✨ 8 major features: trafilatura, digest, ntfy actions, templates, FTS5 search, backup/restore, proxy, RSS reader

- Full article extraction via trafilatura (fetch_full_article)
- Digest mode with configurable period (digest_enabled, digest_period_hours)
- ntfy Actions buttons (Open article, Open feed)
- Notification templates with {title}, {body}, {link}, {source}, {image_url}
- FTS5 full-text search in notification history
- Database backup/restore (download/upload .db)
- HTTP/SOCKS proxy for RSS feed fetching (proxy_url setting)
- Built-in RSS reader tab with categories, unread counts, article detail view
- Auto-category 'Общее' for feeds without a category
- Article storage (Article table) for reader
- DigestEntry model for pending digest entries

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

app/schemas.py

@@ -23,6 +23,11 @@ class FeedIn(BaseModel):
     filter_exclude: str = ""
     interval: int = 0
     enabled: bool = True
+    send_full_content: bool = False
+    fetch_full_article: bool = False
+    digest_enabled: bool = False
+    digest_period_hours: int = 24
+    category_id: Optional[int] = None
 
     @field_validator("url")
     @classmethod
@@ -63,6 +68,13 @@ class SettingsIn(BaseModel):
     alerts_enabled: bool = False
     alert_topic: str = ""
     alert_threshold: int = 3
+    # Default feed values
+    default_priority: int = 3
+    default_tags: str = ""
+    default_attach_image: bool = True
+    default_interval: int = 0
+    notification_template: str = "**{title}**\n\n{body}\n\n[Открыть →]({link})"
+    proxy_url: str = ""
 
     @field_validator("check_interval")
     @classmethod
@@ -74,6 +86,16 @@ class SettingsIn(BaseModel):
     def _threshold_min(cls, v: int) -> int:
         return max(1, v)
 
+    @field_validator("default_priority")
+    @classmethod
+    def _def_priority_range(cls, v: int) -> int:
+        return min(5, max(1, v))
+
+    @field_validator("default_interval")
+    @classmethod
+    def _def_interval_nonneg(cls, v: int) -> int:
+        return max(0, v)
+
 
 class TestIn(BaseModel):
     server: str = ""
@@ -98,6 +120,19 @@ class PreviewIn(BaseModel):
         return v
 
 
+class CategoryIn(BaseModel):
+    name: str
+    sort_order: int = 0
+
+    @field_validator("name")
+    @classmethod
+    def _name_required(cls, v: str) -> str:
+        v = v.strip()
+        if not v:
+            raise ValueError("Название категории обязательно")
+        return v
+
+
 class UserIn(BaseModel):
     username: str
     password: str = ""  # empty on edit = keep existing