store

type Event struct {
	ID          int64      `json:"id"`
	SessionID   string     `json:"session_id"`
	Seq         int        `json:"seq"`
	Type        string     `json:"type"` // 'user_msg' | 'reasoning' | 'tool_call' | 'tool_result' | 'compaction_summary' | 'assistant_msg'
	PayloadJSON string     `json:"payload_json"`
	Tokens      int        `json:"tokens"`
	CreatedAt   time.Time  `json:"created_at"`
	HiddenAt    *time.Time `json:"hidden_at,omitempty"`
}

type KnowledgeEntry struct {
	Hash      string          `json:"hash"`              // sha1 of content (first 8 hex chars)
	Language  string          `json:"lang"`              // detected stack ("go", "ts", "python", ...)
	Tags      []string        `json:"tags"`              // extracted keywords (func names, imports)
	Neighbors []KnowledgeLink `json:"neighbors"`         // files frequently co-read (max 3)
	Symbols   []SymbolRange   `json:"symbols,omitempty"` // whole-file structural index (name→line span)
}

type KnowledgeEntryRow struct {
	Key    string
	Entry  KnowledgeEntry
	Weight float64
	SeenAt time.Time
}

type KnowledgeLink struct {
	Path   string  `json:"p"` // e.g. "src/middleware/auth.go"
	Weight float64 `json:"w"` // 0.0 - 1.0 co-occurrence score
}

type Note struct {
	ID         int64     `json:"id"`
	Kind       NoteKind  `json:"kind"`
	Subject    string    `json:"subject"`    // file path / query / topic
	Content    string    `json:"content"`    // outcome or distilled insight
	Tags       []string  `json:"tags"`       // keywords for retrieval
	Provenance string    `json:"provenance"` // "tool=... target=... outcome=..."
	Weight     float64   `json:"weight"`
	Confidence float64   `json:"confidence"` // 0..1, meaningful for beliefs/facts
	CreatedAt  time.Time `json:"created_at"`
	LastSeen   time.Time `json:"last_seen"`
}

type NoteKind string

type PermissionEvent struct {
	Command    string `json:"command"`
	Pattern    string `json:"pattern"`     // normalized pattern (e.g. "git commit")
	Decision   string `json:"decision"`    // "allow" | "deny" | "allow_session"
	TrustLevel int    `json:"trust_level"` // trust count at time of decision
}

type PhaseTransitionEvent struct {
	From   string `json:"from"` // "RESEARCH" | "EXECUTE" | "VERIFY"
	To     string `json:"to"`
	Reason string `json:"reason"` // "edit_made" | "verify_needed" | "done"
}

type Playbook struct {
	ID          string    `json:"id"`
	Pattern     string    `json:"pattern"`
	RootCause   string    `json:"root_cause"`
	Solution    string    `json:"solution"`
	Category    string    `json:"category"`
	Occurrences int       `json:"occurrences"`
	CreatedAt   time.Time `json:"created_at"`
	LastUsed    time.Time `json:"last_used"`
}

type Session struct {
	ID          string    `json:"id"`
	CreatedAt   time.Time `json:"created_at"`
	ProjectPath string    `json:"project_path"`
	Status      string    `json:"status"`
	Mode        string    `json:"mode,omitempty"` // last active engine mode ("BUILDER"/"PLANNER"/"MINER")
}

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

type SymbolRange struct {
	Name  string `json:"n"` // symbol name (func/method/class/struct…)
	Kind  string `json:"k"` // func | method | class | struct | interface | def | enum | trait
	Start int    `json:"s"` // 1-based start line
	End   int    `json:"e"` // 1-based end line (inclusive)
}

type TrustUpdateEvent struct {
	Pattern      string `json:"pattern"`
	OldLevel     int    `json:"old_level"`
	NewLevel     int    `json:"new_level"`
	AutoApproved bool   `json:"auto_approved"` // true if threshold reached
}