feat: 实现 Skills 跨榜去重与首日 baseline 模式判定

Co-authored-by: Cursor <cursoragent@cursor.com>

daily/delta.py

@@ -8,7 +8,7 @@ from datetime import datetime, timedelta
 from pathlib import Path
 from typing import Any, Callable
 
-from daily.config import OUTPUT_DIR, env_int
+from daily.config import OUTPUT_DIR, delta_baseline_fallback, env_int, wecom_mode
 
 logger = logging.getLogger(__name__)
 
@@ -311,3 +311,40 @@ def build_movement_context(
         "skills_stable": not skills_trending_all and not skills_hot_all,
         "github_stable": not github_trending_all and not github_emerging_all and not github_topic_all,
     }
+
+
+def effective_wecom_mode(*, date_str: str, configured_mode: str | None = None) -> str:
+    mode = configured_mode or wecom_mode()
+    if mode != "delta":
+        return "full"
+    if find_previous_data(date_str) is None and delta_baseline_fallback() == "full":
+        return "full"
+    return "delta"
+
+
+def partition_skill_moves_for_wecom(
+    trending_moves: list[dict[str, Any]],
+    hot_moves: list[dict[str, Any]],
+) -> tuple[list[dict[str, Any]], list[dict[str, Any]]]:
+    hot_by_id = {skill_id(m): m for m in hot_moves if skill_id(m)}
+    trending_out: list[dict[str, Any]] = []
+    consumed_hot: set[str] = set()
+    for move in trending_moves:
+        sid = skill_id(move)
+        copy = dict(move)
+        badges = [f"Trending #{move.get('rank', '?')}"]
+        hot_match = hot_by_id.get(sid)
+        if hot_match:
+            badges.append(f"Hot #{hot_match.get('rank', '?')}")
+            consumed_hot.add(sid)
+        copy["badge"] = " · ".join(badges)
+        trending_out.append(copy)
+    hot_out: list[dict[str, Any]] = []
+    for move in hot_moves:
+        sid = skill_id(move)
+        if sid in consumed_hot:
+            continue
+        copy = dict(move)
+        copy["badge"] = f"Hot #{move.get('rank', '?')}"
+        hot_out.append(copy)
+    return trending_out, hot_out