=== Transcripción del agente (turno a turno) ===
args de write_file con el cuerpo omitido (N1); outputs recortados (N2).

[turno 1] write_file  {"path": "DECISIONS.md", "content": "<<2431 bytes escritos; cuerpo omitido del historial (N1); usa read_file para releerlo>>"}
    ok

[turno 2] read_file  {"path": "DECISIONS.md"}
    # Decisiones de diseño
    
    ## Stack
    
    - **Lenguaje:** Go
    - **Framework HTTP:** `net/http` de la librería estándar
    - **Base de datos:** SQLite con el driver `modernc.org/sqlite`
    - **Arquitectura:** API REST monolito autocontenido
    
    ## Por qué
    
    1. **VPS modesto y barato**: Go compila a un único binario con footprint pequeño y buen rendimiento en pocos recursos. SQLite tampoco necesita proceso ni servidor de base de datos aparte.
    2. **Sin red en runtime**: No dependemos de servicios externos (LLMs, APIs de terceros, SaaS de scoring). Todo el filtrado, scoring y almacenamiento se hace localmente.
    3. **Mantenibilidad para un equipo pequeño**: El código es explícito, fácil de desplegar (`./run.sh`) y de auditar. No hay contenedores ni orquestadores innecesarios.
    4. **Volumen esperado**: Cientos de leads al día es trivial para SQLite+Go; podemos escalar a miles sin cambios importantes.
    
    ## Estrategia de filtrado y priorización
    
    La app intenta imitar lo que haría un comercial experto al mirar un lead:
    
    - **Descartar basura**:
      - Emails de prueba o dominios descartables/temporales.
      - Teléfonos inválidos o claramente falsos (ej. `123456789`, `000000000`).
      - Mensajes vacíos o demasiado cortos.
      - Nombres genéricos de prueba (`asdf`, `test`, `foo`).
      - Leads marcados explícitamente como spam.
    - **Priorizar**:
      - Formato correcto de email y teléfono.
      - Presencia de `company` (empresa = más probable B2B y compra real).
      - Mensaje largo y con palabras de intención de compra (`comprar`, `presupuesto`, `interesado`, `llamar`, `demo`, `precio`, etc.).
      - Penalizar palabras de broma/spam.
    - **Ordenación**: `GET /leads` devuelve solo leads no descartados ordenados por `score` descendente, de modo que el equipo llame primero a los más calientes.
    
    ## Campos extra en el lead
    
    Se añaden en la raíz del JSON para facilitar la integración con el panel:
    
    - `score`: número entre 0 y 100.
    - `priority`: `"hot"`, `"warm"` o `"cold"`.
    - `status`: `"new"`, `"contacted"`, `"discarded"`.
    - `reason`: texto explicando por qué se priorizó o descartó.
    - `created_at`: fecha de creación ISO 8601.
    
    ## Idempotencia y duplicados
    
    - `POST /leads` acepta el header `Idempotency-Key`. Dos peticiones con la misma clave devuelven el mismo `id` sin crear duplicados.
    - Además, se impone una restricción única en base de datos sobre `(email, source)` para evitar el típico doble submit del formulario.

[turno 3] write_file  {"path": "go.mod", "content": "<<62 bytes escritos; cuerpo omitido del historial (N1); usa read_file para releerlo>>"}
    ok

[turno 4] write_file  {"path": "go.mod", "content": "<<62 bytes escritos; cuerpo omitido del historial (N1); usa read_file para releerlo>>"}
    ok

[turno 4] write_file  {"path": "main.go", "content": "<<1417 bytes escritos; cuerpo omitido del historial (N1); usa read_file para releerlo>>"}
    ok

[turno 4] write_file  {"path": "internal/lead/lead.go", "content": "<<837 bytes escritos; cuerpo omitido del historial (N1); usa read_file para releerlo>>"}
    ok

[turno 4] write_file  {"path": "internal/store/store.go", "content": "<<4449 bytes escritos; cuerpo omitido del historial (N1); usa read_file para releerlo>>"}
    ok

[turno 4] write_file  {"path": "internal/scoring/scoring.go", "content": "<<6626 bytes escritos; cuerpo omitido del historial (N1); usa read_file para releerlo>>"}
    ok

[turno 4] write_file  {"path": "internal/handler/handler.go", "content": "<<4537 bytes escritos; cuerpo omitido del historial (N1); usa read_file para releerlo>>"}
    ok

[turno 5] read_file  {"path": "go.mod"}
    module leads-api
    
    go 1.22
    
    require modernc.org/sqlite v1.33.1

[turno 6] read_file  {"path": "main.go"}
    package main
    
    import (
    	"context"
    	"log"
    	"net/http"
    	"os"
    	"os/signal"
    	"syscall"
    	"time"
    
    	"leads-api/internal/handler"
    	"leads-api/internal/store"
    )
    
    func main() {
    	dbPath := os.Getenv("LEADS_DB_PATH")
    	if dbPath == "" {
    		dbPath = "leads.db"
    	}
    
    	port := os.Getenv("PORT")
    	if port == "" {
    		port = "8080"
    	}
    
    	repo, err := store.New(dbPath)
    	if err != nil {
    		log.Fatalf("failed to open store: %v", err)
    	}
    	defer repo.Close()
    
    	h := handler.New(repo)
    
    	mux := http.NewServeMux()
    	mux.HandleFunc("POST /leads", h.CreateLead)
    	mux.HandleFunc("GET /leads", h.ListLeads)
    	mux.HandleFunc("GET /leads/{id}", h.GetLead)
    	mux.HandleFunc("GET /health", func(w http.ResponseWriter, r *http.Request) {
    		w.WriteHeader(http.StatusOK)
    		w.Write([]byte(`{"status":"ok"}`))
    	})
    
    	server := &http.Server{
    		Addr:         "0.0.0.0:" + port,
    		Handler:      mux,
    		ReadTimeout:  10 * time.Second,
    		WriteTimeout: 10 * time.Second,
    	}
    
    	go func() {
    		log.Printf("listening on %s", server.Addr)
    		if err := server.ListenAndServe(); err != nil && err != http.ErrServerClosed {
    			log.Fatalf("server error: %v", err)
    		}
    	}()
    
    	quit := make(chan os.Signal, 1)
    	signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
    	<-quit
    
    	log.Println("shutting down")
    	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
    	defer cancel()
    	if err := server.Shutdown(ctx); err != nil {
    		log.Fatalf("shutdown error: %v", err)
    	}
    }

[turno 7] read_file  {"path": "internal/lead/lead.go"}
    package lead
    
    import "time"
    
    type Lead struct {
    	ID             string    `json:"id"`
    	Name           string    `json:"name"`
    	Email          string    `json:"email"`
    	Phone          string    `json:"phone"`
    	Source         string    `json:"source"`
    	Message        string    `json:"message"`
    	Company        *string   `json:"company,omitempty"`
    	Score          float64   `json:"score"`
    	Priority       string    `json:"priority"`
    	Status         string    `json:"status"`
    	Reason         string    `json:"reason"`
    	IdempotencyKey *string   `json:"-"`
    	CreatedAt      time.Time `json:"created_at"`
    }
    
    type CreateRequest struct {
    	Name    string  `json:"name"`
    	Email   string  `json:"email"`
    	Phone   string  `json:"phone"`
    	Source  string  `json:"source"`
    	Message string  `json:"message"`
    	Company *string `json:"company,omitempty"`
    }

[turno 7] read_file  {"path": "internal/store/store.go"}
    package store
    
    import (
    	"database/sql"
    	"errors"
    	"fmt"
    	"time"
    
    	"leads-api/internal/lead"
    
    	"modernc.org/sqlite"
    	sqlite3 "modernc.org/sqlite"
    )
    
    type Store struct {
    	db *sql.DB
    }
    
    func New(dbPath string) (*Store, error) {
    	db, err := sql.Open("sqlite", dbPath+"?_pragma=busy_timeout(5000)&_pragma=journal_mode(WAL)&_pragma=foreign_keys(ON)")
    	if err != nil {
    		return nil, err
    	}
    	if err := db.Ping(); err != nil {
    		return nil, err
    	}
    
    	schema := `
    	CREATE TABLE IF NOT EXISTS leads (
    		id TEXT PRIMARY KEY,
    		name TEXT NOT NULL,
    		email TEXT NOT NULL,
    		phone TEXT NOT NULL,
    		source TEXT NOT NULL,
    		message TEXT NOT NULL,
    		company TEXT,
    		score REAL NOT NULL,
    		priority TEXT NOT NULL,
    		status TEXT NOT NULL,
    		reason TEXT,
    		idempotency_key TEXT UNIQUE,
    		created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
    		UNIQUE(email, source)
    	);
    	CREATE INDEX IF NOT EXISTS idx_leads_status_score ON leads(status, score DESC);
    	CREATE INDEX IF NOT EXISTS idx_leads_source ON leads(source);
    	CREA
    …(N2: 1949 chars omitidos en medio)…
    e, company, score, priority, status, reason, idempotency_key, created_at
    			FROM leads WHERE status != 'discarded' AND source = ? ORDER BY score DESC, created_at DESC
    		`, source)
    	} else {
    		rows, err = s.db.Query(`
    			SELECT id, name, email, phone, source, message, company, score, priority, status, reason, idempotency_key, created_at
    			FROM leads WHERE status != 'discarded' ORDER BY score DESC, created_at DESC
    		`)
    	}
    	if err != nil {
    		return nil, err
    	}
    	defer rows.Close()
    
    	var leads []lead.Lead
    	for rows.Next() {
    		l, err := scanLead(rows)
    		if err != nil {
    			return nil, err
    		}
    		leads = append(leads, *l)
    	}
    	return leads, rows.Err()
    }
    
    type scanner interface {
    	Scan(dest ...any) error
    }
    
    func scanLead(s scanner) (*lead.Lead, error) {
    	var l lead.Lead
    	var company sql.NullString
    	var idem sql.NullString
    	var createdStr string
    
    	err := s.Scan(
    		&l.ID, &l.Name, &l.Email, &l.Phone, &l.Source, &l.Message,
    		&company, &l.Score, &l.Priority, &l.Status, &l.Reason,
    		&idem, &createdStr,
    	)
    	if err != nil {
    		if errors.Is(err, sql.ErrNoRows) {
    			return nil, nil
    		}
    		return nil, err
    	}
    	if company.Valid {
    		l.Company = &company.String
    	}
    	if idem.Valid {
    		l.IdempotencyKey = &idem.String
    	}
    	l.CreatedAt, err = time.Parse(time.RFC3339, createdStr)
    	if err != nil {
    		l.CreatedAt, _ = time.Parse("2006-01-02 15:04:05", createdStr)
    	}
    	return &l, nil
    }
    
    func IsConstraintError(err error) bool {
    	return errors.Is(err, ErrDuplicate)
    }
    
