diff --git a/src/jira_hub/core/api.py b/src/jira_hub/core/api.py
index 3118b98..a0e51a5 100644
--- a/src/jira_hub/core/api.py
+++ b/src/jira_hub/core/api.py
@@ -17,7 +17,8 @@ from urllib.parse import parse_qs, quote, unquote, urlparse
 
 from . import backup, db, files, projects, queue, relay, release, settings
 from ..modules.jira import attachments, history, mirror
-from ..modules.jira.commands import CommandError
+from ..modules.jira import projects as jira_projects
+from .errors import CommandError
 from .paths import backups_dir as default_backups_dir
 from .paths import secure_dir
 from .queue import ClaimedError
@@ -268,7 +269,7 @@ def _time_param(q, name, default):
     raw = q.get(name)
     if raw in (None, ""):
         return default
-    value = db.jira_utc(raw) if _OFFSET.search(raw) else None    # без смещения — не угадываем пояс (M-2)
+    value = history.jira_utc(raw) if _OFFSET.search(raw) else None    # без смещения — не угадываем пояс (M-2)
     if value is None:
         raise ApiError(422, "bad_request", f"{name}: ожидается время ISO-8601 со смещением или Z")
     return value
@@ -294,7 +295,7 @@ def h_changes(hub, conn, m, q, body):
 
 
 def h_board(hub, conn, m, q, body):
-    return 200, mirror.board(conn, projects.base_jql(conn), _project_param(conn, q))
+    return 200, mirror.board(conn, jira_projects.base_jql(conn), _project_param(conn, q))
 
 
 def h_app(hub, conn, m, q, body):
@@ -472,7 +473,7 @@ def h_refresh(hub, conn, m, q, body):
     if body.get("jql") is not None and not isinstance(body["jql"], str):
         raise ApiError(422, "bad_refresh", "jql — строка")
     if body.get("full"):
-        jql = projects.base_jql(conn)
+        jql = jira_projects.base_jql(conn)
         if jql is None:
             raise ApiError(422, "bad_refresh", "нет проектов")
         params = {"jql": jql}
@@ -501,7 +502,7 @@ def h_sync_runs(hub, conn, m, q, body):
 
 
 def h_settings_get(hub, conn, m, q, body):
-    return 200, {**settings.get_all(conn), "base_jql": projects.base_jql(conn)}
+    return 200, {**settings.get_all(conn), "base_jql": jira_projects.base_jql(conn)}
 
 
 def h_settings_put(hub, conn, m, q, body):
@@ -519,7 +520,7 @@ def h_settings_put(hub, conn, m, q, body):
     with db.transaction(conn):
         for key, value in body.items():
             settings.set_(conn, key, value)
-    return 200, {**settings.get_all(conn), "base_jql": projects.base_jql(conn)}
+    return 200, {**settings.get_all(conn), "base_jql": jira_projects.base_jql(conn)}
 
 
 def h_projects_get(hub, conn, m, q, body):
@@ -538,7 +539,7 @@ def h_projects_post(hub, conn, m, q, body):
         with db.transaction(conn):
             project = projects.create(conn, body.get("label"), body.get("name"), body.get("board_id"))
             batch = queue.create_batch(conn, f"Новый проект {project['label']}", author,
-                                       [{"type": "refresh", "params": {"jql": projects.base_jql(conn)}}])
+                                       [{"type": "refresh", "params": {"jql": jira_projects.base_jql(conn)}}])
     except projects.ProjectExists as e:
         raise ApiError(409, "project_exists", str(e))
     except projects.ProjectError as e:
diff --git a/src/jira_hub/core/cli.py b/src/jira_hub/core/cli.py
index 33a83d5..9ef1c35 100644
--- a/src/jira_hub/core/cli.py
+++ b/src/jira_hub/core/cli.py
@@ -4,7 +4,7 @@ import argparse
 import json
 import sys
 
-from . import db, paths, projects, settings
+from . import db, paths, registry, settings
 from ..modules.jira import importer
 
 
@@ -57,15 +57,16 @@ def main(argv=None) -> int:
         if args.cmd == "init":
             with open(args.config, encoding="utf-8") as f:
                 cfg = json.load(f)
+            lines: list[str] = []
             try:
-                keys = settings.init_from_config(conn, cfg, force=args.force)
+                for m in registry.modules():
+                    if m.on_init:
+                        lines += m.on_init(conn, cfg, 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}")
+            for line in lines:
+                print(line)
             _print_tokens(conn)
             return 0
         if args.cmd == "import":
diff --git a/src/jira_hub/core/db.py b/src/jira_hub/core/db.py
index dcb089b..094c5ed 100644
--- a/src/jira_hub/core/db.py
+++ b/src/jira_hub/core/db.py
@@ -10,95 +10,11 @@ from . import backup, paths
 
 SCHEMA_VERSION = 6
 
-SCHEMA = """
+CORE_SCHEMA = """
 CREATE TABLE IF NOT EXISTS setting (
     key   TEXT PRIMARY KEY,
     value TEXT NOT NULL
 );
-CREATE TABLE IF NOT EXISTS issue (
-    key           TEXT PRIMARY KEY,
-    id            TEXT,
-    issue_type    TEXT,
-    summary       TEXT,
-    description   TEXT,
-    status        TEXT,
-    priority      TEXT,
-    assignee      TEXT,
-    reporter      TEXT,
-    duedate       TEXT,
-    planned_start TEXT,
-    planned_end   TEXT,
-    epic_key      TEXT,
-    labels        TEXT NOT NULL DEFAULT '[]',
-    sprint        TEXT,
-    created       TEXT,
-    jira_updated  TEXT,
-    fetched_at    TEXT NOT NULL,
-    neighbor      INTEGER NOT NULL DEFAULT 0
-);
-CREATE TABLE IF NOT EXISTS issue_link (
-    source_key TEXT NOT NULL,
-    target_key TEXT NOT NULL,
-    link_type  TEXT NOT NULL,
-    PRIMARY KEY (source_key, target_key, link_type)
-);
-CREATE INDEX IF NOT EXISTS ix_issue_link_target ON issue_link(target_key);
-CREATE TABLE IF NOT EXISTS issue_comment (
-    key        TEXT NOT NULL,
-    comment_id TEXT NOT NULL,
-    author     TEXT,
-    created    TEXT,
-    updated    TEXT,
-    body       TEXT NOT NULL DEFAULT '',
-    created_at TEXT,
-    PRIMARY KEY (key, comment_id)
-);
-CREATE TABLE IF NOT EXISTS issue_attachment (
-    attachment_id TEXT PRIMARY KEY,
-    key           TEXT NOT NULL,
-    filename      TEXT NOT NULL,
-    size          INTEGER,
-    mime_type     TEXT,
-    author        TEXT,
-    created       TEXT,
-    created_at    TEXT
-);
-CREATE INDEX IF NOT EXISTS issue_attachment_key ON issue_attachment(key);
-CREATE TABLE IF NOT EXISTS attachment_file (
-    attachment_id TEXT PRIMARY KEY,
-    file          TEXT NOT NULL,
-    size          INTEGER NOT NULL,
-    fetched_at    TEXT NOT NULL
-);
-CREATE TABLE IF NOT EXISTS issue_change (
-    history_id  TEXT NOT NULL,
-    seq         INTEGER NOT NULL,
-    key         TEXT NOT NULL,
-    at          TEXT,
-    created     TEXT NOT NULL,
-    author      TEXT,
-    field       TEXT NOT NULL,
-    field_id    TEXT,
-    field_name  TEXT NOT NULL,
-    from_value  TEXT,
-    from_string TEXT,
-    to_value    TEXT,
-    to_string   TEXT,
-    fetched_at  TEXT NOT NULL,
-    PRIMARY KEY (history_id, seq)
-);
-CREATE INDEX IF NOT EXISTS ix_issue_change_at ON issue_change(at);
-CREATE INDEX IF NOT EXISTS ix_issue_change_key ON issue_change(key, at);
-CREATE TABLE IF NOT EXISTS issue_note (
-    key         TEXT PRIMARY KEY,
-    fact_status TEXT,
-    work_kind   TEXT,
-    done_text   TEXT,
-    rest_text   TEXT,
-    owner_note  TEXT,
-    updated_at  TEXT,
-    updated_by  TEXT
-);
 CREATE TABLE IF NOT EXISTS batch (
     id               INTEGER PRIMARY KEY AUTOINCREMENT,
     title            TEXT NOT NULL,
@@ -126,19 +42,6 @@ CREATE TABLE IF NOT EXISTS command (
     depends_on    INTEGER REFERENCES command(id)
 );
 CREATE INDEX IF NOT EXISTS ix_command_status ON command(status, batch_id, seq);
-CREATE TABLE IF NOT EXISTS sync_run (
-    id           INTEGER PRIMARY KEY AUTOINCREMENT,
-    started_at   TEXT NOT NULL,
-    finished_at  TEXT,
-    kind         TEXT NOT NULL,
-    query        TEXT,
-    issues_count INTEGER NOT NULL DEFAULT 0,
-    links_count  INTEGER NOT NULL DEFAULT 0,
-    jira_calls   INTEGER NOT NULL DEFAULT 0,
-    rate_limited INTEGER NOT NULL DEFAULT 0,
-    command_id   INTEGER,
-    history_at   TEXT
-);
 CREATE TABLE IF NOT EXISTS project (
     label      TEXT PRIMARY KEY,
     name       TEXT NOT NULL,
@@ -157,33 +60,38 @@ CREATE TABLE IF NOT EXISTS agent_status (
 """
 
 def _migrate_projects(conn) -> None:
-    from . import projects   # внутри функции: projects импортирует db
+    from ..modules.jira import projects   # внутри шага: ядро не импортирует модули при импорте
     projects.migrate_v3(conn)
 
 
+def _fill_comment_utc(conn) -> None:
+    from ..modules.jira import history
+    history.fill_comment_utc(conn)
+
+
+def schema() -> str:
+    """Схема ядра и модулей: CREATE TABLE IF NOT EXISTS, порядок не важен."""
+    from . import registry   # внутри функции: реестр импортирует модули лениво
+    return CORE_SCHEMA + "".join(m.schema for m in registry.modules())
+
+
 def _add_column(table: str, column: str):
-    """Шаг миграции: добавить колонку, если её нет. Базы v1/v2 получают issue_comment из SCHEMA уже с новой колонкой."""
+    """Шаг миграции: добавить колонку, если её нет. Базы v1/v2 получают issue_comment из схемы уже с новой колонкой."""
     def step(conn) -> None:
         if column not in {r["name"] for r in conn.execute(f"PRAGMA table_info({table})")}:
             conn.execute(f"ALTER TABLE {table} ADD COLUMN {column} TEXT")
     return step
 
