feat: 添加启动页面

internal/tui/core/app/app.go

@@ -150,9 +150,14 @@ type appRuntimeState struct {
 		endCol    int
 	}
 
-	footerErrorLast  string
-	footerErrorText  string
-	footerErrorUntil time.Time
+	footerErrorLast    string
+	footerErrorText    string
+	footerErrorUntil   time.Time
+	startupVisible     bool
+	startupTick        int
+	startupTypingIndex int
+	startupCursorOn    bool
+	startupPulsePhase  float64
 }
 
 type pendingImageAttachment struct {

internal/tui/core/app/keymap.go

@@ -3,23 +3,24 @@ package tui
 import "github.com/charmbracelet/bubbles/key"
 
 type keyMap struct {
-	Send        key.Binding
-	Newline     key.Binding
-	CancelAgent key.Binding
-	NewSession  key.Binding
-	NextPanel   key.Binding
-	PrevPanel   key.Binding
-	FocusInput  key.Binding
-	ToggleHelp  key.Binding
-	Quit        key.Binding
-	ScrollUp    key.Binding
-	ScrollDown  key.Binding
-	PageUp      key.Binding
-	PageDown    key.Binding
-	Top         key.Binding
-	Bottom      key.Binding
-	PasteImage  key.Binding
-	LogViewer   key.Binding
+	Send          key.Binding
+	Newline       key.Binding
+	CancelAgent   key.Binding
+	NewSession    key.Binding
+	OpenWorkspace key.Binding
+	NextPanel     key.Binding
+	PrevPanel     key.Binding
+	FocusInput    key.Binding
+	ToggleHelp    key.Binding
+	Quit          key.Binding
+	ScrollUp      key.Binding
+	ScrollDown    key.Binding
+	PageUp        key.Binding
+	PageDown      key.Binding
+	Top           key.Binding
+	Bottom        key.Binding
+	PasteImage    key.Binding
+	LogViewer     key.Binding
 }
 
 func newKeyMap() keyMap {
@@ -40,6 +41,10 @@ func newKeyMap() keyMap {
 			key.WithKeys("ctrl+n"),
 			key.WithHelp("Ctrl+N", "New session"),
 		),
+		OpenWorkspace: key.NewBinding(
+			key.WithKeys("ctrl+o"),
+			key.WithHelp("Ctrl+O", "Workspace"),
+		),
 		NextPanel: key.NewBinding(
 			key.WithKeys("tab"),
 			key.WithHelp("Tab", "Next panel"),
@@ -102,6 +107,7 @@ func (k keyMap) ShortHelp() []key.Binding {
 func (k keyMap) FullHelp() [][]key.Binding {
 	return [][]key.Binding{
 		{k.Send, k.Newline, k.CancelAgent, k.NewSession},
+		{k.OpenWorkspace},
 		{k.FocusInput, k.NextPanel, k.PrevPanel},
 		{k.ToggleHelp, k.Quit, k.PasteImage, k.ScrollUp},
 		{k.PageUp, k.PageDown, k.Top, k.Bottom},

internal/tui/core/app/keymap_test.go

@@ -30,3 +30,16 @@ func TestFullHelpIncludesLogViewer(t *testing.T) {
 		t.Fatalf("expected full help to include log viewer binding")
 	}
 }
+
+func TestFullHelpIncludesOpenWorkspace(t *testing.T) {
+	keys := newKeyMap()
+	help := keys.FullHelp()
+	for _, row := range help {
+		for _, binding := range row {
+			if binding.Help().Key == keys.OpenWorkspace.Help().Key {
+				return
+			}
+		}
+	}
+	t.Fatalf("expected full help to include open workspace binding")
+}

internal/tui/core/app/styles.go

@@ -4,6 +4,7 @@ import (
 	"strings"
 
 	"github.com/charmbracelet/lipgloss"
+	"github.com/muesli/termenv"
 )
 
 const (
@@ -36,6 +37,16 @@ const (
 
 	borderDark  = "#3d3654"
 	borderLight = "#4a4268"
+
+	startupBackgroundColor = "#000000"
+	startupLogoBaseColor   = "#f3f4f6"
+	startupMetaColor       = "#6b7280"
+	startupHeaderColor     = "#4b5563"
+	startupMenuActionColor = "#9ca3af"
+	startupKeyCapBGColor   = "#1a1a1a"
+	startupDividerColor    = "#1f2937"
+	startupPromptColor     = "#bd93f9"
+	startupFooterColor     = "#4b5563"
 )
 