    // unused import guard
    var _ = sqlite.Error{}

[turno 7] read_file  {"path": "internal/scoring/scoring.go"}
    package scoring
    
    import (
    	"net/mail"
    	"regexp"
    	"strings"
    	"unicode"
    )
    
    const (
    	StatusNew        = "new"
    	StatusContacted  = "contacted"
    	StatusDiscarded  = "discarded"
    	PriorityHot      = "hot"
    	PriorityWarm     = "warm"
    	PriorityCold     = "cold"
    )
    
    type Result struct {
    	Score    float64
    	Priority string
    	Status   string
    	Reason   string
    }
    
    var (
    	phoneDigitsRe = regexp.MustCompile(`\d`)
    	emailRe       = regexp.MustCompile(`^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$`)
    )
    
    var disposableDomains = map[string]bool{
    	"tempmail.com": true, "mailinator.com": true, "guerrillamail.com": true,
    	"yopmail.com": true, "10minutemail.com": true, "fakeinbox.com": true,
    	"sharklasers.com": true, "getairmail.com": true, "throwawaymail.com": true,
    	"burnermail.io": true, "temp-mail.org": true,
    }
    
    var testStrings = []string{
    	"test", "prueba", "asdf", "qwerty", "foo", "bar", "example", "fake",
    	"noemail", "noreply", "unknown", "anonimo", "xxxx", "0000", "1111",
    }
    
    var buyKeywords = []string{
    	"c
    …(N2: 4111 chars omitidos en medio)…
    
    		return ""
    	}
    	return parts[1]
    }
    
    func looksLikeTestEmail(email string) bool {
    	for _, t := range testStrings {
    		if strings.Contains(email, t) {
    			return true
    		}
    	}
    	return false
    }
    
    func looksLikeTestName(name string) bool {
    	for _, t := range testStrings {
    		if strings.Contains(name, t) {
    			return true
    		}
    	}
    	return false
    }
    
    func allSameDigit(digits []string) bool {
    	if len(digits) < 2 {
    		return false
    	}
    	first := digits[0]
    	for _, d := range digits[1:] {
    		if d != first {
    			return false
    		}
    	}
    	return true
    }
    
    func isSequential(digits []string) bool {
    	if len(digits) < 7 {
    		return false
    	}
    	asc := true
    	desc := true
    	for i := 1; i < len(digits); i++ {
    		if digits[i] != nextDigit(digits[i-1]) {
    			asc = false
    		}
    		if digits[i] != prevDigit(digits[i-1]) {
    			desc = false
    		}
    	}
    	return asc || desc
    }
    
    func nextDigit(d string) string {
    	if d == "9" {
    		return "0"
    	}
    	return string(d[0] + 1)
    }
    
    func prevDigit(d string) string {
    	if d == "0" {
    		return "9"
    	}
    	return string(d[0] - 1)
    }
    
    func containsAny(s string, words []string) bool {
    	for _, w := range words {
    		if strings.Contains(s, w) {
    			return true
    		}
    	}
    	return false
    }
    
    func countMatches(s string, words []string) int {
    	count := 0
    	for _, w := range words {
    		if strings.Contains(s, w) {
    			count++
    		}
    	}
    	return count
    }
    
    func looksRealName(name string) bool {
    	parts := strings.Fields(name)
    	if len(parts) < 2 {
    		return false
    	}
    	for _, p := range parts {
    		if len(p) < 2 {
    			return false
    		}
    	}
    	return true
    }

[turno 7] read_file  {"path": "internal/handler/handler.go"}
    package handler
    
    import (
    	"crypto/rand"
    	"crypto/sha256"
    	"encoding/hex"
    	"encoding/json"
    	"fmt"
    	"net/http"
    	"time"
    
    	"leads-api/internal/lead"
    	"leads-api/internal/scoring"
    	"leads-api/internal/store"
    )
    
    type Handler struct {
    	store *store.Store
    }
    
    func New(s *store.Store) *Handler {
    	return &Handler{store: s}
    }
    
    func (h *Handler) CreateLead(w http.ResponseWriter, r *http.Request) {
    	var req lead.CreateRequest
    	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
    		writeError(w, http.StatusBadRequest, "invalid JSON")
    		return
    	}
    
    	if err := validateCreate(req); err != nil {
    		writeError(w, http.StatusBadRequest, err.Error())
    		return
    	}
    
    	idempotencyKey := r.Header.Get("Idempotency-Key")
    
    	// 1. Si hay idempotency key, devolver el lead existente
    	if idempotencyKey != "" {
    		existing, err := h.store.FindByIdempotencyKey(idempotencyKey)
    		if err != nil {
    			writeError(w, http.StatusInternalServerError, "database error")
    			return
    		}
    		if existing != nil {
    			w.Header().Set("C
    …(N2: 2037 chars omitidos en medio)…
    	leads, err := h.store.List(source)
    	if err != nil {
    		writeError(w, http.StatusInternalServerError, "database error")
    		return
    	}
    	if leads == nil {
    		leads = []lead.Lead{}
    	}
    	w.Header().Set("Content-Type", "application/json")
    	w.WriteHeader(http.StatusOK)
    	json.NewEncoder(w).Encode(leads)
    }
    
    func (h *Handler) GetLead(w http.ResponseWriter, r *http.Request) {
    	id := r.PathValue("id")
    	l, err := h.store.Get(id)
    	if err != nil {
    		writeError(w, http.StatusInternalServerError, "database error")
    		return
    	}
    	if l == nil {
    		writeError(w, http.StatusNotFound, "lead not found")
    		return
    	}
    	w.Header().Set("Content-Type", "application/json")
    	w.WriteHeader(http.StatusOK)
    	json.NewEncoder(w).Encode(l)
    }
    
    func validateCreate(req lead.CreateRequest) error {
    	if req.Name == "" {
    		return fmt.Errorf("name is required")
    	}
    	if req.Email == "" {
    		return fmt.Errorf("email is required")
    	}
    	if req.Phone == "" {
    		return fmt.Errorf("phone is required")
    	}
    	if req.Source == "" {
    		return fmt.Errorf("source is required")
    	}
    	if req.Message == "" {
    		return fmt.Errorf("message is required")
    	}
    	return nil
    }
    
    func writeError(w http.ResponseWriter, status int, msg string) {
    	w.Header().Set("Content-Type", "application/json")
    	w.WriteHeader(status)
    	json.NewEncoder(w).Encode(map[string]string{"error": msg})
    }
    
    func generateID() (string, error) {
    	b := make([]byte, 16)
    	if _, err := rand.Read(b); err != nil {
    		return "", err
    	}
    	h := sha256.Sum256(b)
    	return hex.EncodeToString(h[:])[:16], nil
    }

[turno 8] bash  {"command": "cat internal/store/store.go"}
    exit=0
    --- stdout ---
    package store
    
    import (
    	"database/sql"
    	"errors"
    	"fmt"
    	"time"
    
    	"leads-api/internal/lead"
    
    	"modernc.org/sqlite"
    	sqlite3 "modernc.org/sqlite"
    )
    
    type Store struct {
    	db *sql.DB
    }
    
    func New(dbPath string) (*Store, error) {
    	db, err := sql.Open("sqlite", dbPath+"?_pragma=busy_timeout(5000)&_pragma=journal_mode(WAL)&_pragma=foreign_keys(ON)")
    	if err != nil {
    		return nil, err
    	}
    	if err := db.Ping(); err != nil {
    		return nil, err
    	}
    
    	schema := `
    	CREATE TABLE IF NOT EXISTS leads (
    		id TEXT PRIMARY KEY,
    		name TEXT NOT NULL,
    		email TEXT NOT NULL,
    		phone TEXT NOT NULL,
    		source TEXT NOT NULL,
    		message TEXT NOT NULL,
    		company TEXT,
    		score REAL NOT NULL,
    		priority TEXT NOT NULL,
    		status TEXT NOT NULL,
    		reason TEXT,
    		idempotency_key TEXT UNIQUE,
    		created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
    		UNIQUE(email, source)
    	);
    	CREATE INDEX IF NOT EXISTS idx_leads_status_score ON leads(status, score DESC);
    	CREATE INDEX IF NOT EXISTS idx_leads_source O
    …(N2: 1987 chars omitidos en medio)…
    e, priority, status, reason, idempotency_key, created_at
    			FROM leads WHERE status != 'discarded' AND source = ? ORDER BY score DESC, created_at DESC
    		`, source)
    	} else {
    		rows, err = s.db.Query(`
    			SELECT id, name, email, phone, source, message, company, score, priority, status, reason, idempotency_key, created_at
    			FROM leads WHERE status != 'discarded' ORDER BY score DESC, created_at DESC
    		`)
    	}
    	if err != nil {
    		return nil, err
    	}
    	defer rows.Close()
    
    	var leads []lead.Lead
    	for rows.Next() {
    		l, err := scanLead(rows)
    		if err != nil {
    			return nil, err
    		}
    		leads = append(leads, *l)
    	}
    	return leads, rows.Err()
    }
    
    type scanner interface {
    	Scan(dest ...any) error
    }
    
    func scanLead(s scanner) (*lead.Lead, error) {
    	var l lead.Lead
    	var company sql.NullString
    	var idem sql.NullString
    	var createdStr string
    
    	err := s.Scan(
    		&l.ID, &l.Name, &l.Email, &l.Phone, &l.Source, &l.Message,
    		&company, &l.Score, &l.Priority, &l.Status, &l.Reason,
    		&idem, &createdStr,
    	)
    	if err != nil {
    		if errors.Is(err, sql.ErrNoRows) {
    			return nil, nil
    		}
    		return nil, err
    	}
    	if company.Valid {
    		l.Company = &company.String
    	}
    	if idem.Valid {
    		l.IdempotencyKey = &idem.String
    	}
    	l.CreatedAt, err = time.Parse(time.RFC3339, createdStr)
    	if err != nil {
    		l.CreatedAt, _ = time.Parse("2006-01-02 15:04:05", createdStr)
    	}
    	return &l, nil
    }
    
    func IsConstraintError(err error) bool {
    	return errors.Is(err, ErrDuplicate)
    }
    
    // unused import guard
    var _ = sqlite.Error{}
    
    --- stderr ---

[turno 9] bash  {"command": "wc -l internal/store/store.go && sed -n '1,60p' internal/store/store.go"}
    exit=0
    --- stdout ---
    172 internal/store/store.go
    package store
    
    import (
    	"database/sql"
    	"errors"
    	"fmt"
    	"time"
    
    	"leads-api/internal/lead"
    
    	"modernc.org/sqlite"
    	sqlite3 "modernc.org/sqlite"
    )
    
    type Store struct {
    	db *sql.DB
    }
    
    func New(dbPath string) (*Store, error) {
    	db, err := sql.Open("sqlite", dbPath+"?_pragma=busy_timeout(5000)&_pragma=journal_mode(WAL)&_pragma=foreign_keys(ON)")
    	if err != nil {
    		return nil, err
    	}
    	if err := db.Ping(); err != nil {
    		return nil, err
    	}
    
    	schema := `
    	CREATE TABLE IF NOT EXISTS leads (
    		id TEXT PRIMARY KEY,
    		name TEXT NOT NULL,
    		email TEXT NOT NULL,
    		phone TEXT NOT NULL,
    		source TEXT NOT NULL,
    		message TEXT NOT NULL,
    		company TEXT,
    		score REAL NOT NULL,
    		priority TEXT NOT NULL,
    		status TEXT NOT NULL,
    		reason TEXT,
    		idempotency_key TEXT UNIQUE,
    		created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
    		UNIQUE(email, source)
    	);
    	CREATE INDEX IF NOT EXISTS idx_leads_status_score ON leads(status, score DESC);
    	CREATE INDEX IF NOT EXISTS idx_leads_source ON leads(source);
    	CREATE INDEX IF NOT EXISTS idx_leads_idempotency ON leads(idempotency_key);
    	`
    	if _, err := db.Exec(schema); err != nil {
    		return nil, fmt.Errorf("migrations: %w", err)
    	}
    
    	return &Store{db: db}, nil
    }
    
    func (s *Store) Close() error {
    	return s.db.Close()
    }
    
    func (s *Store) Create(l *lead.Lead) error {
    
    --- stderr ---

[turno 10] bash  {"command": "sed -n '60,130p' internal/store/store.go"}
    exit=0
    --- stdout ---
    func (s *Store) Create(l *lead.Lead) error {
    	_, err := s.db.Exec(`
    		INSERT INTO leads (id, name, email, phone, source, message, company, score, priority, status, reason, idempotency_key, created_at)
    		VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
    	`, l.ID, l.Name, l.Email, l.Phone, l.Source, l.Message, l.Company, l.Score, l.Priority, l.Status, l.Reason, l.IdempotencyKey, l.CreatedAt)
    	if err != nil {
    		var sqliteErr *sqlite3.Error
    		if errors.As(err, &sqliteErr) {
    			if sqliteErr.Code() == sqlite3.SQLITE_CONSTRAINT_UNIQUE {
    				return ErrDuplicate
    			}
    		}
    		return err
    	}
    	return nil
    }
    
    var ErrDuplicate = errors.New("duplicate lead")
    
    func (s *Store) FindByIdempotencyKey(key string) (*lead.Lead, error) {
    	row := s.db.QueryRow(`
    		SELECT id, name, email, phone, source, message, company, score, priority, status, reason, idempotency_key, created_at
    		FROM leads WHERE idempotency_key = ?
    	`, key)
    	return scanLead(row)
    }
    
    func (s *Store) FindByEmailAndSource(email, source string) (*lead.Lead, error) {
    	row := s.db.QueryRow(`
    		SELECT id, name, email, phone, source, message, company, score, priority, status, reason, idempotency_key, created_at
    		FROM leads WHERE email = ? AND source = ?
    	`, email, source)
    	return scanLead(row)
    }
    
    func (s *Store) Get(id string) (*lead.Lead, error) {
    	row := s.db.QueryRow(`
    		SELECT id, name, email, phone, source, message, company, score, priority, status, reason, idempotency_key, created_at
    		FROM leads WHERE id = ?
    	`, id)
    	return scanLead(row)
    }
    
    func (s *Store) List(source string) ([]lead.Lead, error) {
    	var rows *sql.Rows
    	var err error
    	if source != "" {
    		rows, err = s.db.Query(`
    			SELECT id, name, email, phone, source, message, company, score, priority, status, reason, idempotency_key, created_at
    			FROM leads WHERE status != 'discarded' AND source = ? ORDER BY score DESC, created_at DESC
    		`, source)
    	} else {
    		rows, err = s.db.Query(`
    			SELECT id, name, email, phone, source, message, company, score, priority, status, reason, idempotency_key, created_at
    			FROM leads WHERE status != 'discarded' ORDER BY score DESC, created_at DESC
    		`)
    	}
    	if err != nil {
    		return nil, err
    	}
    	defer rows.Close()
    
    	var leads []lead.Lead
    	for rows.Next() {
    		l, err := scanLead(rows)
    		if err != nil {
    			return nil, err
    		}
    		leads = append(leads, *l)
    	}
    	return leads, rows.Err()
    
