feat(tui): Phase 8 多模态接入（图片/文件）+ Phase 9 会话切换（/session

go.mod

@@ -3,13 +3,13 @@ module neo-code
 go 1.25.0
 
 require (
-	github.com/atotto/clipboard v0.1.4
 	github.com/charmbracelet/bubbles v1.0.0
 	github.com/charmbracelet/bubbletea v1.3.10
 	github.com/charmbracelet/glamour v1.0.0
 	github.com/charmbracelet/lipgloss v1.1.1-0.20250404203927-76690c660834
 	github.com/spf13/cobra v1.10.2
 	github.com/spf13/viper v1.21.0
+	golang.design/x/clipboard v0.7.1
 	golang.org/x/net v0.52.0
 	golang.org/x/sys v0.42.0
 	gopkg.in/yaml.v3 v3.0.1
@@ -18,6 +18,7 @@ require (
 require (
 	github.com/Microsoft/go-winio v0.6.2 // indirect
 	github.com/alecthomas/chroma/v2 v2.20.0 // indirect
+	github.com/atotto/clipboard v0.1.4 // indirect
 	github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
 	github.com/aymerick/douceur v0.2.0 // indirect
 	github.com/charmbracelet/colorprofile v0.4.3 // indirect
@@ -57,6 +58,9 @@ require (
 	github.com/yuin/goldmark v1.7.13 // indirect
 	github.com/yuin/goldmark-emoji v1.0.6 // indirect
 	go.yaml.in/yaml/v3 v3.0.4 // indirect
+	golang.org/x/exp/shiny v0.0.0-20250606033433-dcc06ee1d476 // indirect
+	golang.org/x/image v0.28.0 // indirect
+	golang.org/x/mobile v0.0.0-20250606033058-a2a15c67f36f // indirect
 	golang.org/x/term v0.41.0 // indirect
 	golang.org/x/text v0.35.0 // indirect
 )

go.sum

@@ -130,8 +130,16 @@ github.com/yuin/goldmark-emoji v1.0.6 h1:QWfF2FYaXwL74tfGOW5izeiZepUDroDJfWubQI9
 github.com/yuin/goldmark-emoji v1.0.6/go.mod h1:ukxJDKFpdFb5x0a5HqbdlcKtebh086iJpI31LTKmWuA=
 go.yaml.in/yaml/v3 v3.0.4 h1:tfq32ie2Jv2UxXFdLJdh3jXuOzWiL1fo0bu/FbuKpbc=
 go.yaml.in/yaml/v3 v3.0.4/go.mod h1:DhzuOOF2ATzADvBadXxruRBLzYTpT36CKvDb3+aBEFg=
+golang.design/x/clipboard v0.7.1 h1:OEG3CmcYRBNnRwpDp7+uWLiZi3hrMRJpE9JkkkYtz2c=
+golang.design/x/clipboard v0.7.1/go.mod h1:i5SiIqj0wLFw9P/1D7vfILFK0KHMk7ydE72HRrUIgkg=
 golang.org/x/exp v0.0.0-20231006140011-7918f672742d h1:jtJma62tbqLibJ5sFQz8bKtEM8rJBtfilJ2qTU199MI=
 golang.org/x/exp v0.0.0-20231006140011-7918f672742d/go.mod h1:ldy0pHrwJyGW56pPQzzkH36rKxoZW1tw7ZJpeKx+hdo=
+golang.org/x/exp/shiny v0.0.0-20250606033433-dcc06ee1d476 h1:Wdx0vgH5Wgsw+lF//LJKmWOJBLWX6nprsMqnf99rYDE=
+golang.org/x/exp/shiny v0.0.0-20250606033433-dcc06ee1d476/go.mod h1:ygj7T6vSGhhm/9yTpOQQNvuAUFziTH7RUiH74EoE2C8=
+golang.org/x/image v0.28.0 h1:gdem5JW1OLS4FbkWgLO+7ZeFzYtL3xClb97GaUzYMFE=
+golang.org/x/image v0.28.0/go.mod h1:GUJYXtnGKEUgggyzh+Vxt+AviiCcyiwpsl8iQ8MvwGY=
+golang.org/x/mobile v0.0.0-20250606033058-a2a15c67f36f h1:/n+PL2HlfqeSiDCuhdBbRNlGS/g2fM4OHufalHaTVG8=
+golang.org/x/mobile v0.0.0-20250606033058-a2a15c67f36f/go.mod h1:ESkJ836Z6LpG6mTVAhA48LpfW/8fNR0ifStlH2axyfg=
 golang.org/x/net v0.52.0 h1:He/TN1l0e4mmR3QqHMT2Xab3Aj3L9qjbhRm78/6jrW0=
 golang.org/x/net v0.52.0/go.mod h1:R1MAz7uMZxVMualyPXb+VaqGSa3LIaUqk0eEt3w36Sw=
 golang.org/x/sys v0.0.0-20210809222454-d867a43fc93e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=

