feat: add provider scheduled active time & remove joinClaudePool (#844)

* feat: add provider scheduled active time and remove deprecated joinClaudePool

Add HH:mm-based active time windows (start/end) to providers for
time-based routing control. Supports same-day and cross-day schedules
with system timezone integration.

Also removes the deprecated joinClaudePool column/feature.

Key changes:
- Core: isProviderActiveNow() with NaN fail-open defense
- Schema: active_time_start/end columns, drop join_claude_pool (single migration)
- Types: 7 interfaces updated across Provider/Batch/Create/Update
- Proxy: schedule_inactive filter in provider selection hot path
- Batch: HH:mm regex validation in patch contract
- UI: schedule toggle, time pickers, cross-day hint, list badge
- i18n: 5 languages (zh-CN, zh-TW, en, ja, ru)
- Tests: 25 schedule tests + 10 batch patch tests

* fix: address code review findings from PR #844

1. Add schedule check in findReusable session reuse path to prevent
   bound sessions from bypassing active time window filtering.
   Clears session binding when provider is outside schedule.

2. Strict HH:mm validation in parseHHMM using regex - values like
   "24:00", "9:00", "99:99" now return NaN and trigger fail-open,
   instead of producing silently incorrect minute values.

drizzle/0077_nappy_giant_man.sql

@@ -0,0 +1,3 @@
+ALTER TABLE "providers" ADD COLUMN "active_time_start" varchar(5);--> statement-breakpoint
+ALTER TABLE "providers" ADD COLUMN "active_time_end" varchar(5);--> statement-breakpoint
+ALTER TABLE "providers" DROP COLUMN "join_claude_pool";

