revert(coderd): "Merge commit from fork" (#25273)

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

coderd/workspaceresourceauth.go

@@ -8,8 +8,6 @@ import (
 
 	"github.com/mitchellh/mapstructure"
 
-	"cdr.dev/slog/v3"
-
 	"github.com/coder/coder/v2/coderd/awsidentity"
 	"github.com/coder/coder/v2/coderd/azureidentity"
 	"github.com/coder/coder/v2/coderd/database/dbauthz"
@@ -40,17 +38,9 @@ func (api *API) postWorkspaceAuthAzureInstanceIdentity(rw http.ResponseWriter, r
 		VerifyOptions: api.AzureCertificates,
 	})
 	if err != nil {
-		// Log the full error for operators but return only a
-		// generic message to the caller. Errors from the
-		// certificate fetch path may contain fragments of
-		// internal HTTP responses, so exposing them would be
-		// an information disclosure risk.
-		api.Logger.Warn(ctx, "azure identity validation failed",
-			slog.Error(err),
-		)
 		httpapi.Write(ctx, rw, http.StatusUnauthorized, codersdk.Response{
 			Message: "Invalid Azure identity.",
-			Detail:  "Signature verification failed.",
+			Detail:  err.Error(),
 		})
 		return
 	}