diff --git a/src/tracker/api/attachments.py b/src/tracker/api/attachments.py
index 19da55a..daec357 100644
--- a/src/tracker/api/attachments.py
+++ b/src/tracker/api/attachments.py
@@ -9,9 +9,9 @@ from fastapi.responses import FileResponse
 from sqlalchemy import select
 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
+from ..database import get_db
+from ..models import Attachment, Message, Member
+from .schemas import UploadOut
 
 router = APIRouter(tags=["attachments"])
 
diff --git a/src/tracker/api/auth.py b/src/tracker/api/auth.py
index affc17e..036fa60 100644
--- a/src/tracker/api/auth.py
+++ b/src/tracker/api/auth.py
@@ -10,9 +10,9 @@ from pydantic import BaseModel
 from sqlalchemy import select
 from sqlalchemy.ext.asyncio import AsyncSession
 
-from tracker.config import settings
-from tracker.database import get_db
-from tracker.models import Member
+from ..config import settings
+from ..database import get_db
+from ..models import Member
 
 router = APIRouter(tags=["auth"])
 
diff --git a/src/tracker/api/converters.py b/src/tracker/api/converters.py
index a422ae3..96cece3 100644
--- a/src/tracker/api/converters.py
+++ b/src/tracker/api/converters.py
@@ -1,8 +1,8 @@
 """ORM → Pydantic converters. Single place for all model-to-schema transformations."""
 
-from tracker.models import Attachment, Member, Message, ProjectFile, Step, Task
-from tracker.enums import MemberType
-from tracker.api.schemas import (
+from ..models import Attachment, Member, Message, ProjectFile, Step, Task
+from ..enums import MemberType
+from .schemas import (
     AgentConfigOut,
     AttachmentOut,
     MemberBrief,
diff --git a/src/tracker/api/members.py b/src/tracker/api/members.py
index 4062469..2b2f93d 100644
--- a/src/tracker/api/members.py
+++ b/src/tracker/api/members.py
@@ -9,11 +9,11 @@ from sqlalchemy import select
 from sqlalchemy.ext.asyncio import AsyncSession
 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.api.schemas import MemberOut, AgentConfigOut, OkResponse
-from tracker.api.converters import member_out
+from ..database import get_db
+from ..enums import AuthMethod, ListenMode, MemberRole, MemberStatus, MemberType
+from ..models import Member, AgentConfig
+from .schemas import MemberOut, AgentConfigOut, OkResponse
+from .converters import member_out
 
 router = APIRouter(tags=["members"])
 
diff --git a/src/tracker/api/messages.py b/src/tracker/api/messages.py
index 46c1eb6..5ff10de 100644
--- a/src/tracker/api/messages.py
+++ b/src/tracker/api/messages.py
@@ -10,11 +10,11 @@ from sqlalchemy import select
 from sqlalchemy.ext.asyncio import AsyncSession
 from sqlalchemy.orm import selectinload
 
-from tracker.database import get_db
-from tracker.enums import AuthorType, ChatKind
-from tracker.models import Message, Chat, Attachment
-from tracker.api.schemas import MessageOut
-from tracker.api.converters import message_out
+from ..database import get_db
+from ..enums import AuthorType, ChatKind
+from ..models import Message, Chat, Attachment
+from .schemas import MessageOut
+from .converters import message_out
 
 router = APIRouter(tags=["messages"])
 
@@ -127,7 +127,7 @@ async def create_message(req: MessageCreate, request: Request, db: AsyncSession
     msg_data = message_out(msg).model_dump()
 
     # Broadcast via WebSocket
-    from tracker.ws.manager import manager
+    from ..ws.manager import manager
 
     project_id = None
     if req.chat_id:
diff --git a/src/tracker/api/project_files.py b/src/tracker/api/project_files.py
index 1ece69a..c036079 100644
--- a/src/tracker/api/project_files.py
+++ b/src/tracker/api/project_files.py
@@ -12,9 +12,9 @@ from sqlalchemy import select, or_
 from sqlalchemy.ext.asyncio import AsyncSession
 from sqlalchemy.orm import selectinload
 
