+     letter-spacing: 0.05em;
-    height: 24px;
+   }
-    font-size: 14px;
-    cursor: pointer;
-    display: flex;
-    align-items: center;
-    justify-content: center;
-    line-height: 1;
-  }
  
-  .add-user-submit:disabled {
+   .user-actions {
-    opacity: 0.4;
+     display: flex;
-    cursor: not-allowed;
+     gap: 8px;
-  }
+   }
  
-  .add-user-cancel {
+   .action-btn {
-    background: none;
+     background: var(--color-bg-primary);
-    border: none;
+     border: 1px solid var(--color-border);
-    color: var(--color-text-secondary);
+     color: var(--color-text-secondary);
-    cursor: pointer;
+     padding: 8px;
-    font-size: 12px;
+     border-radius: 8px;
-  }
+     cursor: pointer;
+     font-size: 14px;
+     transition: all 0.2s;
+   }
  
-  .user-error {
+   .action-btn:hover {
-    margin-top: 8px;
+     border-color: var(--color-accent);
-    padding: 6px 10px;
+     color: var(--color-accent);
-    border-radius: 6px;
+     background: var(--color-bg-card);
-    background: color-mix(in srgb, var(--color-danger) 10%, transparent);
+   }
-    border: 1px solid color-mix(in srgb, var(--color-danger) 20%, transparent);
+ 
-    color: var(--color-danger);
+   .action-btn.danger:hover {
-    font-size: 11px;
+     border-color: var(--color-danger);
-  }
+     color: var(--color-danger);
-</style>
+     background: color-mix(in srgb, var(--color-danger) 10%, transparent);
+   }
+ 
+   /* Modal Styles */
+   .modal-overlay {
+     position: fixed;
+     inset: 0;
+     background: rgba(0, 0, 0, 0.7);
+     backdrop-filter: blur(4px);
+     display: flex;
+     align-items: center;
+     justify-content: center;
+     z-index: 100;
+   }
+ 
+   .add-user-modal {
+     background: var(--color-bg-card);
+     padding: 24px;
+     border-radius: 20px;
+     border: 1px solid var(--color-border);
+     width: 100%;
+     max-width: 400px;
+     display: flex;
+     flex-direction: column;
+     gap: 20px;
+     box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
+   }
+ 
+   .modal-input {
+     padding: 12px 16px;
+     border-radius: 12px;
+     border: 1px solid var(--color-border);
+     background: var(--color-bg-primary);
+     color: var(--color-text-primary);
+     font-size: 14px;
+   }
+ 
+   .modal-actions {
+     display: flex;
+     gap: 12px;
+     justify-content: flex-end;
+   }
+ 
+   /* Edit Inline Row */
+   .edit-row {
+     display: flex;
+     gap: 12px;
+     width: 100%;
+   }
+ 
+   .edit-input {
+     flex: 1;
+     padding: 8px 12px;
+     border-radius: 8px;
+     border: 1px solid var(--color-accent);
+     background: var(--color-bg-primary);
+     color: var(--color-text-primary);
+     outline: none;
+   }
+ 
+   .edit-actions {
+     display: flex;
+     gap: 6px;
+   }
+ 
+   .save-btn, .cancel-btn {
+     padding: 4px 12px;
+     border-radius: 6px;
+     border: 1px solid var(--color-border);
+     cursor: pointer;
+     transition: all 0.2s;
+   }
+ 
+   .save-btn {
+     background: var(--color-success);
+     color: white;
+     border-color: var(--color-success);
+   }
+ 
+   .cancel-btn {
+     background: var(--color-bg-primary);
+     color: var(--color-text-secondary);
+   }
+ 
+   /* Common UI items */
+   .btn-primary {
+     padding: 8px 16px;
+     border-radius: 8px;
+     background: var(--color-accent);
+     color: white;
+     border: none;
+     font-weight: 600;
+     cursor: pointer;
+   }
+ 
+   .btn-secondary {
+     padding: 8px 16px;
+     border-radius: 8px;
+     background: var(--color-bg-primary);
+     color: var(--color-text-secondary);
+     border: 1px solid var(--color-border);
+     cursor: pointer;
+   }
+ 
+   .btn-primary:disabled {
+     opacity: 0.5;
+     cursor: not-allowed;
+   }
+ 
+   .user-error {
+     margin-top: 16px;
+     padding: 12px;
+     border-radius: 12px;
+     background: color-mix(in srgb, var(--color-danger) 10%, transparent);
+     border: 1px solid color-mix(in srgb, var(--color-danger) 20%, transparent);
+     color: var(--color-danger);
+     font-size: 13px;
+     text-align: center;
+   }
+ 
+   .empty-state {
+     text-align: center;
+     padding: 48px;
+     background: var(--color-bg-card);
+     border: 1px dashed var(--color-border);
+     border-radius: 16px;
+     color: var(--color-text-secondary);
+   }
+ </style>