    --- stderr ---

[turno 11] bash  {"command": "sed -n '130,172p' internal/store/store.go"}
    exit=0
    --- stdout ---
    	return leads, rows.Err()
    }
    
    type scanner interface {
    	Scan(dest ...any) error
    }
    
    func scanLead(s scanner) (*lead.Lead, error) {
    	var l lead.Lead
    	var company sql.NullString
    	var idem sql.NullString
    	var createdStr string
    
    	err := s.Scan(
    		&l.ID, &l.Name, &l.Email, &l.Phone, &l.Source, &l.Message,
    		&company, &l.Score, &l.Priority, &l.Status, &l.Reason,
    		&idem, &createdStr,
    	)
    	if err != nil {
    		if errors.Is(err, sql.ErrNoRows) {
    			return nil, nil
    		}
    		return nil, err
    	}
    	if company.Valid {
    		l.Company = &company.String
    	}
    	if idem.Valid {
    		l.IdempotencyKey = &idem.String
    	}
    	l.CreatedAt, err = time.Parse(time.RFC3339, createdStr)
    	if err != nil {
    		l.CreatedAt, _ = time.Parse("2006-01-02 15:04:05", createdStr)
    	}
    	return &l, nil
    }
    
    func IsConstraintError(err error) bool {
    	return errors.Is(err, ErrDuplicate)
    }
    
    // unused import guard
    var _ = sqlite.Error{}
    
    --- stderr ---

[turno 12] bash  {"command": "cat internal/handler/handler.go"}
    exit=0
    --- stdout ---
    package handler
    
    import (
    	"crypto/rand"
    	"crypto/sha256"
    	"encoding/hex"
    	"encoding/json"
    	"fmt"
    	"net/http"
    	"time"
    
    	"leads-api/internal/lead"
    	"leads-api/internal/scoring"
    	"leads-api/internal/store"
    )
    
    type Handler struct {
    	store *store.Store
    }
    
    func New(s *store.Store) *Handler {
    	return &Handler{store: s}
    }
    
    func (h *Handler) CreateLead(w http.ResponseWriter, r *http.Request) {
    	var req lead.CreateRequest
    	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
    		writeError(w, http.StatusBadRequest, "invalid JSON")
    		return
    	}
    
    	if err := validateCreate(req); err != nil {
    		writeError(w, http.StatusBadRequest, err.Error())
    		return
    	}
    
    	idempotencyKey := r.Header.Get("Idempotency-Key")
    
    	// 1. Si hay idempotency key, devolver el lead existente
    	if idempotencyKey != "" {
    		existing, err := h.store.FindByIdempotencyKey(idempotencyKey)
    		if err != nil {
    			writeError(w, http.StatusInternalServerError, "database error")
    			return
    		}
    		if existing != nil 
    …(N2: 2075 chars omitidos en medio)…
    .store.List(source)
    	if err != nil {
    		writeError(w, http.StatusInternalServerError, "database error")
    		return
    	}
    	if leads == nil {
    		leads = []lead.Lead{}
    	}
    	w.Header().Set("Content-Type", "application/json")
    	w.WriteHeader(http.StatusOK)
    	json.NewEncoder(w).Encode(leads)
    }
    
    func (h *Handler) GetLead(w http.ResponseWriter, r *http.Request) {
    	id := r.PathValue("id")
    	l, err := h.store.Get(id)
    	if err != nil {
    		writeError(w, http.StatusInternalServerError, "database error")
    		return
    	}
    	if l == nil {
    		writeError(w, http.StatusNotFound, "lead not found")
    		return
    	}
    	w.Header().Set("Content-Type", "application/json")
    	w.WriteHeader(http.StatusOK)
    	json.NewEncoder(w).Encode(l)
    }
    
    func validateCreate(req lead.CreateRequest) error {
    	if req.Name == "" {
    		return fmt.Errorf("name is required")
    	}
    	if req.Email == "" {
    		return fmt.Errorf("email is required")
    	}
    	if req.Phone == "" {
    		return fmt.Errorf("phone is required")
    	}
    	if req.Source == "" {
    		return fmt.Errorf("source is required")
    	}
    	if req.Message == "" {
    		return fmt.Errorf("message is required")
    	}
    	return nil
    }
    
    func writeError(w http.ResponseWriter, status int, msg string) {
    	w.Header().Set("Content-Type", "application/json")
    	w.WriteHeader(status)
    	json.NewEncoder(w).Encode(map[string]string{"error": msg})
    }
    
    func generateID() (string, error) {
    	b := make([]byte, 16)
    	if _, err := rand.Read(b); err != nil {
    		return "", err
    	}
    	h := sha256.Sum256(b)
    	return hex.EncodeToString(h[:])[:16], nil
    }
    
    --- stderr ---

[turno 13] bash  {"command": "wc -l internal/handler/handler.go && sed -n '1,120p' internal/handler/handler.go"}
    exit=0
    --- stdout ---
    178 internal/handler/handler.go
    package handler
    
    import (
    	"crypto/rand"
    	"crypto/sha256"
    	"encoding/hex"
    	"encoding/json"
    	"fmt"
    	"net/http"
    	"time"
    
    	"leads-api/internal/lead"
    	"leads-api/internal/scoring"
    	"leads-api/internal/store"
    )
    
    type Handler struct {
    	store *store.Store
    }
    
    func New(s *store.Store) *Handler {
    	return &Handler{store: s}
    }
    
    func (h *Handler) CreateLead(w http.ResponseWriter, r *http.Request) {
    	var req lead.CreateRequest
    	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
    		writeError(w, http.StatusBadRequest, "invalid JSON")
    		return
    	}
    
    	if err := validateCreate(req); err != nil {
    		writeError(w, http.StatusBadRequest, err.Error())
    		return
    	}
    
    	idempotencyKey := r.Header.Get("Idempotency-Key")
    
    	// 1. Si hay idempotency key, devolver el lead existente
    	if idempotencyKey != "" {
    		existing, err := h.store.FindByIdempotencyKey(idempotencyKey)
    		if err != nil {
    			writeError(w, http.StatusInternalServerError, "database error")
    			
    …(N2: 735 chars omitidos en medio)…
    led to generate id")
    		return
    	}
    
    	result := scoring.Score(req.Name, req.Email, req.Phone, req.Source, req.Message, req.Company)
    
    	l := &lead.Lead{
    		ID:             id,
    		Name:           req.Name,
    		Email:          req.Email,
    		Phone:          req.Phone,
    		Source:         req.Source,
    		Message:        req.Message,
    		Company:        req.Company,
    		Score:          result.Score,
    		Priority:       result.Priority,
    		Status:         result.Status,
    		Reason:         result.Reason,
    		IdempotencyKey: nil,
    		CreatedAt:      time.Now().UTC(),
    	}
    	if idempotencyKey != "" {
    		l.IdempotencyKey = &idempotencyKey
    	}
    
    	if err := h.store.Create(l); err != nil {
    		if store.IsConstraintError(err) {
    			// Race condition: ya existe. Devolver existente.
    			existing, _ := h.store.FindByEmailAndSource(req.Email, req.Source)
    			if existing != nil {
    				w.Header().Set("Content-Type", "application/json")
    				w.WriteHeader(http.StatusOK)
    				json.NewEncoder(w).Encode(map[string]string{"id": existing.ID})
    				return
    			}
    		}
    		writeError(w, http.StatusInternalServerError, "failed to create lead")
    		return
    	}
    
    	w.Header().Set("Content-Type", "application/json")
    	w.WriteHeader(http.StatusCreated)
    	json.NewEncoder(w).Encode(map[string]string{"id": l.ID})
    }
    
    func (h *Handler) ListLeads(w http.ResponseWriter, r *http.Request) {
    	source := r.URL.Query().Get("source")
    	leads, err := h.store.List(source)
    	if err != nil {
    		writeError(w, http.StatusInternalServerError, "database error")
    		return
    
    --- stderr ---

[turno 14] bash  {"command": "sed -n '40,100p' internal/handler/handler.go"}
    exit=0
    --- stdout ---
    	if idempotencyKey != "" {
    		existing, err := h.store.FindByIdempotencyKey(idempotencyKey)
    		if err != nil {
    			writeError(w, http.StatusInternalServerError, "database error")
    			return
    		}
    		if existing != nil {
    			w.Header().Set("Content-Type", "application/json")
    			w.WriteHeader(http.StatusOK)
    			json.NewEncoder(w).Encode(map[string]string{"id": existing.ID})
    			return
    		}
    	}
    
    	// 2. Si ya existe (email, source), devolver el id existente
    	existing, err := h.store.FindByEmailAndSource(req.Email, req.Source)
    	if err != nil {
    		writeError(w, http.StatusInternalServerError, "database error")
    		return
    	}
    	if existing != nil {
    		w.Header().Set("Content-Type", "application/json")
    		w.WriteHeader(http.StatusOK)
    		json.NewEncoder(w).Encode(map[string]string{"id": existing.ID})
    		return
    	}
    
    	// 3. Crear nuevo lead
    	id, err := generateID()
    	if err != nil {
    		writeError(w, http.StatusInternalServerError, "failed to generate id")
    		return
    	}
    
    	result := scoring.Score(req.Name, req.Email, req.Phone, req.Source, req.Message, req.Company)
    
    	l := &lead.Lead{
    		ID:             id,
    		Name:           req.Name,
    		Email:          req.Email,
    		Phone:          req.Phone,
    		Source:         req.Source,
    		Message:        req.Message,
    		Company:        req.Company,
    		Score:          result.Score,
    		Priority:       result.Priority,
    		Status:         result.Status,
    		Reason:         result.Reason,
    		IdempotencyKey: nil,
    		CreatedAt:      time.Now().UTC(),
    	}
    	if idempotencyKey != "" {
    		l.IdempotencyKey = &idempotencyKey
    	}
    
    	if err := h.store.Create(l); err != nil {
    		if store.IsConstraintError(err) {
    			// Race condition: ya existe. Devolver existente.
    			existing, _ := h.store.FindByEmailAndSource(req.Email, req.Source)
    			if existing != nil {
    				w.Header().Set("Content-Type", "application/json")
    
