diff --git a/src/jira_hub/cli.py b/src/jira_hub/cli.py
index de3a4a1..67c10b4 100644
--- a/src/jira_hub/cli.py
+++ b/src/jira_hub/cli.py
@@ -1,87 +1 @@
-"""Команды jira-hub: init (настройки из config.example.json), serve (HTTP), import (CSV-пакет), mcp (stdio), tokens,
-agent publish (версия агента для самообновления)."""
-import argparse
-import json
-import sys
-
-from . import db, importer, paths, projects, settings
-
-
-def main(argv=None) -> int:
-    ap = argparse.ArgumentParser(prog="jira-hub", description="Мост Jira для АРМ КА: хаб")
-    sub = ap.add_subparsers(dest="cmd", required=True)
-    p = sub.add_parser("init", help="перенести настройки проекта из config.example.json, создать токены")
-    p.add_argument("--config", required=True)
-    p.add_argument("--force", action="store_true")
-    p = sub.add_parser("serve", help="запустить HTTP API")
-    p.add_argument("--host", default="0.0.0.0")
-    p.add_argument("--port", type=int)
-    p = sub.add_parser("import", help="импорт CSV-пакета admin/jira-sync в заметки")
-    p.add_argument("folder")
-    p = sub.add_parser("mcp", help="MCP-сервер по stdio")
-    p.add_argument("--project", help="метка проекта, к которому привязана сессия")
-    sub.add_parser("tokens", help="показать токены агента и клиента")
-    p = sub.add_parser("agent", help="версия агента для самообновления")
-    agent_sub = p.add_subparsers(dest="agent_cmd", required=True)
-    p = agent_sub.add_parser("publish", help="опубликовать agent.py (версия только вверх)")
-    p.add_argument("path")
-    args = ap.parse_args(argv)
-
-    if args.cmd == "agent":
-        from . import release
-        try:
-            m = release.publish(paths.release_dir(), args.path)
-        except release.PublishError as e:
-            print(e, file=sys.stderr)
-            return 1
-        print(f"опубликована v{m['version']}, sha256 {m['sha256'][:12]}…, {m['size']} байт")
-        return 0
-
-    if args.cmd == "serve":
-        from . import api
-        hub = api.Hub(paths.db_path())
-        conn = hub.conn()
-        port = args.port or int(settings.get(conn, "port") or 8790)
-        conn.close()
-        api.serve(hub, args.host, port)
-        return 0
-    if args.cmd == "mcp":
-        from . import mcp_server
-        mcp_server.run(args.project)
-        return 0
-
-    conn = db.connect(paths.db_path())
-    settings.ensure_defaults(conn)
-    try:
-        if args.cmd == "init":
-            with open(args.config, encoding="utf-8") as f:
-                cfg = json.load(f)
-            try:
-                keys = settings.init_from_config(conn, cfg, force=args.force)
-            except RuntimeError as e:
-                print(e, file=sys.stderr)
-                return 1
-            print("перенесено: " + ", ".join(keys))
-            if projects.ensure_legacy(conn, cfg.get("sprints", {}).get("board_id")):
-                board = projects.get(conn, projects.LEGACY_LABEL)["board_id"]
-                print(f"проект {projects.LEGACY_LABEL} «{projects.LEGACY_NAME}», доска {board}")
-            _print_tokens(conn)
-            return 0
-        if args.cmd == "import":
-            print(json.dumps(importer.import_package(conn, args.folder), ensure_ascii=False, indent=1))
-            return 0
-        if args.cmd == "tokens":
-            _print_tokens(conn)
-            return 0
-    finally:
-        conn.close()
-    return 2
-
-
-def _print_tokens(conn) -> None:
-    tok = settings.tokens(conn)
-    print(f"агентский токен: {tok['agent']}\nклиентский токен: {tok['client']}\nбаза: {paths.db_path()}")
-
-
-if __name__ == "__main__":
-    sys.exit(main())
+from .core.cli import main
diff --git a/src/jira_hub/core/__init__.py b/src/jira_hub/core/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/jira_hub/api.py b/src/jira_hub/core/api.py
similarity index 98%
rename from src/jira_hub/api.py
rename to src/jira_hub/core/api.py
index 3e5644f..3118b98 100644
--- a/src/jira_hub/api.py
+++ b/src/jira_hub/core/api.py
@@ -15,8 +15,9 @@ from pathlib import Path
 from typing import NamedTuple
 from urllib.parse import parse_qs, quote, unquote, urlparse
 
