feat: add InsiderMode support to HTTP mode

Add InsiderMode field to HTTPServerConfig and pass it from CLI flags.
This ensures that the --insider-mode flag works for HTTP mode just
like it does for stdio mode, enabling experimental features when set.

Co-authored-by: atharva1051 <53966412+atharva1051@users.noreply.github.com>

Author: Copilot

cmd/github-mcp-server/main.go

@@ -132,6 +132,7 @@ var (
 				LogFilePath:        viper.GetString("log-file"),
 				ContentWindowSize:  viper.GetInt("content-window-size"),
 				LockdownMode:       viper.GetBool("lockdown-mode"),
+				InsiderMode:        viper.GetBool("insider-mode"),
 				RepoAccessCacheTTL: &ttl,
 			}
 			return ghmcp.RunHTTPServer(httpServerConfig)

internal/ghmcp/server.go

@@ -382,6 +382,9 @@ type HTTPServerConfig struct {
 	// LockdownMode indicates if we should enable lockdown mode
 	LockdownMode bool
 
+	// InsiderMode indicates if we should enable experimental features
+	InsiderMode bool
+
 	// RepoAccessCacheTTL overrides the default TTL for repository access cache entries.
 	RepoAccessCacheTTL *time.Duration
 }