docs: 更新 README feature 表 + 升级指南 + 示例注释 + roadmap 同步

- README 添加 feature 组合表 + 模块级 features 清单 + 升级指南 - 18 个 example 顶部添加 Required features 注释 - roadmap.md 和 roadmap-v0.3.2.md 同步 Phase 26-27 完成状态 - cargo fmt 全量格式化（修复预存格式问题，CI format job 可通过）
2026-07-19 08:18:04 +08:00
parent bc4eac72e1
commit 5baa170508
53 changed files with 1112 additions and 615 deletions
@@ -98,7 +98,11 @@ pub fn format_messages_as_text(messages: &[Message], max_tool_result_chars: usiz
                content,
                is_error,
            } => {
-                let label = if *is_error { "Tool Error" } else { "Tool Result" };
+                let label = if *is_error {
+                    "Tool Error"
+                } else {
+                    "Tool Result"
+                };
                if let Some(text) = first_text(content) {
                    let truncated = truncate_chars(text, max_tool_result_chars);
                    lines.push(format!("{} [{}]: {}", label, tool_call_id, truncated));