메일 알림 시스템 추가

apps/api/app/auth_sessions.py

@@ -9,6 +9,7 @@ from __future__ import annotations
 
 import hashlib
 import hmac
+import logging
 import secrets
 import time
 import uuid
@@ -19,6 +20,9 @@ from .auth_types import AccountStatus, RoleName
 from .config import settings
 from .db import get_pool
 from .runtime_policy import require_runtime_fallback_allowed, runtime_fallback_allowed
+from .services import notifications
+
+logger = logging.getLogger(__name__)
 
 
 @dataclass(slots=True)
@@ -351,6 +355,24 @@ async def _runtime_tables_ready(conn) -> bool:
               AND table_name = 'session_state'
               AND column_name = 'turns_in_stage'
           ) AS has_state_columns,
+          EXISTS (
+            SELECT 1 FROM information_schema.columns
+            WHERE table_schema = 'app'
+              AND table_name = 'turns'
+              AND column_name = 'provider_events'
+          ) AS has_turn_provider_events,
+          EXISTS (
+            SELECT 1 FROM information_schema.columns
+            WHERE table_schema = 'app'
+              AND table_name = 'session_review_status'
+              AND column_name IN (
+                'worksheet_status',
+                'worksheet_note',
+                'worksheet_reviewed_at'
+              )
+            GROUP BY table_schema, table_name
+            HAVING count(*) = 3
+          ) AS has_session_review_worksheet_columns,
           (
             SELECT count(*) = 4
             FROM app.stage_def
@@ -463,6 +485,8 @@ async def _runtime_tables_ready(conn) -> bool:
         and row["has_engine_config"]
         and row["has_session_columns"]
         and row["has_state_columns"]
+        and row["has_turn_provider_events"]
+        and row["has_session_review_worksheet_columns"]
         and row["has_stage_defs"]
         and row["has_admin_health_event"]
         and row["has_admin_health_daily_rollup"]
@@ -1813,6 +1837,16 @@ async def create_session(
             reactivate=False,
         )
     )
+    if managed.account_status == "pending":
+        try:
+            await notifications.enqueue_account_pending_approval(
+                user_id=managed.user_id,
+                email=managed.email,
+                display_name=managed.display_name,
+                role=managed.role,
+            )
+        except Exception as exc:
+            logger.warning("account approval notification enqueue failed: %s", exc)
     expires_at = time.time() + settings.session_ttl_seconds
     user = SessionUser(
         user_id=managed.user_id,

apps/api/app/config.py

@@ -219,6 +219,28 @@ class Settings(BaseSettings):
         validation_alias="USER_UPLOAD_DIR",
     )
 
+    # ── 운영 메일 알림 ─────────────────────────────────────
+    notification_email_provider: Literal["disabled", "smtp"] = Field(
+        default="disabled",
+        validation_alias="NOTIFICATION_EMAIL_PROVIDER",
+    )
+    notification_email_max_attempts: int = Field(
+        default=3,
+        validation_alias="NOTIFICATION_EMAIL_MAX_ATTEMPTS",
+    )
+    notification_email_retry_seconds: int = Field(
+        default=900,
+        validation_alias="NOTIFICATION_EMAIL_RETRY_SECONDS",
+    )
+    smtp_host: str = Field(default="", validation_alias="SMTP_HOST")
+    smtp_port: int = Field(default=587, validation_alias="SMTP_PORT")
+    smtp_username: str = Field(default="", validation_alias="SMTP_USERNAME")
+    smtp_password: str = Field(default="", validation_alias="SMTP_PASSWORD")
+    smtp_from_email: str = Field(default="", validation_alias="SMTP_FROM_EMAIL")
+    smtp_from_name: str = Field(default="Vignette", validation_alias="SMTP_FROM_NAME")
+    smtp_starttls: bool = Field(default=True, validation_alias="SMTP_STARTTLS")
+    smtp_ssl: bool = Field(default=False, validation_alias="SMTP_SSL")
+
     # ── CORS (정적 프론트 + SSE 분리경로) ────────────────
     cors_origins: list[str] = Field(
         default=[
@@ -278,9 +300,16 @@ class Settings(BaseSettings):
                 for origin in self.frontend_origin_map.values()
             ):
                 forbidden.append("FRONTEND_ORIGIN_MAP")
+            if self.notification_email_provider == "smtp":
+                if not self.smtp_host.strip():
+                    forbidden.append("SMTP_HOST")
+                if not self.smtp_from_email.strip():
+                    forbidden.append("SMTP_FROM_EMAIL")
             if forbidden:
                 joined = ", ".join(forbidden)
                 raise ValueError(f"{joined} must be production-safe when ENVIRONMENT={self.environment}")
+        if self.smtp_ssl and self.smtp_starttls:
+            raise ValueError("SMTP_SSL and SMTP_STARTTLS cannot both be true")
         if self.auth_saml_enabled:
             missing_saml: list[str] = []
             if not self.saml_sp_entity_id.strip():

apps/api/app/db.py

@@ -151,7 +151,30 @@ async def healthcheck() -> bool:
                   to_regclass('app.admin_engine_config') IS NOT NULL AS has_engine_config,
                   to_regclass('app.admin_health_event') IS NOT NULL AS has_admin_health_event,
                   to_regclass('app.admin_health_daily_rollup') IS NOT NULL AS has_admin_health_daily_rollup,
-                  to_regclass('app.support_ticket') IS NOT NULL AS has_support_ticket
+                  to_regclass('app.support_ticket') IS NOT NULL AS has_support_ticket,
+                  to_regclass('app.notification_event') IS NOT NULL AS has_notification_event,
+                  to_regclass('app.notification_delivery') IS NOT NULL AS has_notification_delivery,
+                  to_regclass('app.sessions') IS NOT NULL AS has_sessions,
+                  to_regclass('app.turns') IS NOT NULL AS has_turns,
+                  to_regclass('app.session_review_status') IS NOT NULL AS has_session_review_status,
+                  EXISTS (
+                    SELECT 1 FROM information_schema.columns
+                    WHERE table_schema = 'app'
+                      AND table_name = 'turns'
+                      AND column_name = 'provider_events'
+                  ) AS has_turn_provider_events,
+                  EXISTS (
+                    SELECT 1 FROM information_schema.columns
+                    WHERE table_schema = 'app'
+                      AND table_name = 'session_review_status'
+                      AND column_name IN (
+                        'worksheet_status',
+                        'worksheet_note',
+                        'worksheet_reviewed_at'
+                      )
+                    GROUP BY table_schema, table_name
+                    HAVING count(*) = 3
+                  ) AS has_session_review_worksheet_columns
                 """
             )
             return bool(
@@ -163,6 +186,13 @@ async def healthcheck() -> bool:
                 and row["has_admin_health_event"]
                 and row["has_admin_health_daily_rollup"]
                 and row["has_support_ticket"]
+                and row["has_notification_event"]
+                and row["has_notification_delivery"]
+                and row["has_sessions"]
+                and row["has_turns"]
+                and row["has_session_review_status"]
+                and row["has_turn_provider_events"]
+                and row["has_session_review_worksheet_columns"]
             )
     except Exception:
         return False

apps/api/app/main.py

@@ -31,6 +31,7 @@ from .routes import share as share_routes
 from .routes import teacher as teacher_routes
 from .routes import users as user_routes
 from .routes import voice as voice_routes
+from .services.notifications import ensure_notification_tables
 from .services.voice import voice_service
 
