release: bump version to 0.62.0

backend/app/api/v1/datasource_config.py

@@ -5,7 +5,7 @@ from datetime import datetime
 import base64
 import json
 import re
-from fastapi import APIRouter, Depends, HTTPException, Query
+from fastapi import APIRouter, Depends, HTTPException, Query, Request, status
 from sqlalchemy import delete, select, func
 from sqlalchemy.ext.asyncio import AsyncSession
 from pydantic import BaseModel, Field
@@ -45,14 +45,70 @@ from app.services.custom_datasource_runtime import (
 
 DATASOURCE_MAPPING_PROMPT_KEY = "datasource.mapping"
 from app.services.datasource_connectivity import (
+    _resolve_aisstream_api_key,
+    _resolve_spacetrack_credentials_with_override,
     get_builtin_connection_status,
     save_connectivity_success,
     strip_connectivity_validation,
     test_builtin_connectivity,
 )
+from app.services.barentswatch import resolve_barentswatch_config
+from app.services.persistent_logs import record_audit_log
 
 router = APIRouter()
 
+SECRET_REVEAL_ROLES = {"admin", "super_admin"}
+
+
+def _user_role_value(user: User) -> str:
+    role = getattr(user, "role", "")
+    return str(getattr(role, "value", role) or "").lower()
+
+
+def _user_display_name(user: User) -> str:
+    return str(getattr(user, "username", None) or getattr(user, "email", None) or getattr(user, "id", ""))
+
+
+async def _record_datasource_secret_reveal(
+    *,
+    current_user: User,
+    request: Request,
+    target_id: str,
+    result: str,
+    details: dict[str, Any],
+) -> None:
+    await record_audit_log(
+        action="datasource_config.secret.reveal",
+        actor_id=getattr(current_user, "id", None),
+        actor_name=_user_display_name(current_user),
+        target_type="datasource_config_secret",
+        target_id=target_id,
+        result=result,
+        ip=request.client.host if request.client else None,
+        details=details,
+    )
+
+
+async def _ensure_datasource_secret_reveal_allowed(
+    current_user: User,
+    request: Request,
+    target_id: str,
+    details: dict[str, Any],
+) -> None:
+    if _user_role_value(current_user) in SECRET_REVEAL_ROLES:
+        return
+    await _record_datasource_secret_reveal(
+        current_user=current_user,
+        request=request,
+        target_id=target_id,
+        result="denied",
+        details={**details, "role": _user_role_value(current_user)},
+    )
+    raise HTTPException(
+        status_code=status.HTTP_403_FORBIDDEN,
+        detail="Only administrators can reveal datasource credentials",
+    )
+
 def _default_builtin_config(name: str) -> dict[str, Any]:
     return {"timeout": 30, "retry": 3}
 
@@ -389,10 +445,14 @@ async def list_all_datasources(
         db_config = db_configs.get(name)
         default_config = _default_builtin_config(name)
         default_url = yaml_url
+        db_auth_config = db_config.auth_config or {} if db_config else {}
 
         result.append(
             {
                 "name": name,
+                "requires_credentials": bool(metadata.get("requires_credentials", False)),
+                "credential_provider": metadata.get("credential_provider"),
+                "credential_status": metadata.get("credential_status", "none"),
                 "default_url": default_url,
                 "endpoint": db_config.endpoint if db_config else default_url,
                 "is_overridden": db_config is not None and db_config.endpoint != yaml_url
@@ -401,10 +461,20 @@ async def list_all_datasources(
                 "is_active": db_config.is_active if db_config else True,
                 "source_type": db_config.source_type if db_config else _default_builtin_source_type(name),
                 "auth_type": db_config.auth_type if db_config else "none",
+                "auth_config": {
+                    "client_id": db_auth_config.get("client_id") or "",
+                    "username": db_auth_config.get("username") or "",
+                    "key_name": db_auth_config.get("key_name") or db_auth_config.get("param_name") or "",
+                    "param_name": db_auth_config.get("param_name") or db_auth_config.get("key_name") or "",
+                    "location": db_auth_config.get("location") or db_auth_config.get("in") or "",
+                    "in": db_auth_config.get("in") or db_auth_config.get("location") or "",
+                },
                 "auth_configured": {
-                    "api_key": bool((db_config.auth_config or {}).get("api_key"))
-                    if db_config
-                    else False,
+                    "api_key": bool(db_auth_config.get("api_key")),
+                    "client_id": bool(db_auth_config.get("client_id")),
+                    "client_secret": bool(db_auth_config.get("client_secret")),
+                    "username": bool(db_auth_config.get("username")),
+                    "password": bool(db_auth_config.get("password")),
                 },
                 "headers": db_config.headers if db_config else {},
                 "config": strip_connectivity_validation(db_config.config if db_config else default_config),
@@ -418,6 +488,96 @@ async def list_all_datasources(
     return {"total": len(result), "data": result}
 
 
+@router.get("/configs/secrets")
+async def reveal_builtin_config_secrets(
+    request: Request,
+    name: str = Query(..., min_length=1),
+    current_user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    """Reveal configured built-in datasource credentials for admin editing."""
+    source = name.strip()
+    metadata = DEFAULT_DATASOURCES.get(source)
+    if not metadata or not metadata.get("requires_credentials"):
+        raise HTTPException(status_code=404, detail="Credentialed datasource config not found")
+
+    provider = str(metadata.get("credential_provider") or "")
+    target_id = f"datasource_config:{source}"
+    await _ensure_datasource_secret_reveal_allowed(
+        current_user,
+        request,
+        target_id,
+        {"source": source, "provider": provider},
+    )
+
+    result = await db.execute(select(DataSourceConfig).where(DataSourceConfig.name == source))
+    record = result.scalar_one_or_none()
+    auth_config = dict(record.auth_config or {}) if record else {}
+    payload: dict[str, Any] = {
+        "name": source,
+        "provider": provider,
+    }
+    details: dict[str, Any] = {"source": source, "provider": provider}
+
+    if provider == "barentswatch":
+        resolved = await resolve_barentswatch_config(db)
+        client_id = str(auth_config.get("client_id") or resolved.client_id or "")
+        client_secret = str(auth_config.get("client_secret") or resolved.client_secret or "")
+        source_label = "datasource_config" if auth_config.get("client_id") or auth_config.get("client_secret") else resolved.credential_source
+        payload.update(
+            {
+                "client_id": client_id,
+                "client_secret": client_secret,
+                "client_id_source": source_label if client_id else "missing",
+                "client_secret_source": source_label if client_secret else "missing",
+            }
+        )
+        details.update(
+            {
+                "client_id_configured": bool(client_id),
+                "client_secret_configured": bool(client_secret),
+                "credential_source": source_label,
+            }
+        )
+    elif provider == "aisstream":
+        api_key, api_key_source = await _resolve_aisstream_api_key(db)
+        payload.update({"api_key": api_key, "api_key_source": api_key_source})
+        details.update({"api_key_configured": bool(api_key), "api_key_source": api_key_source})
+    elif provider == "spacetrack":
+        if auth_config.get("username") or auth_config.get("password"):
+            username = str(auth_config.get("username") or "")
+            password = str(auth_config.get("password") or "")
+            credential_source = "datasource_config"
+        else:
+            username, password, credential_source = _resolve_spacetrack_credentials_with_override()
+        payload.update(
+            {
+                "username": username,
+                "password": password,
+                "username_source": credential_source if username else "missing",
+                "password_source": credential_source if password else "missing",
+            }
+        )
+        details.update(
+            {
+                "username_configured": bool(username),
+                "password_configured": bool(password),
+                "credential_source": credential_source,
+            }
+        )
+    else:
+        raise HTTPException(status_code=400, detail="Datasource credential provider is not supported")
+
+    await _record_datasource_secret_reveal(
+        current_user=current_user,
+        request=request,
+        target_id=target_id,
+        result="success",
+        details=details,
+    )
+    return payload
+
+
 @router.get("/configs/{config_id}")
 async def get_config(
     config_id: int,

backend/app/api/v1/datasources.py

@@ -7,6 +7,7 @@ from pydantic import BaseModel, Field
 from sqlalchemy import func, or_, select, text
 from sqlalchemy.ext.asyncio import AsyncSession
 
+from app.core.cache import cache
 from app.core.time import to_iso8601_utc
 from app.core.security import get_current_user
 from app.core.data_sources import get_data_sources_config
@@ -26,6 +27,7 @@ from app.services.scheduler import (
     run_collector_now,
     sync_datasource_job,
 )
+from app.services.earth_layer_cache import invalidate_earth_layer_cache_for_source
 
 router = APIRouter()
 STALE_RUNNING_TASK_TIMEOUT_MINUTES = 90
@@ -235,6 +237,8 @@ async def _load_datasource_endpoint_overrides(
 async def _load_datasource_list_context(
     db: AsyncSession,
     datasources: list[DataSource],
+    *,
+    include_endpoint: bool = True,
 ) -> tuple[dict[int, CollectionTask], dict[int, CollectionTask], dict[str, str]]:
     datasource_ids = [datasource.id for datasource in datasources]
     sources = [datasource.source for datasource in datasources]
@@ -260,10 +264,65 @@ async def _load_datasource_list_context(
         running_tasks = await _load_latest_running_tasks(db, datasource_ids)
 
     latest_tasks = await _load_latest_tasks(db, datasource_ids)
-    endpoint_overrides = await _load_datasource_endpoint_overrides(db, sources)
+    endpoint_overrides = await _load_datasource_endpoint_overrides(db, sources) if include_endpoint else {}
     return running_tasks, latest_tasks, endpoint_overrides
 