Provider/frontend/src/lib/api.js

@@ -163,6 +163,25 @@ export async function removeUser(id) {
     return res.json();
 }
 
+/**
+ * Update a user's name.
+ * @param {number} id
+ * @param {string} name
+ * @returns {Promise<{status: string}>}
+ */
+export async function updateUser(id, name) {
+    const res = await fetch(`${API_BASE}/api/users/update`, {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ id, name })
+    });
+    if (!res.ok) {
+        const errorText = await res.text();
+        throw new Error(`Failed (${res.status}): ${errorText || res.statusText}`);
+    }
+    return res.json();
+}
+
 // ─── Task Management ─────────────────────────────────────────────────────────
 
 /**

Provider/frontend/version.json

@@ -1,5 +1,5 @@
 {
   "major": 0,
   "minor": 1,
-  "revision": 4
+  "revision": 13
 }

Provider/main/api/tasks/store.cpp

@@ -6,7 +6,7 @@
 #include "api/users/store.hpp"
 
 // Find a task by ID, returns nullptr if not found
-internal task_t *find_task(uint16 id)
+task_t *find_task(uint16 id)
 {
   for (int i = 0; i < MAX_TASKS; i++)
   {
@@ -19,7 +19,7 @@ internal task_t *find_task(uint16 id)
 }
 
 // Add a task, returns pointer to new task or nullptr if full
-internal task_t *add_task(uint8 user_id, const char *title, int64 due_date)
+task_t *add_task(uint8 user_id, const char *title, int64 due_date)
 {
   // Verify user exists
   if (find_user(user_id) == nullptr)
@@ -44,7 +44,7 @@ internal task_t *add_task(uint8 user_id, const char *title, int64 due_date)
 }
 
 // Remove a task by ID, returns true if found and removed
-internal bool remove_task(uint16 id)
+bool remove_task(uint16 id)
 {
   for (int i = 0; i < MAX_TASKS; i++)
   {
@@ -59,7 +59,7 @@ internal bool remove_task(uint16 id)
 }
 
 // Remove all tasks belonging to a user
-internal void remove_tasks_for_user(uint8 user_id)
+void remove_tasks_for_user(uint8 user_id)
 {
   for (int i = 0; i < MAX_TASKS; i++)
   {
@@ -73,7 +73,7 @@ internal void remove_tasks_for_user(uint8 user_id)
 
 // Simple insertion sort for small arrays — sort task pointers by due_date
 // ascending
-internal void sort_tasks_by_due_date(task_t **arr, int count)
+void sort_tasks_by_due_date(task_t **arr, int count)
 {
   for (int i = 1; i < count; i++)
   {
@@ -90,7 +90,7 @@ internal void sort_tasks_by_due_date(task_t **arr, int count)
 
 // Populate dummy tasks on boot for development iteration.
 // Uses relative offsets from current time so due dates always make sense.
-internal void seed_tasks()
+void seed_tasks()
 {
   int64 now = (int64)(esp_timer_get_time() / 1000000);
 

Provider/main/api/tasks/store.hpp

@@ -4,9 +4,9 @@
 #include "types.hpp"
 