-from . import attachments, backup, db, files, history, mirror, projects, queue, relay, release, settings
-from .commands import CommandError
+from . import backup, db, files, projects, queue, relay, release, settings
+from ..modules.jira import attachments, history, mirror
+from ..modules.jira.commands import CommandError
 from .paths import backups_dir as default_backups_dir
 from .paths import secure_dir
 from .queue import ClaimedError
@@ -24,7 +25,7 @@ from .queue import ClaimedError
 log = logging.getLogger(__name__)
 
 MAX_BODY = 16 * 1024 * 1024     # предел тела запроса, байт
-WEB_APP = Path(__file__).parent / "web" / "app"   # сборка веб-приложения (make web, не в git); читается на каждый запрос
+WEB_APP = Path(__file__).resolve().parent.parent / "web" / "app"   # сборка веб-приложения (make web, не в git); читается на каждый запрос
 ASSET_TYPES = {".js": "text/javascript; charset=utf-8", ".css": "text/css; charset=utf-8", ".svg": "image/svg+xml",
                ".png": "image/png", ".ico": "image/x-icon", ".woff2": "font/woff2", ".map": "application/json"}
 ASSET_CACHE = {"Cache-Control": "public, max-age=31536000, immutable"}   # имена файлов сборки содержат хэш (R-3)
diff --git a/src/jira_hub/backup.py b/src/jira_hub/core/backup.py
similarity index 100%
rename from src/jira_hub/backup.py
rename to src/jira_hub/core/backup.py
diff --git a/src/jira_hub/core/cli.py b/src/jira_hub/core/cli.py
new file mode 100644
index 0000000..33a83d5
--- /dev/null
+++ b/src/jira_hub/core/cli.py
@@ -0,0 +1,88 @@
+"""Команды jira-hub: init (настройки из config.example.json), serve (HTTP), import (CSV-пакет), mcp (stdio), tokens,
+agent publish (версия агента для самообновления)."""
+import argparse
+import json
+import sys
+
+from . import db, paths, projects, settings
+from ..modules.jira import importer
+
+
+def main(argv=None) -> int:
+    ap = argparse.ArgumentParser(prog="jira-hub", description="Мост Jira для АРМ КА: хаб")
+    sub = ap.add_subparsers(dest="cmd", required=True)
+    p = sub.add_parser("init", help="перенести настройки проекта из config.example.json, создать токены")
+    p.add_argument("--config", required=True)
+    p.add_argument("--force", action="store_true")
+    p = sub.add_parser("serve", help="запустить HTTP API")
+    p.add_argument("--host", default="0.0.0.0")
+    p.add_argument("--port", type=int)
+    p = sub.add_parser("import", help="импорт CSV-пакета admin/jira-sync в заметки")
+    p.add_argument("folder")
+    p = sub.add_parser("mcp", help="MCP-сервер по stdio")
+    p.add_argument("--project", help="метка проекта, к которому привязана сессия")
+    sub.add_parser("tokens", help="показать токены агента и клиента")
+    p = sub.add_parser("agent", help="версия агента для самообновления")
+    agent_sub = p.add_subparsers(dest="agent_cmd", required=True)
+    p = agent_sub.add_parser("publish", help="опубликовать agent.py (версия только вверх)")
