diff --git a/.gitignore b/.gitignore
index 9f11b75..41f7f34 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 .idea/
+build/
diff --git a/REAMDE.md b/REAMDE.md
index e69de29..d822174 100644
--- a/REAMDE.md
+++ b/REAMDE.md
@@ -0,0 +1,82 @@
+# Grokkit
+
+Grokkit is a fast Go CLI integrating Grok AI with git workflows and general chat/edit.
+
+## 🚀 Quick Start
+
+```bash
+export XAI_API_KEY=sk-...
+
+go install gmgauthier.com/grokkit@grokkit  # or build locally
+
+grokkit --help
+```
+
+## 📁 Config (optional)
+
+`~/.config/grokkit/grokkit.yaml`:
+```yaml
+model: grok-4
+chat:
+  history_file: ~/.config/grokkit/chat_history.json
+```
+
+## Commands
+
+### 💬 `grokkit chat`
+Interactive TUI chat with Grok (bubbletea: styled scrolling viewport, live streaming, mouse support).
+
+```
+grokkit chat
+```
+
+### 📝 `grokkit commitmsg`
+Generate conventional commit from staged changes.
+
+```
+git add .
+grokkit commitmsg
+```
+
+### ✅ `grokkit commit`
+Generate & commit.
+
+```
+grokkit commit
+```
+
+### 🔍 `grokkit review`
+AI code review of staged changes.
+
+```
+grokkit review
+```
+
+### 📋 `grokkit pr-describe`
+PR description from branch vs main.
+
+```
+grokkit pr-describe
+```
+
+### 📜 `grokkit history`
+Summarize recent commits.
+
+```
+grokkit history
+```
+
+### ✏️ `grokkit edit FILE "instruction"`
+AI edit file.
+
+```
+grokkit edit main.go "add error handling"
+```
+
+## Flags
+
+`--model, -m`: grok-4 (default), etc.
+
+## License
+
+[Unlicense](https://unlicense.org/)
\ No newline at end of file
diff --git a/cmd/chat.go b/cmd/chat.go
index 0c03f23..d70b3ef 100644
--- a/cmd/chat.go
+++ b/cmd/chat.go
@@ -1,16 +1,185 @@
 package cmd
 
 import (
+	"os"
+	"strings"
+
+	"github.com/charmbracelet/bubbles/spinner"
+	"github.com/charmbracelet/bubbles/textinput"
+	"github.com/charmbracelet/bubbles/viewport"
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/charmbracelet/lipgloss"
+	"github.com/fatih/color"
 	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
 	"gmgauthier.com/grokkit/internal/grok"
 )
 