drizzle/meta/0077_snapshot.json

@@ -0,0 +1,3908 @@
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+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "where": "\"message_request\".\"deleted_at\" IS NULL",
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        },
+        "idx_message_request_provider_id": {
+          "name": "idx_message_request_provider_id",
+          "columns": [
+            {
+              "expression": "provider_id",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        },
+        "idx_message_request_user_id": {
+          "name": "idx_message_request_user_id",
+          "columns": [
+            {
+              "expression": "user_id",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        },
+        "idx_message_request_key": {
+          "name": "idx_message_request_key",
+          "columns": [
+            {
+              "expression": "key",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        },
+        "idx_message_request_key_created_at_id": {
+          "name": "idx_message_request_key_created_at_id",
+          "columns": [
+            {
+              "expression": "key",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            },
+            {
+              "expression": "created_at",
+              "isExpression": false,
+              "asc": false,
+              "nulls": "last"
+            },
+            {
+              "expression": "id",
+              "isExpression": false,
+              "asc": false,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "where": "\"message_request\".\"deleted_at\" IS NULL",
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        },
+        "idx_message_request_key_model_active": {
+          "name": "idx_message_request_key_model_active",
+          "columns": [
+            {
+              "expression": "key",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            },
+            {
+              "expression": "model",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "where": "\"message_request\".\"deleted_at\" IS NULL AND \"message_request\".\"model\" IS NOT NULL AND (\"message_request\".\"blocked_by\" IS NULL OR \"message_request\".\"blocked_by\" <> 'warmup')",
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        },
+        "idx_message_request_key_endpoint_active": {
+          "name": "idx_message_request_key_endpoint_active",
+          "columns": [
+            {
+              "expression": "key",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            },
+            {
+              "expression": "endpoint",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "where": "\"message_request\".\"deleted_at\" IS NULL AND \"message_request\".\"endpoint\" IS NOT NULL AND (\"message_request\".\"blocked_by\" IS NULL OR \"message_request\".\"blocked_by\" <> 'warmup')",
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        },
+        "idx_message_request_created_at_id_active": {
+          "name": "idx_message_request_created_at_id_active",
+          "columns": [
+            {
+              "expression": "created_at",
+              "isExpression": false,
+              "asc": false,
+              "nulls": "last"
+            },
+            {
+              "expression": "id",
+              "isExpression": false,
+              "asc": false,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "where": "\"message_request\".\"deleted_at\" IS NULL",
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        },
+        "idx_message_request_model_active": {
+          "name": "idx_message_request_model_active",
+          "columns": [
+            {
+              "expression": "model",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "where": "\"message_request\".\"deleted_at\" IS NULL AND \"message_request\".\"model\" IS NOT NULL",
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        },
+        "idx_message_request_status_code_active": {
+          "name": "idx_message_request_status_code_active",
+          "columns": [
+            {
+              "expression": "status_code",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "where": "\"message_request\".\"deleted_at\" IS NULL AND \"message_request\".\"status_code\" IS NOT NULL",
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        },
+        "idx_message_request_created_at": {
+          "name": "idx_message_request_created_at",
+          "columns": [
+            {
+              "expression": "created_at",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        },
+        "idx_message_request_deleted_at": {
+          "name": "idx_message_request_deleted_at",
+          "columns": [
+            {
+              "expression": "deleted_at",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        },
+        "idx_message_request_key_last_active": {
+          "name": "idx_message_request_key_last_active",
+          "columns": [
+            {
+              "expression": "key",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            },
+            {
+              "expression": "created_at",
+              "isExpression": false,
+              "asc": false,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "where": "\"message_request\".\"deleted_at\" IS NULL AND (\"message_request\".\"blocked_by\" IS NULL OR \"message_request\".\"blocked_by\" <> 'warmup')",
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        },
+        "idx_message_request_key_cost_active": {
+          "name": "idx_message_request_key_cost_active",
+          "columns": [
+            {
+              "expression": "key",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            },
+            {
+              "expression": "cost_usd",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "where": "\"message_request\".\"deleted_at\" IS NULL AND (\"message_request\".\"blocked_by\" IS NULL OR \"message_request\".\"blocked_by\" <> 'warmup')",
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        },
+        "idx_message_request_session_user_info": {
+          "name": "idx_message_request_session_user_info",
+          "columns": [
+            {
+              "expression": "session_id",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            },
+            {
+              "expression": "created_at",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            },
+            {
+              "expression": "user_id",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            },
+            {
+              "expression": "key",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "where": "\"message_request\".\"deleted_at\" IS NULL",
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        }
+      },
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.model_prices": {
+      "name": "model_prices",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "serial",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "model_name": {
+          "name": "model_name",
+          "type": "varchar",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "price_data": {
+          "name": "price_data",
+          "type": "jsonb",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "source": {
+          "name": "source",
+          "type": "varchar(20)",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "'litellm'"
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        }
+      },
+      "indexes": {
+        "idx_model_prices_latest": {
+          "name": "idx_model_prices_latest",
+          "columns": [
+            {
+              "expression": "model_name",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            },
+            {
+              "expression": "created_at",
+              "isExpression": false,
+              "asc": false,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        },
+        "idx_model_prices_model_name": {
+          "name": "idx_model_prices_model_name",
+          "columns": [
+            {
+              "expression": "model_name",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        },
+        "idx_model_prices_created_at": {
+          "name": "idx_model_prices_created_at",
+          "columns": [
+            {
+              "expression": "created_at",
+              "isExpression": false,
+              "asc": false,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        },
+        "idx_model_prices_source": {
+          "name": "idx_model_prices_source",
+          "columns": [
+            {
+              "expression": "source",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        }
+      },
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.notification_settings": {
+      "name": "notification_settings",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "serial",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "enabled": {
+          "name": "enabled",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": true,
+          "default": false
+        },
+        "use_legacy_mode": {
+          "name": "use_legacy_mode",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": true,
+          "default": false
+        },
+        "circuit_breaker_enabled": {
+          "name": "circuit_breaker_enabled",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": true,
+          "default": false
+        },
+        "circuit_breaker_webhook": {
+          "name": "circuit_breaker_webhook",
+          "type": "varchar(512)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "daily_leaderboard_enabled": {
+          "name": "daily_leaderboard_enabled",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": true,
+          "default": false
+        },
+        "daily_leaderboard_webhook": {
+          "name": "daily_leaderboard_webhook",
+          "type": "varchar(512)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "daily_leaderboard_time": {
+          "name": "daily_leaderboard_time",
+          "type": "varchar(10)",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "'09:00'"
+        },
+        "daily_leaderboard_top_n": {
+          "name": "daily_leaderboard_top_n",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "default": 5
+        },
+        "cost_alert_enabled": {
+          "name": "cost_alert_enabled",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": true,
+          "default": false
+        },
+        "cost_alert_webhook": {
+          "name": "cost_alert_webhook",
+          "type": "varchar(512)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "cost_alert_threshold": {
+          "name": "cost_alert_threshold",
+          "type": "numeric(5, 2)",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "'0.80'"
+        },
+        "cost_alert_check_interval": {
+          "name": "cost_alert_check_interval",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "default": 60
+        },
+        "cache_hit_rate_alert_enabled": {
+          "name": "cache_hit_rate_alert_enabled",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": true,
+          "default": false
+        },
+        "cache_hit_rate_alert_webhook": {
+          "name": "cache_hit_rate_alert_webhook",
+          "type": "varchar(512)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "cache_hit_rate_alert_window_mode": {
+          "name": "cache_hit_rate_alert_window_mode",
+          "type": "varchar(10)",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "'auto'"
+        },
+        "cache_hit_rate_alert_check_interval": {
+          "name": "cache_hit_rate_alert_check_interval",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "default": 5
+        },
+        "cache_hit_rate_alert_historical_lookback_days": {
+          "name": "cache_hit_rate_alert_historical_lookback_days",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "default": 7
+        },
+        "cache_hit_rate_alert_min_eligible_requests": {
+          "name": "cache_hit_rate_alert_min_eligible_requests",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "default": 20
+        },
+        "cache_hit_rate_alert_min_eligible_tokens": {
+          "name": "cache_hit_rate_alert_min_eligible_tokens",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "default": 0
+        },
+        "cache_hit_rate_alert_abs_min": {
+          "name": "cache_hit_rate_alert_abs_min",
+          "type": "numeric(5, 4)",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "'0.05'"
+        },
+        "cache_hit_rate_alert_drop_rel": {
+          "name": "cache_hit_rate_alert_drop_rel",
+          "type": "numeric(5, 4)",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "'0.3'"
+        },
+        "cache_hit_rate_alert_drop_abs": {
+          "name": "cache_hit_rate_alert_drop_abs",
+          "type": "numeric(5, 4)",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "'0.1'"
+        },
+        "cache_hit_rate_alert_cooldown_minutes": {
+          "name": "cache_hit_rate_alert_cooldown_minutes",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "default": 30
+        },
+        "cache_hit_rate_alert_top_n": {
+          "name": "cache_hit_rate_alert_top_n",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "default": 10
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.notification_target_bindings": {
+      "name": "notification_target_bindings",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "serial",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "notification_type": {
+          "name": "notification_type",
+          "type": "notification_type",
+          "typeSchema": "public",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "target_id": {
+          "name": "target_id",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "is_enabled": {
+          "name": "is_enabled",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": true,
+          "default": true
+        },
+        "schedule_cron": {
+          "name": "schedule_cron",
+          "type": "varchar(100)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "schedule_timezone": {
+          "name": "schedule_timezone",
+          "type": "varchar(50)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "template_override": {
+          "name": "template_override",
+          "type": "jsonb",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        }
+      },
+      "indexes": {
+        "unique_notification_target_binding": {
+          "name": "unique_notification_target_binding",
+          "columns": [
+            {
+              "expression": "notification_type",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            },
+            {
+              "expression": "target_id",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": true,
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        },
+        "idx_notification_bindings_type": {
+          "name": "idx_notification_bindings_type",
+          "columns": [
+            {
+              "expression": "notification_type",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            },
+            {
+              "expression": "is_enabled",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        },
+        "idx_notification_bindings_target": {
+          "name": "idx_notification_bindings_target",
+          "columns": [
+            {
+              "expression": "target_id",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            },
+            {
+              "expression": "is_enabled",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        }
+      },
+      "foreignKeys": {
+        "notification_target_bindings_target_id_webhook_targets_id_fk": {
+          "name": "notification_target_bindings_target_id_webhook_targets_id_fk",
+          "tableFrom": "notification_target_bindings",
+          "tableTo": "webhook_targets",
+          "columnsFrom": [
+            "target_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "cascade",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.provider_endpoint_probe_logs": {
+      "name": "provider_endpoint_probe_logs",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "serial",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "endpoint_id": {
+          "name": "endpoint_id",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "source": {
+          "name": "source",
+          "type": "varchar(20)",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "'scheduled'"
+        },
+        "ok": {
+          "name": "ok",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "status_code": {
+          "name": "status_code",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "latency_ms": {
+          "name": "latency_ms",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false
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+          "default": "now()"
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+          "default": "now()"
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+          "notNull": false
+        },
+        "cache_read_input_tokens": {
+          "name": "cache_read_input_tokens",
+          "type": "bigint",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "cache_creation_5m_input_tokens": {
+          "name": "cache_creation_5m_input_tokens",
+          "type": "bigint",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "cache_creation_1h_input_tokens": {
+          "name": "cache_creation_1h_input_tokens",
+          "type": "bigint",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "cache_ttl_applied": {
+          "name": "cache_ttl_applied",
+          "type": "varchar(10)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "context_1m_applied": {
+          "name": "context_1m_applied",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": false
+        },
+        "swap_cache_ttl_applied": {
+          "name": "swap_cache_ttl_applied",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": false
+        },
+        "duration_ms": {
+          "name": "duration_ms",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "ttfb_ms": {
+          "name": "ttfb_ms",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": true
+        }
+      },
+      "indexes": {
+        "idx_usage_ledger_request_id": {
+          "name": "idx_usage_ledger_request_id",
+          "columns": [
+            {
+              "expression": "request_id",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": true,
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        },
+        "idx_usage_ledger_user_created_at": {
+          "name": "idx_usage_ledger_user_created_at",
+          "columns": [
+            {
+              "expression": "user_id",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            },
+            {
+              "expression": "created_at",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "where": "\"usage_ledger\".\"blocked_by\" IS NULL",
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        },
+        "idx_usage_ledger_key_created_at": {
+          "name": "idx_usage_ledger_key_created_at",
+          "columns": [
+            {
+              "expression": "key",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            },
+            {
+              "expression": "created_at",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "where": "\"usage_ledger\".\"blocked_by\" IS NULL",
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        },
+        "idx_usage_ledger_provider_created_at": {
+          "name": "idx_usage_ledger_provider_created_at",
+          "columns": [
+            {
+              "expression": "final_provider_id",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            },
+            {
+              "expression": "created_at",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "where": "\"usage_ledger\".\"blocked_by\" IS NULL",
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        },
+        "idx_usage_ledger_created_at_minute": {
+          "name": "idx_usage_ledger_created_at_minute",
+          "columns": [
+            {
+              "expression": "date_trunc('minute', \"created_at\" AT TIME ZONE 'UTC')",
+              "asc": true,
+              "isExpression": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        },
+        "idx_usage_ledger_created_at_desc_id": {
+          "name": "idx_usage_ledger_created_at_desc_id",
+          "columns": [
+            {
+              "expression": "created_at",
+              "isExpression": false,
+              "asc": false,
+              "nulls": "last"
+            },
+            {
+              "expression": "id",
+              "isExpression": false,
+              "asc": false,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        },
+        "idx_usage_ledger_session_id": {
+          "name": "idx_usage_ledger_session_id",
+          "columns": [
+            {
+              "expression": "session_id",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "where": "\"usage_ledger\".\"session_id\" IS NOT NULL",
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        },
+        "idx_usage_ledger_model": {
+          "name": "idx_usage_ledger_model",
+          "columns": [
+            {
+              "expression": "model",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "where": "\"usage_ledger\".\"model\" IS NOT NULL",
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        },
+        "idx_usage_ledger_key_cost": {
+          "name": "idx_usage_ledger_key_cost",
+          "columns": [
+            {
+              "expression": "key",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            },
+            {
+              "expression": "created_at",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            },
+            {
+              "expression": "cost_usd",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "where": "\"usage_ledger\".\"blocked_by\" IS NULL",
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        },
+        "idx_usage_ledger_user_cost_cover": {
+          "name": "idx_usage_ledger_user_cost_cover",
+          "columns": [
+            {
+              "expression": "user_id",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            },
+            {
+              "expression": "created_at",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            },
+            {
+              "expression": "cost_usd",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "where": "\"usage_ledger\".\"blocked_by\" IS NULL",
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        },
+        "idx_usage_ledger_provider_cost_cover": {
+          "name": "idx_usage_ledger_provider_cost_cover",
+          "columns": [
+            {
+              "expression": "final_provider_id",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            },
+            {
+              "expression": "created_at",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            },
+            {
+              "expression": "cost_usd",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "where": "\"usage_ledger\".\"blocked_by\" IS NULL",
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        }
+      },
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.users": {
+      "name": "users",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "serial",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "name": {
+          "name": "name",
+          "type": "varchar",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "description": {
+          "name": "description",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "role": {
+          "name": "role",
+          "type": "varchar",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "'user'"
+        },
+        "rpm_limit": {
+          "name": "rpm_limit",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "daily_limit_usd": {
+          "name": "daily_limit_usd",
+          "type": "numeric(10, 2)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "provider_group": {
+          "name": "provider_group",
+          "type": "varchar(200)",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "'default'"
+        },
+        "tags": {
+          "name": "tags",
+          "type": "jsonb",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "'[]'::jsonb"
+        },
+        "limit_5h_usd": {
+          "name": "limit_5h_usd",
+          "type": "numeric(10, 2)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "limit_weekly_usd": {
+          "name": "limit_weekly_usd",
+          "type": "numeric(10, 2)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "limit_monthly_usd": {
+          "name": "limit_monthly_usd",
+          "type": "numeric(10, 2)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "limit_total_usd": {
+          "name": "limit_total_usd",
+          "type": "numeric(10, 2)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "limit_concurrent_sessions": {
+          "name": "limit_concurrent_sessions",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "daily_reset_mode": {
+          "name": "daily_reset_mode",
+          "type": "daily_reset_mode",
+          "typeSchema": "public",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "'fixed'"
+        },
+        "daily_reset_time": {
+          "name": "daily_reset_time",
+          "type": "varchar(5)",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "'00:00'"
+        },
+        "is_enabled": {
+          "name": "is_enabled",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": true,
+          "default": true
+        },
+        "expires_at": {
+          "name": "expires_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "allowed_clients": {
+          "name": "allowed_clients",
+          "type": "jsonb",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "'[]'::jsonb"
+        },
+        "allowed_models": {
+          "name": "allowed_models",
+          "type": "jsonb",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "'[]'::jsonb"
+        },
+        "blocked_clients": {
+          "name": "blocked_clients",
+          "type": "jsonb",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "'[]'::jsonb"
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        },
+        "deleted_at": {
+          "name": "deleted_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false
+        }
+      },
+      "indexes": {
+        "idx_users_active_role_sort": {
+          "name": "idx_users_active_role_sort",
+          "columns": [
+            {
+              "expression": "deleted_at",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            },
+            {
+              "expression": "role",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            },
+            {
+              "expression": "id",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "where": "\"users\".\"deleted_at\" IS NULL",
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        },
+        "idx_users_enabled_expires_at": {
+          "name": "idx_users_enabled_expires_at",
+          "columns": [
+            {
+              "expression": "is_enabled",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            },
+            {
+              "expression": "expires_at",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "where": "\"users\".\"deleted_at\" IS NULL",
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        },
+        "idx_users_tags_gin": {
+          "name": "idx_users_tags_gin",
+          "columns": [
+            {
+              "expression": "tags",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "where": "\"users\".\"deleted_at\" IS NULL",
+          "concurrently": false,
+          "method": "gin",
+          "with": {}
+        },
+        "idx_users_created_at": {
+          "name": "idx_users_created_at",
+          "columns": [
+            {
+              "expression": "created_at",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        },
+        "idx_users_deleted_at": {
+          "name": "idx_users_deleted_at",
+          "columns": [
+            {
+              "expression": "deleted_at",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        }
+      },
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.webhook_targets": {
+      "name": "webhook_targets",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "serial",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "name": {
+          "name": "name",
+          "type": "varchar(100)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "provider_type": {
+          "name": "provider_type",
+          "type": "webhook_provider_type",
+          "typeSchema": "public",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "webhook_url": {
+          "name": "webhook_url",
+          "type": "varchar(1024)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "telegram_bot_token": {
+          "name": "telegram_bot_token",
+          "type": "varchar(256)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "telegram_chat_id": {
+          "name": "telegram_chat_id",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "dingtalk_secret": {
+          "name": "dingtalk_secret",
+          "type": "varchar(256)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "custom_template": {
+          "name": "custom_template",
+          "type": "jsonb",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "custom_headers": {
+          "name": "custom_headers",
+          "type": "jsonb",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "proxy_url": {
+          "name": "proxy_url",
+          "type": "varchar(512)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "proxy_fallback_to_direct": {
+          "name": "proxy_fallback_to_direct",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": false
+        },
+        "is_enabled": {
+          "name": "is_enabled",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": true,
+          "default": true
+        },
+        "last_test_at": {
+          "name": "last_test_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "last_test_result": {
+          "name": "last_test_result",
+          "type": "jsonb",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    }
+  },
+  "enums": {
+    "public.daily_reset_mode": {
+      "name": "daily_reset_mode",
+      "schema": "public",
+      "values": [
+        "fixed",
+        "rolling"
+      ]
+    },
+    "public.notification_type": {
+      "name": "notification_type",
+      "schema": "public",
+      "values": [
+        "circuit_breaker",
+        "daily_leaderboard",
+        "cost_alert",
+        "cache_hit_rate_alert"
+      ]
+    },
+    "public.webhook_provider_type": {
+      "name": "webhook_provider_type",
+      "schema": "public",
+      "values": [
+        "wechat",
+        "feishu",
+        "dingtalk",
+        "telegram",
+        "custom"
+      ]
+    }
+  },
+  "schemas": {},
+  "sequences": {},
+  "roles": {},
+  "policies": {},
+  "views": {},
+  "_meta": {
+    "columns": {},
+    "schemas": {},
+    "tables": {}
+  }
+}

