Sync public snapshot from freebuff-private

Source: CodebuffAI/freebuff-private@6bd0b7bd52272bd1b86ff711f03b37847c18f51a

Author: github-actions[bot]

bun.lock

@@ -326,6 +326,22 @@ const ADS_FETCH_COMPLETED_FIELDS = {
    */
   ad_features_lookup: 'string',
   ad_features_ms: 'number',
+  /**
+   * The on-host pclick model's SHADOW score (`pclick-shadow.ts`), for the
+   * request's first shadow-scored decision; absent when none ran. Ids never:
+   * `pclick_shadow_served` is the served ad's shadow pCTR,
+   * `pclick_shadow_l2_served` the live L2 pCTR of the same campaign,
+   * `pclick_shadow_log_ratio` ln(shadow / L2), `pclick_shadow_top_agrees`
+   * whether the shadow's top admitted campaign is the one served. Nothing
+   * ranks on it; the per-campaign detail rides the decision to the training log.
+   */
+  pclick_shadow_outcome: 'string',
+  pclick_shadow_scorer: 'string',
+  pclick_shadow_ms: 'number',
+  pclick_shadow_served: 'number',
+  pclick_shadow_l2_served: 'number',
+  pclick_shadow_log_ratio: 'number',
+  pclick_shadow_top_agrees: 'boolean',
   /**
    * The eligibility census: two counts and two producer-encoded histogram
    * strings. `eligible_campaign_labels` comma-joins opaque allocation labels