internal/runtime/errors_test.go

@@ -0,0 +1,43 @@
+package runtime
+
+import (
+	"bytes"
+	"context"
+	"errors"
+	"log"
+	"testing"
+
+	"neo-code/internal/provider"
+)
+
+func TestHandleRunErrorProviderErrorDoesNotWriteStdLog(t *testing.T) {
+	service := &Service{}
+	providerErr := &provider.ProviderError{
+		StatusCode: 401,
+		Code:       "auth_failed",
+		Message:    "Incorrect API key provided",
+		Retryable:  false,
+	}
+
+	var buf bytes.Buffer
+	oldWriter := log.Writer()
+	oldFlags := log.Flags()
+	oldPrefix := log.Prefix()
+	log.SetOutput(&buf)
+	log.SetFlags(0)
+	log.SetPrefix("")
+	t.Cleanup(func() {
+		log.SetOutput(oldWriter)
+		log.SetFlags(oldFlags)
+		log.SetPrefix(oldPrefix)
+	})
+
+	err := service.handleRunError(context.Background(), "run-1", "session-1", providerErr)
+	if !errors.Is(err, providerErr) {
+		t.Fatalf("expected provider error passthrough, got %v", err)
+	}
+	if got := buf.String(); got != "" {
+		t.Fatalf("expected no std log output, got %q", got)
+	}
+
+}

internal/runtime/run_lifecycle.go

@@ -3,7 +3,6 @@ package runtime
 import (
 	"context"
 	"errors"
-	"log"
 	"math/rand/v2"
 	"strings"
 	"time"
@@ -103,12 +102,6 @@ func (s *Service) handleRunError(ctx context.Context, runID string, sessionID st
 		return context.Canceled
 	}
 
-	var providerErr *provider.ProviderError
-	if errors.As(err, &providerErr) {
-		log.Printf("runtime: provider error (status=%d, code=%s, retryable=%v): %s",
-			providerErr.StatusCode, providerErr.Code, providerErr.Retryable, providerErr.Message)
-	}
-
 	return err
 }
 

internal/tui/core/app/app.go

@@ -26,7 +26,6 @@ import (
 type panel = tuistate.Panel
 
 const (
-	panelSessions   panel = tuistate.PanelSessions
 	panelTranscript panel = tuistate.PanelTranscript
 	panelActivity   panel = tuistate.PanelActivity
 	panelInput      panel = tuistate.PanelInput
@@ -38,6 +37,7 @@ const (
 	pickerNone     pickerMode = tuistate.PickerNone
 	pickerProvider pickerMode = tuistate.PickerProvider
 	pickerModel    pickerMode = tuistate.PickerModel
+	pickerSession  pickerMode = tuistate.PickerSession
 	pickerFile     pickerMode = tuistate.PickerFile
 	pickerHelp     pickerMode = tuistate.PickerHelp
 )
@@ -72,11 +72,11 @@ type appComponents struct {
 	keys             keyMap
 	help             help.Model
 	spinner          spinner.Model
-	sessions         list.Model
 	commandMenu      list.Model
 	commandMenuMeta  tuistate.CommandMenuMeta
 	providerPicker   list.Model
 	modelPicker      list.Model
+	sessionPicker    list.Model
 	helpPicker       list.Model
 	fileBrowser      filepicker.Model
 	progress         progress.Model
@@ -88,24 +88,38 @@ type appComponents struct {
 
 // appRuntimeState 聚合运行期易变字段，降低 App 顶层字段密度。
 type appRuntimeState struct {
-	codeCopyBlocks    map[int]string
-	pendingCopyID     int
-	deferredEventCmd  tea.Cmd
-	nowFn             func() time.Time
-	lastInputEditAt   time.Time
-	lastPasteLikeAt   time.Time
-	inputBurstStart   time.Time
-	inputBurstCount   int
-	pasteMode         bool
-	activeMessages    []providertypes.Message
-	activities        []tuistate.ActivityEntry
-	fileCandidates    []string
-	modelRefreshID    string
-	focus             panel
-	runProgressValue  float64
-	runProgressKnown  bool
-	runProgressLabel  string
-	pendingPermission *permissionPromptState
+	codeCopyBlocks           map[int]string
+	pendingCopyID            int
+	deferredEventCmd         tea.Cmd
+	nowFn                    func() time.Time
+	lastInputEditAt          time.Time
+	lastPasteLikeAt          time.Time
+	inputBurstStart          time.Time
+	inputBurstCount          int
+	pasteMode                bool
+	activeMessages           []providertypes.Message
+	activities               []tuistate.ActivityEntry
+	fileCandidates           []string
+	modelRefreshID           string
+	focus                    panel
+	runProgressValue         float64
+	runProgressKnown         bool
+	runProgressLabel         string
+	pendingPermission        *permissionPromptState
+	pendingImageAttachments  []pendingImageAttachment
+	currentModelCapabilities modelCapabilityState
+}
+
+type pendingImageAttachment struct {
+	Path     string
+	MimeType string
+	Size     int64
+	Name     string
+}
+
+type modelCapabilityState struct {
+	supportsImageInput bool
+	checked            bool
 }
 