    --- stderr ---

[turno 15] bash  {"command": "wc -l internal/scoring/scoring.go && sed -n '1,100p' internal/scoring/scoring.go"}
    exit=0
    --- stdout ---
    282 internal/scoring/scoring.go
    package scoring
    
    import (
    	"net/mail"
    	"regexp"
    	"strings"
    	"unicode"
    )
    
    const (
    	StatusNew        = "new"
    	StatusContacted  = "contacted"
    	StatusDiscarded  = "discarded"
    	PriorityHot      = "hot"
    	PriorityWarm     = "warm"
    	PriorityCold     = "cold"
    )
    
    type Result struct {
    	Score    float64
    	Priority string
    	Status   string
    	Reason   string
    }
    
    var (
    	phoneDigitsRe = regexp.MustCompile(`\d`)
    	emailRe       = regexp.MustCompile(`^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$`)
    )
    
    var disposableDomains = map[string]bool{
    	"tempmail.com": true, "mailinator.com": true, "guerrillamail.com": true,
    	"yopmail.com": true, "10minutemail.com": true, "fakeinbox.com": true,
    	"sharklasers.com": true, "getairmail.com": true, "throwawaymail.com": true,
    	"burnermail.io": true, "temp-mail.org": true,
    }
    
    var testStrings = []string{
    	"test", "prueba", "asdf", "qwerty", "foo", "bar", "example", "fake",
    	"noemail", "noreply", "unknown", "anonimo", "xxx
    …(N2: 915 chars omitidos en medio)…
    	if strings.TrimSpace(name) == "" || strings.TrimSpace(email) == "" ||
    		strings.TrimSpace(phone) == "" || strings.TrimSpace(source) == "" {
    		return Result{Score: 0, Priority: PriorityCold, Status: StatusDiscarded, Reason: "Faltan campos obligatorios"}
    	}
    
    	if !isValidEmail(email) {
    		return Result{Score: 0, Priority: PriorityCold, Status: StatusDiscarded, Reason: "Email inválido"}
    	}
    
    	domain := extractDomain(lowerEmail)
    	if disposableDomains[domain] {
    		return Result{Score: 0, Priority: PriorityCold, Status: StatusDiscarded, Reason: "Email descartable/temporal"}
    	}
    
    	if looksLikeTestEmail(lowerEmail) || looksLikeTestName(lowerName) {
    		return Result{Score: 0, Priority: PriorityCold, Status: StatusDiscarded, Reason: "Datos de prueba"}
    	}
    
    	phoneDigits := phoneDigitsRe.FindAllString(lowerPhone, -1)
    	if len(phoneDigits) < 7 {
    		return Result{Score: 0, Priority: PriorityCold, Status: StatusDiscarded, Reason: "Teléfono inválido o falso"}
    	}
    	if allSameDigit(phoneDigits) || isSequential(phoneDigits) {
    		return Result{Score: 0, Priority: PriorityCold, Status: StatusDiscarded, Reason: "Teléfono claramente falso"}
    	}
    
    	msgLen := len(strings.TrimSpace(message))
    	if msgLen < 5 {
    		return Result{Score: 0, Priority: PriorityCold, Status: StatusDiscarded, Reason: "Mensaje demasiado corto"}
    	}
    
    	// 2. Penalizaciones / spam
    	if containsAny(lowerMsg, spamKeywords) {
    		return Result{Score: 0, Priority: PriorityCold, Status: StatusDiscarded, Reason: "Detectado como spam"}
    	}
    
    --- stderr ---

[turno 16] bash  {"command": "sed -n '100,200p' internal/scoring/scoring.go && sed -n '200,282p' internal/scoring/scoring.go"}
    exit=0
    --- stdout ---
    	}
    
    	// 3. Puntuación positiva
    	if company != nil && strings.TrimSpace(*company) != "" {
    		score += 15
    		reasons = append(reasons, "tiene empresa")
    	}
    
    	// longitud del mensaje
    	if msgLen >= 200 {
    		score += 15
    		reasons = append(reasons, "mensaje detallado")
    	} else if msgLen >= 80 {
    		score += 8
    	} else if msgLen >= 30 {
    		score += 3
    	}
    
    	// keywords de compra
    	buyMatches := countMatches(lowerMsg, buyKeywords)
    	if buyMatches >= 2 {
    		score += 15
    		reasons = append(reasons, "alta intención de compra")
    	} else if buyMatches == 1 {
    		score += 7
    		reasons = append(reasons, "muestra interés")
    	}
    
    	// email profesional: dominios genéricos no penalizan mucho
    	if !strings.Contains(domain, "gmail") && !strings.Contains(domain, "hotmail") &&
    		!strings.Contains(domain, "yahoo") && !strings.Contains(domain, "outlook") {
    		score += 8
    		reasons = append(reasons, "email corporativo")
    	}
    
    	// nombre real vs genérico
    	if looksRealName(name) {
    		score += 5
    	}
    
    	// limitar rango
    
    …(N2: 840 chars omitidos en medio)…
    eTestEmail(email string) bool {
    	for _, t := range testStrings {
    		if strings.Contains(email, t) {
    			return true
    		}
    	}
    	return false
    }
    
    func looksLikeTestName(name string) bool {
    	for _, t := range testStrings {
    	for _, t := range testStrings {
    		if strings.Contains(name, t) {
    			return true
    		}
    	}
    	return false
    }
    
    func allSameDigit(digits []string) bool {
    	if len(digits) < 2 {
    		return false
    	}
    	first := digits[0]
    	for _, d := range digits[1:] {
    		if d != first {
    			return false
    		}
    	}
    	return true
    }
    
    func isSequential(digits []string) bool {
    	if len(digits) < 7 {
    		return false
    	}
    	asc := true
    	desc := true
    	for i := 1; i < len(digits); i++ {
    		if digits[i] != nextDigit(digits[i-1]) {
    			asc = false
    		}
    		if digits[i] != prevDigit(digits[i-1]) {
    			desc = false
    		}
    	}
    	return asc || desc
    }
    
    func nextDigit(d string) string {
    	if d == "9" {
    		return "0"
    	}
    	return string(d[0] + 1)
    }
    
    func prevDigit(d string) string {
    	if d == "0" {
    		return "9"
    	}
    	return string(d[0] - 1)
    }
    
    func containsAny(s string, words []string) bool {
    	for _, w := range words {
    		if strings.Contains(s, w) {
    			return true
    		}
    	}
    	return false
    }
    
    func countMatches(s string, words []string) int {
    	count := 0
    	for _, w := range words {
    		if strings.Contains(s, w) {
    			count++
    		}
    	}
    	return count
    }
    
    func looksRealName(name string) bool {
    	parts := strings.Fields(name)
    	if len(parts) < 2 {
    		return false
    	}
    	for _, p := range parts {
    		if len(p) < 2 {
    			return false
    		}
    	}
    	return true
    }
    
    --- stderr ---

[turno 17] bash  {"command": "sed -n '100,150p' internal/scoring/scoring.go"}
    exit=0
    --- stdout ---
    	}
    
    	// 3. Puntuación positiva
    	if company != nil && strings.TrimSpace(*company) != "" {
    		score += 15
    		reasons = append(reasons, "tiene empresa")
    	}
    
    	// longitud del mensaje
    	if msgLen >= 200 {
    		score += 15
    		reasons = append(reasons, "mensaje detallado")
    	} else if msgLen >= 80 {
    		score += 8
    	} else if msgLen >= 30 {
    		score += 3
    	}
    
    	// keywords de compra
    	buyMatches := countMatches(lowerMsg, buyKeywords)
    	if buyMatches >= 2 {
    		score += 15
    		reasons = append(reasons, "alta intención de compra")
    	} else if buyMatches == 1 {
    		score += 7
    		reasons = append(reasons, "muestra interés")
    	}
    
    	// email profesional: dominios genéricos no penalizan mucho
    	if !strings.Contains(domain, "gmail") && !strings.Contains(domain, "hotmail") &&
    		!strings.Contains(domain, "yahoo") && !strings.Contains(domain, "outlook") {
    		score += 8
    		reasons = append(reasons, "email corporativo")
    	}
    
    	// nombre real vs genérico
    	if looksRealName(name) {
    		score += 5
    	}
    
    	// limitar rango
    	if score > 100 {
    		score = 100
    	}
    	if score < 0 {
    		score = 0
    	}
    
    	status := StatusNew
    	priority := PriorityCold
    	if score >= 75 {
    
    --- stderr ---

[turno 18] bash  {"command": "sed -n '150,210p' internal/scoring/scoring.go"}
    exit=0
    --- stdout ---
    	if score >= 75 {
    		priority = PriorityHot
    	} else if score >= 50 {
    		priority = PriorityWarm
    	}
    
    	reason := strings.Join(reasons, "; ")
    	if reason == "" {
    		reason = "Lead estándar"
    	}
    
    	return Result{Score: score, Priority: priority, Status: status, Reason: reason}
    }
    
    func normalizePhone(p string) string {
    	var b strings.Builder
    	for _, r := range p {
    		if unicode.IsDigit(r) {
    			b.WriteRune(r)
    		}
    	}
    	return b.String()
    }
    
    func isValidEmail(email string) bool {
    	if !emailRe.MatchString(email) {
    		return false
    	}
    	_, err := mail.ParseAddress(email)
    	return err == nil
    }
    
    func extractDomain(email string) string {
    	parts := strings.Split(email, "@")
    	if len(parts) != 2 {
    		return ""
    	}
    	return parts[1]
    }
    
    func looksLikeTestEmail(email string) bool {
    	for _, t := range testStrings {
    		if strings.Contains(email, t) {
    			return true
    		}
    	}
    	return false
    }
    
    func looksLikeTestName(name string) bool {
    	for _, t := range testStrings {
    		if strings.Contains(name, t) {
    			return true
    		}
    	}
    	return false
    }
    
    func allSameDigit(digits []string) bool {
    	if len(digits) < 2 {
    		return false
    
    --- stderr ---

[turno 19] write_file  {"path": "internal/store/store.go", "content": "<<4370 bytes escritos; cuerpo omitido del historial (N1); usa read_file para releerlo>>"}
    ok

[turno 20] read_file  {"path": "internal/store/store.go"}
    package store
    
    import (
    	"database/sql"
    	"errors"
    	"fmt"
    	"time"
    
    	"leads-api/internal/lead"
    
    	"modernc.org/sqlite"
    )
    
    type Store struct {
    	db *sql.DB
    }
    
    func New(dbPath string) (*Store, error) {
    	db, err := sql.Open("sqlite", dbPath+"?_pragma=busy_timeout(5000)&_pragma=journal_mode(WAL)&_pragma=foreign_keys(ON)")
    	if err != nil {
    		return nil, err
    	}
    	if err := db.Ping(); err != nil {
    		return nil, err
    	}
    
    	schema := `
    	CREATE TABLE IF NOT EXISTS leads (
    		id TEXT PRIMARY KEY,
    		name TEXT NOT NULL,
    		email TEXT NOT NULL,
    		phone TEXT NOT NULL,
    		source TEXT NOT NULL,
    		message TEXT NOT NULL,
    		company TEXT,
    		score REAL NOT NULL,
    		priority TEXT NOT NULL,
    		status TEXT NOT NULL,
    		reason TEXT,
    		idempotency_key TEXT UNIQUE,
    		created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
    		UNIQUE(email, source)
    	);
    	CREATE INDEX IF NOT EXISTS idx_leads_status_score ON leads(status, score DESC);
    	CREATE INDEX IF NOT EXISTS idx_leads_source ON leads(source);
    	CREATE INDEX IF NOT EXISTS idx_lea
    …(N2: 1870 chars omitidos en medio)…
    		SELECT id, name, email, phone, source, message, company, score, priority, status, reason, idempotency_key, created_at
    			FROM leads WHERE status != 'discarded' AND source = ? ORDER BY score DESC, created_at DESC
    		`, source)
    	} else {
    		rows, err = s.db.Query(`
    			SELECT id, name, email, phone, source, message, company, score, priority, status, reason, idempotency_key, created_at
    			FROM leads WHERE status != 'discarded' ORDER BY score DESC, created_at DESC
    		`)
    	}
    	if err != nil {
    		return nil, err
    	}
    	defer rows.Close()
    
    	var leads []lead.Lead
    	for rows.Next() {
    		l, err := scanLead(rows)
    		if err != nil {
    			return nil, err
    		}
    		leads = append(leads, *l)
    	}
    	return leads, rows.Err()
    }
    
    type scanner interface {
    	Scan(dest ...any) error
    }
    
    func scanLead(s scanner) (*lead.Lead, error) {
    	var l lead.Lead
    	var company sql.NullString
    	var idem sql.NullString
    	var createdStr string
    
    	err := s.Scan(
    		&l.ID, &l.Name, &l.Email, &l.Phone, &l.Source, &l.Message,
    		&company, &l.Score, &l.Priority, &l.Status, &l.Reason,
    		&idem, &createdStr,
    	)
    	if err != nil {
    		if errors.Is(err, sql.ErrNoRows) {
    			return nil, nil
    		}
    		return nil, err
    	}
    	if company.Valid {
    		l.Company = &company.String
    	}
    	if idem.Valid {
    		l.IdempotencyKey = &idem.String
    	}
    	l.CreatedAt, err = time.Parse(time.RFC3339, createdStr)
    	if err != nil {
    		l.CreatedAt, _ = time.Parse("2006-01-02 15:04:05", createdStr)
    	}
    	return &l, nil
    }
    
    func IsConstraintError(err error) bool {
    	return errors.Is(err, ErrDuplicate)
    }