+type (
+	Message struct {
+		Role    string
+		Content string
+	}
+	model struct {
+		messages  []Message
+		history   []map[string]string
+		input     textinput.Model
+		spinner   spinner.Model
+		viewport  viewport.Model
+		streamCh  <-chan string
+		streaming bool
+		client    *grok.Client
+		gmodel    string
+	}
+	streamTickMsg struct{}
+)
+
+var (
+	userStyle = lipgloss.NewStyle().
+			Foreground(lipgloss.Color("172")).
+			Padding(0, 1)
+	grokStyle = lipgloss.NewStyle().
+			Foreground(lipgloss.Color("45")).
+			Padding(0, 1)
+	headerStyle = lipgloss.NewStyle().
+			Foreground(lipgloss.Color("99")).
+			Bold(true)
+)
+
+func initialModel() *model {
+	systemContent := "You are Grok, a helpful and maximally truthful AI built by xAI, not based on any other companies and their models."
+	system := Message{Role: "system", Content: systemContent}
+	h := []map[string]string{{"role": "system", "content": systemContent}}
+	ti := textinput.New()
+	ti.Placeholder = "Type message (Enter send, q/Ctrl+C quit)"
+	ti.Focus()
+	sp := spinner.New()
+	sp.Spinner = spinner.Dot
+	sp.Style = lipgloss.NewStyle().Foreground(lipgloss.Color("63"))
+	vp := viewport.New(0, 0)
+	vp.MouseWheelEnabled = true
+	vp.GotoBottom()
+	return &model{
+		messages: []Message{system},
+		history:  h,
+		input:    ti,
+		spinner:  sp,
+		viewport: vp,
+		client:   grok.NewClient(),
+		gmodel:   viper.GetString("model"),
+	}
+}
+
+func (m model) renderMessages() string {
+	var lines []string
+	for _, msg := range m.messages {
+		content := strings.ReplaceAll(msg.Content, "\n", "\n  ")
+		switch msg.Role {
+		case "user":
+			lines = append(lines, userStyle.Render("You: "+content))
+		case "assistant":
+			lines = append(lines, grokStyle.Render("Grok: "+content))
+		case "system":
+			lines = append(lines, content)
+		}
+		lines = append(lines, "")
+	}
+	return strings.Join(lines, "\n")
+}
+
+func streamTickMsgCmd() tea.Cmd {
+	return func() tea.Msg {
+		return streamTickMsg{}
+	}
+}
+
+func (m *model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	var cmds []tea.Cmd
+	switch msg := msg.(type) {
+	case tea.WindowSizeMsg:
+		m.viewport.Width = msg.Width
+		if msg.Height > 3 {
+			m.viewport.Height = msg.Height - 3
+		}
+		m.viewport.SetContent(m.renderMessages())
+		return m, nil
+	case tea.KeyMsg:
+		if m.streaming {
+			if msg.String() == "q" || msg.String() == "ctrl+c" || msg.String() == "esc" {
+				return m, tea.Quit
+			}
+			return m, nil
+		}
+		switch msg.String() {
+		case "q", "ctrl+c", "esc":
+			return m, tea.Quit
+		case "enter":
+			text := m.input.Value()
+			if text == "" {
+				return m, nil
+			}
+			userMsg := Message{Role: "user", Content: text}
+			m.messages = append(m.messages, userMsg)
+			m.history = append(m.history, map[string]string{"role": "user", "content": text})
+			assMsg := Message{Role: "assistant", Content: ""}
+			m.messages = append(m.messages, assMsg)
+			m.input.Reset()
+			m.streaming = true
+			m.streamCh = m.client.StreamChan(m.history, m.gmodel)
+			m.viewport.SetContent(m.renderMessages())
+			cmds = append(cmds, streamTickMsgCmd())
+			return m, tea.Batch(cmds...)
+		default:
+			var cmd tea.Cmd
+			m.input, cmd = m.input.Update(msg)
+			return m, cmd
+		}
+	case streamTickMsg:
+		if !m.streaming || m.streamCh == nil {
+			return m, nil
+		}
+		select {
+		case chunk, ok := <-m.streamCh:
+			if !ok {
+				m.streaming = false
+				m.streamCh = nil
+				m.viewport.SetContent(m.renderMessages())
+				return m, nil
+			}
+			m.messages[len(m.messages)-1].Content += chunk
+			m.viewport.SetContent(m.renderMessages())
+			m.viewport.GotoBottom()
+			return m, streamTickMsgCmd()
+		default:
+			return m, streamTickMsgCmd()
+		}
+	}
+	return m, tea.Batch(cmds...)
+}
+
+func (m model) View() string {
+	header := headerStyle.Render("=== Grokkit TUI Chat ===  q/Ctrl+C to quit")
+	vpView := m.viewport.View()
+	spinnerLine := ""
+	if m.streaming {
+		spinnerLine = m.spinner.View() + " Grok typing..."
+	}
+	inputLine := m.input.View()
+	return lipgloss.JoinVertical(lipgloss.Left, header, vpView, spinnerLine, inputLine)
+}
+
+func (m model) Init() tea.Cmd {
+	return nil
+}
+
 var chatCmd = &cobra.Command{
 	Use:   "chat",
-	Short: "Interactive streaming chat with Grok",
+	Short: "Interactive TUI chat with Grok",
 	Run: func(cmd *cobra.Command, args []string) {
-		client := grok.NewClient()
-		// TODO: add history + loop (we can expand this later)
-		// For now, basic streaming chat can be added in next iteration
+		p := tea.NewProgram(initialModel(), tea.WithAltScreen(), tea.WithMouseCellMotion())
+		if _, err := p.Run(); err != nil {
+			color.Red("Chat failed: %v", err)
+			os.Exit(1)
+		}
 	},
 }
diff --git a/cmd/commit.go b/cmd/commit.go
index a22211e..f871bf5 100644
--- a/cmd/commit.go
+++ b/cmd/commit.go
@@ -1,11 +1,79 @@
 package cmd
 
