feat: 新增交易项、交易表单和交易详情模态框组件，并为交易项添加滑动操作。

src/components/transaction/TransactionForm/TransactionForm.tsx

@@ -69,6 +69,16 @@ export const TransactionForm: React.FC<TransactionFormProps> = ({
   // Current step (1, 2, or 3)
   const [currentStep, setCurrentStep] = useState(1);
 
+
+  // Helpers
+  const toLocalISOString = (date: Date) => {
+    const pad = (n: number) => n.toString().padStart(2, '0');
+    return `${date.getFullYear()}-${pad(date.getMonth() + 1)}-${pad(date.getDate())}T${pad(date.getHours())}:${pad(date.getMinutes())}`;
+  };
+
+  const selectedAccount = accounts.find((a) => a.id === formData.accountId);
+  const selectedCategory = categories.find((c) => c.id === formData.categoryId);
+
   // Form State
   const [formData, setFormData] = useState<TransactionFormInput>({
     amount: 0,
@@ -77,18 +87,18 @@ export const TransactionForm: React.FC<TransactionFormProps> = ({
     categoryId: 0,
     accountId: 0,
     // Initialize with current local time for datetime-local input
+    // If initialData is provided (RFC3339), convert to local time string
     transactionDate: initialData?.transactionDate
-      ? (initialData.transactionDate.includes('T') ? initialData.transactionDate.substring(0, 16) : initialData.transactionDate)
-      : (() => {
-        const now = new Date();
-        const pad = (n: number) => n.toString().padStart(2, '0');
-        return `${now.getFullYear()}-${pad(now.getMonth() + 1)}-${pad(now.getDate())}T${pad(now.getHours())}:${pad(now.getMinutes())}`;
-      })(),
+      ? toLocalISOString(new Date(initialData.transactionDate))
+      : toLocalISOString(new Date()),
     note: '',
     tagIds: [],
     ...initialData,
   });
 
+  // Local state for Amount input to allow typing decimals (e.g. "12.")
+  const [amountStr, setAmountStr] = useState<string>(initialData?.amount?.toString() || '');
+
   // Data State
   const [accounts, setAccounts] = useState<Account[]>([]);
   const [categories, setCategories] = useState<Category[]>([]);
@@ -127,124 +137,26 @@ export const TransactionForm: React.FC<TransactionFormProps> = ({
   };
 
   const handleAmountChange = (e: React.ChangeEvent<HTMLInputElement>) => {
-    // Basic number input handling
     const val = e.target.value;
-    // Allow empty string or ending with decimal
-    if (val === '' || /^\d*\.?\d*$/.test(val)) {
-      // We might store it as string locally if we want perfect input, but TransactionFormInput expects number.
-      // For simplicity, we parse float immediately but this prevents typing "1." comfortably.
-      // Let's rely on type="number" behavior of input if possible or assume user types clean numbers.
-      // Or better: update state properly. 
-      // The original broken code used `value={formData.amount || ''}` and `inputMode="decimal"`.
-      // Let's do simple float parsing.
-      setFormData((prev) => ({ ...prev, amount: parseFloat(val) || 0 }));
-      if (errors.amount) setErrors((prev) => ({ ...prev, amount: '' }));
-    }
-  };
 
-  const handleCategoryChange = (categoryId: number | undefined) => {
-    setFormData((prev) => ({ ...prev, categoryId: categoryId || 0 }));
-    if (errors.categoryId) setErrors((prev) => ({ ...prev, categoryId: '' }));
-  };
+    // Update display value immediately
+    setAmountStr(val);
 
-  const handleAccountChange = (accountId: number) => {
-    setFormData((prev) => ({ ...prev, accountId }));
-    if (errors.accountId) setErrors((prev) => ({ ...prev, accountId: '' }));
-  };
-
-  const handleDateChange = (e: React.ChangeEvent<HTMLInputElement>) => {
-    setFormData((prev) => ({ ...prev, transactionDate: e.target.value }));
-  };
-
-  const handleNoteChange = (e: React.ChangeEvent<HTMLTextAreaElement>) => {
-    setFormData((prev) => ({ ...prev, note: e.target.value }));
-  };
-
-  const handleTagsChange = (tagIds: number[]) => {
-    setFormData((prev) => ({ ...prev, tagIds }));
-  };
-
-  // Navigation
-  const handleNextStep = useCallback(() => {
-    if (currentStep === 1) {
-      // Validate Step 1
-      if (!formData.amount || formData.amount <= 0) {
-        setErrors(prev => ({ ...prev, amount: '请输入有效金额' }));
+    // Parse and update form data if valid number
+    // Allow empty string to just clear form data
+    if (val === '') {
+      setFormData((prev) => ({ ...prev, amount: 0 }));
       return;
     }
 
