feat(16-03): add Postman and SwaggerHub recon sources

- PostmanSource searches public collections via internal search proxy
- SwaggerHubSource searches published API specs for embedded keys
- Both credentialless, use BuildQueries + ciLogKeyPattern
- httptest-based tests for both sources

pkg/recon/sources/postman_test.go

@@ -0,0 +1,115 @@
+package sources
+
+import (
+	"context"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+	"time"
+
+	"github.com/salvacybersec/keyhunter/pkg/providers"
+	"github.com/salvacybersec/keyhunter/pkg/recon"
+)
+
+func TestPostman_Name(t *testing.T) {
+	s := &PostmanSource{}
+	if s.Name() != "postman" {
+		t.Fatalf("expected postman, got %s", s.Name())
+	}
+}
+
+func TestPostman_Enabled(t *testing.T) {
+	s := &PostmanSource{}
+	if !s.Enabled(recon.Config{}) {
+		t.Fatal("PostmanSource should always be enabled")
+	}
+}
+
+func TestPostman_Sweep(t *testing.T) {
+	mux := http.NewServeMux()
+	mux.HandleFunc("/ws/proxy", func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		_, _ = w.Write([]byte(`{
+			"data": [
+				{
+					"id": "coll-001",
+					"name": "My API Collection",
+					"summary": "api_key = 'sk-proj-ABCDEF1234567890abcdef'"
+				}
+			]
+		}`))
+	})
+
+	srv := httptest.NewServer(mux)
+	defer srv.Close()
+
+	reg := providers.NewRegistryFromProviders([]providers.Provider{
+		{Name: "openai", Keywords: []string{"sk-proj-"}},
+	})
+
+	s := &PostmanSource{
+		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 Postman")
+	}
+	if findings[0].SourceType != "recon:postman" {
+		t.Fatalf("expected recon:postman, got %s", findings[0].SourceType)
+	}
+}
+
+func TestPostman_Sweep_NoResults(t *testing.T) {
+	mux := http.NewServeMux()
+	mux.HandleFunc("/ws/proxy", func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		_, _ = w.Write([]byte(`{"data": []}`))
+	})
+
+	srv := httptest.NewServer(mux)
+	defer srv.Close()
+
+	reg := providers.NewRegistryFromProviders([]providers.Provider{
+		{Name: "openai", Keywords: []string{"sk-proj-"}},
+	})
+
+	s := &PostmanSource{
+		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.Fatalf("expected no findings, got %d", len(findings))
+	}
+}