Feat: conversation variable & variable assigner node (#7222)

Signed-off-by: -LAN- <laipz8200@outlook.com>
Co-authored-by: Joel <iamjoel007@gmail.com>
Co-authored-by: -LAN- <laipz8200@outlook.com>

web/i18n/en-US/workflow.ts

@@ -99,6 +99,33 @@ const translation = {
       export: 'Export DSL with secret values ',
     },
   },
+  chatVariable: {
+    panelTitle: 'Conversation Variables',
+    panelDescription: 'Conversation Variables are used to store interactive information that LLM needs to remember, including conversation history, uploaded files, user preferences. They are read-write. ',
+    docLink: 'Visit our docs to learn more.',
+    button: 'Add Variable',
+    modal: {
+      title: 'Add Conversation Variable',
+      editTitle: 'Edit Conversation Variable',
+      name: 'Name',
+      namePlaceholder: 'Variable name',
+      type: 'Type',
+      value: 'Default Value',
+      valuePlaceholder: 'Default value, leave blank to not set',
+      description: 'Description',
+      descriptionPlaceholder: 'Describe the variable',
+      editInJSON: 'Edit in JSON',
+      oneByOne: 'Add one by one',
+      editInForm: 'Edit in Form',
+      arrayValue: 'Value',
+      addArrayValue: 'Add Value',
+      objectKey: 'Key',
+      objectType: 'Type',
+      objectValue: 'Default Value',
+    },
+    storedContent: 'Stored content',
+    updatedAt: 'Updated at ',
+  },
   changeHistory: {
     title: 'Change History',
     placeholder: 'You haven\'t changed anything yet',
@@ -174,6 +201,7 @@ const translation = {
     'http-request': 'HTTP Request',
     'variable-assigner': 'Variable Aggregator',
     'variable-aggregator': 'Variable Aggregator',
+    'assigner': 'Variable Assigner',
     'iteration-start': 'Iteration Start',
     'iteration': 'Iteration',
     'parameter-extractor': 'Parameter Extractor',
@@ -190,6 +218,7 @@ const translation = {
     'template-transform': 'Convert data to string using Jinja template syntax',
     'http-request': 'Allow server requests to be sent over the HTTP protocol',
     'variable-assigner': 'Aggregate multi-branch variables into a single variable for unified configuration of downstream nodes.',
+    'assigner': 'The variable assignment node is used for assigning values to writable variables(like conversation variables).',
     'variable-aggregator': 'Aggregate multi-branch variables into a single variable for unified configuration of downstream nodes.',
     'iteration': 'Perform multiple steps on a list object until all results are outputted.',
     'parameter-extractor': 'Use LLM to extract structured parameters from natural language for tool invocations or HTTP requests.',
@@ -216,6 +245,7 @@ const translation = {
     checklistResolved: 'All issues are resolved',
     organizeBlocks: 'Organize blocks',
     change: 'Change',
+    optional: '(optional)',
   },
   nodes: {
     common: {
@@ -407,6 +437,17 @@ const translation = {
       },
       setAssignVariable: 'Set assign variable',
     },
+    assigner: {
+      'assignedVariable': 'Assigned Variable',
+      'writeMode': 'Write Mode',
+      'writeModeTip': 'When ASSIGNED VARIABLE is an array, append mode adds to the end.',
+      'over-write': 'Overwrite',
+      'append': 'Append',
+      'plus': 'Plus',
+      'clear': 'Clear',
+      'setVariable': 'Set Variable',
+      'variable': 'Variable',
+    },
     tool: {
       toAuthorize: 'To authorize',
       inputVars: 'Input Variables',