-import "github.com/spf13/cobra"
+import (
+	"fmt"
+	"os"
+	"os/exec"
+	"strings"
+
+	"github.com/fatih/color"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+	"gmgauthier.com/grokkit/internal/git"
+	"gmgauthier.com/grokkit/internal/grok"
+)
 
 var commitCmd = &cobra.Command{
 	Use:   "commit",
 	Short: "Generate message and commit staged changes",
 	Run: func(cmd *cobra.Command, args []string) {
-		// TODO: implement
+		model := viper.GetString("model")
+
+		client := grok.NewClient()
+
+		if !git.IsRepo() {
+			color.Red("Error: Not inside a git repository")
+			os.Exit(1)
+		}
+
+		diffOutput := git.Run([]string{"diff", "--cached"})
+
+		if diffOutput == "" {
+			color.Yellow("No staged changes. Stage files with `git add` first.")
+			return
+		}
+
+		systemPrompt := `You are an expert at writing conventional commit messages.
+
+Analyze the code diff below and generate a concise commit message:
+
+- Prefix: feat|fix|docs|style|refactor|perf|test|ci|chore
+- Imperative mood (e.g., 'Add', 'Fix'), capitalize first letter
+- Max 72 chars for subject line
+- Optional body lines wrapped at 72 chars
+- No trailing period on subject`
+
+		messages := []map[string]string{
+			{"role": "system", "content": systemPrompt},
+			{"role": "user", "content": diffOutput},
+		}
+
+		commitMsg := client.Stream(messages, model)
+
+		fmt.Println(color.YellowString("Suggested commit message:"))
+		fmt.Println()
+		fmt.Print(color.CyanString(commitMsg))
+		fmt.Println()
+
+		fmt.Print(color.YellowString("Commit now? (y/N): "))
+		var confirm string
+		fmt.Scanln(&confirm)
+		if strings.ToLower(strings.TrimSpace(confirm)) != "y" {
+			color.Yellow("Aborted.")
+			return
+		}
+
+		cmdOut, err := exec.Command("git", "commit", "-m", commitMsg).CombinedOutput()
+		if err != nil {
+			color.Red("Commit failed: %%v\\nOutput: %%s", err, cmdOut)
+			os.Exit(1)
+		}
+
+		outputStr := strings.TrimSpace(string(cmdOut))
+		if len(outputStr) > 0 {
+			fmt.Println(color.GreenString("Commit output: ") + outputStr)
+		} else {
+			color.Green("Committed successfully!")
+		}
 	},
 }
diff --git a/cmd/commitmsg.go b/cmd/commitmsg.go
index 90b7c19..d1a51c2 100644
--- a/cmd/commitmsg.go
+++ b/cmd/commitmsg.go
@@ -1,11 +1,56 @@
 package cmd
 
-import "github.com/spf13/cobra"
+import (
+	"fmt"
+	"os"
+
+	"github.com/fatih/color"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+	"gmgauthier.com/grokkit/internal/git"
+	"gmgauthier.com/grokkit/internal/grok"
+)
 
 var commitMsgCmd = &cobra.Command{
 	Use:   "commit-msg",
 	Short: "Generate conventional commit message from staged changes",
 	Run: func(cmd *cobra.Command, args []string) {
-		// TODO: implement
+		model := viper.GetString("model")
+
+		client := grok.NewClient()
+
+		if !git.IsRepo() {
+			color.Red("Error: Not inside a git repository")
+			os.Exit(1)
+		}
+
+		diffOutput := git.Run([]string{"diff", "--cached"})
+
+		if diffOutput == "" {
+			color.Red("Error: No staged changes. Stage files with `git add` first.")
+			os.Exit(1)
+		}
+
+		systemPrompt := `You are an expert at writing conventional commit messages.
+
+Analyze the code diff below and generate a concise commit message:
+
+- Prefix: feat|fix|docs|style|refactor|perf|test|ci|chore
+- Imperative mood (e.g., 'Add', 'Fix'), capitalize first letter
+- Max 72 chars for subject line
+- Optional body lines wrapped at 72 chars
+- No trailing period on subject`
+
+		messages := []map[string]string{
+			{"role": "system", "content": systemPrompt},
+			{"role": "user", "content": diffOutput},
+		}
+
+		commitMsg := client.Stream(messages, model)
+
+		fmt.Println(color.YellowString("Suggested commit message:"))
+		fmt.Println()
+		fmt.Print(color.CyanString(commitMsg))
+		fmt.Println()
 	},
 }
diff --git a/cmd/edit.go b/cmd/edit.go
index ecbfa41..f81bd24 100644
--- a/cmd/edit.go
+++ b/cmd/edit.go
@@ -1,11 +1,129 @@
 package cmd
 