 
-def _fill_comment_utc(conn) -> None:
-    for r in conn.execute("SELECT key, comment_id, created FROM issue_comment").fetchall():
-        conn.execute("UPDATE issue_comment SET created_at = ? WHERE key = ? AND comment_id = ?",
-                     (jira_utc(r["created"]), r["key"], r["comment_id"]))
-
-
 # Шаги миграции: версия → SQL, переводящий схему в версию + 1 (design.md bridge-reliability, решение 5)
 MIGRATIONS = {
     1: ["ALTER TABLE command ADD COLUMN deliveries INTEGER NOT NULL DEFAULT 0",
         "UPDATE command SET deliveries = 1 WHERE status = 'claimed'"],   # уже выданные — одна выдача
-    2: [],   # v2 → v3: issue_comment создаётся SCHEMA (CREATE TABLE IF NOT EXISTS), данных переносить не нужно
+    2: [],   # v2 → v3: issue_comment создаётся схемой (CREATE TABLE IF NOT EXISTS), данных переносить не нужно
     3: ["ALTER TABLE batch ADD COLUMN project TEXT", _migrate_projects],   # v3 → v4: проекты-метки
     4: [_add_column("issue_comment", "created_at"), _add_column("sync_run", "history_at"),   # v4 → v5: журнал изменений
         _fill_comment_utc],
-    5: [],   # v5 → v6: issue_attachment и attachment_file создаются SCHEMA (CREATE TABLE IF NOT EXISTS), данных переносить не нужно
+    5: [],   # v5 → v6: issue_attachment и attachment_file создаются схемой (CREATE TABLE IF NOT EXISTS), данных переносить не нужно
 }
 
 
@@ -218,7 +126,7 @@ def migrate(conn: sqlite3.Connection, path=None) -> None:
     connect дождётся её, перечитает версию и не станет ни копировать, ни мигрировать повторно (M-2 #12). Копию делает
     отдельное соединение: VACUUM INTO внутри транзакции SQLite запрещает, а читатель при WAL видит базу до миграции.
     Вызывается только вне транзакции."""
-    conn.executescript(SCHEMA)
+    conn.executescript(schema())
     version = _schema_version(conn)
     if version is None:
         conn.execute("INSERT OR IGNORE INTO setting(key, value) VALUES ('schema_version', ?)", (json.dumps(SCHEMA_VERSION),))
@@ -272,22 +180,6 @@ def transaction(conn: sqlite3.Connection):
         conn.execute("COMMIT")
 
 
-def jira_utc(value) -> str | None:
-    """Время Jira (`2026-10-22T13:05:11.000+0300`, `+03:00`, `Z`, с дробной частью или без) → ISO-8601 UTC в формате
-    now(); без смещения — UTC; неразбираемое — None."""
-    if not isinstance(value, str) or not value:
-        return None
-    s = value[:-1] + "+00:00" if value.endswith("Z") else value
-    if len(s) > 5 and s[-5] in "+-" and s[-4:].isdigit():          # ±HHMM → ±HH:MM
-        s = s[:-2] + ":" + s[-2:]
-    try:
-        d = datetime.fromisoformat(s)
-        d = d if d.tzinfo else d.replace(tzinfo=timezone.utc)
-        return d.astimezone(timezone.utc).replace(microsecond=0).isoformat()
-    except (ValueError, OverflowError):                   # время за краем диапазона datetime — тоже «не разобралось»
-        return None
-
-
 def utcnow() -> datetime:
     return datetime.now(timezone.utc).replace(microsecond=0)
 
diff --git a/src/jira_hub/core/errors.py b/src/jira_hub/core/errors.py
new file mode 100644
index 0000000..b771270
--- /dev/null
+++ b/src/jira_hub/core/errors.py
@@ -0,0 +1,11 @@
+"""Ошибки, общие для ядра и модулей."""
+
+
+class CommandError(ValueError):
+    """Ошибка валидации пакета команд — наружу уходит как 422."""
+
+
+class HttpMapped(Exception):
+    """Примесь: исключение модуля, которому соответствует свой код HTTP."""
+    status: int = 500
+    error: str = "internal"
diff --git a/src/jira_hub/core/modules.py b/src/jira_hub/core/modules.py
new file mode 100644
index 0000000..fe824cb
--- /dev/null
+++ b/src/jira_hub/core/modules.py
@@ -0,0 +1,51 @@
+"""Контракт модуля хаба: что модуль отдаёт ядру. Ядро знает только эти структуры; поля, не нужные модулю,
+остаются по умолчанию."""
+from collections.abc import Callable
+from dataclasses import dataclass, field
+from pathlib import Path
+from sqlite3 import Connection
+from typing import Any
+
+Route = tuple[str, str, Callable, str | None]          # method, regex, handler(hub, conn, m, q, body), scope
+
+
+@dataclass(frozen=True)
+class CommandHooks:
+    types: frozenset[str]
+    read_types: frozenset[str]                          # не пишут во внешнюю систему: без хвоста и копии базы
+    validate: Callable[[list], list[dict]]              # CommandError
+    check_batch: Callable[[Connection, list[dict], str | None, Path | None], list[dict]]  # project, files_dir
+    tail: Callable[[list[dict]], dict | None]           # хвостовая команда пишущего пакета
+    pause: Callable[[Connection, str], int]             # пауза типа, с
+    deliver_params: Callable[[Connection, dict, Path | None], dict]
+    temp_definer: tuple[str, str, str] | None           # (тип, поле params с временным ключом, поле result с ключом)
+    temp_keys_used: Callable[[dict], list[str]]
+    substitute: Callable[[str, dict, dict], dict]
+    drop_unresolved: Callable[[dict, list[str]], list[str]]   # поправить params команды, вернуть неразрешённые
+    retry_params: Callable[[dict], dict]
+    check_confirmed: Callable[[Connection, dict], tuple[bool, dict | None]]
+    on_claim: Callable[[Connection, dict, str, bool], None]       # cmd, now, redelivery
+    on_failed: Callable[[Connection, dict, str], None]            # исчерпаны выдачи
+    check_result: Callable[[Connection, dict, str, dict | None, Path | None], tuple[str, str | None]]
+    on_result: Callable[[Connection, dict, str, dict | None, int, int, str, Path | None], None]  # в транзакции
+    after_result: Callable[[Connection, dict, str], None]         # вне транзакции
+    on_late_result: Callable[[Connection, dict, str, dict | None, int, int], bool]
+
+
+@dataclass(frozen=True)
+class Module:
+    name: str
+    schema: str = ""
+    settings_defaults: dict = field(default_factory=dict)
+    agent_keys: tuple[str, ...] = ()
+    validate_setting: Callable[[str, object], bool] | None = None   # True — ключ модуля проверен (ValueError — плохо)
+    settings_view: Callable[[Connection], dict] | None = None       # вычисляемые поля GET/PUT /settings
+    on_init: Callable[[Connection, dict, bool], list[str]] | None = None   # init --config: строки для вывода
+    commands: CommandHooks | None = None
+    routes: tuple[Route, ...] = ()
+    tick: tuple[Callable[[Any, Connection], None], ...] = ()        # (hub, conn)
+    file_refs: Callable[[Connection], set[str]] | None = None       # sha файлов, нужных командам
+    on_project_created: Callable[[Connection, dict, str], dict | None] | None = None   # project, author → пакет
+    mcp_server: Callable[[], Any] | None = None                     # FastMCP модуля
+    cli_register: Callable[[Any], None] | None = None               # subparsers
+    cli_run: Callable[[Any], int | None] | None = None              # None — не своя подкоманда
diff --git a/src/jira_hub/core/projects.py b/src/jira_hub/core/projects.py
index 7e0d4bb..07562e3 100644
--- a/src/jira_hub/core/projects.py
+++ b/src/jira_hub/core/projects.py
@@ -1,18 +1,11 @@
-"""Проекты-метки моста: таблица project, проверка метки, базовая JQL из меток, доски, миграция v3 → v4."""
-import logging
-import re
+"""Проекты-метки: таблица project, проверка метки, создание и список."""
 import unicodedata
 
-from . import db, settings
+from . import db
 
-log = logging.getLogger(__name__)
-
-LEGACY_LABEL = "AWPCA"
-LEGACY_NAME = "АРМ КА"
 MAX_LEN = 100
-BOARD_TYPES = ("scrum", "kanban")
 _FORBIDDEN = ',"\'()\\'
-_FIELDS = "label, name, board_id, board_type, created_at"
+_FIELDS = "label, name, board_id, board_type, created_at"   # долг hub-modules: проекты → модуль jira (change wiki)
 
 
 class ProjectError(ValueError):
@@ -47,6 +40,7 @@ def validate(label, name, board_id) -> tuple[str, str, int | None]:
         raise ProjectError("name", "ожидается непустая строка")
     if len(name.strip()) > MAX_LEN:
         raise ProjectError("name", f"длиннее {MAX_LEN} символов")
+    # долг hub-modules: проекты → модуль jira (change wiki)
     if board_id is not None and (not isinstance(board_id, int) or isinstance(board_id, bool) or board_id <= 0):
         raise ProjectError("board_id", "ожидается целое > 0 или null")
     return label, name.strip(), board_id
@@ -62,12 +56,14 @@ def create(conn, label: str, name: str, board_id: int | None = None) -> dict:
     with db.transaction(conn):
         if label.casefold() in {x.casefold() for x in labels(conn)}:
             raise ProjectExists(label)
+        # долг hub-modules: проекты → модуль jira (change wiki)
         conn.execute("INSERT INTO project(label, name, board_id, board_type, created_at) VALUES (?, ?, ?, NULL, ?)",
                      (label, name, board_id, db.now()))
     return get(conn, label)
 
 
 def list_projects(conn) -> list[dict]:
+    # долг hub-modules: проекты → модуль jira (change wiki)
     rows = conn.execute(
         f"SELECT {_FIELDS}, (SELECT COUNT(*) FROM issue i WHERE EXISTS "
         "(SELECT 1 FROM json_each(i.labels) WHERE value = project.label)) AS issues_count "
@@ -77,96 +73,9 @@ def list_projects(conn) -> list[dict]:
 
 def light_list(conn) -> list[dict]:
     """Проекты без issues_count (label, board_id, board_type), порядок как у list_projects."""
+    # долг hub-modules: проекты → модуль jira (change wiki)
     return [dict(r) for r in conn.execute("SELECT label, board_id, board_type FROM project ORDER BY created_at, label")]
 
