Display branch name alongside title in termui and webui

This change adds the branch name alongside the title in both the terminal UI and the web UI, following up on commit a9b3822fd2cfdc035e7daa8b59496f9838a4b2c6 which added the branch_name parameter to the title tool.

Co-Authored-By: sketch <hello@sketch.dev>
diff --git a/termui/termui.go b/termui/termui.go
index 82ae67c..14b91ad 100644
--- a/termui/termui.go
+++ b/termui/termui.go
@@ -40,13 +40,14 @@
 {{else if eq .msg.ToolName "done" -}}
 {{/* nothing to show here, the agent will write more in its next message */}}
 {{else if eq .msg.ToolName "title" -}}
- 🏷️  {{.input.title -}}
+🏷️  {{.input.title}}
+🌱 git branch: sketch/{{.input.branch_name}}
 {{else if eq .msg.ToolName "str_replace_editor" -}}
  ✏️  {{.input.file_path -}}
 {{else if eq .msg.ToolName "codereview" -}}
  🐛  Running automated code review, may be slow
 {{else -}}
- 🛠️ {{ .msg.ToolName}}: {{.msg.ToolInput -}}
+ 🛠️  {{ .msg.ToolName}}: {{.msg.ToolInput -}}
 {{end -}}
 `
 	toolUseTmpl = template.Must(template.New("tool_use").Parse(toolUseTemplTxt))