drizzle/meta/_journal.json

@@ -540,6 +540,13 @@
       "when": 1771954926766,
       "tag": "0076_mighty_lionheart",
       "breakpoints": true
+    },
+    {
+      "idx": 77,
+      "version": "7",
+      "when": 1772219877045,
+      "tag": "0077_nappy_giant_man",
+      "breakpoints": true
     }
   ]
 }

messages/en/settings/providers/batchEdit.json

@@ -46,7 +46,9 @@
     "modelRedirects": "Model Redirects",
     "allowedModels": "Allowed Models",
     "thinkingBudget": "Thinking Budget",
-    "adaptiveThinking": "Adaptive Thinking"
+    "adaptiveThinking": "Adaptive Thinking",
+    "activeTimeStart": "Active Start Time",
+    "activeTimeEnd": "Active End Time"
   },
   "affectedProviders": {
     "title": "Affected Providers",

messages/en/settings/providers/form/sections.json

@@ -368,6 +368,16 @@
         "placeholder": "1"
       }
     },
+    "activeTime": {
+      "title": "Scheduled Active Time",
+      "description": "Automatically activate provider during specific time windows",
+      "toggleLabel": "Enable Schedule",
+      "toggleDescription": "When enabled, this provider is only active during the specified time window",
+      "startLabel": "Start Time",
+      "endLabel": "End Time",
+      "timezoneNote": "Times are based on system timezone",
+      "crossDayHint": "Cross-day schedule: active from {start} to next day {end}"
+    },
     "summary": {
       "models": "{count} whitelisted models",
       "none": "Not configured",

messages/en/settings/providers/list.json

@@ -41,5 +41,6 @@
   "actionResetCircuit": "Reset Circuit",
   "actionResetUsage": "Reset Usage",
   "actionDelete": "Delete",
-  "selectProvider": "Select {name}"
+  "selectProvider": "Select {name}",
+  "schedule": "Schedule"
 }

messages/ja/settings/providers/batchEdit.json

@@ -46,7 +46,9 @@
     "modelRedirects": "モデルリダイレクト",
     "allowedModels": "許可モデル",
     "thinkingBudget": "思考バジェット",
-    "adaptiveThinking": "アダプティブ思考"
+    "adaptiveThinking": "アダプティブ思考",
+    "activeTimeStart": "スケジュール開始時刻",
+    "activeTimeEnd": "スケジュール終了時刻"
   },
   "affectedProviders": {
     "title": "影響を受けるプロバイダー",

messages/ja/settings/providers/form/sections.json

@@ -369,6 +369,16 @@
         "placeholder": "1"
       }
     },
+    "activeTime": {
+      "title": "スケジュール有効時間",
+      "description": "指定した時間帯に自動的にプロバイダーを有効化します",
+      "toggleLabel": "スケジュールを有効化",
+      "toggleDescription": "有効にすると、指定した時間帯のみプロバイダーがアクティブになります",
+      "startLabel": "開始時刻",
+      "endLabel": "終了時刻",
+      "timezoneNote": "時刻はシステムのタイムゾーンに基づきます",
+      "crossDayHint": "日跨ぎスケジュール: {start} から翌日 {end} まで有効"
+    },
     "summary": {
       "models": "許可モデル {count} 件",
       "none": "未設定",

messages/ja/settings/providers/list.json

@@ -41,5 +41,6 @@
   "actionResetCircuit": "サーキットリセット",
   "actionResetUsage": "使用量リセット",
   "actionDelete": "削除",
-  "selectProvider": "{name} を選択"
+  "selectProvider": "{name} を選択",
+  "schedule": "スケジュール"
 }