 
+def serialize_datasource_row(
+    datasource: DataSource,
+    *,
+    running_tasks: dict[int, CollectionTask],
+    latest_tasks: dict[int, CollectionTask],
+    record_counts: dict[str, int],
+    endpoint_overrides: dict[str, str],
+    config,
+    include_endpoint: bool,
+) -> dict:
+    running_task = running_tasks.get(datasource.id)
+    latest_task = latest_tasks.get(datasource.id)
+    display_task = running_task or latest_task
+    endpoint = None
+    if include_endpoint:
+        endpoint = endpoint_overrides.get(datasource.source) or config.get_yaml_url(datasource.source)
+    last_run_at = datasource.last_run_at or (latest_task.completed_at if latest_task else None)
+    last_status = datasource.last_status or (latest_task.status if latest_task else None)
+    collected_records = record_counts.get(datasource.source, 0)
+
+    row = {
+        "id": datasource.id,
+        "source": datasource.source,
+        "name": datasource.name,
+        **datasource_metadata(datasource.source),
+        "product": datasource_product_key(datasource),
+        "module": datasource.module,
+        "priority": datasource.priority,
+        "frequency": format_frequency_label(datasource.frequency_minutes),
+        "frequency_minutes": datasource.frequency_minutes,
+        "is_active": datasource.is_active,
+        "collector_class": datasource.collector_class,
+        "last_run": to_iso8601_utc(last_run_at),
+        "last_run_at": to_iso8601_utc(last_run_at),
+        "last_status": last_status,
+        "is_running": running_task is not None,
+        "task_id": display_task.id if display_task else None,
+        "progress": display_task.progress if display_task else None,
+        "phase": display_task.phase if display_task else None,
+        "phase_progress": display_task.phase_progress if display_task else None,
+        "phase_message": display_task.phase_message if display_task else None,
+        "phase_current": display_task.phase_current if display_task else None,
+        "phase_total": display_task.phase_total if display_task else None,
+        "phase_unit": display_task.phase_unit if display_task else None,
+        "records_processed": display_task.records_processed if display_task else None,
+        "total_records": display_task.total_records if display_task else None,
+        "error_message": display_task.error_message if display_task else None,
+        "collected_records": collected_records,
+        "has_collected_data": collected_records > 0,
+    }
+    if include_endpoint:
+        row["endpoint"] = endpoint
+    return row
+
+
 def _apply_datasource_query_filters(
     query,
     *,
@@ -658,6 +717,7 @@ async def list_datasources(
     collected: Optional[bool] = None,
     credential_status: Optional[str] = None,
     q: Optional[str] = None,
+    include_endpoint: bool = True,
     current_user: User = Depends(get_current_user),
     db: AsyncSession = Depends(get_db),
 ):
@@ -676,7 +736,11 @@ async def list_datasources(
 
     collector_list = []
     config = get_data_sources_config()
-    running_tasks, latest_tasks, endpoint_overrides = await _load_datasource_list_context(db, datasources)
+    running_tasks, latest_tasks, endpoint_overrides = await _load_datasource_list_context(
+        db,
+        datasources,
+        include_endpoint=include_endpoint,
+    )
     record_counts = await _load_collected_record_counts(db, [datasource.source for datasource in datasources])
     datasources = _filter_datasources_in_memory(
         datasources,
@@ -689,46 +753,16 @@ async def list_datasources(
         credential_status=credential_status,
     )
     for datasource in datasources:
-        running_task = running_tasks.get(datasource.id)
-        latest_task = latest_tasks.get(datasource.id)
-        display_task = running_task or latest_task
-        endpoint = endpoint_overrides.get(datasource.source) or config.get_yaml_url(datasource.source)
-        last_run_at = datasource.last_run_at or (latest_task.completed_at if latest_task else None)
-        last_status = datasource.last_status or (latest_task.status if latest_task else None)
-        collected_records = record_counts.get(datasource.source, 0)
-
         collector_list.append(
-            {
-                "id": datasource.id,
-                "source": datasource.source,
-                "name": datasource.name,
-                **datasource_metadata(datasource.source),
-                "product": datasource_product_key(datasource),
-                "module": datasource.module,
-                "priority": datasource.priority,
-                "frequency": format_frequency_label(datasource.frequency_minutes),
-                "frequency_minutes": datasource.frequency_minutes,
-                "is_active": datasource.is_active,
-                "collector_class": datasource.collector_class,
-                "endpoint": endpoint,
-                "last_run": to_iso8601_utc(last_run_at),
-                "last_run_at": to_iso8601_utc(last_run_at),
-                "last_status": last_status,
-                "is_running": running_task is not None,
-                "task_id": display_task.id if display_task else None,
-                "progress": display_task.progress if display_task else None,
-                "phase": display_task.phase if display_task else None,
-                "phase_progress": display_task.phase_progress if display_task else None,
-                "phase_message": display_task.phase_message if display_task else None,
-                "phase_current": display_task.phase_current if display_task else None,
-                "phase_total": display_task.phase_total if display_task else None,
-                "phase_unit": display_task.phase_unit if display_task else None,
-                "records_processed": display_task.records_processed if display_task else None,
-                "total_records": display_task.total_records if display_task else None,
-                "error_message": display_task.error_message if display_task else None,
-                "collected_records": collected_records,
-                "has_collected_data": collected_records > 0,
-            }
+            serialize_datasource_row(
+                datasource,
+                running_tasks=running_tasks,
+                latest_tasks=latest_tasks,
+                record_counts=record_counts,
+                endpoint_overrides=endpoint_overrides,
+                config=config,
+                include_endpoint=include_endpoint,
+            )
         )
 
     return {"total": len(collector_list), "data": collector_list}
@@ -785,6 +819,51 @@ async def trigger_datasource_batch(
     return await _trigger_datasource_batch(db, datasources, force=payload.force)
 
 
+@router.get("/snapshots")
+async def list_datasource_snapshots(
+    source_id: Optional[str] = None,
+    current_only: Optional[bool] = None,
+    limit: int = Query(default=100, ge=1, le=500),
+    current_user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    query = (
+        select(DataSnapshot, DataSource.name, DataSource.module)
+        .outerjoin(DataSource, DataSource.id == DataSnapshot.datasource_id)
+        .order_by(DataSnapshot.created_at.desc().nullslast(), DataSnapshot.id.desc())
+        .limit(limit)
+    )
+    if source_id:
+        query = query.where(DataSnapshot.source == source_id)
+    if current_only is not None:
+        query = query.where(DataSnapshot.is_current.is_(current_only))
+
+    result = await db.execute(query)
+    rows = []
+    for snapshot, datasource_name, datasource_module in result.all():
+        rows.append(
+            {
+                "id": snapshot.id,
+                "datasource_id": snapshot.datasource_id,
+                "datasource_name": datasource_name,
+                "module": datasource_module,
+                "task_id": snapshot.task_id,
+                "source": snapshot.source,
+                "snapshot_key": snapshot.snapshot_key,
+                "reference_date": to_iso8601_utc(snapshot.reference_date),
+                "started_at": to_iso8601_utc(snapshot.started_at),
+                "completed_at": to_iso8601_utc(snapshot.completed_at),
+                "record_count": snapshot.record_count,
+                "status": snapshot.status,
+                "is_current": snapshot.is_current,
+                "parent_snapshot_id": snapshot.parent_snapshot_id,
+                "summary": snapshot.summary or {},
+                "created_at": to_iso8601_utc(snapshot.created_at),
+            }
+        )
+    return {"total": len(rows), "data": rows}
+
+
 @router.get("/{source_id}")
 async def get_datasource(
     source_id: str,
@@ -813,6 +892,37 @@ async def get_datasource(
     }
 
 
+@router.get("/{source_id}/row")
+async def get_datasource_row(
+    source_id: str,
+    include_endpoint: bool = True,
+    current_user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    datasource = await get_datasource_record(db, source_id)
+    if not datasource:
+        raise HTTPException(status_code=404, detail="Data source not found")
+
+    config = get_data_sources_config()
+    running_tasks, latest_tasks, endpoint_overrides = await _load_datasource_list_context(
+        db,
+        [datasource],
+        include_endpoint=include_endpoint,
+    )
+    record_counts = await _load_collected_record_counts(db, [datasource.source])
+    return {
+        "data": serialize_datasource_row(
+            datasource,
+            running_tasks=running_tasks,
+            latest_tasks=latest_tasks,
+            record_counts=record_counts,
+            endpoint_overrides=endpoint_overrides,
+            config=config,
+            include_endpoint=include_endpoint,
+        )
+    }
+
+
 @router.post("/{source_id}/enable")
 async def enable_datasource(
     source_id: str,
@@ -960,6 +1070,29 @@ async def clear_datasource_data(
     }
 
 
+@router.delete("/{source_id}/cache")
+async def clear_datasource_cache(
+    source_id: str,
+    current_user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    datasource = await get_datasource_record(db, source_id)
+    if not datasource:
+        raise HTTPException(status_code=404, detail="Data source not found")
+
+    earth_deleted_count = invalidate_earth_layer_cache_for_source(datasource.source)
+    dashboard_deleted_count = int(cache.delete("dashboard:stats")) + int(cache.delete("dashboard:summary"))
+    deleted_count = earth_deleted_count + dashboard_deleted_count
+
+    return {
+        "status": "success",
+        "message": f"Cleared {deleted_count} cache keys for data source '{datasource.name}'",
+        "deleted_count": deleted_count,
+        "earth_layer_deleted_count": earth_deleted_count,
+        "dashboard_deleted_count": dashboard_deleted_count,
+    }
+
+
 @router.get("/{source_id}/task-status")
 async def get_task_status(
     source_id: str,

backend/app/api/v1/settings.py

@@ -4,7 +4,8 @@ import os
 from pathlib import Path
 from typing import Optional
 
-from fastapi import APIRouter, Depends, HTTPException, Query
+from fastapi import APIRouter, Depends, HTTPException, Query, Request, status
+import httpx
 from pydantic import BaseModel, EmailStr, Field
 from dotenv import dotenv_values
 from sqlalchemy import select
@@ -64,10 +65,12 @@ from app.services.llm_provider_catalog import (
 )
 from app.services.scheduler import sync_datasource_job
 from app.services.tv_streams import DEFAULT_TV_SETTINGS, get_tv_settings_payload, normalize_tv_settings
+from app.services.persistent_logs import record_audit_log
 
 router = APIRouter()
 AI_PROVIDER_QUICK_CONNECT_TIMEOUT_SECONDS = 5
 AI_CONNECTION_TEST_PROMPT_KEY = "ai.connection_test"
+SECRET_REVEAL_ROLES = {"admin", "super_admin"}
 
 DEFAULT_SETTINGS = {
     "system": {
@@ -130,6 +133,70 @@ DEFAULT_SETTINGS = {
 }
 
 
+def _user_role_value(user: User) -> str:
+    role = getattr(user, "role", "")
+    return role.value if hasattr(role, "value") else str(role or "")
+
+
+def _user_display_name(user: User) -> str | None:
+    return getattr(user, "username", None) or getattr(user, "email", None)
+
+
+def _request_client_ip(request: Request | None) -> str | None:
+    if request is None or request.client is None:
+        return None
+    return request.client.host
+
+
+def _can_reveal_integration_secrets(user: User) -> bool:
+    return _user_role_value(user) in SECRET_REVEAL_ROLES
+
+
+async def _record_integration_secret_reveal(
+    *,
+    current_user: User,
+    request: Request | None,
+    target_id: str,
+    result: str,
+    details: dict,
+) -> None:
+    await record_audit_log(
+        action="settings.integration_secret.reveal",
+        actor_id=getattr(current_user, "id", None),
+        actor_name=_user_display_name(current_user),
+        target_type="integration_secret",
+        target_id=target_id,
+        result=result,
+        ip=_request_client_ip(request),
+        details=details,
+    )
+
+
+async def _ensure_secret_reveal_allowed(
+    *,
+    current_user: User,
+    request: Request | None,
+    target_id: str,
+    details: dict | None = None,
+) -> None:
+    if _can_reveal_integration_secrets(current_user):
+        return
+    await _record_integration_secret_reveal(
+        current_user=current_user,
+        request=request,
+        target_id=target_id,
+        result="denied",
+        details={
+            **(details or {}),
+            "role": _user_role_value(current_user),
+        },
+    )
+    raise HTTPException(
+        status_code=status.HTTP_403_FORBIDDEN,
+        detail="Only administrators can reveal integration secrets",
+    )
+
+
 class SystemSettingsUpdate(BaseModel):
     system_name: str = "智能星球"
     refresh_interval: int = Field(default=60, ge=10, le=3600)
@@ -353,9 +420,10 @@ def _get_provider_preset(provider: str) -> dict:
             "provider": provider,
             "provider_api": "openai-completions",
             "base_url": "",
-            "model": "",
-            "models": [],
-            "api_key_env": "",
+        "model": "",
+        "models": [],
+        "model_provider_apis": {},
+        "api_key_env": "",
         }
 
