feat(api): add admin bulk import endpoints (MS21-MIG-004) (#567)

Co-authored-by: Jason Woltje <jason@diversecanvas.com>
Co-committed-by: Jason Woltje <jason@diversecanvas.com>

apps/api/src/import/dto/import-project.dto.ts

@@ -0,0 +1,89 @@
+import { IsNumber, IsOptional, IsString, MaxLength, MinLength } from "class-validator";
+
+/**
+ * DTO for a single jarvis-brain project record.
+ * This matches the project object shape consumed by scripts/migrate-brain.ts.
+ */
+export class ImportProjectDto {
+  @IsString({ message: "id must be a string" })
+  @MinLength(1, { message: "id must not be empty" })
+  @MaxLength(255, { message: "id must not exceed 255 characters" })
+  id!: string;
+
+  @IsString({ message: "name must be a string" })
+  @MinLength(1, { message: "name must not be empty" })
+  @MaxLength(255, { message: "name must not exceed 255 characters" })
+  name!: string;
+
+  @IsOptional()
+  @IsString({ message: "description must be a string" })
+  description?: string | null;
+
+  @IsOptional()
+  @IsString({ message: "domain must be a string" })
+  domain?: string | null;
+
+  @IsOptional()
+  @IsString({ message: "status must be a string" })
+  status?: string | null;
+
+  // jarvis-brain project priority can be a number, string, or null
+  @IsOptional()
+  priority?: number | string | null;
+
+  @IsOptional()
+  @IsNumber({}, { message: "progress must be a number" })
+  progress?: number | null;
+
+  @IsOptional()
+  @IsString({ message: "repo must be a string" })
+  repo?: string | null;
+
+  @IsOptional()
+  @IsString({ message: "branch must be a string" })
+  branch?: string | null;
+
+  @IsOptional()
+  @IsString({ message: "current_milestone must be a string" })
+  current_milestone?: string | null;
+
+  @IsOptional()
+  @IsString({ message: "next_milestone must be a string" })
+  next_milestone?: string | null;
+
+  @IsOptional()
+  @IsString({ message: "blocker must be a string" })
+  blocker?: string | null;
+
+  @IsOptional()
+  @IsString({ message: "owner must be a string" })
+  owner?: string | null;
+
+  @IsOptional()
+  @IsString({ message: "docs_path must be a string" })
+  docs_path?: string | null;
+
+  @IsOptional()
+  @IsString({ message: "created must be a string" })
+  created?: string | null;
+
+  @IsOptional()
+  @IsString({ message: "updated must be a string" })
+  updated?: string | null;
+
+  @IsOptional()
+  @IsString({ message: "target_date must be a string" })
+  target_date?: string | null;
+
+  @IsOptional()
+  @IsString({ message: "notes must be a string" })
+  notes?: string | null;
+
+  @IsOptional()
+  @IsString({ message: "notes_nontechnical must be a string" })
+  notes_nontechnical?: string | null;
+
+  @IsOptional()
+  @IsString({ message: "parent must be a string" })
+  parent?: string | null;
+}