修复种草图生成：以三合一主图为参考 img2img 生成，按颜色分配（每色优先、超出随机补足）；新增 BR/CA/DE/ES/IT/PL/SA 七国配置与提示词；删除验证用测试脚本

graph/seeds/dynamic_strategy.py

@@ -8,7 +8,8 @@
 4. 用完全用：池中种子数 ≤ 需要数时全部使用（不再随机限量/截断）；
 5. 每个国家独立配置：configs/countries/<country>.yaml 的 style.seeds / related.seed_keywords。
 
-limit 由 seed_node 从 context 注入（max_style_seeds / max_related_seeds，0 或缺失=不限）。
+limit 由 seed_node 从 context 注入：max_seeds（单一总量，不再按类型分，从统一池随机抽后均分
+style/related）；兼容旧参数 max_style_seeds / max_related_seeds（0 或缺失=不限）。
 LLM 后端生成失败时自动回退到静态+节日主题，保证不中断。
 """
 import random
@@ -87,14 +88,22 @@ class DynamicStrategy(SeedStrategy):
         add(dyn_related, 1.0, "dynamic")
 
         items = list(pool.values())
+        limit_total = int(context.get("max_seeds") or 0)
         limit_style = int(context.get("max_style_seeds") or 0)
         limit_related = int(context.get("max_related_seeds") or 0)
 
-        # 2) 每次随机取（加权，不重复）；池不足 → 全部用
-        style_pick = _weighted_sample(items, limit_style)
-        style_keys = {id(it) for it in style_pick}
-        remaining = [it for it in items if id(it) not in style_keys]
-        related_pick = _weighted_sample(remaining, limit_related)
+        if limit_total > 0:
+            # 不再按类型分：从统一池随机抽 max_seeds 个，均分到 style/related（各约一半）
+            pick = _weighted_sample(items, limit_total)
+            half = (len(pick) + 1) // 2
+            style_pick = pick[:half]
+            related_pick = pick[half:]
+        else:
+            # 兼容旧参数（max_style_seeds / max_related_seeds 分别限量）
+            style_pick = _weighted_sample(items, limit_style)
+            style_keys = {id(it) for it in style_pick}
+            remaining = [it for it in items if id(it) not in style_keys]
+            related_pick = _weighted_sample(remaining, limit_related)
 
         return {
             "style_seeds": [it["word"] for it in style_pick],

graph/seeds/holidays.py

@@ -101,6 +101,74 @@ _HOLIDAYS_BY_COUNTRY: Dict[str, List[tuple]] = {
         ("Boxing Day", 12, 26, None, 21),
         ("Halloween", 10, 31, None, 21),
     ],
+    "DE": [
+        ("New Year", 1, 1, None, 14),
+        ("Valentine's Day", 2, 14, None, 21),
+        ("Easter", 0, 0, "easter", 21),
+        ("Oktoberfest", 9, 21, "third_saturday", 30),   # 啤酒节（9 月第三个周六）
+        ("German Unity Day", 10, 3, None, 21),
+        ("Halloween", 10, 31, None, 30),
+        ("Advent Season", 11, 30, None, 30),
+        ("Christmas", 12, 25, None, 30),
+        ("Boxing Day", 12, 26, None, 14),
+    ],
+    "BR": [
+        ("New Year", 1, 1, None, 14),
+        ("Carnival", 2, 15, None, 30),                   # 狂欢节（浮动，2 月近似）
+        ("Easter", 0, 0, "easter", 21),
+        ("Tiradentes Day", 4, 21, None, 14),
+        ("Independence Day (BR)", 9, 7, None, 21),
+        ("Children's Day (BR)", 10, 12, None, 21),
+        ("Halloween", 10, 31, None, 30),
+        ("Christmas", 12, 25, None, 30),
+        ("New Year Eve", 12, 31, None, 14),
+    ],
+    "SA": [
+        ("New Year", 1, 1, None, 14),
+        ("Saudi Founding Day", 2, 22, None, 21),
+        ("Saudi National Day", 9, 23, None, 30),
+        ("Winter Season", 12, 1, None, 30),
+    ],
+    "PL": [
+        ("New Year", 1, 1, None, 14),
+        ("Valentine's Day", 2, 14, None, 21),
+        ("Easter", 0, 0, "easter", 21),
+        ("Constitution Day (PL)", 5, 3, None, 21),
+        ("Halloween", 10, 31, None, 30),
+        ("Independence Day (PL)", 11, 11, None, 21),
+        ("Christmas", 12, 25, None, 30),
+        ("Boxing Day", 12, 26, None, 14),
+    ],
+    "ES": [
+        ("Three Kings Day", 1, 6, None, 14),
+        ("Valentine's Day", 2, 14, None, 21),
+        ("Easter (Semana Santa)", 0, 0, "easter", 21),
+        ("Feria de Abril", 4, 15, None, 21),
+        ("La Tomatina", 8, 27, None, 21),
+        ("Halloween", 10, 31, None, 30),
+        ("Christmas", 12, 25, None, 30),
+        ("New Year Eve", 12, 31, None, 14),
+    ],
+    "IT": [
+        ("New Year", 1, 1, None, 14),
+        ("Epiphany", 1, 6, None, 14),
+        ("Valentine's Day", 2, 14, None, 21),
+        ("Carnevale", 2, 15, None, 21),
+        ("Easter", 0, 0, "easter", 21),
+        ("Ferragosto", 8, 15, None, 21),
+        ("Halloween", 10, 31, None, 30),
+        ("Christmas", 12, 25, None, 30),
+    ],
+    "CA": [
+        ("New Year", 1, 1, None, 14),
+        ("Valentine's Day", 2, 14, None, 21),
+        ("Easter", 0, 0, "easter", 21),
+        ("Canada Day", 7, 1, None, 21),
+        ("Thanksgiving (CA)", 10, 12, None, 21),         # 10 月第 2 周一（近似固定日）
+        ("Halloween", 10, 31, None, 30),
+        ("Christmas", 12, 25, None, 30),
+        ("Boxing Day", 12, 26, None, 14),
+    ],
 }
 
 
@@ -147,6 +215,9 @@ def _resolve(name: str, month: int, day: int, rule, year: int) -> Optional[datet
     if rule == "labor":
         first = datetime.date(year, month, 1)
         return first + datetime.timedelta(days=(0 - first.weekday()) % 7)
+    if rule == "third_saturday":
+        first = datetime.date(year, month, 1)
+        return first + datetime.timedelta(days=(5 - first.weekday()) % 7 + 2 * 7)
     return None