 
@@ -44,6 +45,7 @@ async def lifespan(app: FastAPI):
         await init_pool()
         await ensure_runtime_tables()
         await ensure_review_tables()
+        await ensure_notification_tables()
         if settings.auto_seed_personas:
             await materialize_seed_personas()
         await admin_routes.apply_engine_config_from_store()

apps/api/app/routes/admin.py

@@ -31,7 +31,7 @@ from ..deps import Principal, require_admin_access
 from ..engine_client import engine_client
 from ..runtime_policy import require_runtime_fallback_allowed
 from ..services.voice import voice_service
-from ..services import evaluator, rag
+from ..services import evaluator, notifications, rag
 from ..store import store
 
 router = APIRouter(prefix="/admin", tags=["admin"])
@@ -49,6 +49,7 @@ TicketCategory = Literal[
 ]
 TicketPriority = Literal["low", "normal", "high", "urgent"]
 TicketStatus = Literal["open", "triaged", "in_progress", "resolved", "closed"]
+NotificationDeliveryStatus = Literal["queued", "sending", "sent", "failed", "skipped"]
 
 
 class AdminServiceHealth(BaseModel):
@@ -258,6 +259,46 @@ class AdminUserPatch(BaseModel):
     cohort_ids: list[str] | None = None
 
 
+class AdminNotificationDeliveryResponse(BaseModel):
+    id: str
+    event_id: str
+    kind: str
+    recipient_email: str
+    recipient_name: str
+    recipient_role: str
+    subject: str
+    status: NotificationDeliveryStatus
+    attempts: int
+    last_error: str | None = None
+    provider_message_id: str | None = None
+    created_at: float | None = None
+    updated_at: float | None = None
+    sent_at: float | None = None
+
+
+class AdminNotificationsResponse(BaseModel):
+    provider: str
+    smtp_configured: bool
+    queued: int
+    failed: int
+    sent: int
+    skipped: int
+    deliveries: list[AdminNotificationDeliveryResponse]
+
+
+class AdminNotificationProcessResponse(BaseModel):
+    processed: int
+    sent: int
+    failed: int
+    skipped: int
+
+
+class AdminNotificationTestResponse(AdminNotificationProcessResponse):
+    provider: str
+    smtp_configured: bool
+    recipients: int
+
+
 class RuntimeHealthMetrics(BaseModel):
     engine_latency_ms: float | None = None
     db_pool_size: int = 0
@@ -1009,6 +1050,25 @@ def _row_value(row, key: str, default=None):
         return default
 
 
+def _notification_delivery_response(row) -> AdminNotificationDeliveryResponse:
+    return AdminNotificationDeliveryResponse(
+        id=str(row["id"]),
+        event_id=str(row["event_id"]),
+        kind=str(row["kind"]),
+        recipient_email=str(row["recipient_email"]),
+        recipient_name=str(row["recipient_name"] or ""),
+        recipient_role=str(row["recipient_role"] or ""),
+        subject=str(row["subject"] or ""),
+        status=row["status"],
+        attempts=int(row["attempts"] or 0),
+        last_error=str(row["last_error"] or "") or None,
+        provider_message_id=str(row["provider_message_id"] or "") or None,
+        created_at=_row_ts(row["created_at"]),
+        updated_at=_row_ts(row["updated_at"]),
+        sent_at=_row_ts(row["sent_at"]),
+    )
+
+
 def _engine_config_from_row(row) -> AdminEngineConfigResponse:
     return AdminEngineConfigResponse(
         engine_mode=_normalize_engine_mode(row["engine_mode"]),
@@ -1456,6 +1516,101 @@ async def list_tickets(
         return _unavailable_tickets()
 
 
+@router.get("/notifications", response_model=AdminNotificationsResponse)
+async def list_notifications(
+    principal: AdminPrincipal,
+    limit: Annotated[int, Query(ge=1, le=200)] = 50,
+) -> AdminNotificationsResponse:
+    """Return recent operational email delivery state."""
+    try:
+        get_pool()
+        async with acquire(role="admin") as conn:
+            status_rows = await conn.fetch(
+                """
+                SELECT status, COUNT(*) AS count
+                FROM app.notification_delivery
+                GROUP BY status
+                """
+            )
+            rows = await conn.fetch(
+                """
+                SELECT
+                  d.id,
+                  d.event_id,
+                  e.kind,
+                  d.recipient_email,
+                  d.recipient_name,
+                  d.recipient_role,
+                  d.subject,
+                  d.status,
+                  d.attempts,
+                  d.last_error,
+                  d.provider_message_id,
+                  d.created_at,
+                  d.updated_at,
+                  d.sent_at
+                FROM app.notification_delivery d
+                JOIN app.notification_event e ON e.id = d.event_id
+                ORDER BY d.created_at DESC
+                LIMIT $1
+                """,
+                limit,
+            )
+    except Exception:
+        require_runtime_fallback_allowed("admin notifications")
+        status_rows = []
+        rows = []
+    counts = {str(row["status"]): int(row["count"] or 0) for row in status_rows}
+    return AdminNotificationsResponse(
+        provider=settings.notification_email_provider,
+        smtp_configured=bool(settings.smtp_host and settings.smtp_from_email),
+        queued=counts.get("queued", 0),
+        failed=counts.get("failed", 0),
+        sent=counts.get("sent", 0),
+        skipped=counts.get("skipped", 0),
+        deliveries=[_notification_delivery_response(row) for row in rows],
+    )
+
+
+@router.post("/notifications/process", response_model=AdminNotificationProcessResponse)
+async def process_notifications(
+    principal: AdminPrincipal,
+    limit: Annotated[int, Query(ge=1, le=100)] = 25,
+) -> AdminNotificationProcessResponse:
+    """Drain queued email notifications once from the admin console/API."""
+    try:
+        result = await notifications.process_queued_email_notifications(limit=limit)
+    except Exception:
+        require_runtime_fallback_allowed("admin notification processing")
+        result = {"processed": 0, "sent": 0, "failed": 0, "skipped": 0}
+    return AdminNotificationProcessResponse(**result)
+
+
+@router.post("/notifications/test", response_model=AdminNotificationTestResponse)
+async def send_test_notification(
+    principal: AdminPrincipal,
+) -> AdminNotificationTestResponse:
+    """Queue and process one explicit admin email test."""
+    recipient_count = 0
+    try:
+        recipient_count = await notifications.enqueue_admin_test_email(
+            actor_user_id=principal.user_id,
+            actor_email=principal.email,
+        )
+        result = await notifications.process_queued_email_notifications(
+            limit=max(1, min(100, recipient_count or 1))
+        )
+    except Exception:
+        require_runtime_fallback_allowed("admin notification test")
+        result = {"processed": 0, "sent": 0, "failed": 0, "skipped": 0}
+    return AdminNotificationTestResponse(
+        provider=settings.notification_email_provider,
+        smtp_configured=bool(settings.smtp_host and settings.smtp_from_email),
+        recipients=recipient_count,
+        **result,
+    )
+
+
 @router.patch("/tickets/{ticket_id}", response_model=AdminSupportTicketResponse)
 async def patch_ticket(
     ticket_id: str,

apps/api/app/routes/sessions.py

@@ -31,6 +31,7 @@ from ..services import (
     guardrail,
     live_coach,
     memory,
+    notifications,
     orchestrator,
     rag,
     session_digest_worker,
@@ -437,7 +438,7 @@ async def _warm_rag_caches(session_id: str, case_id: str, card) -> None:
 def _ensure_learner(principal: Principal) -> Principal:
     if principal.role == Role.LEARNER:
         return principal
-    if principal.super_admin:
+    if principal.can_access_role(Role.LEARNER):
         return principal.with_role(Role.LEARNER)
     raise HTTPException(status.HTTP_403_FORBIDDEN, detail="only learners can use sessions")
 
