feat: 完善公开任务预览和用户问答历史

offline-backend-20260512/backend/app/gateway/app.py

@@ -2,10 +2,12 @@ import asyncio
 import logging
 import os
 import queue
-import sys
-import threading
-from collections.abc import AsyncGenerator
-from contextlib import asynccontextmanager
+import sys
+import threading
+from collections.abc import AsyncGenerator
+from contextlib import asynccontextmanager
+from datetime import datetime
+from time import perf_counter
 
 from dotenv import load_dotenv
 from fastapi import FastAPI
@@ -468,6 +470,84 @@ _LEADERBOARD_SNAPSHOT_STARTUP_DELAY_SECONDS = _env_float(
 )
 
 
+def _leaderboard_scheduler_sql_for_log(stmt) -> str:
+    try:
+        return str(stmt.compile(compile_kwargs={"literal_binds": True}))
+    except Exception:
+        return str(stmt)
+
+
+async def _execute_leaderboard_scheduler_query(session, step: str, stmt, **context):
+    sql = _leaderboard_scheduler_sql_for_log(stmt)
+    logger.info(
+        "Leaderboard snapshot DB query start: step=%s stat_date=%s job=%s settings_hash=%s started_at=%s sql=%s",
+        step,
+        context.get("stat_date") or context.get("stat_dates") or "",
+        context.get("job_key") or "",
+        context.get("settings_hash") or "",
+        datetime.now().isoformat(),
+        sql,
+    )
+    start = perf_counter()
+    try:
+        result = await session.execute(stmt)
+    except Exception:
+        logger.exception(
+            "Leaderboard snapshot DB query failed: step=%s stat_date=%s job=%s settings_hash=%s elapsed_ms=%.2f",
+            step,
+            context.get("stat_date") or context.get("stat_dates") or "",
+            context.get("job_key") or "",
+            context.get("settings_hash") or "",
+            (perf_counter() - start) * 1000,
+        )
+        raise
+    logger.info(
+        "Leaderboard snapshot DB query done: step=%s stat_date=%s job=%s settings_hash=%s finished_at=%s elapsed_ms=%.2f",
+        step,
+        context.get("stat_date") or context.get("stat_dates") or "",
+        context.get("job_key") or "",
+        context.get("settings_hash") or "",
+        datetime.now().isoformat(),
+        (perf_counter() - start) * 1000,
+    )
+    return result
+
+
+async def _time_leaderboard_scheduler_db_operation(step: str, operation, *, sql: str = "", **context):
+    logger.info(
+        "Leaderboard snapshot DB query start: step=%s stat_date=%s job=%s settings_hash=%s started_at=%s sql=%s",
+        step,
+        context.get("stat_date") or context.get("stat_dates") or "",
+        context.get("job_key") or "",
+        context.get("settings_hash") or "",
+        datetime.now().isoformat(),
+        sql,
+    )
+    start = perf_counter()
+    try:
+        result = await operation()
+    except Exception:
+        logger.exception(
+            "Leaderboard snapshot DB query failed: step=%s stat_date=%s job=%s settings_hash=%s elapsed_ms=%.2f",
+            step,
+            context.get("stat_date") or context.get("stat_dates") or "",
+            context.get("job_key") or "",
+            context.get("settings_hash") or "",
+            (perf_counter() - start) * 1000,
+        )
+        raise
+    logger.info(
+        "Leaderboard snapshot DB query done: step=%s stat_date=%s job=%s settings_hash=%s finished_at=%s elapsed_ms=%.2f",
+        step,
+        context.get("stat_date") or context.get("stat_dates") or "",
+        context.get("job_key") or "",
+        context.get("settings_hash") or "",
+        datetime.now().isoformat(),
+        (perf_counter() - start) * 1000,
+    )
+    return result
+
+
 def _recent_leaderboard_stat_dates(days: int) -> list[str]:
     from datetime import datetime, timedelta
 
@@ -493,21 +573,27 @@ async def _leaderboard_snapshot_due_dates(
 
     cutoff = datetime.now(UTC) - timedelta(seconds=running_ttl_seconds)
     async with session_factory() as session:
-        rows = (
-            await session.execute(
-                select(AdminLeaderboardDailyStatRow.stat_date)
-                .where(
-                    AdminLeaderboardDailyStatRow.settings_hash == settings_hash,
-                    or_(
-                        AdminLeaderboardDailyStatRow.status.in_(["queued", "error"]),
-                        and_(
-                            AdminLeaderboardDailyStatRow.status == "running",
-                            AdminLeaderboardDailyStatRow.updated_at < cutoff,
-                        ),
+        stmt = (
+            select(AdminLeaderboardDailyStatRow.stat_date)
+            .where(
+                AdminLeaderboardDailyStatRow.settings_hash == settings_hash,
+                or_(
+                    AdminLeaderboardDailyStatRow.status.in_(["queued", "error"]),
+                    and_(
+                        AdminLeaderboardDailyStatRow.status == "running",
+                        AdminLeaderboardDailyStatRow.updated_at < cutoff,
                     ),
-                )
-                .order_by(AdminLeaderboardDailyStatRow.stat_date.desc())
-                .limit(limit)
+                ),
+            )
+            .order_by(AdminLeaderboardDailyStatRow.stat_date.desc())
+            .limit(limit)
+        )
+        rows = (
+            await _execute_leaderboard_scheduler_query(
+                session,
+                "scheduler.due_dates",
+                stmt,
+                settings_hash=settings_hash,
             )
         ).all()
     return [str(row[0]) for row in rows]
@@ -527,9 +613,15 @@ async def _claim_leaderboard_snapshot(
     from deerflow.persistence.types import BEIJING_TZ
 
     async with session_factory() as session:
-        row = await session.get(
-            AdminLeaderboardDailyStatRow,
-            {"stat_date": stat_date, "settings_hash": settings_hash},
+        row = await _time_leaderboard_scheduler_db_operation(
+            "scheduler.claim.get",
+            lambda: session.get(
+                AdminLeaderboardDailyStatRow,
+                {"stat_date": stat_date, "settings_hash": settings_hash},
+            ),
+            sql="SELECT admin_leaderboard_daily_stats by primary key",
+            stat_date=stat_date,
+            settings_hash=settings_hash,
         )
         if row is None or _snapshot_is_fresh(row, stat_date):
             return False
@@ -545,7 +637,13 @@ async def _claim_leaderboard_snapshot(
         row.message = "排行榜后台统计任务已认领。"
         row.error = None
         row.updated_at = datetime.now(UTC)
-        await session.commit()
+        await _time_leaderboard_scheduler_db_operation(
+            "scheduler.claim.commit",
+            lambda: session.commit(),
+            sql="COMMIT",
+            stat_date=stat_date,
+            settings_hash=settings_hash,
+        )
     return True
 
 
@@ -1152,10 +1250,11 @@ This gateway provides custom endpoints for models, MCP configuration, skills, an
     # Admin LLM metrics audit + export
     app.include_router(llm_metrics.router)
 
-    # Admin window into other users' threads / messages / memory
-    app.include_router(admin_users.router)
-
-    # Admin tool / skill call metrics audit + export
+    # Admin window into other users' threads / messages / memory
+    app.include_router(admin_users.router)
+    app.include_router(admin_users.self_router)
+
+    # Admin tool / skill call metrics audit + export
     app.include_router(tool_metrics.router)
 
     # Channels API is mounted at /api/channels