compact

type Candidate struct {
	ToolCallID string
	Name       string
	Args       map[string]any
	Content    string
	Tokens     int
}

type Edit struct {
	ToolCallID string
	Name       string
	Content    string // replacement shown to the model
	Original   string // full body, for spilling
	Tokens     int    // estimated tokens saved
	Superseded bool
}

type Meter struct {
	// Overhead is the system prompt and tool schemas, in estimated tokens.
	Overhead int
	// contains filtered or unexported fields
}

type Options struct {
	// Window is the model's context window in tokens.
	Window int
	// Used is the best known current usage (system prompt, tools and
	// history). When zero, the history estimate is used.
	Used int
	// Overhead is the fixed prefix (system prompt, tool schemas) inside
	// Used. The prune decides on ThresholdFor(Window, Overhead), so on a
	// window the prefix crowds it aims at the history's room (L2). 0 keeps
	// Threshold(Window).
	Overhead int
	// Force prunes even below the threshold and below the minimum saving:
	// the reactive path after a context-overflow error, and /context compact.
	Force bool
	// Unseen is how many trailing messages the model has not been shown
	// yet (new tool results; see Meter). A proactive prune never edits
	// them: eliding a result before its first read makes the model recall
	// it, and the recall gets elided in turn (#234). Force ignores it.
	Unseen int
	// Score, when set, rates how likely each elision candidate is still
	// needed (0..1); the least-needed are elided first. A nil or empty
	// result keeps the default oldest-first order (#175).
	Score func([]Candidate) map[string]float64
}

type Result struct {
	Edits       []Edit
	SavedTokens int
	Superseded  int
	Elided      int
}

type Store struct {
	Dir string
}

type SummarizeFunc func(ctx context.Context, system, user string) (string, error)

type SummaryOptions struct {
	// KeepTokens of the newest history stay verbatim; 0 means
	// KeepWithin(Window, Overhead).
	KeepTokens int
	// Window is the model's context window; it sizes the kept tail when
	// KeepTokens is 0 (#234).
	Window int
	// Focus is an optional instruction from /compact [focus].
	Focus string
	// All summarizes the whole history, keeping no tail (/handoff).
	All bool
	// Overhead is the fixed prefix (system prompt, tool schemas) the
	// requests carry; on a crowded window it shrinks the kept tail
	// (KeepWithin). 0 keeps KeepFor(Window).
	Overhead int
	// State is RenderState's output, appended inside the summary's
	// <compacted-context> (#200). "" adds nothing.
	State string
}

type SummaryResult struct {
	// Cut is how many leading messages the summary replaced.
	Cut           int
	Summary       string
	TokensBefore  int
	TokensAfter   int
	HadPrevious   bool
	MessagesAfter int
}

type Todo struct {
	ID     int
	Title  string
	Status string // pending, in_progress, done
}

type ToolFit struct {
	Defs    []tui.SkillDefinition // the definitions to send
	Total   int                   // the definitions offered before fitting
	Dropped int                   // Total - len(Defs)
	Reduced bool                  // the set was trimmed and shortened
	// PinnedDropped counts tools find_tools activated that were dropped
	// to fit (the oldest activations first).
	PinnedDropped int
}

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