Add storage analytics page

internal/web/handler.go

@@ -91,7 +91,7 @@ func (h *Handler) AdminPage(c *gin.Context) {
 		page = 1
 	}
 
-	limit := 10
+	limit := 25
 	offset := (page - 1) * limit
 
 	files, totalCount, err := h.fileService.GetPaginatedFiles(limit, offset)
@@ -103,11 +103,6 @@ func (h *Handler) AdminPage(c *gin.Context) {
 		return
 	}
 
-	// Only check files on the current page.
-	// Status meanings:
-	// - green: file exists on disk
-	// - red: file missing
-	// - rainbow: stat error (something unexpected)
 	type AdminFileView struct {
 		file.FileRecord
 		ActualStatus string
@@ -153,4 +148,26 @@ func (h *Handler) Logout(c *gin.Context) {
 
 func (h *Handler) ChangePasswordPage(c *gin.Context) {
 	c.HTML(200, "changePassword.html", nil)
-}
+}
+
+func (h *Handler) AdminStatsPage(c *gin.Context) {
+	log := middleware.StructuredLog(c).With().
+		Str("event", "admin_stats_page").
+		Logger()
+
+	stats, err := h.fileService.GetStorageStats()
+	if err != nil {
+		log.Error().Err(err).Msg("Failed to load storage stats")
+
+		c.HTML(500, "admin_stats.html", gin.H{
+			"error": err.Error(),
+		})
+		return
+	}
+
+	log.Info().Msg("Admin stats page viewed")
+
+	c.HTML(200, "admin_stats.html", gin.H{
+		"Stats": stats,
+	})
+}

internal/web/routes.go

@@ -20,6 +20,7 @@ func RegisterRoutes(r *gin.Engine, h *Handler, userService *user.Service) {
 	adminRoutes.Use(user.ForcePasswordChangeMiddleware(userService))
 
 	adminRoutes.GET("/admin", h.AdminPage)
+	adminRoutes.GET("/admin/stats", h.AdminStatsPage)
 	adminRoutes.GET("/config", h.ConfigPage)
 	adminRoutes.POST("/config", h.ConfigSave)
 	adminRoutes.GET("/logout", h.Logout)