fix(sdk/models): improve prompt adapter templates

packages/galileo-sdk/src/models/llms/anthropic/claude.ts

@@ -10,7 +10,7 @@ export const CLAUDE_V2_ADAPTER: IModelAdapter = {
       base: {
         // every claude prompt must start with `\n\nHuman: `
         Header: '\n\nHuman: ',
-        // every claude prompt must end with `\n\Assistant: `
+        // every claude prompt must end with `\n\nAssistant: `
         Footer: '\n\nAssistant: ',
         // claude likes tags
         Body: '<system>{{>Instruction}}\n\n{{>Context}}\n\n</system>\n\n{{>Cue}}',
@@ -27,10 +27,6 @@ export const CLAUDE_V2_ADAPTER: IModelAdapter = {
           Cue: 'Followup Question: {{question}}',
           Delimiter: '<dialog>',
           Dialog: '<dialog>\n{{>Messages}}\n\n</dialog>',
-          // prevent stop in dialog
-          AIMessage: '\tAssistant: {{content}}',
-          HumanMessage: '\tHuman: {{content}}',
-          SystemMessage: '\tSystem: {{content}}',
         },
       },
     },

packages/galileo-sdk/src/models/llms/meta/llama2.ts

@@ -27,3 +27,19 @@ export const LLAMA2_KWARGS: Kwargs = {
 export const LLAMA2_ENDPOINT_KWARGS: Kwargs = {
   CustomAttributes: 'accept_eula=true',
 };
+
+/*
+Given the following conversation and a follow up question, rephrase the follow up question to be a standalone question.
+
+Chat History:
+{{#each chat_history}}
+{{#if (eq type "human")}}Human: {{content}}
+{{~else if (eq type "ai")}}Assistant: {{content}}
+{{~else if (eq type "system")}}System: {{content}}
+{{~else}}{{#if type}}{{type}}: {{/if}}{{content}}
+{{/if}}{{#isnt @last true}}
+{{/isnt}}{{/each}}
+
+Follow Up Input: {{question}}
+Standalone question:
+*/