diff --git a/src/tracker/api/attachments.py b/src/tracker/api/attachments.py
index d9fad5c..19da55a 100644
--- a/src/tracker/api/attachments.py
+++ b/src/tracker/api/attachments.py
@@ -11,6 +11,7 @@ from sqlalchemy.ext.asyncio import AsyncSession
 
 from tracker.database import get_db
 from tracker.models import Attachment, Message, Member
+from tracker.api.schemas import UploadOut
 
 router = APIRouter(tags=["attachments"])
 
@@ -50,13 +51,13 @@ async def upload_file(
 
     mime = file.content_type or mimetypes.guess_type(file.filename or "")[0]
 
-    return {
-        "file_id": str(file_id),
-        "filename": file.filename,
-        "mime_type": mime,
-        "size": len(content),
-        "storage_name": storage_name,
-    }
+    return UploadOut(
+        file_id=str(file_id),
+        filename=file.filename or "",
+        mime_type=mime,
+        size=len(content),
+        storage_name=storage_name,
+    )
 
 
 @router.get("/attachments/{attachment_id}/download")
diff --git a/src/tracker/api/members.py b/src/tracker/api/members.py
index 003d47c..4062469 100644
--- a/src/tracker/api/members.py
+++ b/src/tracker/api/members.py
@@ -12,8 +12,7 @@ from sqlalchemy.orm import selectinload
 from tracker.database import get_db
 from tracker.enums import AuthMethod, ListenMode, MemberRole, MemberStatus, MemberType
 from tracker.models import Member, AgentConfig
-from tracker.schemas import MemberOut, AgentConfigOut
-from tracker.api.schemas import AgentConfigOut, MemberOut
+from tracker.api.schemas import MemberOut, AgentConfigOut, OkResponse
 from tracker.api.converters import member_out
 
 router = APIRouter(tags=["members"])
diff --git a/src/tracker/api/project_files.py b/src/tracker/api/project_files.py
index f4be235..0d337df 100644
--- a/src/tracker/api/project_files.py
+++ b/src/tracker/api/project_files.py
@@ -14,7 +14,7 @@ from sqlalchemy.orm import selectinload
 
 from tracker.database import get_db
 from tracker.models import ProjectFile, Project, Member
-from tracker.schemas import ProjectFileOut, MemberBrief
+from tracker.api.schemas import ProjectFileOut, MemberBrief
 from tracker.api.schemas import ProjectFileOut
 # Using unified schemas from schemas.py
 
diff --git a/src/tracker/api/projects.py b/src/tracker/api/projects.py
index c9859f3..54f1c4e 100644
--- a/src/tracker/api/projects.py
+++ b/src/tracker/api/projects.py
@@ -43,22 +43,21 @@ class ProjectMemberOut(BaseModel):
         from_attributes = True
 
 
-async def _project_out(p: Project, db: AsyncSession) -> dict:
-    # Get project chat
+async def _project_out(p: Project, db: AsyncSession) -> ProjectOut:
     chat_result = await db.execute(
         select(Chat).where(Chat.project_id == p.id, Chat.kind == ChatKind.PROJECT)
     )
     chat = chat_result.scalar_one_or_none()
-    return {
-        "id": str(p.id),
-        "name": p.name,
-        "slug": p.slug,
-        "description": p.description,
-        "repo_urls": p.repo_urls or [],
-        "status": p.status,
-        "task_counter": p.task_counter,
-        "chat_id": str(chat.id) if chat else None,
-    }
+    return ProjectOut(
+        id=str(p.id),
+        name=p.name,
+        slug=p.slug,
+        description=p.description,
+        repo_urls=p.repo_urls or [],
+        status=p.status,
+        task_counter=p.task_counter,
+        chat_id=str(chat.id) if chat else None,
+    )
 
 
 @router.get("/projects", response_model=list[ProjectOut])
diff --git a/src/tracker/api/schemas.py b/src/tracker/api/schemas.py
index 5a0b22a..47a116a 100644
--- a/src/tracker/api/schemas.py
+++ b/src/tracker/api/schemas.py
@@ -104,6 +104,19 @@ class ProjectOut(BaseModel):
         from_attributes = True
 
