session

type Activity struct {
	// Action is the type of activity (e.g. "editing", "running", "reading", "searching", "working").
	Action string
	// Detail provides additional context (e.g. filename or command).
	Detail string
	// Timestamp is when this activity was detected.
	Timestamp time.Time
}

type DiffStatsData struct {
	Added   int    `json:"added"`
	Removed int    `json:"removed"`
	Content string `json:"content"`
}

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

type GitWorktreeData struct {
	RepoPath      string `json:"repo_path"`
	WorktreePath  string `json:"worktree_path"`
	SessionName   string `json:"session_name"`
	BranchName    string `json:"branch_name"`
	BaseCommitSHA string `json:"base_commit_sha"`
}

type Instance struct {
	// Title is the title of the instance.
	Title string
	// Path is the path to the workspace.
	Path string
	// Branch is the branch of the instance.
	Branch string
	// Status is the status of the instance.
	Status Status
	// Program is the program to run in the instance.
	Program string
	// Height is the height of the instance.
	Height int
	// Width is the width of the instance.
	Width int
	// CreatedAt is the time the instance was created.
	CreatedAt time.Time
	// UpdatedAt is the time the instance was last updated.
	UpdatedAt time.Time
	// AutoYes is true if the instance should automatically press enter when prompted.
	AutoYes bool
	// SkipPermissions is true if the instance should run Claude with --dangerously-skip-permissions.
	SkipPermissions bool
	// TopicName is the name of the topic this instance belongs to (empty = ungrouped).
	TopicName string
	// Role is the agent's role (coder, reviewer, architect, tester, etc.).
	// Set when created via brain action. Empty for manually created instances.
	Role string
	// ParentTitle is the title of the agent that spawned this instance via brain create_instance.
	// Empty for manually created (top-level) instances.
	ParentTitle string
	// SetupScript is an optional shell command to run once after the worktree is ready.
	SetupScript string
	// InitialPrompt is passed to Claude Code via `-p` flag at startup (ephemeral, not persisted).
	InitialPrompt string

	// AutomationID is set when this instance was spawned by an automation.
	// Empty for manually-created instances.
	AutomationID string
	// BrainChildCount is the number of brain-spawned child instances (set by TUI, not persisted).
	BrainChildCount int

	// LoadingStage tracks the current startup progress. Exported so the UI can read it.
	LoadingStage int
	// LoadingTotal is the total number of startup stages.
	LoadingTotal int
	// LoadingMessage describes the current loading step.
	LoadingMessage string

	// Notified is true when the instance finished (Running→Ready) and the user
	// hasn't selected it yet. Cleared when the user selects this instance.
	Notified bool

	// LastActiveAt is set whenever the instance is marked as Running.
	LastActiveAt time.Time

	// PromptDetected is true when the instance's program is waiting for user input.
	// Reset to false when the instance resumes running. Used by the sidebar to
	// persistently show a running indicator without flickering.
	PromptDetected bool

	// CPUPercent is the current CPU usage of the instance's process tree.
	CPUPercent float64
	// MemMB is the current memory usage in megabytes (aggregated across process tree).
	MemMB float64

	// SubAgentCount is the number of detected sub-agent processes (e.g. spawned Claude Code tasks).
	SubAgentCount int
	// SubAgents holds details of each detected sub-agent process.
	SubAgents []SubAgentInfo

	// LastActivity is the most recently detected agent activity (ephemeral, not persisted).
	LastActivity *Activity
	// contains filtered or unexported fields
}

type InstanceData struct {
	Title           string          `json:"title"`
	Path            string          `json:"path"`
	Branch          string          `json:"branch"`
	Status          Status          `json:"status"`
	Height          int             `json:"height"`
	Width           int             `json:"width"`
	CreatedAt       time.Time       `json:"created_at"`
	UpdatedAt       time.Time       `json:"updated_at"`
	AutoYes         bool            `json:"auto_yes"`
	SkipPermissions bool            `json:"skip_permissions"`
	TopicName       string          `json:"topic_name,omitempty"`
	Role            string          `json:"role,omitempty"`
	ParentTitle     string          `json:"parent_title,omitempty"`
	AutomationID    string          `json:"automation_id,omitempty"`
	Program         string          `json:"program"`
	Worktree        GitWorktreeData `json:"worktree"`
	DiffStats       DiffStatsData   `json:"diff_stats"`
}

type InstanceOptions struct {
	// Title is the title of the instance.
	Title string
	// Path is the path to the workspace.
	Path string
	// Program is the program to run in the instance (e.g. "claude", "aider --model ollama_chat/gemma3:1b")
	Program string
	// If AutoYes is true, then
	AutoYes bool
	// SkipPermissions enables --dangerously-skip-permissions for Claude instances.
	SkipPermissions bool
	// TopicName assigns this instance to a topic.
	TopicName string
	// Role is the agent's role (coder, reviewer, architect, tester, etc.).
	Role string
	// ParentTitle is the title of the parent agent that spawned this instance.
	ParentTitle string
	// AutomationID links this instance to the automation that spawned it.
	AutomationID string
	// SetupScript is an optional shell command to run before the agent starts.
	// It runs in the instance's worktree directory.
	SetupScript string
	// InitialPrompt is passed to Claude Code via `-p` flag at startup.
	// This is more reliable than injecting text after the agent starts.
	InitialPrompt string
}

type Status int

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

type SubAgentInfo struct {
	PID      int
	Name     string  // process name (e.g. "node")
	Activity string  // what the sub-agent is doing (e.g. "running git diff", "thinking")
	CPU      float64 // CPU% for this sub-agent's process tree
	MemMB    float64 // memory in MB for this sub-agent's process tree
}

type Topic struct {
	Name         string
	WorktreeMode TopicWorktreeMode
	AutoYes      bool
	Branch       string
	Path         string
	CreatedAt    time.Time
	Notes        string
	Tasks        []TopicTask
	// contains filtered or unexported fields
}

type TopicData struct {
	Name         string            `json:"name"`
	WorktreeMode TopicWorktreeMode `json:"worktree_mode,omitempty"`
	// SharedWorktree is kept for backwards-compatible JSON deserialization.
	// New writes use WorktreeMode instead.
	SharedWorktree bool            `json:"shared_worktree,omitempty"`
	AutoYes        bool            `json:"auto_yes"`
	Branch         string          `json:"branch,omitempty"`
	Path           string          `json:"path"`
	CreatedAt      time.Time       `json:"created_at"`
	Worktree       GitWorktreeData `json:"worktree,omitempty"`
	Notes          string          `json:"notes,omitempty"`
	Tasks          []TopicTask     `json:"tasks,omitempty"`
}

type TopicOptions struct {
	Name         string
	WorktreeMode TopicWorktreeMode
	Path         string
}

type TopicTask struct {
	ID   string `json:"id"`
	Text string `json:"text"`
	Done bool   `json:"done"`
}

type TopicWorktreeMode string