-from tracker.database import get_db
-from tracker.models import ProjectFile, Project, Member
-from tracker.api.schemas import ProjectFileOut, MemberBrief
+from ..database import get_db
+from ..models import ProjectFile, Project, Member
+from .schemas import ProjectFileOut, MemberBrief
 
 router = APIRouter(tags=["project-files"])
 
diff --git a/src/tracker/api/projects.py b/src/tracker/api/projects.py
index 54f1c4e..5e35b1b 100644
--- a/src/tracker/api/projects.py
+++ b/src/tracker/api/projects.py
@@ -6,10 +6,10 @@ from sqlalchemy import select
 from sqlalchemy.ext.asyncio import AsyncSession
 from sqlalchemy.orm import selectinload
 
-from tracker.database import get_db
-from tracker.enums import ChatKind, MemberRole, ProjectStatus
-from tracker.models import Project, Chat, Member, ProjectMember
-from tracker.api.schemas import ProjectOut
+from ..database import get_db
+from ..enums import ChatKind, MemberRole, ProjectStatus
+from ..models import Project, Chat, Member, ProjectMember
+from .schemas import ProjectOut
 
 router = APIRouter(tags=["projects"])
 
diff --git a/src/tracker/api/steps.py b/src/tracker/api/steps.py
index c1db9c9..3a1ab14 100644
--- a/src/tracker/api/steps.py
+++ b/src/tracker/api/steps.py
@@ -7,11 +7,11 @@ from pydantic import BaseModel
 from sqlalchemy import select, func
 from sqlalchemy.ext.asyncio import AsyncSession
 
-from tracker.database import get_db
-from tracker.models import Step, Task
-from tracker.api.schemas import StepOut
-from tracker.api.schemas import StepOut
-from tracker.api.converters import step_out
+from ..database import get_db
+from ..models import Step, Task
+from .schemas import StepOut
+from .schemas import StepOut
+from .converters import step_out
 
 router = APIRouter(tags=["steps"])
 
diff --git a/src/tracker/api/tasks.py b/src/tracker/api/tasks.py
index 53e76bb..9d5ea8b 100644
--- a/src/tracker/api/tasks.py
+++ b/src/tracker/api/tasks.py
@@ -10,14 +10,14 @@ from sqlalchemy import select, update
 from sqlalchemy.ext.asyncio import AsyncSession
 from sqlalchemy.orm import selectinload, joinedload
 
-from tracker.database import get_db
-from tracker.enums import (
+from ..database import get_db
+from ..enums import (
     AuthorType, ChatKind, TaskActionType, TaskPriority, TaskStatus, TaskType, WSEventType,
 )
-from tracker.models import Task, Step, Project, Member, Message, Chat, TaskAction
-from tracker.api.auth import get_current_member
-from tracker.api.schemas import TaskOut, MessageOut
-from tracker.api.converters import task_out, message_out, member_brief
+from ..models import Task, Step, Project, Member, Message, Chat, TaskAction
+from .auth import get_current_member
+from .schemas import TaskOut, MessageOut
+from .converters import task_out, message_out, member_brief
 
 router = APIRouter(tags=["tasks"])
 
@@ -97,7 +97,7 @@ async def _system_message(
 ):
     """Create system messages: one in project chat + one in task comments.
     Uses MessageOut schema for WS broadcasts."""
-    from tracker.ws.manager import manager
+    from ..ws.manager import manager
 
     prefix = project_slug[:2].upper() if project_slug else "XX"
     key = f"{prefix}-{task.number}"
@@ -262,7 +262,7 @@ async def create_task(
     task_full = await _get_task(str(task.id), db)
 
     # Broadcast using TaskOut schema
-    from tracker.ws.manager import manager
+    from ..ws.manager import manager
     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, task_schema.model_dump())
@@ -372,7 +372,7 @@ async def update_task(
     await db.refresh(task)
 
