feat(bat): 补全工作流校验与调度过滤

新增 parse clear-cache 和 i18n validate，补齐 schedule 的作用域过滤与单轮执行上限，并将列表过滤参数暴露给 bat-api dashboard。同步 RPC、OpenAPI、用户文档和回归测试。

Refs #43

internal/backendrpc/client.go

@@ -249,10 +249,19 @@ type ScheduleMutationParams struct {
 	Enabled            *bool    `json:"enabled,omitempty"`
 }
 
+// ScheduleListParams filters the Rust-owned schedule store.
+type ScheduleListParams struct {
+	ID      string `json:"id,omitempty"`
+	Group   string `json:"group,omitempty"`
+	Enabled *bool  `json:"enabled,omitempty"`
+}
+
 // ScheduleRunParams selects a schedule or runs every due enabled schedule.
 type ScheduleRunParams struct {
-	ID    string `json:"id,omitempty"`
-	Force bool   `json:"force,omitempty"`
+	ID      string  `json:"id,omitempty"`
+	Group   string  `json:"group,omitempty"`
+	Force   bool    `json:"force,omitempty"`
+	MaxRuns *uint64 `json:"max_runs,omitempty"`
 }
 
 // Ack is returned by accepted daemon control methods.
@@ -454,6 +463,10 @@ func (c *Client) ScheduleList(ctx context.Context) (json.RawMessage, error) {
 	return c.rawData(ctx, "schedule.list", nil)
 }
 
+func (c *Client) ScheduleListFiltered(ctx context.Context, params ScheduleListParams) (json.RawMessage, error) {
+	return c.rawData(ctx, "schedule.list", params)
+}
+
 func (c *Client) ScheduleAdd(ctx context.Context, params ScheduleMutationParams) (json.RawMessage, error) {
 	return c.rawData(ctx, "schedule.add", params)
 }