 
 def labels(conn) -> list[str]:
     return [r["label"] for r in conn.execute("SELECT label FROM project ORDER BY created_at, label")]
-
-
-def base_jql(conn) -> str | None:
-    """Общая JQL обновления: все метки проектов; без проектов — None."""
-    found = labels(conn)
-    if not found:
-        return None
-    key = settings.get(conn, "project_key") or "AURORA"
-    return f"project = {key} AND labels in ({', '.join(f'"{x}"' for x in found)})"
-
-
-def boards(conn) -> list[dict]:
-    """Доски проектов без повторов (порядок первого проекта). type — None, если тип неизвестен хотя бы у одного
-    проекта доски (агент тогда запросит его, record_board_types проставит всем); иначе первый известный."""
-    out: dict[int, str | None] = {}
-    unknown: set[int] = set()
-    for r in conn.execute("SELECT board_id, board_type FROM project WHERE board_id IS NOT NULL ORDER BY created_at, label"):
-        out.setdefault(r["board_id"], r["board_type"])
-        if r["board_type"] is None:
-            unknown.add(r["board_id"])
-    return [{"id": i, "type": None if i in unknown else t} for i, t in out.items()]
-
-
-def record_board_types(conn, found) -> int:
-    """Записать типы досок {"<id>": "scrum" | "kanban"} всем проектам с этой доской; прочее пропустить."""
-    if not isinstance(found, dict):
-        return 0
-    updated = 0
-    for raw, kind in found.items():
-        if kind not in BOARD_TYPES:
-            continue
-        try:
-            board = int(raw)
-        except (TypeError, ValueError):
-            continue
-        updated += conn.execute("UPDATE project SET board_type = ? WHERE board_id = ?", (kind, board)).rowcount
-    return updated
-
-
-_LEGACY = re.compile(r"\blabels\s*(?:=\s*(?P<one>\S+)|in\s*\((?P<many>[^()]*)\))\s*$", re.IGNORECASE)
-
-
-def parse_legacy_labels(jql) -> list[str] | None:
-    """Метки из прежней base_jql (`labels = X` / `labels in (X, Y)` в конце); не разобрана — None."""
-    m = _LEGACY.search(jql) if isinstance(jql, str) else None
-    if not m:
-        return None
-    out: list[str] = []
-    for raw in ([m["one"]] if m["one"] is not None else m["many"].split(",")):
-        label = raw.strip().strip('"')
-        if _label_error(label):
-            return None
-        if label.casefold() not in {x.casefold() for x in out}:
-            out.append(label)
-    return out or None
-
-
-def ensure_legacy(conn, board_id: int | None) -> bool:
-    """Завести AWPCA «АРМ КА» с доской, если проекта с меткой awpca (без учёта регистра) нет; True — заведён.
-    Неверная доска из конфига — проект без доски."""
-    if LEGACY_LABEL.casefold() in {x.casefold() for x in labels(conn)}:
-        return False
-    try:
-        validate(LEGACY_LABEL, LEGACY_NAME, board_id)
-    except ProjectError:
-        board_id = None
-    create(conn, LEGACY_LABEL, LEGACY_NAME, board_id)
-    return True
-
-
-def migrate_v3(conn) -> None:
-    """Миграция v3 → v4: проекты из прежней base_jql, доска — единственному проекту, очередь и журнал — на новую JQL."""
-    old = settings.get(conn, "base_jql")
-    found = parse_legacy_labels(old)
-    if found is None:
-        log.warning("миграция v4: base_jql не разобрана (%r) — проектов нет, заведите их POST /projects", old)
-        return
-    board = settings.get(conn, "board_id")
-    board = board if isinstance(board, int) and not isinstance(board, bool) and board > 0 else None
-    if board is not None and len(found) > 1:
-        log.warning("миграция v4: доска %s не отдана ни одному проекту — меток несколько: %s", board, ", ".join(found))
-        board = None
-    for label in found:
-        create(conn, label, LEGACY_NAME if label == LEGACY_LABEL else label, board)
-    new = base_jql(conn)
-    conn.execute("UPDATE sync_run SET query = ? WHERE query = ?", (new, old))
-    conn.execute("UPDATE command SET params = json_set(params, '$.jql', ?) WHERE type = 'refresh' "
-                 "AND status IN ('queued', 'claimed') AND json_extract(params, '$.jql') = ?", (new, old))
diff --git a/src/jira_hub/core/queue.py b/src/jira_hub/core/queue.py
index f160d3d..09a939f 100644
--- a/src/jira_hub/core/queue.py
+++ b/src/jira_hub/core/queue.py
@@ -9,6 +9,8 @@ from . import backup as _backup  # noqa: F401  (имя модуля занято
 from ..modules.jira import commands as C
 from . import db, files, projects, settings
 from ..modules.jira import attachments, history, mirror
+from ..modules.jira import projects as jira_projects
+from ..modules.jira import settings as jira_settings   # временно: R-1, до Task 4
 
 log = logging.getLogger(__name__)
 
@@ -179,7 +181,7 @@ def create_batch(conn, title, author, cmds, files_dir=None, project=None) -> dic
 
 def _insert_batch(conn, title, author, cmds, project=None) -> dict:
     """Вставка пакета без проверок и хвоста; транзакция своя (вложенная идёт через SAVEPOINT)."""
-    est = C.estimate([c["type"] for c in cmds], settings.pacing(conn))
+    est = C.estimate([c["type"] for c in cmds], jira_settings.pacing(conn))
     with db.transaction(conn):
         cur = conn.execute("INSERT INTO batch(title, author, created_at, estimate_seconds, project) VALUES (?, ?, ?, ?, ?)",
                            (title, author or "api", db.now(), est, project))
@@ -231,7 +233,7 @@ def batch_view(conn, batch_id, with_commands=True) -> dict | None:
     if b is None:
         return None
     cmds = [_cmd(r) for r in conn.execute("SELECT * FROM command WHERE batch_id = ? ORDER BY seq", (batch_id,))]
-    pacing = settings.pacing(conn)
+    pacing = jira_settings.pacing(conn)
     d = dict(b)
     d["status"] = _status_of(cmds, b["cancelled_at"])
     d["counts"] = {s: sum(1 for c in cmds if c["status"] == s) for s in sorted({c["status"] for c in cmds})}
@@ -315,7 +317,7 @@ def deliver_params(conn, cmd, files_dir) -> dict:
     если файла уже нет (решение 5); refresh — boards, доски проектов (design #7), и history — отметка журнала
     (change-history). В базе params остаются без них: повтор команды проходит проверку как новая."""
     if cmd["type"] == "refresh":
-        out = {**cmd["params"], "boards": projects.boards(conn)}
+        out = {**cmd["params"], "boards": jira_projects.boards(conn)}
         hist = history.delivery_param(conn, cmd["params"])     # отметка журнала (change-history, design #5)
         if hist is not None:
             out["history"] = hist
@@ -335,7 +337,7 @@ def claim(conn, agent_version=None, settings_version=None, last_jira_call_at=Non
                      (now, None if agent_version is None else str(agent_version), settings_version, last_jira_call_at))
         cmd = _redeliver(conn, now)
         if cmd is not None:
-            pause = int(settings.pacing(conn).get(cmd["type"], 0))
+            pause = int(jira_settings.pacing(conn).get(cmd["type"], 0))
             conn.execute("UPDATE command SET claimed_at = ?, pause_seconds = ?, deliveries = deliveries + 1 WHERE id = ?",
                          (now, pause, cmd["id"]))
             if cmd["type"] == "refresh":
@@ -349,7 +351,7 @@ def claim(conn, agent_version=None, settings_version=None, last_jira_call_at=Non
             if cmd is None:
                 conn.execute("UPDATE agent_status SET current_command_id = NULL WHERE id = 1")
                 return None
-            pause = int(settings.pacing(conn).get(cmd["type"], 0))
+            pause = int(jira_settings.pacing(conn).get(cmd["type"], 0))
             first = conn.execute("SELECT COUNT(*) AS n FROM command WHERE batch_id = ? AND status != 'queued'",
                                  (cmd["batch_id"],)).fetchone()["n"] == 0
             has_writes = conn.execute("SELECT 1 FROM command WHERE batch_id = ? AND type NOT IN ('refresh', 'fetch_attachment') LIMIT 1",
@@ -379,7 +381,7 @@ def is_full_refresh(conn, command_id) -> bool:
     if not command_id:
         return False
     cmd = get_command(conn, command_id)
-    base = projects.base_jql(conn)
+    base = jira_projects.base_jql(conn)
     return bool(base and cmd and cmd["type"] == "refresh" and cmd["params"].get("jql") == base)
 
 
@@ -433,7 +435,7 @@ def report_result(conn, command_id, status, result=None, error=None, jira_calls=
             conn.execute("UPDATE sync_run SET finished_at = ?, jira_calls = ?, rate_limited = ? WHERE command_id = ?",
                          (now, int(jira_calls or 0), int(rate_limited or 0), command_id))
             if isinstance(result, dict) and "boards" in result:
-                projects.record_board_types(conn, result["boards"])    # в любом статусе; без ключа (агент v11) типы не трогаем
+                jira_projects.record_board_types(conn, result["boards"])    # в любом статусе; без ключа (агент v11) типы не трогаем
             if status == "done" and is_full_refresh(conn, command_id) and history.accepted(result):
                 conn.execute("UPDATE sync_run SET history_at = ? WHERE command_id = ?", (now, command_id))
             if status == "done" and is_full_refresh(conn, command_id):
@@ -524,7 +526,7 @@ def agent_view(conn) -> dict:
 
 
 def maybe_auto_refresh(conn) -> dict | None:
-    jql = projects.base_jql(conn)
+    jql = jira_projects.base_jql(conn)
     if jql is None:
         return None
     minutes = int(settings.get(conn, "auto_refresh_minutes") or 0)
diff --git a/src/jira_hub/core/registry.py b/src/jira_hub/core/registry.py
new file mode 100644
index 0000000..302f1a8
--- /dev/null
+++ b/src/jira_hub/core/registry.py
@@ -0,0 +1,45 @@
+"""Реестр модулей хаба. Список собирается лениво: ядро не импортирует модули при импорте."""
+from .modules import Module
+
+_cache: list[Module] | None = None
+
+
+def modules() -> list[Module]:
+    global _cache
+    if _cache is None:
+        from ..modules import jira   # внутри функции: ядро не зависит от модулей при импорте
+        from . import settings
+        mods = [jira.MODULE]
+        # маршруты ядра сюда попадут в Task 5, когда api перестанет быть владельцем всех маршрутов
+        check(mods, [], settings.CORE_DEFAULTS)
+        _cache = mods
+    return _cache
+
+
+def module(name: str) -> Module | None:
+    return next((m for m in modules() if m.name == name), None)
+
+
+def module_of(ctype: str) -> Module | None:
+    """Модуль, владеющий типом команды."""
+    return next((m for m in modules() if m.commands and ctype in m.commands.types), None)
+
+
+def check(mods: list[Module], core_routes, core_settings: dict) -> None:
+    """Проверить, что модули не делят тип команды, ключ настроек и маршрут между собой и с ядром."""
+    types: dict[str, str] = {}
+    keys: dict[str, str] = {key: "ядро" for key in core_settings}
+    routes: dict[tuple[str, str], str] = {(r[0], r[1]): "ядро" for r in core_routes}
+    for m in mods:
+        for ctype in sorted(m.commands.types) if m.commands else ():
+            if ctype in types:
+                raise RuntimeError(f"тип {ctype}: модули {types[ctype]} и {m.name}")
+            types[ctype] = m.name
+        for key in m.settings_defaults:
+            if key in keys:
+                raise RuntimeError(f"ключ настроек {key}: {keys[key]} и модуль {m.name}")
+            keys[key] = m.name
+        for r in m.routes:
+            if (r[0], r[1]) in routes:
+                raise RuntimeError(f"маршрут {r[0]} {r[1]}: {routes[(r[0], r[1])]} и модуль {m.name}")
+            routes[(r[0], r[1])] = m.name
diff --git a/src/jira_hub/core/settings.py b/src/jira_hub/core/settings.py
index 5cca068..806c3fa 100644
--- a/src/jira_hub/core/settings.py
+++ b/src/jira_hub/core/settings.py
@@ -1,41 +1,22 @@
 """Настройки хаба: пары ключ → JSON в таблице setting. Любая правка поднимает settings_version,
-агент перечитывает настройки, когда видит новую версию в ответе claim."""
+агент перечитывает настройки, когда видит новую версию в ответе claim. Ключи модулей приходят из реестра."""
 import json
 import os
 import secrets
 
