feat: wire growth report API and worker

.env.example

@@ -11,3 +11,12 @@ SESSION_SECRET=replace-with-at-least-32-random-characters
 CURSOR_SECRET=replace-with-a-different-32-character-secret
 FRONTEND_ORIGIN=http://127.0.0.1:5173
 COOKIE_SECURE=false
+AI_GROWTH_ENABLED=false
+AVALAI_API_KEY=
+AVALAI_BASE_URL=https://api.avalai.ir
+AVALAI_MODEL=gpt-5-mini-2025-08-07
+AI_DAILY_REQUEST_BUDGET=0
+AI_DAILY_TOKEN_BUDGET=0
+AI_MAX_CONCURRENT=4
+AI_CREATE_PER_MINUTE=10
+AI_UNCACHED_SCOPES_PER_DAY=5

cmd/api/main.go

@@ -13,7 +13,9 @@ import (
 	"git.amiirkhl.ir/starcoach-hackathon/zarinpal-analytics-backend/internal/api"
 	"git.amiirkhl.ir/starcoach-hackathon/zarinpal-analytics-backend/internal/config"
 	"git.amiirkhl.ir/starcoach-hackathon/zarinpal-analytics-backend/internal/database"
+	"git.amiirkhl.ir/starcoach-hackathon/zarinpal-analytics-backend/internal/growthreport"
 	"git.amiirkhl.ir/starcoach-hackathon/zarinpal-analytics-backend/internal/identity"
+	"github.com/redis/go-redis/v9"
 )
 
 func main() {
@@ -35,7 +37,12 @@ func main() {
 		os.Exit(1)
 	}
 	defer pool.Close()
-	handler := api.NewServer(identity.New(pool), analytics.New(pool, cfg.CursorSecret), logger, cfg.FrontendOrigin, cfg.CookieSecure).Handler()
+	redisClient := redis.NewClient(&redis.Options{Addr: cfg.RedisAddr, Password: cfg.RedisPassword})
+	defer redisClient.Close()
+	repository := growthreport.NewRepository(pool)
+	coordinator := growthreport.NewCoordinator(redisClient, growthreport.CoordinatorConfig{CreatePerMinute: cfg.AICreatePerMinute, UncachedPerDay: cfg.AIUncachedScopesPerDay, DailyRequests: cfg.AIDailyRequestBudget, DailyTokens: cfg.AIDailyTokenBudget, MaxConcurrent: cfg.AIMaxConcurrent})
+	growthService := growthreport.NewService(repository, coordinator, growthreport.ServiceConfig{Enabled: cfg.AIGrowthEnabled, Model: cfg.AvalAIModel, PromptVersion: "1.0.0", SchemaVersion: "1.0.0"})
+	handler := api.NewServer(identity.New(pool), analytics.New(pool, cfg.CursorSecret), logger, cfg.FrontendOrigin, cfg.CookieSecure, growthService).Handler()
 	server := &http.Server{Addr: cfg.HTTPAddr, Handler: handler, ReadHeaderTimeout: 5 * time.Second, ReadTimeout: 15 * time.Second, WriteTimeout: 65 * time.Second, IdleTimeout: 60 * time.Second}
 	go func() {
 		<-ctx.Done()

cmd/migrate/main.go

@@ -25,14 +25,16 @@ func main() {
 		os.Exit(1)
 	}
 	defer pool.Close()
-	migration, err := os.ReadFile("migrations/000001_mvp.sql")
+	for _, path := range []string{"migrations/000001_mvp.sql", "migrations/000002_growth_analyst.sql"} {
+		migration, err := os.ReadFile(path)
 		if err != nil {
-		logger.Error("reading migration failed", "error", err)
+			logger.Error("reading migration failed", "path", path, "error", err)
 			os.Exit(1)
 		}
 		if err := database.Migrate(ctx, pool, string(migration)); err != nil {
-		logger.Error("migration failed", "error", err)
+			logger.Error("migration failed", "path", path, "error", err)
 			os.Exit(1)
 		}
-	logger.Info("migration complete", "version", 1)
+	}
+	logger.Info("migration complete", "version", 2)
 }

cmd/worker/main.go

@@ -2,12 +2,16 @@ package main
 
 import (
 	"context"
+	"errors"
 	"log/slog"
+	"net/http"
 	"os"
 	"os/signal"
 	"time"
 