+    p.add_argument("path")
+    args = ap.parse_args(argv)
+
+    if args.cmd == "agent":
+        from . import release
+        try:
+            m = release.publish(paths.release_dir(), args.path)
+        except release.PublishError as e:
+            print(e, file=sys.stderr)
+            return 1
+        print(f"опубликована v{m['version']}, sha256 {m['sha256'][:12]}…, {m['size']} байт")
+        return 0
+
+    if args.cmd == "serve":
+        from . import api
+        hub = api.Hub(paths.db_path())
+        conn = hub.conn()
+        port = args.port or int(settings.get(conn, "port") or 8790)
+        conn.close()
+        api.serve(hub, args.host, port)
+        return 0
+    if args.cmd == "mcp":
+        from . import mcp_server
+        mcp_server.run(args.project)
+        return 0
+
+    conn = db.connect(paths.db_path())
+    settings.ensure_defaults(conn)
+    try:
+        if args.cmd == "init":
+            with open(args.config, encoding="utf-8") as f:
+                cfg = json.load(f)
+            try:
+                keys = settings.init_from_config(conn, cfg, force=args.force)
+            except RuntimeError as e:
+                print(e, file=sys.stderr)
+                return 1
+            print("перенесено: " + ", ".join(keys))
+            if projects.ensure_legacy(conn, cfg.get("sprints", {}).get("board_id")):
+                board = projects.get(conn, projects.LEGACY_LABEL)["board_id"]
+                print(f"проект {projects.LEGACY_LABEL} «{projects.LEGACY_NAME}», доска {board}")
+            _print_tokens(conn)
+            return 0
+        if args.cmd == "import":
+            print(json.dumps(importer.import_package(conn, args.folder), ensure_ascii=False, indent=1))
+            return 0
+        if args.cmd == "tokens":
+            _print_tokens(conn)
+            return 0
+    finally:
+        conn.close()
+    return 2
+
+
+def _print_tokens(conn) -> None:
+    tok = settings.tokens(conn)
+    print(f"агентский токен: {tok['agent']}\nклиентский токен: {tok['client']}\nбаза: {paths.db_path()}")
+
+
+if __name__ == "__main__":
+    sys.exit(main())
diff --git a/src/jira_hub/client.py b/src/jira_hub/core/client.py
similarity index 100%
rename from src/jira_hub/client.py
rename to src/jira_hub/core/client.py
diff --git a/src/jira_hub/db.py b/src/jira_hub/core/db.py
similarity index 100%
rename from src/jira_hub/db.py
rename to src/jira_hub/core/db.py
diff --git a/src/jira_hub/files.py b/src/jira_hub/core/files.py
similarity index 100%
rename from src/jira_hub/files.py
rename to src/jira_hub/core/files.py
diff --git a/src/jira_hub/mcp_server.py b/src/jira_hub/core/mcp_server.py
similarity index 99%
rename from src/jira_hub/mcp_server.py
rename to src/jira_hub/core/mcp_server.py
index de4b6aa..1a6093c 100644
--- a/src/jira_hub/mcp_server.py
+++ b/src/jira_hub/core/mcp_server.py
@@ -15,9 +15,9 @@ from pathlib import Path
 from mcp.server.fastmcp import FastMCP
 
