feat: 集成 AI 对话与只读查询工具

apps/server/src/ai-chat/entities/ai-tool-run.entity.ts

@@ -0,0 +1,47 @@
+import {
+  Column,
+  CreateDateColumn,
+  Entity,
+  Index,
+  JoinColumn,
+  ManyToOne,
+  PrimaryGeneratedColumn,
+} from 'typeorm';
+import { AiMessage } from './ai-message.entity';
+
+export type AiToolRunStatus = 'running' | 'success' | 'failed' | 'denied' | 'not_found';
+
+@Entity('ai_tool_runs')
+@Index('idx_ai_tool_runs_message', ['messageId'])
+export class AiToolRun {
+  @PrimaryGeneratedColumn()
+  id: number;
+
+  @Column({ name: 'message_id', type: 'integer' })
+  messageId: number;
+
+  @ManyToOne(() => AiMessage, (message) => message.toolRuns, { onDelete: 'CASCADE' })
+  @JoinColumn({ name: 'message_id' })
+  message: AiMessage;
+
+  @Column({ name: 'tool_call_id', type: 'varchar', length: 100 })
+  toolCallId: string;
+
+  @Column({ name: 'tool_name', type: 'varchar', length: 64 })
+  toolName: string;
+
+  @Column({ name: 'arguments_summary', type: 'text', nullable: true })
+  argumentsSummary: string | null;
+
+  @Column({ name: 'result_summary', type: 'text', nullable: true })
+  resultSummary: string | null;
+
+  @Column({ type: 'varchar', length: 20 })
+  status: AiToolRunStatus;
+
+  @Column({ name: 'duration_ms', type: 'integer', nullable: true })
+  durationMs: number | null;
+
+  @CreateDateColumn({ name: 'created_at', type: 'datetime' })
+  createdAt: Date;
+}