feat: add chrome extension on top of wasm

Makefile

@@ -0,0 +1,34 @@
+# Convenience targets. The authoritative build commands live in cmd/*/
+# (for the Go CLI) and extension/package.json (for the browser extension).
+
+.PHONY: all cli wasm extension extension-dev extension-clean test clean help
+
+help:
+	@echo "scry — available targets:"
+	@echo "  make cli            Build the Go CLI → ./scry"
+	@echo "  make wasm           Build the Go WASM bundle into extension/public/"
+	@echo "  make extension      Full production build of the Chrome extension"
+	@echo "  make extension-dev  Start the CRXJS dev server"
+	@echo "  make test           Run Go tests"
+	@echo "  make clean          Remove build artefacts"
+
+cli:
+	go build -o scry .
+
+wasm:
+	cd extension && bun run build:wasm
+
+extension: wasm
+	cd extension && bun run build:vite
+
+extension-dev:
+	cd extension && bun run dev
+
+extension-clean:
+	rm -rf extension/dist extension/public/scry.wasm extension/public/wasm_exec.js
+
+test:
+	go test ./core/... ./internal/...
+
+clean: extension-clean
+	rm -f scry

cmd/check/check.go

@@ -9,13 +9,13 @@ import (
 
 	"github.com/urfave/cli/v3"
 
-	"github.com/meysam81/scry/internal/audit"
+	"github.com/meysam81/scry/core/checks"
+	"github.com/meysam81/scry/core/model"
+	"github.com/meysam81/scry/core/rules"
 	"github.com/meysam81/scry/internal/cmdutil"
 	"github.com/meysam81/scry/internal/config"
 	"github.com/meysam81/scry/internal/crawler"
 	"github.com/meysam81/scry/internal/logger"
-	"github.com/meysam81/scry/internal/model"
-	"github.com/meysam81/scry/internal/rules"
 )
 
 var (
@@ -198,7 +198,7 @@ func runSingleCheck(ctx context.Context, cfg *config.Config, fetcher crawler.Fet
 
 	// Run audit checks.
 	l.Info().Msg("running audit checks")
-	registry := audit.DefaultRegistry(l, cfg.SchemaPath)
+	registry := checks.DefaultRegistry(l, cfg.SchemaPath)
 
 	// Load and register custom CEL rules if configured.
 	if cfg.RulesFile != "" {

cmd/crawl/crawl.go

@@ -8,14 +8,14 @@ import (
 
 	"github.com/urfave/cli/v3"
 
-	"github.com/meysam81/scry/internal/audit"
+	"github.com/meysam81/scry/core/checks"
+	"github.com/meysam81/scry/core/rules"
 	"github.com/meysam81/scry/internal/baseline"
 	"github.com/meysam81/scry/internal/cmdutil"
 	"github.com/meysam81/scry/internal/config"
 	"github.com/meysam81/scry/internal/crawler"
 	"github.com/meysam81/scry/internal/logger"
 	"github.com/meysam81/scry/internal/metrics"
-	"github.com/meysam81/scry/internal/rules"
 )
 
 var (
@@ -256,7 +256,7 @@ func runCrawl(ctx context.Context, cmd *cli.Command) error {
 
 	// Run audit checks.
 	l.Info().Msg("running audit checks")
-	registry := audit.DefaultRegistry(l, cfg.SchemaPath)
+	registry := checks.DefaultRegistry(l, cfg.SchemaPath)
 
 	// Load and register custom CEL rules if configured.
 	if cfg.RulesFile != "" {

cmd/lighthouse/lighthouse.go

@@ -11,11 +11,11 @@ import (
 
 	"github.com/urfave/cli/v3"
 
+	"github.com/meysam81/scry/core/model"
 	"github.com/meysam81/scry/internal/cmdutil"
 	"github.com/meysam81/scry/internal/config"
 	lh "github.com/meysam81/scry/internal/lighthouse"
 	"github.com/meysam81/scry/internal/logger"
-	"github.com/meysam81/scry/internal/model"
 )
 
 var (

cmd/update/update.go

@@ -7,8 +7,8 @@ import (
 
 	"github.com/urfave/cli/v3"
 
