diff --git a/web/app/components/rag-pipeline/components/chunk-card-list/types.ts b/web/app/components/rag-pipeline/components/chunk-card-list/types.ts
index 6117855b3b..b1213917e4 100644
--- a/web/app/components/rag-pipeline/components/chunk-card-list/types.ts
+++ b/web/app/components/rag-pipeline/components/chunk-card-list/types.ts
@@ -26,7 +26,8 @@ export type QAChunks = {
 
 export type ChunkInfo = GeneralChunks | ParentChildChunks | QAChunks
 
-export enum QAItemType {
-  Question = 'question',
-  Answer = 'answer',
-}
+export const QAItemType = {
+  Question: 'question',
+  Answer: 'answer',
+} as const
+export type QAItemType = typeof QAItemType[keyof typeof QAItemType]
diff --git a/web/app/components/rag-pipeline/components/panel/test-run/types.ts b/web/app/components/rag-pipeline/components/panel/test-run/types.ts
index ac5ca3ced2..d129487fe1 100644
--- a/web/app/components/rag-pipeline/components/panel/test-run/types.ts
+++ b/web/app/components/rag-pipeline/components/panel/test-run/types.ts
@@ -1,9 +1,10 @@
 import type { DataSourceNodeType } from '@/app/components/workflow/nodes/data-source/types'
 
-export enum TestRunStep {
-  dataSource = 'dataSource',
-  documentProcessing = 'documentProcessing',
-}
+export const TestRunStep = {
+  dataSource: 'dataSource',
+  documentProcessing: 'documentProcessing',
+} as const
+export type TestRunStep = typeof TestRunStep[keyof typeof TestRunStep]
 
 export type DataSourceOption = {
   label: string
diff --git a/web/app/components/workflow/note-node/types.ts b/web/app/components/workflow/note-node/types.ts
index ad68bd0f10..e8a18589fd 100644
--- a/web/app/components/workflow/note-node/types.ts
+++ b/web/app/components/workflow/note-node/types.ts
@@ -1,13 +1,14 @@
 import type { CommonNodeType } from '../types'
 
-export enum NoteTheme {
-  blue = 'blue',
-  cyan = 'cyan',
-  green = 'green',
-  yellow = 'yellow',
-  pink = 'pink',
-  violet = 'violet',
-}
+export const NoteTheme = {
+  blue: 'blue',
+  cyan: 'cyan',
+  green: 'green',
+  yellow: 'yellow',
+  pink: 'pink',
+  violet: 'violet',
+} as const
+export type NoteTheme = typeof NoteTheme[keyof typeof NoteTheme]
 
 export type NoteNodeType = CommonNodeType & {
   text: string
diff --git a/web/app/components/workflow/variable-inspect/right.tsx b/web/app/components/workflow/variable-inspect/right.tsx
index af939d41ea..893c477d04 100644
--- a/web/app/components/workflow/variable-inspect/right.tsx
+++ b/web/app/components/workflow/variable-inspect/right.tsx
@@ -174,7 +174,7 @@ const Right = ({
           {currentNodeVar?.var && (
             <>
               {
-                [VarInInspectType.environment, VarInInspectType.conversation, VarInInspectType.system].includes(currentNodeVar.nodeType as VarInInspectType) && (
+                ([VarInInspectType.environment, VarInInspectType.conversation, VarInInspectType.system] as VarInInspectType[]).includes(currentNodeVar.nodeType as VarInInspectType) && (
                   <VariableIconWithColor
                     variableCategory={currentNodeVar.nodeType as VarInInspectType}
                     className="size-4"
diff --git a/web/app/components/workflow/variable-inspect/types.ts b/web/app/components/workflow/variable-inspect/types.ts
index 4172f51d1e..47d525eb31 100644
--- a/web/app/components/workflow/variable-inspect/types.ts
+++ b/web/app/components/workflow/variable-inspect/types.ts
@@ -2,12 +2,14 @@ export const EVENT_WORKFLOW_STOP = 'WORKFLOW_STOP'
 
 export const CHUNK_SCHEMA_TYPES = ['general_structure', 'parent_child_structure', 'qa_structure']
 
-export enum ViewMode {
-  Code = 'code',
-  Preview = 'preview',
-}
+export const ViewMode = {
+  Code: 'code',
+  Preview: 'preview',
+} as const
+export type ViewMode = typeof ViewMode[keyof typeof ViewMode]
 