 from . import paths
-from .attachments import fmt_size
+from ..modules.jira.attachments import fmt_size
 from .client import HubClient, HubError, HubUnavailable
-from .commands import describe, is_temp
+from ..modules.jira.commands import describe, is_temp
 from .files import MAX_SIZE
 
 OFFLINE = "хаб не запущен: jira-hub serve"
@@ -25,7 +25,7 @@ POLL_SECONDS = 5
 AUTHOR = "claude"
 BOTH_FILE_AND_PATH = "у ensure_attachment либо path, либо file"
 NOT_BOUND = "сессия не привязана к проекту: запустите MCP с --project <метка> (список — projects)"
-HUB_ROOT = Path(__file__).resolve().parents[2]      # корень репозитория хаба, из которого загружен пакет (решение 19)
+HUB_ROOT = Path(__file__).resolve().parents[3]      # корень репозитория хаба, из которого загружен пакет (решение 19)
 PROJECT: str | None = None                          # привязка сессии, задаётся run(project)
 mcp = FastMCP("jira-hub")
 
diff --git a/src/jira_hub/paths.py b/src/jira_hub/core/paths.py
similarity index 100%
rename from src/jira_hub/paths.py
rename to src/jira_hub/core/paths.py
diff --git a/src/jira_hub/projects.py b/src/jira_hub/core/projects.py
similarity index 100%
rename from src/jira_hub/projects.py
rename to src/jira_hub/core/projects.py
diff --git a/src/jira_hub/queue.py b/src/jira_hub/core/queue.py
similarity index 99%
rename from src/jira_hub/queue.py
rename to src/jira_hub/core/queue.py
index b6a4c5a..f160d3d 100644
--- a/src/jira_hub/queue.py
+++ b/src/jira_hub/core/queue.py
@@ -6,8 +6,9 @@ import logging
 from datetime import timedelta
 
 from . import backup as _backup  # noqa: F401  (имя модуля занято параметром backup в claim)
-from . import commands as C
-from . import attachments, db, files, history, mirror, projects, settings
+from ..modules.jira import commands as C
+from . import db, files, projects, settings
+from ..modules.jira import attachments, history, mirror
 
 log = logging.getLogger(__name__)
 
diff --git a/src/jira_hub/relay.py b/src/jira_hub/core/relay.py
similarity index 100%
rename from src/jira_hub/relay.py
rename to src/jira_hub/core/relay.py
diff --git a/src/jira_hub/release.py b/src/jira_hub/core/release.py
similarity index 100%
rename from src/jira_hub/release.py
rename to src/jira_hub/core/release.py
diff --git a/src/jira_hub/settings.py b/src/jira_hub/core/settings.py
similarity index 100%
rename from src/jira_hub/settings.py
rename to src/jira_hub/core/settings.py
diff --git a/src/jira_hub/modules/__init__.py b/src/jira_hub/modules/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/jira_hub/modules/jira/__init__.py b/src/jira_hub/modules/jira/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/jira_hub/attachments.py b/src/jira_hub/modules/jira/attachments.py
similarity index 99%
rename from src/jira_hub/attachments.py
rename to src/jira_hub/modules/jira/attachments.py
index a9cd322..633e8ee 100644
--- a/src/jira_hub/attachments.py
+++ b/src/jira_hub/modules/jira/attachments.py
@@ -3,7 +3,7 @@
 базу и хранилище файлов, очередь и HTTP не знает."""
 import re
 
-from . import files
+from ...core import files
 
 # lookahead: совпадения перекрываются, поэтому одиночный «!» ранее в тексте не съедает открывающий «!» настоящей ссылки;
 # после открывающего «!» пробела нет (как в Jira), иначе закрывающий «!» одной картинки породил бы ложное имя
diff --git a/src/jira_hub/commands.py b/src/jira_hub/modules/jira/commands.py
similarity index 100%
rename from src/jira_hub/commands.py
rename to src/jira_hub/modules/jira/commands.py
diff --git a/src/jira_hub/history.py b/src/jira_hub/modules/jira/history.py
similarity index 99%
rename from src/jira_hub/history.py
rename to src/jira_hub/modules/jira/history.py
index 0637b57..a67e5cf 100644
--- a/src/jira_hub/history.py
+++ b/src/jira_hub/modules/jira/history.py
@@ -2,7 +2,7 @@
 refresh. Пишет таблицу только приём журнала (POST /agent/history); API и MCP её только читают (spec data-model)."""
 from datetime import timedelta
 
-from . import db, projects, settings
+from ...core import db, projects, settings
 
 SINCE_MARGIN = timedelta(minutes=15)      # расхождение часов Mac mini и Jira и длительность прогона (design #5)
 
diff --git a/src/jira_hub/importer.py b/src/jira_hub/modules/jira/importer.py
similarity index 98%
rename from src/jira_hub/importer.py
rename to src/jira_hub/modules/jira/importer.py
index 7e99b50..a94bc07 100644
--- a/src/jira_hub/importer.py
+++ b/src/jira_hub/modules/jira/importer.py
@@ -4,7 +4,8 @@
 import csv
 from pathlib import Path
 
-from . import db, mirror, settings
+from . import mirror
+from ...core import db, settings
 
 
 def _rows(path: Path) -> list[dict]:
diff --git a/src/jira_hub/mirror.py b/src/jira_hub/modules/jira/mirror.py
similarity index 99%
rename from src/jira_hub/mirror.py
rename to src/jira_hub/modules/jira/mirror.py
index 2ebcafe..6184cfc 100644
--- a/src/jira_hub/mirror.py
+++ b/src/jira_hub/modules/jira/mirror.py
@@ -2,7 +2,8 @@
 Зеркало пишет только загрузка состояния от агента; заметки обновление зеркала не трогает."""
 import json
 