+	"github.com/meysam81/scry/core/schema"
 	"github.com/meysam81/scry/internal/logger"
-	"github.com/meysam81/scry/internal/schema"
 )
 
 var flagURL string

cmd/wasm/main.go

@@ -0,0 +1,91 @@
+//go:build js && wasm
+
+// WASM entry point for the scry browser extension. Exposes a narrow,
+// JSON-over-string surface that mirrors core/engine so the extension
+// calls into the same audit pipeline the CLI uses.
+package main
+
+import (
+	"context"
+	"encoding/json"
+	"syscall/js"
+
+	"github.com/meysam81/scry/core/engine"
+	"github.com/meysam81/scry/core/model"
+)
+
+var defaultEngine *engine.Engine
+
+func init() {
+	e, err := engine.New(engine.Options{IncludeDeepStructuredData: true})
+	if err != nil {
+		// Fall back to a schema-less engine if the embedded registry is
+		// somehow corrupt. A degraded audit beats a dead extension.
+		e, _ = engine.New(engine.Options{IncludeDeepStructuredData: false})
+	}
+	defaultEngine = e
+}
+
+// resp is the canonical envelope every exported function returns.
+// The extension validates { ok, data?, error? } with Zod.
+type resp struct {
+	OK    bool `json:"ok"`
+	Data  any  `json:"data,omitempty"`
+	Error any  `json:"error,omitempty"`
+}
+
+func ok(data any) string {
+	b, _ := json.Marshal(resp{OK: true, Data: data})
+	return string(b)
+}
+
+func fail(msg string) string {
+	b, _ := json.Marshal(resp{OK: false, Error: msg})
+	return string(b)
+}
+
+// auditPageInput is the JSON contract with the extension. Body is sent
+// separately because model.Page excludes Body from JSON marshaling.
+type auditPageInput struct {
+	Page model.Page `json:"page"`
+	Body string     `json:"body"`
+}
+
+func auditPage(_ js.Value, args []js.Value) any {
+	if len(args) < 1 || args[0].Type() != js.TypeString {
+		return fail("scryAuditPage expects one string argument (JSON)")
+	}
+	var in auditPageInput
+	if err := json.Unmarshal([]byte(args[0].String()), &in); err != nil {
+		return fail("invalid input JSON: " + err.Error())
+	}
+	if in.Body != "" {
+		in.Page.Body = []byte(in.Body)
+	}
+	issues := defaultEngine.AuditPage(context.Background(), &in.Page)
+	if issues == nil {
+		issues = []model.Issue{}
+	}
+	return ok(map[string]any{
+		"issues": issues,
+		"url":    in.Page.URL,
+	})
+}
+
+func listChecks(_ js.Value, _ []js.Value) any {
+	return ok(map[string]any{"checks": engine.ListAllCheckNames()})
+}
+
+func version(_ js.Value, _ []js.Value) any {
+	return ok(map[string]any{
+		"engine": "scry-wasm",
+		"api":    1,
+	})
+}
+
+func main() {
+	js.Global().Set("scryAuditPage", js.FuncOf(auditPage))
+	js.Global().Set("scryListChecks", js.FuncOf(listChecks))
+	js.Global().Set("scryVersion", js.FuncOf(version))
+	select {}
+}

internal/audit/accessibility.go → core/checks/accessibility.go

@@ -1,12 +1,12 @@
-package audit
+package checks
 
 import (
 	"context"
 	"fmt"
 	"strconv"
 	"strings"
 
-	"github.com/meysam81/scry/internal/model"
+	"github.com/meysam81/scry/core/model"
 	"golang.org/x/net/html"
 )
 

internal/audit/accessibility_test.go → core/checks/accessibility_test.go

@@ -1,11 +1,11 @@
-package audit
+package checks
 
 import (
 	"context"
 	"strings"
 	"testing"
 
-	"github.com/meysam81/scry/internal/model"
+	"github.com/meysam81/scry/core/model"
 )
 
 func TestAccessibilityChecker_Name(t *testing.T) {

internal/audit/external_links.go → core/checks/external_links.go

@@ -1,4 +1,4 @@
-package audit
+package checks
 
 import (
 	"context"
@@ -9,7 +9,7 @@ import (
 	"sync"
 	"time"
 
