增加数据库慢查询观测与索引防线并收窄打手拼单分页查询

apps/backend/src/config/defaults.ts

@@ -26,6 +26,7 @@ export function createDefaultRuntimeConfig(projectRoot: string): RuntimeConfig {
       idleTimeoutMs: 30_000,
       connectionTimeoutMs: 5_000,
       statementTimeoutMs: 15_000,
+      slowQueryThresholdMs: 500,
     },
 
     storage: {

apps/backend/src/config/env-documentation.test.ts

@@ -24,6 +24,7 @@ const DEPLOYMENT_ONLY_ENV_NAMES = [
   'MINIO_ROOT_USER',
   'NPM_CONFIG_REGISTRY',
   'POSTGRES_DB',
+  'POSTGRES_LOG_MIN_DURATION_STATEMENT_MS',
   'POSTGRES_PASSWORD',
   'POSTGRES_PORT',
   'POSTGRES_USER',

apps/backend/src/config/env-overrides.ts

@@ -38,6 +38,7 @@ export const ENV_OVERRIDES: readonly EnvOverride[] = [
   integerEnv('DATABASE_IDLE_TIMEOUT_MS', ['database', 'idleTimeoutMs']),
   integerEnv('DATABASE_CONNECTION_TIMEOUT_MS', ['database', 'connectionTimeoutMs']),
   integerEnv('DATABASE_STATEMENT_TIMEOUT_MS', ['database', 'statementTimeoutMs']),
+  integerEnv('DATABASE_SLOW_QUERY_THRESHOLD_MS', ['database', 'slowQueryThresholdMs']),
   stringEnv('STORAGE_ENDPOINT', ['storage', 'endpoint']),
   stringEnv('STORAGE_BUCKET', ['storage', 'bucket']),
   stringEnv('STORAGE_ACCESS_KEY_ID', ['storage', 'accessKeyId']),

apps/backend/src/config/runtime-validation.ts

@@ -62,6 +62,12 @@ export function validateRuntimeConfig(
       min: 1,
     },
   )
+  requireOptionalInteger(
+    issues,
+    'database.slowQueryThresholdMs',
+    config.database?.slowQueryThresholdMs,
+    { min: 0 },
+  )
   requireInteger(issues, 'storage.maxUploadSizeMb', config.storage?.maxUploadSizeMb, {
     min: 1,
     max: 100,