@@ -654,15 +655,17 @@ async def _generate_and_save_session_evaluation(sess: InProcSession) -> None:
             ),
             timeout=min(float(settings.engine_timeout), 45.0),
         )
-        await session_persistence.save_session_evaluation(
+        saved = await session_persistence.save_session_evaluation(
             session_persistence.SessionEvaluationWrite.from_result(
                 session_id=sess.session_id,
                 learner_id=sess.learner_id,
                 result=result,
             )
         )
+        if saved:
+            await _enqueue_session_review_ready_notification(sess.session_id)
     except Exception as exc:
-        await session_persistence.save_session_evaluation(
+        saved = await session_persistence.save_session_evaluation(
             session_persistence.SessionEvaluationWrite.from_error(
                 session_id=sess.session_id,
                 learner_id=sess.learner_id,
@@ -671,6 +674,15 @@ async def _generate_and_save_session_evaluation(sess: InProcSession) -> None:
                 error=str(exc),
             )
         )
+        if saved:
+            await _enqueue_session_review_ready_notification(sess.session_id)
+
+
+async def _enqueue_session_review_ready_notification(session_id: str) -> None:
+    try:
+        await notifications.enqueue_session_review_ready(session_id=session_id)
+    except Exception as exc:
+        logger.warning("session review notification enqueue failed: %s", exc)
 
 
 def _schedule_session_evaluation(sess: InProcSession) -> None:

apps/api/app/routes/users.py

@@ -185,6 +185,7 @@ class NotificationPreferences(BaseModel):
     session_done: bool = True
     safety_signal: bool = True
     learner_progress: bool = False
+    account_approval: bool = True
     product_news: bool = False
 
 
@@ -580,7 +581,7 @@ async def complete_onboarding(
 
     principal.display_name = updated.display_name
     principal.profile_completed_at = updated.profile_completed_at
-    if (principal.role == Role.LEARNER or principal.super_admin) and principal.consent_at is None:
+    if principal.can_access_role(Role.LEARNER) and principal.consent_at is None:
         principal.consent_at = await record_user_consent(principal.user_id)
     return await _profile_for(principal)
 