-from . import attachments, db, history
+from . import attachments, history
+from ...core import db
 
 ISSUE_COLUMNS = ["key", "id", "issue_type", "summary", "description", "status", "priority", "assignee", "reporter",
                  "duedate", "planned_start", "planned_end", "epic_key", "labels", "sprint", "created", "jira_updated"]
diff --git a/tests/conftest.py b/tests/conftest.py
index b0065ce..d937127 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -2,7 +2,7 @@
 ResourceWarning «unclosed database» (hub-hygiene-d, решение 14; M-9/O-4 #4)."""
 import pytest
 
-from jira_hub import db, projects
+from jira_hub.core import db, projects
 
 
 @pytest.fixture
diff --git a/tests/test_api.py b/tests/test_api.py
index 66e6497..009af3a 100644
--- a/tests/test_api.py
+++ b/tests/test_api.py
@@ -11,9 +11,9 @@ from datetime import timedelta
 
 import pytest
 
-from jira_hub import api, db, files, projects, queue, release, settings
-from jira_hub.client import HubClient, HubError
-from jira_hub.commands import CommandError
+from jira_hub.core import api, db, files, projects, queue, release, settings
+from jira_hub.core.client import HubClient, HubError
+from jira_hub.modules.jira.commands import CommandError
 
 
 @pytest.fixture
@@ -157,7 +157,7 @@ def test_backup_created_on_first_write(hub, tmp_path):
 
 
 def test_client_unavailable():
-    from jira_hub.client import HubUnavailable
+    from jira_hub.core.client import HubUnavailable
     with pytest.raises(HubUnavailable):
         HubClient("http://127.0.0.1:9", "t", timeout=1).get("/issues")
 
@@ -1040,7 +1040,7 @@ ATT_NAME = "скрин 1.png"
 def _seed_attachment(hub, mime="image/png", size=3, name=ATT_NAME):
     conn = hub["hub"].conn()
     try:
-        from jira_hub import mirror
+        from jira_hub.modules.jira import mirror
         mirror.apply_state(conn, [{"key": "A-1", "summary": "т", "labels": [], "attachments": [
             {"id": "31337", "filename": name, "size": size, "mime_type": mime, "created": "2026-10-20T10:00:00.000+0300"}]}], [])
     finally:
diff --git a/tests/test_attachments.py b/tests/test_attachments.py
index e1be1ed..a66812a 100644
--- a/tests/test_attachments.py
+++ b/tests/test_attachments.py
@@ -2,7 +2,8 @@ import json
 
 import pytest
 
-from jira_hub import attachments, db, files, mirror
+from jira_hub.core import db, files
+from jira_hub.modules.jira import attachments, mirror
 
 
 def test_fmt_size():
diff --git a/tests/test_baseline.py b/tests/test_baseline.py
index 6df8183..9313145 100644
--- a/tests/test_baseline.py
+++ b/tests/test_baseline.py
@@ -5,7 +5,7 @@ import json
 import os
 from pathlib import Path
 
-from jira_hub import api, db, mcp_server, settings
+from jira_hub.core import api, db, mcp_server, settings
 
 FIXTURES = Path(__file__).parent / "fixtures" / "baseline"
 
diff --git a/tests/test_cli.py b/tests/test_cli.py
index ec6e092..b2fe0ec 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -2,7 +2,7 @@ import json
 import os
 from pathlib import Path
 
-from jira_hub import cli, paths, projects, release, settings
+from jira_hub.core import cli, paths, projects, release, settings
 
 FIXTURE = Path(__file__).parent / "fixtures" / "config.example.json"
 
@@ -67,7 +67,7 @@ def test_agent_publish_write_failure(tmp_path, monkeypatch, capsys):
 
 
 def test_mcp_project_option(monkeypatch):
-    from jira_hub import mcp_server
+    from jira_hub.core import mcp_server
     seen = []
     monkeypatch.setattr(mcp_server, "run", lambda project=None: seen.append(project))
     assert cli.main(["mcp", "--project", "AWPCA"]) == 0
diff --git a/tests/test_commands.py b/tests/test_commands.py
index be46d17..f9d3b57 100644
--- a/tests/test_commands.py
+++ b/tests/test_commands.py
@@ -1,7 +1,7 @@
 import pytest
 