 type App struct {
@@ -160,18 +174,6 @@ func newApp(container tuibootstrap.Container) (App, error) {
 		return App{}, err
 	}
 	keys := newKeyMap()
-	delegate := sessionDelegate{styles: uiStyles}
-	sessionList := list.New([]list.Item{}, delegate, 0, 0)
-	sessionList.Title = ""
-	sessionList.SetShowTitle(false)
-	sessionList.SetShowHelp(false)
-	sessionList.SetShowStatusBar(false)
-	sessionList.SetShowFilter(false)
-	sessionList.SetShowPagination(false)
-	sessionList.SetFilteringEnabled(true)
-	sessionList.DisableQuitKeybindings()
-	sessionList.FilterInput.Prompt = "Filter: "
-	sessionList.FilterInput.Placeholder = "Type to search sessions"
 
 	input := textarea.New()
 	input.Placeholder = "Ask NeoCode to inspect, edit, or build. Type / to browse commands."
@@ -237,10 +239,10 @@ func newApp(container tuibootstrap.Container) (App, error) {
 			keys:             keys,
 			help:             h,
 			spinner:          spin,
-			sessions:         sessionList,
 			commandMenu:      commandMenu,
 			providerPicker:   newSelectionPickerItems(nil),
 			modelPicker:      newSelectionPickerItems(nil),
+			sessionPicker:    newSelectionPickerItems(nil),
 			helpPicker:       newHelpPickerItems(nil),
 			fileBrowser:      fileBrowser,
 			progress:         progressBar,
@@ -259,15 +261,6 @@ func newApp(container tuibootstrap.Container) (App, error) {
 		styles: uiStyles,
 	}
 
-	if err := app.refreshSessions(); err != nil {
-		return App{}, err
-	}
-	if len(app.state.Sessions) > 0 {
-		app.state.ActiveSessionID = app.state.Sessions[0].ID
-		if err := app.refreshMessages(); err != nil {
-			return App{}, err
-		}
-	}
 	app.syncActiveSessionTitle()
 	app.syncConfigState(configManager.Get())
 	if err := app.refreshProviderPicker(); err != nil {

internal/tui/core/app/command_menu.go

@@ -86,6 +86,14 @@ type sessionItem struct {
 	Active  bool
 }
 
+func (s sessionItem) Title() string {
+	return s.Summary.Title
+}
+
+func (s sessionItem) Description() string {
+	return s.Summary.UpdatedAt.Format("01-02 15:04")
+}
+
 func (s sessionItem) FilterValue() string {
 	return strings.ToLower(s.Summary.Title)
 }

internal/tui/core/app/commands.go

@@ -25,6 +25,7 @@ const (
 	slashCommandStatus    = "/status"
 	slashCommandProvider  = "/provider"
 	slashCommandModelPick = "/model"
+	slashCommandSession   = "/session"
 	slashCommandCWD       = "/cwd"
 	slashCommandMemo      = "/memo"
 	slashCommandRemember  = "/remember"
@@ -37,6 +38,7 @@ const (
 	slashUsageStatus   = "/status"
 	slashUsageProvider = "/provider"
 	slashUsageModel    = "/model"
+	slashUsageSession  = "/session"
 	slashUsageWorkdir  = "/cwd"
 	slashUsageMemo     = "/memo"
 	slashUsageRemember = "/remember <text>"
@@ -47,6 +49,8 @@ const (
 	providerPickerSubtitle = "Up/Down choose, Enter confirm, Esc cancel"
 	modelPickerTitle       = "Select Model"
 	modelPickerSubtitle    = "Up/Down choose, Enter confirm, Esc cancel"
+	sessionPickerTitle     = "Select Session"
+	sessionPickerSubtitle  = "Up/Down choose, Enter confirm, Esc cancel"
 	helpPickerTitle        = "Slash Commands"
 	helpPickerSubtitle     = "Up/Down choose, Enter run, Esc cancel"
 	filePickerTitle        = "Browse Files"
@@ -76,6 +80,7 @@ const (
 	statusCompacting           = "Compacting context"
 	statusChooseProvider       = "Choose a provider"
 	statusChooseModel          = "Choose a model"
+	statusChooseSession        = "Choose a session"
 	statusChooseHelp           = "Choose a slash command"
 	statusBrowseFile           = "Browse workspace files"
 	statusPermissionRequired   = "Permission required: choose a decision and press Enter"
@@ -119,6 +124,7 @@ var builtinSlashCommands = []slashCommand{
 	{Usage: slashUsageForget, Description: "Remove memos matching keyword (/forget <keyword>)"},
 	{Usage: slashUsageProvider, Description: "Open the interactive provider picker"},
 	{Usage: slashUsageModel, Description: "Open the interactive model picker"},
+	{Usage: slashUsageSession, Description: "Switch to another session"},
 	{Usage: slashUsageExit, Description: "Exit NeoCode"},
 }