apps/api/app/services/notifications.py

@@ -0,0 +1,744 @@
+"""Operational email notifications for review and account-approval work."""
+
+from __future__ import annotations
+
+import asyncio
+import html
+import logging
+import smtplib
+import ssl
+from dataclasses import dataclass
+from email.message import EmailMessage
+from email.utils import formataddr, make_msgid
+from typing import Any, Literal
+from uuid import uuid4
+
+from ..config import settings
+from ..db import acquire, get_pool
+
+logger = logging.getLogger(__name__)
+
+NotificationKind = Literal["account_pending_approval", "session_review_ready", "admin_test_email"]
+
+
+@dataclass(slots=True)
+class NotificationRecipient:
+    user_id: str | None
+    email: str
+    display_name: str
+    role: str
+
+
+@dataclass(slots=True)
+class RenderedEmail:
+    subject: str
+    preheader: str
+    html: str
+    text: str
+
+
+async def ensure_notification_tables() -> None:
+    """Create notification queue tables when the DB role allows DDL."""
+    get_pool()
+    async with acquire(role="admin") as conn:
+        await conn.execute(
+            """
+            CREATE TABLE IF NOT EXISTS app.notification_event (
+              id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+              kind TEXT NOT NULL CHECK (
+                kind IN ('account_pending_approval','session_review_ready','admin_test_email')
+              ),
+              actor_user_id UUID REFERENCES app.app_user(user_id) ON DELETE SET NULL,
+              subject_user_id UUID REFERENCES app.app_user(user_id) ON DELETE SET NULL,
+              session_id UUID REFERENCES app.sessions(id) ON DELETE CASCADE,
+              idempotency_key TEXT NOT NULL UNIQUE,
+              payload JSONB NOT NULL DEFAULT '{}'::jsonb,
+              created_at TIMESTAMPTZ NOT NULL DEFAULT now()
+            )
+            """
+        )
+        await conn.execute(
+            """
+            CREATE TABLE IF NOT EXISTS app.notification_delivery (
+              id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+              event_id UUID NOT NULL REFERENCES app.notification_event(id) ON DELETE CASCADE,
+              channel TEXT NOT NULL DEFAULT 'email' CHECK (channel IN ('email')),
+              recipient_user_id UUID REFERENCES app.app_user(user_id) ON DELETE SET NULL,
+              recipient_email TEXT NOT NULL,
+              recipient_name TEXT NOT NULL DEFAULT '',
+              recipient_role TEXT NOT NULL DEFAULT '',
+              subject TEXT NOT NULL,
+              status TEXT NOT NULL DEFAULT 'queued' CHECK (
+                status IN ('queued','sending','sent','failed','skipped')
+              ),
+              attempts INTEGER NOT NULL DEFAULT 0,
+              next_attempt_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+              sent_at TIMESTAMPTZ,
+              last_error TEXT,
+              provider_message_id TEXT,
+              created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+              updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+              UNIQUE (event_id, channel, recipient_email)
+            )
+            """
+        )
+        await conn.execute(
+            """
+            ALTER TABLE app.notification_event
+              DROP CONSTRAINT IF EXISTS notification_event_kind_check;
+            ALTER TABLE app.notification_event
+              ADD CONSTRAINT notification_event_kind_check
+              CHECK (kind IN ('account_pending_approval','session_review_ready','admin_test_email'));
+            """
+        )
+        await conn.execute(
+            """
+            CREATE INDEX IF NOT EXISTS idx_notification_event_created
+              ON app.notification_event(created_at DESC);
+            CREATE INDEX IF NOT EXISTS idx_notification_delivery_queue
+              ON app.notification_delivery(status, next_attempt_at, created_at)
+              WHERE status IN ('queued','failed');
+            CREATE INDEX IF NOT EXISTS idx_notification_delivery_event
+              ON app.notification_delivery(event_id, created_at);
+            """
+        )
+        await conn.execute(
+            """
+            ALTER TABLE app.notification_event ENABLE ROW LEVEL SECURITY;
+            ALTER TABLE app.notification_delivery ENABLE ROW LEVEL SECURITY;
+
+            DROP POLICY IF EXISTS p_notification_event_admin_all ON app.notification_event;
+            DROP POLICY IF EXISTS p_notification_delivery_admin_all ON app.notification_delivery;
+
+            CREATE POLICY p_notification_event_admin_all
+              ON app.notification_event FOR ALL
+              USING (app.current_role_name() = 'admin')
+              WITH CHECK (app.current_role_name() = 'admin');
+            CREATE POLICY p_notification_delivery_admin_all
+              ON app.notification_delivery FOR ALL
+              USING (app.current_role_name() = 'admin')
+              WITH CHECK (app.current_role_name() = 'admin');
+            """
+        )
+
+
+def schedule_delivery_flush() -> None:
+    """Best-effort background drain; failed SMTP remains queued for a worker."""
+    if settings.notification_email_provider == "disabled":
+        return
+    try:
+        asyncio.get_running_loop().create_task(process_queued_email_notifications(limit=10))
+    except RuntimeError:
+        return
+
+
+async def enqueue_account_pending_approval(
+    *,
+    user_id: str,
+    email: str,
+    display_name: str,
+    role: str,
+) -> None:
+    """Notify administrators that a newly signed-in account needs approval."""
+    if not user_id or not email:
+        return
+    payload = {
+        "user_id": user_id,
+        "email": email,
+        "display_name": display_name or email,
+        "role": role,
+        "approval_url": _frontend_url("/admin/users"),
+    }
+    recipients = await _admin_approval_recipients()
+    await _enqueue_event(
+        kind="account_pending_approval",
+        idempotency_key=f"account_pending_approval:{user_id}",
+        subject_user_id=user_id,
+        session_id=None,
+        payload=payload,
+        recipients=recipients,
+    )
+    schedule_delivery_flush()
+
+
+async def enqueue_session_review_ready(*, session_id: str) -> None:
+    """Notify assigned teachers/admins that an ended session is ready to review."""
+    if not session_id:
+        return
+    payload, recipients = await _session_review_payload_and_recipients(session_id)
+    if payload is None:
+        return
+    await _enqueue_event(
+        kind="session_review_ready",
+        idempotency_key=f"session_review_ready:{session_id}",
+        subject_user_id=str(payload.get("learner_id") or "") or None,
+        session_id=session_id,
+        payload=payload,
+        recipients=recipients,
+    )
+    schedule_delivery_flush()
+
+
+async def enqueue_admin_test_email(
+    *,
+    actor_user_id: str | None = None,
+    actor_email: str = "",
+) -> int:
+    """Queue one explicit admin test email through the normal delivery path."""
+    payload = {
+        "requested_by": actor_email,
+        "notifications_url": _frontend_url("/admin"),
+    }
+    recipients = await _admin_approval_recipients()
+    await _enqueue_event(
+        kind="admin_test_email",
+        idempotency_key=f"admin_test_email:{uuid4()}",
+        subject_user_id=actor_user_id,
+        session_id=None,
+        payload=payload,
+        recipients=recipients,
+    )
+    schedule_delivery_flush()
+    return len(recipients)
+
+
+async def process_queued_email_notifications(*, limit: int = 25) -> dict[str, int]:
+    """Send queued email deliveries and record durable delivery state."""
+    get_pool()
+    processed = 0
+    sent = 0
+    failed = 0
+    skipped = 0
+
+    async with acquire(role="admin") as conn:
+        rows = await conn.fetch(
+            """
+            SELECT
+              d.id,
+              d.recipient_email,
+              d.recipient_name,
+              d.attempts,
+              e.kind,
+              e.payload
+            FROM app.notification_delivery d
+            JOIN app.notification_event e ON e.id = d.event_id
+            WHERE d.channel = 'email'
+              AND d.status IN ('queued','failed')
+              AND d.next_attempt_at <= now()
+              AND d.attempts < $1
+            ORDER BY d.created_at
+            LIMIT $2
+            """,
+            settings.notification_email_max_attempts,
+            limit,
+        )
+
+    for row in rows:
+        delivery_id = str(row["id"])
+        processed += 1
+        await _mark_delivery_sending(delivery_id)
+        rendered = render_email(row["kind"], row["payload"] or {})
+        try:
+            provider_id = await asyncio.to_thread(
+                _send_rendered_email,
+                recipient_email=str(row["recipient_email"]),
+                recipient_name=str(row["recipient_name"] or ""),
+                rendered=rendered,
+            )
+        except NotificationSkipped as exc:
+            skipped += 1
+            await _mark_delivery_skipped(delivery_id, str(exc))
+        except Exception as exc:  # SMTP/library errors should not break app flows.
+            failed += 1
+            await _mark_delivery_failed(delivery_id, str(exc))
+        else:
+            sent += 1
+            await _mark_delivery_sent(delivery_id, provider_id)
+
+    return {"processed": processed, "sent": sent, "failed": failed, "skipped": skipped}
+
+
+def render_email(kind: str, payload: dict[str, Any]) -> RenderedEmail:
+    if kind == "account_pending_approval":
+        return _render_account_pending_approval(payload)
+    if kind == "session_review_ready":
+        return _render_session_review_ready(payload)
+    if kind == "admin_test_email":
+        return _render_admin_test_email(payload)
+    raise ValueError(f"unsupported notification kind: {kind}")
+
+
+async def _enqueue_event(
+    *,
+    kind: NotificationKind,
+    idempotency_key: str,
+    subject_user_id: str | None,
+    session_id: str | None,
+    payload: dict[str, Any],
+    recipients: list[NotificationRecipient],
+) -> None:
+    if not recipients:
+        logger.warning("notification %s has no recipients", idempotency_key)
+    get_pool()
+    rendered = render_email(kind, payload)
+    async with acquire(role="admin") as conn:
+        row = await conn.fetchrow(
+            """
+            INSERT INTO app.notification_event (
+              kind, subject_user_id, session_id, idempotency_key, payload
+            )
+            VALUES ($1, $2::uuid, $3::uuid, $4, $5::jsonb)
+            ON CONFLICT (idempotency_key) DO UPDATE SET
+              payload = app.notification_event.payload
+            RETURNING id
+            """,
+            kind,
+            subject_user_id,
+            session_id,
+            idempotency_key,
+            payload,
+        )
+        if row is None:
+            return
+        event_id = str(row["id"])
+        for recipient in recipients:
+            await conn.execute(
+                """
+                INSERT INTO app.notification_delivery (
+                  event_id, recipient_user_id, recipient_email, recipient_name,
+                  recipient_role, subject
+                )
+                VALUES ($1::uuid, $2::uuid, $3, $4, $5, $6)
+                ON CONFLICT (event_id, channel, recipient_email) DO NOTHING
+                """,
+                event_id,
+                recipient.user_id,
+                recipient.email,
+                recipient.display_name,
+                recipient.role,
+                rendered.subject,
+            )
+
+
+async def _admin_approval_recipients() -> list[NotificationRecipient]:
+    super_admin_emails = sorted({_normalize_email(value) for value in settings.auth_super_admin_emails})
+    async with acquire(role="admin") as conn:
+        rows = await conn.fetch(
+            """
+            SELECT DISTINCT
+              u.user_id,
+              u.email,
+              COALESCE(NULLIF(u.display_name, ''), u.email) AS display_name,
+              u.role
+            FROM app.app_user u
+            LEFT JOIN app.user_preferences p ON p.user_id = u.user_id
+            WHERE u.is_active
+              AND u.account_status = 'approved'
+              AND u.email IS NOT NULL
+              AND u.email <> ''
+              AND (
+                u.role = 'admin'
+                OR u.admin_access
+                OR lower(u.email) = ANY($1::text[])
+              )
+              AND COALESCE((p.notifications->>'account_approval')::boolean, true)
+            ORDER BY u.email
+            """,
+            super_admin_emails,
+        )
+    return [_recipient_from_row(row) for row in rows]
+
+
+async def _session_review_payload_and_recipients(
+    session_id: str,
+) -> tuple[dict[str, Any] | None, list[NotificationRecipient]]:
+    super_admin_emails = sorted({_normalize_email(value) for value in settings.auth_super_admin_emails})
+    async with acquire(role="admin") as conn:
+        session = await conn.fetchrow(
+            """
+            SELECT
+              s.id,
+              s.session_no,
+              s.ended_at,
+              s.learner_id,
+              s.persona_id,
+              learner.email AS learner_email,
+              COALESCE(NULLIF(learner.display_name, ''), learner.email, '학습자') AS learner_label,
+              learner.cohort AS learner_cohort,
+              COALESCE(NULLIF(pc.display_name, ''), s.persona_id::text) AS persona_name
+            FROM app.sessions s
