fix: properly render anthropic tool results while restoring chats

doc/codecompanion.txt

@@ -1628,6 +1628,29 @@ configuration and can be changed via:
     })
 <
 
+The keymaps for accepting and rejecting the diff sit within the `inline`
+configuration and can be changed via:
+
+>lua
+    require("codecompanion").setup({
+      strategies = {
+        inline = {
+          keymaps = {
+            accept_change = {
+              modes = { n = "gda" }, -- gDiffAccept
+            },
+            reject_change = {
+              modes = { n = "gdr" }, -- gDiffReject
+            },
+            always_accept = {
+              modes = { n = "gdt" },
+            },
+          },
+        },
+      },
+    })
+<
+
 
 USER INTERFACE (UI) ~
 
@@ -2333,7 +2356,7 @@ The fastest way to copy an LLM’s code output is with `gy`. This will yank the
 nearest codeblock.
 
 
-APPLYING AN LLM€�S EDITS TO A BUFFER OR FILE ~
+APPLYING AN LLM’S EDITS TO A BUFFER OR FILE ~
 
 The |codecompanion-usage-chat-buffer-tools-files| tool, combined with the
 |codecompanion-usage-chat-buffer-variables.html-buffer| variable or
@@ -3846,7 +3869,7 @@ OpenAI adapter.
   as a great reference to understand how they’re working with the output of the
   API
 
-OPENAI€�S API OUTPUT
+OPENAI’S API OUTPUT
 
 If we reference the OpenAI documentation
 <https://platform.openai.com/docs/guides/text-generation/chat-completions-api>

lua/codecompanion/strategies/chat/ui/init.lua

@@ -301,7 +301,16 @@ function UI:render(context, messages, opts)
         end
 
         local trimempty = not (msg.role == "user" and msg.content == "")
-        for _, text in ipairs(vim.split(msg.content or "", "\n", { plain = true, trimempty = trimempty })) do
+        local display_content = msg.content or ""
+        -- For anthropic adapter, the tool output is in msg.content.content
+        if type(display_content) == "table" then
+          if type(msg.content.content) == "string" then
+            display_content = msg.content.content
+          else
+            display_content = "[Message Cannot Be Displayed]"
+          end
+        end
+        for _, text in ipairs(vim.split(display_content or "", "\n", { plain = true, trimempty = trimempty })) do
           table.insert(lines, text)
         end