-DEFAULT_PACING = {"ensure_issue": 120, "ensure_fields": 120, "ensure_comment": 30, "ensure_status": 30,
-                  "ensure_link": 30, "ensure_sprint": 30, "ensure_attachment": 30, "fetch_attachment": 2, "refresh": 2}
+from . import registry
 
-DEFAULTS = {
-    "project_key": "AURORA",
-    "pacing": DEFAULT_PACING,
+CORE_DEFAULTS = {
     "backup_keep": 30,
-    "auto_refresh_minutes": 60,
     "min_agent_version": 1,
     "port": 8790,
     "settings_version": 1,
     "initialized": False,
-    "issue_types": {},
-    "epic_name_field_id": None,
-    "field_ids": {},
-    "epic_link": {},
-    "priority_map": {},
-    "priority_value_key": "name",
-    "labels": [],
-    "status_labels": {},
-    "kind_labels": {},
-    "comment_marker": "",
-    "transitions_map": {},
-    "link_types": {},
     "relay_dir": None,
-    "closed_statuses": ["Готово", "Снято"],   # статусы Jira закрытых задач: список и доска приложения (hide-closed)
 }
 
-# Что получает агент (без токенов и служебных ключей хаба)
-AGENT_KEYS = ["project_key", "issue_types", "epic_name_field_id", "field_ids", "epic_link",
-              "priority_map", "priority_value_key", "labels", "status_labels", "kind_labels", "comment_marker",
-              "transitions_map", "link_types", "board_id", "pacing", "min_agent_version", "settings_version"]
+# Ключи ядра в ответе агенту: идут после ключей модулей
+CORE_AGENT_KEYS = ["min_agent_version", "settings_version"]
 
 PROTECTED = {"settings_version", "schema_version", "tokens"}
 
@@ -44,32 +25,33 @@ def _is_int(v) -> bool:
     return isinstance(v, int) and not isinstance(v, bool)
 
 
+def defaults() -> dict:
+    """Умолчания ядра и всех модулей."""
+    out = dict(CORE_DEFAULTS)
+    for m in registry.modules():
+        out.update(m.settings_defaults)
+    return out
+
+
+def agent_keys() -> list[str]:
+    """Ключи настроек для агента: сначала модулей, затем ядра."""
+    out: list[str] = []
+    for m in registry.modules():
+        out += m.agent_keys
+    return out + CORE_AGENT_KEYS
+
+
 def validate(key, value) -> None:
     """Проверить значение настройки до записи; ValueError — на 422 в API.
-    base_jql и board_id не пишутся: JQL собирается из проектов, доска — свойство проекта;
-    pacing — объект {тип команды: целое >= 0} только с известными типами команд;
-    backup_keep, auto_refresh_minutes, min_agent_version — целые >= 0; port — целое 1..65535;
-    relay_dir — null или абсолютный путь строкой;
-    остальные ключи — по типу значения по умолчанию (объект, список, строка, флаг), если оно не None;
+    Сначала ключи ядра: backup_keep, min_agent_version — целые >= 0; port — целое 1..65535;
+    relay_dir — null или абсолютный путь строкой. Затем validate_setting модулей (их ключи).
+    Остальные ключи — по типу значения по умолчанию (объект, список, строка, флаг), если оно не None;
     неизвестные ключи и ключи с умолчанием None принимаются как есть."""
-    if key == "base_jql":
-        raise ValueError("базовая JQL собирается из проектов (GET /projects)")
-    if key == "board_id":
-        raise ValueError("доска Jira — свойство проекта (POST /projects)")
-    if key == "pacing":
-        if not isinstance(value, dict):
-            raise ValueError("pacing — объект {тип команды: пауза в секундах}")
-        for ctype, pause in value.items():
-            if ctype not in DEFAULT_PACING:
-                raise ValueError(f"pacing: неизвестный тип команды «{ctype}»")
-            if not _is_int(pause) or pause < 0:
-                raise ValueError(f"pacing.{ctype}: ожидается целое >= 0")
-        return
     if key == "port":
         if not _is_int(value) or not 1 <= value <= 65535:
             raise ValueError("port — целое 1..65535")
         return
-    if key in ("backup_keep", "auto_refresh_minutes", "min_agent_version"):
+    if key in ("backup_keep", "min_agent_version"):
         if not _is_int(value) or value < 0:
             raise ValueError(f"{key} — целое >= 0")
         return
@@ -77,14 +59,17 @@ def validate(key, value) -> None:
         if value is not None and (not isinstance(value, str) or not os.path.isabs(value)):
             raise ValueError("relay_dir — абсолютный путь папки реле или null")
         return
-    default = DEFAULTS.get(key)
+    for m in registry.modules():
+        if m.validate_setting and m.validate_setting(key, value):
+            return
+    default = defaults().get(key)
     if default is not None and type(value) is not type(default):
         names = {dict: "объект", list: "список", str: "строка", bool: "true/false", int: "целое"}
         raise ValueError(f"{key} — {names.get(type(default), type(default).__name__)}")
 
 
 def ensure_defaults(conn) -> None:
-    for key, value in DEFAULTS.items():
+    for key, value in defaults().items():
         conn.execute("INSERT OR IGNORE INTO setting(key, value) VALUES (?, ?)", (key, _dump(value)))
     if get(conn, "tokens") is None:
         conn.execute("INSERT INTO setting(key, value) VALUES ('tokens', ?)",
@@ -121,56 +106,8 @@ def set_(conn, key, value, bump=True) -> int:
 
 
 def for_agent(conn) -> dict:
-    return {key: get(conn, key) for key in AGENT_KEYS}
+    return {key: get(conn, key) for key in agent_keys()}
 
 
 def tokens(conn) -> dict:
     return get(conn, "tokens")
-
-
-def pacing(conn) -> dict:
-    return {**DEFAULT_PACING, **(get(conn, "pacing") or {})}
-
-
-def pacing_from_config(p: dict) -> dict:
-    """Старая форма pacing (issue_seconds / comment_seconds) → паузы по типам команд."""
-    issue, comment = p.get("issue_seconds", 120), p.get("comment_seconds", 30)
-    return {"ensure_issue": issue, "ensure_fields": issue, "ensure_comment": comment, "ensure_status": comment,
-            "ensure_link": comment, "ensure_sprint": comment, "ensure_attachment": comment, "fetch_attachment": 2, "refresh": 2}
-
-
-def _issue_types(cfg: dict) -> dict:
-    """issue_types из ключей конфига issue_type_<тип>[_id]: task и epic — всегда, bug — только если в конфиге есть
-    issue_type_bug или issue_type_bug_id (bug-and-attachments, data-model «Настройки»)."""
-    out = {t: {"name": cfg.get(f"issue_type_{t}"), "id": cfg.get(f"issue_type_{t}_id")} for t in ("task", "epic")}
-    if "issue_type_bug" in cfg or "issue_type_bug_id" in cfg:
-        out["bug"] = {"name": cfg.get("issue_type_bug"), "id": cfg.get("issue_type_bug_id")}
-    return out
-
-
-def init_from_config(conn, cfg: dict, force=False) -> list[str]:
-    """Перенести из config.example.json всё, что относится к проекту Jira. Учётные данные и адрес Jira
-    (auth, base_url, verify_ssl, ca_bundle) остаются у агента и сюда не попадают."""
-    if get(conn, "initialized") and not force:
-        raise RuntimeError("хаб уже инициализирован; повторный init — с --force")
-    project = cfg["project_key"]
-    values = {
-        "project_key": project,
-        "issue_types": _issue_types(cfg),
-        "epic_name_field_id": cfg.get("epic_name_field_id"),
-        "field_ids": cfg.get("fields", {}),
-        "epic_link": cfg.get("epic_link", {}),
-        "priority_map": cfg.get("priority_map", {}),
-        "priority_value_key": cfg.get("priority_value_key", "name"),
-        "labels": cfg.get("labels", []),
-        "status_labels": cfg.get("status_labels", {}),
-        "kind_labels": cfg.get("kind_labels", {}),
-        "comment_marker": cfg.get("comment_marker", ""),
-        "transitions_map": cfg.get("transitions", {}).get("map", {}),
-        "link_types": cfg.get("link_types", {}),
-        "pacing": pacing_from_config(cfg.get("pacing", {})),
-    }
-    for key, value in values.items():
-        set_(conn, key, value, bump=False)
-    set_(conn, "initialized", True)
-    return sorted(values)
diff --git a/src/jira_hub/modules/jira/__init__.py b/src/jira_hub/modules/jira/__init__.py
index e69de29..fe1ff7f 100644
--- a/src/jira_hub/modules/jira/__init__.py
+++ b/src/jira_hub/modules/jira/__init__.py
@@ -0,0 +1,13 @@
+"""Модуль jira: зеркало задач Jira, очередь команд агенту, вложения, журнал изменений."""
+from ...core.modules import Module
+from . import schema, settings
+
+MODULE = Module(
+    name="jira",
+    schema=schema.SQL,
+    settings_defaults=settings.DEFAULTS,
+    agent_keys=tuple(settings.AGENT_KEYS),
+    validate_setting=settings.validate_setting,
+    settings_view=settings.settings_view,
+    on_init=settings.on_init,
+)
diff --git a/src/jira_hub/modules/jira/commands.py b/src/jira_hub/modules/jira/commands.py
index f6d3c87..a924645 100644
--- a/src/jira_hub/modules/jira/commands.py
+++ b/src/jira_hub/modules/jira/commands.py
@@ -3,6 +3,7 @@
 проверка «результат уже виден в зеркале» для подтверждения по состоянию."""
 import re
 
+from ...core.errors import CommandError  # noqa: F401  (реэкспорт: прежнее место)
 from . import mirror
 
 TEMP_KEY = re.compile(r"^new:\d+$")
@@ -44,10 +45,6 @@ LIST_PARAMS = {"labels", "labels_add", "labels_remove", "keys"}
 BOOL_PARAMS = {"replace"}
 
 
-class CommandError(ValueError):
-    """Ошибка валидации пакета — наружу уходит как 422."""
-
-
 def is_temp(key) -> bool:
     return isinstance(key, str) and bool(TEMP_KEY.match(key))
 
diff --git a/src/jira_hub/modules/jira/history.py b/src/jira_hub/modules/jira/history.py
index a67e5cf..7721b01 100644
--- a/src/jira_hub/modules/jira/history.py
+++ b/src/jira_hub/modules/jira/history.py
@@ -1,11 +1,35 @@
 """Журнал изменений задач (issue_change): приём от агента, логическое имя поля, отметка «с какого момента» для
 refresh. Пишет таблицу только приём журнала (POST /agent/history); API и MCP её только читают (spec data-model)."""
-from datetime import timedelta
+from datetime import datetime, timedelta, timezone
 