-import "github.com/spf13/cobra"
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/spf13/viper"
+	"gmgauthier.com/grokkit/internal/git"
+
+	"github.com/fatih/color"
+	"github.com/spf13/cobra"
+	"gmgauthier.com/grokkit/internal/grok"
+)
 
 var editCmd = &cobra.Command{
 	Use:   "edit FILE INSTRUCTION",
 	Short: "Edit a file in-place with Grok",
 	Run: func(cmd *cobra.Command, args []string) {
-		// TODO: implement
+		if len(args) < 2 {
+			color.Red("Usage: grokkit edit <file> <instruction>")
+			os.Exit(1)
+		}
+
+		filePath := args[0]
+		instruction := strings.Join(args[1:], " ")
+
+		content, err := os.ReadFile(filePath)
+		if err != nil {
+			color.Red("Error reading file %s: %v", filePath, err)
+			os.Exit(1)
+		}
+
+		backupPath := filePath + ".bak"
+		if backupErr := os.WriteFile(backupPath, content, 0o644); backupErr != nil {
+			color.Yellow("Warning: backup failed %s: %v", backupPath, backupErr)
+		}
+
+		model := viper.GetString("model")
+		client := grok.NewClient()
+
+		systemPrompt := `You are an expert software engineer. 
+
+Your task is to edit code files based on instructions.
+
+IMPORTANT: Respond ONLY with the COMPLETE new file content. 
+No explanations, no markdown, no comments outside the code.`
+
+		userPrompt := fmt.Sprintf(`File: %s
+Current content:
+%s
+
+Instruction: %s
+
+Output ONLY the full updated file content:`, filePath, content, instruction)
+
+		messages := []map[string]string{
+			{"role": "system", "content": systemPrompt},
+			{"role": "user", "content": userPrompt},
+		}
+
+		cleanCodeResponse := func(s string) string {
+			lines := strings.Split(s, "\n")
+			if len(lines) > 0 {
+				first := strings.TrimSpace(lines[0])
+				if strings.HasPrefix(first, "```") {
+					lines = lines[1:]
+				}
+			}
+			if len(lines) > 0 {
+				last := strings.TrimSpace(lines[len(lines)-1])
+				if strings.HasSuffix(last, "```") {
+					lines = lines[:len(lines)-1]
+				}
+			}
+			return strings.TrimSpace(strings.Join(lines, "\n"))
+		}
+
+		newContent := cleanCodeResponse(client.Stream(messages, model))
+
+		dir := filepath.Dir(filePath)
+		base := filepath.Base(filePath)
+		tmpA, err := os.CreateTemp(dir, "grokkit."+base+".old~")
+		if err != nil {
+			color.Red("Temp error: %v", err)
+			return
+		}
+		defer os.Remove(tmpA.Name())
+		tmpA.Write(content)
+		tmpA.Close()
+
+		tmpB, err := os.CreateTemp(dir, "grokkit."+base+".new~")
+		if err != nil {
+			color.Red("Temp error: %v", err)
+			return
+		}
+		defer os.Remove(tmpB.Name())
+		tmpB.Write([]byte(newContent))
+		tmpB.Close()
+
+		diffOut := git.Run([]string{"diff", "--no-index", "--no-color", tmpA.Name(), tmpB.Name()})
+
+		fmt.Println(color.YellowString("📄 Backup: %s", backupPath))
+		fmt.Println()
+		if diffOut != "" {
+			fmt.Println(color.YellowString("🔄 Proposed changes:"))
+			fmt.Print(color.CyanString(diffOut))
+		} else {
+			color.Yellow("No changes.")
+		}
+		fmt.Println()
+
+		fmt.Print(color.YellowString("Apply? (y/N): "))
+		var confirm string
+		fmt.Scanln(&confirm)
+		if strings.ToLower(strings.TrimSpace(confirm)) != "y" {
+			color.Yellow("Aborted.")
+			return
+		}
+
+		if err := os.WriteFile(filePath, []byte(newContent), 0644); err != nil {
+			color.Red("Error writing file: %v", err)
+			os.Exit(1)
+		}
+
+		color.Green("File %s updated successfully!", filePath)
 	},
 }
diff --git a/cmd/history.go b/cmd/history.go
index 207b6d3..e4c73e2 100644
--- a/cmd/history.go
+++ b/cmd/history.go
@@ -1,11 +1,56 @@
 package cmd
 
