feat(sense): establish M1 offline intake skeleton

Sense/cmd/sense-api/main.go

@@ -0,0 +1,113 @@
+package main
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"log/slog"
+	"net/http"
+	"os"
+	"os/signal"
+	"sync"
+	"syscall"
+	"time"
+
+	"yovision/sense/internal/config"
+	"yovision/sense/internal/mtx"
+	"yovision/sense/internal/onvif"
+	"yovision/sense/internal/probe"
+	"yovision/sense/internal/reconcile"
+	"yovision/sense/internal/store"
+)
+
+var version = "dev"
+
+func main() {
+	logger := slog.New(slog.NewJSONHandler(os.Stdout, nil))
+	if err := run(logger); err != nil {
+		logger.Error("Sense stopped", "error", err)
+		os.Exit(1)
+	}
+}
+
+func run(logger *slog.Logger) error {
+	cfg, err := config.Load()
+	if err != nil {
+		return fmt.Errorf("load configuration: %w", err)
+	}
+	ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
+	defer stop()
+
+	repository, err := store.OpenSQLite(ctx, cfg.DatabaseDSN)
+	if err != nil {
+		return err
+	}
+	defer repository.Close()
+	mediaClient, err := mtx.NewClient(cfg.MediaMTXURL, nil)
+	if err != nil {
+		return err
+	}
+
+	// T-003 deliberately has no real camera adapter. T-006 replaces this port
+	// only after the device whitelist and five-camera evidence are available.
+	reconciler := reconcile.New(repository, onvif.UnavailableAdapter{}, mediaClient)
+	checker := probe.New(repository, mediaClient)
+	report := func(err error) {
+		// Domain and MediaMTX errors intentionally omit stream URIs and credentials.
+		logger.Warn("background convergence error", "error", err)
+	}
+	var background sync.WaitGroup
+	background.Add(2)
+	go func() {
+		defer background.Done()
+		reconciler.Run(ctx, cfg.ReconcileInterval, report)
+	}()
+	go func() {
+		defer background.Done()
+		checker.Run(ctx, cfg.ProbeInterval, report)
+	}()
+
+	mux := http.NewServeMux()
+	mux.HandleFunc("GET /healthz", func(writer http.ResponseWriter, _ *http.Request) {
+		writer.Header().Set("Content-Type", "application/json")
+		writer.WriteHeader(http.StatusOK)
+		_, _ = writer.Write([]byte(`{"status":"ok"}`))
+	})
+	mux.HandleFunc("GET /readyz", func(writer http.ResponseWriter, _ *http.Request) {
+		writer.Header().Set("Content-Type", "application/json")
+		writer.WriteHeader(http.StatusOK)
+		_, _ = writer.Write([]byte(`{"status":"ready"}`))
+	})
+
+	server := &http.Server{
+		Addr: cfg.HTTPAddress, Handler: mux,
+		ReadHeaderTimeout: 5 * time.Second,
+		ReadTimeout:       15 * time.Second,
+		WriteTimeout:      15 * time.Second,
+		IdleTimeout:       60 * time.Second,
+	}
+	serverErrors := make(chan error, 1)
+	go func() {
+		logger.Info("Sense listening", "address", cfg.HTTPAddress, "version", version)
+		serverErrors <- server.ListenAndServe()
+	}()
+
+	select {
+	case <-ctx.Done():
+	case serverErr := <-serverErrors:
+		if !errors.Is(serverErr, http.ErrServerClosed) {
+			stop()
+			background.Wait()
+			return fmt.Errorf("serve HTTP: %w", serverErr)
+		}
+	}
+	stop()
+	shutdownContext, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+	shutdownErr := server.Shutdown(shutdownContext)
+	background.Wait()
+	if shutdownErr != nil {
+		return fmt.Errorf("shutdown HTTP server: %w", shutdownErr)
+	}
+	return nil
+}