upd(all): pass context from http request to service bridge

codegen/templates/http_handlers.tpl

@@ -11,6 +11,6 @@ import (
 {foreach $calls as $call}
 func ({self}h *{name}Handlers) {call.name|capitalize}(w http.ResponseWriter, r *http.Request) {
 	params := {name|capitalize}{call.name|capitalize}Request{}.new()
-	resputil.JSON(w, params.Fill(r), func() (interface{}, error) { return {self}h.{name}.{call.name|capitalize}(params) })
+	resputil.JSON(w, params.Fill(r), func() (interface{}, error) { return {self}h.{name}.{call.name|capitalize}(r.Context(), params) })
 }
 {/foreach}

codegen/templates/http_interfaces.tpl

@@ -3,6 +3,7 @@ package {package}
 {load warning.tpl}
 
 import (
+	"context"
 	"net/http"
 )
 
@@ -14,7 +15,7 @@ type {name}Handlers struct {
 // Internal API interface
 type {name}API interface {
 {foreach $calls as $call}
-	{call.name|capitalize}(*{name|expose}{call.name|capitalize}Request) (interface{}, error)
+	{call.name|capitalize}(context.Context, *{name|expose}{call.name|capitalize}Request) (interface{}, error)
 {/foreach}
 
 	// Authenticate API requests