config

type AlertsConfig struct {
	Enabled             bool    `mapstructure:"enabled"`
	DailyTokenLimit     int64   `mapstructure:"daily_token_limit"`
	WeeklyTokenLimit    int64   `mapstructure:"weekly_token_limit"`
	UsageSpikeThreshold float64 `mapstructure:"usage_spike_threshold"`
}

type BudgetConfig struct {
	DailyTokens      int `mapstructure:"daily_tokens"`      // Daily token budget (0 = unlimited)
	WarningThreshold int `mapstructure:"warning_threshold"` // Percent for warning (default: 80)
}

type CommandContext struct {
	Command    string `mapstructure:"command"`    // "git", "npm", "cargo", etc.
	Subcommand string `mapstructure:"subcommand"` // "status", "test", "build"
	ExitCode   int    `mapstructure:"exit_code"`  // Non-zero = likely has errors
	Intent     string `mapstructure:"intent"`     // "debug", "review", "deploy", "search"
	IsTest     bool   `mapstructure:"is_test"`    // Test output detection
	IsBuild    bool   `mapstructure:"is_build"`   // Build output detection
	IsError    bool   `mapstructure:"is_error"`   // Error output detection
}

type CompactionConfig struct {
	EnableCompaction        bool   `mapstructure:"enable_compaction"`         // Enable LLM-based compaction
	CompactionThreshold     int    `mapstructure:"compaction_threshold"`      // Minimum tokens to trigger
	CompactionPreserveTurns int    `mapstructure:"compaction_preserve_turns"` // Recent turns to keep verbatim
	CompactionMaxTokens     int    `mapstructure:"compaction_max_tokens"`     // Max summary tokens
	CompactionStateSnapshot bool   `mapstructure:"compaction_state_snapshot"` // Use state snapshot format
	CompactionAutoDetect    bool   `mapstructure:"compaction_auto_detect"`    // Auto-detect conversation content
	LLMProvider             string `mapstructure:"llm_provider"`              // ollama, lmstudio, openai
	LLMModel                string `mapstructure:"llm_model"`                 // Model name
	LLMBaseURL              string `mapstructure:"llm_base_url"`              // API endpoint
}

type Config struct {
	Tracking    TrackingConfig    `mapstructure:"tracking"`
	Filter      FilterConfig      `mapstructure:"filter"`
	Pipeline    PipelineConfig    `mapstructure:"pipeline"`
	Hooks       HooksConfig       `mapstructure:"hooks"`
	Dashboard   DashboardConfig   `mapstructure:"dashboard"`
	Alerts      AlertsConfig      `mapstructure:"alerts"`
	Budget      BudgetConfig      `mapstructure:"budget"`
	Export      ExportConfig      `mapstructure:"export"`
	Edit        EditConfig        `mapstructure:"edit"`        // Edit batching configuration
	Keybindings KeybindingsConfig `mapstructure:"keybindings"` // TUI keybindings overrides
}

type DashboardConfig struct {
	Port           int    `mapstructure:"port"`
	Bind           string `mapstructure:"bind"`
	UpdateInterval int    `mapstructure:"update_interval"`
	Theme          string `mapstructure:"theme"`
	EnableExport   bool   `mapstructure:"enable_export"`
}

type EditConfig struct {
	BatchEnabled    bool     `mapstructure:"batch_enabled"`         // Enable batching of edit operations
	BatchSize       int      `mapstructure:"batch_size"`            // Max edits per batch (default: 10)
	BatchTimeoutMs  int      `mapstructure:"batch_timeout_ms"`      // Timeout for batch collection (default: 500ms)
	DryRun          bool     `mapstructure:"edit_dry_run"`          // Show what would be changed without writing
	CreateBackups   bool     `mapstructure:"create_backups"`        // Create .bak files before editing
	AtomicWrites    bool     `mapstructure:"atomic_writes"`         // Use atomic file replacement
	MaxFileSize     int      `mapstructure:"max_edit_file_size"`    // Maximum file size for editing (bytes, 0=unlimited)
	AllowedPatterns []string `mapstructure:"allowed_edit_patterns"` // Glob patterns of files allowed to edit
	DeniedPatterns  []string `mapstructure:"denied_edit_patterns"`  // Glob patterns of files denied
}

type EntropyFilterConfig struct {
	EntropySamplingLarge int `mapstructure:"entropy_sampling_large"`  // Sample threshold for large inputs (default: 100000)
	EntropySamplingHuge  int `mapstructure:"entropy_sampling_huge"`   // Sample threshold for huge inputs (default: 500000)
	EntropySamplingRate  int `mapstructure:"entropy_sampling_rate"`   // Sample rate for huge inputs (default: 10)
	EntropyMinWordLength int `mapstructure:"entropy_min_word_length"` // Minimum word length (default: 2)
}