+            LEFT JOIN app.app_user learner ON learner.user_id = s.learner_id
+            LEFT JOIN app.persona_card pc
+              ON pc.persona_id = s.persona_id
+             AND pc.version = s.persona_version
+            WHERE s.id = $1::uuid
+              AND s.ended_at IS NOT NULL
+            """,
+            session_id,
+        )
+        if session is None:
+            return None, []
+        learner_cohort = str(session["learner_cohort"] or "")
+        rows = await conn.fetch(
+            """
+            SELECT DISTINCT
+              u.user_id,
+              u.email,
+              COALESCE(NULLIF(u.display_name, ''), u.email) AS display_name,
+              u.role
+            FROM app.app_user u
+            LEFT JOIN app.user_preferences p ON p.user_id = u.user_id
+            WHERE u.is_active
+              AND u.account_status = 'approved'
+              AND u.email IS NOT NULL
+              AND u.email <> ''
+              AND (
+                u.role = 'admin'
+                OR lower(u.email) = ANY($1::text[])
+                OR (
+                  u.role = 'instructor'
+                  AND ($2 = '' OR u.cohort = $2)
+                )
+              )
+              AND COALESCE((p.notifications->>'learner_progress')::boolean, true)
+            ORDER BY u.email
+            """,
+            super_admin_emails,
+            learner_cohort,
+        )
+    payload = {
+        "session_id": str(session["id"]),
+        "session_no": int(session["session_no"] or 0),
+        "ended_at": _iso_text(session["ended_at"]),
+        "learner_id": str(session["learner_id"] or ""),
+        "learner_email": str(session["learner_email"] or ""),
+        "learner_label": str(session["learner_label"] or "학습자"),
+        "learner_cohort": learner_cohort,
+        "persona_id": str(session["persona_id"] or ""),
+        "persona_name": str(session["persona_name"] or "내담자"),
+        "review_url": _frontend_url(f"/teach/session/{session_id}/review"),
+    }
+    return payload, [_recipient_from_row(row) for row in rows]
+
+
+def _send_rendered_email(
+    *,
+    recipient_email: str,
+    recipient_name: str,
+    rendered: RenderedEmail,
+) -> str:
+    if settings.notification_email_provider == "disabled":
+        raise NotificationSkipped("email provider is disabled")
+    if settings.notification_email_provider != "smtp":
+        raise NotificationSkipped(f"unsupported provider: {settings.notification_email_provider}")
+    if not settings.smtp_host.strip() or not settings.smtp_from_email.strip():
+        raise NotificationSkipped("SMTP host/from email is not configured")
+
+    message_id = make_msgid(domain=_message_id_domain(settings.smtp_from_email))
+    msg = EmailMessage()
+    msg["Subject"] = rendered.subject
+    msg["From"] = formataddr((settings.smtp_from_name, settings.smtp_from_email))
+    msg["To"] = formataddr((recipient_name, recipient_email))
+    msg["Message-ID"] = message_id
+    msg.set_content(rendered.text)
+    msg.add_alternative(rendered.html, subtype="html")
+
+    if settings.smtp_ssl:
+        context = ssl.create_default_context()
+        with smtplib.SMTP_SSL(settings.smtp_host, settings.smtp_port, context=context, timeout=15) as smtp:
+            _smtp_login_if_needed(smtp)
+            smtp.send_message(msg)
+    else:
+        with smtplib.SMTP(settings.smtp_host, settings.smtp_port, timeout=15) as smtp:
+            if settings.smtp_starttls:
+                smtp.starttls(context=ssl.create_default_context())
+            _smtp_login_if_needed(smtp)
+            smtp.send_message(msg)
+    return message_id
+
+
+def _smtp_login_if_needed(smtp: smtplib.SMTP) -> None:
+    if settings.smtp_username:
+        smtp.login(settings.smtp_username, settings.smtp_password)
+
+
+async def _mark_delivery_sending(delivery_id: str) -> None:
+    async with acquire(role="admin") as conn:
+        await conn.execute(
+            """
+            UPDATE app.notification_delivery
+            SET status = 'sending',
+                attempts = attempts + 1,
+                updated_at = now()
+            WHERE id = $1::uuid
+            """,
+            delivery_id,
+        )
+
+
+async def _mark_delivery_sent(delivery_id: str, provider_id: str) -> None:
+    async with acquire(role="admin") as conn:
+        await conn.execute(
+            """
+            UPDATE app.notification_delivery
+            SET status = 'sent',
+                sent_at = now(),
+                last_error = NULL,
+                provider_message_id = $2,
+                updated_at = now()
+            WHERE id = $1::uuid
+            """,
+            delivery_id,
+            provider_id,
+        )
+
+
+async def _mark_delivery_skipped(delivery_id: str, reason: str) -> None:
+    async with acquire(role="admin") as conn:
+        await conn.execute(
+            """
+            UPDATE app.notification_delivery
+            SET status = 'skipped',
+                last_error = $2,
+                updated_at = now()
+            WHERE id = $1::uuid
+            """,
+            delivery_id,
+            reason[:1000],
+        )
+
+
+async def _mark_delivery_failed(delivery_id: str, error: str) -> None:
+    async with acquire(role="admin") as conn:
+        await conn.execute(
+            """
+            UPDATE app.notification_delivery
+            SET status = 'failed',
+                last_error = $2,
+                next_attempt_at = now() + ($3::text || ' seconds')::interval,
+                updated_at = now()
+            WHERE id = $1::uuid
+            """,
+            delivery_id,
+            error[:1000],
+            settings.notification_email_retry_seconds,
+        )
+
+
+def _render_account_pending_approval(payload: dict[str, Any]) -> RenderedEmail:
+    display_name = str(payload.get("display_name") or payload.get("email") or "신규 사용자")
+    email = str(payload.get("email") or "")
+    role = _role_label(str(payload.get("role") or "learner"))
+    approval_url = str(payload.get("approval_url") or _frontend_url("/admin/users"))
+    subject = "[Vignette] 새 가입 승인 요청이 있습니다"
+    preheader = "승인 대기 중인 신규 사용자가 있습니다."
+    html_body = f"""
+      <p style="margin:0 0 20px;font-size:15px;line-height:1.7;color:#5a6663;">
+        승인 대기 중인 신규 사용자가 있습니다. 가입 승인 화면에서 수업 또는 연구 참여 범위를 확인한 뒤 승인 상태를 결정해 주세요.
+      </p>
+      {_info_box([
+          ("사용자", display_name),
+          ("이메일", email),
+          ("요청 역할", role),
+      ])}
+      {_button("가입 승인 확인하기", approval_url)}
+      <p style="margin:24px 0 0;font-size:12px;line-height:1.6;color:#93a09c;">
+        계정 승인 전까지 해당 사용자는 Vignette 대기 화면만 볼 수 있습니다.
+      </p>
+    """
+    html_doc = _email_shell(
+        kicker="관리자 알림",
+        title="새 가입 승인 요청이 있습니다.",
+        preheader=preheader,
+        body=html_body,
+    )
+    text = (
+        "Vignette 관리자 알림\n\n"
+        "새 가입 승인 요청이 있습니다.\n"
+        f"사용자: {display_name}\n"
+        f"이메일: {email}\n"
+        f"요청 역할: {role}\n\n"
+        f"가입 승인 확인하기: {approval_url}\n"
+    )
+    return RenderedEmail(subject=subject, preheader=preheader, html=html_doc, text=text)
+
+
+def _render_session_review_ready(payload: dict[str, Any]) -> RenderedEmail:
+    learner_label = str(payload.get("learner_label") or "학습자")
+    persona_name = str(payload.get("persona_name") or "내담자")
+    session_no = str(payload.get("session_no") or "")
+    ended_at = str(payload.get("ended_at") or "")
+    review_url = str(payload.get("review_url") or _frontend_url("/teach"))
+    subject = "[Vignette] 검토할 회기가 있습니다"
+    preheader = "종료된 학습 회기를 확인하고 검토 상태를 남겨 주세요."
+    html_body = f"""
+      <p style="margin:0 0 20px;font-size:15px;line-height:1.7;color:#5a6663;">
+        종료된 학습 회기가 교수자 검토 대기 상태입니다. 회기 리뷰 화면에서 요약과 근거를 확인한 뒤 검토 상태를 남겨 주세요.
+      </p>
+      {_info_box([
+          ("학습자", learner_label),
+          ("내담자", persona_name),
+          ("회기", f"{session_no}회기" if session_no else "종료 회기"),
+          ("종료 시각", ended_at or "기록됨"),
+      ])}
+      {_button("회기 검토하기", review_url)}
+      <p style="margin:24px 0 0;font-size:12px;line-height:1.6;color:#93a09c;">
+        민감한 회기 내용은 메일에 포함하지 않았습니다. 로그인 후 Vignette에서 확인해 주세요.
+      </p>
+    """
+    html_doc = _email_shell(
+        kicker="교수자 검토 알림",
+        title="검토할 회기가 있습니다.",
+        preheader=preheader,
+        body=html_body,
+    )
+    text = (
+        "Vignette 교수자 검토 알림\n\n"
+        "검토할 회기가 있습니다.\n"
+        f"학습자: {learner_label}\n"
+        f"내담자: {persona_name}\n"
+        f"회기: {session_no}회기\n"
+        f"종료 시각: {ended_at}\n\n"
+        f"회기 검토하기: {review_url}\n"
+        "\n민감한 회기 내용은 메일에 포함하지 않았습니다.\n"
+    )
+    return RenderedEmail(subject=subject, preheader=preheader, html=html_doc, text=text)
+
+
+def _render_admin_test_email(payload: dict[str, Any]) -> RenderedEmail:
+    requested_by = str(payload.get("requested_by") or "관리자")
+    notifications_url = str(payload.get("notifications_url") or _frontend_url("/admin"))
+    subject = "[Vignette] 메일 알림 테스트입니다"
+    preheader = "관리자 메일 알림 경로가 정상적으로 연결되었는지 확인합니다."
+    html_body = f"""
+      <p style="margin:0 0 20px;font-size:15px;line-height:1.7;color:#5a6663;">
+        관리자 메일 알림이 정상적으로 연결되었습니다. 이 메일은 실제 가입 승인이나 회기 검토 요청이 아니라 발송 경로 확인용 테스트입니다.
+      </p>
+      {_info_box([
+          ("요청자", requested_by),
+          ("용도", "운영 메일 발송 테스트"),
+      ])}
+      {_button("알림 상태 확인하기", notifications_url)}
+      <p style="margin:24px 0 0;font-size:12px;line-height:1.6;color:#93a09c;">
+        이후 가입 승인 요청과 회기 검토 요청도 같은 메일 템플릿과 발송 큐를 사용합니다.
+      </p>
+    """
+    html_doc = _email_shell(
+        kicker="관리자 테스트 알림",
+        title="메일 알림 테스트입니다.",
+        preheader=preheader,
+        body=html_body,
+    )
+    text = (
+        "Vignette 관리자 테스트 알림\n\n"
+        "메일 알림 테스트입니다.\n"
+        "관리자 메일 알림이 정상적으로 연결되었습니다.\n"
+        f"요청자: {requested_by}\n\n"
+        f"알림 상태 확인하기: {notifications_url}\n"
+    )
+    return RenderedEmail(subject=subject, preheader=preheader, html=html_doc, text=text)
+
+
+def _email_shell(*, kicker: str, title: str, preheader: str, body: str) -> str:
+    return f"""<!doctype html>
+<html lang="ko">
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>{_h(title)}</title>
+  </head>
+  <body style="margin:0;background:#fbfaf8;font-family:Pretendard,-apple-system,BlinkMacSystemFont,'Apple SD Gothic Neo','Noto Sans KR',sans-serif;color:#1c2a2a;">
+    <span style="display:none!important;visibility:hidden;opacity:0;color:transparent;height:0;width:0;overflow:hidden;">{_h(preheader)}</span>
+    <div style="max-width:640px;margin:0 auto;padding:32px 20px;">
+      <div style="font-size:14px;font-weight:800;color:#3e7a6e;margin-bottom:16px;letter-spacing:0;">Vignette</div>
+      <section style="background:#ffffff;border:1px solid #e5e1da;border-radius:8px;padding:28px;box-shadow:0 1px 2px rgba(28,42,42,0.05);">
+        <p style="margin:0 0 8px;font-size:12px;font-weight:800;color:#5a6663;">{_h(kicker)}</p>
+        <h1 style="margin:0 0 14px;font-size:24px;line-height:1.35;color:#1c2a2a;font-weight:800;letter-spacing:0;">{_h(title)}</h1>
+        {body}
+      </section>
+      <p style="margin:16px 0 0;font-size:11px;line-height:1.6;color:#93a09c;">
+        이 메일은 Vignette 운영 알림입니다. 버튼이 열리지 않으면 링크를 복사해 브라우저 주소창에 붙여 넣어 주세요.
+      </p>
+    </div>
+  </body>
+</html>"""
+
+
+def _info_box(items: list[tuple[str, str]]) -> str:
+    rows = "".join(
+        f"""
+        <tr>
+          <td style="padding:5px 0;width:92px;color:#5a6663;font-size:13px;">{_h(label)}</td>
+          <td style="padding:5px 0;color:#1c2a2a;font-size:14px;font-weight:700;">{_h(value)}</td>
+        </tr>
+        """
+        for label, value in items
+        if value
+    )
+    return f"""
+      <div style="background:#eef4f2;border-radius:8px;padding:14px 16px;margin-bottom:24px;">
+        <table role="presentation" cellpadding="0" cellspacing="0" style="width:100%;border-collapse:collapse;">
+          {rows}
+        </table>
+      </div>
+    """
+
+
+def _button(label: str, url: str) -> str:
+    safe_url = _h(url)
+    return f"""
+      <a href="{safe_url}"
+         style="display:inline-block;background:#3e7a6e;color:#fbfaf8;text-decoration:none;border-radius:8px;padding:12px 18px;font-size:14px;font-weight:800;">
+        {_h(label)}
+      </a>
+    """
+
+
+def _frontend_url(path: str) -> str:
+    base = settings.frontend_base_url.rstrip("/") or "http://localhost:5173"
+    suffix = "/" + path.lstrip("/")
+    return f"{base}{suffix}"
+
+
+def _recipient_from_row(row: Any) -> NotificationRecipient:
+    return NotificationRecipient(
+        user_id=str(row["user_id"]) if row["user_id"] else None,
+        email=str(row["email"]),
+        display_name=str(row["display_name"] or row["email"]),
+        role=str(row["role"] or ""),
+    )
+
+
+def _normalize_email(value: str) -> str:
+    return value.strip().lower()
+
+
+def _role_label(value: str) -> str:
+    if value in {"teacher", "instructor"}:
+        return "교수자"
+    if value == "admin":
+        return "관리자"
+    return "학습자"
+
+
+def _iso_text(value: Any) -> str:
+    if value is None:
+        return ""
+    iso = getattr(value, "isoformat", None)
+    if callable(iso):
+        return iso()
+    return str(value)
+
+
+def _message_id_domain(email: str) -> str:
+    if "@" in email:
+        return email.rsplit("@", 1)[1]
+    return "vignette.local"
+
+
+def _h(value: str) -> str:
+    return html.escape(value, quote=True)
+
+
+class NotificationSkipped(RuntimeError):
+    """Raised when a delivery is intentionally not sent."""