-      // Smart Skip
-      if (smartSkipConfirmedSteps && formData.categoryId && formData.accountId) {
-        setCurrentStep(3);
-      } else {
-        setCurrentStep(2);
+    if (/^\d*\.?\d*$/.test(val)) {
+      const parsed = parseFloat(val);
+      if (!isNaN(parsed)) {
+        setFormData((prev) => ({ ...prev, amount: parsed }));
+        if (errors.amount) setErrors((prev) => ({ ...prev, amount: '' }));
       }
-    } else if (currentStep === 2) {
-      // Validate Step 2
-      let isValid = true;
-      const newErrors = { ...errors };
-      if (!formData.categoryId) { newErrors.categoryId = '请选择分类'; isValid = false; }
-      if (!formData.accountId) { newErrors.accountId = '请选择账户'; isValid = false; }
-      setErrors(newErrors);
-
-      if (isValid) setCurrentStep(3);
-    }
-  }, [currentStep, formData, smartSkipConfirmedSteps, errors]);
-
-  const handlePrevStep = () => {
-    if (currentStep > 1) {
-      setCurrentStep(currentStep - 1);
     }
   };
-
-  const handleSubmit = useCallback(() => {
-    if (!formData.amount) return;
-    if (!formData.categoryId) return;
-    if (!formData.accountId) return;
-
-    // Convert local datetime-local string to proper ISO string for backend
-    // datetime-local value format: YYYY-MM-DDTHH:mm
-    // new Date(val).toISOString() will give UTC time which backend accepts
-    let submitDate = formData.transactionDate;
-    try {
-      const dateObj = new Date(formData.transactionDate);
-      if (!isNaN(dateObj.getTime())) {
-        submitDate = dateObj.toISOString();
-      } else {
-        // Fallback for date-only strings if any legacy data
-        submitDate = new Date(formData.transactionDate + 'T00:00:00').toISOString();
-      }
-    } catch (e) {
-      console.warn('Date conversion error', e);
-    }
-
-    const payload = {
-      ...formData,
-      transactionDate: submitDate
-    };
-
-    onSubmit(payload);
-  }, [formData, onSubmit]);
-
-  const handleKeyDown = useCallback(
-    (e: React.KeyboardEvent) => {
-      if (e.key === 'Enter' && !e.shiftKey) {
-        e.preventDefault();
-        if (currentStep < 3) {
-          handleNextStep();
-        } else {
-          handleSubmit();
-        }
-      }
-    },
-    [currentStep, handleNextStep, handleSubmit]
-  );
-
-  // Helpers
-  const selectedAccount = accounts.find((a) => a.id === formData.accountId);
-  const selectedCategory = categories.find((c) => c.id === formData.categoryId);
-
-  // Render Functions
   const renderStepIndicator = () => (
     <div className="transaction-form__steps">
       {[1, 2, 3].map((step) => (
@@ -298,7 +210,7 @@ export const TransactionForm: React.FC<TransactionFormProps> = ({
           type="number" // Changed to number for simpler handling
           inputMode="decimal"
           className={`transaction-form__amount-input ${errors.amount ? 'transaction-form__amount-input--error' : ''}`}
-          value={formData.amount || ''}
+          value={amountStr}
           onChange={handleAmountChange}
           onKeyDown={handleKeyDown}
           placeholder="0.00"

src/components/transaction/TransactionItem/TransactionItem.tsx

@@ -68,11 +68,8 @@ const TransactionItem = React.memo<TransactionItemProps>(({
     }
   };
 
-  // 格式化时间
-  const formatTime = (dateString: string, timeString?: string): string => {
-    if (timeString) {
-      return timeString.slice(0, 5);
-    }
+  // 格式化时间 - Now always derive from transactionDate (DATETIME)
+  const formatTime = (dateString: string): string => {
     const date = new Date(dateString);
     return date.toLocaleTimeString('zh-CN', { hour: '2-digit', minute: '2-digit' });
   };
@@ -148,7 +145,7 @@ const TransactionItem = React.memo<TransactionItemProps>(({
             {showDate && (
               <div className="transaction-item-meta">
                 <span className="transaction-item-date">{formatDate(transaction.transactionDate)}</span>
-                {transaction.transactionTime && <span className="transaction-item-time">{formatTime(transaction.transactionDate, transaction.transactionTime)}</span>}
+                <span className="transaction-item-time">{formatTime(transaction.transactionDate)}</span>
               </div>
             )}
           </div>
@@ -232,11 +229,9 @@ const TransactionItem = React.memo<TransactionItemProps>(({
               <span className="transaction-item-date">
                 {formatDate(transaction.transactionDate)}
               </span>
-              {transaction.transactionTime && (
               <span className="transaction-item-time">
-                  {formatTime(transaction.transactionDate, transaction.transactionTime)}
+                {formatTime(transaction.transactionDate)}
               </span>
-              )}
             </div>
           )}
         </div>

src/components/transaction/TransactionReceiptModal/TransactionReceiptModal.tsx

@@ -37,9 +37,7 @@ export const TransactionReceiptModal: React.FC<TransactionReceiptModalProps> = (
         day: 'numeric',
         weekday: 'long',
     });
-    const formattedTime = transaction.transactionTime
-        ? transaction.transactionTime.slice(0, 5)
-        : dateObj.toLocaleTimeString('zh-CN', { hour: '2-digit', minute: '2-digit' });
+    const formattedTime = dateObj.toLocaleTimeString('zh-CN', { hour: '2-digit', minute: '2-digit' });
 
     return (
         <div className="receipt-modal-overlay" onClick={onClose}>

src/types/index.ts

@@ -112,7 +112,7 @@ export interface Transaction {
   // New fields for accounting-feature-upgrade
   ledgerId?: number;
   ledger?: Ledger;
-  transactionTime?: string;
+  /** @deprecated Time is now stored in transactionDate (DATETIME). Kept for backward compatibility. */\r\n  transactionTime ?: string;
 // Reimbursement related fields
 reimbursementStatus: ReimbursementStatus;
 reimbursementAmount ?: number;