type ExportConfig struct {
	DefaultFormat    string `mapstructure:"default_format"`
	IncludeTimestamp bool   `mapstructure:"include_timestamps"`
	MaxRecords       int    `mapstructure:"max_records"`
}

type FilterConfig struct {
	NoiseDirs   []string `mapstructure:"noise_dirs"`
	IgnoreFiles []string `mapstructure:"ignore_files"` // File patterns to ignore (e.g., "*.lock", "*.min.js")
	Mode        string   `mapstructure:"mode"`         // "minimal" or "aggressive"
	MaxWidth    int      `mapstructure:"max_width"`    // Max display width (0 = auto)
}

type HooksConfig struct {
	ExcludedCommands []string `mapstructure:"excluded_commands"`
	AuditDir         string   `mapstructure:"audit_dir"`   // Directory for hook audit logs
	TeeDir           string   `mapstructure:"tee_dir"`     // Directory for failure tee logs
	TeeEnabled       bool     `mapstructure:"tee_enabled"` // Enable tee file writing (default: true)
}

type KeybindingsConfig struct {
	Quit           string `mapstructure:"quit"`            // default: q, ctrl+c
	NextSection    string `mapstructure:"next_section"`    // default: tab, right, l
	PrevSection    string `mapstructure:"prev_section"`    // default: shift+tab, left, h
	HistoryBack    string `mapstructure:"history_back"`    // default: H
	HistoryForward string `mapstructure:"history_forward"` // default: L
	Refresh        string `mapstructure:"refresh"`         // default: r
	Up             string `mapstructure:"up"`              // default: up, k
	Down           string `mapstructure:"down"`            // default: down, j
	PageUp         string `mapstructure:"page_up"`         // default: pgup, ctrl+b
	PageDown       string `mapstructure:"page_down"`       // default: pgdn, ctrl+f
	Top            string `mapstructure:"top"`             // default: g, home
	Bottom         string `mapstructure:"bottom"`          // default: G, end
	Enter          string `mapstructure:"enter"`           // default: enter
	Back           string `mapstructure:"back"`            // default: backspace
	Yank           string `mapstructure:"yank"`            // default: y
	Export         string `mapstructure:"export"`          // default: e
	Palette        string `mapstructure:"palette"`         // default: :
	Search         string `mapstructure:"search"`          // default: /
	Help           string `mapstructure:"help"`            // default: ?
}

type PerplexityFilterConfig struct {
	PerplexityTargetRatio          float64 `mapstructure:"perplexity_target_ratio"`          // Target compression ratio (default: 0.3)
	PerplexityIterationSteps       int     `mapstructure:"perplexity_iteration_steps"`       // Number of pruning iterations (default: 2)
	PerplexityPruneRatio           float64 `mapstructure:"perplexity_prune_ratio"`           // Prune ratio per iteration (default: 0.7)
	PerplexityConvergenceThreshold float64 `mapstructure:"perplexity_convergence_threshold"` // Early exit threshold (default: 0.05)
	PerplexityContextWindow        int     `mapstructure:"perplexity_context_window"`        // Context window size (default: 10)
}

type PipelineConfig struct {
	// Embedded sub-configs for logical grouping.
	// Fields are promoted, preserving backward compatibility.
	CompactionConfig       `mapstructure:",squash"`
	PerplexityFilterConfig `mapstructure:",squash"`
	EntropyFilterConfig    `mapstructure:",squash"`
	ResearchLayersConfig   `mapstructure:",squash"`
	// Context limits
	MaxContextTokens int `mapstructure:"max_context_tokens"` // Max input context (default: 2M)
	ChunkSize        int `mapstructure:"chunk_size"`         // Processing chunk size for large inputs

	// Agent preset selection
	Preset string `mapstructure:"preset"` // fast, balanced, full, T90, ultra, research

	// Layer enable/disable
	EnableEntropy      bool `mapstructure:"enable_entropy"`
	EnablePerplexity   bool `mapstructure:"enable_perplexity"`
	EnableGoalDriven   bool `mapstructure:"enable_goal_driven"`
	EnableAST          bool `mapstructure:"enable_ast"`
	EnableContrastive  bool `mapstructure:"enable_contrastive"`
	EnableNgram        bool `mapstructure:"enable_ngram"`
	EnableEvaluator    bool `mapstructure:"enable_evaluator"`
	EnableGist         bool `mapstructure:"enable_gist"`
	EnableHierarchical bool `mapstructure:"enable_hierarchical"`
	EnableBudget       bool `mapstructure:"enable_budget"`