     # Broadcast simplified update
-    from tracker.ws.manager import manager
+    from ..ws.manager import manager
     task_full = await _get_task(task_id, db)
     task_schema = task_out(task_full, slug)
     await manager.broadcast_task_event(str(task.project_id), WSEventType.TASK_UPDATED, task_schema.model_dump())
@@ -392,7 +392,7 @@ async def delete_task(
     await db.commit()
     await db.delete(task)
     await db.commit()
-    from tracker.ws.manager import manager
+    from ..ws.manager import manager
     await manager.broadcast_task_event(project_id, WSEventType.TASK_DELETED, {
         "id": task_id, "project_id": project_id,
     })
@@ -433,7 +433,7 @@ async def take_task(
     )
     await db.commit()
 
-    from tracker.ws.manager import manager
+    from ..ws.manager import manager
     task_full = await _get_task(task_id, db)
     task_schema = task_out(task_full, proj_slug)
     await manager.broadcast_task_event(str(task.project_id), WSEventType.TASK_ASSIGNED, task_schema.model_dump())
@@ -469,7 +469,7 @@ async def reject_task(
     db.add(comment)
     await db.commit()
 
-    from tracker.ws.manager import manager
+    from ..ws.manager import manager
     task_full = await _get_task(task_id, db)
     proj_slug = task.project.slug if task.project else ""
     task_schema = task_out(task_full, proj_slug)
@@ -507,7 +507,7 @@ async def assign_task(
     )
     await db.commit()
 
-    from tracker.ws.manager import manager
+    from ..ws.manager import manager
     task_full = await _get_task(str(task.id), db)
     task_schema = task_out(task_full, proj_slug)
     await manager.broadcast_task_event(str(task.project_id), WSEventType.TASK_ASSIGNED, task_schema.model_dump())
diff --git a/src/tracker/app.py b/src/tracker/app.py
index ef001a0..9a93e44 100644
--- a/src/tracker/app.py
+++ b/src/tracker/app.py
@@ -11,9 +11,9 @@ from fastapi import FastAPI, Request
 from fastapi.middleware.cors import CORSMiddleware
 from fastapi.responses import JSONResponse
 
-from tracker.config import settings
-from tracker.database import engine, async_session
-from tracker.models import Base, Member
+from .config import settings
+from .database import engine, async_session
+from .models import Base, Member
 
 from sqlalchemy import select, update
 
@@ -26,7 +26,7 @@ logger = logging.getLogger("tracker")
 
 async def heartbeat_monitor():
     """Monitor heartbeat timeout — set status=offline after 90 seconds."""
-    from tracker.ws.manager import manager
+    from .ws.manager import manager
     from datetime import datetime, timezone, timedelta
 
     while True:
@@ -69,7 +69,7 @@ async def lifespan(app: FastAPI):
             result = await session.execute(select(Member).limit(1))
             if not result.scalar_one_or_none():
                 logger.info("Empty DB detected in dev mode — running seed...")
-                from tracker.init_db import seed_dev_data
+                from .init_db import seed_dev_data
                 await seed_dev_data(session)
                 logger.info("Dev seed complete.")
 
@@ -120,7 +120,7 @@ async def auth_middleware(request: Request, call_next):
         member = result.scalar_one_or_none()
         if not member:
             # Try JWT
-            from tracker.api.auth import decode_jwt
+            from .api.auth import decode_jwt
             try:
                 payload = decode_jwt(token)
                 result = await db.execute(select(Member).where(Member.id == payload["sub"]))
@@ -167,8 +167,8 @@ app.add_middleware(
 )
 
