Add AI job management endpoints

internal/model/job.go

@@ -67,6 +67,21 @@ type FailJob struct {
 	ErrorMessage string `json:"error_message"`
 }
 
+type JobFilter struct {
+	OwnerService string   `json:"owner_service,omitempty"`
+	OwnerRef     string   `json:"owner_ref,omitempty"`
+	TaskType     string   `json:"task_type,omitempty"`
+	ModelProfile string   `json:"model_profile,omitempty"`
+	Statuses     []string `json:"statuses,omitempty"`
+	ErrorCodes   []string `json:"error_codes,omitempty"`
+	Limit        int      `json:"limit,omitempty"`
+	Offset       int      `json:"offset,omitempty"`
+}
+
+type BatchActionResult struct {
+	Updated int `json:"updated"`
+}
+
 type QueueStat struct {
 	TaskType     string `json:"task_type"`
 	ModelProfile string `json:"model_profile"`
@@ -82,8 +97,17 @@ type ErrorStat struct {
 	Last24h      int64  `json:"last_24h"`
 }
 
+type OwnerStat struct {
+	OwnerService string `json:"owner_service"`
+	TaskType     string `json:"task_type"`
+	ModelProfile string `json:"model_profile"`
+	Status       string `json:"status"`
+	Total        int64  `json:"total"`
+}
+
 type Stats struct {
 	At     time.Time   `json:"at"`
 	Queues []QueueStat `json:"queues"`
+	Owners []OwnerStat `json:"owners,omitempty"`
 	Errors []ErrorStat `json:"errors,omitempty"`
 }