	// Layer thresholds (tunable)
	EntropyThreshold      float64 `mapstructure:"entropy_threshold"`       // Layer 1: 0.0-1.0 (default: 0.3)
	PerplexityThreshold   float64 `mapstructure:"perplexity_threshold"`    // Layer 2: 0.0-1.0 (default: 0.5)
	GoalDrivenThreshold   float64 `mapstructure:"goal_driven_threshold"`   // Layer 3: 0.0-1.0 (default: 0.4)
	ASTPreserveThreshold  float64 `mapstructure:"ast_preserve_threshold"`  // Layer 4: 0.0-1.0 (default: 0.6)
	ContrastiveThreshold  float64 `mapstructure:"contrastive_threshold"`   // Layer 5: 0.0-1.0 (default: 0.5)
	NgramMinOccurrences   int     `mapstructure:"ngram_min_occurrences"`   // Layer 6: min repeats (default: 3)
	EvaluatorThreshold    float64 `mapstructure:"evaluator_threshold"`     // Layer 7: 0.0-1.0 (default: 0.4)
	GistMinChunkSize      int     `mapstructure:"gist_min_chunk_size"`     // Layer 8: chars (default: 100)
	HierarchicalMaxLevels int     `mapstructure:"hierarchical_max_levels"` // Layer 9: depth (default: 3)
	HierarchicalRatio     float64 `mapstructure:"hierarchical_ratio"`      // Layer 9: 0.0-1.0 (default: 0.3)

	// Budget enforcement
	DefaultBudget      int    `mapstructure:"default_budget"`       // Default token budget (0 = unlimited)
	HardBudgetLimit    bool   `mapstructure:"hard_budget_limit"`    // Strict enforcement
	BudgetOverflowFile string `mapstructure:"budget_overflow_file"` // File to save overflow content

	// Resilience
	TeeOnFailure       bool   `mapstructure:"tee_on_failure"`       // Save raw output on failure
	TeeDir             string `mapstructure:"tee_dir"`              // Directory for tee files
	FailSafeMode       bool   `mapstructure:"failsafe_mode"`        // Return original on corruption
	ValidateOutput     bool   `mapstructure:"validate_output"`      // Check output validity
	ShortCircuitBudget bool   `mapstructure:"short_circuit_budget"` // Skip layers if budget met

	// Performance
	ParallelLayers  bool `mapstructure:"parallel_layers"`  // Run independent layers in parallel
	CacheEnabled    bool `mapstructure:"cache_enabled"`    // Cache compression results
	CacheMaxSize    int  `mapstructure:"cache_max_size"`   // Max cache entries
	StreamThreshold int  `mapstructure:"stream_threshold"` // Stream if input > N tokens

	// Adaptive routing and extractive prefilter
	EnablePolicyRouter     bool `mapstructure:"enable_policy_router"`        // Infer intent from output
	EnableExtractiveFilter bool `mapstructure:"enable_extractive_prefilter"` // Enable extractive prefilter
	ExtractiveMaxLines     int  `mapstructure:"extractive_max_lines"`        // Trigger threshold
	ExtractiveHeadLines    int  `mapstructure:"extractive_head_lines"`       // Head lines to preserve
	ExtractiveTailLines    int  `mapstructure:"extractive_tail_lines"`       // Tail lines to preserve
	ExtractiveSignalLines  int  `mapstructure:"extractive_signal_lines"`     // Signal lines to preserve
	EnableQualityGuardrail bool `mapstructure:"enable_quality_guardrail"`    // Auto-fallback on quality risk

	// Attribution Filter (Layer 12) - ProCut-style pruning
	EnableAttribution     bool    `mapstructure:"enable_attribution"`     // Enable attribution filtering
	AttributionThreshold  float64 `mapstructure:"attribution_threshold"`  // Importance threshold (0.0-1.0)
	AttributionPositional bool    `mapstructure:"attribution_positional"` // Use positional bias
	AttributionFrequency  bool    `mapstructure:"attribution_frequency"`  // Use frequency bias
	AttributionSemantic   bool    `mapstructure:"attribution_semantic"`   // Use semantic preservation