messages/ru/settings/providers/batchEdit.json

@@ -46,7 +46,9 @@
     "modelRedirects": "Перенаправление моделей",
     "allowedModels": "Разрешённые модели",
     "thinkingBudget": "Бюджет мышления",
-    "adaptiveThinking": "Адаптивное мышление"
+    "adaptiveThinking": "Адаптивное мышление",
+    "activeTimeStart": "Время начала расписания",
+    "activeTimeEnd": "Время окончания расписания"
   },
   "affectedProviders": {
     "title": "Затронутые поставщики",

messages/ru/settings/providers/form/sections.json

@@ -369,6 +369,16 @@
         "placeholder": "1"
       }
     },
+    "activeTime": {
+      "title": "Расписание активности",
+      "description": "Автоматически активировать провайдера в указанные временные окна",
+      "toggleLabel": "Включить расписание",
+      "toggleDescription": "При включении провайдер активен только в указанном временном окне",
+      "startLabel": "Время начала",
+      "endLabel": "Время окончания",
+      "timezoneNote": "Время указано по системному часовому поясу",
+      "crossDayHint": "Расписание через полночь: активен с {start} до {end} следующего дня"
+    },
     "summary": {
       "models": "{count} моделей в белом списке",
       "none": "Не настроено",

messages/ru/settings/providers/list.json

@@ -41,5 +41,6 @@
   "actionResetCircuit": "Сбросить автоматический выключатель",
   "actionResetUsage": "Сбросить использование",
   "actionDelete": "Удалить",
-  "selectProvider": "Выбрать {name}"
+  "selectProvider": "Выбрать {name}",
+  "schedule": "Расписание"
 }

messages/zh-CN/settings/providers/batchEdit.json

@@ -46,7 +46,9 @@
     "modelRedirects": "模型重定向",
     "allowedModels": "允许的模型",
     "thinkingBudget": "思维预算",
-    "adaptiveThinking": "自适应思维"
+    "adaptiveThinking": "自适应思维",
+    "activeTimeStart": "调度开始时间",
+    "activeTimeEnd": "调度结束时间"
   },
   "affectedProviders": {
     "title": "受影响的供应商",

messages/zh-CN/settings/providers/form/sections.json

@@ -100,6 +100,16 @@
         "noGroups": "请先设置分组标签，才能配置分组优先级"
       }
     },
+    "activeTime": {
+      "title": "调度时间窗口",
+      "description": "在指定时间窗口内自动激活供应商",
+      "toggleLabel": "启用时间调度",
+      "toggleDescription": "启用后，此供应商仅在指定时间窗口内处于活跃状态",
+      "startLabel": "开始时间",
+      "endLabel": "结束时间",
+      "timezoneNote": "时间基于系统时区",
+      "crossDayHint": "跨天调度: 从 {start} 到次日 {end}"
+    },
     "cacheTtl": {
       "label": "Cache TTL 覆写",
       "options": {

messages/zh-CN/settings/providers/list.json

@@ -41,5 +41,6 @@
   "actionResetCircuit": "重置熔断",
   "actionResetUsage": "重置用量",
   "actionDelete": "删除",
-  "selectProvider": "选择 {name}"
+  "selectProvider": "选择 {name}",
+  "schedule": "调度"
 }

messages/zh-TW/settings/providers/batchEdit.json

@@ -46,7 +46,9 @@
     "modelRedirects": "模型重新導向",
     "allowedModels": "允許的模型",
     "thinkingBudget": "思維預算",
-    "adaptiveThinking": "自適應思維"
+    "adaptiveThinking": "自適應思維",
+    "activeTimeStart": "排程開始時間",
+    "activeTimeEnd": "排程結束時間"
   },
   "affectedProviders": {
     "title": "受影響的供應商",

messages/zh-TW/settings/providers/form/sections.json

@@ -369,6 +369,16 @@
         "placeholder": "1"
       }
     },
+    "activeTime": {
+      "title": "排程時間窗口",
+      "description": "在指定時間窗口內自動啟用供應商",
+      "toggleLabel": "啟用時間排程",
+      "toggleDescription": "啟用後，此供應商僅在指定時間窗口內處於活躍狀態",
+      "startLabel": "開始時間",
+      "endLabel": "結束時間",
+      "timezoneNote": "時間依據系統時區",
+      "crossDayHint": "跨天排程: 從 {start} 到隔日 {end}"
+    },
     "summary": {
       "models": "{count} 個允許模型",
       "none": "未設定",

messages/zh-TW/settings/providers/list.json

@@ -41,5 +41,6 @@
   "actionResetCircuit": "重置熔斷",
   "actionResetUsage": "重設用量",
   "actionDelete": "刪除",
-  "selectProvider": "選擇 {name}"
+  "selectProvider": "選擇 {name}",
+  "schedule": "排程"
 }

src/actions/providers.ts

@@ -274,6 +274,8 @@ export async function getProviders(): Promise<ProviderDisplay[]> {
         providerVendorId: provider.providerVendorId,
         preserveClientIp: provider.preserveClientIp,
         modelRedirects: provider.modelRedirects,
+        activeTimeStart: provider.activeTimeStart,
+        activeTimeEnd: provider.activeTimeEnd,
         allowedModels: provider.allowedModels,
         allowedClients: provider.allowedClients,
         blockedClients: provider.blockedClients,
@@ -480,6 +482,8 @@ export async function addProvider(data: {
   provider_type?: ProviderType;
   preserve_client_ip?: boolean;
   model_redirects?: Record<string, string> | null;
+  active_time_start?: string | null;
+  active_time_end?: string | null;
   allowed_models?: string[] | null;
   allowed_clients?: string[] | null;
   blocked_clients?: string[] | null;
@@ -653,6 +657,8 @@ export async function editProvider(
     provider_type?: ProviderType;
     preserve_client_ip?: boolean;
     model_redirects?: Record<string, string> | null;
+    active_time_start?: string | null;
+    active_time_end?: string | null;
     allowed_models?: string[] | null;
     allowed_clients?: string[] | null;
     blocked_clients?: string[] | null;
@@ -1266,6 +1272,8 @@ const SINGLE_EDIT_PREIMAGE_FIELD_TO_PROVIDER_KEY: Record<string, keyof Provider>
   group_priorities: "groupPriorities",
   provider_type: "providerType",
   preserve_client_ip: "preserveClientIp",
+  active_time_start: "activeTimeStart",
+  active_time_end: "activeTimeEnd",
   model_redirects: "modelRedirects",
   allowed_models: "allowedModels",
   limit_5h_usd: "limit5hUsd",
@@ -1427,6 +1435,12 @@ function mapApplyUpdatesToRepositoryFormat(
   if (applyUpdates.preserve_client_ip !== undefined) {
     result.preserveClientIp = applyUpdates.preserve_client_ip;
   }
+  if (applyUpdates.active_time_start !== undefined) {
+    result.activeTimeStart = applyUpdates.active_time_start;
+  }
+  if (applyUpdates.active_time_end !== undefined) {
+    result.activeTimeEnd = applyUpdates.active_time_end;
+  }
   if (applyUpdates.group_priorities !== undefined) {
     result.groupPriorities = applyUpdates.group_priorities;
   }
@@ -1536,6 +1550,8 @@ const PATCH_FIELD_TO_PROVIDER_KEY: Record<ProviderBatchPatchField, keyof Provide
   anthropic_thinking_budget_preference: "anthropicThinkingBudgetPreference",
   anthropic_adaptive_thinking: "anthropicAdaptiveThinking",
   preserve_client_ip: "preserveClientIp",
+  active_time_start: "activeTimeStart",
+  active_time_end: "activeTimeEnd",
   group_priorities: "groupPriorities",
   cache_ttl_preference: "cacheTtlPreference",
   swap_cache_ttl_billing: "swapCacheTtlBilling",

src/app/[locale]/settings/providers/_components/batch-edit/build-patch-draft.ts

@@ -43,6 +43,20 @@ export function buildPatchDraftFromFormState(
   if (dirtyFields.has("routing.preserveClientIp")) {
     draft.preserve_client_ip = { set: state.routing.preserveClientIp };
   }
+  if (dirtyFields.has("routing.activeTimeStart")) {
+    if (state.routing.activeTimeStart === null) {
+      draft.active_time_start = { clear: true };
+    } else {
+      draft.active_time_start = { set: state.routing.activeTimeStart };
+    }
+  }
+  if (dirtyFields.has("routing.activeTimeEnd")) {
+    if (state.routing.activeTimeEnd === null) {
+      draft.active_time_end = { clear: true };
+    } else {
+      draft.active_time_end = { set: state.routing.activeTimeEnd };
+    }
+  }
   if (dirtyFields.has("routing.modelRedirects")) {
     const entries = Object.keys(state.routing.modelRedirects);
     if (entries.length === 0) {

src/app/[locale]/settings/providers/_components/forms/provider-form/index.tsx

@@ -339,6 +339,8 @@ function ProviderFormContent({
           anthropic_thinking_budget_preference: state.routing.anthropicThinkingBudgetPreference,
           anthropic_adaptive_thinking: state.routing.anthropicAdaptiveThinking,
           gemini_google_search_preference: state.routing.geminiGoogleSearchPreference,
+          active_time_start: state.routing.activeTimeStart || null,
+          active_time_end: state.routing.activeTimeEnd || null,
           limit_5h_usd: state.rateLimit.limit5hUsd,
           limit_daily_usd: state.rateLimit.limitDailyUsd,
           daily_reset_mode: state.rateLimit.dailyResetMode,

src/app/[locale]/settings/providers/_components/forms/provider-form/provider-form-context.tsx

