feat: add AST_CHECK_FAILED status and update result display

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/utils/types.ts

@@ -65,7 +65,7 @@ export type LANGUAGE =
 export type LANGUAGE_SHOW_LABEL =
   (typeof LANGUAGE_SHOW_VALUE)[keyof typeof LANGUAGE_SHOW_VALUE]
 
-export type SUBMISSION_RESULT = -2 | -1 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
+export type SUBMISSION_RESULT = -2 | -1 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10
 
 export type ProblemStatus = "passed" | "failed" | "not_test"
 
@@ -137,6 +137,7 @@ export interface Problem {
   flowchart_data?: Record<string, any>
   flowchart_hint?: string
   show_flowchart?: boolean
+  ast_rules?: { [key: string]: { engine: string; target?: string; min?: number; max?: number; message: string }[] } | null
 }
 
 export type AdminProblem = Problem & AlterProblem