-from jira_hub import commands, mirror
-from jira_hub.commands import CommandError
+from jira_hub.modules.jira import commands, mirror
+from jira_hub.modules.jira.commands import CommandError
 
 NOW = "strftime('%Y-%m-%dT%H:%M:%S.000+0300', 'now')"
 
diff --git a/tests/test_db.py b/tests/test_db.py
index 904b4cf..95001f8 100644
--- a/tests/test_db.py
+++ b/tests/test_db.py
@@ -7,7 +7,7 @@ import threading
 
 import pytest
 
-from jira_hub import backup, db, paths, projects, queue, settings
+from jira_hub.core import backup, db, paths, projects, queue, settings
 
 
 def test_connect_creates_schema(open_db):
@@ -154,7 +154,7 @@ def test_data_dir_is_private(tmp_path):
 
 
 def test_existing_backups_dir_made_private_on_start(tmp_path):
-    from jira_hub import api
+    from jira_hub.core import api
     backups = tmp_path / "backups"
     backups.mkdir()
     backups.chmod(0o755)
diff --git a/tests/test_e2e_hub.py b/tests/test_e2e_hub.py
index 16db23d..a473180 100644
--- a/tests/test_e2e_hub.py
+++ b/tests/test_e2e_hub.py
@@ -2,8 +2,8 @@ import threading
 
 import pytest
 
-from jira_hub import api, settings
-from jira_hub.client import HubClient, HubError
+from jira_hub.core import api, settings
+from jira_hub.core.client import HubClient, HubError
 
 
 @pytest.fixture
diff --git a/tests/test_files.py b/tests/test_files.py
index c7c978d..bbdf65a 100644
--- a/tests/test_files.py
+++ b/tests/test_files.py
@@ -7,7 +7,7 @@ import time
 
 import pytest
 
-from jira_hub import db, files, settings
+from jira_hub.core import db, files, settings
 
 ABC = hashlib.sha256(b"abc").hexdigest()     # ba7816bf…
 DAY = 86400
diff --git a/tests/test_history.py b/tests/test_history.py
index 770dd32..5ab7e6b 100644
--- a/tests/test_history.py
+++ b/tests/test_history.py
@@ -1,6 +1,6 @@
 import pytest
 
-from jira_hub import history
+from jira_hub.modules.jira import history
 
 ITEM = {"history_id": "5001", "seq": 0, "key": "X", "created": "2026-10-22T09:00:00.000+0300", "author": "Петров Пётр",
         "field_id": "status", "field_name": "status", "from": "3", "from_string": "В работе", "to": "10001",
@@ -29,7 +29,7 @@ def test_record_keeps_first_version(conn):
 
 
 def test_record_uses_field_settings(conn):
-    from jira_hub import settings
+    from jira_hub.core import settings
     settings.set_(conn, "field_ids", {"planned_end": "customfield_10201"})
     history.record_changes(conn, [{**ITEM, "field_id": "customfield_10201", "field_name": "Плановое окончание"}])
     assert conn.execute("SELECT field FROM issue_change").fetchone()["field"] == "planned_end"
@@ -92,7 +92,7 @@ def test_feed_closed_in_two_hours(conn):                                # сце
 
 
 def test_feed_comment(conn):                                             # «Комментарий в ленте»
-    from jira_hub import mirror
+    from jira_hub.modules.jira import mirror
     mirror.apply_state(conn, [{"key": "X", "labels": ["AWPCA"], "comments": [
         {"id": "7", "author": "Иванов", "body": "Готово к проверке", "created": "2026-10-22T13:30:00.000+0300"}]}], [])
     got = history.feed(conn, "2026-10-22T10:00:00+00:00", "2026-10-22T12:00:00+00:00", history.DEFAULT_KINDS)
@@ -163,7 +163,7 @@ def test_parse_kinds_unknown():
 