-import "github.com/spf13/cobra"
+import (
+	"fmt"
+	"os"
+
+	"github.com/fatih/color"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+	"gmgauthier.com/grokkit/internal/git"
+	"gmgauthier.com/grokkit/internal/grok"
+)
 
 var historyCmd = &cobra.Command{
 	Use:   "history",
 	Short: "Summarize recent git history",
 	Run: func(cmd *cobra.Command, args []string) {
-		// TODO: implement
+		model := viper.GetString("model")
+
+		client := grok.NewClient()
+
+		if !git.IsRepo() {
+			color.Red("Error: Not inside a git repository")
+			os.Exit(1)
+		}
+
+		logOutput := git.Run([]string{"log", "--oneline", "-10"})
+
+		if logOutput == "" {
+			color.Red("Error: No git history found.")
+			os.Exit(1)
+		}
+
+		systemPrompt := `You are a git workflow expert.
+
+Summarize the recent git history:
+
+- Key changes and themes
+- Potential issues or todos
+- Suggestions for next steps or refactoring
+
+Format as bullet points.`
+
+		messages := []map[string]string{
+			{"role": "system", "content": systemPrompt},
+			{"role": "user", "content": logOutput},
+		}
+
+		summary := client.Stream(messages, model)
+
+		fmt.Println(color.YellowString("📜 Git History Summary:"))
+		fmt.Println()
+		fmt.Print(color.CyanString(summary))
+		fmt.Println()
 	},
 }
diff --git a/cmd/prdescribe.go b/cmd/prdescribe.go
index 21f4b88..5e98228 100644
--- a/cmd/prdescribe.go
+++ b/cmd/prdescribe.go
@@ -1,11 +1,52 @@
 package cmd
 
-import "github.com/spf13/cobra"
+import (
+	"fmt"
+
+	"github.com/fatih/color"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+	"gmgauthier.com/grokkit/internal/git"
+	"gmgauthier.com/grokkit/internal/grok"
+)
 
 var prDescribeCmd = &cobra.Command{
 	Use:   "pr-describe",
 	Short: "Generate full PR description from current branch",
 	Run: func(cmd *cobra.Command, args []string) {
-		// TODO: implement
+		model := viper.GetString("model")
+
+		client := grok.NewClient()
+
+		if !git.IsRepo() {
+			color.Yellow("Not a git repo.")
+		}
+
+		logMain := git.Run([]string{"log", "--oneline", "main..HEAD"})
+		if logMain == "" {
+			logMain = git.Run([]string{"log", "--oneline", "origin/main..HEAD"})
+		}
+		diffMain := git.Run([]string{"diff", "main..HEAD"})
+		if diffMain == "" {
+			diffMain = git.Run([]string{"diff", "origin/main..HEAD"})
+		}
+		if logMain == "" && diffMain == "" {
+			color.Yellow("No changes vs main/origin/main. Nothing to describe.")
+			return
+		}
+
+		systemPrompt := `Write a professional GitHub PR title + detailed body (changes, motivation, testing notes).`
+
+		messages := []map[string]string{
+			{"role": "system", "content": systemPrompt},
+			{"role": "user", "content": "Branch changes:\n" + logMain + "\n\nDiff:\n" + diffMain},
+		}
+
+		prDesc := client.Stream(messages, model)
+
+		fmt.Println(color.YellowString("📝 Suggested PR Description:"))
+		fmt.Println()
+		fmt.Print(color.CyanString(prDesc))
+		fmt.Println()
 	},
 }
diff --git a/cmd/review.go b/cmd/review.go
index 42fb489..a34799f 100644
--- a/cmd/review.go
+++ b/cmd/review.go
@@ -1,11 +1,48 @@
 package cmd
 
-import "github.com/spf13/cobra"
+import (
+	"fmt"
+
+	"github.com/fatih/color"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+	"gmgauthier.com/grokkit/internal/git"
+	"gmgauthier.com/grokkit/internal/grok"
+)
 