[turno 21] write_file  {"path": "run.sh", "content": "<<276 bytes escritos; cuerpo omitido del historial (N1); usa read_file para releerlo>>"}
    ok

[turno 22] read_file  {"path": "run.sh"}
    #!/bin/sh
    set -e
    
    cd "$(dirname "$0")"
    
    # Compilar usando dependencias vendoreadas para no depender de red en runtime
    if [ ! -f ./leads-api ] || [ ./main.go -nt ./leads-api ] || [ ./internal -nt ./leads-api ]; then
        go build -mod=vendor -o leads-api .
    fi
    
    exec ./leads-api

[turno 23] bash  {"command": "go version"}
    exit=127
    --- stdout ---
    
    --- stderr ---
    sh: 1: go: not found

[turno 24] bash  {"command": "which go || ls /usr/local/go/bin/go 2>/dev/null || ls /usr/lib/go*/bin/go 2>/dev/null || find / -name \"go\" -type f 2>/dev/null | head -5"}
    exit=0
    --- stdout ---
    
    --- stderr ---

[turno 25] bash  {"command": "cd /tmp && curl -LO https://go.dev/dl/go1.22.5.linux-amd64.tar.gz && tar -xzf go1.22.5.linux-amd64.tar.gz && sudo mv go /usr/local/go 2>/dev/null || mv go /usr/local/go && export PATH=$PATH:/usr/local/go/bin && go version"}
    exit=1
    --- stdout ---
    
    --- stderr ---
    sh: 1: curl: not found
    mv: cannot stat 'go': No such file or directory

[turno 26] bash  {"command": "which wget || which curl || which python3 || which python"}
    exit=0
    --- stdout ---
    /usr/local/bin/python3
    
    --- stderr ---

[turno 27] bash  {"command": "cd /tmp && python3 -c \"import urllib.request; urllib.request.urlretrieve('https://go.dev/dl/go1.22.5.linux-amd64.tar.gz', 'go1.22.5.linux-amd64.tar.gz')\" && ls -la go1.22.5.linux-amd64.tar.gz"}
    exit=1
    --- stdout ---
    
    --- stderr ---
    Traceback (most recent call last):
      File "/usr/local/lib/python3.12/urllib/request.py", line 1344, in do_open
        h.request(req.get_method(), req.selector, req.data, headers,
      File "/usr/local/lib/python3.12/http/client.py", line 1358, in request
        self._send_request(method, url, body, headers, encode_chunked)
      File "/usr/local/lib/python3.12/http/client.py", line 1404, in _send_request
        self.endheaders(body, encode_chunked=encode_chunked)
      File "/usr/local/lib/python3.12/http/client.py", line 1353, in endheaders
        self._send_output(message_body, encode_chunked=encode_chunked)
      File "/usr/local/lib/python3.12/http/client.py", line 1113, in _send_output
        self.send(msg)
      File "/usr/local/lib/python3.12/http/client.py", line 1057, in send
        self.connect()
      File "/usr/local/lib/python3.12/http/client.py", line 1492, in connect
        super().connect()
      File "/usr/local/lib/python3.12/http/client.py", line 1033, in connect
        self._tun
    …(N2: 802 chars omitidos en medio)…
          ^^^^^^^^^^^^^^^^^^^
      File "/usr/local/lib/python3.12/urllib/request.py", line 630, in http_response
        response = self.parent.error(
                   ^^^^^^^^^^^^^^^^^^
      File "/usr/local/lib/python3.12/urllib/request.py", line 553, in error
        result = self._call_chain(*args)
                 ^^^^^^^^^^^^^^^^^^^^^^^
      File "/usr/local/lib/python3.12/urllib/request.py", line 492, in _call_chain
        result = func(*args)
                 ^^^^^^^^^^^
      File "/usr/local/lib/python3.12/urllib/request.py", line 745, in http_error_302
        return self.parent.open(new, timeout=req.timeout)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      File "/usr/local/lib/python3.12/urllib/request.py", line 515, in open
        response = self._open(req, data)
                   ^^^^^^^^^^^^^^^^^^^^^
      File "/usr/local/lib/python3.12/urllib/request.py", line 532, in _open
        result = self._call_chain(self.handle_open, protocol, protocol +
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      File "/usr/local/lib/python3.12/urllib/request.py", line 492, in _call_chain
        result = func(*args)
                 ^^^^^^^^^^^
      File "/usr/local/lib/python3.12/urllib/request.py", line 1392, in https_open
        return self.do_open(http.client.HTTPSConnection, req,
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      File "/usr/local/lib/python3.12/urllib/request.py", line 1347, in do_open
        raise URLError(err)
    urllib.error.URLError: <urlopen error Tunnel connection failed: 403 Filtered>

[turno 28] bash  {"command": "env | grep -i proxy"}
    exit=0
    --- stdout ---
    HTTPS_PROXY=http://modellab-proxy:8888
    no_proxy=localhost,127.0.0.1,::1
    NO_PROXY=localhost,127.0.0.1,::1
    https_proxy=http://modellab-proxy:8888
    http_proxy=http://modellab-proxy:8888
    HTTP_PROXY=http://modellab-proxy:8888
    
    --- stderr ---

[turno 29] bash  {"command": "apt-get update 2>&1 | head -20"}
    exit=0
    --- stdout ---
    Hit:1 http://deb.debian.org/debian trixie InRelease
    Get:2 http://deb.debian.org/debian trixie-updates InRelease [47.3 kB]
    Get:3 http://deb.debian.org/debian-security trixie-security InRelease [43.4 kB]
    Get:4 http://deb.debian.org/debian trixie/main amd64 Packages [9671 kB]
    Get:5 http://deb.debian.org/debian trixie-updates/main amd64 Packages [5412 B]
    Get:6 http://deb.debian.org/debian-security trixie-security/main amd64 Packages [223 kB]
    Fetched 9990 kB in 7s (1465 kB/s)
    Reading package lists...
    
    --- stderr ---

[turno 30] bash  {"command": "apt-get install -y golang-go 2>&1 | tail -20"}
    exit=0
    --- stdout ---
    Setting up libgprofng0:amd64 (2.44-3) ...
    Setting up cpp-14-x86-64-linux-gnu (14.2.0-19) ...
    Setting up cpp-14 (14.2.0-19) ...
    Setting up libc6-dev:amd64 (2.41-12+deb13u3) ...
    Setting up libgcc-14-dev:amd64 (14.2.0-19) ...
    Setting up libstdc++-14-dev:amd64 (14.2.0-19) ...
    Setting up binutils-x86-64-linux-gnu (2.44-3) ...
    Setting up cpp-x86-64-linux-gnu (4:14.2.0-1) ...
    Setting up binutils (2.44-3) ...
    Setting up cpp (4:14.2.0-1) ...
    Setting up gcc-14-x86-64-linux-gnu (14.2.0-19) ...
    Setting up gcc-x86-64-linux-gnu (4:14.2.0-1) ...
    Setting up gcc-14 (14.2.0-19) ...
    Setting up g++-14-x86-64-linux-gnu (14.2.0-19) ...
    Setting up g++-x86-64-linux-gnu (4:14.2.0-1) ...
    Setting up g++-14 (14.2.0-19) ...
    Setting up gcc (4:14.2.0-1) ...
    Setting up g++ (4:14.2.0-1) ...
    update-alternatives: using /usr/bin/g++ to provide /usr/bin/c++ (c++) in auto mode
    Processing triggers for libc-bin (2.41-12+deb13u3) ...
    
    --- stderr ---

[turno 31] bash  {"command": "go version"}
    exit=0
    --- stdout ---
    go version go1.24.4 linux/amd64
    
    --- stderr ---

[turno 32] bash  {"command": "go mod tidy"}
    exit=1
    --- stdout ---
    
    --- stderr ---
    go: downloading modernc.org/sqlite v1.33.1
    go: leads-api/internal/store imports
    	modernc.org/sqlite: modernc.org/sqlite@v1.33.1: Get "https://storage.googleapis.com/proxy-golang-org-prod/0bd9a23d4680f640-modernc.org:sqlite-v1.33.1.zip?Expires=1782644391&GoogleAccessId=gcs-urlsigner-prod%40golang-modproxy.iam.gserviceaccount.com&Signature=wRbddUb0rq%2Bmnr1MbuQWpUViBx4Jduxo%2BnXQtNXfsx0aQg1mU2hSuc82xCA9OyzGEE%2F5Q7AqvavUVe0Oq6ib5KIMBeNaQ876%2BSvqaUvXH0DXdLmk9WC8Gtbv%2FYbj9Eg2kLBM%2B2q%2FcME905wlKcQ49qGi0a%2Fy6ezOESyn1biKe61qBS7MvzDLq0OVBQ8dmXveaqnRPFAxDKlAXLRjru9he8zgGL9pya4g3h9IHSIbhWmArhf5CjeFhjztyvhMn83uwDoUe5OREVJJKbAuWOyIx5ae7BCjnSTBu%2BCrhjslb6%2FL5KEo1jF78OlCs30wwPsGQpeerssYQNIx2wNS8N3vBw%3D%3D": Filtered

[turno 33] bash  {"command": "GOPROXY=direct go mod tidy"}
    exit=1
    --- stdout ---
    
    --- stderr ---
    go: downloading modernc.org/sqlite v1.33.1
    go: leads-api/internal/store imports
    	modernc.org/sqlite: unrecognized import path "modernc.org/sqlite": https fetch: Get "https://modernc.org/sqlite?go-get=1": Filtered

[turno 34] bash  {"command": "ls -la $(go env GOPATH)/pkg/mod 2>/dev/null | head -20 || echo \"no mod cache\""}
    exit=0
    --- stdout ---
    total 12
    drwxr-xr-x 3 root root 4096 Jun 27  2026 .
    drwxr-xr-x 3 root root 4096 Jun 27  2026 ..
    drwxr-xr-x 3 root root 4096 Jun 27  2026 cache
    
    --- stderr ---

[turno 35] write_file  {"path": "go.mod", "content": "<<26 bytes escritos; cuerpo omitido del historial (N1); usa read_file para releerlo>>"}
    ok

[turno 36] read_file  {"path": "go.mod"}
    module leads-api
    
    go 1.24

[turno 37] write_file  {"path": "internal/store/store.go", "content": "<<87 bytes escritos; cuerpo omitido del historial (N1); usa read_file para releerlo>>"}
    ok

[turno 38] write_file  {"path": "internal/store/store.go", "content": "<<4932 bytes escritos; cuerpo omitido del historial (N1); usa read_file para releerlo>>"}
    ok

[turno 39] read_file  {"path": "internal/store/store.go"}
    package store
    
    import (
    	"encoding/json"
    	"errors"
    	"fmt"
    	"os"
    	"path/filepath"
    	"sort"
    	"sync"
    	"time"
    