 
 def test_issue_changes(conn):                                            # «Задача с историей»
-    from jira_hub import mirror
+    from jira_hub.modules.jira import mirror
     _issue(conn, "X", ["AWPCA"])
     _change(conn, "X", "1", "2026-10-21T11:00:00Z", "status", "a", "b")
     _change(conn, "X", "2", "2026-10-22T11:00:00Z", "description", "c", "d", field_id="description")
diff --git a/tests/test_importer.py b/tests/test_importer.py
index 00edce1..949919b 100644
--- a/tests/test_importer.py
+++ b/tests/test_importer.py
@@ -2,7 +2,8 @@ import csv
 
 import pytest
 
-from jira_hub import importer, mirror, settings
+from jira_hub.core import settings
+from jira_hub.modules.jira import importer, mirror
 
 
 @pytest.fixture
diff --git a/tests/test_layout.py b/tests/test_layout.py
new file mode 100644
index 0000000..2671470
--- /dev/null
+++ b/tests/test_layout.py
@@ -0,0 +1,23 @@
+"""Раскладка пакетов: чистый импорт и пути, зависящие от места файла."""
+import subprocess
+import sys
+from pathlib import Path
+
+import jira_hub
+
+
+def test_fresh_imports():
+    r = subprocess.run(
+        [sys.executable, "-c", "import jira_hub.core.api, jira_hub.core.mcp_server, jira_hub.cli"],
+        capture_output=True, text=True)
+    assert r.returncode == 0, r.stderr
+
+
+def test_web_app_path():
+    from jira_hub.core import api
+    assert api.WEB_APP == Path(jira_hub.__file__).parent / "web" / "app"
+
+
+def test_hub_root():
+    from jira_hub.core import mcp_server
+    assert (mcp_server.HUB_ROOT / "pyproject.toml").is_file()
diff --git a/tests/test_mcp.py b/tests/test_mcp.py
index 60fcb33..8dd0f61 100644
--- a/tests/test_mcp.py
+++ b/tests/test_mcp.py
@@ -9,8 +9,9 @@ from types import SimpleNamespace
 
 import pytest
 
-from jira_hub import api, commands, files, mcp_server, settings
-from jira_hub.client import HubClient
+from jira_hub.core import api, files, mcp_server, settings
+from jira_hub.modules.jira import commands
+from jira_hub.core.client import HubClient
 
 
 @pytest.fixture
@@ -811,7 +812,7 @@ def test_attachment_failed(downloads, monkeypatch):
 
 
 def test_attachment_413(downloads, monkeypatch):
-    from jira_hub.client import HubError
+    from jira_hub.core.client import HubError
     att = _att("5", "запись.mp4", 26214400)
     hub = FakeHub(_detail(key=ATT_KEY, attachments=[att]), fetch=HubError(413, "too_large", "большой"))
     _use(monkeypatch, hub)
@@ -820,7 +821,7 @@ def test_attachment_413(downloads, monkeypatch):
 
 
 def test_attachment_409_passes_hub_text(downloads, monkeypatch):
-    from jira_hub.client import HubError
+    from jira_hub.core.client import HubError
     hub = FakeHub(_detail(key=ATT_KEY, attachments=[_att("5", "a.png", 1)]),
                   fetch=HubError(409, "agent_too_old", "агент v9 не умеет скачивать вложения — нужен v14"))
     _use(monkeypatch, hub)
diff --git a/tests/test_mirror.py b/tests/test_mirror.py
index fa74ae0..fe33e17 100644
--- a/tests/test_mirror.py
+++ b/tests/test_mirror.py
@@ -1,6 +1,7 @@
 import pytest
 
-from jira_hub import db, mirror
+from jira_hub.core import db
+from jira_hub.modules.jira import mirror
 
 
 @pytest.fixture
diff --git a/tests/test_projects.py b/tests/test_projects.py
index 12ce18b..04f254c 100644
--- a/tests/test_projects.py
+++ b/tests/test_projects.py
@@ -1,6 +1,7 @@
 import pytest
 
-from jira_hub import mirror, projects, settings
+from jira_hub.core import projects, settings
+from jira_hub.modules.jira import mirror
 
