hotfix(dc/tool-c): Fix compute formula validation and binning NaN serialization

Critical fixes:
1. Compute column: Add Chinese comma support in formula validation
   - Problem: Formula with Chinese comma failed validation
   - Fix: Add Chinese comma character to allowed_chars regex
   - Example: Support formulas like 'col1（kg）+ col2，col3'

2. Binning operation: Fix NaN serialization error
   - Problem: 'Out of range float values are not JSON compliant: nan'
   - Fix: Enhanced NaN/inf handling in binning endpoint
   - Added np.inf/-np.inf replacement before JSON serialization
   - Added manual JSON serialization with NaN->null conversion

3. Enhanced all operation endpoints for consistency
   - Updated conditional, dropna endpoints with same NaN/inf handling
   - Ensures all operations return JSON-compliant data

Modified files:
- extraction_service/operations/compute.py: Add Chinese comma to regex
- extraction_service/main.py: Enhanced NaN handling in binning/conditional/dropna

Status: Hotfix complete, ready for testing

frontend-v2/src/modules/asl/components/FulltextDetailDrawer.tsx

@@ -517,3 +517,4 @@ export default FulltextDetailDrawer;
 
 
 
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frontend-v2/src/modules/asl/hooks/useFulltextResults.ts

@@ -116,3 +116,4 @@ export function useFulltextResults({
 
 
 
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frontend-v2/src/modules/asl/hooks/useFulltextTask.ts

@@ -79,3 +79,4 @@ export function useFulltextTask({
 
 
 
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frontend-v2/src/modules/asl/pages/FulltextResults.tsx

@@ -470,3 +470,4 @@ export default FulltextResults;
 
 
 
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frontend-v2/src/modules/dc/hooks/useAssets.ts

@@ -110,3 +110,4 @@ export const useAssets = (activeTab: AssetTabType) => {
 
 
 
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frontend-v2/src/modules/dc/hooks/useRecentTasks.ts

@@ -100,3 +100,4 @@ export const useRecentTasks = () => {
 
 
 
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frontend-v2/src/modules/dc/pages/tool-c/components/BinningDialog_improved.tsx

@@ -336,3 +336,4 @@ const BinningDialog: React.FC<BinningDialogProps> = ({
 export default BinningDialog;
 
 
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frontend-v2/src/modules/dc/pages/tool-c/components/DropnaDialog.tsx

@@ -299,3 +299,4 @@ const DropnaDialog: React.FC<Props> = ({
 export default DropnaDialog;
 
 
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frontend-v2/src/modules/dc/pages/tool-c/components/PivotDialog.tsx

@@ -261,3 +261,4 @@ const PivotDialog: React.FC<Props> = ({
 export default PivotDialog;
 
 
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frontend-v2/src/modules/dc/pages/tool-c/types/index.ts

@@ -62,3 +62,4 @@ export interface DataStats {
 
 
 
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frontend-v2/src/modules/dc/types/portal.ts

@@ -58,3 +58,4 @@ export type AssetTabType = 'all' | 'processed' | 'raw';
 
 
 
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frontend-v2/src/shared/components/index.ts

@@ -13,3 +13,4 @@ export { default as Placeholder } from './Placeholder';
 
 
 
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