web

type AgentEventInfo struct {
	Kind   string `json:"kind"`
	Pane   string `json:"pane"`
	BeadID string `json:"bead_id,omitempty"`
	Detail string `json:"detail"`
	Time   string `json:"time"` // RFC 3339
}

type EventProvider interface {
	SubscribeEvents(id string) chan AgentEventInfo
	UnsubscribeEvents(id string)
}

type LayoutInfo struct {
	Mode    string `json:"mode"` // "focus", "grid", "2col", or "live"
	Cols    int    `json:"cols"`
	Rows    int    `json:"rows"`
	Focused string `json:"focused"` // Pane name.
}

type LiveInfo struct {
	Pinned map[string]int `json:"pinned"` // Agent name -> slot index (0-based).
	Slots  []string       `json:"slots"`  // Current agent name per slot.
}

type PaneInfo struct {
	Name     string `json:"name"`
	Host     string `json:"host,omitempty"`
	Activity string `json:"activity"`
	Alive    bool   `json:"alive"`
	Visible  bool   `json:"visible"`
}

type PaneLister interface {
	AllPanes() ([]PaneInfo, bool)
}

type PaneState struct {
	Name     string `json:"name"`
	Activity string `json:"activity"`
	Alive    bool   `json:"alive"`
	Visible  bool   `json:"visible"`
	Pinned   bool   `json:"pinned,omitempty"` // True if pinned in live mode.
	BeadID   string `json:"bead_id,omitempty"`
	Order    int    `json:"order"`
	Cols     int    `json:"cols"` // Terminal width in columns (from VT emulator).
	Rows     int    `json:"rows"` // Terminal height in rows (from VT emulator).
}

type PaneSubscriber interface {
	// SubscribePane registers a subscriber for the named pane's PTY output.
	// Returns a channel of byte slices and true if the pane exists, or
	// nil and false if the pane is not found.
	SubscribePane(paneName, subscriberID string) (chan []byte, bool)

	// UnsubscribePane removes a subscriber. Safe to call if the pane or
	// subscriber does not exist.
	UnsubscribePane(paneName, subscriberID string)
}

type PaneWriter interface {
	// WriteToPTY writes data to the named pane's PTY master. Returns an error
	// if the pane is not found or dead. Safe for concurrent use.
	WriteToPTY(paneName string, data []byte) error
}

type PinToggler interface {
	TogglePin(paneName string) (pinned bool, ok bool)
}

type Server struct {
	// contains filtered or unexported fields
}

type StateProvider interface {
	CurrentState() (StateSnapshot, bool)
}

type StateSnapshot struct {
	Project string      `json:"project,omitempty"`
	Layout  LayoutInfo  `json:"layout"`
	Panes   []PaneState `json:"panes"`
	Live    *LiveInfo   `json:"live,omitempty"` // Non-nil only in live mode.
}