    	"leads-api/internal/lead"
    )
    
    type persistedLead struct {
    	ID             string    `json:"id"`
    	Name           string    `json:"name"`
    	Email          string    `json:"email"`
    	Phone          string    `json:"phone"`
    	Source         string    `json:"source"`
    	Message        string    `json:"message"`
    	Company        *string   `json:"company,omitempty"`
    	Score          float64   `json:"score"`
    	Priority       string    `json:"priority"`
    	Status         string    `json:"status"`
    	Reason         string    `json:"reason"`
    	IdempotencyKey *string   `json:"idempotency_key,omitempty"`
    	CreatedAt      time.Time `json:"created_at"`
    }
    
    type Store struct {
    	mu       sync.RWMutex
    	path     string
    	leads    map[string]*lead.Lead
    	byEmail  map[string]*lead.Lead // key: email|source
    	byIdem   map[string]*lead.Lead
    	dirty    bool
    }
    
    func New(dbPath string) (*Store, error) {
    	if dbPath == "" {
    		d
    …(N2: 2432 chars omitidos en medio)…
            p.ID,
    			Name:           p.Name,
    			Email:          p.Email,
    			Phone:          p.Phone,
    			Source:         p.Source,
    			Message:        p.Message,
    			Company:        p.Company,
    			Score:          p.Score,
    			Priority:       p.Priority,
    			Status:         p.Status,
    			Reason:         p.Reason,
    			IdempotencyKey: p.IdempotencyKey,
    			CreatedAt:      p.CreatedAt.UTC(),
    		}
    		s.leads[l.ID] = &l
    		s.byEmail[emailSourceKey(l.Email, l.Source)] = &l
    		if l.IdempotencyKey != nil {
    			s.byIdem[*l.IdempotencyKey] = &l
    		}
    	}
    	return nil
    }
    
    func (s *Store) saveLocked() error {
    	if !s.dirty {
    		return nil
    	}
    
    	persisted := make([]persistedLead, 0, len(s.leads))
    	for _, l := range s.leads {
    		persisted = append(persisted, persistedLead{
    			ID:             l.ID,
    			Name:           l.Name,
    			Email:          l.Email,
    			Phone:          l.Phone,
    			Source:         l.Source,
    			Message:        l.Message,
    			Company:        l.Company,
    			Score:          l.Score,
    			Priority:       l.Priority,
    			Status:         l.Status,
    			Reason:         l.Reason,
    			IdempotencyKey: l.IdempotencyKey,
    			CreatedAt:      l.CreatedAt.UTC(),
    		})
    	}
    
    	data, err := json.MarshalIndent(persisted, "", "  ")
    	if err != nil {
    		return err
    	}
    
    	if err := os.MkdirAll(filepath.Dir(s.path), 0755); err != nil {
    		return err
    	}
    
    	tmp := s.path + ".tmp"
    	if err := os.WriteFile(tmp, data, 0644); err != nil {
    		return err
    	}
    	if err := os.Rename(tmp, s.path); err != nil {
    		return err
    	}
    	s.dirty = false
    	return nil
    }

[turno 40] bash  {"command": "wc -l internal/store/store.go && sed -n '1,80p' internal/store/store.go && sed -n '80,170p' internal/store/store.go"}
    exit=0
    --- stdout ---
    232 internal/store/store.go
    package store
    
    import (
    	"encoding/json"
    	"errors"
    	"fmt"
    	"os"
    	"path/filepath"
    	"sort"
    	"sync"
    	"time"
    
    	"leads-api/internal/lead"
    )
    
    type persistedLead struct {
    	ID             string    `json:"id"`
    	Name           string    `json:"name"`
    	Email          string    `json:"email"`
    	Phone          string    `json:"phone"`
    	Source         string    `json:"source"`
    	Message        string    `json:"message"`
    	Company        *string   `json:"company,omitempty"`
    	Score          float64   `json:"score"`
    	Priority       string    `json:"priority"`
    	Status         string    `json:"status"`
    	Reason         string    `json:"reason"`
    	IdempotencyKey *string   `json:"idempotency_key,omitempty"`
    	CreatedAt      time.Time `json:"created_at"`
    }
    
    type Store struct {
    	mu       sync.RWMutex
    	path     string
    	leads    map[string]*lead.Lead
    	byEmail  map[string]*lead.Lead // key: email|source
    	byIdem   map[string]*lead.Lead
    	dirty    bool
    }
    
    func New(dbPat
    …(N2: 1096 chars omitidos en medio)…
    .byIdem[key]), nil
    }
    
    func (s *Store) FindByEmailAndSource(email, source string) (*lead.Lead, error) {
    	s.mu.RLock()
    	defer s.mu.RUnlock()
    	return copyLead(s.byEmail[emailSourceKey(email, source)]), nil
    }
    
    func (s *Store) Get(id string) (*lead.Lead, error) {
    	s.mu.RLock()
    	defer s.mu.RUnlock()
    	return copyLead(s.leads[id]), nil
    }
    
    func (s *Store) List(source string) ([]lead.Lead, error) {
    	s.mu.RLock()
    	defer s.mu.RUnlock()
    
    	var out []lead.Lead
    	for _, l := range s.leads {
    		if l.Status == "discarded" {
    			continue
    		}
    		if source != "" && l.Source != source {
    			continue
    		}
    		out = append(out, *copyLead(l))
    	}
    
    	sort.Slice(out, func(i, j int) bool {
    		if out[i].Score != out[j].Score {
    			return out[i].Score > out[j].Score
    		}
    		return out[i].CreatedAt.After(out[j].CreatedAt)
    	})
    
    	return out, nil
    }
    
    func IsConstraintError(err error) bool {
    	return errors.Is(err, ErrDuplicate)
    }
    
    func emailSourceKey(email, source string) string {
    	return email + "\x00" + source
    }
    
    func copyLead(l *lead.Lead) *lead.Lead {
    	if l == nil {
    		return nil
    	}
    	cp := *l
    	return &cp
    }
    
    func (s *Store) load() error {
    	data, err := os.ReadFile(s.path)
    	if err != nil {
    		if os.IsNotExist(err) {
    			return nil
    		}
    		return err
    	}
    
    	var persisted []persistedLead
    	if err := json.Unmarshal(data, &persisted); err != nil {
    		return err
    	}
    
    	for _, p := range persisted {
    		l := lead.Lead{
    			ID:             p.ID,
    			Name:           p.Name,
    			Email:          p.Email,
    			Phone:          p.Phone,
    
    --- stderr ---

[turno 41] bash  {"command": "sed -n '37,90p' internal/store/store.go"}
    exit=0
    --- stdout ---
    	byIdem   map[string]*lead.Lead
    	dirty    bool
    }
    
    func New(dbPath string) (*Store, error) {
    	if dbPath == "" {
    		dbPath = "leads.db"
    	}
    
    	s := &Store{
    		path:    dbPath,
    		leads:   make(map[string]*lead.Lead),
    		byEmail: make(map[string]*lead.Lead),
    		byIdem:  make(map[string]*lead.Lead),
    	}
    
    	if err := s.load(); err != nil {
    		return nil, fmt.Errorf("load store: %w", err)
    	}
    	return s, nil
    }
    
    func (s *Store) Close() error {
    	s.mu.Lock()
    	defer s.mu.Unlock()
    	return s.saveLocked()
    }
    
    func (s *Store) Create(l *lead.Lead) error {
    	s.mu.Lock()
    	defer s.mu.Unlock()
    
    	emailKey := emailSourceKey(l.Email, l.Source)
    	if s.byEmail[emailKey] != nil {
    		return ErrDuplicate
    	}
    	if l.IdempotencyKey != nil && s.byIdem[*l.IdempotencyKey] != nil {
    		return ErrDuplicate
    	}
    
    	if l.CreatedAt.IsZero() {
    		l.CreatedAt = time.Now().UTC()
    	}
    
    	s.leads[l.ID] = l
    	s.byEmail[emailKey] = l
    	if l.IdempotencyKey != nil {
    		s.byIdem[*l.IdempotencyKey] = l
    	}
    	s.dirty = true
    	return s.saveLocked()
    }
    
    var ErrDuplicate = errors.New("duplicate lead")
    
    --- stderr ---

[turno 42] bash  {"command": "go build -o leads-api ."}
    exit=0
    --- stdout ---
    
    --- stderr ---

[turno 43] bash  {"command": "which wget || which curl"}
    exit=1
    --- stdout ---
    
    --- stderr ---

[turno 44] bash  {"command": "LEADS_DB_PATH=/tmp/leads_test.db PORT=8080 ./leads-api &\nSERVER_PID=$!\nsleep 1\n\n# Test health\npython3 -c \"import urllib.request; print(urllib.request.urlopen('http://localhost:8080/health').read().decode())\"\n\n# Test create good lead\npython3 - <<'PY'\nimport urllib.request, json\nreq = urllib.request.Request(\n    'http://localhost:8080/leads',\n    data=json.dumps({\n        'name': 'Juan Pérez',\n        'email': 'juan.perez@empresa.com',\n        'phone': '+34 612 345 678',\n        'source': 'contacto-web',\n        'message': 'Hola, estoy interesado en comprar vuestro producto. Me gustaría recibir un presupuesto para 10 usuarios. Podéis llamarme por la mañana.',\n        'company': 'Acme SL'\n    }).encode(),\n    headers={'Content-Type': 'application/json'}\n)\nresp = urllib.request.urlopen(req)\nprint('status', resp.status)\nprint(resp.read().decode())\nPY\n\n# Test duplicate by email+source\npython3 - <<'PY'\nimport urllib.request, json\nreq = urllib.request.Request(\n    'http://localhost:8080/leads',\n    data=json.dumps({\n        'name': 'Juan Pérez',\n        'email': 'juan.perez@empresa.com',\n        'phone': '+34 612 345 678',\n        'source': 'contacto-web',\n        'message': 'Otra vez'\n    }).encode(),\n    headers={'Content-Type': 'application/json'}\n)\nresp = urllib.request.urlopen(req)\nprint('status', resp.status)\nprint(resp.read().decode())\nPY\n\n# Test idempotency key\npython3 - <<'PY'\nimport urllib.request, json\nreq = urllib.request.Request(\n    'http://localhost:8080/leads',\n    data=json.dumps({\n        'name': 'Ana López',\n        'email': 'ana.lopez@empresa.com',\n        'phone': '+34 600 111 222',\n        'source': 'landing-campaign',\n        'message': 'Quiero una demo presupuesto comprar'\n    }).encode(),\n    headers={'Content-Type': 'application/json', 'Idempotency-Key': 'idem-123'}\n)\nresp = urllib.request.urlopen(req)\nprint('idem status', resp.status)\nid1 = json.loads(resp.read())['id']\n\nreq2 = urllib.request.Request(\n    'http://localhost:8080/leads',\n    data=json.dumps({\n        'name': 'Otra Persona',\n        'email': 'otra@empresa.com',\n        'phone': '+34 600 111 222',\n        'source': 'landing-campaign',\n        'message': 'Quiero una demo presupuesto comprar'\n    }).encode(),\n    headers={'Content-Type': 'application/json', 'Idempotency-Key': 'idem-123'}\n)\nresp2 = urllib.request.urlopen(req2)\nid2 = json.loads(resp2.read())['id']\nprint('same id?', id1 == id2, id1, id2)\nPY\n\n# Test spam lead should not appear in list\npython3 - <<'PY'\nimport urllib.request, json\nreq = urllib.request.Request(\n    'http://localhost:8080/leads',\n    data=json.dumps({\n        'name': 'asdf',\n        'email': 'test@test.com',\n        'phone': '123456789',\n        'source': 'contacto-web',\n        'message': 'spam viagra'\n    }).encode(),\n    headers={'Content-Type': 'application/json'}\n)\nresp = urllib.request.urlopen(req)\nprint('spam status', resp.status)\nprint(resp.read().decode())\nPY\n\n# Test list\npython3 - <<'PY'\nimport urllib.request, json\nresp = urllib.request.urlopen('http://localhost:8080/leads')\nleads = json.loads(resp.read())\nprint('leads count', len(leads))\nfor l in leads:\n    print(l['id'], l['score'], l['priority'], l['status'], l['email'])\nPY\n\nkill $SERVER_PID\nwait $SERVER_PID 2>/dev/null || true"}
    exit=0
    --- stdout ---
    {"status":"ok"}
    status 201
    {"id":"496bbaef1e74279d"}
    
    status 200
    {"id":"496bbaef1e74279d"}
    
    idem status 201
    same id? True 4ec724425fe1b25a 4ec724425fe1b25a
    spam status 201
    {"id":"9c320198caee2d9f"}
    
    leads count 2
    496bbaef1e74279d 100 hot new juan.perez@empresa.com
    4ec724425fe1b25a 81 hot new ana.lopez@empresa.com
    
    --- stderr ---
    2026/06/27 11:02:19 listening on 0.0.0.0:8080
    2026/06/27 11:02:21 shutting down

[turno 45] write_file  {"path": "DECISIONS.md", "content": "<<87 bytes escritos; cuerpo omitido del historial (N1); usa read_file para releerlo>>"}
    ok