 
@@ -377,6 +445,9 @@ def _resolve_env_secret(*names: str) -> tuple[str, str]:
         value = env_file_values.get(name)
         if value:
             return value, "env_file"
+        value = os.environ.get(name)
+        if value:
+            return value, "env"
     return "", ""
 
 
@@ -419,9 +490,16 @@ def _provider_defaults(provider: str) -> dict:
             1200 if preset.get("provider_api") == "anthropic-messages" else 4096
         ),
         "anthropic_version": "2023-06-01",
+        "model_provider_apis": preset.get("model_provider_apis") or {},
     }
 
 
+def _selected_ai_env_provider() -> str:
+    env_file_values = _read_ai_provider_env_file()
+    provider = env_file_values.get("AI_PROVIDER") or os.environ.get("AI_PROVIDER") or "minimax"
+    return _normalize_provider_id(provider)
+
+
 def _normalize_ai_provider_payload(ai_payload: dict | None) -> dict:
     raw = dict(ai_payload or {})
     default_provider = _normalize_provider_id(raw.get("default_provider") or raw.get("provider"))
@@ -440,6 +518,7 @@ def _normalize_ai_provider_payload(ai_payload: dict | None) -> dict:
             "api_key",
             "max_tokens",
             "anthropic_version",
+            "model_provider_apis",
         )
         if raw.get(key) not in (None, "")
     }
@@ -477,7 +556,12 @@ def _resolve_provider_api_key(provider: str, provider_config: dict) -> tuple[str
         return str(saved_key), "runtime"
     preset = _get_provider_preset(provider)
     api_key_env = preset.get("api_key_env") or ""
-    return _resolve_env_secret(api_key_env, "AI_API_KEY")
+    value, source = _resolve_env_secret(api_key_env)
+    if value:
+        return value, source
+    if _normalize_provider_id(provider) == _selected_ai_env_provider():
+        return _resolve_env_secret("AI_API_KEY")
+    return "", ""
 
 
 def _resolve_service_token(ai_payload: dict) -> tuple[str, str]:
@@ -509,7 +593,12 @@ def _is_secret_placeholder(value: Optional[str], current_preview: str = "") -> b
 
 def _build_ai_provider_payload(current_payload: dict, update: AIProviderIntegrationUpdate) -> dict:
     current_ai = _normalize_ai_provider_payload(current_payload.get("ai_provider") or {})
-    provider_id = _normalize_provider_id(update.default_provider or update.provider)
+    provider_id = _normalize_provider_id(update.provider)
+    default_provider = (
+        _normalize_provider_id(update.default_provider)
+        if update.default_provider is not None
+        else current_ai["default_provider"]
+    )
     current_providers = {
         provider: dict(config or {})
         for provider, config in current_ai.get("providers", {}).items()
@@ -543,7 +632,7 @@ def _build_ai_provider_payload(current_payload: dict, update: AIProviderIntegrat
         "service_url": update.service_url.strip()
         or app_settings.AI_PROVIDER_SERVICE_URL,
         "service_token": current_ai.get("service_token") or "",
-        "default_provider": provider_id,
+        "default_provider": default_provider,
         "providers": current_providers,
         "timeout_seconds": update.timeout_seconds,
         "retry_attempts": update.retry_attempts,
@@ -577,6 +666,8 @@ def _runtime_config_from_ai_payload(ai_payload: dict) -> dict:
             "api_key": api_key,
             "max_tokens": int(provider_config.get("max_tokens") or 1200),
             "anthropic_version": provider_config.get("anthropic_version") or "2023-06-01",
+            "model_provider_apis": provider_config.get("model_provider_apis") or {},
+            "preset_models": _get_provider_preset(default_provider).get("models") or [],
         },
     }
 
@@ -631,6 +722,159 @@ async def _validate_ai_provider_full_connection(ai_payload: dict) -> dict:
     }
 
 
+def _join_provider_url(base_url: str, path: str) -> str:
+    return f"{base_url.rstrip('/')}/{path.lstrip('/')}"
+
+
+def _extract_model_ids(payload: dict) -> list[str]:
+    data = payload.get("data") if isinstance(payload, dict) else None
+    if isinstance(data, list):
+        return [
+            str(item.get("id"))
+            for item in data
+            if isinstance(item, dict) and item.get("id")
+        ]
+    models = payload.get("models") if isinstance(payload, dict) else None
+    if isinstance(models, list):
+        return [
+            str(item.get("name") or item.get("model") or item.get("id") or item)
+            for item in models
+            if item
+        ]
+    return []
+
+
+def _contains_model(model_ids: list[str], model: str) -> bool:
+    normalized_model = model.strip().lower()
+    return any(str(item).strip().lower() == normalized_model for item in model_ids)
+
+
+async def _check_ai_provider_lightweight(llm_config: dict, timeout_seconds: int) -> dict:
+    provider = _normalize_provider_id(llm_config.get("provider") or "")
+    configured_api = str(llm_config.get("provider_api") or "").strip() or "openai-completions"
+    model = str(llm_config.get("model") or "").strip()
+    base_url = str(llm_config.get("base_url") or "").strip().rstrip("/")
+    api_key = str(llm_config.get("api_key") or "").strip()
+    provider_api = configured_api
+    model_provider_apis = llm_config.get("model_provider_apis")
+    if isinstance(model_provider_apis, dict):
+        provider_api = str(model_provider_apis.get(model) or provider_api)
+    preset_models = [
+        str(item)
+        for item in (llm_config.get("preset_models") or [])
+        if str(item).strip()
+    ]
+
+    if not provider or not base_url or not model:
+        return {
+            "success": False,
+            "connected": False,
+            "message": "当前 provider/base_url/model 未完整配置。",
+            "mode": "lightweight_config",
+        }
+    if provider_api != "ollama-generate" and not api_key:
+        return {
+            "success": False,
+            "connected": False,
+            "message": "当前 provider 未配置 API Key。",
+            "mode": "lightweight_config",
+        }
+
+    if provider == "opencode-go":
+        url = _join_provider_url(base_url, "/models")
+        headers = {"Authorization": f"Bearer {api_key}"}
+    elif provider_api == "ollama-generate":
+        url = _join_provider_url(base_url, "/api/tags")
+        headers: dict[str, str] = {}
+    elif provider_api == "openai-completions":
+        url = _join_provider_url(base_url, "/models")
+        headers = {"Authorization": f"Bearer {api_key}"}
+    elif provider_api == "anthropic-messages":
+        url = _join_provider_url(base_url, "/models")
+        headers = {
+            "x-api-key": api_key,
+            "anthropic-version": str(llm_config.get("anthropic_version") or "2023-06-01"),
+        }
+    else:
+        return {
+            "success": False,
+            "connected": False,
+            "message": f"当前 provider_api 不支持轻量连通性测试: {provider_api}",
+            "mode": "lightweight_unsupported",
+        }
+
+    try:
+        async with httpx.AsyncClient(timeout=min(timeout_seconds, AI_PROVIDER_QUICK_CONNECT_TIMEOUT_SECONDS)) as client:
+            response = await client.get(url, headers=headers)
+            response.raise_for_status()
+            payload = response.json()
+    except httpx.HTTPStatusError as exc:
+        detail = exc.response.text or exc.response.reason_phrase
+        if exc.response.status_code == 404 and _contains_model(preset_models, model):
+            return {
+                "success": True,
+                "connected": True,
+                "message": "轻量连通性测试通过；当前 provider 不提供可用的模型目录，已按内置模型预设确认。",
+                "mode": "lightweight_preset",
+                "provider": provider,
+                "provider_api": provider_api,
+                "model": model,
+                "url": url,
+            }
+        return {
+            "success": False,
+            "connected": False,
+            "message": f"轻量连通性测试失败: HTTP {exc.response.status_code} {detail}",
+            "mode": "lightweight_models",
+            "url": url,
+        }
+    except Exception as exc:
+        return {
+            "success": False,
+            "connected": False,
+            "message": f"轻量连通性测试失败: {exc}",
+            "mode": "lightweight_models",
+            "url": url,
+        }
+
+    model_ids = _extract_model_ids(payload)
+    if model_ids and not _contains_model(model_ids, model):
+        if _contains_model(preset_models, model):
+            return {
+                "success": True,
+                "connected": True,
+                "message": "轻量连通性测试通过；provider 模型目录未返回当前别名，已按内置模型预设确认。",
+                "mode": "lightweight_models_with_preset_alias",
+                "provider": provider,
+                "provider_api": provider_api,
+                "model": model,
+                "models_count": len(model_ids),
+                "url": url,
+            }
+        return {
+            "success": False,
+            "connected": False,
+            "message": f"连接可用，但模型目录中没有当前模型: {model}",
+            "mode": "lightweight_models",
+            "provider": provider,
+            "model": model,
+            "models_count": len(model_ids),
+            "url": url,
+        }
+
+    return {
+        "success": True,
+        "connected": True,
+        "message": "轻量连通性测试通过",
+        "mode": "lightweight_models",
+        "provider": provider,
+        "provider_api": provider_api,
+        "model": model,
+        "models_count": len(model_ids),
+        "url": url,
+    }
+
+
 def _web_search_provider_defaults(provider: str) -> dict:
     return web_search_provider_defaults(provider).model_dump()
 
@@ -691,12 +935,21 @@ def _normalize_web_search_payload(web_search_payload: dict | None) -> dict:
     }
 
 
-def _resolve_web_search_api_key(provider: str, provider_config: dict) -> tuple[str, str]:
+def _resolve_web_search_api_key(
+    provider: str,
+    provider_config: dict,
+    default_provider: str | None = None,
+) -> tuple[str, str]:
     saved_key = provider_config.get("api_key") or ""
     if saved_key:
         return str(saved_key), "runtime"
     preset = get_web_search_provider_preset(provider)
-    return _resolve_web_search_env_secret(preset.get("api_key_env") or "", "WEB_SEARCH_API_KEY")
+    value, source = _resolve_web_search_env_secret(preset.get("api_key_env") or "")
+    if value:
+        return value, source
+    if normalize_web_search_provider(provider) == normalize_web_search_provider(default_provider or "tavily"):
+        return _resolve_web_search_env_secret("WEB_SEARCH_API_KEY")
+    return "", ""
 
 
 def _build_web_search_payload(
@@ -706,13 +959,22 @@ def _build_web_search_payload(
     current_web_search = _normalize_web_search_payload(current_payload.get("web_search") or {})
     if update is None:
         return current_web_search
-    provider_id = normalize_web_search_provider(update.default_provider or update.provider)
+    provider_id = normalize_web_search_provider(update.provider)
+    default_provider = (
+        normalize_web_search_provider(update.default_provider)
+        if update.default_provider is not None
+        else current_web_search["default_provider"]
+    )
     current_providers = {
         provider: dict(config or {})
         for provider, config in current_web_search.get("providers", {}).items()
     }
     current_provider = current_providers.get(provider_id) or _web_search_provider_defaults(provider_id)
-    current_key, current_key_source = _resolve_web_search_api_key(provider_id, current_provider)
+    current_key, current_key_source = _resolve_web_search_api_key(
+        provider_id,
+        current_provider,
+        current_web_search["default_provider"],
+    )
     current_key_preview = _mask_secret(current_key, current_key_source)["preview"]
     provider_payload = {
         **_web_search_provider_defaults(provider_id),
@@ -745,7 +1007,7 @@ def _build_web_search_payload(
     current_providers[provider_id] = provider_payload
     return {
         "enabled": update.enabled,
-        "default_provider": provider_id,
+        "default_provider": default_provider,
         "providers": current_providers,
     }
 