@@ -45,6 +45,8 @@ const ACTION_TO_FIELD_PATH: Partial<Record<ProviderFormAction["type"], string>>
   SET_ADAPTIVE_THINKING_MODEL_MATCH_MODE: "routing.anthropicAdaptiveThinking",
   SET_ADAPTIVE_THINKING_MODELS: "routing.anthropicAdaptiveThinking",
   SET_GEMINI_GOOGLE_SEARCH: "routing.geminiGoogleSearchPreference",
+  SET_ACTIVE_TIME_START: "routing.activeTimeStart",
+  SET_ACTIVE_TIME_END: "routing.activeTimeEnd",
   SET_LIMIT_5H_USD: "rateLimit.limit5hUsd",
   SET_LIMIT_DAILY_USD: "rateLimit.limitDailyUsd",
   SET_DAILY_RESET_MODE: "rateLimit.dailyResetMode",
@@ -110,6 +112,8 @@ export function createInitialState(
         anthropicThinkingBudgetPreference: "inherit",
         anthropicAdaptiveThinking: null,
         geminiGoogleSearchPreference: "inherit",
+        activeTimeStart: null,
+        activeTimeEnd: null,
       },
       rateLimit: {
         limit5hUsd: null,
@@ -190,6 +194,8 @@ export function createInitialState(
         sourceProvider?.anthropicThinkingBudgetPreference ?? "inherit",
       anthropicAdaptiveThinking: sourceProvider?.anthropicAdaptiveThinking ?? null,
       geminiGoogleSearchPreference: sourceProvider?.geminiGoogleSearchPreference ?? "inherit",
+      activeTimeStart: sourceProvider?.activeTimeStart ?? null,
+      activeTimeEnd: sourceProvider?.activeTimeEnd ?? null,
     },
     rateLimit: {
       limit5hUsd: sourceProvider?.limit5hUsd ?? null,
@@ -375,6 +381,16 @@ export function providerFormReducer(
         ...state,
         routing: { ...state.routing, geminiGoogleSearchPreference: action.payload },
       };
+    case "SET_ACTIVE_TIME_START":
+      return {
+        ...state,
+        routing: { ...state.routing, activeTimeStart: action.payload },
+      };
+    case "SET_ACTIVE_TIME_END":
+      return {
+        ...state,
+        routing: { ...state.routing, activeTimeEnd: action.payload },
+      };
 
     // Rate limit
     case "SET_LIMIT_5H_USD":

src/app/[locale]/settings/providers/_components/forms/provider-form/provider-form-types.ts

@@ -62,6 +62,9 @@ export interface RoutingState {
   anthropicAdaptiveThinking: AnthropicAdaptiveThinkingConfig | null;
   // Gemini-specific
   geminiGoogleSearchPreference: GeminiGoogleSearchPreference;
+  // Scheduled active time window (HH:mm format, null = always active)
+  activeTimeStart: string | null;
+  activeTimeEnd: string | null;
 }
 
 export interface RateLimitState {
@@ -153,6 +156,8 @@ export type ProviderFormAction =
   | { type: "SET_ADAPTIVE_THINKING_MODELS"; payload: string[] }
   | { type: "SET_ADAPTIVE_THINKING_ENABLED"; payload: boolean }
   | { type: "SET_GEMINI_GOOGLE_SEARCH"; payload: GeminiGoogleSearchPreference }
+  | { type: "SET_ACTIVE_TIME_START"; payload: string | null }
+  | { type: "SET_ACTIVE_TIME_END"; payload: string | null }
   // Rate limit actions
   | { type: "SET_LIMIT_5H_USD"; payload: number | null }
   | { type: "SET_LIMIT_DAILY_USD"; payload: number | null }

src/app/[locale]/settings/providers/_components/forms/provider-form/sections/routing-section.tsx

@@ -1,7 +1,7 @@
 "use client";
 
 import { motion } from "framer-motion";
-import { Info, Layers, Route, Scale, Settings, Timer } from "lucide-react";
+import { Clock, Info, Layers, Route, Scale, Settings, Timer } from "lucide-react";
 import { useTranslations } from "next-intl";
 import { useEffect, useState } from "react";
 import { toast } from "sonner";
@@ -817,6 +817,74 @@ export function RoutingSection() {
             </SmartInputWrapper>
           </SectionCard>
         )}
+
+        {/* Scheduled Active Time */}
+        <SectionCard
+          title={t("sections.routing.activeTime.title")}
+          description={t("sections.routing.activeTime.description")}
+          icon={Clock}
+        >
+          <div className="space-y-4">
+            <ToggleRow
+              label={t("sections.routing.activeTime.toggleLabel")}
+              description={t("sections.routing.activeTime.toggleDescription")}
+            >
+              <Switch
+                checked={
+                  state.routing.activeTimeStart !== null && state.routing.activeTimeEnd !== null
+                }
+                onCheckedChange={(checked) => {
+                  if (checked) {
+                    dispatch({ type: "SET_ACTIVE_TIME_START", payload: "09:00" });
+                    dispatch({ type: "SET_ACTIVE_TIME_END", payload: "22:00" });
+                  } else {
+                    dispatch({ type: "SET_ACTIVE_TIME_START", payload: null });
+                    dispatch({ type: "SET_ACTIVE_TIME_END", payload: null });
+                  }
+                }}
+                disabled={state.ui.isPending}
+              />
+            </ToggleRow>
+
+            {state.routing.activeTimeStart !== null && state.routing.activeTimeEnd !== null && (
+              <div className="space-y-3">
+                <div className="grid grid-cols-2 gap-4">
+                  <SmartInputWrapper label={t("sections.routing.activeTime.startLabel")}>
+                    <Input
+                      type="time"
+                      value={state.routing.activeTimeStart}
+                      onChange={(e) =>
+                        dispatch({ type: "SET_ACTIVE_TIME_START", payload: e.target.value })
+                      }
+                      disabled={state.ui.isPending}
+                    />
+                  </SmartInputWrapper>
+                  <SmartInputWrapper label={t("sections.routing.activeTime.endLabel")}>
+                    <Input
+                      type="time"
+                      value={state.routing.activeTimeEnd}
+                      onChange={(e) =>
+                        dispatch({ type: "SET_ACTIVE_TIME_END", payload: e.target.value })
+                      }
+                      disabled={state.ui.isPending}
+                    />
+                  </SmartInputWrapper>
+                </div>
+                <p className="text-xs text-muted-foreground">
+                  {t("sections.routing.activeTime.timezoneNote")}
+                </p>
+                {state.routing.activeTimeStart > state.routing.activeTimeEnd && (
+                  <p className="text-xs text-amber-600">
+                    {t("sections.routing.activeTime.crossDayHint", {
+                      start: state.routing.activeTimeStart,
+                      end: state.routing.activeTimeEnd,
+                    })}
+                  </p>
+                )}
+              </div>
+            )}
+          </div>
+        </SectionCard>
       </motion.div>
     </TooltipProvider>
   );

src/app/[locale]/settings/providers/_components/provider-rich-list-item.tsx

@@ -4,6 +4,7 @@ import { useQueryClient } from "@tanstack/react-query";
 import {
   AlertTriangle,
   CheckCircle,
+  Clock,
   Copy,
   Edit,
   Globe,
@@ -539,6 +540,13 @@ export function ProviderRichListItem({
               {tList("endpointCircuitBroken")}
             </Badge>
           )}
+          {/* Schedule badge */}
+          {provider.activeTimeStart && provider.activeTimeEnd && (
+            <Badge variant="outline" className="flex items-center gap-1">
+              <Clock className="h-3 w-3" />
+              {provider.activeTimeStart}-{provider.activeTimeEnd}
+            </Badge>
+          )}
         </div>
 