apps/api/app/test_auth_providers.py

@@ -8,7 +8,7 @@ from contextlib import contextmanager
 from typing import Any
 from urllib.parse import parse_qs, urlencode, urlsplit
 
-from fastapi import Response
+from fastapi import HTTPException, Response
 from starlette.requests import Request
 from unittest.mock import AsyncMock, patch
 
@@ -17,6 +17,7 @@ from .config import Settings, settings
 from .deps import Principal, Role
 from .routes import admin as admin_routes
 from .routes import auth as auth_routes
+from .routes import sessions as session_routes
 from .saml import inflate_redirect_request
 
 
@@ -355,6 +356,38 @@ class AuthProviderScaffoldTest(unittest.IsolatedAsyncioTestCase):
             hoonjung_role = auth_routes._role_for_email("hoonjungkoo@hs.ac.kr")
             self.assertEqual(hoonjung_role, Role.ADMIN)
 
+    async def test_pending_provider_user_enqueues_account_approval_notification(self) -> None:
+        with (
+            patched_settings(
+                environment="dev",
+                auth_new_user_default_status="pending",
+                auth_super_admin_emails=[],
+                auth_admin_emails=[],
+                auth_teacher_emails=[],
+                auth_approved_emails=[],
+            ),
+            patch.object(auth_sessions, "get_pool", side_effect=RuntimeError("no db")),
+            patch.object(
+                auth_sessions.notifications,
+                "enqueue_account_pending_approval",
+                AsyncMock(),
+            ) as enqueue_approval,
+        ):
+            _, user = await auth_sessions.create_session(
+                email="new-approval@hs.ac.kr",
+                display_name="New Approval",
+                role="learner",
+                external_id="google:new-approval",
+            )
+
+            self.assertEqual(user.account_status, "pending")
+            enqueue_approval.assert_awaited_once_with(
+                user_id=user.user_id,
+                email="new-approval@hs.ac.kr",
+                display_name="New Approval",
+                role="learner",
+            )
+
     async def test_super_admin_can_enter_teacher_and_learner_role_guards(self) -> None:
         principal = Principal(
             user_id="00000000-0000-0000-0000-000000000601",
@@ -373,6 +406,41 @@ class AuthProviderScaffoldTest(unittest.IsolatedAsyncioTestCase):
         self.assertTrue(principal.can_access_role(Role.TEACHER))
         self.assertTrue(principal.can_access_role(Role.ADMIN))
 
