Add Contact standard object, related lists, meilisearch, pagination, search, AI assistant

backend/src/ai-assistant/ai-assistant.controller.ts

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+import { Body, Controller, Post, UseGuards } from '@nestjs/common';
+import { JwtAuthGuard } from '../auth/jwt-auth.guard';
+import { CurrentUser } from '../auth/current-user.decorator';
+import { TenantId } from '../tenant/tenant.decorator';
+import { AiAssistantService } from './ai-assistant.service';
+import { AiChatRequestDto } from './dto/ai-chat.dto';
+import { AiSearchRequestDto } from './dto/ai-search.dto';
+
+@Controller('ai')
+@UseGuards(JwtAuthGuard)
+export class AiAssistantController {
+  constructor(private readonly aiAssistantService: AiAssistantService) {}
+
+  @Post('chat')
+  async chat(
+    @TenantId() tenantId: string,
+    @CurrentUser() user: any,
+    @Body() payload: AiChatRequestDto,
+  ) {
+    return this.aiAssistantService.handleChat(
+      tenantId,
+      user.userId,
+      payload.message,
+      payload.history,
+      payload.context,
+    );
+  }
+
+  @Post('search')
+  async search(
+    @TenantId() tenantId: string,
+    @CurrentUser() user: any,
+    @Body() payload: AiSearchRequestDto,
+  ) {
+    return this.aiAssistantService.searchRecords(
+      tenantId,
+      user.userId,
+      payload,
+    );
+  }
+}

backend/src/ai-assistant/ai-assistant.module.ts

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+import { Module } from '@nestjs/common';
+import { AiAssistantController } from './ai-assistant.controller';
+import { AiAssistantService } from './ai-assistant.service';
+import { ObjectModule } from '../object/object.module';
+import { PageLayoutModule } from '../page-layout/page-layout.module';
+import { TenantModule } from '../tenant/tenant.module';
+import { MeilisearchModule } from '../search/meilisearch.module';
+
+@Module({
+  imports: [ObjectModule, PageLayoutModule, TenantModule, MeilisearchModule],
+  controllers: [AiAssistantController],
+  providers: [AiAssistantService],
+})
+export class AiAssistantModule {}

backend/src/ai-assistant/ai-assistant.types.ts

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+export interface AiChatMessage {
+  role: 'user' | 'assistant';
+  text: string;
+}
+
+export interface AiChatContext {
+  objectApiName?: string;
+  view?: string;
+  recordId?: string;
+  route?: string;
+}
+
+export interface AiAssistantReply {
+  reply: string;
+  action?: 'create_record' | 'collect_fields' | 'clarify';
+  missingFields?: string[];
+  record?: any;
+}
+
+export interface AiAssistantState {
+  message: string;
+  history?: AiChatMessage[];
+  context: AiChatContext;
+  objectDefinition?: any;
+  pageLayout?: any;
+  extractedFields?: Record<string, any>;
+  requiredFields?: string[];
+  missingFields?: string[];
+  action?: AiAssistantReply['action'];
+  record?: any;
+  reply?: string;
+}

backend/src/ai-assistant/dto/ai-chat.dto.ts

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+import { Type } from 'class-transformer';
+import { IsNotEmpty, IsObject, IsOptional, IsString, ValidateNested } from 'class-validator';
+import { AiChatMessageDto } from './ai-chat.message.dto';
+
+export class AiChatContextDto {
+  @IsOptional()
+  @IsString()
+  objectApiName?: string;
+
+  @IsOptional()
+  @IsString()
+  view?: string;
+
+  @IsOptional()
+  @IsString()
+  recordId?: string;
+
+  @IsOptional()
+  @IsString()
+  route?: string;
+}
+
+export class AiChatRequestDto {
+  @IsString()
+  @IsNotEmpty()
+  message: string;
+
+  @IsOptional()
+  @IsObject()
+  context?: AiChatContextDto;
+
+  @IsOptional()
+  @ValidateNested({ each: true })
+  @Type(() => AiChatMessageDto)
+  history?: AiChatMessageDto[];
+}

backend/src/ai-assistant/dto/ai-chat.message.dto.ts

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+import { IsIn, IsNotEmpty, IsString } from 'class-validator';
+
+export class AiChatMessageDto {
+  @IsIn(['user', 'assistant'])
+  role: 'user' | 'assistant';
+
+  @IsString()
+  @IsNotEmpty()
+  text: string;
+}

backend/src/ai-assistant/dto/ai-search.dto.ts

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+import { Type } from 'class-transformer';
+import { IsNotEmpty, IsOptional, IsString, IsNumber } from 'class-validator';
+
+export class AiSearchRequestDto {
+  @IsString()
+  @IsNotEmpty()
+  objectApiName: string;
+
+  @IsString()
+  @IsNotEmpty()
+  query: string;
+
+  @IsOptional()
+  @Type(() => Number)
+  @IsNumber()
+  page?: number;
+
+  @IsOptional()
+  @Type(() => Number)
+  @IsNumber()
+  pageSize?: number;
+}