 // Data store operations for tasks
-internal task_t *find_task(uint16 id);
+task_t *find_task(uint16 id);
-internal task_t *add_task(uint8 user_id, const char *title, int64 due_date);
+task_t *add_task(uint8 user_id, const char *title, int64 due_date);
-internal bool remove_task(uint16 id);
+bool remove_task(uint16 id);
-internal void remove_tasks_for_user(uint8 user_id);
+void remove_tasks_for_user(uint8 user_id);
-internal void sort_tasks_by_due_date(task_t **arr, int count);
+void sort_tasks_by_due_date(task_t **arr, int count);
-internal void seed_tasks();
+void seed_tasks();

Provider/main/api/users/store.cpp

@@ -3,7 +3,7 @@
 #include "api/users/store.hpp"
 
 // Find a user by ID, returns nullptr if not found
-internal user_t *find_user(uint8 id)
+user_t *find_user(uint8 id)
 {
   for (int i = 0; i < MAX_USERS; i++)
   {
@@ -16,7 +16,7 @@ internal user_t *find_user(uint8 id)
 }
 
 // Add a user, returns pointer to new user or nullptr if full
-internal user_t *add_user(const char *name)
+user_t *add_user(const char *name)
 {
   for (int i = 0; i < MAX_USERS; i++)
   {
@@ -32,7 +32,7 @@ internal user_t *add_user(const char *name)
 }
 
 // Remove a user by ID, returns true if found and removed
-internal bool remove_user(uint8 id)
+bool remove_user(uint8 id)
 {
   for (int i = 0; i < MAX_USERS; i++)
   {
@@ -47,8 +47,19 @@ internal bool remove_user(uint8 id)
   return false;
 }
 
+// Update a user's name, returns pointer to user or nullptr if not found
+user_t *update_user(uint8 id, const char *name)
+{
+  user_t *user = find_user(id);
+  if (user)
+  {
+    strlcpy(user->name, name, sizeof(user->name));
+  }
+  return user;
+}
+
 // Populate dummy users on boot for development iteration
-internal void seed_users()
+void seed_users()
 {
   add_user("Alice");
   add_user("Bob");

Provider/main/api/users/store.hpp

@@ -3,9 +3,9 @@
 #include "types.hpp"
 #include "user.hpp"
 
-
 // Data store operations for users
-internal user_t *find_user(uint8 id);
+user_t *find_user(uint8 id);
-internal user_t *add_user(const char *name);
+user_t *add_user(const char *name);
-internal bool remove_user(uint8 id);
+bool remove_user(uint8 id);
-internal void seed_users();
+user_t *update_user(uint8 id, const char *name);
+void seed_users();

Provider/main/api/users/unity.cpp

@@ -3,4 +3,5 @@
 #include "api/users/list.cpp"
 #include "api/users/add.cpp"
 #include "api/users/remove.cpp"
+#include "api/users/update.cpp"
 // clang-format on

Provider/main/api/users/update.cpp

@@ -0,0 +1,68 @@
+// POST /api/users/update — Update an existing user's name
+// Body: {"id": 1, "name": "Bob"}
+
+#include "cJSON.h"
+#include "esp_http_server.h"
+
+#include "api/users/store.hpp"
+#include "types.hpp"
+#include "user.hpp"
+
+internal esp_err_t api_users_update_handler(httpd_req_t *req)
+{
+  httpd_resp_set_type(req, "application/json");
+  httpd_resp_set_hdr(req, "Access-Control-Allow-Origin", "*");
+
+  char buf[128];
+  int received = httpd_req_recv(req, buf, sizeof(buf) - 1);
+  if (received <= 0)
+  {
+    httpd_resp_send_err(req, HTTPD_400_BAD_REQUEST, "Empty body");
+    return ESP_FAIL;
+  }
+  buf[received] = '\0';
+
+  cJSON *body = cJSON_Parse(buf);
+  if (!body)
+  {
+    httpd_resp_send_err(req, HTTPD_400_BAD_REQUEST, "Invalid JSON");
+    return ESP_FAIL;
+  }
+
+  cJSON *id_item = cJSON_GetObjectItem(body, "id");
+  cJSON *name_item = cJSON_GetObjectItem(body, "name");
+
+  if (!cJSON_IsNumber(id_item) || !cJSON_IsString(name_item) ||
+      strlen(name_item->valuestring) == 0)
+  {
+    cJSON_Delete(body);
+    httpd_resp_send_err(req, HTTPD_400_BAD_REQUEST, "Missing 'id' or 'name'");
+    return ESP_FAIL;
+  }
+
+  user_t *user = update_user((uint8)id_item->valueint, name_item->valuestring);
+  cJSON_Delete(body);
+
+  if (!user)
+  {
+    httpd_resp_send_err(req, HTTPD_404_NOT_FOUND, "User not found");
+    return ESP_FAIL;
+  }
+
+  cJSON *resp = cJSON_CreateObject();
+  cJSON_AddStringToObject(resp, "status", "ok");
+
+  const char *json = cJSON_PrintUnformatted(resp);
+  httpd_resp_sendstr(req, json);
+
+  free((void *)json);
+  cJSON_Delete(resp);
+
+  return ESP_OK;
+}
+
+internal const httpd_uri_t api_users_update_uri = {.uri = "/api/users/update",
+                                                   .method = HTTP_POST,
+                                                   .handler =
+                                                       api_users_update_handler,
+                                                   .user_ctx = NULL};