+    async def test_admin_role_can_enter_all_role_spaces_without_super_admin(self) -> None:
+        principal = Principal(
+            user_id="00000000-0000-0000-0000-000000000602",
+            role=Role.ADMIN,
+            email="operator@twentyoz.kr",
+            display_name="Operator Admin",
+            admin_access=True,
+            super_admin=False,
+        )
+
+        teacher_checker = deps.require_role(Role.TEACHER)
+        teacher_view = await teacher_checker(principal)
+        learner_view = session_routes._ensure_learner(principal)
+
+        self.assertEqual(teacher_view.role, Role.TEACHER)
+        self.assertEqual(learner_view.role, Role.LEARNER)
+        self.assertTrue(principal.can_access_role(Role.LEARNER))
+        self.assertTrue(principal.can_access_role(Role.TEACHER))
+        self.assertTrue(principal.can_access_role(Role.ADMIN))
+
+    async def test_admin_access_flag_without_admin_role_does_not_enter_learner_space(self) -> None:
+        principal = Principal(
+            user_id="00000000-0000-0000-0000-000000000603",
+            role=Role.TEACHER,
+            email="teacher-admin@hs.ac.kr",
+            display_name="Teacher Admin",
+            admin_access=True,
+            super_admin=False,
+        )
+
+        self.assertTrue(principal.can_access_role(Role.ADMIN))
+        self.assertFalse(principal.can_access_role(Role.LEARNER))
+        with self.assertRaises(HTTPException):
+            session_routes._ensure_learner(principal)
+
     async def test_only_super_admin_can_grant_admin_access(self) -> None:
         with (
             patched_settings(

apps/api/app/test_notifications.py

@@ -0,0 +1,186 @@
+"""Notification email rendering and enqueue trigger tests."""
+
+from __future__ import annotations
+
+import unittest
+from contextlib import contextmanager
+from typing import Any
+from unittest.mock import AsyncMock, patch
+
+from .config import settings
+from .routes import sessions
+from .services import notifications, state_machine
+from .services.persona import P1
+from .store import InProcSession, TurnRecord
+
+
+@contextmanager
+def patched_settings(**values: Any):
+    previous = {key: getattr(settings, key) for key in values}
+    for key, value in values.items():
+        setattr(settings, key, value)
+    try:
+        yield
+    finally:
+        for key, value in previous.items():
+            setattr(settings, key, value)
+
+
+def _ended_session() -> InProcSession:
+    state = state_machine.init_state(params=P1.openness_params())
+    state.stage = state_machine.Stage.EXPLORE
+    return InProcSession(
+        session_id="00000000-0000-0000-0000-00000000e111",
+        case_id="00000000-0000-0000-0000-00000000e111",
+        learner_id="00000000-0000-0000-0000-000000000111",
+        persona_code=P1.code,
+        theory_mode="humanistic",
+        persona=P1,
+        state=state,
+        session_no=1,
+        created_at=1_000.0,
+        ended_at=1_600.0,
+        ended=True,
+        turns=[
+            TurnRecord(
+                turn_seq=1,
+                speaker="counselor",
+                stage=state.stage.value,
+                text="상담자 발화",
+                text_masked="상담자 발화",
+            ),
+            TurnRecord(
+                turn_seq=2,
+                speaker="client",
+                stage=state.stage.value,
+                text="내담자 응답",
+                text_masked="내담자 응답",
+            ),
+        ],
+    )
+
+
+class NotificationEmailTemplateTest(unittest.TestCase):
+    def test_session_review_email_uses_polite_copy_and_direct_review_link(self) -> None:
+        rendered = notifications.render_email(
+            "session_review_ready",
+            {
+                "learner_label": "테스트 학습자",
+                "persona_name": "서연",
+                "session_no": 2,
+                "ended_at": "2026-06-29T09:00:00+09:00",
+                "review_url": "https://vignette.chanpaca.net/teach/session/s1/review",
+                "transcript": "메일에 들어가면 안 되는 축어록",
+            },
+        )
+
+        self.assertEqual(rendered.subject, "[Vignette] 검토할 회기가 있습니다")
+        self.assertIn("검토할 회기가 있습니다.", rendered.html)
+        self.assertIn("회기 검토하기", rendered.html)
+        self.assertIn("https://vignette.chanpaca.net/teach/session/s1/review", rendered.html)
+        self.assertIn("민감한 회기 내용은 메일에 포함하지 않았습니다", rendered.html)
+        self.assertNotIn("메일에 들어가면 안 되는 축어록", rendered.html)
+
+    def test_account_approval_email_links_admin_users(self) -> None:
+        rendered = notifications.render_email(
+            "account_pending_approval",
+            {
+                "display_name": "신규 사용자",
+                "email": "new@hs.ac.kr",
+                "role": "learner",
+                "approval_url": "https://vignette.chanpaca.net/admin/users",
+            },
+        )
+
+        self.assertEqual(rendered.subject, "[Vignette] 새 가입 승인 요청이 있습니다")
+        self.assertIn("새 가입 승인 요청이 있습니다.", rendered.html)
+        self.assertIn("가입 승인 확인하기", rendered.html)
+        self.assertIn("https://vignette.chanpaca.net/admin/users", rendered.html)
+
+    def test_admin_test_email_uses_distinct_test_copy(self) -> None:
+        rendered = notifications.render_email(
+            "admin_test_email",
+            {
+                "requested_by": "admin@hs.ac.kr",
+                "notifications_url": "https://vignette.chanpaca.net/admin",
+            },
+        )
+
+        self.assertEqual(rendered.subject, "[Vignette] 메일 알림 테스트입니다")
+        self.assertIn("메일 알림 테스트입니다.", rendered.html)
+        self.assertIn("발송 경로 확인용 테스트", rendered.html)
+        self.assertIn("알림 상태 확인하기", rendered.html)
+        self.assertIn("https://vignette.chanpaca.net/admin", rendered.html)
+
+    def test_smtp_sender_uses_html_text_parts_and_starttls(self) -> None:
+        rendered = notifications.render_email(
+            "session_review_ready",
+            {
+                "learner_label": "테스트 학습자",
+                "persona_name": "서연",
+                "session_no": 1,
+                "review_url": "https://vignette.chanpaca.net/teach/session/s1/review",
+            },
+        )
+
+        with (
+            patched_settings(
+                notification_email_provider="smtp",
+                smtp_host="smtp.example.test",
+                smtp_port=587,
+                smtp_username="mailer",
+                smtp_password="secret",
+                smtp_from_email="no-reply@example.test",
+                smtp_from_name="Vignette",
+                smtp_starttls=True,
+                smtp_ssl=False,
+            ),
+            patch.object(notifications.smtplib, "SMTP") as smtp_class,
+        ):
+            smtp = smtp_class.return_value.__enter__.return_value
+            provider_id = notifications._send_rendered_email(
+                recipient_email="teacher@hs.ac.kr",
+                recipient_name="교수자",
+                rendered=rendered,
+            )
+
+        self.assertIn("@example.test>", provider_id)
+        smtp_class.assert_called_once_with("smtp.example.test", 587, timeout=15)
+        smtp.starttls.assert_called_once()
+        smtp.login.assert_called_once_with("mailer", "secret")
+        smtp.send_message.assert_called_once()
+        message = smtp.send_message.call_args.args[0]
+        self.assertEqual(message["Subject"], "[Vignette] 검토할 회기가 있습니다")
+        self.assertIn("teacher@hs.ac.kr", message["To"])
+        self.assertTrue(message.is_multipart())
+
+
+class NotificationTriggerTest(unittest.IsolatedAsyncioTestCase):
+    async def test_failed_session_evaluation_still_enqueues_teacher_review_notification(self) -> None:
+        sess = _ended_session()
+
+        with (
+            patch.object(
+                sessions.evaluator,
+                "evaluate_session",
+                AsyncMock(side_effect=RuntimeError("engine offline")),
+            ),
+            patch.object(
+                sessions.session_persistence,
+                "save_session_evaluation",
+                AsyncMock(return_value=True),
+            ) as save_evaluation,
+            patch.object(
+                sessions.notifications,
+                "enqueue_session_review_ready",
+                AsyncMock(),
+            ) as enqueue_review,
+        ):
+            await sessions._generate_and_save_session_evaluation(sess)
+
+        save_evaluation.assert_awaited_once()
+        enqueue_review.assert_awaited_once_with(session_id=sess.session_id)
+
+
+if __name__ == "__main__":
+    unittest.main()

