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ctxmgr

package

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Versions in this module

v1

v1.10.0

Jun 5, 2026

v1.10.0-rc.1

Jun 4, 2026

v1.9.1

Apr 14, 2026

v1.9.0

Apr 14, 2026

v1.8.4

Apr 6, 2026

v1.8.3

Apr 5, 2026

v1.8.2

Apr 4, 2026

v1.8.0

Apr 3, 2026

v1.7.0

Apr 1, 2026

Changes in this version

+ const DefaultMaxToolResultBytes

+ var ModelLimits = map[string]int

+ func CapToolResult(result string, maxBytes int, sessionID, toolCallID, baseDir string) (capped string, wasCapped bool, err error)

+ func CompactSnip(text string, maxBytes int) string

+ func EstimateSummarySavings(messages []ChatMessage, count int) (before, after int)

+ func EstimateTokens(text string) int

+ func FormatCompactionResult(r CompactionResult) string

+ func FormatTokenCount(tokens int) string

+ func GetModelLimit(model string) int

+ func GetModelLimitWithOverride(model string, configOverride int) int

+ func ToolResultsBaseDir() (string, error)

+ type ChatMessage struct

+ Content string

+ Name string

+ Role string

+ Timestamp time.Time

+ ToolCallID string

+ type CompactionEngine struct

+ RecentTurnsToKeep int

+ func NewCompactionEngine(summarizer Summarizer) *CompactionEngine

+ func (ce *CompactionEngine) CompactProactive(ctx context.Context, messages []ChatMessage, budget *TokenBudget) ([]ChatMessage, CompactionResult, error)

+ func (ce *CompactionEngine) CompactReactive(ctx context.Context, messages []ChatMessage, budget *TokenBudget) ([]ChatMessage, CompactionResult, error)

+ type CompactionResult struct

+ MessagesAfter int

+ MessagesBefore int

+ TokensAfter int

+ TokensBefore int

+ TurnsCompacted int

+ type LLMClient interface

+ SendSummarizationRequest func(ctx context.Context, systemPrompt, userPrompt string) (string, error)

+ type LLMSummarizer struct

+ func NewLLMSummarizer(client LLMClient) *LLMSummarizer

+ func (s *LLMSummarizer) Summarize(ctx context.Context, messages []ChatMessage) (string, error)

+ type Summarizer interface

+ Summarize func(ctx context.Context, messages []ChatMessage) (string, error)

+ type TokenBudget struct

+ CompactCount int

+ HistoryTokens int

+ LastCompTokens int

+ LastPromptTokens int

+ ModelLimit int

+ SystemPromptTokens int

+ ToolDefinitionTokens int

+ TurnCount int

+ func NewTokenBudget(modelLimit, systemPromptTokens, toolDefTokens int) *TokenBudget

+ func NewTokenBudgetForModel(model string, systemPromptTokens, toolDefTokens int) *TokenBudget

+ func (tb *TokenBudget) AddTurn(promptTokens, completionTokens int)

+ func (tb *TokenBudget) Available() int

+ func (tb *TokenBudget) GetUsagePercent() float64

+ func (tb *TokenBudget) GetWarningLevel() string

+ func (tb *TokenBudget) IncrementCompactCount()

+ func (tb *TokenBudget) SetHistoryTokens(tokens int)

+ func (tb *TokenBudget) ShouldCompactProactive(interval int) bool

+ func (tb *TokenBudget) ShouldCompactReactive() bool

+ func (tb *TokenBudget) Summary() string

+ func (tb *TokenBudget) TotalUsed() int