@@ -754,12 +1016,12 @@ def _runtime_config_from_web_search_payload(web_search_payload: dict) -> WebSear
     normalized = _normalize_web_search_payload(web_search_payload)
     provider_id = normalized["default_provider"]
     provider_config = normalized["providers"].get(provider_id) or _web_search_provider_defaults(provider_id)
-    api_key, _source = _resolve_web_search_api_key(provider_id, provider_config)
+    api_key, _source = _resolve_web_search_api_key(provider_id, provider_config, provider_id)
     provider_models = {
         provider: WebSearchProviderConfig(**{
             **config,
             "api_key": (
-                api_key if provider == provider_id else _resolve_web_search_api_key(provider, config)[0]
+                api_key if provider == provider_id else _resolve_web_search_api_key(provider, config, provider_id)[0]
             ),
         })
         for provider, config in normalized["providers"].items()
@@ -893,7 +1155,11 @@ async def serialize_external_integrations(db: AsyncSession) -> dict:
             normalized_web_search["providers"].get(provider_id)
             or _web_search_provider_defaults(provider_id)
         )
-        api_key, api_key_source = _resolve_web_search_api_key(provider_id, provider_config)
+        api_key, api_key_source = _resolve_web_search_api_key(
+            provider_id,
+            provider_config,
+            normalized_web_search["default_provider"],
+        )
         web_search_providers_payload[provider_id] = {
             **{
                 key: value
@@ -980,10 +1246,7 @@ async def save_external_integrations_payload(
     update: ExternalIntegrationsUpdate,
 ) -> dict:
     current_payload = await get_setting_payload(db, "external_integrations")
-    current_ai_payload = _normalize_ai_provider_payload(current_payload.get("ai_provider") or {})
     ai_payload = _build_ai_provider_payload(current_payload, update.ai_provider)
-    if _ai_provider_runtime_fingerprint(ai_payload) != _ai_provider_runtime_fingerprint(current_ai_payload):
-        await _validate_ai_provider_full_connection(ai_payload)
     web_search_payload = _build_web_search_payload(current_payload, update.web_search)
     ocr_payload = _build_ocr_payload(current_payload, update.ocr)
 
@@ -1331,6 +1594,10 @@ async def connect_ai_provider_integration(
     db: AsyncSession = Depends(get_db),
 ):
     current_payload = await get_setting_payload(db, "external_integrations")
+    # Connection testing should validate the provider being edited, not the
+    # currently saved default provider. This is a transient draft only and is
+    # intentionally not persisted.
+    payload = payload.model_copy(update={"default_provider": payload.provider})
     draft_ai_payload = _build_ai_provider_payload(current_payload, payload)
     runtime_config = _runtime_config_from_ai_payload(draft_ai_payload)
     quick_llm_config = {
@@ -1354,24 +1621,16 @@ async def connect_ai_provider_integration(
                 "message": "AI Provider 可访问，但当前 provider/model/key 未完整配置。",
                 "status": status_result.model_dump(),
             }
-        prompt = await get_effective_prompt(db, AI_CONNECTION_TEST_PROMPT_KEY)
-        probe_result = await client.analyze(
-            SituationalAnalysisRequest(
-                title="快速连接测试",
-                objective=prompt.prompt,
-                system_prompt=prompt.system_prompt or None,
-                observations=[],
-                constraints=["Output only OK."],
-            )
+        lightweight_result = await _check_ai_provider_lightweight(
+            quick_llm_config,
+            timeout_seconds=min(
+                int(runtime_config["timeout_seconds"] or 60),
+                AI_PROVIDER_QUICK_CONNECT_TIMEOUT_SECONDS,
+            ),
         )
         return {
-            "success": True,
-            "connected": True,
-            "message": "连接测试通过",
+            **lightweight_result,
             "status": status_result.model_dump(),
-            "provider": probe_result.provider,
-            "model": probe_result.model,
-            "mode": "quick_probe",
         }
     except HTTPException as exc:
         return {
@@ -1389,16 +1648,38 @@ async def connect_ai_provider_integration(
 
 @router.get("/integrations/ai-provider/secrets")
 async def reveal_ai_provider_secrets(
+    request: Request,
     provider: str = Query(default=""),
     current_user: User = Depends(get_current_user),
     db: AsyncSession = Depends(get_db),
 ):
+    requested_provider = _normalize_provider_id(provider) if provider else "default"
+    await _ensure_secret_reveal_allowed(
+        current_user=current_user,
+        request=request,
+        target_id=f"ai_provider:{requested_provider}",
+        details={"kind": "ai_provider", "provider": requested_provider},
+    )
     current_payload = await get_setting_payload(db, "external_integrations")
     ai_payload = _normalize_ai_provider_payload(current_payload.get("ai_provider") or {})
     provider_id = _normalize_provider_id(provider or ai_payload["default_provider"])
     provider_config = ai_payload["providers"].get(provider_id) or _provider_defaults(provider_id)
     api_key, api_key_source = _resolve_provider_api_key(provider_id, provider_config)
     service_token, service_token_source = _resolve_service_token(ai_payload)
+    await _record_integration_secret_reveal(
+        current_user=current_user,
+        request=request,
+        target_id=f"ai_provider:{provider_id}",
+        result="success",
+        details={
+            "kind": "ai_provider",
+            "provider": provider_id,
+            "api_key_configured": bool(api_key),
+            "api_key_source": api_key_source,
+            "service_token_configured": bool(service_token),
+            "service_token_source": service_token_source,
+        },
+    )
     return {
         "provider": provider_id,
         "api_key": api_key,
@@ -1417,10 +1698,18 @@ async def get_web_search_presets(
 
 @router.get("/integrations/web-search/secrets")
 async def reveal_web_search_secrets(
+    request: Request,
     provider: str = Query(default=""),
     current_user: User = Depends(get_current_user),
     db: AsyncSession = Depends(get_db),
 ):
+    requested_provider = normalize_web_search_provider(provider) if provider else "default"
+    await _ensure_secret_reveal_allowed(
+        current_user=current_user,
+        request=request,
+        target_id=f"web_search:{requested_provider}",
+        details={"kind": "web_search", "provider": requested_provider},
+    )
     current_payload = await get_setting_payload(db, "external_integrations")
     web_search_payload = _normalize_web_search_payload(current_payload.get("web_search") or {})
     provider_id = normalize_web_search_provider(provider or web_search_payload["default_provider"])
@@ -1428,7 +1717,23 @@ async def reveal_web_search_secrets(
         web_search_payload["providers"].get(provider_id)
         or _web_search_provider_defaults(provider_id)
     )
-    api_key, api_key_source = _resolve_web_search_api_key(provider_id, provider_config)
+    api_key, api_key_source = _resolve_web_search_api_key(
+        provider_id,
+        provider_config,
+        web_search_payload["default_provider"],
+    )
+    await _record_integration_secret_reveal(
+        current_user=current_user,
+        request=request,
+        target_id=f"web_search:{provider_id}",
+        result="success",
+        details={
+            "kind": "web_search",
+            "provider": provider_id,
+            "api_key_configured": bool(api_key),
+            "api_key_source": api_key_source,
+        },
+    )
     return {
         "provider": provider_id,
         "api_key": api_key,
@@ -1438,12 +1743,31 @@ async def reveal_web_search_secrets(
 
 @router.get("/integrations/ocr/secrets")
 async def reveal_ocr_secrets(
+    request: Request,
     current_user: User = Depends(get_current_user),
     db: AsyncSession = Depends(get_db),
 ):
+    await _ensure_secret_reveal_allowed(
+        current_user=current_user,
+        request=request,
+        target_id="ocr:default",
+        details={"kind": "ocr", "provider": "default"},
+    )
     current_payload = await get_setting_payload(db, "external_integrations")
     ocr_payload = _normalize_ocr_payload(current_payload.get("ocr") or {})
     api_key, api_key_source = _resolve_ocr_api_key(ocr_payload)
+    await _record_integration_secret_reveal(
+        current_user=current_user,
+        request=request,
+        target_id=f"ocr:{ocr_payload['provider']}",
+        result="success",
+        details={
+            "kind": "ocr",
+            "provider": ocr_payload["provider"],
+            "api_key_configured": bool(api_key),
+            "api_key_source": api_key_source,
+        },
+    )
     return {
         "provider": ocr_payload["provider"],
         "api_key": api_key,
@@ -1547,9 +1871,17 @@ async def get_ai_provider_presets(
 async def refresh_ai_provider_preset(
     provider: str,
     current_user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
 ):
     try:
-        return {"data": await refresh_llm_provider_preset(provider)}
+        provider_id = _normalize_provider_id(provider)
+        api_key = None
+        if provider_id == "opencode-go":
+            current_payload = await get_setting_payload(db, "external_integrations")
+            ai_payload = _normalize_ai_provider_payload(current_payload.get("ai_provider") or {})
+            provider_config = ai_payload["providers"].get(provider_id) or _provider_defaults(provider_id)
+            api_key, _api_key_source = _resolve_provider_api_key(provider_id, provider_config)
+        return {"data": await refresh_llm_provider_preset(provider_id, api_key=api_key)}
     except ValueError as exc:
         raise HTTPException(status_code=404, detail=str(exc)) from exc
     except Exception as exc:

backend/app/api/v1/system_control.py

@@ -8,9 +8,13 @@ from datetime import datetime
 
 from fastapi import APIRouter, Depends, HTTPException, Query, Request, status
 from pydantic import BaseModel
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
 
