Add recon network batch 1: stack banners and smart port profiles.

Parse technology stack from crawl headers, grab SSH/HTTP/WinRM banners, merge smart port bundles with FleetPorts, and suggest deploy-kit lane plus SSM for EC2 metadata targets.

server/internal/recon/crawl.go

@@ -25,6 +25,8 @@ func Crawl(host string, port int, scheme string, seedPaths []string) (*CrawlRepo
 	}
 
 	report := &CrawlReport{}
+	var headerSnaps []HTTPHeaderSnap
+	var htmlBodies []string
 	visited := map[string]bool{}
 	queue := []queuedURL{}
 	for _, p := range seeds {
@@ -44,7 +46,7 @@ func Crawl(host string, port int, scheme string, seedPaths []string) (*CrawlRepo
 		}
 		visited[key] = true
 
-		status, body, err := fetchPage(item.url)
+		status, body, headers, err := fetchPage(item.url)
 		if err != nil {
 			continue
 		}
@@ -54,6 +56,8 @@ func Crawl(host string, port int, scheme string, seedPaths []string) (*CrawlRepo
 			title = root
 		}
 		report.Pages = append(report.Pages, PageFinding{URL: item.url, StatusCode: status, Title: title})
+		if len(headers) > 0 { headerSnaps = append(headerSnaps, HTTPHeaderSnap{URL: item.url, Headers: headers}) }
+		htmlBodies = append(htmlBodies, body)
 
 		files, multi, fields, pageScore, cms := ParseHTML(item.url, body)
 		report.FileInputs = append(report.FileInputs, files...)
@@ -84,6 +88,7 @@ func Crawl(host string, port int, scheme string, seedPaths []string) (*CrawlRepo
 		report.SSRFScore = 100
 	}
 	report.CMSFingerprints = mergeCMS(nil, report.CMSFingerprints)
+	report.Stack = BuildStack(headerSnaps, htmlBodies)
 	return report, nil
 }
 
@@ -92,26 +97,28 @@ type queuedURL struct {
 	depth int
 }
 
-func fetchPage(rawURL string) (int, string, error) {
+func fetchPage(rawURL string) (int, string, map[string]string, error) {
 	if fetchPageFn != nil {
-		return fetchPageFn(rawURL)
+		s,b,e:=fetchPageFn(rawURL); return s,b,nil,e
 	}
 	client := &http.Client{Timeout: DefaultPortDialTimeout}
 	req, err := http.NewRequest(http.MethodGet, rawURL, nil)
 	if err != nil {
-		return 0, "", err
+		return 0, "", nil, err
 	}
 	req.Header.Set("User-Agent", "AetherForge-Recon/1.0")
 	resp, err := client.Do(req)
 	if err != nil {
-		return 0, "", err
+		return 0, "", nil, err
 	}
 	defer resp.Body.Close()
 	body, err := readBodyLimited(resp.Body, maxHTMLBytes)
 	if err != nil {
-		return resp.StatusCode, "", err
+		return resp.StatusCode, "", nil, err
 	}
-	return resp.StatusCode, body, nil
+	headers:=map[string]string{}
+	for k,v:=range resp.Header { if len(v)>0 { headers[k]=v[0] } }
+	return resp.StatusCode, body, headers, nil
 }
 
 func normalizeScheme(scheme string, port int) string {