feat(server): 更新知识库schema定义和服务实现，优化索引管理逻辑

server/src/app/schemas/knowledge.py

@@ -44,10 +44,13 @@ class KnowledgeDocumentRead(BaseModel):
     fileType: str
     fileTypeLabel: str
     summary: str
-    mimeType: str
-    extension: str
-    sizeBytes: int
-    canPreview: bool = False
+    mimeType: str
+    extension: str
+    sizeBytes: int
+    canPreview: bool = False
+    llmWikiAvailable: bool = False
+    llmWikiQualityStatus: str = ""
+    llmWikiQualityNote: str = ""
 
 
 class KnowledgeDocumentDetailRead(KnowledgeDocumentRead):
@@ -106,6 +109,9 @@ class LlmWikiKnowledgeCandidateRead(BaseModel):
     status: str = "draft"
     created_by: str = "hermes"
     created_at: datetime | None = None
+    extraction_mode: str = "hermes"
+    quality_flags: list[str] = Field(default_factory=list)
+    fallback_reason: str = ""
 
 
 class LlmWikiRuleCandidateRead(BaseModel):
@@ -143,8 +149,17 @@ class LlmWikiDocumentRead(BaseModel):
     checksum: str = ""
     extracted_text_path: str
     chunk_count: int = 0
+    candidate_chunk_count: int = 0
+    filtered_chunk_count: int = 0
+    group_count: int = 0
+    successful_group_count: int = 0
+    failed_group_count: int = 0
     knowledge_candidate_count: int = 0
+    formal_knowledge_candidate_count: int = 0
+    fallback_knowledge_candidate_count: int = 0
     rule_candidate_count: int = 0
+    quality_status: str = "formal"
+    quality_note: str = ""
     updated_at: datetime | None = None