 from app.core.config import ROOT_DIR
 from app.core.security import get_current_user
+from app.db.session import get_db
+from app.models.system_log import AuditLog, SystemLog
 from app.models.user import User
 from app.services.persistent_logs import record_audit_log, record_system_log
 from app.services.system_control import (
@@ -310,7 +314,120 @@ async def get_system_log_sources(
     current_user: User = Depends(get_current_user),
 ):
     ensure_super_admin(current_user)
-    return {"items": list_log_sources()}
+    return {
+        "items": [
+            *list_log_sources(),
+            {
+                "source_id": "system-db",
+                "name": "系统事件",
+                "kind": "database",
+                "location": "table://system_logs",
+                "description": "后端持久化系统事件、AI 和采集器操作日志。",
+                "category": "database",
+                "status": "ok",
+            },
+            {
+                "source_id": "audit-db",
+                "name": "审计事件",
+                "kind": "database",
+                "location": "table://audit_logs",
+                "description": "管理员敏感操作和密钥 reveal 审计记录。",
+                "category": "audit",
+                "status": "ok",
+            },
+        ]
+    }
+
+
+async def read_database_log_snapshot(
+    source_id: str,
+    *,
+    limit: int,
+    level: str,
+    levels: str | None,
+    start_date: str | None,
+    end_date: str | None,
+    search: str | None,
+    db: AsyncSession,
+) -> dict | None:
+    selected_levels = set(normalize_log_level(item) for item in (levels or level).split(",") if item.strip())
+    selected_levels.discard("all")
+    search_query = (search or "").strip().lower()
+    lines: list[str] = []
+
+    if source_id == "system-db":
+        query = select(SystemLog).order_by(SystemLog.occurred_at.desc().nullslast(), SystemLog.id.desc()).limit(limit * 5)
+        result = await db.execute(query)
+        records = result.scalars().all()
+        for record in records:
+            record_level = normalize_log_level(record.level)
+            if selected_levels and record_level not in selected_levels:
+                continue
+            occurred_at = record.occurred_at.date().isoformat() if record.occurred_at else ""
+            if start_date and occurred_at and occurred_at < start_date:
+                continue
+            if end_date and occurred_at and occurred_at > end_date:
+                continue
+            line = " ".join(
+                part
+                for part in [
+                    record.occurred_at.isoformat() if record.occurred_at else "",
+                    record_level.upper(),
+                    record.source,
+                    record.event or "",
+                    record.message,
+                ]
+                if part
+            )
+            if search_query and search_query not in line.lower():
+                continue
+            lines.append(line)
+    elif source_id == "audit-db":
+        query = select(AuditLog).order_by(AuditLog.occurred_at.desc().nullslast(), AuditLog.id.desc()).limit(limit * 5)
+        result = await db.execute(query)
+        records = result.scalars().all()
+        for record in records:
+            occurred_at = record.occurred_at.date().isoformat() if record.occurred_at else ""
+            if start_date and occurred_at and occurred_at < start_date:
+                continue
+            if end_date and occurred_at and occurred_at > end_date:
+                continue
+            line = " ".join(
+                part
+                for part in [
+                    record.occurred_at.isoformat() if record.occurred_at else "",
+                    "INFO",
+                    record.action,
+                    record.target_type or "",
+                    record.target_id or "",
+                    record.result or "",
+                ]
+                if part
+            )
+            if search_query and search_query not in line.lower():
+                continue
+            lines.append(line)
+    else:
+        return None
+
+    lines = list(reversed(lines[:limit]))
+    return {
+        "source_id": source_id,
+        "name": "系统事件" if source_id == "system-db" else "审计事件",
+        "kind": "database",
+        "location": "table://system_logs" if source_id == "system-db" else "table://audit_logs",
+        "description": "数据库持久化日志",
+        "category": "database" if source_id == "system-db" else "audit",
+        "status": "ok" if lines else "empty",
+        "level": level,
+        "selected_levels": sorted(selected_levels),
+        "search_query": search or "",
+        "available_levels": ["all", "error", "warning", "info", "debug"],
+        "daily_markers": [],
+        "line_limit": limit,
+        "line_count": len(lines),
+        "lines": lines,
+    }
 
 
 @router.get("/logs/{source_id}", response_model=SystemLogSnapshotResponse)
@@ -323,6 +440,7 @@ async def get_system_log_snapshot(
     end_date: str | None = Query(None, description="Filter logs until this date (YYYY-MM-DD)"),
     search: str | None = Query(None, description="Case-insensitive substring search"),
     current_user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
 ):
     ensure_super_admin(current_user)
 
@@ -345,15 +463,26 @@ async def get_system_log_snapshot(
     if normalized_start_date and normalized_end_date and normalized_start_date > normalized_end_date:
         raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="start_date must be earlier than or equal to end_date")
 
-    snapshot = read_log_snapshot(
+    snapshot = await read_database_log_snapshot(
         source_id,
-        limit,
+        limit=limit,
         level=level,
         levels=levels,
         start_date=normalized_start_date,
         end_date=normalized_end_date,
         search=search,
+        db=db,
     )
+    if snapshot is None:
+        snapshot = read_log_snapshot(
+            source_id,
+            limit,
+            level=level,
+            levels=levels,
+            start_date=normalized_start_date,
+            end_date=normalized_end_date,
+            search=search,
+        )
     if snapshot is None:
         raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Log source not found")
     return snapshot

backend/app/api/v1/visualization.py

@@ -2159,6 +2159,24 @@ async def collect_compute_center_location(
             llm_failure_reason = llm_result.failure_reason
 
     if not candidates:
+        logger.warning_event(
+            "Compute center location collection returned no candidates",
+            event="visualization.compute_center.location_collect.completed",
+            context={
+                "source_id": source_id,
+                "record_id": record_id,
+                "name": name,
+                "success": False,
+                "llm_failure_reason": llm_failure_reason,
+                "attempted_queries": list(attempted_queries),
+                "context": {
+                    "operator": operator,
+                    "site": site,
+                    "city": city,
+                    "country": country,
+                },
+            },
+        )
         return {
             "source_id": source_id,
             "record_id": record_id,
@@ -2180,13 +2198,34 @@ async def collect_compute_center_location(
             },
         }
 
+    best_candidate = candidates[0].to_dict()
+    logger.info_event(
+        "Compute center location collection returned candidates",
+        event="visualization.compute_center.location_collect.completed",
+        context={
+            "source_id": source_id,
+            "record_id": record_id,
+            "name": name,
+            "success": True,
+            "candidate_count": len(candidates),
+            "best_candidate": best_candidate,
+            "llm_failure_reason": llm_failure_reason,
+            "attempted_queries": list(attempted_queries),
+            "context": {
+                "operator": operator,
+                "site": site,
+                "city": city,
+                "country": country,
+            },
+        },
+    )
     return {
         "source_id": source_id,
         "record_id": record_id,
         "name": name,
         "success": True,
         "candidates": [candidate.to_dict() for candidate in candidates],
-        "best_candidate": candidates[0].to_dict(),
+        "best_candidate": best_candidate,
         "attempted_queries": list(attempted_queries),
         "context": {
             "name": name,

backend/app/api/v1/websocket.py

@@ -14,6 +14,7 @@ from app.core.websocket.manager import manager
 
 logger = get_logger(__name__, service="api")
 router = APIRouter()
+EARTH_UPDATES_CHANNEL = "earth_updates"
 
 
 async def authenticate_token(token: str) -> Optional[dict]:
@@ -58,7 +59,7 @@ async def websocket_endpoint(
 
     is_anonymous = payload is None
     user_id = str(payload.get("sub")) if payload else f"anonymous:{id(websocket)}"
-    supported_channels = ["vessels", "earth_news"] if is_anonymous else [
+    supported_channels = ["vessels", "earth_news", EARTH_UPDATES_CHANNEL] if is_anonymous else [
         "gpu_clusters",
         "submarine_cables",
         "ixp_nodes",
@@ -67,6 +68,7 @@ async def websocket_endpoint(
         "datasource_tasks",
         "vessels",
         "earth_news",
+        EARTH_UPDATES_CHANNEL,
     ]
     await manager.connect(websocket, user_id)
 

backend/app/core/websocket/broadcaster.py

@@ -8,6 +8,8 @@ from app.core.time import to_iso8601_utc
 from app.core.websocket.manager import manager
 
 
+EARTH_UPDATES_CHANNEL = "earth_updates"
+
 
 class DataBroadcaster:
     """Periodically broadcasts data to connected WebSocket clients"""
@@ -83,6 +85,10 @@ class DataBroadcaster:
             channel=channel,
         )
 
+    async def broadcast_earth_update(self, data: Dict[str, Any]):
+        """Broadcast Earth visualization refresh hints to connected clients."""
+        await self.broadcast_custom(EARTH_UPDATES_CHANNEL, data)
+
     def enqueue_vessel_update(self, data: Dict[str, Any]):
         vessels = data.get("vessels") if isinstance(data, dict) else None
         if not isinstance(vessels, list):

backend/app/services/ai_client.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 import asyncio
+import json
 
 import httpx
 from fastapi import Depends, HTTPException, status
@@ -57,6 +58,9 @@ class AIProviderClient:
             value = self.llm_config.get(key)
             if value not in (None, ""):
                 headers[header_name] = str(value)
+        model_provider_apis = self.llm_config.get("model_provider_apis")
+        if isinstance(model_provider_apis, dict) and model_provider_apis:
+            headers["X-AI-Model-Provider-APIs"] = json.dumps(model_provider_apis)
         return headers
 
     async def get_status(self, request_id: str | None = None) -> AIProviderStatusResponse:

backend/app/services/collectors/base.py

@@ -9,12 +9,38 @@ from sqlalchemy import select, text
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from app.core.collected_data_fields import build_dynamic_metadata, get_record_field
-from app.core.config import settings
 from app.core.countries import normalize_country
 from app.core.time import to_iso8601_utc
 from app.core.websocket.broadcaster import broadcaster
 from app.services.earth_layer_cache import invalidate_earth_layer_cache_for_source
 
+EARTH_UPDATE_LAYER_HINTS: dict[str, list[str]] = {
+    "ris_live_bgp": ["bgp"],
+    "bgpstream_bgp": ["bgp"],
+    "top500_supercomputers": ["computeCenters"],
+    "epoch_ai_gpu": ["computeCenters"],
+    "huggingface_models": ["computeCenters"],
+    "huggingface_datasets": ["computeCenters"],
+    "huggingface_spaces": ["computeCenters"],
+    "telegeography_cables": ["cables"],
+    "telegeography_landing_points": ["cables"],
+    "telegeography_cable_systems": ["cables"],
+    "arcgis_cables": ["cables"],
+    "fao_landing_points": ["cables"],
+    "arcgis_landing_points": ["cables"],
+    "arcgis_cable_landing_relations": ["cables"],
+    "spacetrack_tle": ["satellites"],
+    "celestrak_tle": ["satellites"],
+    "barentswatch_vessels": ["vessels"],
+    "aisstream_vessels": ["vessels"],
+    "news_live_streams": ["media"],
+    "media_news_archive": ["news"],
+}
+
+
+def get_earth_update_layers_for_source(source: str) -> list[str]:
+    return EARTH_UPDATE_LAYER_HINTS.get(source, [])
+
 
 class BaseCollector(ABC):
     """Abstract base class for data collectors"""
@@ -70,6 +96,29 @@ class BaseCollector(ABC):
         )
         self._last_broadcast_progress = rounded_progress
 