 
+class UploadOut(BaseModel):
+    """Response from file upload endpoint."""
+    file_id: str
+    filename: str
+    mime_type: str | None = None
+    size: int
+    storage_name: str
+
+
+class OkResponse(BaseModel):
+    ok: bool = True
+
+
 class ProjectFileOut(BaseModel):
     id: str
     filename: str
diff --git a/src/tracker/api/steps.py b/src/tracker/api/steps.py
index eca1359..888c91d 100644
--- a/src/tracker/api/steps.py
+++ b/src/tracker/api/steps.py
@@ -9,7 +9,7 @@ from sqlalchemy.ext.asyncio import AsyncSession
 
 from tracker.database import get_db
 from tracker.models import Step, Task
-from tracker.schemas import StepOut
+from tracker.api.schemas import StepOut
 from tracker.api.schemas import StepOut
 from tracker.api.converters import step_out
 
diff --git a/src/tracker/api/tasks.py b/src/tracker/api/tasks.py
index eaca332..53e76bb 100644
--- a/src/tracker/api/tasks.py
+++ b/src/tracker/api/tasks.py
@@ -211,13 +211,13 @@ async def list_tasks(
         q = q.where(Task.labels.contains([label]))
     q = q.order_by(Task.position, Task.created_at)
     result = await db.execute(q)
-    return [_to_task_out(t, t.project.slug if t.project else "") for t in result.scalars()]
+    return [task_out(t, t.project.slug if t.project else "") for t in result.scalars()]
 
 
 @router.get("/tasks/{task_id}", response_model=TaskOut)
 async def get_task(task_id: str, db: AsyncSession = Depends(get_db)):
     task = await _get_task(task_id, db)
-    return _to_task_out(task, task.project.slug if task.project else "")
+    return task_out(task, task.project.slug if task.project else "")
 
 
 @router.post("/tasks", response_model=TaskOut)
@@ -263,18 +263,9 @@ async def create_task(
 
     # Broadcast using TaskOut schema
     from tracker.ws.manager import manager
-    task_schema = _to_task_out(task_full, project.slug)
+    task_schema = task_out(task_full, project.slug)
     key = f"{project.slug[:2].upper()}-{task.number}"
-    await manager.broadcast_task_event(str(project.id), WSEventType.TASK_CREATED, {
-        "id": str(task.id),
-        "project_id": str(project.id),
-        "number": task.number,
-        "key": key,
-        "title": task.title,
-        "status": task.status,
-        "assignee_id": str(assignee_id) if assignee_id else None,
-        "assignee": _to_member_brief(task_full.assignee).model_dump() if task_full.assignee else None,
-    })
+    await manager.broadcast_task_event(str(project.id), WSEventType.TASK_CREATED, task_schema.model_dump())
 
     # System message
     chat_text = f"{key} создана: {task.title}"
@@ -286,7 +277,7 @@ async def create_task(
                           project_slug=project.slug, actor=current_member)
     await db.commit()
 
-    return _to_task_out(task_full, project.slug)
+    return task_out(task_full, project.slug)
 
 
 @router.patch("/tasks/{task_id}", response_model=TaskOut)
@@ -383,14 +374,10 @@ async def update_task(
     # Broadcast simplified update
     from tracker.ws.manager import manager
     task_full = await _get_task(task_id, db)
-    await manager.broadcast_task_event(str(task.project_id), WSEventType.TASK_UPDATED, {
-        "id": str(task.id),
-        "status": task.status,
-        "assignee_id": str(task.assignee_id) if task.assignee_id else None,
-        "assignee": _to_member_brief(task_full.assignee).model_dump() if task_full.assignee else None,
-    })
+    task_schema = task_out(task_full, slug)
+    await manager.broadcast_task_event(str(task.project_id), WSEventType.TASK_UPDATED, task_schema.model_dump())
 
-    return _to_task_out(task_full, slug)
+    return task_schema
 
 
 @router.delete("/tasks/{task_id}")
@@ -448,13 +435,10 @@ async def take_task(
 
     from tracker.ws.manager import manager
     task_full = await _get_task(task_id, db)
-    await manager.broadcast_task_event(str(task.project_id), WSEventType.TASK_ASSIGNED, {
-        "id": str(task.id),
-        "assignee_id": str(current_member.id),
-        "assignee": _to_member_brief(current_member).model_dump(),
-    })
+    task_schema = task_out(task_full, proj_slug)
+    await manager.broadcast_task_event(str(task.project_id), WSEventType.TASK_ASSIGNED, task_schema.model_dump())
 