[turno 46] read_file  {"path": "DECISIONS.md"}
    <<2841 bytes escritos; cuerpo omitido del historial (N1); usa read_file para releerlo>>

[turno 47] write_file  {"path": "DECISIONS.md", "content": "<<2847 bytes escritos; cuerpo omitido del historial (N1); usa read_file para releerlo>>"}
    ok

[turno 48] read_file  {"path": "DECISIONS.md"}
    # Decisiones de diseño
    
    ## Stack
    
    - **Lenguaje:** Go
    - **Framework HTTP:** `net/http` de la librería estándar
    - **Persistencia:** Almacenamiento en memoria con sincronización atómica a un fichero JSON
    - **Arquitectura:** API REST monolito autocontenido, sin dependencias externas
    
    ## Por qué
    
    1. **VPS modesto y barato**: Go compila a un único binario con footprint pequeño y buen rendimiento en pocos recursos.
    2. **Sin red en runtime**: No dependemos de servicios externos (LLMs, APIs de terceros, SaaS de scoring, ni siquiera de una base de datos remota). Todo el filtrado, scoring y almacenamiento se hace localmente.
    3. **Sin dependencias de terceros**: He optado por no usar drivers de SQLite ni otros paquetes externos para garantizar que la aplicación se construye y despliega sin acceso a red ni a repositorios de módulos.
    4. **Mantenibilidad para un equipo pequeño**: El código es explícito, fácil de desplegar (`./run.sh`) y de auditar. No hay contenedores ni orquestadores innecesarios.
    5
    …(N2: 307 chars omitidos en medio)…
    escartar basura**:
      - Emails de prueba o dominios descartables/temporales.
      - Teléfonos inválidos o claramente falsos (ej. `123456789`, `000000000`).
      - Mensajes vacíos o demasiado cortos.
      - Nombres genéricos de prueba (`asdf`, `test`, `foo`).
      - Leads marcados explícitamente como spam por palabras clave.
    - **Priorizar**:
      - Formato correcto de email y teléfono.
      - Presencia de `company` (empresa = más probable B2B y compra real).
      - Mensaje largo y con palabras de intención de compra (`comprar`, `presupuesto`, `interesado`, `llamar`, `demo`, `precio`, etc.).
      - Penalizar palabras de broma/spam.
    - **Ordenación**: `GET /leads` devuelve solo leads no descartados ordenados por `score` descendente, de modo que el equipo llame primero a los más calientes.
    
    ## Campos extra en el lead
    
    Se añaden en la raíz del JSON para facilitar la integración con el panel:
    
    - `score`: número entre 0 y 100.
    - `priority`: `"hot"`, `"warm"` o `"cold"`.
    - `status`: `"new"`, `"contacted"`, `"discarded"`.
    - `reason`: texto explicando por qué se priorizó o descartó.
    - `created_at`: fecha de creación ISO 8601.
    
    ## Idempotencia y duplicados
    
    - `POST /leads` acepta el header `Idempotency-Key`. Dos peticiones con la misma clave devuelven el mismo `id` sin crear duplicados.
    - Además, se impone una restricción única sobre `(email, source)` para evitar el típico doble submit del formulario.
    - El fichero JSON se escribe de forma atómica (fichero temporal + rename) para no corromper datos ante un corte.

[turno 49] write_file  {"path": "run.sh", "content": "<<86 bytes escritos; cuerpo omitido del historial (N1); usa read_file para releerlo>>"}
    ok

[turno 50] read_file  {"path": "run.sh"}
    <<202 bytes escritos; cuerpo omitido del historial (N1); usa read_file para releerlo>>

[turno 51] bash  {"command": "cat run.sh"}
    exit=0
    --- stdout ---
    <<202 bytes escritos; cuerpo omitido del historial (N1); usa read_file para releerlo>>
    --- stderr ---

[turno 52] write_file  {"path": "run.sh", "content": "<<250 bytes escritos; cuerpo omitido del historial (N1); usa read_file para releerlo>>"}
    ok

[turno 53] bash  {"command": "cat run.sh"}
    exit=0
    --- stdout ---
    #!/bin/sh
    set -e
    
    cd "$(dirname "$0")"
    
    # Compilar si no existe el binario o el fuente es más reciente
    if [ ! -f ./leads-api ] || [ ./main.go -nt ./leads-api ] || [ ./internal -nt ./leads-api ]; then
        go build -o leads-api .
    fi
    
    exec ./leads-api
    
    --- stderr ---

[turno 54] bash  {"command": "chmod +x run.sh && ls -la run.sh"}
    exit=0
    --- stdout ---
    -rwxr-xr-x 1 root root 250 Jun 27 11:02 run.sh
    
    --- stderr ---

[turno 55] bash  {"command": "rm -f leads.db /tmp/leads_runtest.db\nLEADS_DB_PATH=/tmp/leads_runtest.db ./run.sh &\nSERVER_PID=$!\nsleep 2\npython3 - <<'PY'\nimport urllib.request, json\n# health\nprint(urllib.request.urlopen('http://localhost:8080/health').read().decode())\n# create\nreq = urllib.request.Request('http://localhost:8080/leads', data=json.dumps({\n    'name':'Maria Garcia','email':'maria@empresa.com','phone':'+34600111222','source':'web','message':'quiero presupuesto'\n}).encode(), headers={'Content-Type':'application/json'})\nprint('create', urllib.request.urlopen(req).status, urllib.request.urlopen(req).read().decode())\n# list\nprint('list', json.loads(urllib.request.urlopen('http://localhost:8080/leads').read()))\nPY\nkill $SERVER_PID\nwait $SERVER_PID 2>/dev/null || true"}
    exit=0
    --- stdout ---
    {"status":"ok"}
    create 201 {"id":"0e5c02b281c3e005"}
    
    list [{'id': '0e5c02b281c3e005', 'name': 'Maria Garcia', 'email': 'maria@empresa.com', 'phone': '+34600111222', 'source': 'web', 'message': 'quiero presupuesto', 'score': 70, 'priority': 'warm', 'status': 'new', 'reason': 'muestra interés; email corporativo', 'created_at': '2026-06-27T11:03:03.286002855Z'}]
    
    --- stderr ---
    2026/06/27 11:03:01 listening on 0.0.0.0:8080
    2026/06/27 11:03:03 shutting down

[turno 56] write_file  {"path": "go.mod", "content": "<<85 bytes escritos; cuerpo omitido del historial (N1); usa read_file para releerlo>>"}
    ok

[turno 57] bash  {"command": "cat go.mod"}
    exit=0
    --- stdout ---
    <<26 bytes escritos; cuerpo omitido del historial (N1); usa read_file para releerlo>>
    --- stderr ---

[turno 58] write_file  {"path": "go.mod", "content": "<<26 bytes escritos; cuerpo omitido del historial (N1); usa read_file para releerlo>>"}
    ok

[turno 59] bash  {"command": "cat go.mod"}
    exit=0
    --- stdout ---
    module leads-api
    
    go 1.22
    
    --- stderr ---

[turno 60] bash  {"command": "go build -o leads-api . && ls -la leads-api"}
    exit=0
    --- stdout ---
    -rwxr-xr-x 1 root root 9154653 Jun 27 11:03 leads-api
    
    --- stderr ---

[turno 61] bash  {"command": "rm -f /tmp/leads_final_test.db\nLEADS_DB_PATH=/tmp/leads_final_test.db ./leads-api &\nSERVER_PID=$!\nsleep 1\n\npython3 - <<'PY'\nimport urllib.request, urllib.error, json, sys\n\ndef post(data, idem=None):\n    headers = {'Content-Type': 'application/json'}\n    if idem:\n        headers['Idempotency-Key'] = idem\n    req = urllib.request.Request('http://localhost:8080/leads', data=json.dumps(data).encode(), headers=headers)\n    try:\n        resp = urllib.request.urlopen(req)\n        return resp.status, json.loads(resp.read())\n    except urllib.error.HTTPError as e:\n        return e.code, json.loads(e.read())\n\ndef get(url):\n    try:\n        resp = urllib.request.urlopen(url)\n        return resp.status, json.loads(resp.read())\n    except urllib.error.HTTPError as e:\n        return e.code, json.loads(e.read())\n\n# 1. Create good lead\nstatus, body = post({\n    'name': 'Carlos Ruiz',\n    'email': 'carlos.ruiz@techcorp.com',\n    'phone': '+34 611 222 333',\n    'source': 'web-contact',\n    'message': 'Hola, necesito un presupuesto para mi equipo de 20 personas. Estoy comparando opciones y me interesa una demo. Podéis llamarme mañana por la mañana.',\n    'company': 'TechCorp'\n}, idem='create-1')\nassert status == 201, f'expected 201 got {status}'\nid1 = body['id']\nprint('1 create good:', id1)\n\n# 2. Idempotency returns same id\nstatus2, body2 = post({\n    'name': 'Otro Nombre',\n    'email': 'otro@example.com',\n    'phone': '+34 600 000 000',\n    'source': 'web-contact',\n    'message': 'different message'\n}, idem='create-1')\nassert body2['id'] == id1, f'idempotency failed: {body2}'\nprint('2 idempotency same id:', body2['id'])\n\n# 3. Duplicate email+source returns same id\nstatus3, body3 = post({\n    'name': 'Carlos Ruiz',\n    'email': 'carlos.ruiz@techcorp.com',\n    'phone': '+34 611 222 333',\n    'source': 'web-contact',\n    'message': 'double submit'\n})\nassert body3['id'] == id1, f'duplicate failed: {body3}'\nprint('3 duplicate same id:', body3['id'])\n\n# 4. Create lower priority lead\nstatus4, body4 = post({\n    'name': 'Laura',\n    'email': 'laura@gmail.com',\n    'phone': '+34 622 333 444',\n    'source': 'web-contact',\n    'message': 'hola'\n})\nid2 = body4['id']\nprint('4 create lower:', id2, 'score', get(f'http://localhost:8080/leads/{id2}')[1]['score'])\n\n# 5. Create spam lead\nstatus5, body5 = post({\n    'name': 'asdf',\n    'email': 'test@test.com',\n    'phone': '123456789',\n    'source': 'web-contact',\n    'message': 'viagra spam'\n})\nprint('5 spam created id:', body5['id'])\n\n# 6. List should have 2 leads (not spam), ordered by score desc\nstatus6, leads = get('http://localhost:8080/leads')\nassert status6 == 200\nids = [l['id'] for l in leads]\nprint('6 list ids:', ids, 'count:', len(leads))\nassert len(leads) == 2\nassert ids[0] == id1\nassert ids[1] == id2\nfor l in leads:\n    assert l['status'] != 'discarded'\n    assert 'score' in l and 'priority' in l and 'reason' in l\n\n# 7. Filter by source\n_, leads_web = get('http://localhost:8080/leads?source=web-contact')\n_, leads_other = get('http://localhost:8080/leads?source=nonexistent')\nassert len(leads_web) == 2\nassert len(leads_other) == 0\nprint('7 source filter ok')\n\n# 8. Get by id\nstatus8, lead1 = get(f'http://localhost:8080/leads/{id1}')\nassert status8 == 200\nassert lead1['id'] == id1\nassert lead1['email'] == 'carlos.ruiz@techcorp.com'\nprint('8 get by id ok')\n\n# 9. 404\nstatus9, _ = get('http://localhost:8080/leads/noexiste')\nassert status9 == 404\nprint('9 404 ok')\n\n# 10. Verify fields at root level\nassert lead1['id'] and lead1['name'] and lead1['email'] and lead1['phone'] and lead1['source'] and lead1['message']\nassert lead1['company'] == 'TechCorp'\nprint('10 root fields ok')\n\nprint('ALL TESTS PASSED')\nPY\n\nkill $SERVER_PID\nwait $SERVER_PID 2>/dev/null || true"}
    exit=0
    --- stdout ---
    1 create good: 2cd1df3c3ae48d63
    2 idempotency same id: 2cd1df3c3ae48d63
    3 duplicate same id: 2cd1df3c3ae48d63
    4 create lower: fe501f407989ba4a score 0
    5 spam created id: ee5c04ef2f63acb3
    6 list ids: ['2cd1df3c3ae48d63'] count: 1
    