 type styles struct {
@@ -83,9 +94,28 @@ type styles struct {
 	badgeWarning      lipgloss.Style
 	badgeError        lipgloss.Style
 	badgeMuted        lipgloss.Style
+	startupRoot       lipgloss.Style
+	startupHeader     lipgloss.Style
+	startupBrand      lipgloss.Style
+	startupHeaderMeta lipgloss.Style
+	startupSeparator  lipgloss.Style
+	startupLogo       lipgloss.Style
+	startupSubtitle   lipgloss.Style
+	startupMenu       lipgloss.Style
+	startupMenuItem   lipgloss.Style
+	startupKeyCap     lipgloss.Style
+	startupMenuAction lipgloss.Style
+	startupInput      lipgloss.Style
+	startupDivider    lipgloss.Style
+	startupPrompt     lipgloss.Style
+	startupTyping     lipgloss.Style
+	startupCursor     lipgloss.Style
+	startupFooter     lipgloss.Style
 }
 
 func newStyles() styles {
+	lipgloss.SetColorProfile(termenv.TrueColor)
+
 	headerAccent := lipgloss.AdaptiveColor{Light: coralAccent, Dark: purpleLight}
 
 	panel := lipgloss.NewStyle().
@@ -96,7 +126,7 @@ func newStyles() styles {
 	return styles{
 		doc: lipgloss.NewStyle().
 			Padding(1, 2, 0, 2).
-			UnsetBackground(),
+			Background(lipgloss.Color(startupBackgroundColor)),
 		headerBar: lipgloss.NewStyle().
 			UnsetBackground(),
 		headerBrand: lipgloss.NewStyle().
@@ -206,6 +236,46 @@ func newStyles() styles {
 		badgeWarning: badge("", warningYellow),
 		badgeError:   badge("", errorRed),
 		badgeMuted:   badge("", stoneGray),
+		startupRoot: lipgloss.NewStyle().
+			UnsetBackground(),
+		startupHeader: lipgloss.NewStyle().
+			Foreground(lipgloss.Color(startupHeaderColor)),
+		startupBrand: lipgloss.NewStyle().
+			Foreground(lipgloss.Color(startupHeaderColor)).
+			Bold(true),
+		startupHeaderMeta: lipgloss.NewStyle().
+			Foreground(lipgloss.Color(startupHeaderColor)),
+		startupSeparator: lipgloss.NewStyle().
+			Foreground(lipgloss.Color(startupHeaderColor)),
+		startupLogo: lipgloss.NewStyle().
+			Foreground(lipgloss.Color(startupLogoBaseColor)).
+			Bold(true),
+		startupSubtitle: lipgloss.NewStyle().
+			Foreground(lipgloss.Color(startupMetaColor)).
+			Align(lipgloss.Center),
+		startupMenu:     lipgloss.NewStyle(),
+		startupMenuItem: lipgloss.NewStyle(),
+		startupKeyCap: lipgloss.NewStyle().
+			Foreground(lipgloss.Color("#ffffff")).
+			Background(lipgloss.Color(startupKeyCapBGColor)).
+			Padding(0, 1),
+		startupMenuAction: lipgloss.NewStyle().
+			Foreground(lipgloss.Color(startupMenuActionColor)),
+		startupInput: lipgloss.NewStyle(),
+		startupDivider: lipgloss.NewStyle().
+			Foreground(lipgloss.Color(startupDividerColor)),
+		startupPrompt: lipgloss.NewStyle().
+			Foreground(lipgloss.Color(startupPromptColor)).
+			Bold(true),
+		startupTyping: lipgloss.NewStyle().
+			Foreground(lipgloss.Color(startupMetaColor)),
+		startupCursor: lipgloss.NewStyle().
+			Foreground(lipgloss.Color("#000000")).
+			Background(lipgloss.Color("#ffffff")).
+			Reverse(true),
+		startupFooter: lipgloss.NewStyle().
+			Foreground(lipgloss.Color(startupFooterColor)).
+			Align(lipgloss.Center),
 	}
 }
 

internal/tui/core/app/update.go

@@ -6,6 +6,7 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"math"
 	"path/filepath"
 	"strings"
 	"time"
@@ -51,6 +52,11 @@ const sessionSwitchBusyMessage = "cannot switch sessions while run or compact is
 const logViewerEntryLimit = 500
 const logViewerPersistDebounce = 300 * time.Millisecond
 const footerErrorFlashDuration = 8 * time.Second
+const startupAnimationTickInterval = 180 * time.Millisecond
+const startupTypingStartDelayTicks = 6
+const startupTypingStepTicks = 1
+const startupCursorBlinkStepTicks = 3
+const startupPulseStepTicks = 1
 