Provider/main/appstate.hpp

@@ -2,7 +2,7 @@
 
 #include "types.hpp"
 
-// Shared Application State (Unity Build)
+// Shared Application State
-internal bool g_Ethernet_Initialized = false;
+extern bool g_Ethernet_Initialized;
-internal bool g_Wifi_Initialized = false;
+extern bool g_Wifi_Initialized;
-internal uint8_t g_Active_WWW_Partition = 0;
+extern uint8_t g_Active_WWW_Partition;

Provider/main/http_server.cpp

@@ -186,6 +186,7 @@ internal httpd_handle_t start_webserver(void)
   esp_vfs_littlefs_conf_t conf = {};
   conf.base_path = "/www";
   conf.partition_label = g_Active_WWW_Partition == 0 ? "www_0" : "www_1";
+  ESP_LOGI(TAG, "Mounting LittleFS partition: %s", conf.partition_label);
   conf.format_if_mount_failed = false;
   conf.dont_mount = false;
   esp_err_t ret = esp_vfs_littlefs_register(&conf);
@@ -244,6 +245,7 @@ internal httpd_handle_t start_webserver(void)
     // Register todo list API routes
     httpd_register_uri_handler(server, &api_users_get_uri);
     httpd_register_uri_handler(server, &api_users_post_uri);
+    httpd_register_uri_handler(server, &api_users_update_uri);
     httpd_register_uri_handler(server, &api_users_delete_uri);
     httpd_register_uri_handler(server, &api_tasks_upcoming_uri);
     httpd_register_uri_handler(server, &api_tasks_get_uri);
@@ -272,14 +274,13 @@ internal httpd_handle_t start_webserver(void)
   return NULL;
 }
 
-internal void stop_webserver(httpd_handle_t server)
+internal void stop_webserver(httpd_handle_t server, uint8_t partition_index)
 {
   if (server)
   {
     httpd_stop(server);
 #ifdef CONFIG_CALENDINK_DEPLOY_WEB_PAGES
-    esp_vfs_littlefs_unregister(g_Active_WWW_Partition == 0 ? "www_0"
+    esp_vfs_littlefs_unregister(partition_index == 0 ? "www_0" : "www_1");
-                                                            : "www_1");
 #endif
   }
 }

Provider/main/main.cpp

@@ -1,5 +1,6 @@
 // STD Lib
 #include <stdio.h>
+#include <string.h>
 
 // SDK
 #include "esp_log.h"
@@ -23,7 +24,12 @@
 #include "http_server.cpp"
 // clang-format on
 
