[OPIK-1018] add OpenAPI spec for the projectName field of Span (#1678)

* OPIK-1018 add OpenAPI spec for the projectName field of Span

* OPIK-1018 minor fix

Author: idoberko2

apps/opik-documentation/documentation/fern/openapi/opik.yaml

@@ -6707,6 +6707,10 @@ components:
         id:
           type: string
           format: uuid
+        project_name:
+          pattern: (?s)^\s*(\S.*\S|\S)\s*$
+          type: string
+          description: "If null, the default project is used"
         project_id:
           type: string
           format: uuid

sdks/code_generation/fern/openapi/openapi.yaml

@@ -6707,6 +6707,10 @@ components:
         id:
           type: string
           format: uuid
+        project_name:
+          pattern: (?s)^\s*(\S.*\S|\S)\s*$
+          type: string
+          description: "If null, the default project is used"
         project_id:
           type: string
           format: uuid

sdks/python/src/opik/rest_api/types/span_public.py

@@ -2,18 +2,23 @@
 
 from ..core.pydantic_utilities import UniversalBaseModel
 import typing
+import pydantic
 from .span_public_type import SpanPublicType
 import datetime as dt
 from .json_node_public import JsonNodePublic
 from .error_info_public import ErrorInfoPublic
 from .feedback_score_public import FeedbackScorePublic
 from .comment_public import CommentPublic
-import pydantic
 from ..core.pydantic_utilities import IS_PYDANTIC_V2
 
 
 class SpanPublic(UniversalBaseModel):
     id: typing.Optional[str] = None
+    project_name: typing.Optional[str] = pydantic.Field(default=None)
+    """
+    If null, the default project is used
+    """
+
     project_id: typing.Optional[str] = None
     trace_id: str
     parent_span_id: typing.Optional[str] = None

sdks/typescript/src/opik/rest_api/api/types/SpanPublic.ts

@@ -6,6 +6,8 @@ import * as OpikApi from "../index";
 
 export interface SpanPublic {
     id?: string;
+    /** If null, the default project is used */
+    projectName?: string;
     projectId?: string;
     traceId: string;
     parentSpanId?: string;

sdks/typescript/src/opik/rest_api/serialization/types/SpanPublic.ts

@@ -14,6 +14,7 @@ import { CommentPublic } from "./CommentPublic";
 export const SpanPublic: core.serialization.ObjectSchema<serializers.SpanPublic.Raw, OpikApi.SpanPublic> =
     core.serialization.object({
         id: core.serialization.string().optional(),
+        projectName: core.serialization.property("project_name", core.serialization.string().optional()),
         projectId: core.serialization.property("project_id", core.serialization.string().optional()),
         traceId: core.serialization.property("trace_id", core.serialization.string()),
         parentSpanId: core.serialization.property("parent_span_id", core.serialization.string().optional()),
@@ -49,6 +50,7 @@ export const SpanPublic: core.serialization.ObjectSchema<serializers.SpanPublic.
 export declare namespace SpanPublic {
     export interface Raw {
         id?: string | null;
+        project_name?: string | null;
         project_id?: string | null;
         trace_id: string;
         parent_span_id?: string | null;