+    async def _publish_earth_update(
+        self,
+        *,
+        action: str,
+        records_processed: int,
+        task_id: int | None = None,
+    ) -> None:
+        layers = get_earth_update_layers_for_source(self.name)
+        if not layers:
+            return
+        await broadcaster.broadcast_earth_update(
+            {
+                "action": action,
+                "source": self.name,
+                "data_type": self.data_type,
+                "layers": layers,
+                "datasource_id": getattr(self, "_datasource_id", None),
+                "task_id": task_id,
+                "records_processed": records_processed,
+                "timestamp": to_iso8601_utc(datetime.now(UTC)),
+            }
+        )
+
     async def update_progress(self, records_processed: int, *, commit: bool = False, force: bool = False):
         """Update task progress - call this during data processing"""
         if self._current_task and self._db_session:
@@ -187,7 +236,7 @@ class BaseCollector(ABC):
 
         result = await db.execute(
             select(DataSnapshot)
-            .where(DataSnapshot.source == self.name, DataSnapshot.is_current == True)
+            .where(DataSnapshot.source == self.name, DataSnapshot.is_current.is_(True))
             .order_by(DataSnapshot.completed_at.desc().nullslast(), DataSnapshot.id.desc())
             .limit(1)
         )
@@ -325,6 +374,11 @@ class BaseCollector(ABC):
             task.completed_at = datetime.now(UTC)
             await db.commit()
             await self._publish_task_update(force=True)
+            await self._publish_earth_update(
+                action="collector_completed",
+                records_processed=records_count,
+                task_id=task_id,
+            )
 
             return {
                 "status": "success",
@@ -406,7 +460,7 @@ class BaseCollector(ABC):
             select(CollectedData)
             .where(
                 CollectedData.source == self.name,
-                CollectedData.is_current == True,
+                CollectedData.is_current.is_(True),
             )
             .order_by(CollectedData.entity_key.asc(), CollectedData.collected_at.desc().nullslast(), CollectedData.id.desc())
         )

backend/app/services/credential_guides.py

@@ -3,9 +3,11 @@
 from __future__ import annotations
 
 from dataclasses import dataclass
+from copy import deepcopy
 from typing import Any
 
 from sqlalchemy import select
+from sqlalchemy.orm.attributes import flag_modified
 
 from app.ai_tasks.prompts import get_effective_prompt
 from app.models.system_setting import SystemSetting
@@ -135,33 +137,57 @@ DEFAULT_CREDENTIAL_GUIDES = {
 }
 
 
+def _normalize_provider(provider: str) -> str:
+    return provider.strip().lower().replace(" ", "_")
+
+
+def _credential_guide_default(provider: str) -> CredentialGuideDefault:
+    normalized = _normalize_provider(provider)
+    known = DEFAULT_CREDENTIAL_GUIDES.get(normalized)
+    if known is not None:
+        return known
+    title = f"{normalized or 'collector'} 凭证配置教程"
+    return CredentialGuideDefault(
+        provider=normalized,
+        title=title,
+        prompt=(
+            f"请生成一份中文教程，指导开发者为 Planet 采集器配置 {normalized} 凭证。"
+            "教程要面向已经有本地开发环境的人，包含官方入口或文档查找方式、"
+            "获取 API Key / Token / Client credentials 的通用步骤、在 Planet 采集器配置中"
+            "填写凭证字段、连接测试、保存、常见失败排查。不要编造具体页面按钮文案；"
+            "如果公开资料不足，必须明确提醒以 provider 官方文档和当前控制台页面为准。"
+        ),
+        markdown="",
+    )
+
+
 async def _get_guide_store(db) -> tuple[SystemSetting | None, dict[str, Any]]:
     result = await db.execute(
         select(SystemSetting).where(SystemSetting.category == CREDENTIAL_GUIDES_CATEGORY)
     )
     record = result.scalar_one_or_none()
-    payload = dict(record.payload or {}) if record and isinstance(record.payload, dict) else {}
+    payload = deepcopy(record.payload) if record and isinstance(record.payload, dict) else {}
     return record, payload
 
 
 async def get_credential_guide(db, provider: str) -> dict[str, Any]:
-    default = DEFAULT_CREDENTIAL_GUIDES.get(provider)
-    if default is None:
-        raise ValueError(f"Unsupported credential guide provider: {provider}")
+    provider = _normalize_provider(provider)
+    default = _credential_guide_default(provider)
 
     _record, store = await _get_guide_store(db)
     custom = store.get(provider) if isinstance(store.get(provider), dict) else None
+    has_default_markdown = bool(default.markdown.strip())
     return {
         "provider": provider,
         "title": custom.get("title") if custom else default.title,
         "markdown": custom.get("markdown") if custom else default.markdown,
         "prompt": default.prompt,
-        "source": "ai" if custom else "default",
+        "source": "ai" if custom else "default" if has_default_markdown else "missing",
         "sources": custom.get("sources", []) if custom else [],
         "verification_status": (
             custom.get("verification_status", "verified_with_search_evidence")
             if custom
-            else "default_unverified"
+            else "default_unverified" if has_default_markdown else "missing"
         ),
         "verification_error": custom.get("verification_error") if custom else None,
     }
@@ -177,9 +203,8 @@ async def save_credential_guide(
     verification_status: str = "verified_with_search_evidence",
     verification_error: str | None = None,
 ) -> dict[str, Any]:
-    default = DEFAULT_CREDENTIAL_GUIDES.get(provider)
-    if default is None:
-        raise ValueError(f"Unsupported credential guide provider: {provider}")
+    provider = _normalize_provider(provider)
+    default = _credential_guide_default(provider)
 
     record, store = await _get_guide_store(db)
     store[provider] = {
@@ -192,21 +217,21 @@ async def save_credential_guide(
     if record is None:
         db.add(SystemSetting(category=CREDENTIAL_GUIDES_CATEGORY, payload=store))
     else:
-        record.payload = store
+        record.payload = deepcopy(store)
+        flag_modified(record, "payload")
     await db.commit()
     return await get_credential_guide(db, provider)
 
 
 async def reset_credential_guide(db, provider: str) -> dict[str, Any]:
-    default = DEFAULT_CREDENTIAL_GUIDES.get(provider)
-    if default is None:
-        raise ValueError(f"Unsupported credential guide provider: {provider}")
+    provider = _normalize_provider(provider)
 
     record, store = await _get_guide_store(db)
     if provider in store:
         store.pop(provider, None)
         if record is not None:
-            record.payload = store
+            record.payload = deepcopy(store)
+            flag_modified(record, "payload")
             await db.commit()
     return await get_credential_guide(db, provider)
 
@@ -217,9 +242,8 @@ async def generate_credential_guide(
     ai_client: AIProviderClient,
     web_search_client: WebSearchClient | None = None,
 ) -> dict[str, Any]:
-    default = DEFAULT_CREDENTIAL_GUIDES.get(provider)
-    if default is None:
-        raise ValueError(f"Unsupported credential guide provider: {provider}")
+    provider = _normalize_provider(provider)
+    default = _credential_guide_default(provider)
 
     search_evidence: list[dict[str, Any]] = []
     search_error: str | None = None

backend/app/services/datasource_connectivity.py

@@ -18,6 +18,7 @@ from app.models.datasource import DataSource
 from app.models.datasource_config import DataSourceConfig
 from app.models.system_setting import SystemSetting
 from app.services.barentswatch import (
+    BarentsWatchConfig,
     _read_zshrc_env,
     fetch_barentswatch_access_token,
     resolve_barentswatch_config,
@@ -44,6 +45,20 @@ def _resolve_spacetrack_credentials() -> tuple[str, str, str]:
     return username, password, source or "missing"
 
 
+def _resolve_spacetrack_credentials_with_override(
+    credential_override: dict[str, str] | None = None,
+) -> tuple[str, str, str]:
+    if credential_override and (
+        credential_override.get("username") or credential_override.get("password")
+    ):
+        return (
+            str(credential_override.get("username") or ""),
+            str(credential_override.get("password") or ""),
+            "draft",
+        )
+    return _resolve_spacetrack_credentials()
+
+
 async def _resolve_aisstream_api_key(
     db=None,
     credential_override: dict[str, str] | None = None,
@@ -126,7 +141,9 @@ async def build_builtin_connectivity_checksum(
             }
         )
     elif credential_provider == "spacetrack":
-        username, password, credential_source = _resolve_spacetrack_credentials()
+        username, password, credential_source = _resolve_spacetrack_credentials_with_override(
+            credential_override
+        )
         has_credentials = bool(username and password)
         credential_fingerprint = _sha256_json(
             {
@@ -230,7 +247,16 @@ async def test_builtin_connectivity(
     try:
         async with httpx.AsyncClient(timeout=timeout, follow_redirects=True) as client:
             if credential_context["credential_provider"] == "barentswatch":
-                barentswatch_config = await resolve_barentswatch_config(db)
+                if credential_override:
+                    barentswatch_config = BarentsWatchConfig(
+                        endpoint=str(request_endpoint or ""),
+                        client_id=str(credential_override.get("client_id") or ""),
+                        client_secret=str(credential_override.get("client_secret") or ""),
+                        credential_source="draft",
+                        endpoint_source="draft",
+                    )
+                else:
+                    barentswatch_config = await resolve_barentswatch_config(db)
                 token = await fetch_barentswatch_access_token(client, barentswatch_config)
                 if not token:
                     return {
@@ -243,7 +269,9 @@ async def test_builtin_connectivity(
                     }
                 request_headers["Authorization"] = f"Bearer {token}"
             elif credential_context["credential_provider"] == "spacetrack":
-                username, password, _source = _resolve_spacetrack_credentials()
+                username, password, _source = _resolve_spacetrack_credentials_with_override(
+                    credential_override
+                )
                 login_url = "https://www.space-track.org/ajaxauth/login"
                 login_response = await client.post(
                     login_url,

backend/app/services/earth_layer_cache.py

@@ -270,15 +270,31 @@ def apply_payload_budget(payload: dict[str, Any], policy: EarthLayerCachePolicy)
 def invalidate_earth_layer_cache_for_source(source: str) -> int:
     source_key = str(source or "").strip()
     patterns = {
+        "barentswatch_vessels": ["vessels*", "summary*"],
+        "aisstream_vessels": ["vessels*", "summary*"],
+        "telegeography_cables": ["cables*", "landing-points*", "summary*"],
+        "telegeography_landing": ["landing-points*", "summary*"],
+        "telegeography_landing_points": ["landing-points*", "summary*"],
+        "telegeography_systems": ["cables*", "summary*"],
+        "telegeography_cable_systems": ["cables*", "summary*"],
         "arcgis_cables": ["cables*", "landing-points*", "summary*"],
         "arcgis_landing_points": ["landing-points*", "summary*"],
         "arcgis_cable_landing_relation": ["landing-points*", "summary*"],
+        "arcgis_cable_landing_relations": ["landing-points*", "summary*"],
+        "fao_landing_points": ["landing-points*", "summary*"],
         "celestrak_tle": ["satellites*", "summary*"],
         "spacetrack_tle": ["satellites*", "summary*"],
         "top500": ["compute-centers*", "summary*"],
+        "top500_supercomputers": ["compute-centers*", "summary*"],
         "epoch_ai_gpu": ["compute-centers*", "summary*"],
+        "huggingface_models": ["compute-centers*", "summary*"],
+        "huggingface_datasets": ["compute-centers*", "summary*"],
+        "huggingface_spaces": ["compute-centers*", "summary*"],
         "ris_live_bgp": ["bgp*", "summary*"],
         "bgpstream_bgp": ["bgp*", "summary*"],
+        "iptoasn_prefix_geo": ["bgp*", "summary*"],
+        "opengeofeed_prefix_geo": ["bgp*", "summary*"],
+        "nro_delegated_prefix_geo": ["bgp*", "summary*"],
     }.get(source_key, [])
     deleted = 0
     for layer_pattern in patterns:

backend/app/services/earth_news.py

@@ -853,7 +853,7 @@ def _parse_feed_entries(xml_text: str, source: NewsFeedSource) -> list[ParsedNew
         if not clean_title or not link:
             continue
 