-from ...core import db, projects, settings
+from . import projects
+from ...core import db, settings
 
 SINCE_MARGIN = timedelta(minutes=15)      # расхождение часов Mac mini и Jira и длительность прогона (design #5)
 
+
+def jira_utc(value) -> str | None:
+    """Время Jira (`2026-10-22T13:05:11.000+0300`, `+03:00`, `Z`, с дробной частью или без) → ISO-8601 UTC в формате
+    now(); без смещения — UTC; неразбираемое — None."""
+    if not isinstance(value, str) or not value:
+        return None
+    s = value[:-1] + "+00:00" if value.endswith("Z") else value
+    if len(s) > 5 and s[-5] in "+-" and s[-4:].isdigit():          # ±HHMM → ±HH:MM
+        s = s[:-2] + ":" + s[-2:]
+    try:
+        d = datetime.fromisoformat(s)
+        d = d if d.tzinfo else d.replace(tzinfo=timezone.utc)
+        return d.astimezone(timezone.utc).replace(microsecond=0).isoformat()
+    except (ValueError, OverflowError):                   # время за краем диапазона datetime — тоже «не разобралось»
+        return None
+
+
+def fill_comment_utc(conn) -> None:
+    for r in conn.execute("SELECT key, comment_id, created FROM issue_comment").fetchall():
+        conn.execute("UPDATE issue_comment SET created_at = ? WHERE key = ? AND comment_id = ?",
+                     (jira_utc(r["created"]), r["key"], r["comment_id"]))
+
+
 BUILTIN_FIELDS = ("status", "description", "summary", "assignee", "priority", "duedate", "labels", "resolution")
 _REQUIRED = ("history_id", "key", "created", "field_name")
 _OPTIONAL = ("author", "field_id", "from", "from_string", "to", "to_string")
@@ -56,7 +80,7 @@ def record_changes(conn, changes: list[dict]) -> dict:
             cur = conn.execute(
                 "INSERT OR IGNORE INTO issue_change(history_id, seq, key, at, created, author, field, field_id, field_name, "
                 "from_value, from_string, to_value, to_string, fetched_at) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)",
-                (c["history_id"], c["seq"], c["key"], db.jira_utc(c["created"]), c["created"], c.get("author"),
+                (c["history_id"], c["seq"], c["key"], jira_utc(c["created"]), c["created"], c.get("author"),
                  logical_field(c, field_ids, epic_link), c.get("field_id"), c["field_name"], c.get("from"),
                  c.get("from_string"), c.get("to"), c.get("to_string"), now))
             new += cur.rowcount
diff --git a/src/jira_hub/modules/jira/mirror.py b/src/jira_hub/modules/jira/mirror.py
index 6184cfc..0637105 100644
--- a/src/jira_hub/modules/jira/mirror.py
+++ b/src/jira_hub/modules/jira/mirror.py
@@ -86,14 +86,14 @@ def apply_state(conn, issues, links, neighbor_keys=(), fetched_at=None, authorit
                     "INSERT OR REPLACE INTO issue_comment(key, comment_id, author, created, updated, body, created_at) "
                     "VALUES (?, ?, ?, ?, ?, ?, ?)",
                     [(it["key"], c["id"], c.get("author"), c.get("created"), c.get("updated"), c.get("body") or "",
-                      db.jira_utc(c.get("created"))) for c in it["comments"]])
+                      history.jira_utc(c.get("created"))) for c in it["comments"]])
             if isinstance(it.get("attachments"), list):   # без поля (агент до v14) вложения не трогаем; attachment_file не трогаем никогда
                 conn.execute("DELETE FROM issue_attachment WHERE key = ?", (it["key"],))
                 conn.executemany(    # REPLACE по attachment_id: вложение, переехавшее на другой ключ, перезаписывается
                     "INSERT OR REPLACE INTO issue_attachment(attachment_id, key, filename, size, mime_type, author, created, created_at) "
                     "VALUES (?, ?, ?, ?, ?, ?, ?, ?)",
                     [(a["id"], it["key"], a["filename"], a.get("size"), a.get("mime_type"), a.get("author"), a.get("created"),
-                      db.jira_utc(a.get("created"))) for a in it["attachments"]])
+                      history.jira_utc(a.get("created"))) for a in it["attachments"]])
         conn.executemany("DELETE FROM issue_link WHERE source_key = ?", [(k,) for k in keys])
         for link in links:
             conn.execute("INSERT OR IGNORE INTO issue_link(source_key, target_key, link_type) VALUES (?, ?, ?)",
diff --git a/src/jira_hub/modules/jira/projects.py b/src/jira_hub/modules/jira/projects.py
new file mode 100644
index 0000000..3c97813
--- /dev/null
+++ b/src/jira_hub/modules/jira/projects.py
@@ -0,0 +1,100 @@
+"""Проекты-метки в модуле jira: базовая JQL из меток, доски, миграция v3 → v4, проект по умолчанию."""
+import logging
+import re
+
+from ...core import settings
+from ...core.projects import ProjectError, _label_error, create, labels, validate
+
+log = logging.getLogger(__name__)
+
+LEGACY_LABEL = "AWPCA"
+LEGACY_NAME = "АРМ КА"
+BOARD_TYPES = ("scrum", "kanban")
+
+
+def base_jql(conn) -> str | None:
+    """Общая JQL обновления: все метки проектов; без проектов — None."""
+    found = labels(conn)
+    if not found:
+        return None
+    key = settings.get(conn, "project_key") or "AURORA"
+    return f"project = {key} AND labels in ({', '.join(f'"{x}"' for x in found)})"
+
+
+def boards(conn) -> list[dict]:
+    """Доски проектов без повторов (порядок первого проекта). type — None, если тип неизвестен хотя бы у одного
+    проекта доски (агент тогда запросит его, record_board_types проставит всем); иначе первый известный."""
+    out: dict[int, str | None] = {}
+    unknown: set[int] = set()
+    for r in conn.execute("SELECT board_id, board_type FROM project WHERE board_id IS NOT NULL ORDER BY created_at, label"):
+        out.setdefault(r["board_id"], r["board_type"])
+        if r["board_type"] is None:
+            unknown.add(r["board_id"])
+    return [{"id": i, "type": None if i in unknown else t} for i, t in out.items()]
+
+
+def record_board_types(conn, found) -> int:
+    """Записать типы досок {"<id>": "scrum" | "kanban"} всем проектам с этой доской; прочее пропустить."""
+    if not isinstance(found, dict):
+        return 0
+    updated = 0
+    for raw, kind in found.items():
+        if kind not in BOARD_TYPES:
+            continue
+        try:
+            board = int(raw)
+        except (TypeError, ValueError):
+            continue
+        updated += conn.execute("UPDATE project SET board_type = ? WHERE board_id = ?", (kind, board)).rowcount
+    return updated
+
+
+_LEGACY = re.compile(r"\blabels\s*(?:=\s*(?P<one>\S+)|in\s*\((?P<many>[^()]*)\))\s*$", re.IGNORECASE)
+
+
+def parse_legacy_labels(jql) -> list[str] | None:
+    """Метки из прежней base_jql (`labels = X` / `labels in (X, Y)` в конце); не разобрана — None."""
+    m = _LEGACY.search(jql) if isinstance(jql, str) else None
+    if not m:
+        return None
+    out: list[str] = []
+    for raw in ([m["one"]] if m["one"] is not None else m["many"].split(",")):
+        label = raw.strip().strip('"')
+        if _label_error(label):
+            return None
+        if label.casefold() not in {x.casefold() for x in out}:
+            out.append(label)
+    return out or None
+
+
+def ensure_legacy(conn, board_id: int | None) -> bool:
+    """Завести AWPCA «АРМ КА» с доской, если проекта с меткой awpca (без учёта регистра) нет; True — заведён.
+    Неверная доска из конфига — проект без доски."""
+    if LEGACY_LABEL.casefold() in {x.casefold() for x in labels(conn)}:
+        return False
+    try:
+        validate(LEGACY_LABEL, LEGACY_NAME, board_id)
+    except ProjectError:
+        board_id = None
+    create(conn, LEGACY_LABEL, LEGACY_NAME, board_id)
+    return True
+
+
+def migrate_v3(conn) -> None:
+    """Миграция v3 → v4: проекты из прежней base_jql, доска — единственному проекту, очередь и журнал — на новую JQL."""
+    old = settings.get(conn, "base_jql")
+    found = parse_legacy_labels(old)
+    if found is None:
+        log.warning("миграция v4: base_jql не разобрана (%r) — проектов нет, заведите их POST /projects", old)
+        return
+    board = settings.get(conn, "board_id")
+    board = board if isinstance(board, int) and not isinstance(board, bool) and board > 0 else None
+    if board is not None and len(found) > 1:
+        log.warning("миграция v4: доска %s не отдана ни одному проекту — меток несколько: %s", board, ", ".join(found))
+        board = None
+    for label in found:
+        create(conn, label, LEGACY_NAME if label == LEGACY_LABEL else label, board)
+    new = base_jql(conn)
+    conn.execute("UPDATE sync_run SET query = ? WHERE query = ?", (new, old))
+    conn.execute("UPDATE command SET params = json_set(params, '$.jql', ?) WHERE type = 'refresh' "
+                 "AND status IN ('queued', 'claimed') AND json_extract(params, '$.jql') = ?", (new, old))
diff --git a/src/jira_hub/modules/jira/schema.py b/src/jira_hub/modules/jira/schema.py
new file mode 100644
index 0000000..8766782
--- /dev/null
+++ b/src/jira_hub/modules/jira/schema.py
@@ -0,0 +1,101 @@
+"""Схема базы модуля jira: зеркало задач, журнал изменений, вложения, заметки, прогоны обновления."""
+
+SQL = """
+CREATE TABLE IF NOT EXISTS issue (
+    key           TEXT PRIMARY KEY,
+    id            TEXT,
