diff --git a/app/integrations/llm/schemas/report.py b/app/integrations/llm/schemas/report.py
index dc14bec..8f175b7 100644
--- a/app/integrations/llm/schemas/report.py
+++ b/app/integrations/llm/schemas/report.py
@@ -68,16 +68,18 @@ class RegistryData(BaseModel):
 
 
 class ClinicSnapshot(BaseModel):
-    name: str
-    name_en: str
-    staff_count: int
-    lead_doctor: LeadDoctor
-    overall_rating: float
-    total_reviews: int
-    certifications: list[str]
-    location: str
-    phone: str
-    domain: str
+    # _build_clinic_snapshot은 source 데이터 있을 때만 채움 (`if x:` 가드).
+    # required면 강남언니/홈페이지 누락 병원에서 ValidationError로 리포트 실패.
+    name: str | None = None
+    name_en: str | None = None
+    staff_count: int | None = None
+    lead_doctor: LeadDoctor | None = None
+    overall_rating: float | None = None
+    total_reviews: int | None = None
+    certifications: list[str] = []
+    location: str | None = None
+    phone: str | None = None
+    domain: str | None = None
     logo_images: LogoImages | None = None
     brand_colors: BrandColors | None = None
     source: DataSource | None = None
@@ -121,21 +123,23 @@ class TopVideo(BaseModel):
 
 
 class YouTubeAudit(BaseModel):
-    channel_name: str
-    handle: str
-    subscribers: int
-    total_videos: int
-    total_views: int
-    weekly_view_growth: WeeklyViewGrowth
-    estimated_monthly_revenue: EstimatedRevenue
-    avg_video_length: str
-    upload_frequency: str
-    channel_created_date: str
-    channel_description: str
-    linked_urls: list[LinkedUrl]
-    playlists: list[str]
-    top_videos: list[TopVideo]
-    diagnosis: list[DiagnosisItem]
+    # YouTube 미수집 병원에서 _build_youtube_audit가 채울 수 없는 필드 빔.
+    # required면 ValidationError로 리포트 실패 → Optional로 받아 부분 응답 허용.
+    channel_name: str | None = None
+    handle: str | None = None
+    subscribers: int | None = None
+    total_videos: int | None = None
+    total_views: int | None = None
+    weekly_view_growth: WeeklyViewGrowth | None = None
+    estimated_monthly_revenue: EstimatedRevenue | None = None
+    avg_video_length: str | None = None
+    upload_frequency: str | None = None
+    channel_created_date: str | None = None
+    channel_description: str | None = None
+    linked_urls: list[LinkedUrl] = []
+    playlists: list[str] = []
+    top_videos: list[TopVideo] = []
+    diagnosis: list[DiagnosisItem] = []
 
 
 # --- Instagram ---
diff --git a/app/models/report.py b/app/models/report.py
index a99f59d..67fa655 100644
--- a/app/models/report.py
+++ b/app/models/report.py
@@ -66,16 +66,18 @@ class RegistryData(CamelModel):
 
 
 class ClinicSnapshot(CamelModel):
-    name: str
-    name_en: str
-    staff_count: int
-    lead_doctor: LeadDoctor
-    overall_rating: float
-    total_reviews: int
-    certifications: list[str]
-    location: str
-    phone: str
-    domain: str
+    # _build_clinic_snapshot은 source 데이터 있을 때만 필드 추가 (`if x:` 가드).
+    # 강남언니/홈페이지 수집 누락된 병원에서 required면 ValidationError로 리포트 전체 실패.
+    name: str | None = None
+    name_en: str | None = None
+    staff_count: int | None = None
+    lead_doctor: LeadDoctor | None = None
+    overall_rating: float | None = None
+    total_reviews: int | None = None
+    certifications: list[str] = []
+    location: str | None = None
+    phone: str | None = None
+    domain: str | None = None
     logo_images: LogoImages | None = None
     brand_colors: BrandColors | None = None
     source: DataSource | None = None
@@ -115,42 +117,45 @@ class TopVideo(CamelModel):
 
