feat(14-04): implement 7 Phase 14 sources (CI/CD, archives, JS bundles)

- TravisCISource: scrapes public Travis CI build logs for API key leaks
- GitHubActionsSource: searches Actions workflow logs (requires GitHub token)
- CircleCISource: scrapes CircleCI pipeline logs (requires CircleCI token)
- JenkinsSource: scrapes public Jenkins console output for leaked secrets
- WaybackMachineSource: searches Wayback Machine CDX for archived key leaks
- CommonCrawlSource: searches Common Crawl index for exposed pages
- JSBundleSource: probes JS bundles for embedded API key literals

pkg/recon/sources/commoncrawl_test.go

@@ -0,0 +1,70 @@
+package sources
+
+import (
+	"context"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+	"time"
+
+	"github.com/salvacybersec/keyhunter/pkg/providers"
+	"github.com/salvacybersec/keyhunter/pkg/recon"
+)
+
+func TestCommonCrawl_Name(t *testing.T) {
+	s := &CommonCrawlSource{}
+	if s.Name() != "commoncrawl" {
+		t.Fatalf("expected commoncrawl, got %s", s.Name())
+	}
+}
+
+func TestCommonCrawl_Enabled(t *testing.T) {
+	s := &CommonCrawlSource{}
+	if !s.Enabled(recon.Config{}) {
+		t.Fatal("CommonCrawlSource should always be enabled (credentialless)")
+	}
+}
+
+func TestCommonCrawl_Sweep(t *testing.T) {
+	mux := http.NewServeMux()
+	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		// NDJSON format: one JSON object per line.
+		_, _ = w.Write([]byte(`{"url":"https://example.com/.env","timestamp":"20240101000000","status":"200","filename":"CC-MAIN-2024.warc.gz","length":"1234","offset":"5678"}
+`))
+	})
+
+	srv := httptest.NewServer(mux)
+	defer srv.Close()
+
+	reg := providers.NewRegistryFromProviders([]providers.Provider{
+		{Name: "openai", Keywords: []string{"sk-proj-"}},
+	})
+
+	s := &CommonCrawlSource{
+		BaseURL:  srv.URL,
+		Registry: reg,
+		Client:   NewClient(),
+	}
+
+	out := make(chan recon.Finding, 10)
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+
+	err := s.Sweep(ctx, "", out)
+	close(out)
+	if err != nil {
+		t.Fatalf("Sweep error: %v", err)
+	}
+
+	var findings []recon.Finding
+	for f := range out {
+		findings = append(findings, f)
+	}
+	if len(findings) == 0 {
+		t.Fatal("expected at least one finding from Common Crawl index")
+	}
+	if findings[0].SourceType != "recon:commoncrawl" {
+		t.Fatalf("expected recon:commoncrawl, got %s", findings[0].SourceType)
+	}
+}