feat(db): add video pages and up follower snapshot schema

reaction_board/config.py

@@ -38,6 +38,13 @@ DEFAULT_HEAT_WEIGHTS: dict[str, float] = {
     "danmaku": 0.02,
 }
 
+DEFAULT_ANALYTICS: dict[str, Any] = {
+    "min_duration_seconds": 600,
+    "maturity_days": 14,
+    "min_view_for_efficiency": 0,
+    "shrink_minutes": None,
+}
+
 DEFAULT_CONFIG: dict[str, Any] = {
     "bilibili": {
         "read": {"mid": 0, "csrf": "", "cookie": ""},
@@ -73,6 +80,7 @@ DEFAULT_CONFIG: dict[str, Any] = {
     "notify": {"min_score": 2, "max_items_per_message": 10},
     "classify": DEFAULT_CLASSIFY,
     "heat_weights": DEFAULT_HEAT_WEIGHTS,
+    "analytics": DEFAULT_ANALYTICS,
 }
 
 # 环境变量只作为 CI / 临时调试的覆盖入口，不作为主路径。
@@ -161,6 +169,14 @@ class DiscoverConfig:
     window_days: int
 
 
+@dataclass(frozen=True)
+class AnalyticsConfig:
+    min_duration_seconds: int
+    maturity_days: int
+    min_view_for_efficiency: int
+    shrink_minutes: int | None
+
+
 @dataclass(frozen=True)
 class AppConfig:
     path: Path
@@ -176,6 +192,7 @@ class AppConfig:
     discover: DiscoverConfig
     classify: Mapping[str, Any]
     heat_weights: Mapping[str, float]
+    analytics: AnalyticsConfig
     raw: Mapping[str, Any] = field(repr=False, compare=False)
 
     def folder_for_year(self, year: int) -> FolderConfig | None:
@@ -431,6 +448,33 @@ def _build_config(data: Mapping[str, Any], path: Path) -> AppConfig:
             raise ConfigError(f"heat_weights.{metric} 必须是非负数字")
         heat[metric] = float(value)
 
+    analytics_raw = data["analytics"]
+    if not isinstance(analytics_raw, Mapping):
+        raise ConfigError("analytics 必须是对象")
+    shrink_raw = analytics_raw.get("shrink_minutes")
+    analytics = AnalyticsConfig(
+        min_duration_seconds=_as_int(
+            analytics_raw.get("min_duration_seconds", 600),
+            "analytics.min_duration_seconds",
+            minimum=0,
+        ),
+        maturity_days=_as_int(
+            analytics_raw.get("maturity_days", 14),
+            "analytics.maturity_days",
+            minimum=0,
+        ),
+        min_view_for_efficiency=_as_int(
+            analytics_raw.get("min_view_for_efficiency", 0),
+            "analytics.min_view_for_efficiency",
+            minimum=0,
+        ),
+        shrink_minutes=(
+            None if shrink_raw is None else _as_int(
+                shrink_raw, "analytics.shrink_minutes", minimum=1
+            )
+        ),
+    )
+
     return AppConfig(
         path=path,
         bilibili=bilibili,
@@ -445,6 +489,7 @@ def _build_config(data: Mapping[str, Any], path: Path) -> AppConfig:
         discover=discover,
         classify=classify,
         heat_weights=heat,
+        analytics=analytics,
         raw=data,
     )