Add platform config website_url, admin tab, fix writer DB config fallback, add trigger endpoints

platform/backend/app/core/nvidia_client.py

@@ -70,12 +70,26 @@ def _get_provider_config(provider: Optional[str] = None) -> dict:
         "base_url": base_url or fb.get("base_url", ""),
     }
 
+def _get_db_defaults(provider: Optional[str] = None) -> dict:
+    try:
+        from ..database import SessionLocal
+        from ..models import LLMConfig
+        db = SessionLocal()
+        p = provider or _get_active_provider()
+        cfg = db.query(LLMConfig).filter(LLMConfig.provider == p).order_by(LLMConfig.is_active.desc()).first()
+        db.close()
+        if cfg:
+            return {"temperature": cfg.temperature, "max_tokens": cfg.max_tokens}
+    except Exception:
+        pass
+    return {"temperature": 0.20, "max_tokens": 2048}
+
 def call_llm(
     prompt: str,
     model: Optional[str] = None,
     system_prompt: str = "你是一个专业的内容创作助手。",
-    temperature: float = 0.20,
-    max_tokens: int = 2048,
+    temperature: Optional[float] = None,
+    max_tokens: Optional[int] = None,
     top_p: float = 0.70,
     frequency_penalty: float = 0.00,
     presence_penalty: float = 0.00,
@@ -83,6 +97,9 @@ def call_llm(
     provider: Optional[str] = None,
     additional_params: Optional[Dict[str, Any]] = None,
 ) -> str:
+    defaults = _get_db_defaults(provider)
+    temperature = temperature if temperature is not None else defaults["temperature"]
+    max_tokens = max_tokens if max_tokens is not None else defaults["max_tokens"]
     cfg = _get_provider_config(provider)
     endpoint = f"{cfg['base_url'].rstrip('/')}/chat/completions"
     headers = {
@@ -186,7 +203,7 @@ def expand_content_with_llm(
         prompt = f"# 参考资料\n{context}\n\n{prompt}"
 
     try:
-        result = call_llm(prompt, temperature=0.3, max_tokens=1500)
+        result = call_llm(prompt, temperature=0.3)
         return result.strip()
     except Exception as e:
         return f"## {section_title}\n\n（LLM 调用失败：{e}，请手动补充）"

platform/backend/app/core/scheduler.py

@@ -9,7 +9,6 @@ from apscheduler.schedulers.background import BackgroundScheduler
 from apscheduler.triggers.cron import CronTrigger
 from .generator import run_creator
 from .optimizer import run_optimizer
-from .sync import sync_all_topics
 from .collector import run_collector
 
 logger = logging.getLogger(__name__)
@@ -28,17 +27,6 @@ class TaskScheduler:
             self._run_collect,
             CronTrigger(hour=1, minute=30),
             id='scheduled_collect',
-            replace_existing=True,
-            max_instances=1,
-            coalesce=True
-        )
-        self.scheduler.add_job(
-            self._run_sync,
-            CronTrigger(hour=2, minute=30),
-            id='scheduled_sync',
-            replace_existing=True,
-            max_instances=1,
-            coalesce=True
         )
         self.scheduler.add_job(
             self._run_generate,
@@ -176,14 +164,6 @@ class TaskScheduler:
         except Exception as e:
             logger.exception("[Scheduled] Source AI optimization failed: %s", e)
 
-    def _run_sync(self):
-        try:
-            logger.info("[Scheduled] Starting data sync...")
-            sync_all_topics()
-            logger.info("[Scheduled] Sync completed")
-        except Exception as e:
-            logger.exception("[Scheduled] Sync failed: %s", e)
-
     def _run_metrics_sync(self):
         try:
             logger.info("[Scheduled] Starting metrics sync...")