feat: 添加流式输出动画效果

- 添加 spinner 组件，使用 bubbletea v2 的 MiniDot 动画
- 用户输入后显示思考中动画
- 第一个 token 返回后显示思考完成
- 流式输出完成后添加空行分隔

go.mod

@@ -3,6 +3,9 @@ module github.com/hxclaw/hxclaw
 go 1.25.9
 
 require (
+	charm.land/bubbles/v2 v2.1.0
+	charm.land/bubbletea/v2 v2.0.2
+	charm.land/lipgloss/v2 v2.0.2
 	github.com/ergochat/readline v0.1.3
 	github.com/sipeed/picoclaw v0.0.0
 )
@@ -27,6 +30,14 @@ require (
 	github.com/aws/aws-sdk-go-v2/service/sts v1.41.10 // indirect
 	github.com/aws/smithy-go v1.24.2 // indirect
 	github.com/caarlos0/env/v11 v11.4.0 // indirect
+	github.com/charmbracelet/colorprofile v0.4.2 // indirect
+	github.com/charmbracelet/ultraviolet v0.0.0-20260205113103-524a6607adb8 // indirect
+	github.com/charmbracelet/x/ansi v0.11.6 // indirect
+	github.com/charmbracelet/x/term v0.2.2 // indirect
+	github.com/charmbracelet/x/termios v0.1.1 // indirect
+	github.com/charmbracelet/x/windows v0.2.2 // indirect
+	github.com/clipperhouse/displaywidth v0.11.0 // indirect
+	github.com/clipperhouse/uax29/v2 v2.7.0 // indirect
 	github.com/creack/pty v1.1.24 // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
 	github.com/github/copilot-sdk/go v0.2.0 // indirect
@@ -35,17 +46,20 @@ require (
 	github.com/gomarkdown/markdown v0.0.0-20260217112301-37c66b85d6ab // indirect
 	github.com/google/jsonschema-go v0.4.2 // indirect
 	github.com/google/uuid v1.6.0 // indirect
-	github.com/gosuri/uilive v0.0.4 // indirect
 	github.com/h2non/filetype v1.1.3 // indirect
+	github.com/lucasb-eyer/go-colorful v1.3.0 // indirect
 	github.com/mattn/go-colorable v0.1.14 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/mattn/go-runewidth v0.0.21 // indirect
 	github.com/modelcontextprotocol/go-sdk v1.5.0 // indirect
+	github.com/muesli/cancelreader v0.2.2 // indirect
 	github.com/ncruces/go-strftime v1.0.0 // indirect
 	github.com/openai/openai-go/v3 v3.22.0 // indirect
 	github.com/pion/randutil v0.1.0 // indirect
 	github.com/pion/rtp v1.10.1 // indirect
 	github.com/pion/webrtc/v3 v3.3.6 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
+	github.com/rivo/uniseg v0.4.7 // indirect
 	github.com/rs/zerolog v1.35.0 // indirect
 	github.com/segmentio/asm v1.1.3 // indirect
 	github.com/segmentio/encoding v0.5.4 // indirect
@@ -53,6 +67,7 @@ require (
 	github.com/tidwall/match v1.2.0 // indirect
 	github.com/tidwall/pretty v1.2.1 // indirect
 	github.com/tidwall/sjson v1.2.5 // indirect
+	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
 	github.com/yosida95/uritemplate/v3 v3.0.2 // indirect
 	go.opentelemetry.io/auto/sdk v1.1.0 // indirect
 	go.opentelemetry.io/otel v1.35.0 // indirect