feat(latest): add chromedp browser fetcher for challenge-gated sites

backend/go.mod

@@ -1,10 +1,12 @@
 module mangabm/backend
 
-go 1.24.1
+go 1.26
 
 require (
 	github.com/bogdanfinn/fhttp v0.6.8
 	github.com/bogdanfinn/tls-client v1.15.1
+	github.com/chromedp/cdproto v0.0.0-20260714215040-dc233986426f
+	github.com/chromedp/chromedp v0.16.0
 	modernc.org/sqlite v1.34.4
 )
 
@@ -15,7 +17,12 @@ require (
 	github.com/bogdanfinn/quic-go-utls v1.0.9-utls // indirect
 	github.com/bogdanfinn/utls v1.7.7-barnius // indirect
 	github.com/bogdanfinn/websocket v1.5.5-barnius // indirect
+	github.com/chromedp/sysutil v1.1.0 // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
+	github.com/go-json-experiment/json v0.0.0-20260623181947-01eb4420fa68 // indirect
+	github.com/gobwas/httphead v0.1.0 // indirect
+	github.com/gobwas/pool v0.2.1 // indirect
+	github.com/gobwas/ws v1.4.0 // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/hashicorp/golang-lru/v2 v2.0.7 // indirect
 	github.com/klauspost/compress v1.18.2 // indirect
@@ -26,7 +33,7 @@ require (
 	github.com/tam7t/hpkp v0.0.0-20160821193359-2b70b4024ed5 // indirect
 	golang.org/x/crypto v0.46.0 // indirect
 	golang.org/x/net v0.48.0 // indirect
-	golang.org/x/sys v0.39.0 // indirect
+	golang.org/x/sys v0.47.0 // indirect
 	golang.org/x/text v0.32.0 // indirect
 	modernc.org/gc/v3 v3.0.0-20240107210532-573471604cb6 // indirect
 	modernc.org/libc v1.55.3 // indirect