feat(frontend): added CNB API and moved management into a new tab

7project/frontend/src/pages/ManualManagement.tsx

@@ -0,0 +1,79 @@
+import { useState } from 'react';
+import { type Category, type Transaction, createTransaction, createCategory } from '../api';
+
+export default function ManualManagement({
+  categories,
+  onTransactionAdded,
+  onCategoryCreated,
+}: {
+  categories: Category[];
+  onTransactionAdded: (t: Transaction) => void;
+  onCategoryCreated: (c: Category) => void;
+}) {
+  // New transaction form state
+  const [amount, setAmount] = useState<string>('');
+  const [description, setDescription] = useState('');
+  const [selectedCategoryId, setSelectedCategoryId] = useState<number | ''>('');
+  const [txDate, setTxDate] = useState<string>('');
+
+  // Category creation form
+  const [newCatName, setNewCatName] = useState('');
+  const [newCatDesc, setNewCatDesc] = useState('');
+
+  async function handleCreate(e: React.FormEvent) {
+    e.preventDefault();
+    if (!amount) return;
+    const payload = {
+      amount: Number(amount),
+      description: description || undefined,
+      category_ids: selectedCategoryId !== '' ? [Number(selectedCategoryId)] : undefined,
+      date: txDate || undefined,
+    };
+    try {
+      const created = await createTransaction(payload);
+      onTransactionAdded(created);
+      setAmount(''); setDescription(''); setSelectedCategoryId(''); setTxDate('');
+    } catch (err: any) {
+      alert(err?.message || 'Failed to create transaction');
+    }
+  }
+
+  async function handleCreateCategory(e: React.FormEvent) {
+    e.preventDefault();
+    if (!newCatName.trim()) return;
+    try {
+      const cat = await createCategory({ name: newCatName.trim(), description: newCatDesc || undefined });
+      onCategoryCreated(cat);
+      setNewCatName(''); setNewCatDesc('');
+    } catch (err: any) {
+      alert(err?.message || 'Failed to create category');
+    }
+  }
+
+  return (
+    <>
+      <section className="card">
+        <h3>Add Transaction</h3>
+        <form onSubmit={handleCreate} className="form-row">
+          <input className="input" type="number" step="0.01" placeholder="Amount" value={amount} onChange={(e) => setAmount(e.target.value)} required />
+          <input className="input" type="date" placeholder="Date (optional)" value={txDate} onChange={(e) => setTxDate(e.target.value)} />
+          <input className="input" type="text" placeholder="Description (optional)" value={description} onChange={(e) => setDescription(e.target.value)} />
+          <select className="input" value={selectedCategoryId} onChange={(e) => setSelectedCategoryId(e.target.value ? Number(e.target.value) : '')}>
+            <option value="">No category</option>
+            {categories.map(c => (<option key={c.id} value={c.id}>{c.name}</option>))}
+          </select>
+          <button className="btn primary" type="submit">Add</button>
+        </form>
+      </section>
+
+      <section className="card">
+        <h3>Categories</h3>
+        <form className="form-row" onSubmit={handleCreateCategory}>
+          <input className="input" type="text" placeholder="New category name" value={newCatName} onChange={(e) => setNewCatName(e.target.value)} />
+          <input className="input" type="text" placeholder="Description (optional)" value={newCatDesc} onChange={(e) => setNewCatDesc(e.target.value)} />
+          <button className="btn primary" type="submit">Create category</button>
+        </form>
+      </section>
+    </>
+  );
+}