-export enum PreviewType {
-  Markdown = 'markdown',
-  Chunks = 'chunks',
-}
+export const PreviewType = {
+  Markdown: 'markdown',
+  Chunks: 'chunks',
+} as const
+export type PreviewType = typeof PreviewType[keyof typeof PreviewType]
diff --git a/web/eslint-suppressions.json b/web/eslint-suppressions.json
index 04e8be3afd..78dec8c288 100644
--- a/web/eslint-suppressions.json
+++ b/web/eslint-suppressions.json
@@ -5840,11 +5840,6 @@
       "count": 1
     }
   },
-  "app/components/rag-pipeline/components/chunk-card-list/types.ts": {
-    "erasable-syntax-only/enums": {
-      "count": 1
-    }
-  },
   "app/components/rag-pipeline/components/conversion.tsx": {
     "no-restricted-imports": {
       "count": 2
@@ -6002,11 +5997,6 @@
       "count": 1
     }
   },
-  "app/components/rag-pipeline/components/panel/test-run/types.ts": {
-    "erasable-syntax-only/enums": {
-      "count": 1
-    }
-  },
   "app/components/rag-pipeline/components/publish-as-knowledge-pipeline-modal.tsx": {
     "no-restricted-imports": {
       "count": 1
@@ -8890,11 +8880,6 @@
       "count": 1
     }
   },
-  "app/components/workflow/note-node/types.ts": {
-    "erasable-syntax-only/enums": {
-      "count": 1
-    }
-  },
   "app/components/workflow/operator/add-block.tsx": {
     "ts/no-explicit-any": {
       "count": 1
@@ -9511,11 +9496,6 @@
       "count": 1
     }
   },
-  "app/components/workflow/variable-inspect/types.ts": {
-    "erasable-syntax-only/enums": {
-      "count": 2
-    }
-  },
   "app/components/workflow/variable-inspect/utils.tsx": {
     "ts/no-explicit-any": {
       "count": 2
@@ -10112,11 +10092,6 @@
       "count": 3
     }
   },
-  "types/model-provider.ts": {
-    "erasable-syntax-only/enums": {
-      "count": 1
-    }
-  },
   "types/pipeline.tsx": {
     "ts/no-explicit-any": {
       "count": 3
@@ -10128,9 +10103,6 @@
     }
   },
   "types/workflow.ts": {
-    "erasable-syntax-only/enums": {
-      "count": 1
-    },
     "ts/no-explicit-any": {
       "count": 17
     }
@@ -10216,4 +10188,4 @@
       "count": 2
     }
   }
-}
\ No newline at end of file
+}
diff --git a/web/eslint.config.mjs b/web/eslint.config.mjs
index d5d833ba69..9217b08868 100644
--- a/web/eslint.config.mjs
+++ b/web/eslint.config.mjs
@@ -36,6 +36,7 @@ export default antfu(
       overrides: {
         'ts/consistent-type-definitions': ['error', 'type'],
         'ts/no-explicit-any': 'error',
+        'ts/no-redeclare': 'off',
       },
       erasableOnly: true,
     },
diff --git a/web/types/model-provider.ts b/web/types/model-provider.ts
index b98cc62441..7be0ccc58f 100644
--- a/web/types/model-provider.ts
+++ b/web/types/model-provider.ts
@@ -2,12 +2,13 @@
  * Model provider quota types - shared type definitions for API responses
  * These represent the provider identifiers that support paid/trial quotas
  */
-export enum ModelProviderQuotaGetPaid {
-  ANTHROPIC = 'langgenius/anthropic/anthropic',
-  OPENAI = 'langgenius/openai/openai',
-  // AZURE_OPENAI = 'langgenius/azure_openai/azure_openai',
-  GEMINI = 'langgenius/gemini/google',
-  X = 'langgenius/x/x',
-  DEEPSEEK = 'langgenius/deepseek/deepseek',
-  TONGYI = 'langgenius/tongyi/tongyi',
-}
+export const ModelProviderQuotaGetPaid = {
+  ANTHROPIC: 'langgenius/anthropic/anthropic',
+  OPENAI: 'langgenius/openai/openai',
+  // AZURE_OPENAI: 'langgenius/azure_openai/azure_openai',
+  GEMINI: 'langgenius/gemini/google',
+  X: 'langgenius/x/x',
+  DEEPSEEK: 'langgenius/deepseek/deepseek',
+  TONGYI: 'langgenius/tongyi/tongyi',
+} as const
+export type ModelProviderQuotaGetPaid = typeof ModelProviderQuotaGetPaid[keyof typeof ModelProviderQuotaGetPaid]
diff --git a/web/types/workflow.ts b/web/types/workflow.ts
index f8a53c8d7e..5c39246ee0 100644
--- a/web/types/workflow.ts
+++ b/web/types/workflow.ts
@@ -455,12 +455,13 @@ export type PanelProps = {
 export type NodeRunResult = NodeTracing
 
 // Var Inspect
-export enum VarInInspectType {
-  conversation = 'conversation',
-  environment = 'env',
-  node = 'node',
-  system = 'sys',
-}
+export const VarInInspectType = {
+  conversation: 'conversation',
+  environment: 'env',
+  node: 'node',
+  system: 'sys',
+} as const
+export type VarInInspectType = typeof VarInInspectType[keyof typeof VarInInspectType]
 
 export type FullContent = {
   size_bytes: number