cleanup: remove 2,369 lines of dead code

Removed backup files and unused legacy scanner function.
All code verified as unreferenced.

aggregator-server/internal/api/handlers/agent_setup.go

@@ -0,0 +1,79 @@
+package handlers
+
+import (
+	"net/http"
+
+	"github.com/Fimeg/RedFlag/aggregator-server/internal/services"
+	"github.com/gin-gonic/gin"
+)
+
+// SetupAgent handles the agent setup endpoint
+func SetupAgent(c *gin.Context) {
+	var req services.AgentSetupRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	// Create config builder
+	configBuilder := services.NewConfigBuilder(req.ServerURL)
+
+	// Build agent configuration
+	config, err := configBuilder.BuildAgentConfig(req)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	// Create response
+	response := gin.H{
+		"agent_id":            config.AgentID,
+		"registration_token":  config.Secrets["registration_token"],
+		"server_public_key":    config.Secrets["server_public_key"],
+		"configuration":      config.PublicConfig,
+		"secrets":            config.Secrets,
+		"template":           config.Template,
+		"setup_time":          config.BuildTime,
+		"secrets_created":     config.SecretsCreated,
+		"secrets_path":        config.SecretsPath,
+	}
+
+	c.JSON(http.StatusOK, response)
+}
+
+// GetTemplates returns available agent templates
+func GetTemplates(c *gin.Context) {
+	configBuilder := services.NewConfigBuilder("")
+	templates := configBuilder.GetTemplates()
+	c.JSON(http.StatusOK, gin.H{"templates": templates})
+}
+
+// ValidateConfiguration validates a configuration before deployment
+func ValidateConfiguration(c *gin.Context) {
+	var config map[string]interface{}
+	if err := c.ShouldBindJSON(&config); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	agentType, exists := config["agent_type"].(string)
+	if !exists {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "agent_type is required"})
+		return
+	}
+
+	configBuilder := services.NewConfigBuilder("")
+	template, exists := configBuilder.GetTemplate(agentType)
+	if !exists {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "Unknown agent type"})
+		return
+	}
+
+	// Simple validation response
+	c.JSON(http.StatusOK, gin.H{
+		"valid":   true,
+		"message": "Configuration appears valid",
+		"agent_type": agentType,
+		"template": template.Name,
+	})
+}