-	"github.com/meysam81/scry/internal/model"
+	"github.com/meysam81/scry/core/model"
 	"github.com/meysam81/scry/internal/safenet"
 	"golang.org/x/time/rate"
 )

internal/audit/external_links_test.go → core/checks/external_links_test.go

@@ -1,4 +1,4 @@
-package audit
+package checks
 
 import (
 	"context"
@@ -7,7 +7,7 @@ import (
 	"strings"
 	"testing"
 
-	"github.com/meysam81/scry/internal/model"
+	"github.com/meysam81/scry/core/model"
 )
 
 func TestExternalLinkChecker_Check_ReturnsNil(t *testing.T) {

internal/audit/health.go → core/checks/health.go

@@ -1,4 +1,4 @@
-package audit
+package checks
 
 import (
 	"context"
@@ -8,7 +8,7 @@ import (
 	"strings"
 	"time"
 
-	"github.com/meysam81/scry/internal/model"
+	"github.com/meysam81/scry/core/model"
 )
 
 var versionRe = regexp.MustCompile(`\d+\.\d+`)

internal/audit/health_test.go → core/checks/health_test.go

@@ -1,4 +1,4 @@
-package audit
+package checks
 
 import (
 	"context"
@@ -7,7 +7,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/meysam81/scry/internal/model"
+	"github.com/meysam81/scry/core/model"
 )
 
 func TestHealthChecker_Check(t *testing.T) {

internal/audit/helpers.go → core/checks/helpers.go

@@ -1,4 +1,4 @@
-package audit
+package checks
 
 import (
 	"bytes"
@@ -8,8 +8,8 @@ import (
 	"sync"
 	"sync/atomic"
 
+	"github.com/meysam81/scry/core/model"
 	"github.com/meysam81/scry/internal/logger"
-	"github.com/meysam81/scry/internal/model"
 	"golang.org/x/net/html"
 )
 

internal/audit/hreflang.go → core/checks/hreflang.go

@@ -1,12 +1,12 @@
-package audit
+package checks
 
 import (
 	"context"
 	"fmt"
 	"regexp"
 	"strings"
 
-	"github.com/meysam81/scry/internal/model"
+	"github.com/meysam81/scry/core/model"
 	"golang.org/x/net/html"
 )
 

internal/audit/hreflang_test.go → core/checks/hreflang_test.go

@@ -1,11 +1,11 @@
-package audit
+package checks
 
 import (
 	"context"
 	"strings"
 	"testing"
 
-	"github.com/meysam81/scry/internal/model"
+	"github.com/meysam81/scry/core/model"
 )
 
 func hreflangPage(url, body string) *model.Page {

internal/audit/images.go → core/checks/images.go

@@ -1,4 +1,4 @@
-package audit
+package checks
 
 import (
 	"context"
@@ -7,7 +7,7 @@ import (
 	"strings"
 	"time"
 
-	"github.com/meysam81/scry/internal/model"
+	"github.com/meysam81/scry/core/model"
 	"github.com/meysam81/scry/internal/safenet"
 	"golang.org/x/net/html"
 )

internal/audit/images_test.go → core/checks/images_test.go

@@ -1,4 +1,4 @@
-package audit
+package checks
 
 import (
 	"context"
@@ -8,7 +8,7 @@ import (
 	"strings"
 	"testing"
 
-	"github.com/meysam81/scry/internal/model"
+	"github.com/meysam81/scry/core/model"
 )
 
 func TestImageChecker_Check(t *testing.T) {

internal/audit/links.go → core/checks/links.go

@@ -1,11 +1,11 @@
-package audit
+package checks
 
 import (
 	"context"
 	"fmt"
 	"strings"
 
-	"github.com/meysam81/scry/internal/model"
+	"github.com/meysam81/scry/core/model"
 	"golang.org/x/net/html"
 )
 

internal/audit/links_test.go → core/checks/links_test.go

@@ -1,11 +1,11 @@
-package audit
+package checks
 
 import (
 	"context"
 	"strings"
 	"testing"
 
-	"github.com/meysam81/scry/internal/model"
+	"github.com/meysam81/scry/core/model"
 )
 
 func TestLinkChecker_Check_NonHTML_ReturnsNil(t *testing.T) {