router

type Complexity int

type Config struct {
	Models       []Model // Available models
	DefaultModel string  // Fallback if no rules match
	LocalFirst   bool    // Prefer local models when possible
	MaxAuditLog  int     // How many decisions to keep in memory
}

type Decision struct {
	RequestID string    `json:"request_id"`
	Timestamp time.Time `json:"timestamp"`

	// Input analysis
	QueryLength    int        `json:"query_length"`
	ContextSize    int        `json:"context_size"`
	NeedsTools     bool       `json:"needs_tools"`
	Priority       string     `json:"priority"`
	DetectedIntent string     `json:"detected_intent,omitempty"`
	Complexity     Complexity `json:"complexity"`

	// Decision process
	RulesEvaluated []string       `json:"rules_evaluated"`
	RulesMatched   []string       `json:"rules_matched"`
	Scores         map[string]int `json:"scores,omitempty"`

	// Outcome
	ModelSelected string `json:"model_selected"`
	Reasoning     string `json:"reasoning"`

	// Post-execution (filled in later)
	LatencyMs  int64 `json:"latency_ms,omitempty"`
	TokensUsed int   `json:"tokens_used,omitempty"`
	Success    *bool `json:"success,omitempty"`
}

type Model struct {
	Name          string     // Model identifier (e.g., "qwen3:4b")
	Provider      string     // "ollama" or "anthropic" etc
	SupportsTools bool       // Can do tool calling
	ContextWindow int        // Max tokens
	Speed         int        // Relative speed (1-10, 10=fastest)
	Quality       int        // Relative quality (1-10, 10=best)
	CostTier      int        // 0=free/local, 1=cheap, 2=moderate, 3=expensive
	MinComplexity Complexity // Don't use for simpler than this
}

type Priority int

type Request struct {
	Query       string            // The user's input
	ContextSize int               // Estimated tokens of context (talents, history)
	NeedsTools  bool              // Whether tool calling is required
	ToolCount   int               // Number of tools available
	Priority    Priority          // Latency requirements
	Hints       map[string]string // Caller-supplied routing hints (see HintXxx constants)
}

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

type Stats struct {
	TotalRequests    int64            `json:"total_requests"`
	ModelCounts      map[string]int64 `json:"model_counts"`
	AvgLatencyMs     map[string]int64 `json:"avg_latency_ms"`
	ComplexityCounts map[string]int64 `json:"complexity_counts"`
}