 
 @pytest.fixture
diff --git a/tests/test_queue.py b/tests/test_queue.py
index 2d663dd..4249a37 100644
--- a/tests/test_queue.py
+++ b/tests/test_queue.py
@@ -2,9 +2,10 @@ import hashlib
 
 import pytest
 
-from jira_hub import attachments, db, files, mirror, projects, queue, settings
-from jira_hub.commands import CommandError
-from jira_hub.queue import ClaimedError
+from jira_hub.core import db, files, projects, queue, settings
+from jira_hub.modules.jira import attachments, mirror
+from jira_hub.modules.jira.commands import CommandError
+from jira_hub.core.queue import ClaimedError
 
 LT = {"связанные": "ASUPR_Связанные"}
 
@@ -207,7 +208,7 @@ def test_no_backup_for_refresh_batch(conn):
 
 
 def test_make_backup_rotates(tmp_path, open_db):
-    from jira_hub import backup
+    from jira_hub.core import backup
     conn = open_db(tmp_path / "hub.sqlite")
     for i in range(4):
         backup.make_backup(conn, tmp_path / "backups", f"b{i}", keep=2)
@@ -218,7 +219,7 @@ def test_make_backup_rotates(tmp_path, open_db):
 
 def test_rotation_keeps_schema_migration_copy(tmp_path, open_db):
     """Копия базы перед миграцией схемы не участвует в ротации копий пакетов (M-1 финального ревью)."""
-    from jira_hub import backup
+    from jira_hub.core import backup
     conn = open_db(tmp_path / "hub.sqlite")
     backup.make_backup(conn, tmp_path / "backups", "schema-v1", keep=0)
     for i in range(4):
diff --git a/tests/test_relay.py b/tests/test_relay.py
index 4469904..9f38241 100644
--- a/tests/test_relay.py
+++ b/tests/test_relay.py
@@ -8,8 +8,8 @@ from datetime import datetime, timedelta, timezone
 
 import pytest
 
-from jira_hub import api, relay, settings
-from jira_hub.client import HubClient
+from jira_hub.core import api, relay, settings
+from jira_hub.core.client import HubClient
 
 
 @pytest.fixture
diff --git a/tests/test_release.py b/tests/test_release.py
index 5b5345d..ab46731 100644
--- a/tests/test_release.py
+++ b/tests/test_release.py
@@ -6,7 +6,7 @@ from pathlib import Path
 
 import pytest
 
-from jira_hub import release
+from jira_hub.core import release
 
 
 def agent_file(tmp_path, version, body="print('x')\n", name="agent.py"):
diff --git a/tests/test_settings.py b/tests/test_settings.py
index eb6d757..0444ca1 100644
--- a/tests/test_settings.py
+++ b/tests/test_settings.py
@@ -3,8 +3,8 @@ from pathlib import Path
 
 import pytest
 
-from jira_hub import queue, settings
-from jira_hub.commands import CommandError
+from jira_hub.core import queue, settings
+from jira_hub.modules.jira.commands import CommandError
 
 FIXTURE = Path(__file__).parent / "fixtures" / "config.example.json"
 
diff --git a/tests/test_web_app.py b/tests/test_web_app.py
index bfa7007..c4db10b 100644
--- a/tests/test_web_app.py
+++ b/tests/test_web_app.py
@@ -5,7 +5,7 @@ from urllib.parse import urlparse
 
 import pytest
 
-from jira_hub import api
+from jira_hub.core import api
 
 
 def _get(base, path):
diff --git a/web/scripts/seed-hub.py b/web/scripts/seed-hub.py
index 0d66620..2be91f5 100644
--- a/web/scripts/seed-hub.py
+++ b/web/scripts/seed-hub.py
@@ -5,7 +5,8 @@ import json
 import sys
 from pathlib import Path
 
-from jira_hub import db, mirror, paths, settings
+from jira_hub.core import db, paths, settings
+from jira_hub.modules.jira import mirror
 
 snap = json.loads(Path(sys.argv[1]).read_text(encoding="utf-8"))
 extras_path = Path(__file__).with_name("seed-extras.json")