 var reviewCmd = &cobra.Command{
 	Use:   "review [path]",
 	Short: "Review the current repository or directory",
 	Run: func(cmd *cobra.Command, args []string) {
-		// TODO: implement
+		model := viper.GetString("model")
+
+		client := grok.NewClient()
+
+		if !git.IsRepo() {
+			color.Yellow("Not a git repo — basic analysis only.")
+		}
+
+		status := git.Run([]string{"status", "--short"})
+		unstagedDiff := git.Run([]string{"diff"})
+		files := git.Run([]string{"ls-files"})
+		if files == "" {
+			files = "No tracked files."
+		}
+		context := fmt.Sprintf(`Git status:\n\n%s\n\nUnstaged diff:\n%s\n\nTracked files:\n%s`, status, unstagedDiff, files)
+
+		systemPrompt := `You are an expert code reviewer.
+Give a concise summary + 3–5 actionable improvements.`
+
+		messages := []map[string]string{
+			{"role": "system", "content": systemPrompt},
+			{"role": "user", "content": "Review this project:\\n" + context},
+		}
+
+		review := client.Stream(messages, model)
+
+		fmt.Println(color.YellowString("🤖 AI Code Review:"))
+		fmt.Println()
+		fmt.Print(color.CyanString(review))
+		fmt.Println()
 	},
 }
diff --git a/cmd/root.go b/cmd/root.go
index da76c3a..963718f 100644
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -4,6 +4,8 @@ import (
 	"os"
 
 	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+	"gmgauthier.com/grokkit/config"
 )
 
 var rootCmd = &cobra.Command{
@@ -19,6 +21,10 @@ func Execute() {
 }
 
 func init() {
+	config.InitConfig()
+	rootCmd.PersistentFlags().StringP("model", "m", "grok-4", "Grok model (grok-4, grok-3, etc.)")
+	viper.BindPFlag("model", rootCmd.PersistentFlags().Lookup("model"))
+
 	rootCmd.AddCommand(chatCmd)
 	rootCmd.AddCommand(editCmd)
 	rootCmd.AddCommand(reviewCmd)
diff --git a/config/config.go b/config/config.go
index e69de29..7d47b0e 100644
--- a/config/config.go
+++ b/config/config.go
@@ -0,0 +1,18 @@
+package config
+
+import (
+	"os"
+
+	"github.com/spf13/viper"
+)
+
+func InitConfig() {
+	viper.SetConfigName("grokkit")
+	viper.SetConfigType("yaml")
+	home, _ := os.UserHomeDir()
+	viper.AddConfigPath(home + "/.config/grokkit")
+	viper.SetDefault("model", "grok-4")
+	viper.SetDefault("chat.history_file", home+"/.config/grokkit/chat_history.json")
+	viper.AutomaticEnv()
+	_ = viper.ReadInConfig()
+}
diff --git a/go.mod b/go.mod
index 4fa213a..54e85cd 100644
--- a/go.mod
+++ b/go.mod
@@ -1,16 +1,48 @@
 module gmgauthier.com/grokkit
 
-go 1.24
+go 1.24.2
 
 require (
+	github.com/charmbracelet/bubbles v1.0.0
+	github.com/charmbracelet/bubbletea v1.3.10
+	github.com/charmbracelet/lipgloss v1.1.0
 	github.com/fatih/color v1.18.0
 	github.com/spf13/cobra v1.9.1
+	github.com/spf13/viper v1.21.0
 )
 
