feat(api): add findings module with vector search (MS22-DB-001, MS22-API-001) (#585)

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

apps/api/src/findings/dto/create-finding.dto.ts

@@ -0,0 +1,33 @@
+import { IsObject, IsOptional, IsString, IsUUID, MaxLength, MinLength } from "class-validator";
+
+/**
+ * DTO for creating a finding
+ */
+export class CreateFindingDto {
+  @IsOptional()
+  @IsUUID("4", { message: "taskId must be a valid UUID" })
+  taskId?: string;
+
+  @IsString({ message: "agentId must be a string" })
+  @MinLength(1, { message: "agentId must not be empty" })
+  @MaxLength(255, { message: "agentId must not exceed 255 characters" })
+  agentId!: string;
+
+  @IsString({ message: "type must be a string" })
+  @MinLength(1, { message: "type must not be empty" })
+  @MaxLength(100, { message: "type must not exceed 100 characters" })
+  type!: string;
+
+  @IsString({ message: "title must be a string" })
+  @MinLength(1, { message: "title must not be empty" })
+  @MaxLength(255, { message: "title must not exceed 255 characters" })
+  title!: string;
+
+  @IsObject({ message: "data must be an object" })
+  data!: Record<string, unknown>;
+
+  @IsString({ message: "summary must be a string" })
+  @MinLength(1, { message: "summary must not be empty" })
+  @MaxLength(20000, { message: "summary must not exceed 20000 characters" })
+  summary!: string;
+}