         {/* Mobile: metrics row */}
@@ -738,6 +746,13 @@ export function ProviderRichListItem({
                 {tList("endpointCircuitBroken")}
               </Badge>
             )}
+            {/* Schedule badge */}
+            {provider.activeTimeStart && provider.activeTimeEnd && (
+              <Badge variant="outline" className="flex items-center gap-1 flex-shrink-0">
+                <Clock className="h-3 w-3" />
+                {provider.activeTimeStart}-{provider.activeTimeEnd}
+              </Badge>
+            )}
           </div>
           <div className="flex items-center gap-3 mt-1 text-sm text-muted-foreground flex-wrap">
             {/* Vendor & Endpoints OR Legacy URL */}

src/app/v1/_lib/proxy/provider-selector.ts

@@ -3,6 +3,8 @@ import { PROVIDER_GROUP } from "@/lib/constants/provider.constants";
 import { logger } from "@/lib/logger";
 import { RateLimitService } from "@/lib/rate-limit";
 import { SessionManager } from "@/lib/session-manager";
+import { isProviderActiveNow } from "@/lib/utils/provider-schedule";
+import { resolveSystemTimezone } from "@/lib/utils/timezone";
 import { isVendorTypeCircuitOpen } from "@/lib/vendor-type-circuit-breaker";
 import { findAllProviders, findProviderById } from "@/repository/provider";
 import { getSystemSettings } from "@/repository/system-config";
@@ -536,6 +538,20 @@ export class ProxyProviderResolver {
       return null;
     }
 
+    // 调度时间窗口检查：防止会话复用绕过时间调度
+    const systemTimezone = await resolveSystemTimezone();
+    if (!isProviderActiveNow(provider.activeTimeStart, provider.activeTimeEnd, systemTimezone)) {
+      logger.debug("ProviderSelector: Session provider outside active schedule", {
+        sessionId: session.sessionId,
+        providerId: provider.id,
+        activeTimeStart: provider.activeTimeStart,
+        activeTimeEnd: provider.activeTimeEnd,
+        timezone: systemTimezone,
+      });
+      await SessionManager.clearSessionProvider(session.sessionId);
+      return null;
+    }
+
     // 临时熔断（vendor+type）：防止会话复用绕过故障隔离
     if (
       provider.providerVendorId &&
@@ -844,6 +860,9 @@ export class ProxyProviderResolver {
       visibleProviders = clientFilteredProviders;
     }
 
+    // Resolve system timezone once for active time checks
+    const systemTimezone = await resolveSystemTimezone();
+
     // Step 2: 基础过滤 + 格式/模型匹配（使用 visibleProviders）
     const enabledProviders = visibleProviders.filter((provider) => {
       // 2a. 基础过滤
@@ -851,6 +870,11 @@ export class ProxyProviderResolver {
         return false;
       }
 
+      // 2a-2. 调度时间窗口过滤
+      if (!isProviderActiveNow(provider.activeTimeStart, provider.activeTimeEnd, systemTimezone)) {
+        return false;
+      }
+
       // 2b. 格式类型匹配（新增）
       // 根据 session.originalFormat 限制候选供应商类型，避免格式错配
       if (session?.originalFormat) {
@@ -885,6 +909,7 @@ export class ProxyProviderResolver {
           | "type_mismatch"
           | "model_not_allowed"
           | "context_1m_disabled"
+          | "schedule_inactive"
           | "disabled" = "disabled";
         let details = "";
 
@@ -894,6 +919,9 @@ export class ProxyProviderResolver {
         } else if (excludeIds.includes(p.id)) {
           reason = "excluded";
           details = "已在前序尝试中失败";
+        } else if (!isProviderActiveNow(p.activeTimeStart, p.activeTimeEnd, systemTimezone)) {
+          reason = "schedule_inactive";
+          details = `outside active window ${p.activeTimeStart}-${p.activeTimeEnd}`;
         } else if (
           session?.originalFormat &&
           !checkFormatProviderTypeCompatibility(session.originalFormat, p.providerType)
@@ -1252,9 +1280,13 @@ export class ProxyProviderResolver {
       );
     }
 
-    // 按 providerType 精确过滤
+    // 按 providerType 精确过滤 + 调度时间窗口
+    const systemTimezone = await resolveSystemTimezone();
     const typeFiltered = visibleProviders.filter(
-      (p) => p.isEnabled && p.providerType === providerType
+      (p) =>
+        p.isEnabled &&
+        p.providerType === providerType &&
+        isProviderActiveNow(p.activeTimeStart, p.activeTimeEnd, systemTimezone)
     );
 
     // 将 providerType 映射为 decisionContext 允许的 targetType

src/drizzle/schema.ts

@@ -204,9 +204,10 @@ export const providers = pgTable('providers', {
   allowedClients: jsonb('allowed_clients').$type<string[]>().notNull().default([]),
   blockedClients: jsonb('blocked_clients').$type<string[]>().notNull().default([]),
 
-  // 加入 Claude 调度池：仅对非 Anthropic 提供商有效
-  // 启用后，如果该提供商配置了重定向到 claude-* 模型，可以加入 claude 调度池
-  joinClaudePool: boolean('join_claude_pool').default(false),
+  // Scheduled active time window (HH:mm format)
+  // Both null = always active; both set = active during window only
+  activeTimeStart: varchar('active_time_start', { length: 5 }),
+  activeTimeEnd: varchar('active_time_end', { length: 5 }),
 
   // Codex instructions 策略（已废弃）：历史字段保留以兼容旧数据
   // 当前运行时对 Codex 请求的 instructions 一律透传，不再读取/生效此配置

src/lib/provider-patch-contract.ts

@@ -36,6 +36,8 @@ const PATCH_FIELDS: ProviderBatchPatchField[] = [
   "anthropic_thinking_budget_preference",
   "anthropic_adaptive_thinking",
   // Routing
+  "active_time_start",
+  "active_time_end",
   "preserve_client_ip",
   "group_priorities",
   "cache_ttl_preference",
@@ -86,6 +88,8 @@ const CLEARABLE_FIELDS: Record<ProviderBatchPatchField, boolean> = {
   anthropic_thinking_budget_preference: true,
   anthropic_adaptive_thinking: true,
   // Routing
+  active_time_start: true,
+  active_time_end: true,
   preserve_client_ip: false,
   group_priorities: true,
   cache_ttl_preference: true,
@@ -232,6 +236,9 @@ function isValidSetValue(field: ProviderBatchPatchField, value: unknown): boolea
     case "proxy_url":
     case "mcp_passthrough_url":
       return typeof value === "string";
+    case "active_time_start":
+    case "active_time_end":
+      return typeof value === "string" && /^([01][0-9]|2[0-3]):[0-5][0-9]$/.test(value);
     case "group_priorities":
       return isNumberRecord(value);
     case "cache_ttl_preference":
@@ -421,6 +428,12 @@ export function normalizeProviderBatchPatchDraft(
   if (!adaptiveThinking.ok) return adaptiveThinking;
 
   // Routing
+  const activeTimeStart = normalizePatchField("active_time_start", typedDraft.active_time_start);
+  if (!activeTimeStart.ok) return activeTimeStart;
+
+  const activeTimeEnd = normalizePatchField("active_time_end", typedDraft.active_time_end);
+  if (!activeTimeEnd.ok) return activeTimeEnd;
+
   const preserveClientIp = normalizePatchField("preserve_client_ip", typedDraft.preserve_client_ip);
   if (!preserveClientIp.ok) return preserveClientIp;
 
@@ -584,6 +597,8 @@ export function normalizeProviderBatchPatchDraft(
       anthropic_thinking_budget_preference: thinkingBudget.data,
       anthropic_adaptive_thinking: adaptiveThinking.data,
       // Routing
+      active_time_start: activeTimeStart.data,
+      active_time_end: activeTimeEnd.data,
       preserve_client_ip: preserveClientIp.data,
       group_priorities: groupPriorities.data,
       cache_ttl_preference: cacheTtlPref.data,
@@ -672,6 +687,12 @@ function applyPatchField<T>(
           patch.value as ProviderBatchApplyUpdates["anthropic_adaptive_thinking"];
         return { ok: true, data: undefined };
       // Routing
+      case "active_time_start":
+        updates.active_time_start = patch.value as ProviderBatchApplyUpdates["active_time_start"];
+        return { ok: true, data: undefined };
+      case "active_time_end":
+        updates.active_time_end = patch.value as ProviderBatchApplyUpdates["active_time_end"];
+        return { ok: true, data: undefined };
       case "preserve_client_ip":
         updates.preserve_client_ip = patch.value as ProviderBatchApplyUpdates["preserve_client_ip"];
         return { ok: true, data: undefined };
@@ -813,6 +834,13 @@ function applyPatchField<T>(
     case "anthropic_adaptive_thinking":
       updates.anthropic_adaptive_thinking = null;
       return { ok: true, data: undefined };
+    // Routing - active time clear to null
+    case "active_time_start":
+      updates.active_time_start = null;
+      return { ok: true, data: undefined };
+    case "active_time_end":
+      updates.active_time_end = null;
+      return { ok: true, data: undefined };
     // Routing - preference fields clear to "inherit"
     case "cache_ttl_preference":
       updates.cache_ttl_preference = "inherit";
@@ -893,6 +921,8 @@ export function buildProviderBatchApplyUpdates(
     ["anthropic_thinking_budget_preference", patch.anthropic_thinking_budget_preference],
     ["anthropic_adaptive_thinking", patch.anthropic_adaptive_thinking],
     // Routing
+    ["active_time_start", patch.active_time_start],
+    ["active_time_end", patch.active_time_end],
     ["preserve_client_ip", patch.preserve_client_ip],
     ["group_priorities", patch.group_priorities],
     ["cache_ttl_preference", patch.cache_ttl_preference],
@@ -956,6 +986,8 @@ export function hasProviderBatchPatchChanges(patch: ProviderBatchPatch): boolean
     patch.anthropic_thinking_budget_preference.mode !== "no_change" ||
     patch.anthropic_adaptive_thinking.mode !== "no_change" ||
     // Routing
+    patch.active_time_start.mode !== "no_change" ||
+    patch.active_time_end.mode !== "no_change" ||
     patch.preserve_client_ip.mode !== "no_change" ||
     patch.group_priorities.mode !== "no_change" ||
     patch.cache_ttl_preference.mode !== "no_change" ||