 
 class YouTubeAudit(CamelModel):
-    channel_name: str
-    handle: str
-    subscribers: int
-    total_videos: int
-    total_views: int
-    weekly_view_growth: WeeklyViewGrowth
-    estimated_monthly_revenue: EstimatedRevenue
-    avg_video_length: str
-    upload_frequency: str
-    channel_created_date: str
-    channel_description: str
-    linked_urls: list[LinkedUrl]
-    playlists: list[str]
-    top_videos: list[TopVideo]
-    diagnosis: list[DiagnosisItem]
+    # YouTube 채널 없는 병원이면 _build_youtube_audit가 채울 수 없는 필드들 (channel_name 등)이 빔.
+    # required면 ValidationError로 리포트 실패 → Optional로 받아 부분 응답 허용.
+    channel_name: str | None = None
+    handle: str | None = None
+    subscribers: int | None = None
+    total_videos: int | None = None
+    total_views: int | None = None
+    weekly_view_growth: WeeklyViewGrowth | None = None
+    estimated_monthly_revenue: EstimatedRevenue | None = None
+    avg_video_length: str | None = None
+    upload_frequency: str | None = None
+    channel_created_date: str | None = None
+    channel_description: str | None = None
+    linked_urls: list[LinkedUrl] = []
+    playlists: list[str] = []
+    top_videos: list[TopVideo] = []
+    diagnosis: list[DiagnosisItem] = []
 
 
 class InstagramAccount(CamelModel):
-    handle: str
-    language: Language
-    label: str
-    posts: int
-    followers: int
-    following: int
-    category: str
-    profile_link: str
-    highlights: list[str]
-    reels_count: int
-    content_format: str
-    profile_photo: str
-    bio: str
+    # 인스타 계정(KR/EN) 미수집 시 빈 필드 가능 — Optional.
+    handle: str | None = None
+    language: Language | None = None
+    label: str | None = None
+    posts: int | None = None
+    followers: int | None = None
+    following: int | None = None
+    category: str | None = None
+    profile_link: str | None = None
+    highlights: list[str] = []
+    reels_count: int | None = None
+    content_format: str | None = None
+    profile_photo: str | None = None
+    bio: str | None = None
 
 
 class InstagramAudit(CamelModel):
-    accounts: list[InstagramAccount]
-    diagnosis: list[DiagnosisItem]
+    accounts: list[InstagramAccount] = []
+    diagnosis: list[DiagnosisItem] = []
 
 
 class BrandInconsistencyValue(CamelModel):
@@ -167,31 +172,32 @@ class BrandInconsistency(CamelModel):
 
 
 class FacebookPage(CamelModel):
-    url: str
-    page_name: str
-    language: Language
-    label: str
-    followers: int
-    following: int
-    category: str
-    bio: str
-    logo: str
-    logo_description: str
-    link: str
-    linked_domain: str
-    reviews: int
-    recent_post_age: str
-    has_whatsapp: bool
+    # 페북 페이지(KR/EN) 미수집 시 빈 필드 가능 — Optional.
+    url: str | None = None
+    page_name: str | None = None
+    language: Language | None = None
+    label: str | None = None
+    followers: int | None = None
+    following: int | None = None
+    category: str | None = None
+    bio: str | None = None
+    logo: str | None = None
+    logo_description: str | None = None
+    link: str | None = None
+    linked_domain: str | None = None
+    reviews: int | None = None
+    recent_post_age: str | None = None
+    has_whatsapp: bool | None = None
     post_frequency: str | None = None
     top_content_type: str | None = None
     engagement: str | None = None
 
 
 class FacebookAudit(CamelModel):
-    pages: list[FacebookPage]
-    diagnosis: list[DiagnosisItem]
-    brand_inconsistencies: list[BrandInconsistency]
-    consolidation_recommendation: str
+    pages: list[FacebookPage] = []
+    diagnosis: list[DiagnosisItem] = []
+    brand_inconsistencies: list[BrandInconsistency] = []
+    consolidation_recommendation: str | None = None
 
 
 class OtherChannel(CamelModel):