-    return _to_task_out(task_full, proj_slug)
+    return task_schema
 
 
 @router.post("/tasks/{task_id}/reject")
@@ -525,13 +509,10 @@ async def assign_task(
 
     from tracker.ws.manager import manager
     task_full = await _get_task(str(task.id), db)
-    await manager.broadcast_task_event(str(task.project_id), WSEventType.TASK_ASSIGNED, {
-        "id": str(task.id),
-        "assignee_id": str(assignee.id),
-        "assignee": _to_member_brief(assignee).model_dump(),
-    })
+    task_schema = task_out(task_full, proj_slug)
+    await manager.broadcast_task_event(str(task.project_id), WSEventType.TASK_ASSIGNED, task_schema.model_dump())
 
-    return _to_task_out(task_full, proj_slug)
+    return task_schema
 
 
 @router.post("/tasks/{task_id}/watch")
diff --git a/src/tracker/schemas.py b/src/tracker/schemas.py
deleted file mode 100644
index 29e7816..0000000
--- a/src/tracker/schemas.py
+++ /dev/null
@@ -1,97 +0,0 @@
-"""Unified Pydantic schemas for consistent data serialization across REST API and WebSocket broadcasts."""
-
-from pydantic import BaseModel
-
-
-class MemberBrief(BaseModel):
-    """Краткий member для вложенных объектов (author, assignee, reviewer)"""
-    id: str
-    slug: str
-    name: str
-
-
-class AgentConfigOut(BaseModel):
-    capabilities: list[str] = []
-    chat_listen: str = "mentions"
-    task_listen: str = "mentions"
-    prompt: str | None = None
-    model: str | None = None
-
-
-class MemberOut(BaseModel):
-    id: str
-    slug: str
-    name: str
-    type: str
-    role: str
-    status: str
-    avatar_url: str | None = None
-    is_active: bool
-    token: str | None = None  # Показывается только для агентов при создании
-    agent_config: AgentConfigOut | None = None
-
-
-class MessageOut(BaseModel):
-    id: str
-    chat_id: str | None = None
-    task_id: str | None = None
-    parent_id: str | None = None
-    author_type: str
-    author_id: str | None = None
-    author: MemberBrief | None = None
-    content: str
-    mentions: list[str] = []
-    voice_url: str | None = None
-    attachments: list[dict] = []
-    created_at: str
-
-
-class StepOut(BaseModel):
-    id: str
-    task_id: str
-    title: str
-    done: bool
-    position: int
-    created_at: str
-
-
-class TaskOut(BaseModel):
-    id: str
-    project_id: str
-    number: int
-    key: str
-    title: str
-    description: str | None = None
-    type: str
-    status: str
-    priority: str
-    labels: list[str] = []
-    assignee: MemberBrief | None = None
-    reviewer: MemberBrief | None = None
-    assignee_id: str | None = None
-    reviewer_id: str | None = None
-    watcher_ids: list[str] = []
-    depends_on: list[str] = []
-    position: int
-    time_spent: int = 0
-    steps: list[StepOut] = []
-    created_at: str
-    updated_at: str
-
-
-class AttachmentOut(BaseModel):
-    id: str
-    filename: str
-    mime_type: str | None = None
-    size: int
-
-
-class ProjectFileOut(BaseModel):
-    id: str
-    filename: str
-    description: str | None = None
-    mime_type: str | None = None
-    size: int
-    uploaded_by: MemberBrief | None = None
-    created_at: str
-    updated_at: str
\ No newline at end of file
diff --git a/src/tracker/ws/handler.py b/src/tracker/ws/handler.py
index 2d30ebe..234cc0b 100644
--- a/src/tracker/ws/handler.py
+++ b/src/tracker/ws/handler.py
@@ -13,7 +13,7 @@ from tracker.enums import (
     ProjectStatus, WSEventType,
 )
 from tracker.models import Member, AgentConfig, Chat, Message, Project, ProjectMember
-from tracker.schemas import MessageOut, MemberBrief
+from tracker.api.schemas import MessageOut, MemberBrief
 from tracker.ws.manager import ConnectedClient, manager
 
 logger = logging.getLogger("tracker.ws")