-internal constexpr bool kBlockUntilEthernetEstablished = false;
+// Global Application State Definitions
+bool g_Ethernet_Initialized = false;
+bool g_Wifi_Initialized = false;
+uint8_t g_Active_WWW_Partition = 0;
+
+constexpr bool kBlockUntilEthernetEstablished = false;
 
 extern "C" void app_main()
 {
@@ -46,6 +52,10 @@ extern "C" void app_main()
   {
     // Read active www partition from NVS
     err = nvs_get_u8(my_handle, "www_part", &g_Active_WWW_Partition);
+    if (err == ESP_OK)
+    {
+      printf("NVS: Found active www partition: %d\n", g_Active_WWW_Partition);
+    }
 
     if (err == ESP_ERR_NVS_NOT_FOUND)
     {
@@ -74,6 +84,76 @@ extern "C" void app_main()
     printf("Error opening NVS handle!\n");
   }
 
+  // Detect if this is the first boot after a new flash (Firmware or Frontend)
+  bool is_new_flash = false;
+  if (nvs_open("storage", NVS_READWRITE, &my_handle) == ESP_OK)
+  {
+    // 1. Check Firmware Compile Time
+    char last_time[64] = {0};
+    size_t time_size = sizeof(last_time);
+    const char *current_time = __DATE__ " " __TIME__;
+    if (nvs_get_str(my_handle, "last_fw_time", last_time, &time_size) !=
+            ESP_OK ||
+        strcmp(last_time, current_time) != 0)
+    {
+      printf("New firmware detected! (Last: %s, Current: %s)\n",
+             last_time[0] ? last_time : "None", current_time);
+      is_new_flash = true;
+      nvs_set_str(my_handle, "last_fw_time", current_time);
+    }
+
+    // 2. Check Frontend Partition Fingerprint (www_0)
+    const esp_partition_t *www0_p = esp_partition_find_first(
+        ESP_PARTITION_TYPE_DATA, ESP_PARTITION_SUBTYPE_DATA_LITTLEFS, "www_0");
+    if (www0_p)
+    {
+      uint8_t current_sha[32];
+      if (esp_partition_get_sha256(www0_p, current_sha) == ESP_OK)
+      {
+        uint8_t last_sha[32] = {0};
+        size_t sha_size = sizeof(last_sha);
+        if (nvs_get_blob(my_handle, "www0_sha", last_sha, &sha_size) !=
+                ESP_OK ||
+            memcmp(last_sha, current_sha, 32) != 0)
+        {
+          printf("New frontend partition detected via SHA256!\n");
+          is_new_flash = true;
+          nvs_set_blob(my_handle, "www0_sha", current_sha, 32);
+        }
+      }
+    }
+
+    if (is_new_flash)
+    {
+      nvs_commit(my_handle);
+    }
+    nvs_close(my_handle);
+  }
+
+  // If we are running from FACTORY and a new flash was detected, override to
+  // www_0
+  {
+    const esp_partition_t *running = esp_ota_get_running_partition();
+    if (running != NULL &&
+        running->subtype == ESP_PARTITION_SUBTYPE_APP_FACTORY)
+    {
+      if (is_new_flash && g_Active_WWW_Partition != 0)
+      {
+        printf("FACTORY APP + NEW FLASH: Overriding www_part to 0 (was %d)\n",
+               g_Active_WWW_Partition);
+        g_Active_WWW_Partition = 0;
+
+        // Persist the override
+        if (nvs_open("storage", NVS_READWRITE, &my_handle) == ESP_OK)
+        {
+          nvs_set_u8(my_handle, "www_part", 0);
+          nvs_commit(my_handle);
+          nvs_close(my_handle);
+        }
+      }
+    }
+  }
+
   ESP_ERROR_CHECK(esp_event_loop_create_default());
 
   setup_led();
@@ -168,6 +248,9 @@ extern "C" void app_main()
 
   printf("Connected!\n");
 
+  // Start the webserver
+  web_server = start_webserver();
+
   // Mark the current app as valid to cancel rollback, only if it's an OTA app
   {
     const esp_partition_t *running = esp_ota_get_running_partition();
@@ -179,9 +262,6 @@ extern "C" void app_main()
     }
   }
 
-  // Start the webserver
-  web_server = start_webserver();
-
   // Keep the main task alive indefinitely
   while (true)
   {
@@ -193,7 +273,7 @@ shutdown:
 
   if (web_server)
   {
-    stop_webserver(web_server);
+    stop_webserver(web_server, g_Active_WWW_Partition);
     web_server = NULL;
   }