 require (
+	github.com/atotto/clipboard v0.1.4 // indirect
+	github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
+	github.com/charmbracelet/colorprofile v0.4.1 // indirect
+	github.com/charmbracelet/x/ansi v0.11.6 // indirect
+	github.com/charmbracelet/x/cellbuf v0.0.15 // indirect
+	github.com/charmbracelet/x/term v0.2.2 // indirect
+	github.com/clipperhouse/displaywidth v0.9.0 // indirect
+	github.com/clipperhouse/stringish v0.1.1 // indirect
+	github.com/clipperhouse/uax29/v2 v2.5.0 // indirect
+	github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f // indirect
+	github.com/fsnotify/fsnotify v1.9.0 // indirect
+	github.com/go-viper/mapstructure/v2 v2.4.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
+	github.com/lucasb-eyer/go-colorful v1.3.0 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
-	github.com/spf13/pflag v1.0.6 // indirect
-	golang.org/x/sys v0.25.0 // indirect
+	github.com/mattn/go-localereader v0.0.1 // indirect
+	github.com/mattn/go-runewidth v0.0.19 // indirect
+	github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6 // indirect
+	github.com/muesli/cancelreader v0.2.2 // indirect
+	github.com/muesli/termenv v0.16.0 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
+	github.com/rivo/uniseg v0.4.7 // indirect
+	github.com/sagikazarmark/locafero v0.11.0 // indirect
+	github.com/sourcegraph/conc v0.3.1-0.20240121214520-5f936abd7ae8 // indirect
+	github.com/spf13/afero v1.15.0 // indirect
+	github.com/spf13/cast v1.10.0 // indirect
+	github.com/spf13/pflag v1.0.10 // indirect
+	github.com/subosito/gotenv v1.6.0 // indirect
+	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
+	go.yaml.in/yaml/v3 v3.0.4 // indirect
+	golang.org/x/sys v0.38.0 // indirect
+	golang.org/x/text v0.28.0 // indirect
 )
diff --git a/go.sum b/go.sum
index 3ce2459..58860a7 100644
--- a/go.sum
+++ b/go.sum
@@ -1,21 +1,108 @@
+github.com/atotto/clipboard v0.1.4 h1:EH0zSVneZPSuFR11BlR9YppQTVDbh5+16AmcJi4g1z4=
+github.com/atotto/clipboard v0.1.4/go.mod h1:ZY9tmq7sm5xIbd9bOK4onWV4S6X0u6GY7Vn0Yu86PYI=
+github.com/aymanbagabas/go-osc52/v2 v2.0.1 h1:HwpRHbFMcZLEVr42D4p7XBqjyuxQH5SMiErDT4WkJ2k=
+github.com/aymanbagabas/go-osc52/v2 v2.0.1/go.mod h1:uYgXzlJ7ZpABp8OJ+exZzJJhRNQ2ASbcXHWsFqH8hp8=
+github.com/charmbracelet/bubbles v1.0.0 h1:12J8/ak/uCZEMQ6KU7pcfwceyjLlWsDLAxB5fXonfvc=
+github.com/charmbracelet/bubbles v1.0.0/go.mod h1:9d/Zd5GdnauMI5ivUIVisuEm3ave1XwXtD1ckyV6r3E=
+github.com/charmbracelet/bubbletea v1.3.10 h1:otUDHWMMzQSB0Pkc87rm691KZ3SWa4KUlvF9nRvCICw=
+github.com/charmbracelet/bubbletea v1.3.10/go.mod h1:ORQfo0fk8U+po9VaNvnV95UPWA1BitP1E0N6xJPlHr4=
+github.com/charmbracelet/colorprofile v0.4.1 h1:a1lO03qTrSIRaK8c3JRxJDZOvhvIeSco3ej+ngLk1kk=
+github.com/charmbracelet/colorprofile v0.4.1/go.mod h1:U1d9Dljmdf9DLegaJ0nGZNJvoXAhayhmidOdcBwAvKk=
+github.com/charmbracelet/lipgloss v1.1.0 h1:vYXsiLHVkK7fp74RkV7b2kq9+zDLoEU4MZoFqR/noCY=
+github.com/charmbracelet/lipgloss v1.1.0/go.mod h1:/6Q8FR2o+kj8rz4Dq0zQc3vYf7X+B0binUUBwA0aL30=
+github.com/charmbracelet/x/ansi v0.11.6 h1:GhV21SiDz/45W9AnV2R61xZMRri5NlLnl6CVF7ihZW8=
+github.com/charmbracelet/x/ansi v0.11.6/go.mod h1:2JNYLgQUsyqaiLovhU2Rv/pb8r6ydXKS3NIttu3VGZQ=
+github.com/charmbracelet/x/cellbuf v0.0.15 h1:ur3pZy0o6z/R7EylET877CBxaiE1Sp1GMxoFPAIztPI=
+github.com/charmbracelet/x/cellbuf v0.0.15/go.mod h1:J1YVbR7MUuEGIFPCaaZ96KDl5NoS0DAWkskup+mOY+Q=
+github.com/charmbracelet/x/term v0.2.2 h1:xVRT/S2ZcKdhhOuSP4t5cLi5o+JxklsoEObBSgfgZRk=
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+github.com/clipperhouse/stringish v0.1.1 h1:+NSqMOr3GR6k1FdRhhnXrLfztGzuG+VuFDfatpWHKCs=
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 github.com/cpuguy83/go-md2man/v2 v2.0.6/go.mod h1:oOW0eioCTA6cOiMLiUPZOpcVxMig6NIQQ7OS05n1F4g=
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 github.com/fatih/color v1.18.0 h1:S8gINlzdQ840/4pfAwic/ZE0djQEH3wM94VfqLTZcOM=
 github.com/fatih/color v1.18.0/go.mod h1:4FelSpRwEGDpQ12mAdzqdOukCy4u8WUtOY6lkT/6HfU=
+github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHkI4W8=
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+github.com/fsnotify/fsnotify v1.9.0 h1:2Ml+OJNzbYCTzsxtv8vKSFD9PbJjmhYF14k/jKC7S9k=
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 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
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 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.25.0 h1:r+8e+loiHxRqhXVl6ML1nO3l1+oFoWbnlu2Ehimmi34=
-golang.org/x/sys v0.25.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.38.0 h1:3yZWxaJjBmCWXqhN1qh02AkOnCQ1poK6oF+a7xWL6Gc=
+golang.org/x/sys v0.38.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/text v0.28.0 h1:rhazDwis8INMIwQ4tpjLDzUhx6RlXqZNPEM0huQojng=
+golang.org/x/text v0.28.0/go.mod h1:U8nCwOR8jO/marOQ0QbDiOngZVEBB7MAiitBuMjXiNU=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/internal/git/helper.go b/internal/git/helper.go
index 170a598..d243855 100644
--- a/internal/git/helper.go
+++ b/internal/git/helper.go
@@ -6,7 +6,7 @@ import (
 )
 