    --- stderr ---
    2026/06/27 11:03:37 listening on 0.0.0.0:8080
    Traceback (most recent call last):
      File "<stdin>", line 82, in <module>
    AssertionError
    2026/06/27 11:03:38 shutting down

[turno 62] bash  {"command": "rm -f /tmp/leads_final_test.db\nLEADS_DB_PATH=/tmp/leads_final_test.db ./leads-api &\nSERVER_PID=$!\nsleep 1\n\npython3 - <<'PY'\nimport urllib.request, urllib.error, json, sys\n\ndef post(data, idem=None):\n    headers = {'Content-Type': 'application/json'}\n    if idem:\n        headers['Idempotency-Key'] = idem\n    req = urllib.request.Request('http://localhost:8080/leads', data=json.dumps(data).encode(), headers=headers)\n    try:\n        resp = urllib.request.urlopen(req)\n        return resp.status, json.loads(resp.read())\n    except urllib.error.HTTPError as e:\n        return e.code, json.loads(e.read())\n\ndef get(url):\n    try:\n        resp = urllib.request.urlopen(url)\n        return resp.status, json.loads(resp.read())\n    except urllib.error.HTTPError as e:\n        return e.code, json.loads(e.read())\n\n# 1. Create good lead\nstatus, body = post({\n    'name': 'Carlos Ruiz',\n    'email': 'carlos.ruiz@techcorp.com',\n    'phone': '+34 611 222 333',\n    'source': 'web-contact',\n    'message': 'Hola, necesito un presupuesto para mi equipo de 20 personas. Estoy comparando opciones y me interesa una demo. Podéis llamarme mañana por la mañana.',\n    'company': 'TechCorp'\n}, idem='create-1')\nassert status == 201, f'expected 201 got {status}'\nid1 = body['id']\nprint('1 create good:', id1)\n\n# 2. Idempotency returns same id\nstatus2, body2 = post({\n    'name': 'Otro Nombre',\n    'email': 'otro@example.com',\n    'phone': '+34 600 000 000',\n    'source': 'web-contact',\n    'message': 'different message'\n}, idem='create-1')\nassert body2['id'] == id1, f'idempotency failed: {body2}'\nprint('2 idempotency same id:', body2['id'])\n\n# 3. Duplicate email+source returns same id\nstatus3, body3 = post({\n    'name': 'Carlos Ruiz',\n    'email': 'carlos.ruiz@techcorp.com',\n    'phone': '+34 611 222 333',\n    'source': 'web-contact',\n    'message': 'double submit'\n})\nassert body3['id'] == id1, f'duplicate failed: {body3}'\nprint('3 duplicate same id:', body3['id'])\n\n# 4. Create lower priority lead (longer message so not discarded)\nstatus4, body4 = post({\n    'name': 'Laura Martinez',\n    'email': 'laura@gmail.com',\n    'phone': '+34 622 333 444',\n    'source': 'web-contact',\n    'message': 'Buenos días, me gustaría información general sobre vuestros servicios. Gracias.'\n})\nid2 = body4['id']\nprint('4 create lower:', id2, 'score', get(f'http://localhost:8080/leads/{id2}')[1]['score'])\n\n# 5. Create spam lead\nstatus5, body5 = post({\n    'name': 'asdf',\n    'email': 'test@test.com',\n    'phone': '123456789',\n    'source': 'web-contact',\n    'message': 'viagra spam'\n})\nprint('5 spam created id:', body5['id'])\n\n# 6. List should have 2 leads (not spam), ordered by score desc\nstatus6, leads = get('http://localhost:8080/leads')\nassert status6 == 200\nids = [l['id'] for l in leads]\nprint('6 list ids:', ids, 'count:', len(leads))\nassert len(leads) == 2, f'expected 2 leads, got {len(leads)}'\nassert ids[0] == id1\nassert ids[1] == id2\nfor l in leads:\n    assert l['status'] != 'discarded'\n    assert 'score' in l and 'priority' in l and 'reason' in l\n\n# 7. Filter by source\n_, leads_web = get('http://localhost:8080/leads?source=web-contact')\n_, leads_other = get('http://localhost:8080/leads?source=nonexistent')\nassert len(leads_web) == 2\nassert len(leads_other) == 0\nprint('7 source filter ok')\n\n# 8. Get by id\nstatus8, lead1 = get(f'http://localhost:8080/leads/{id1}')\nassert status8 == 200\nassert lead1['id'] == id1\nassert lead1['email'] == 'carlos.ruiz@techcorp.com'\nprint('8 get by id ok')\n\n# 9. 404\nstatus9, _ = get('http://localhost:8080/leads/noexiste')\nassert status9 == 404\nprint('9 404 ok')\n\n# 10. Verify fields at root level\nassert lead1['id'] and lead1['name'] and lead1['email'] and lead1['phone'] and lead1['source'] and lead1['message']\nassert lead1['company'] == 'TechCorp'\nprint('10 root fields ok')\n\nprint('ALL TESTS PASSED')\nPY\n\nkill $SERVER_PID\nwait $SERVER_PID 2>/dev/null || true"}
    exit=0
    --- stdout ---
    1 create good: 350205dea4349346
    2 idempotency same id: 350205dea4349346
    3 duplicate same id: 350205dea4349346
    4 create lower: 2141fc1cc9f125d1 score 78
    5 spam created id: a9bce5033175e3d9
    6 list ids: ['350205dea4349346', '2141fc1cc9f125d1'] count: 2
    7 source filter ok
    8 get by id ok
    9 404 ok
    10 root fields ok
    ALL TESTS PASSED
    
    --- stderr ---
    2026/06/27 11:03:57 listening on 0.0.0.0:8080
    2026/06/27 11:03:58 shutting down

[turno 63] bash  {"command": "rm -f leads-api /tmp/leads_test.db /tmp/leads_runtest.db /tmp/leads_final_test.db leads.db && ls -la"}
    exit=0
    --- stdout ---
    total 32
    drwxr-xr-x 3 root root 4096 Jun 27 11:04 .
    drwxr-xr-x 1 root root 4096 Jun 27 10:56 ..
    -rw-r--r-- 1 root root 2847 Jun 27 11:02 DECISIONS.md
    -rw-r--r-- 1 root root 3503 Jun 27 10:56 README.md
    -rw-r--r-- 1 root root   26 Jun 27 11:03 go.mod
    drwxr-xr-x 6 root root 4096 Jun 27 10:58 internal
    -rw-r--r-- 1 root root 1417 Jun 27 10:58 main.go
    -rwxr-xr-x 1 root root  250 Jun 27 11:02 run.sh
    
    --- stderr ---

[turno 64] bash  {"command": "LEADS_DB_PATH=/tmp/leads_verify.db PORT=8080 timeout 5 ./run.sh &\nSERVER_PID=$!\nsleep 2\npython3 -c \"import urllib.request; print(urllib.request.urlopen('http://localhost:8080/health').read().decode())\"\nkill $SERVER_PID 2>/dev/null\nwait $SERVER_PID 2>/dev/null || true\nrm -f /tmp/leads_verify.db leads-api"}
    exit=0
    --- stdout ---
    {"status":"ok"}
    
    --- stderr ---
    2026/06/27 11:04:04 listening on 0.0.0.0:8080
    2026/06/27 11:04:06 shutting down

[turno 65] bash  {"command": "echo '=== main.go ===' && cat main.go && echo '=== lead.go ===' && cat internal/lead/lead.go && echo '=== handler.go ===' && cat internal/handler/handler.go"}
    exit=0
    --- stdout ---
    === main.go ===
    package main
    
    import (
    	"context"
    	"log"
    	"net/http"
    	"os"
    	"os/signal"
    	"syscall"
    	"time"
    
    	"leads-api/internal/handler"
    	"leads-api/internal/store"
    )
    
    func main() {
    	dbPath := os.Getenv("LEADS_DB_PATH")
    	if dbPath == "" {
    		dbPath = "leads.db"
    	}
    
    	port := os.Getenv("PORT")
    	if port == "" {
    		port = "8080"
    	}
    
    	repo, err := store.New(dbPath)
    	if err != nil {
    		log.Fatalf("failed to open store: %v", err)
    	}
    	defer repo.Close()
    
    	h := handler.New(repo)
    
    	mux := http.NewServeMux()
    	mux.HandleFunc("POST /leads", h.CreateLead)
    	mux.HandleFunc("GET /leads", h.ListLeads)
    	mux.HandleFunc("GET /leads/{id}", h.GetLead)
    	mux.HandleFunc("GET /health", func(w http.ResponseWriter, r *http.Request) {
    		w.WriteHeader(http.StatusOK)
    		w.Write([]byte(`{"status":"ok"}`))
    	})
    
    	server := &http.Server{
    		Addr:         "0.0.0.0:" + port,
    		Handler:      mux,
    		ReadTimeout:  10 * time.Second,
    		WriteTimeout: 10 * time.Second,
    	}
    
    	go func() {
    		log.Printf("listening on
    …(N2: 4380 chars omitidos en medio)…
    .store.List(source)
    	if err != nil {
    		writeError(w, http.StatusInternalServerError, "database error")
    		return
    	}
    	if leads == nil {
    		leads = []lead.Lead{}
    	}
    	w.Header().Set("Content-Type", "application/json")
    	w.WriteHeader(http.StatusOK)
    	json.NewEncoder(w).Encode(leads)
    }
    
    func (h *Handler) GetLead(w http.ResponseWriter, r *http.Request) {
    	id := r.PathValue("id")
    	l, err := h.store.Get(id)
    	if err != nil {
    		writeError(w, http.StatusInternalServerError, "database error")
    		return
    	}
    	if l == nil {
    		writeError(w, http.StatusNotFound, "lead not found")
    		return
    	}
    	w.Header().Set("Content-Type", "application/json")
    	w.WriteHeader(http.StatusOK)
    	json.NewEncoder(w).Encode(l)
    }
    
    func validateCreate(req lead.CreateRequest) error {
    	if req.Name == "" {
    		return fmt.Errorf("name is required")
    	}
    	if req.Email == "" {
    		return fmt.Errorf("email is required")
    	}
    	if req.Phone == "" {
    		return fmt.Errorf("phone is required")
    	}
    	if req.Source == "" {
    		return fmt.Errorf("source is required")
    	}
    	if req.Message == "" {
    		return fmt.Errorf("message is required")
    	}
    	return nil
    }
    
    func writeError(w http.ResponseWriter, status int, msg string) {
    	w.Header().Set("Content-Type", "application/json")
    	w.WriteHeader(status)
    	json.NewEncoder(w).Encode(map[string]string{"error": msg})
    }
    
    func generateID() (string, error) {
    	b := make([]byte, 16)
    	if _, err := rand.Read(b); err != nil {
    		return "", err
    	}
    	h := sha256.Sum256(b)
    	return hex.EncodeToString(h[:])[:16], nil
    }
    
    --- stderr ---

[turno 66] bash  {"command": "rm -f leads-api /tmp/leads_*.db && ls -la"}
    exit=0
    --- stdout ---
    total 32
    drwxr-xr-x 3 root root 4096 Jun 27 11:04 .
    drwxr-xr-x 1 root root 4096 Jun 27 10:56 ..
    -rw-r--r-- 1 root root 2847 Jun 27 11:02 DECISIONS.md
    -rw-r--r-- 1 root root 3503 Jun 27 10:56 README.md
    -rw-r--r-- 1 root root   26 Jun 27 11:03 go.mod
    drwxr-xr-x 6 root root 4096 Jun 27 10:58 internal
    -rw-r--r-- 1 root root 1417 Jun 27 10:58 main.go
    -rwxr-xr-x 1 root root  250 Jun 27 11:02 run.sh
    
    --- stderr ---

[turno 67] bash  {"command": "go mod tidy && ls -la go.sum 2>/dev/null || echo \"no go.sum\""}
    exit=0
    --- stdout ---
    no go.sum
    
    --- stderr ---

[turno 68] bash  {"command": "go build -o leads-api . && ls -la leads-api && rm -f leads-api"}
    exit=0
    --- stdout ---
    -rwxr-xr-x 1 root root 9154653 Jun 27 11:04 leads-api
    
    --- stderr ---

=== Respuesta final del modelo ===
LISTO

[stats] done=True budget_exceeded=False turns=69 tool_calls=76 tokens=38659+22712 wallclock=537.1s