 # Routers
-from tracker.api import auth, members, projects, tasks, messages, steps, attachments, project_files  # noqa: E402
-from tracker.ws.handler import router as ws_router  # noqa: E402
+from .api import auth, members, projects, tasks, messages, steps, attachments, project_files  # noqa: E402
+from .ws.handler import router as ws_router  # noqa: E402
 
 app.include_router(auth.router, prefix="/api/v1")
 app.include_router(members.router, prefix="/api/v1")
diff --git a/src/tracker/database.py b/src/tracker/database.py
index 68f2c39..a7217e8 100644
--- a/src/tracker/database.py
+++ b/src/tracker/database.py
@@ -2,7 +2,7 @@
 
 from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
 
-from tracker.config import settings
+from .config import settings
 
 engine = create_async_engine(settings.database_url, echo=(settings.env == "dev"))
 async_session = async_sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
diff --git a/src/tracker/init_db.py b/src/tracker/init_db.py
index ceea3db..7bfc966 100644
--- a/src/tracker/init_db.py
+++ b/src/tracker/init_db.py
@@ -6,8 +6,8 @@ import logging
 
 from sqlalchemy.ext.asyncio import AsyncSession
 
-from tracker.enums import AuthMethod, ChatKind, MemberRole, MemberStatus, MemberType, ProjectStatus
-from tracker.models import Base, Member, Chat, Project, ProjectMember, AgentConfig
+from .enums import AuthMethod, ChatKind, MemberRole, MemberStatus, MemberType, ProjectStatus
+from .models import Base, Member, Chat, Project, ProjectMember, AgentConfig
 
 logger = logging.getLogger("tracker.init_db")
 
@@ -71,7 +71,7 @@ async def seed_dev_data(session: AsyncSession):
 
 async def reset_db():
     """Drop all tables, recreate, and seed. For dev use only."""
-    from tracker.database import engine, async_session
+    from .database import engine, async_session
 
     async with engine.begin() as conn:
         await conn.run_sync(Base.metadata.drop_all)
diff --git a/src/tracker/models/__init__.py b/src/tracker/models/__init__.py
index 5e4ea39..9c53287 100644
--- a/src/tracker/models/__init__.py
+++ b/src/tracker/models/__init__.py
@@ -1,11 +1,11 @@
 """Models package — import all models for metadata discovery."""
 
-from tracker.models.base import Base
-from tracker.models.member import AgentConfig, Member
-from tracker.models.project import Project, ProjectMember
-from tracker.models.task import Step, Task, TaskAction
-from tracker.models.chat import Attachment, Chat, Message
-from tracker.models.project_file import ProjectFile
+from .base import Base
+from .member import AgentConfig, Member
+from .project import Project, ProjectMember
+from .task import Step, Task, TaskAction
+from .chat import Attachment, Chat, Message
+from .project_file import ProjectFile
 
 __all__ = [
     "Base",
diff --git a/src/tracker/models/chat.py b/src/tracker/models/chat.py
index df9c693..d29efbf 100644
--- a/src/tracker/models/chat.py
+++ b/src/tracker/models/chat.py
@@ -7,12 +7,12 @@ from sqlalchemy import ForeignKey, Integer, String, Text
 from sqlalchemy.dialects.postgresql import ARRAY, UUID
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
-from tracker.enums import ChatKind
-from tracker.models.base import Base
+from ..enums import ChatKind
+from .base import Base
 
 if TYPE_CHECKING:
-    from tracker.models.member import Member
-    from tracker.models.project import Project
+    from .member import Member
+    from .project import Project
 
 
 class Chat(Base):
diff --git a/src/tracker/models/member.py b/src/tracker/models/member.py
index c1e2a67..73cde10 100644
--- a/src/tracker/models/member.py
+++ b/src/tracker/models/member.py
@@ -7,11 +7,11 @@ from sqlalchemy import ForeignKey, String, Text
 from sqlalchemy.dialects.postgresql import ARRAY, UUID
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
-from tracker.enums import AuthMethod, ListenMode, MemberRole, MemberStatus, MemberType
-from tracker.models.base import Base
+from ..enums import AuthMethod, ListenMode, MemberRole, MemberStatus, MemberType
+from .base import Base
 
 if TYPE_CHECKING:
-    from tracker.models.project import ProjectMember
+    from .project import ProjectMember
 