apps/web/src/lib/api.gen.ts

@@ -48,6 +48,66 @@ export interface paths {
         patch?: never;
         trace?: never;
     };
+    "/admin/notifications": {
+        parameters: {
+            query?: never;
+            header?: never;
+            path?: never;
+            cookie?: never;
+        };
+        /**
+         * List Notifications
+         * @description Return recent operational email delivery state.
+         */
+        get: operations["list_notifications_admin_notifications_get"];
+        put?: never;
+        post?: never;
+        delete?: never;
+        options?: never;
+        head?: never;
+        patch?: never;
+        trace?: never;
+    };
+    "/admin/notifications/process": {
+        parameters: {
+            query?: never;
+            header?: never;
+            path?: never;
+            cookie?: never;
+        };
+        get?: never;
+        put?: never;
+        /**
+         * Process Notifications
+         * @description Drain queued email notifications once from the admin console/API.
+         */
+        post: operations["process_notifications_admin_notifications_process_post"];
+        delete?: never;
+        options?: never;
+        head?: never;
+        patch?: never;
+        trace?: never;
+    };
+    "/admin/notifications/test": {
+        parameters: {
+            query?: never;
+            header?: never;
+            path?: never;
+            cookie?: never;
+        };
+        get?: never;
+        put?: never;
+        /**
+         * Send Test Notification
+         * @description Queue and process one explicit admin email test.
+         */
+        post: operations["send_test_notification_admin_notifications_test_post"];
+        delete?: never;
+        options?: never;
+        head?: never;
+        patch?: never;
+        trace?: never;
+    };
     "/admin/tickets": {
         parameters: {
             query?: never;
@@ -1339,6 +1399,85 @@ export interface components {
              */
             status: "ok" | "degraded" | "down";
         };
+        /** AdminNotificationDeliveryResponse */
+        AdminNotificationDeliveryResponse: {
+            /** Attempts */
+            attempts: number;
+            /** Created At */
+            created_at?: number | null;
+            /** Event Id */
+            event_id: string;
+            /** Id */
+            id: string;
+            /** Kind */
+            kind: string;
+            /** Last Error */
+            last_error?: string | null;
+            /** Provider Message Id */
+            provider_message_id?: string | null;
+            /** Recipient Email */
+            recipient_email: string;
+            /** Recipient Name */
+            recipient_name: string;
+            /** Recipient Role */
+            recipient_role: string;
+            /** Sent At */
+            sent_at?: number | null;
+            /**
+             * Status
+             * @enum {string}
+             */
+            status: "queued" | "sending" | "sent" | "failed" | "skipped";
+            /** Subject */
+            subject: string;
+            /** Updated At */
+            updated_at?: number | null;
+        };
+        /** AdminNotificationProcessResponse */
+        AdminNotificationProcessResponse: {
+            /** Failed */
+            failed: number;
+            /** Processed */
+            processed: number;
+            /** Sent */
+            sent: number;
+            /** Skipped */
+            skipped: number;
+        };
+        /** AdminNotificationTestResponse */
+        AdminNotificationTestResponse: {
+            /** Failed */
+            failed: number;
+            /** Processed */
+            processed: number;
+            /** Provider */
+            provider: string;
+            /** Recipients */
+            recipients: number;
+            /** Sent */
+            sent: number;
+            /** Skipped */
+            skipped: number;
+            /** Smtp Configured */
+            smtp_configured: boolean;
+        };
+        /** AdminNotificationsResponse */
+        AdminNotificationsResponse: {
+            /** Deliveries */
+            deliveries: components["schemas"]["AdminNotificationDeliveryResponse"][];
+            /** Failed */
+            failed: number;
+            /** Provider */
+            provider: string;
+            /** Queued */
+            queued: number;
+            /** Sent */
+            sent: number;
+            /** Skipped */
+            skipped: number;
+            /** Smtp Configured */
+            smtp_configured: boolean;
+        };
         /** AdminServiceHealth */
         AdminServiceHealth: {
             /** Detail */
@@ -2486,6 +2625,11 @@ export interface components {
         };
         /** NotificationPreferences */
         NotificationPreferences: {
+            /**
+             * Account Approval
+             * @default true
+             */
+            account_approval: boolean;
             /**
              * Learner Progress
              * @default false
@@ -4185,6 +4329,106 @@ export interface operations {
             };
         };
     };
+    list_notifications_admin_notifications_get: {
+        parameters: {
+            query?: {
+                limit?: number;
+            };
+            header?: never;
+            path?: never;
+            cookie?: {
+                "__Host-vignette_sid"?: string | null;
+                vignette_sid?: string | null;
+            };
+        };
+        requestBody?: never;
+        responses: {
+            /** @description Successful Response */
+            200: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content: {
+                    "application/json": components["schemas"]["AdminNotificationsResponse"];
+                };
+            };
+            /** @description Validation Error */
+            422: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content: {
+                    "application/json": components["schemas"]["HTTPValidationError"];
+                };
+            };
+        };
+    };
+    process_notifications_admin_notifications_process_post: {
+        parameters: {
+            query?: {
+                limit?: number;
+            };
+            header?: never;
+            path?: never;
+            cookie?: {
+                "__Host-vignette_sid"?: string | null;
+                vignette_sid?: string | null;
+            };
+        };
+        requestBody?: never;
+        responses: {
+            /** @description Successful Response */
+            200: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content: {
+                    "application/json": components["schemas"]["AdminNotificationProcessResponse"];
+                };
+            };
+            /** @description Validation Error */
+            422: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content: {
+                    "application/json": components["schemas"]["HTTPValidationError"];
+                };
+            };
+        };
+    };
+    send_test_notification_admin_notifications_test_post: {
+        parameters: {
+            query?: never;
+            header?: never;
+            path?: never;
+            cookie?: {
+                "__Host-vignette_sid"?: string | null;
+                vignette_sid?: string | null;
+            };
+        };
+        requestBody?: never;
+        responses: {
+            /** @description Successful Response */
+            200: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content: {
+                    "application/json": components["schemas"]["AdminNotificationTestResponse"];
+                };
+            };
+            /** @description Validation Error */
+            422: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content: {
+                    "application/json": components["schemas"]["HTTPValidationError"];
+                };
+            };
+        };
+    };
     list_tickets_admin_tickets_get: {
         parameters: {
             query?: {

apps/web/src/pages/Settings.tsx

@@ -174,6 +174,7 @@ const DEFAULT_NOTIFICATION_PREFERENCES: NotificationPreferences = {
   session_done: true,
   safety_signal: true,
   learner_progress: true,
+  account_approval: true,
   product_news: false,
 };
 
@@ -347,6 +348,12 @@ export default function Settings() {
         hint: "교수자와 관리자에게만 표시됩니다.",
         roles: ["teacher", "admin"],
       },
+      {
+        id: "account_approval",
+        label: "가입 승인",
+        hint: "신규 가입 승인 요청이 있으면 알려줍니다.",
+        roles: ["admin"],
+      },
       {
         id: "product_news",
         label: "제품 소식",