+    issue_type    TEXT,
+    summary       TEXT,
+    description   TEXT,
+    status        TEXT,
+    priority      TEXT,
+    assignee      TEXT,
+    reporter      TEXT,
+    duedate       TEXT,
+    planned_start TEXT,
+    planned_end   TEXT,
+    epic_key      TEXT,
+    labels        TEXT NOT NULL DEFAULT '[]',
+    sprint        TEXT,
+    created       TEXT,
+    jira_updated  TEXT,
+    fetched_at    TEXT NOT NULL,
+    neighbor      INTEGER NOT NULL DEFAULT 0
+);
+CREATE TABLE IF NOT EXISTS issue_link (
+    source_key TEXT NOT NULL,
+    target_key TEXT NOT NULL,
+    link_type  TEXT NOT NULL,
+    PRIMARY KEY (source_key, target_key, link_type)
+);
+CREATE INDEX IF NOT EXISTS ix_issue_link_target ON issue_link(target_key);
+CREATE TABLE IF NOT EXISTS issue_comment (
+    key        TEXT NOT NULL,
+    comment_id TEXT NOT NULL,
+    author     TEXT,
+    created    TEXT,
+    updated    TEXT,
+    body       TEXT NOT NULL DEFAULT '',
+    created_at TEXT,
+    PRIMARY KEY (key, comment_id)
+);
+CREATE TABLE IF NOT EXISTS issue_attachment (
+    attachment_id TEXT PRIMARY KEY,
+    key           TEXT NOT NULL,
+    filename      TEXT NOT NULL,
+    size          INTEGER,
+    mime_type     TEXT,
+    author        TEXT,
+    created       TEXT,
+    created_at    TEXT
+);
+CREATE INDEX IF NOT EXISTS issue_attachment_key ON issue_attachment(key);
+CREATE TABLE IF NOT EXISTS attachment_file (
+    attachment_id TEXT PRIMARY KEY,
+    file          TEXT NOT NULL,
+    size          INTEGER NOT NULL,
+    fetched_at    TEXT NOT NULL
+);
+CREATE TABLE IF NOT EXISTS issue_change (
+    history_id  TEXT NOT NULL,
+    seq         INTEGER NOT NULL,
+    key         TEXT NOT NULL,
+    at          TEXT,
+    created     TEXT NOT NULL,
+    author      TEXT,
+    field       TEXT NOT NULL,
+    field_id    TEXT,
+    field_name  TEXT NOT NULL,
+    from_value  TEXT,
+    from_string TEXT,
+    to_value    TEXT,
+    to_string   TEXT,
+    fetched_at  TEXT NOT NULL,
+    PRIMARY KEY (history_id, seq)
+);
+CREATE INDEX IF NOT EXISTS ix_issue_change_at ON issue_change(at);
+CREATE INDEX IF NOT EXISTS ix_issue_change_key ON issue_change(key, at);
+CREATE TABLE IF NOT EXISTS issue_note (
+    key         TEXT PRIMARY KEY,
+    fact_status TEXT,
+    work_kind   TEXT,
+    done_text   TEXT,
+    rest_text   TEXT,
+    owner_note  TEXT,
+    updated_at  TEXT,
+    updated_by  TEXT
+);
+CREATE TABLE IF NOT EXISTS sync_run (
+    id           INTEGER PRIMARY KEY AUTOINCREMENT,
+    started_at   TEXT NOT NULL,
+    finished_at  TEXT,
+    kind         TEXT NOT NULL,
+    query        TEXT,
+    issues_count INTEGER NOT NULL DEFAULT 0,
+    links_count  INTEGER NOT NULL DEFAULT 0,
+    jira_calls   INTEGER NOT NULL DEFAULT 0,
+    rate_limited INTEGER NOT NULL DEFAULT 0,
+    command_id   INTEGER,
+    history_at   TEXT
+);
+"""
diff --git a/src/jira_hub/modules/jira/settings.py b/src/jira_hub/modules/jira/settings.py
new file mode 100644
index 0000000..bb893b6
--- /dev/null
+++ b/src/jira_hub/modules/jira/settings.py
@@ -0,0 +1,122 @@
+"""Настройки модуля jira: умолчания, ключи для агента, проверка значений, перенос из config.example.json."""
+from ...core import projects as core_projects
+from ...core import settings as core_settings
+from . import projects
+
+DEFAULT_PACING = {"ensure_issue": 120, "ensure_fields": 120, "ensure_comment": 30, "ensure_status": 30,
+                  "ensure_link": 30, "ensure_sprint": 30, "ensure_attachment": 30, "fetch_attachment": 2, "refresh": 2}
+
+DEFAULTS = {
+    "project_key": "AURORA",
+    "pacing": DEFAULT_PACING,
+    "auto_refresh_minutes": 60,
+    "issue_types": {},
+    "epic_name_field_id": None,
+    "field_ids": {},
+    "epic_link": {},
+    "priority_map": {},
+    "priority_value_key": "name",
+    "labels": [],
+    "status_labels": {},
+    "kind_labels": {},
+    "comment_marker": "",
+    "transitions_map": {},
+    "link_types": {},
+    "closed_statuses": ["Готово", "Снято"],   # статусы Jira закрытых задач: список и доска приложения (hide-closed)
+}
+
+# Что получает агент от модуля (без токенов и служебных ключей хаба); min_agent_version и settings_version добавляет ядро
+AGENT_KEYS = ["project_key", "issue_types", "epic_name_field_id", "field_ids", "epic_link",
+              "priority_map", "priority_value_key", "labels", "status_labels", "kind_labels", "comment_marker",
+              "transitions_map", "link_types", "board_id", "pacing"]
+
+
+def _is_int(v) -> bool:
+    return isinstance(v, int) and not isinstance(v, bool)
+
+
+def validate_setting(key, value) -> bool:
+    """True — ключ принадлежит модулю и проверен; ValueError — значение плохое (422 в API).
+    base_jql и board_id не пишутся: JQL собирается из проектов, доска — свойство проекта;
+    pacing — объект {тип команды: целое >= 0} только с известными типами команд;
+    auto_refresh_minutes — целое >= 0."""
+    if key == "base_jql":
+        raise ValueError("базовая JQL собирается из проектов (GET /projects)")
+    if key == "board_id":
+        raise ValueError("доска Jira — свойство проекта (POST /projects)")
+    if key == "pacing":
+        if not isinstance(value, dict):
+            raise ValueError("pacing — объект {тип команды: пауза в секундах}")
+        for ctype, pause in value.items():
+            if ctype not in DEFAULT_PACING:
+                raise ValueError(f"pacing: неизвестный тип команды «{ctype}»")
+            if not _is_int(pause) or pause < 0:
+                raise ValueError(f"pacing.{ctype}: ожидается целое >= 0")
+        return True
+    if key == "auto_refresh_minutes":
+        if not _is_int(value) or value < 0:
+            raise ValueError(f"{key} — целое >= 0")
+        return True
+    return False
+
+
+def settings_view(conn) -> dict:
+    """Вычисляемые поля GET/PUT /settings."""
+    return {"base_jql": projects.base_jql(conn)}
+
+
+def pacing(conn) -> dict:
+    return {**DEFAULT_PACING, **(core_settings.get(conn, "pacing") or {})}
+
+
+def pacing_from_config(p: dict) -> dict:
+    """Старая форма pacing (issue_seconds / comment_seconds) → паузы по типам команд."""
+    issue, comment = p.get("issue_seconds", 120), p.get("comment_seconds", 30)
+    return {"ensure_issue": issue, "ensure_fields": issue, "ensure_comment": comment, "ensure_status": comment,
+            "ensure_link": comment, "ensure_sprint": comment, "ensure_attachment": comment, "fetch_attachment": 2, "refresh": 2}
+
+
+def _issue_types(cfg: dict) -> dict:
+    """issue_types из ключей конфига issue_type_<тип>[_id]: task и epic — всегда, bug — только если в конфиге есть
+    issue_type_bug или issue_type_bug_id (bug-and-attachments, data-model «Настройки»)."""
+    out = {t: {"name": cfg.get(f"issue_type_{t}"), "id": cfg.get(f"issue_type_{t}_id")} for t in ("task", "epic")}
+    if "issue_type_bug" in cfg or "issue_type_bug_id" in cfg:
+        out["bug"] = {"name": cfg.get("issue_type_bug"), "id": cfg.get("issue_type_bug_id")}
+    return out
+
+
+def init_from_config(conn, cfg: dict, force=False) -> list[str]:
+    """Перенести из config.example.json всё, что относится к проекту Jira. Учётные данные и адрес Jira
+    (auth, base_url, verify_ssl, ca_bundle) остаются у агента и сюда не попадают."""
+    if core_settings.get(conn, "initialized") and not force:
+        raise RuntimeError("хаб уже инициализирован; повторный init — с --force")
+    project = cfg["project_key"]
+    values = {
+        "project_key": project,
+        "issue_types": _issue_types(cfg),
+        "epic_name_field_id": cfg.get("epic_name_field_id"),
+        "field_ids": cfg.get("fields", {}),
+        "epic_link": cfg.get("epic_link", {}),
+        "priority_map": cfg.get("priority_map", {}),
+        "priority_value_key": cfg.get("priority_value_key", "name"),
+        "labels": cfg.get("labels", []),
+        "status_labels": cfg.get("status_labels", {}),
+        "kind_labels": cfg.get("kind_labels", {}),
+        "comment_marker": cfg.get("comment_marker", ""),
+        "transitions_map": cfg.get("transitions", {}).get("map", {}),
+        "link_types": cfg.get("link_types", {}),
+        "pacing": pacing_from_config(cfg.get("pacing", {})),
+    }
+    for key, value in values.items():
+        core_settings.set_(conn, key, value, bump=False)
+    core_settings.set_(conn, "initialized", True)
+    return sorted(values)
+
+
+def on_init(conn, cfg: dict, force: bool) -> list[str]:
+    """init --config: настройки Jira и проект AWPCA; строки для вывода."""
+    lines = ["перенесено: " + ", ".join(init_from_config(conn, cfg, force=force))]
+    if projects.ensure_legacy(conn, cfg.get("sprints", {}).get("board_id")):
+        board = core_projects.get(conn, projects.LEGACY_LABEL)["board_id"]
+        lines.append(f"проект {projects.LEGACY_LABEL} «{projects.LEGACY_NAME}», доска {board}")
+    return lines
diff --git a/tests/conftest.py b/tests/conftest.py
index d937127..88a37f6 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -3,6 +3,7 @@ ResourceWarning «unclosed database» (hub-hygiene-d, решение 14; M-9/O-4
 import pytest
 