 
 class Member(Base):
diff --git a/src/tracker/models/project.py b/src/tracker/models/project.py
index bb42f37..6893e7f 100644
--- a/src/tracker/models/project.py
+++ b/src/tracker/models/project.py
@@ -7,13 +7,13 @@ from sqlalchemy import ForeignKey, Integer, String, Text, UniqueConstraint
 from sqlalchemy.dialects.postgresql import ARRAY, UUID
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
-from tracker.enums import MemberRole, ProjectStatus
-from tracker.models.base import Base
+from ..enums import MemberRole, ProjectStatus
+from .base import Base
 
 if TYPE_CHECKING:
-    from tracker.models.task import Task
-    from tracker.models.chat import Chat
-    from tracker.models.member import Member
+    from .task import Task
+    from .chat import Chat
+    from .member import Member
 
 
 class Project(Base):
diff --git a/src/tracker/models/project_file.py b/src/tracker/models/project_file.py
index 8f8fa3e..34ea50a 100644
--- a/src/tracker/models/project_file.py
+++ b/src/tracker/models/project_file.py
@@ -7,11 +7,11 @@ from sqlalchemy import ForeignKey, Integer, String, Text
 from sqlalchemy.dialects.postgresql import UUID
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
-from tracker.models.base import Base
+from .base import Base
 
 if TYPE_CHECKING:
-    from tracker.models.project import Project
-    from tracker.models.member import Member
+    from .project import Project
+    from .member import Member
 
 
 class ProjectFile(Base):
diff --git a/src/tracker/models/task.py b/src/tracker/models/task.py
index dab1573..ae29253 100644
--- a/src/tracker/models/task.py
+++ b/src/tracker/models/task.py
@@ -7,12 +7,12 @@ from sqlalchemy import Boolean, ForeignKey, Integer, String, Text
 from sqlalchemy.dialects.postgresql import ARRAY, UUID
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
-from tracker.enums import TaskPriority, TaskStatus, TaskType
-from tracker.models.base import Base
+from ..enums import TaskPriority, TaskStatus, TaskType
+from .base import Base
 
 if TYPE_CHECKING:
-    from tracker.models.member import Member
-    from tracker.models.project import Project
+    from .member import Member
+    from .project import Project
 
 
 class Task(Base):
diff --git a/src/tracker/ws/handler.py b/src/tracker/ws/handler.py
index 234cc0b..b035aa3 100644
--- a/src/tracker/ws/handler.py
+++ b/src/tracker/ws/handler.py
@@ -7,14 +7,14 @@ from fastapi import APIRouter, WebSocket, WebSocketDisconnect
 from sqlalchemy import select
 from sqlalchemy.orm import selectinload
 
-from tracker.database import async_session
-from tracker.enums import (
+from ..database import async_session
+from ..enums import (
     AuthMethod, ChatKind, ListenMode, MemberRole, MemberStatus, MemberType,
     ProjectStatus, WSEventType,
 )
-from tracker.models import Member, AgentConfig, Chat, Message, Project, ProjectMember
-from tracker.api.schemas import MessageOut, MemberBrief
-from tracker.ws.manager import ConnectedClient, manager
+from ..models import Member, AgentConfig, Chat, Message, Project, ProjectMember
+from ..api.schemas import MessageOut, MemberBrief
+from .manager import ConnectedClient, manager
 
 logger = logging.getLogger("tracker.ws")
 router = APIRouter()
@@ -134,7 +134,7 @@ async def _authenticate(ws: WebSocket, token: str, on_behalf_of: str | None = No
             member = result.scalar_one_or_none()
         else:
             # Try JWT decode
-            from tracker.api.auth import decode_jwt
+            from ..api.auth import decode_jwt
             try:
                 payload = decode_jwt(token)
                 member_id = payload["sub"]
diff --git a/src/tracker/ws/manager.py b/src/tracker/ws/manager.py
index 504fda7..902a70b 100644
--- a/src/tracker/ws/manager.py
+++ b/src/tracker/ws/manager.py
@@ -7,7 +7,7 @@ from datetime import datetime, timezone
 
 from fastapi import WebSocket
 
-from tracker.enums import AuthorType, ListenMode, MemberType, WSEventType
+from ..enums import AuthorType, ListenMode, MemberType, WSEventType
 
 logger = logging.getLogger("tracker.ws")