	// H2O Filter (Layer 13) - Heavy-Hitter Oracle
	EnableH2O          bool `mapstructure:"enable_h2o"`            // Enable H2O compression
	H2OSinkSize        int  `mapstructure:"h2o_sink_size"`         // Attention sink tokens to preserve
	H2ORecentSize      int  `mapstructure:"h2o_recent_size"`       // Recent tokens to preserve
	H2OHeavyHitterSize int  `mapstructure:"h2o_heavy_hitter_size"` // Heavy hitter tokens to preserve

	// Attention Sink Filter (Layer 14) - StreamingLLM-style
	EnableAttentionSink  bool `mapstructure:"enable_attention_sink"`  // Enable attention sink filtering
	AttentionSinkCount   int  `mapstructure:"attention_sink_count"`   // Initial tokens to preserve as sinks
	AttentionRecentCount int  `mapstructure:"attention_recent_count"` // Recent lines to preserve

	// Meta-Token Compression (Layer 15) - LZ77-style lossless compression
	EnableMetaToken   bool `mapstructure:"enable_meta_token"`    // Enable meta-token compression
	MetaTokenWindow   int  `mapstructure:"meta_token_window"`    // Sliding window size for token matching
	MetaTokenMinMatch int  `mapstructure:"meta_token_min_match"` // Minimum match length

	// Semantic Chunking (Layer 16) - Dynamic boundary detection
	EnableSemanticChunk bool    `mapstructure:"enable_semantic_chunk"` // Enable semantic chunking
	SemanticThreshold   float64 `mapstructure:"semantic_threshold"`    // Semantic shift threshold (0.0-1.0)
	ChunkMinSize        int     `mapstructure:"chunk_min_size"`        // Minimum chunk size in tokens
	ChunkMaxSize        int     `mapstructure:"chunk_max_size"`        // Maximum chunk size in tokens

	// Sketch Store (Layer 17) - Reversible compression with KVReviver
	EnableSketchStore bool `mapstructure:"enable_sketch_store"` // Enable sketch-based storage
	SketchMemoryRatio int  `mapstructure:"sketch_memory_ratio"` // Memory reduction ratio (default: 90%)
	SketchOnDemand    bool `mapstructure:"sketch_on_demand"`    // Reconstruct on-demand when needed

	// Lazy Pruner (Layer 18) - Budget-aware dynamic pruning
	EnableLazyPruner bool    `mapstructure:"enable_lazy_pruner"` // Enable lazy pruning
	LazyBudgetRatio  float64 `mapstructure:"lazy_budget_ratio"`  // Ratio of budget to use for lazy pruning
	LazyLayerDecay   float64 `mapstructure:"lazy_layer_decay"`   // Decay factor for layer-wise pruning

	// Semantic Anchor (Layer 19) - Attention gradient detection
	EnableSemanticAnchor bool    `mapstructure:"enable_semantic_anchor"` // Enable semantic anchor preservation
	AnchorThreshold      float64 `mapstructure:"anchor_threshold"`       // Gradient threshold for anchors
	AnchorMinPreserve    int     `mapstructure:"anchor_min_preserve"`    // Minimum anchors to preserve

	// Agent Memory (Layer 20) - Knowledge graph extraction
	EnableAgentMemory    bool   `mapstructure:"enable_agent_memory"`     // Enable agent memory extraction
	AgentMemoryMaxNodes  int    `mapstructure:"agent_memory_max_nodes"`  // Max nodes in knowledge graph
	AgentMemoryMaxEdges  int    `mapstructure:"agent_memory_max_edges"`  // Max edges in knowledge graph
	AgentMemoryExtractFn string `mapstructure:"agent_memory_extract_fn"` // Extraction function type

}

type ResearchLayersConfig struct {
	EnableResearchPack bool `mapstructure:"enable_research_pack"` // One-toggle research bundle
}

type TrackingConfig struct {
	Enabled      bool   `mapstructure:"enabled"`
	DatabasePath string `mapstructure:"database_path"`
	Telemetry    bool   `mapstructure:"telemetry"`
}

type ValidatedFilterConfig struct {
	SchemaVersion int                               `toml:"schema_version"`
	Filters       map[string]ValidatedFilterSection `toml:"-"`
}

type ValidatedFilterSection struct {
	MatchCommand    string   `toml:"match_command"`
	StripAnsi       bool     `toml:"strip_ansi"`
	StripLinesMatch []string `toml:"strip_lines_matching"`
	KeepLinesMatch  []string `toml:"keep_lines_matching"`
	MaxLines        int      `toml:"max_lines"`
	MaxTokens       int      `toml:"max_tokens"`
	Priority        int      `toml:"priority"`
	Enabled         *bool    `toml:"enabled"`
}

type ValidationError struct {
	File    string
	Section string
	Field   string
	Message string
}