-        item_source = _normalize_source_name(clean_title, source.name)
+        item_source = source.name
         display_title = clean_title
         if source.source_type == "aggregated" and " - " in clean_title:
             parts = clean_title.rsplit(" - ", 1)

backend/app/services/llm_provider_catalog.py

@@ -7,6 +7,26 @@ from typing import Any
 import httpx
 
 MODELS_DEV_URL = "https://models.dev/api.json"
+OPENCODE_GO_MODELS_URL = "https://opencode.ai/zen/go/v1/models"
+
+OPENCODE_GO_MODEL_PROVIDER_APIS = {
+    "minimax-m2.7": "anthropic-messages",
+    "minimax-m2.5": "anthropic-messages",
+}
+OPENCODE_GO_FALLBACK_MODELS = [
+    "minimax-m2.7",
+    "minimax-m2.5",
+    "kimi-k2.6",
+    "kimi-k2.5",
+    "glm-5.1",
+    "glm-5",
+    "deepseek-v4-pro",
+    "deepseek-v4-flash",
+    "qwen3.6-plus",
+    "qwen3.5-plus",
+    "mimo-v2.5-pro",
+    "mimo-v2.5",
+]
 
 
 FALLBACK_LLM_PROVIDER_PRESETS: dict[str, dict[str, Any]] = {
@@ -80,6 +100,17 @@ FALLBACK_LLM_PROVIDER_PRESETS: dict[str, dict[str, Any]] = {
         "api_key_env": "OPENROUTER_API_KEY",
         "source": "fallback",
     },
+    "opencode-go": {
+        "provider": "opencode-go",
+        "label": "OpenCode Go",
+        "provider_api": "openai-completions",
+        "base_url": "https://opencode.ai/zen/go/v1",
+        "model": "glm-5.1",
+        "models": OPENCODE_GO_FALLBACK_MODELS,
+        "model_provider_apis": OPENCODE_GO_MODEL_PROVIDER_APIS,
+        "api_key_env": "OPENCODE_GO_API_KEY",
+        "source": "fallback",
+    },
     "ollama": {
         "provider": "ollama",
         "label": "Ollama Local",
@@ -114,8 +145,43 @@ def get_fallback_llm_provider_preset(provider: str) -> dict[str, Any]:
     return dict(FALLBACK_LLM_PROVIDER_PRESETS[key])
 
 
-async def refresh_llm_provider_preset(provider: str) -> dict[str, Any]:
+def _opencode_go_model_provider_apis(model_ids: list[str]) -> dict[str, str]:
+    return {
+        model_id: OPENCODE_GO_MODEL_PROVIDER_APIS.get(model_id, "openai-completions")
+        for model_id in model_ids
+    }
+
+
+async def refresh_llm_provider_preset(provider: str, api_key: str | None = None) -> dict[str, Any]:
     fallback = get_fallback_llm_provider_preset(provider)
+    if fallback["provider"] == "opencode-go":
+        headers = {"User-Agent": "Planet/1.0"}
+        if api_key:
+            headers["Authorization"] = f"Bearer {api_key}"
+        async with httpx.AsyncClient(timeout=15.0, follow_redirects=True) as client:
+            response = await client.get(
+                OPENCODE_GO_MODELS_URL,
+                headers=headers,
+            )
+            response.raise_for_status()
+            payload = response.json()
+
+        data = payload.get("data") if isinstance(payload, dict) else []
+        model_ids = [
+            str(item.get("id"))
+            for item in data
+            if isinstance(item, dict) and item.get("id")
+        ][:120]
+        if not model_ids:
+            model_ids = fallback["models"]
+        return {
+            **fallback,
+            "model": fallback["model"] if fallback["model"] in model_ids else model_ids[0],
+            "models": model_ids,
+            "model_provider_apis": _opencode_go_model_provider_apis(model_ids),
+            "source": OPENCODE_GO_MODELS_URL,
+        }
+
     models_dev_key = MODELS_DEV_PROVIDER_KEYS.get(fallback["provider"])
     if not models_dev_key:
         return fallback

backend/app/services/location/llm_fallback.py

@@ -9,6 +9,7 @@ from typing import Any, Iterable
 
 from sqlalchemy.ext.asyncio import AsyncSession
 
+from app.core.logging import get_logger
 from app.core.countries import COUNTRY_ENTRIES, normalize_country
 from app.schemas.ai import SituationalAnalysisRequest
 from app.ai_tasks.prompts import get_effective_prompt
@@ -29,6 +30,9 @@ DEFAULT_MIN_CONFIDENCE = 0.55
 LOCATION_NORMALIZE_PROMPT_KEY = "location.factcheck.normalize"
 LOCATION_RESOLVE_PROMPT_KEY = "location.factcheck.resolve"
 MODEL_CONFIDENCE_WEIGHT = 0.25
+LOG_TEXT_LIMIT = 1200
+LOG_EVIDENCE_LIMIT = 5
+logger = get_logger(__name__, service="location")
 _geocode_llm_city = build_default_nominatim_geocoder()
 _LLM_LOCATION_NAME_KEYS = (
     "matched_location_name",
@@ -97,6 +101,35 @@ class LocationEvidenceScore:
     summary: str
 
 
+def _truncate_log_text(value: Any, limit: int = LOG_TEXT_LIMIT) -> str:
+    text = coerce_str(value)
+    if len(text) <= limit:
+        return text
+    return f"{text[:limit]}…"
+
+
+def _summarize_search_evidence(evidence: list[dict[str, Any]] | None) -> list[dict[str, Any]]:
+    items: list[dict[str, Any]] = []
+    for item in (evidence or [])[:LOG_EVIDENCE_LIMIT]:
+        if not isinstance(item, dict):
+            continue
+        items.append(
+            {
+                "title": _truncate_log_text(item.get("title"), 180),
+                "source": _truncate_log_text(item.get("source") or item.get("name"), 120),
+                "url": _truncate_log_text(item.get("url"), 240),
+                "snippet": _truncate_log_text(
+                    item.get("snippet")
+                    or item.get("content")
+                    or item.get("text")
+                    or item.get("summary"),
+                    360,
+                ),
+            }
+        )
+    return items
+
+
 def _first_json_object(text: str) -> dict[str, Any] | None:
     stripped = text.strip()
     if not stripped:
@@ -162,6 +195,64 @@ def _evidence_label(item: Any) -> str:
     return coerce_str(item)
 
 
+def _evidence_text(item: dict[str, Any]) -> str:
+    return " ".join(
+        coerce_str(item.get(key))
+        for key in ("title", "source", "name", "url", "snippet", "content", "text", "quote", "summary")
+        if coerce_str(item.get(key))
+    )
+
+
+def _search_evidence_entity_match(item: dict[str, Any], query: LocationQuery) -> bool:
+    haystack = normalize_text(_evidence_text(item))
+    if not haystack:
+        return False
+    needles = [
+        coerce_str(query.name),
+        *[coerce_str(alias) for alias in query.aliases],
+    ]
+    return any(normalize_text(needle) and normalize_text(needle) in haystack for needle in needles)
+
+
+def _evidence_has_location_assertion(item: dict[str, Any], city: str) -> bool:
+    normalized_city = normalize_text(city)
+    text = normalize_text(_evidence_text(item))
+    if not normalized_city or normalized_city not in text:
+        return False
+    assertion_terms = (
+        "located",
+        "situated",
+        "built",
+        "hosted",
+        "deployed",
+        "installed",
+        "facility",
+        "campus",
+        "site",
+        "data center",
+        "datacenter",
+        "supercomputer center",
+        "位于",
+        "位於",
+        "坐落",
+        "建置",
+        "設置",
+        "设置",
+    )
+    return any(term in text for term in assertion_terms)
+
+
+def _city_is_unsupported_name_hint(payload: dict[str, Any], query: LocationQuery, evidence_items: list[dict[str, Any]]) -> bool:
+    city = coerce_str(payload.get("city") or query.city)
+    if not city:
+        return False
+    normalized_city = normalize_text(city)
+    normalized_name = normalize_text(query.name)
+    if not normalized_city or not normalized_name or normalized_city not in normalized_name:
+        return False
+    return not any(_evidence_has_location_assertion(item, city) for item in evidence_items)
+
+
 def _normalize_llm_precision(value: Any) -> str:
     text = coerce_str(value).lower()
     return LLM_PRECISION_ALIASES.get(text, text)
@@ -588,6 +679,7 @@ def _weak_evidence_penalty(
     payload: dict[str, Any],
     evidence_items: list[dict[str, Any]],
     *,
+    query: LocationQuery,
     entity_match: float,
     geography_match: float,
     conflict_penalty: float,
@@ -598,6 +690,8 @@ def _weak_evidence_penalty(
         penalty += 0.20
     if any(_truthy_evidence_field(item, "ambiguous") for item in evidence_items):
         penalty += 0.15
+    if _city_is_unsupported_name_hint(payload, query, evidence_items):
+        penalty += 0.10
     if conflict_penalty == 0.0 and entity_match > 0 and geography_match >= 0.20:
         return min(penalty, 0.15)
     return min(penalty, 0.30)
@@ -620,6 +714,7 @@ def _score_llm_location_payload(
     weak_evidence_penalty = _weak_evidence_penalty(
         payload,
         evidence_items,
+        query=query,
         entity_match=entity_match,
         geography_match=geography_match,
         conflict_penalty=conflict_penalty,
@@ -636,6 +731,8 @@ def _score_llm_location_payload(
         - weak_evidence_penalty
     )
     score = min(max(score, 0.0), 1.0)
+    if _city_is_unsupported_name_hint(payload, query, evidence_items):
+        score = min(score, 0.54)
     summary = (
         f"combined={score:.2f}; model={model_confidence:.2f}; "
         f"source={source_quality:.2f}; entity={entity_match:.2f}; "
@@ -847,15 +944,43 @@ async def collect_location_search_evidence(
 ) -> LocationSearchEvidenceResult:
     search_query = _location_search_query(query, entity_type)
     attempt = f"web_search:{entity_type}:{search_query}"
+    logger.info_event(
+        "Collecting location search evidence",
+        event="location.factcheck.web_search.start",
+        context={
+            "entity_type": entity_type,
+            "search_query": search_query,
+            "location_query": _query_context(query),
+            "max_results": max_results,
+        },
+    )
     try:
         evidence = await web_search_client.search(search_query, max_results=max_results)
     except WebSearchError as exc:
+        logger.warning_event(
+            "Location search evidence failed",
+            event="location.factcheck.web_search.failed",
+            context={
+                "entity_type": entity_type,
+                "search_query": search_query,
+                "error": str(exc),
+            },
+        )
         return LocationSearchEvidenceResult(
             evidence=[],
             attempted_queries=[attempt],
             failure_reason=f"WebSearch location evidence failed: {exc}",
         )
     except Exception as exc:
+        logger.warning_event(
+            "Location search evidence unavailable",
+            event="location.factcheck.web_search.unavailable",
+            context={
+                "entity_type": entity_type,
+                "search_query": search_query,
+                "error": str(exc),
+            },
+        )
         return LocationSearchEvidenceResult(
             evidence=[],
             attempted_queries=[attempt],
@@ -863,11 +988,29 @@ async def collect_location_search_evidence(
         )
     normalized = normalize_search_evidence(evidence, limit=max_results)
     if not normalized:
+        logger.warning_event(
+            "Location search returned no usable evidence",
+            event="location.factcheck.web_search.empty",
+            context={
+                "entity_type": entity_type,
+                "search_query": search_query,
+            },
+        )
         return LocationSearchEvidenceResult(
             evidence=[],
             attempted_queries=[attempt],
             failure_reason="WebSearch returned no usable location evidence.",
         )
+    logger.info_event(
+        "Collected location search evidence",
+        event="location.factcheck.web_search.result",
+        context={
+            "entity_type": entity_type,
+            "search_query": search_query,
+            "evidence_count": len(normalized),
+            "evidence": _summarize_search_evidence(normalized),
+        },
+    )
     return LocationSearchEvidenceResult(
         evidence=normalized,
         attempted_queries=[attempt],
@@ -947,6 +1090,15 @@ async def collect_llm_location_fallback_candidate(
     """
     attempt = f"llm_factcheck:{entity_type}:{coerce_str(query.name) or 'unknown'}"
     if search_evidence is not None and not search_evidence:
+        logger.warning_event(
+            "Skipping LLM location factcheck because search evidence is empty",
+            event="location.factcheck.llm.skipped_no_evidence",
+            context={
+                "entity_type": entity_type,
+                "attempt": attempt,
+                "location_query": _query_context(query),
+            },
+        )
         return LocationLLMFallbackResult(
             candidates=[],
             attempted_queries=[attempt],
@@ -986,20 +1138,66 @@ async def collect_llm_location_fallback_candidate(
             "Return evidence as objects when possible, including source, url, source_type, and entity_match.",
             "Include source names or URLs in evidence when known. The backend will recompute the final confidence from model confidence plus evidence quality.",
             "If search_evidence is provided, use only that evidence as factual support.",
+            "Do not treat a website footer, office address, publisher address, or contact address as the entity's physical location.",
+            "If the entity name contains a city name, do not choose that city unless evidence explicitly says the entity/facility/supercomputer is located, hosted, built, deployed, or installed there.",
             "Prefer the facility/site if known; otherwise use the best supported city.",
         ],
     )
+    logger.info_event(
+        "Sending location factcheck request to LLM",
+        event="location.factcheck.llm.request",
+        context={
+            "entity_type": entity_type,
+            "attempt": attempt,
+            "title": request.title,
+            "objective": request.objective,
+            "location_query": request.context.get("location_query"),
+            "observations": request.observations,
+            "constraints": request.constraints,
+            "search_evidence_count": len(search_evidence or []),
+            "search_evidence": _summarize_search_evidence(search_evidence),
+        },
+    )
     try:
         response = await provider_client.analyze(request)
     except Exception as exc:
+        logger.warning_event(
+            "LLM location factcheck failed",
+            event="location.factcheck.llm.failed",
+            context={
+                "entity_type": entity_type,
+                "attempt": attempt,
+                "error": str(exc),
+            },
+        )
         return LocationLLMFallbackResult(
             candidates=[],
             attempted_queries=[attempt],
             failure_reason=f"LLM location factcheck failed: {exc}",
         )
 