src/lib/utils/provider-schedule.ts

@@ -0,0 +1,79 @@
+/**
+ * Provider Schedule Utilities
+ *
+ * Determines whether a provider is currently within its configured active time window.
+ * Supports same-day and cross-day (overnight) schedules using the system timezone.
+ */
+
+/**
+ * Check if a provider is currently active based on its schedule configuration.
+ *
+ * @param startTime - HH:mm format start time, or null (always active)
+ * @param endTime - HH:mm format end time, or null (always active)
+ * @param timezone - IANA timezone identifier (e.g., "Asia/Shanghai")
+ * @param now - Optional Date override for testing
+ * @returns true if the provider is currently active
+ *
+ * Rules:
+ * - Both null -> always active (true)
+ * - Either null -> always active (true) (defensive; validation ensures both-or-neither)
+ * - start === end -> false (zero-width window; validation blocks this input)
+ * - Same-day (start < end): start <= now < end
+ * - Cross-day (start > end): now >= start || now < end
+ */
+export function isProviderActiveNow(
+  startTime: string | null,
+  endTime: string | null,
+  timezone: string,
+  now: Date = new Date()
+): boolean {
+  if (startTime == null || endTime == null) {
+    return true;
+  }
+
+  if (startTime === endTime) {
+    return false;
+  }
+
+  const nowMinutes = getCurrentMinutesInTimezone(now, timezone);
+  const startMinutes = parseHHMM(startTime);
+  const endMinutes = parseHHMM(endTime);
+
+  // Fail-open: if DB contains malformed time values, treat provider as always active
+  if (Number.isNaN(startMinutes) || Number.isNaN(endMinutes)) {
+    return true;
+  }
+
+  if (startMinutes < endMinutes) {
+    // Same-day: start <= now < end
+    return nowMinutes >= startMinutes && nowMinutes < endMinutes;
+  }
+
+  // Cross-day: now >= start || now < end
+  return nowMinutes >= startMinutes || nowMinutes < endMinutes;
+}
+
+const HHMM_RE = /^([01]\d|2[0-3]):([0-5]\d)$/;
+
+function parseHHMM(time: string): number {
+  const match = HHMM_RE.exec(time);
+  if (!match) {
+    return Number.NaN;
+  }
+  return Number.parseInt(match[1], 10) * 60 + Number.parseInt(match[2], 10);
+}
+
+function getCurrentMinutesInTimezone(now: Date, timezone: string): number {
+  const formatter = new Intl.DateTimeFormat("en-US", {
+    timeZone: timezone,
+    hour: "2-digit",
+    minute: "2-digit",
+    hour12: false,
+  });
+
+  const parts = formatter.formatToParts(now);
+  const hour = parseInt(parts.find((p) => p.type === "hour")?.value ?? "0", 10);
+  const minute = parseInt(parts.find((p) => p.type === "minute")?.value ?? "0", 10);
+
+  return hour * 60 + minute;
+}

src/lib/validation/schemas.ts

@@ -448,6 +448,17 @@ export const CreateProviderSchema = z
       .default("claude"),
     preserve_client_ip: z.boolean().optional().default(false),
     model_redirects: z.record(z.string(), z.string()).nullable().optional(),
+    // Scheduled active time window (HH:mm format)
+    active_time_start: z
+      .string()
+      .regex(/^([01][0-9]|2[0-3]):[0-5][0-9]$/, "active_time_start must be HH:mm format")
+      .nullable()
+      .optional(),
+    active_time_end: z
+      .string()
+      .regex(/^([01][0-9]|2[0-3]):[0-5][0-9]$/, "active_time_end must be HH:mm format")
+      .nullable()
+      .optional(),
     allowed_models: z.array(z.string()).nullable().optional(),
     allowed_clients: OPTIONAL_CLIENT_PATTERN_ARRAY_WITH_DEFAULT_SCHEMA,
     blocked_clients: OPTIONAL_CLIENT_PATTERN_ARRAY_WITH_DEFAULT_SCHEMA,
@@ -621,6 +632,23 @@ export const CreateProviderSchema = z
         });
       }
     }
+    // active_time_start and active_time_end must be both set or both null
+    const hasStart = data.active_time_start != null;
+    const hasEnd = data.active_time_end != null;
+    if (hasStart !== hasEnd) {
+      ctx.addIssue({
+        code: z.ZodIssueCode.custom,
+        message: "active_time_start and active_time_end must be both set or both cleared",
+        path: [hasStart ? "active_time_end" : "active_time_start"],
+      });
+    }
+    if (hasStart && hasEnd && data.active_time_start === data.active_time_end) {
+      ctx.addIssue({
+        code: z.ZodIssueCode.custom,
+        message: "active_time_start and active_time_end must not be the same",
+        path: ["active_time_end"],
+      });
+    }
   });
 
 /**
@@ -656,6 +684,16 @@ export const UpdateProviderSchema = z
       .optional(),
     preserve_client_ip: z.boolean().optional(),
     model_redirects: z.record(z.string(), z.string()).nullable().optional(),
+    active_time_start: z
+      .string()
+      .regex(/^([01][0-9]|2[0-3]):[0-5][0-9]$/, "active_time_start must be HH:mm format")
+      .nullable()
+      .optional(),
+    active_time_end: z
+      .string()
+      .regex(/^([01][0-9]|2[0-3]):[0-5][0-9]$/, "active_time_end must be HH:mm format")
+      .nullable()
+      .optional(),
     allowed_models: z.array(z.string()).nullable().optional(),
     allowed_clients: OPTIONAL_CLIENT_PATTERN_ARRAY_SCHEMA,
     blocked_clients: OPTIONAL_CLIENT_PATTERN_ARRAY_SCHEMA,
@@ -824,6 +862,23 @@ export const UpdateProviderSchema = z
         });
       }
     }
+    // active_time_start and active_time_end must be both set or both null
+    const hasStart = data.active_time_start != null;
+    const hasEnd = data.active_time_end != null;
+    if (hasStart !== hasEnd) {
+      ctx.addIssue({
+        code: z.ZodIssueCode.custom,
+        message: "active_time_start and active_time_end must be both set or both cleared",
+        path: [hasStart ? "active_time_end" : "active_time_start"],
+      });
+    }
+    if (hasStart && hasEnd && data.active_time_start === data.active_time_end) {
+      ctx.addIssue({
+        code: z.ZodIssueCode.custom,
+        message: "active_time_start and active_time_end must not be the same",
+        path: ["active_time_end"],
+      });
+    }
   });
 