 from jira_hub.core import db, projects
+from jira_hub.modules.jira import projects as jira_projects
 
 
 @pytest.fixture
@@ -25,9 +26,9 @@ def add_project():
     """add_project(conn, label="AWPCA", name=None, board_id=4216, board_type="scrum") -> dict: завести проект."""
     def make(conn, label="AWPCA", name=None, board_id=4216, board_type="scrum"):
         if name is None:
-            name = projects.LEGACY_NAME if label == projects.LEGACY_LABEL else label
+            name = jira_projects.LEGACY_NAME if label == jira_projects.LEGACY_LABEL else label
         projects.create(conn, label, name, board_id)
         if board_id is not None and board_type is not None:
-            projects.record_board_types(conn, {str(board_id): board_type})
+            jira_projects.record_board_types(conn, {str(board_id): board_type})
         return projects.get(conn, label)
     return make
diff --git a/tests/test_baseline.py b/tests/test_baseline.py
index 9313145..7b09b31 100644
--- a/tests/test_baseline.py
+++ b/tests/test_baseline.py
@@ -31,7 +31,7 @@ def test_routes():
 
 
 def test_settings():
-    _check("settings", {"defaults": settings.DEFAULTS, "agent_keys": settings.AGENT_KEYS,
+    _check("settings", {"defaults": settings.defaults(), "agent_keys": settings.agent_keys(),
                         "protected": sorted(settings.PROTECTED)})
 
 
diff --git a/tests/test_db.py b/tests/test_db.py
index 95001f8..9a25ddd 100644
--- a/tests/test_db.py
+++ b/tests/test_db.py
@@ -8,6 +8,7 @@ import threading
 import pytest
 
 from jira_hub.core import backup, db, paths, projects, queue, settings
+from jira_hub.modules.jira import history
 
 
 def test_connect_creates_schema(open_db):
@@ -324,7 +325,7 @@ def test_migrates_v3_unparsed_jql_keeps_running(tmp_path, caplog):
     ("9999-12-31T23:00:00-0300", None), ("0001-01-01T00:00:00+0300", None),      # M-1: выход за диапазон datetime
 ])
 def test_jira_utc(raw, want):
-    assert db.jira_utc(raw) == want
+    assert history.jira_utc(raw) == want
 
 
 def _v4_database(path):
diff --git a/tests/test_projects.py b/tests/test_projects.py
index 04f254c..2d2f937 100644
--- a/tests/test_projects.py
+++ b/tests/test_projects.py
@@ -2,6 +2,7 @@ import pytest
 
 from jira_hub.core import projects, settings
 from jira_hub.modules.jira import mirror
+from jira_hub.modules.jira import projects as jira_projects
 
 
 @pytest.fixture
@@ -13,12 +14,12 @@ def conn(open_db):
 
 def test_boards_type_unknown_if_any_project_unknown(conn):          # I-1: новый проект на известной доске
     projects.create(conn, "AWPCA", "a", 4216)
-    projects.record_board_types(conn, {"4216": "scrum"})
+    jira_projects.record_board_types(conn, {"4216": "scrum"})
     projects.create(conn, "NEW", "n", 4216)
     assert projects.get(conn, "NEW")["board_type"] is None
-    assert projects.boards(conn) == [{"id": 4216, "type": None}]
-    projects.record_board_types(conn, {"4216": "scrum"})
-    assert projects.boards(conn) == [{"id": 4216, "type": "scrum"}]
+    assert jira_projects.boards(conn) == [{"id": 4216, "type": None}]
+    jira_projects.record_board_types(conn, {"4216": "scrum"})
+    assert jira_projects.boards(conn) == [{"id": 4216, "type": "scrum"}]
     assert [p["board_type"] for p in projects.list_projects(conn)] == ["scrum", "scrum"]
 
 
@@ -26,7 +27,7 @@ def test_boards_diverged_types_first_by_order(conn):
     projects.create(conn, "A", "a", 7); projects.create(conn, "B", "b", 7)
     conn.execute("UPDATE project SET board_type = 'kanban' WHERE label = 'B'")
     conn.execute("UPDATE project SET board_type = 'scrum' WHERE label = 'A'")
-    assert projects.boards(conn) == [{"id": 7, "type": "scrum"}]
+    assert jira_projects.boards(conn) == [{"id": 7, "type": "scrum"}]
 
 
 def test_light_list_same_order_no_count(conn):
@@ -84,32 +85,32 @@ def test_same_label_other_case(conn):
 
 
 def test_base_jql(conn):
-    assert projects.base_jql(conn) is None
+    assert jira_projects.base_jql(conn) is None
     projects.create(conn, "AWPCA", "АРМ КА"); projects.create(conn, "STOCKS_DRRK", "Запасы ДРРК")
-    assert projects.base_jql(conn) == 'project = AURORA AND labels in ("AWPCA", "STOCKS_DRRK")'
+    assert jira_projects.base_jql(conn) == 'project = AURORA AND labels in ("AWPCA", "STOCKS_DRRK")'
     settings.set_(conn, "project_key", "AUR")
-    assert projects.base_jql(conn).startswith("project = AUR AND")
+    assert jira_projects.base_jql(conn).startswith("project = AUR AND")
 
 
 def test_base_jql_single_and_reserved_words(conn):
     projects.create(conn, "AWPCA", "АРМ КА")
-    assert projects.base_jql(conn) == 'project = AURORA AND labels in ("AWPCA")'
+    assert jira_projects.base_jql(conn) == 'project = AURORA AND labels in ("AWPCA")'
     projects.create(conn, "EMPTY", "Пустой")                          # зарезервированное слово JQL — в кавычках
-    assert projects.base_jql(conn) == 'project = AURORA AND labels in ("AWPCA", "EMPTY")'
+    assert jira_projects.base_jql(conn) == 'project = AURORA AND labels in ("AWPCA", "EMPTY")'
 
 
 def test_boards_dedup_and_types(conn):
     projects.create(conn, "AWPCA", "a", 4216); projects.create(conn, "B", "b", 5120)
     projects.create(conn, "C", "c", 4216); projects.create(conn, "D", "d")
-    projects.record_board_types(conn, {"4216": "scrum"})
-    assert projects.boards(conn) == [{"id": 4216, "type": "scrum"}, {"id": 5120, "type": None}]
+    jira_projects.record_board_types(conn, {"4216": "scrum"})
+    assert jira_projects.boards(conn) == [{"id": 4216, "type": "scrum"}, {"id": 5120, "type": None}]
     assert projects.get(conn, "C")["board_type"] == "scrum"            # тип — у всех проектов с этой доской
 
 
 @pytest.mark.parametrize("boards", [{"5120": None}, {"5120": "simple"}, {"x": "kanban"}, ["5120"], None, {}])
 def test_record_board_types_ignores(conn, boards):
     projects.create(conn, "B", "b", 5120)
-    assert projects.record_board_types(conn, boards) == 0
+    assert jira_projects.record_board_types(conn, boards) == 0
     assert projects.get(conn, "B")["board_type"] is None
 
 
@@ -125,7 +126,7 @@ def test_record_board_types_ignores(conn, boards):
     ("", None), (None, None), (5, None),
 ])
 def test_parse_legacy_labels(jql, labels):
-    assert projects.parse_legacy_labels(jql) == labels
+    assert jira_projects.parse_legacy_labels(jql) == labels
 
 
 def test_add_project_fixture(conn, add_project):
@@ -134,16 +135,16 @@ def test_add_project_fixture(conn, add_project):
 
 
 def test_ensure_legacy(conn):
-    assert projects.ensure_legacy(conn, 4216) is True
+    assert jira_projects.ensure_legacy(conn, 4216) is True
     assert projects.get(conn, "AWPCA")["board_id"] == 4216 and projects.get(conn, "AWPCA")["name"] == "АРМ КА"
-    assert projects.ensure_legacy(conn, 1) is False
+    assert jira_projects.ensure_legacy(conn, 1) is False
 
 
 def test_ensure_legacy_skips_case_variant_and_bad_board(open_db):
     c = open_db()
     settings.ensure_defaults(c)
     projects.create(c, "awpca", "x")
-    assert projects.ensure_legacy(c, 4216) is False
+    assert jira_projects.ensure_legacy(c, 4216) is False
     c2 = open_db()
     settings.ensure_defaults(c2)
-    assert projects.ensure_legacy(c2, "oops") is True and projects.get(c2, "AWPCA")["board_id"] is None
+    assert jira_projects.ensure_legacy(c2, "oops") is True and projects.get(c2, "AWPCA")["board_id"] is None
diff --git a/tests/test_queue.py b/tests/test_queue.py
index 4249a37..8b599c9 100644
--- a/tests/test_queue.py
+++ b/tests/test_queue.py
@@ -4,6 +4,7 @@ import pytest
 
 from jira_hub.core import db, files, projects, queue, settings
 from jira_hub.modules.jira import attachments, mirror
+from jira_hub.modules.jira import projects as jira_projects
 from jira_hub.modules.jira.commands import CommandError
 from jira_hub.core.queue import ClaimedError
 
@@ -424,7 +425,7 @@ def test_cancelled_batch_with_done_command_is_cancelled(conn):
 
 def test_empty_full_refresh_keeps_neighbors(conn, add_project):
     add_project(conn)
-    jql = projects.base_jql(conn)
+    jql = jira_projects.base_jql(conn)
     mirror.apply_state(conn, [{"key": "A-1", "summary": "x", "labels": []}], [],
                        fetched_at="2020-01-01T00:00:00+00:00")             # прочитана давно — до старта прогона
     queue.create_batch(conn, "полный", "claude", [{"type": "refresh", "params": {"jql": jql}}])
@@ -444,7 +445,7 @@ def test_cancel_finished_batch_stays_done(conn):
 
 def test_redelivered_full_refresh_marks_neighbors_once(conn, add_project):
     add_project(conn)
-    jql = projects.base_jql(conn)
+    jql = jira_projects.base_jql(conn)
     mirror.apply_state(conn, [{"key": "OLD", "summary": "x", "labels": []}], [], fetched_at="2020-01-01T00:00:00+00:00")
     queue.create_batch(conn, "полный", "claude", [{"type": "refresh", "params": {"jql": jql}}])
     r = queue.claim(conn)
@@ -948,7 +949,7 @@ def test_refresh_failed_result_records_board_types(conn, add_project):    # R-3
 
 def _full_run(conn, result, started_at=None, status="done"):
     """Полный refresh: поставить, выдать, отчитаться; started_at — подменить время начала прогона."""
-    queue.create_batch(conn, "r", "api", [{"type": "refresh", "params": {"jql": projects.base_jql(conn)}}])
+    queue.create_batch(conn, "r", "api", [{"type": "refresh", "params": {"jql": jira_projects.base_jql(conn)}}])
     c = queue.claim(conn)
     if started_at:
         conn.execute("UPDATE sync_run SET started_at = ? WHERE command_id = ?", (started_at, c["id"]))
@@ -958,7 +959,7 @@ def _full_run(conn, result, started_at=None, status="done"):
 
 def test_first_full_refresh_gets_backfill(conn, add_project):          # сценарий «Первый refresh после выкатки»
     add_project(conn)
-    b = queue.create_batch(conn, "r", "api", [{"type": "refresh", "params": {"jql": projects.base_jql(conn)}}])
+    b = queue.create_batch(conn, "r", "api", [{"type": "refresh", "params": {"jql": jira_projects.base_jql(conn)}}])
     got = queue.claim(conn)
     assert got["params"]["history"] == {
         "jql": '(project = AURORA AND labels in ("AWPCA")) AND sprint in openSprints() AND statusCategory != Done'}
@@ -969,7 +970,7 @@ def test_regular_refresh_gets_since(conn, add_project):                  # «Р
     add_project(conn)
     _full_run(conn, {"history": {"issues": 1, "changes": 2, "incomplete": []}}, "2026-10-22T09:00:00+00:00")
     _full_run(conn, {"history": {"error": "HTTP 500"}}, "2026-10-22T10:00:00+00:00")
-    queue.create_batch(conn, "r", "api", [{"type": "refresh", "params": {"jql": projects.base_jql(conn)}}])
+    queue.create_batch(conn, "r", "api", [{"type": "refresh", "params": {"jql": jira_projects.base_jql(conn)}}])
     assert queue.claim(conn)["params"]["history"] == {"since": "2026-10-22T08:45:00Z"}
 
