fix(skill): 技能优先级顺序改为 role>project>pipeline>org>global，目录层描述精简

pipeline_core/skill_loader.py

@@ -20,7 +20,7 @@ pipeline-core: Skill Loader — 六级可插拔技能隔离
     users/{user_id}/                 ← 用户个人技能
 
 加载优先级（低 → 高，同名后者覆盖前者）：
-  global → org → pipeline(common) → role → project → user
+  global → org → pipeline(common) → project → role → user
 """
 
 import logging
@@ -36,8 +36,8 @@ SCOPE_PRIORITY = {
     "global": 0,
     "org": 1,
     "pipeline": 2,
-    "role": 3,
-    "project": 4,
+    "project": 3,
+    "role": 4,
     "user": 5,
 }
 
@@ -156,7 +156,7 @@ def _parse_frontmatter(content: str) -> Optional[dict]:
 # ── 六级技能加载器 ──
 
 class SkillLoader:
-    """六级技能加载器：global → org → pipeline → role → project → user"""
+    """六级技能加载器：global → org → pipeline → project → role → user"""
 
     def __init__(self, base_dir: str = ""):
         self.base_dir = base_dir
@@ -270,7 +270,7 @@ class SkillLoader:
                    user_id: str = "") -> Dict[str, Skill]:
         """按优先级合并六级技能。同名技能高优先级覆盖低优先级。
 
-        优先级（低→高）：global → org → pipeline → role → project → user
+        优先级（低→高）：global → org → pipeline → project → role → user
         """
         merged = dict(self._global)
 
@@ -280,14 +280,14 @@ class SkillLoader:
         if pipeline_id and pipeline_id in self._pipelines:
             merged.update(self._pipelines[pipeline_id])
 
+        if project_id and project_id in self._projects:
+            merged.update(self._projects[project_id])
+
         if pipeline_id and role:
             role_key = f"{pipeline_id}:{role}"
             if role_key in self._roles:
                 merged.update(self._roles[role_key])
 
-        if project_id and project_id in self._projects:
-            merged.update(self._projects[project_id])
-
         if user_id and user_id in self._users:
             merged.update(self._users[user_id])
 
@@ -312,7 +312,7 @@ class SkillLoader:
             return ""
         blocks = ["## 可用技能\n"]
         for s in skills:
-            blocks.append(f"- **[{SCOPE_TAG.get(s.scope, s.scope)}] {s.name}**: {s.description[:200]}")
+            blocks.append(f"- **[{SCOPE_TAG.get(s.scope, s.scope)}] {s.name}**: {s.description[:80]}")
         blocks.append("")
         return "\n".join(blocks)
 
@@ -390,7 +390,7 @@ class SkillLoader:
 
         blocks = ["## 可用技能\n"]
         for s in skills:
-            blocks.append(f"- **[{SCOPE_TAG.get(s.scope, s.scope)}] {s.name}**: {s.description[:200]}")
+            blocks.append(f"- **[{SCOPE_TAG.get(s.scope, s.scope)}] {s.name}**: {s.description[:80]}")
         blocks.append("")
         return "\n".join(blocks)