feat: support assistant frontend (#2139)

Co-authored-by: StyleZhang <jasonapring2015@outlook.com>

web/config/index.ts

@@ -1,5 +1,5 @@
 /* eslint-disable import/no-mutable-exports */
-import { AppType, ProviderType } from '@/types/app'
+import { AgentStrategy, AppType, ProviderType } from '@/types/app'
 
 const isDevelopment = process.env.NODE_ENV === 'development'
 
@@ -152,3 +152,99 @@ export const APP_PAGE_LIMIT = 10
 export const ANNOTATION_DEFAULT = {
   score_threshold: 0.9,
 }
+
+export const MAX_TOOLS_NUM = 5
+
+export const DEFAULT_AGENT_SETTING = {
+  enabled: false,
+  max_iteration: 5,
+  strategy: AgentStrategy.functionCall,
+  tools: [],
+}
+
+export const DEFAULT_AGENT_PROMPT = {
+  chat: `Respond to the human as helpfully and accurately as possible. 
+
+  {{instruction}}
+  
+  You have access to the following tools:
+  
+  {{tools}}
+  
+  Use a json blob to specify a tool by providing an {{TOOL_NAME_KEY}} key (tool name) and an {{ACTION_INPUT_KEY}} key (tool input).
+  Valid "{{TOOL_NAME_KEY}}" values: "Final Answer" or {{tool_names}}
+  
+  Provide only ONE action per $JSON_BLOB, as shown:
+  
+  \`\`\`
+  {
+    "{{TOOL_NAME_KEY}}": $TOOL_NAME,
+    "{{ACTION_INPUT_KEY}}": $ACTION_INPUT
+  }
+  \`\`\`
+  
+  Follow this format:
+  
+  Question: input question to answer
+  Thought: consider previous and subsequent steps
+  Action:
+  \`\`\`
+  $JSON_BLOB
+  \`\`\`
+  Observation: action result
+  ... (repeat Thought/Action/Observation N times)
+  Thought: I know what to respond
+  Action:
+  \`\`\`
+  {
+    "{{TOOL_NAME_KEY}}": "Final Answer",
+    "{{ACTION_INPUT_KEY}}": "Final response to human"
+  }
+  \`\`\`
+  
+  Begin! Reminder to ALWAYS respond with a valid json blob of a single action. Use tools if necessary. Respond directly if appropriate. Format is Action:\`\`\`$JSON_BLOB\`\`\`then Observation:.`,
+  completion: `
+  Respond to the human as helpfully and accurately as possible. 
+
+{{instruction}}
+
+You have access to the following tools:
+
+{{tools}}
+
+Use a json blob to specify a tool by providing an {{TOOL_NAME_KEY}} key (tool name) and an {{ACTION_INPUT_KEY}} key (tool input).
+Valid "{{TOOL_NAME_KEY}}" values: "Final Answer" or {{tool_names}}
+
+Provide only ONE action per $JSON_BLOB, as shown:
+
+\`\`\`
+{{{{
+  "{{TOOL_NAME_KEY}}": $TOOL_NAME,
+  "{{ACTION_INPUT_KEY}}": $ACTION_INPUT
+}}}}
+\`\`\`
+
+Follow this format:
+
+Question: input question to answer
+Thought: consider previous and subsequent steps
+Action:
+\`\`\`
+$JSON_BLOB
+\`\`\`
+Observation: action result
+... (repeat Thought/Action/Observation N times)
+Thought: I know what to respond
+Action:
+\`\`\`
+{{{{
+  "{{TOOL_NAME_KEY}}": "Final Answer",
+  "{{ACTION_INPUT_KEY}}": "Final response to human"
+}}}}
+\`\`\`
+
+Begin! Reminder to ALWAYS respond with a valid json blob of a single action. Use tools if necessary. Respond directly if appropriate. Format is Action:\`\`\`$JSON_BLOB\`\`\`then Observation:.
+Question: {{query}}
+Thought: {{agent_scratchpad}}
+  `,
+}