 
@@ -977,10 +978,10 @@ def test_new_project_gets_since_and_backfill(conn, add_project):         # «Н
     add_project(conn)
     _full_run(conn, {"history": {"issues": 0, "changes": 0, "incomplete": []}}, "2026-10-22T09:00:00+00:00")
     add_project(conn, "STOCKS_DRRK", board_id=5120)
-    queue.create_batch(conn, "r", "api", [{"type": "refresh", "params": {"jql": projects.base_jql(conn)}}])
+    queue.create_batch(conn, "r", "api", [{"type": "refresh", "params": {"jql": jira_projects.base_jql(conn)}}])
     h = queue.claim(conn)["params"]["history"]
     assert h["since"] == "2026-10-22T08:45:00Z"
-    assert h["jql"] == "(" + projects.base_jql(conn) + ") AND sprint in openSprints() AND statusCategory != Done"
+    assert h["jql"] == "(" + jira_projects.base_jql(conn) + ") AND sprint in openSprints() AND statusCategory != Done"
     assert "STOCKS_DRRK" in h["jql"]
 
 
@@ -1007,7 +1008,7 @@ def test_no_projects_no_history(conn):
 
 def test_redelivery_recomputes_history(conn, add_project):               # Review Focus 3
     add_project(conn)
-    b = queue.create_batch(conn, "r", "api", [{"type": "refresh", "params": {"jql": projects.base_jql(conn)}}])
+    b = queue.create_batch(conn, "r", "api", [{"type": "refresh", "params": {"jql": jira_projects.base_jql(conn)}}])
     first = queue.claim(conn)
     again = queue.claim(conn)                                            # отчёта нет — довыдача
     assert again["id"] == first["id"] and again["params"]["history"] == first["params"]["history"]
diff --git a/tests/test_registry.py b/tests/test_registry.py
new file mode 100644
index 0000000..ca51eae
--- /dev/null
+++ b/tests/test_registry.py
@@ -0,0 +1,85 @@
+"""Реестр модулей: состав, конфликты имён, границы импортов ядра."""
+import ast
+from pathlib import Path
+
+import pytest
+
+from jira_hub.core import registry
+from jira_hub.core.modules import CommandHooks, Module
+
+CORE = Path(__file__).resolve().parent.parent / "src" / "jira_hub" / "core"
+
+# временно: R-1, сокращается в Task 4–6
+PENDING = {"api.py", "cli.py", "mcp_server.py", "queue.py"}
+
+
+def _noop(*a, **k):
+    return None
+
+
+def _hooks(types):
+    names = [f for f in CommandHooks.__dataclass_fields__ if f not in ("types", "read_types")]
+    return CommandHooks(types=frozenset(types), read_types=frozenset(), **{n: _noop for n in names})
+
+
+def test_jira_registered():
+    assert [m.name for m in registry.modules()] == ["jira"]
+    assert registry.module("jira").name == "jira"
+    assert registry.module("nope") is None
+
+
+def test_command_type_conflict():
+    a = Module(name="jira", commands=_hooks({"refresh"}))
+    b = Module(name="x", commands=_hooks({"refresh"}))
+    with pytest.raises(RuntimeError) as e:
+        registry.check([a, b], [], {})
+    assert "refresh" in str(e.value) and "jira" in str(e.value) and "x" in str(e.value)
+
+
+def test_settings_conflict():
+    with pytest.raises(RuntimeError, match="port"):
+        registry.check([Module(name="x", settings_defaults={"port": 1})], [], {"port": 8790})
+
+
+def test_route_conflict():
+    core = [("GET", r"^/projects$", _noop, "client")]
+    m = Module(name="x", routes=(("GET", r"^/projects$", _noop, "client"),))
+    with pytest.raises(RuntimeError, match="/projects"):
+        registry.check([m], core, {})
+
+
+def test_module_of(monkeypatch):
+    a = Module(name="a", commands=_hooks({"t1"}))
+    monkeypatch.setattr(registry, "_cache", [a])
+    assert registry.module_of("t1") is a and registry.module_of("t2") is None
+
+
+def _module_imports(tree, top_level_only):
+    """Импорты пакета jira_hub.modules (абсолютные и относительные из core/)."""
+    found = []
+    for n in (tree.body if top_level_only else ast.walk(tree)):
+        if isinstance(n, ast.Import):
+            names = [a.name for a in n.names]
+        elif isinstance(n, ast.ImportFrom):
+            prefix = {0: "", 1: "jira_hub.core.", 2: "jira_hub."}[n.level]
+            base = (prefix + (n.module or "")).rstrip(".")
+            names = [base] + [base + "." + a.name for a in n.names]
+        else:
+            continue
+        if any(x == "jira_hub.modules" or x.startswith("jira_hub.modules.") for x in names):
+            found.append(n)
+    return found
+
+
+def test_core_imports():
+    dirty = set()
+    for path in sorted(CORE.glob("*.py")):
+        tree = ast.parse(path.read_text(encoding="utf-8"))
+        if path.name in ("registry.py", "db.py"):
+            # только внутри функций: на верхнем уровне модуля импортов модулей нет
+            assert not _module_imports(tree, top_level_only=True), path.name
+            continue
+        if _module_imports(tree, top_level_only=False):
+            dirty.add(path.name)
+    assert dirty - PENDING == set(), f"ядро импортирует модули: {sorted(dirty - PENDING)}"
+    assert PENDING - dirty == set(), f"PENDING устарел, уберите: {sorted(PENDING - dirty)}"
diff --git a/tests/test_settings.py b/tests/test_settings.py
index 0444ca1..e243ec3 100644
--- a/tests/test_settings.py
+++ b/tests/test_settings.py
@@ -4,6 +4,7 @@ from pathlib import Path
 import pytest
 
 from jira_hub.core import queue, settings
+from jira_hub.modules.jira import settings as jira_settings
 from jira_hub.modules.jira.commands import CommandError
 
 FIXTURE = Path(__file__).parent / "fixtures" / "config.example.json"
@@ -25,9 +26,9 @@ def test_defaults_and_tokens(conn):
 
 
 def test_defaults_without_jql_and_board(conn):
-    assert "base_jql" not in settings.DEFAULTS and "board_id" not in settings.DEFAULTS
+    assert "base_jql" not in settings.defaults() and "board_id" not in settings.defaults()
     assert "base_jql" not in settings.get_all(conn) and "board_id" not in settings.get_all(conn)
-    assert "base_jql" not in settings.AGENT_KEYS and "board_id" in settings.AGENT_KEYS
+    assert "base_jql" not in settings.agent_keys() and "board_id" in settings.agent_keys()
     assert settings.for_agent(conn)["board_id"] is None
 
 
@@ -53,18 +54,18 @@ def test_protected_keys(conn, key):
 
 def test_init_from_config(conn):
     cfg = json.loads(FIXTURE.read_text(encoding="utf-8"))
-    keys = settings.init_from_config(conn, cfg)
+    keys = jira_settings.init_from_config(conn, cfg)
     assert "transitions_map" in keys and "base_jql" not in keys and "board_id" not in keys
     assert "base_jql" not in settings.get_all(conn) and "board_id" not in settings.get_all(conn)
     assert settings.get(conn, "field_ids")["planned_end"] == "customfield_10802"
     assert settings.get(conn, "issue_types")["epic"] == {"name": "Фича", "id": "12300"}
-    assert settings.get(conn, "pacing") == settings.DEFAULT_PACING
+    assert settings.get(conn, "pacing") == jira_settings.DEFAULT_PACING
     agent_view = settings.for_agent(conn)
     assert "tokens" not in agent_view and "auth" not in agent_view and "base_url" not in agent_view
     assert agent_view["link_types"]["связанные"] == "ASUPR_Связанные"
     with pytest.raises(RuntimeError):
-        settings.init_from_config(conn, cfg)
-    settings.init_from_config(conn, cfg, force=True)
+        jira_settings.init_from_config(conn, cfg)
+    jira_settings.init_from_config(conn, cfg, force=True)
 
 
 def test_relay_dir_default_and_validation(tmp_path, open_db):
@@ -76,13 +77,13 @@ def test_relay_dir_default_and_validation(tmp_path, open_db):
     for bad in ("rshb/jira-bridge", "", 5, ["/x"]):
         with pytest.raises(ValueError):
             settings.validate("relay_dir", bad)
-    assert "relay_dir" not in settings.AGENT_KEYS
+    assert "relay_dir" not in settings.agent_keys()
 
 
 def test_init_without_bug_keys_rejects_bug(conn):
     """Спека data-model «Конфиг без ключей ошибки»: bug в issue_types нет, постановка bug — 422."""
     cfg = json.loads(FIXTURE.read_text(encoding="utf-8"))
-    settings.init_from_config(conn, cfg)
+    jira_settings.init_from_config(conn, cfg)
     assert set(settings.get(conn, "issue_types")) == {"task", "epic"}
     with pytest.raises(CommandError, match="нет настройки issue_types.bug"):
         queue.create_batch(conn, "ошибка", "claude", [{"type": "ensure_issue", "params": {
@@ -96,22 +97,22 @@ def test_init_without_bug_keys_rejects_bug(conn):
 ])
 def test_init_bug_from_config(conn, extra, expected):
     cfg = {**json.loads(FIXTURE.read_text(encoding="utf-8")), **extra}
-    settings.init_from_config(conn, cfg)
+    jira_settings.init_from_config(conn, cfg)
     types = settings.get(conn, "issue_types")
     assert types["bug"] == expected
     assert types["task"] == {"name": "Задача", "id": "10100"} and types["epic"] == {"name": "Фича", "id": "12300"}
 
 
 def test_attachment_pacing(conn):
-    assert settings.DEFAULT_PACING["ensure_attachment"] == 30
-    assert settings.pacing(conn)["ensure_attachment"] == 30
-    assert settings.pacing_from_config({"issue_seconds": 90, "comment_seconds": 20})["ensure_attachment"] == 20
+    assert jira_settings.DEFAULT_PACING["ensure_attachment"] == 30
+    assert jira_settings.pacing(conn)["ensure_attachment"] == 30
+    assert jira_settings.pacing_from_config({"issue_seconds": 90, "comment_seconds": 20})["ensure_attachment"] == 20
     settings.validate("pacing", {"ensure_attachment": 10})
 
 
 def test_closed_statuses_default(conn):
     assert settings.get(conn, "closed_statuses") == ["Готово", "Снято"]
-    assert "closed_statuses" not in settings.AGENT_KEYS
+    assert "closed_statuses" not in settings.agent_keys()
     assert "closed_statuses" not in settings.for_agent(conn)
 
 
@@ -123,5 +124,5 @@ def test_closed_statuses_must_be_list():
 
 def test_pacing_fallback_for_new_type(conn):
     settings.set_(conn, "pacing", {"ensure_fields": 5})
-    assert settings.pacing(conn)["fetch_attachment"] == 2
+    assert jira_settings.pacing(conn)["fetch_attachment"] == 2
     settings.validate("pacing", {"fetch_attachment": 3})