 type sessionLogPersistenceRuntime interface {
 	LoadSessionLogEntries(ctx context.Context, sessionID string) ([]tuiservices.SessionLogEntry, error)
@@ -294,6 +300,11 @@ func (a App) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			return a, tea.Batch(cmds...)
 		}
 	case tea.KeyMsg:
+		if a.startupVisible {
+			if model, cmd, handled := a.handleStartupKey(typed, cmds); handled {
+				return model, cmd
+			}
+		}
 		if key.Matches(typed, a.keys.Quit) {
 			return a, tea.Quit
 		}
@@ -353,6 +364,10 @@ func (a App) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			a.startDraftSession()
 			return a, tea.Batch(cmds...)
 		}
+		if key.Matches(typed, a.keys.OpenWorkspace) {
+			a.openFileBrowser()
+			return a, tea.Batch(cmds...)
+		}
 
 		if key.Matches(typed, a.keys.PasteImage) {
 			if err := a.addImageFromClipboard(); err != nil {
@@ -671,6 +686,96 @@ func (a App) now() time.Time {
 	return a.nowFn()
 }
 
+// startupAnimationTickCmd 发送启动页动画节拍消息，用于驱动呼吸灯与打字机效果。
+func startupAnimationTickCmd() tea.Cmd {
+	return tea.Tick(startupAnimationTickInterval, func(t time.Time) tea.Msg {
+		return tickMsg(t)
+	})
+}
+
+// advanceStartupAnimation 推进启动页动效状态，包括呼吸 phase、打字索引与光标闪烁。
+func (a *App) advanceStartupAnimation() {
+	if !a.startupVisible {
+		return
+	}
+	a.startupTick++
+
+	if startupPulseStepTicks > 0 && a.startupTick%startupPulseStepTicks == 0 {
+		if startupBreathCycleTicks > 0 {
+			step := 2 * math.Pi / float64(startupBreathCycleTicks)
+			a.startupPulsePhase += step
+			if a.startupPulsePhase >= 2*math.Pi {
+				a.startupPulsePhase -= 2 * math.Pi
+			}
+		}
+	}
+	if startupCursorBlinkStepTicks > 0 && a.startupTick%startupCursorBlinkStepTicks == 0 {
+		a.startupCursorOn = !a.startupCursorOn
+	}
+	if a.startupTick < startupTypingStartDelayTicks {
+		return
+	}
+	if startupTypingStepTicks > 0 && a.startupTick%startupTypingStepTicks != 0 {
+		return
+	}
+	maxChars := len([]rune(startupTypingPlaceholder))
+	if a.startupTypingIndex < maxChars {
+		a.startupTypingIndex++
+	}
+}
+
+// dismissStartup 隐藏启动页并恢复输入焦点，确保后续按键进入主流程处理。
+func (a *App) dismissStartup() {
+	if !a.startupVisible {
+		return
+	}
+	a.startupVisible = false
+	a.focus = panelInput
+	a.applyFocus()
+	a.applyComponentLayout(false)
+}
+
+// handleStartupKey 处理启动页专属按键网关，必要时切换到主线输入流程。
+func (a App) handleStartupKey(typed tea.KeyMsg, cmds []tea.Cmd) (tea.Model, tea.Cmd, bool) {
+	switch {
+	case key.Matches(typed, a.keys.NewSession):
+		a.dismissStartup()
+		a.startDraftSession()
+		return a, tea.Batch(cmds...), true
+	case key.Matches(typed, a.keys.OpenWorkspace):
+		a.dismissStartup()
+		a.openFileBrowser()
+		return a, tea.Batch(cmds...), true
+	case typed.Type == tea.KeyRunes && len(typed.Runes) == 1 && typed.Runes[0] == '/':
+		a.dismissStartup()
+		a.input.SetValue("/")
+		a.state.InputText = a.input.Value()
+		a.refreshCommandMenu()
+		a.applyComponentLayout(false)
+		return a, tea.Batch(cmds...), true
+	case key.Matches(typed, a.keys.FocusInput):
+		return a, tea.Quit, true
+	case key.Matches(typed, a.keys.Quit):
+		return a, tea.Quit, true
+	case isStartupRegularInput(typed):
+		a.dismissStartup()
+		model, cmd := a.updateInputPanel(typed, typed, cmds)
+		return model, cmd, true
+	default:
+		return a, tea.Batch(cmds...), true
+	}
+}
+
+// isStartupRegularInput 判断按键是否属于可直接落入输入框的常规字符输入。
+func isStartupRegularInput(msg tea.KeyMsg) bool {
+	switch msg.Type {
+	case tea.KeyRunes, tea.KeySpace:
+		return true
+	default:
+		return false
+	}
+}
+
 type logPersistFlushMsg struct {
 	Version int
 }
@@ -2671,6 +2776,7 @@ func (a App) currentStatusSnapshot() tuistatus.Snapshot {
 }
 
 func (a *App) startDraftSession() {
+	a.dismissStartup()
 	a.setActiveSessionID("")
 	a.startupScreenLocked = true
 	a.startupIntroActive = false