 func Run(args []string) string {
-	out, _ := exec.Command("git", args...).Output()
+	out, _ := exec.Command("git", args...).CombinedOutput()
 	return strings.TrimSpace(string(out))
 }
 
diff --git a/internal/grok/client.go b/internal/grok/client.go
index 0d9862a..0ad6d43 100644
--- a/internal/grok/client.go
+++ b/internal/grok/client.go
@@ -5,7 +5,7 @@ import (
 	"bytes"
 	"encoding/json"
 	"fmt"
-	_ "io"
+	"io"
 	"net/http"
 	"os"
 	"strings"
@@ -46,7 +46,16 @@ func (c *Client) Stream(messages []map[string]string, model string) string {
 
 	resp, err := http.DefaultClient.Do(req)
 	if err != nil {
-		color.Red("Error: %v", err)
+		color.Red("Request failed: %v", err)
+		os.Exit(1)
+	}
+	if resp.StatusCode != http.StatusOK {
+		bodyBytes, readErr := io.ReadAll(resp.Body)
+		if readErr != nil {
+			color.Red("Failed to read response body: %v", readErr)
+		}
+		color.Red("API failed with status %d: %s", resp.StatusCode, string(bodyBytes))
+		resp.Body.Close()
 		os.Exit(1)
 	}
 	defer resp.Body.Close()
@@ -76,3 +85,54 @@ func (c *Client) Stream(messages []map[string]string, model string) string {
 	fmt.Println()
 	return fullReply.String()
 }
+
+func (c *Client) StreamChan(messages []map[string]string, model string) <-chan string {
+	ch := make(chan string, 100)
+	go func() {
+		defer close(ch)
+		url := c.BaseURL + "/chat/completions"
+		payload := map[string]interface{}{
+			"model":       model,
+			"messages":    messages,
+			"temperature": 0.7,
+			"stream":      true,
+		}
+		body, _ := json.Marshal(payload)
+		req, _ := http.NewRequest("POST", url, bytes.NewReader(body))
+		req.Header.Set("Authorization", "Bearer "+c.APIKey)
+		req.Header.Set("Content-Type", "application/json")
+		resp, err := http.DefaultClient.Do(req)
+		if err != nil {
+			color.Red("Request failed: %v", err)
+			return
+		}
+		defer resp.Body.Close()
+		if resp.StatusCode != http.StatusOK {
+			bodyBytes, _ := io.ReadAll(resp.Body)
+			color.Red("API failed with status %d: %s", resp.StatusCode, string(bodyBytes))
+			return
+		}
+		scanner := bufio.NewScanner(resp.Body)
+		for scanner.Scan() {
+			line := scanner.Text()
+			if strings.HasPrefix(line, "data: ") {
+				data := line[6:]
+				if data == "[DONE]" {
+					break
+				}
+				var chunk map[string]interface{}
+				if json.Unmarshal([]byte(data), &chunk) != nil {
+					continue
+				}
+				if choices, ok := chunk["choices"].([]interface{}); ok && len(choices) > 0 {
+					if delta, ok := choices[0].(map[string]interface{})["delta"].(map[string]interface{}); ok {
+						if content, ok := delta["content"].(string); ok && content != "" {
+							ch <- content
+						}
+					}
+				}
+			}
+		}
+	}()
+	return ch
+}