Merge pull request #734 from objectstack-ai/copilot/define-feed-chatter-api-endpoints

Author: hotlong

ROADMAP.md

@@ -152,7 +152,7 @@ The following renames are planned for packages that implement core service contr
 - [x] **System Protocol** — Manifest, Auth Config, Cache, Logging, Metrics, Tracing, Audit, Encryption, Masking, Migration, Tenant, Translation, Search Engine, HTTP Server, Worker, Job, Object Storage, Notification, Message Queue, Registry Config, Collaboration, Compliance, Change Management, Disaster Recovery, License, Security Context, Core Services, SystemObjectName/SystemFieldName Constants, StorageNameMapping Utilities
 - [x] **Automation Protocol** — Flow (autolaunched/screen/schedule), Workflow, State Machine, Trigger Registry, Approval, ETL, Sync, Webhook
 - [x] **AI Protocol** — Agent, Agent Action, Conversation, Cost, MCP, Model Registry, NLQ, Orchestration, Predictive, RAG Pipeline, Runtime Ops, Feedback Loop, DevOps Agent, Plugin Development
-- [x] **API Protocol** — Protocol (104 schemas), Endpoint, Contract, Router, Dispatcher, REST Server, GraphQL, OData, WebSocket, Realtime, Batch, Versioning, HTTP Cache, Documentation, Discovery, Registry, Errors, Auth, Auth Endpoints, Metadata, Analytics, Query Adapter, Storage, Plugin REST API
+- [x] **API Protocol** — Protocol (104 schemas), Endpoint, Contract, Router, Dispatcher, REST Server, GraphQL, OData, WebSocket, Realtime, Batch, Versioning, HTTP Cache, Documentation, Discovery, Registry, Errors, Auth, Auth Endpoints, Metadata, Analytics, Query Adapter, Storage, Plugin REST API, Feed API (Feed CRUD, Reactions, Subscription)
 - [x] **Security Protocol** — Permission, Policy, RLS, Sharing, Territory
 - [x] **Identity Protocol** — Identity, Organization, Role, SCIM
 - [x] **Kernel Protocol** — Plugin, Plugin Lifecycle, Plugin Loading, Plugin Registry, Plugin Security, Plugin Validator, Plugin Versioning, Service Registry, Startup Orchestrator, Feature Flags, Context, Events, Metadata Plugin, Metadata Loader, Metadata Customization, CLI Extension, Dev Plugin, Package Registry, Package Upgrade, Execution Context