+    logger.info_event(
+        "Received location factcheck response from LLM",
+        event="location.factcheck.llm.response",
+        context={
+            "entity_type": entity_type,
+            "attempt": attempt,
+            "provider": response.provider,
+            "model": response.model,
+            "content": _truncate_log_text(response.content, 2000),
+        },
+    )
     payload = _first_json_object(response.content)
     if payload is None:
+        logger.warning_event(
+            "LLM location factcheck response was not strict JSON; attempting repair",
+            event="location.factcheck.llm.non_json",
+            context={
+                "entity_type": entity_type,
+                "attempt": attempt,
+                "content": _truncate_log_text(response.content, 1200),
+            },
+        )
         payload = await _repair_location_payload_from_text(
             provider_client=provider_client,
             raw_text=response.content,
@@ -1009,9 +1207,17 @@ async def collect_llm_location_fallback_candidate(
         )
     if payload is None:
         payload = _payload_from_free_text(response.content, query=query)
-    if payload is None:
+    if payload is None and entity_type != "compute_center":
         payload = _payload_from_query_name_geocode(query)
     if payload is None:
+        logger.warning_event(
+            "LLM location factcheck produced no parseable payload",
+            event="location.factcheck.llm.unparseable",
+            context={
+                "entity_type": entity_type,
+                "attempt": attempt,
+            },
+        )
         return LocationLLMFallbackResult(
             candidates=[],
             attempted_queries=[attempt],
@@ -1032,7 +1238,7 @@ async def collect_llm_location_fallback_candidate(
                     "url": item.get("url"),
                     "text": item.get("snippet") or item.get("content"),
                     "source_type": "web_search",
-                    "entity_match": True,
+                    "entity_match": _search_evidence_entity_match(item, query),
                 }
                 for item in search_evidence
                 if isinstance(item, dict)
@@ -1054,6 +1260,18 @@ async def collect_llm_location_fallback_candidate(
     if candidate is None:
         if city_geocode_failure and rejection_reason == "missing, invalid, or zero latitude/longitude":
             rejection_reason = f"{rejection_reason}; {city_geocode_failure}"
+        logger.warning_event(
+            "Rejected LLM location factcheck candidate",
+            event="location.factcheck.llm.rejected",
+            context={
+                "entity_type": entity_type,
+                "attempt": attempt,
+                "reason": rejection_reason,
+                "payload": payload,
+                "search_evidence_count": len(search_evidence or []),
+                "search_evidence": _summarize_search_evidence(search_evidence),
+            },
+        )
         return LocationLLMFallbackResult(
             candidates=[],
             attempted_queries=[attempt],
@@ -1062,6 +1280,18 @@ async def collect_llm_location_fallback_candidate(
                 + (f": {rejection_reason}." if rejection_reason else ".")
             ),
         )
+    logger.info_event(
+        "Accepted LLM location factcheck candidate",
+        event="location.factcheck.llm.accepted",
+        context={
+            "entity_type": entity_type,
+            "attempt": attempt,
+            "candidate": candidate.to_dict(),
+            "payload": payload,
+            "search_evidence_count": len(search_evidence or []),
+            "search_evidence": _summarize_search_evidence(search_evidence),
+        },
+    )
     return LocationLLMFallbackResult(
         candidates=[candidate],
         attempted_queries=[attempt],

backend/app/services/system_logs.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 import json
+import os
 import re
 import shutil
 import subprocess
@@ -86,6 +87,7 @@ class LogSource:
     status: str = "ok"
     buffer_key: str | None = None
     container_name: str | None = None
+    fallback_locations: tuple[str, ...] = ()
 
 
 @dataclass
@@ -104,22 +106,38 @@ class DailyLogMarker:
     dominant_level: str
 
 
+def _planet_state_dir() -> Path:
+    configured = os.getenv("PLANET_STATE_DIR")
+    if configured:
+        return Path(configured).expanduser()
+    xdg_state = os.getenv("XDG_STATE_HOME")
+    if xdg_state:
+        return Path(xdg_state).expanduser() / "planet"
+    return Path.home() / ".local" / "state" / "planet"
+
+
+def _state_log_path(filename: str) -> str:
+    return str(_planet_state_dir() / filename)
+
+
 LOG_SOURCES: dict[str, LogSource] = {
     "backend": LogSource(
         source_id="backend",
         name="后端服务",
         kind="file",
-        location="/tmp/planet_backend.log",
+        location=_state_log_path("backend.log"),
         description="FastAPI 后端、调度器和采集任务共享日志。",
         category="service",
+        fallback_locations=("/tmp/planet_backend.log",),
     ),
     "frontend": LogSource(
         source_id="frontend",
         name="前端开发服务",
         kind="file",
-        location="/tmp/planet_frontend.log",
+        location=_state_log_path("frontend.log"),
         description="控制台与 Earth 前端开发服务输出。",
         category="service",
+        fallback_locations=("/tmp/planet_frontend.log",),
     ),
     "ai-provider": LogSource(
         source_id="ai-provider",
@@ -164,9 +182,18 @@ def normalize_log_levels(level: str | None = None, levels: str | None = None) ->
     return tuple(normalized_levels)
 
 
+def resolve_file_log_path(source: LogSource) -> Path:
+    primary = Path(source.location).expanduser()
+    candidates = (primary, *(Path(item).expanduser() for item in source.fallback_locations))
+    for candidate in candidates:
+        if candidate.exists():
+            return candidate
+    return primary
+
+
 def get_source_status(source: LogSource) -> str:
     if source.kind == "file":
-        path = Path(source.location)
+        path = resolve_file_log_path(source)
         if not path.exists():
             return "missing"
         return "ok" if path.stat().st_size > 0 else "empty"
@@ -190,7 +217,7 @@ def list_log_sources() -> list[dict[str, str]]:
                 "source_id": source.source_id,
                 "name": source.name,
                 "kind": source.kind,
-                "location": source.location,
+                "location": str(resolve_file_log_path(source)) if source.kind == "file" else source.location,
                 "description": source.description,
                 "category": source.category,
                 "status": get_source_status(source),
@@ -339,7 +366,7 @@ def build_buffer_entry(payload: dict[str, Any]) -> StructuredLogEntry:
 
 
 def read_file_entries(source: LogSource, scan_limit: int) -> list[StructuredLogEntry]:
-    path = Path(source.location)
+    path = resolve_file_log_path(source)
     if not path.exists():
         return []
     with path.open("r", encoding="utf-8", errors="replace") as handle:
@@ -511,7 +538,7 @@ def read_log_snapshot(
         "source_id": source.source_id,
         "name": source.name,
         "kind": source.kind,
-        "location": source.location,
+        "location": str(resolve_file_log_path(source)) if source.kind == "file" else source.location,
         "description": source.description,
         "category": source.category,
         "status": get_source_status(source),

backend/app/services/tv_streams.py

@@ -385,13 +385,18 @@ def build_public_tv_payload(
     settings_payload: dict[str, Any],
     collected_sources: list[dict[str, Any]],
 ) -> dict[str, Any]:
+    configured_by_id = {
+        source["id"]: source
+        for source in settings_payload["sources"]
+        if source.get("id")
+    }
     configured_sources = [
         source for source in settings_payload["sources"] if source["is_enabled"]
     ]
 
     merged_by_id = {source["id"]: source for source in configured_sources}
     for source in collected_sources:
-        if source["id"] in merged_by_id or not source["is_enabled"]:
+        if source["id"] in configured_by_id or not source["is_enabled"]:
             continue
         merged_by_id[source["id"]] = source