 	"git.amiirkhl.ir/starcoach-hackathon/zarinpal-analytics-backend/internal/config"
+	"git.amiirkhl.ir/starcoach-hackathon/zarinpal-analytics-backend/internal/database"
+	"git.amiirkhl.ir/starcoach-hackathon/zarinpal-analytics-backend/internal/growthreport"
 	"github.com/redis/go-redis/v9"
 )
 
@@ -18,16 +22,49 @@ func main() {
 		logger.Error("configuration failed", "error", err)
 		os.Exit(1)
 	}
-	ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt)
+	if err := cfg.ValidateAPI(); err != nil {
-	defer cancel()
+		logger.Error("worker configuration failed", "error", err)
-	client := redis.NewClient(&redis.Options{Addr: cfg.RedisAddr, Password: cfg.RedisPassword})
-	defer client.Close()
-	pingCtx, pingCancel := context.WithTimeout(ctx, 5*time.Second)
-	defer pingCancel()
-	if err := client.Ping(pingCtx).Err(); err != nil {
-		logger.Error("redis connection failed", "error", err)
 		os.Exit(1)
 	}
-	logger.Info("analytics worker ready", "redis_address", cfg.RedisAddr)
+	ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt)
-	<-ctx.Done()
+	defer cancel()
+	pool, err := database.Open(ctx, cfg.DatabaseURL)
+	if err != nil {
+		logger.Error("database connection failed", "error", err)
+		os.Exit(1)
+	}
+	defer pool.Close()
+	redisClient := redis.NewClient(&redis.Options{Addr: cfg.RedisAddr, Password: cfg.RedisPassword})
+	defer redisClient.Close()
+	repository := growthreport.NewRepository(pool)
+	coordinator := growthreport.NewCoordinator(redisClient, growthreport.CoordinatorConfig{CreatePerMinute: cfg.AICreatePerMinute, UncachedPerDay: cfg.AIUncachedScopesPerDay, DailyRequests: cfg.AIDailyRequestBudget, DailyTokens: cfg.AIDailyTokenBudget, MaxConcurrent: cfg.AIMaxConcurrent})
+	avalai := growthreport.NewAvalAIClient(growthreport.AvalAIConfig{BaseURL: cfg.AvalAIBaseURL, APIKey: cfg.AvalAIAPIKey, Model: cfg.AvalAIModel, Timeout: 30 * time.Second}, &http.Client{})
+	processor := growthreport.NewProcessor(repository, growthreport.NewPostgreSQLBuilder(pool), avalai, coordinator, cfg.AIGrowthEnabled && cfg.AvalAIAPIKey != "")
+	logger.Info("growth worker ready", "ai_enabled", cfg.AIGrowthEnabled && cfg.AvalAIAPIKey != "")
+	poll := time.NewTicker(time.Second)
+	defer poll.Stop()
+	cleanup := time.NewTicker(24 * time.Hour)
+	defer cleanup.Stop()
+	for {
+		select {
+		case <-ctx.Done():
+			return
+		case <-poll.C:
+			workCtx, workCancel := context.WithTimeout(ctx, 2*time.Minute)
+			err := processor.ProcessNext(workCtx)
+			workCancel()
+			if err != nil && !errors.Is(err, growthreport.ErrNotFound) {
+				logger.Error("growth report processing failed", "error", err)
+			}
+		case <-cleanup.C:
+			cleanupCtx, cleanupCancel := context.WithTimeout(ctx, 30*time.Second)
+			deleted, err := repository.CleanupSuperseded(cleanupCtx, time.Now().UTC().AddDate(0, 0, -90))
+			cleanupCancel()
+			if err != nil {
+				logger.Error("growth cleanup failed", "error", err)
+			} else if deleted > 0 {
+				logger.Info("growth cleanup complete", "deleted_reports", deleted)
+			}
+		}
+	}
 }