refactor: message content (#1424)

lua/avante/suggestion.lua

@@ -78,7 +78,10 @@ function Suggestion:suggest()
   local history_messages = {
     {
       role = "user",
-      content = [[
+      content = {
+        {
+          type = "text",
+          text = [[
 <filepath>a.py</filepath>
 <code>
 L1: def fib
@@ -87,7 +90,9 @@ L3: if __name__ == "__main__":
 L4:     # just pass
 L5:     pass
 </code>
-      ]],
+]],
+        },
+      },
     },
     {
       role = "assistant",
@@ -95,7 +100,12 @@ L5:     pass
     },
     {
       role = "user",
-      content = '<question>{"insertSpaces":true,"tabSize":4,"indentSize":4,"position":{"row":1,"col":7}}</question>',
+      content = {
+        {
+          type = "text",
+          text = '<question>{"insertSpaces":true,"tabSize":4,"indentSize":4,"position":{"row":1,"col":7}}</question>',
+        },
+      },
     },
     {
       role = "assistant",
@@ -126,7 +136,7 @@ L5:     pass
     },
   ]
 ]
-      ]],
+          ]],
     },
   }