 /**

src/repository/_shared/transformers.ts

@@ -92,6 +92,8 @@ export function toProvider(dbProvider: any): Provider {
     providerType: dbProvider?.providerType ?? "claude",
     preserveClientIp: dbProvider?.preserveClientIp ?? false,
     modelRedirects: dbProvider?.modelRedirects ?? null,
+    activeTimeStart: dbProvider?.activeTimeStart ?? null,
+    activeTimeEnd: dbProvider?.activeTimeEnd ?? null,
     mcpPassthroughType: dbProvider?.mcpPassthroughType ?? "none",
     mcpPassthroughUrl: dbProvider?.mcpPassthroughUrl ?? null,
     limit5hUsd: dbProvider?.limit5hUsd ? parseFloat(dbProvider.limit5hUsd) : null,

src/repository/provider.ts

@@ -187,6 +187,8 @@ export async function createProvider(providerData: CreateProviderData): Promise<
     allowedModels: providerData.allowed_models,
     allowedClients: providerData.allowed_clients ?? [],
     blockedClients: providerData.blocked_clients ?? [],
+    activeTimeStart: providerData.active_time_start ?? null,
+    activeTimeEnd: providerData.active_time_end ?? null,
     mcpPassthroughType: providerData.mcp_passthrough_type ?? "none",
     mcpPassthroughUrl: providerData.mcp_passthrough_url ?? null,
     limit5hUsd: providerData.limit_5h_usd != null ? providerData.limit_5h_usd.toString() : null,
@@ -264,6 +266,8 @@ export async function createProvider(providerData: CreateProviderData): Promise<
         allowedModels: providers.allowedModels,
         allowedClients: providers.allowedClients,
         blockedClients: providers.blockedClients,
+        activeTimeStart: providers.activeTimeStart,
+        activeTimeEnd: providers.activeTimeEnd,
         mcpPassthroughType: providers.mcpPassthroughType,
         mcpPassthroughUrl: providers.mcpPassthroughUrl,
         limit5hUsd: providers.limit5hUsd,
@@ -346,6 +350,8 @@ export async function findProviderList(
       allowedModels: providers.allowedModels,
       allowedClients: providers.allowedClients,
       blockedClients: providers.blockedClients,
+      activeTimeStart: providers.activeTimeStart,
+      activeTimeEnd: providers.activeTimeEnd,
       mcpPassthroughType: providers.mcpPassthroughType,
       mcpPassthroughUrl: providers.mcpPassthroughUrl,
       limit5hUsd: providers.limit5hUsd,
@@ -428,6 +434,8 @@ export async function findAllProvidersFresh(): Promise<Provider[]> {
       allowedModels: providers.allowedModels,
       allowedClients: providers.allowedClients,
       blockedClients: providers.blockedClients,
+      activeTimeStart: providers.activeTimeStart,
+      activeTimeEnd: providers.activeTimeEnd,
       mcpPassthroughType: providers.mcpPassthroughType,
       mcpPassthroughUrl: providers.mcpPassthroughUrl,
       limit5hUsd: providers.limit5hUsd,
@@ -514,6 +522,8 @@ export async function findProviderById(id: number): Promise<Provider | null> {
       allowedModels: providers.allowedModels,
       allowedClients: providers.allowedClients,
       blockedClients: providers.blockedClients,
+      activeTimeStart: providers.activeTimeStart,
+      activeTimeEnd: providers.activeTimeEnd,
       mcpPassthroughType: providers.mcpPassthroughType,
       mcpPassthroughUrl: providers.mcpPassthroughUrl,
       limit5hUsd: providers.limit5hUsd,
@@ -596,6 +606,10 @@ export async function updateProvider(
     dbData.allowedClients = providerData.allowed_clients ?? [];
   if (providerData.blocked_clients !== undefined)
     dbData.blockedClients = providerData.blocked_clients ?? [];
+  if (providerData.active_time_start !== undefined)
+    dbData.activeTimeStart = providerData.active_time_start ?? null;
+  if (providerData.active_time_end !== undefined)
+    dbData.activeTimeEnd = providerData.active_time_end ?? null;
   if (providerData.mcp_passthrough_type !== undefined)
     dbData.mcpPassthroughType = providerData.mcp_passthrough_type;
   if (providerData.mcp_passthrough_url !== undefined)
@@ -743,6 +757,8 @@ export async function updateProvider(
         allowedModels: providers.allowedModels,
         allowedClients: providers.allowedClients,
         blockedClients: providers.blockedClients,
+        activeTimeStart: providers.activeTimeStart,
+        activeTimeEnd: providers.activeTimeEnd,
         mcpPassthroughType: providers.mcpPassthroughType,
         mcpPassthroughUrl: providers.mcpPassthroughUrl,
         limit5hUsd: providers.limit5hUsd,
@@ -998,6 +1014,8 @@ export interface BatchProviderUpdates {
   anthropicAdaptiveThinking?: AnthropicAdaptiveThinkingConfig | null;
   // Routing
   preserveClientIp?: boolean;
+  activeTimeStart?: string | null;
+  activeTimeEnd?: string | null;
   groupPriorities?: Record<string, number> | null;
   cacheTtlPreference?: string | null;
   swapCacheTtlBilling?: boolean;
@@ -1082,6 +1100,12 @@ export async function updateProvidersBatch(
   if (updates.preserveClientIp !== undefined) {
     setClauses.preserveClientIp = updates.preserveClientIp;
   }
+  if (updates.activeTimeStart !== undefined) {
+    setClauses.activeTimeStart = updates.activeTimeStart;
+  }
+  if (updates.activeTimeEnd !== undefined) {
+    setClauses.activeTimeEnd = updates.activeTimeEnd;
+  }
   if (updates.groupPriorities !== undefined) {
     setClauses.groupPriorities = updates.groupPriorities;
   }

src/types/message.ts

@@ -172,6 +172,7 @@ export interface ProviderChainItem {
         | "type_mismatch"
         | "model_not_allowed"
         | "context_1m_disabled" // 供应商禁用了 1M 上下文功能
+        | "schedule_inactive" // 供应商不在调度时间窗口内
         | "disabled"
         | "client_restriction"; // Provider filtered due to client restriction
       details?: string; // 额外信息（如费用：$15.2/$15）

src/types/provider.ts

@@ -69,7 +69,9 @@ export type ProviderBatchPatchField =
   | "blocked_clients"
   | "anthropic_thinking_budget_preference"
   | "anthropic_adaptive_thinking"
-  // Routing
+  // Routing / Schedule
+  | "active_time_start"
+  | "active_time_end"
   | "preserve_client_ip"
   | "group_priorities"
   | "cache_ttl_preference"
@@ -118,7 +120,9 @@ export interface ProviderBatchPatchDraft {
   blocked_clients?: ProviderPatchDraftInput<string[]>;
   anthropic_thinking_budget_preference?: ProviderPatchDraftInput<AnthropicThinkingBudgetPreference>;
   anthropic_adaptive_thinking?: ProviderPatchDraftInput<AnthropicAdaptiveThinkingConfig>;
-  // Routing
+  // Routing / Schedule
+  active_time_start?: ProviderPatchDraftInput<string>;
+  active_time_end?: ProviderPatchDraftInput<string>;
   preserve_client_ip?: ProviderPatchDraftInput<boolean>;
   group_priorities?: ProviderPatchDraftInput<Record<string, number>>;
   cache_ttl_preference?: ProviderPatchDraftInput<CacheTtlPreference>;
@@ -168,7 +172,9 @@ export interface ProviderBatchPatch {
   blocked_clients: ProviderPatchOperation<string[]>;
   anthropic_thinking_budget_preference: ProviderPatchOperation<AnthropicThinkingBudgetPreference>;
   anthropic_adaptive_thinking: ProviderPatchOperation<AnthropicAdaptiveThinkingConfig>;
-  // Routing
+  // Routing / Schedule
+  active_time_start: ProviderPatchOperation<string>;
+  active_time_end: ProviderPatchOperation<string>;
   preserve_client_ip: ProviderPatchOperation<boolean>;
   group_priorities: ProviderPatchOperation<Record<string, number>>;
   cache_ttl_preference: ProviderPatchOperation<CacheTtlPreference>;
@@ -218,7 +224,9 @@ export interface ProviderBatchApplyUpdates {
   blocked_clients?: string[];
   anthropic_thinking_budget_preference?: AnthropicThinkingBudgetPreference | null;
   anthropic_adaptive_thinking?: AnthropicAdaptiveThinkingConfig | null;
-  // Routing
+  // Routing / Schedule
+  active_time_start?: string | null;
+  active_time_end?: string | null;
   preserve_client_ip?: boolean;
   group_priorities?: Record<string, number> | null;
   cache_ttl_preference?: CacheTtlPreference | null;
@@ -288,6 +296,10 @@ export interface Provider {
   preserveClientIp: boolean;
   modelRedirects: Record<string, string> | null;
 
+  // Scheduled active time window (HH:mm format, null = always active)
+  activeTimeStart: string | null;
+  activeTimeEnd: string | null;
+
   // 模型列表：双重语义
   // - Anthropic 提供商：白名单（管理员限制可调度的模型，可选）
   // - 非 Anthropic 提供商：声明列表（提供商声称支持的模型，可选）
@@ -398,6 +410,9 @@ export interface ProviderDisplay {
   // 是否透传客户端 IP
   preserveClientIp: boolean;
   modelRedirects: Record<string, string> | null;
+  // Scheduled active time window
+  activeTimeStart: string | null;
+  activeTimeEnd: string | null;
   // 模型列表（双重语义）
   allowedModels: string[] | null;
   allowedClients: string[]; // Allowed client patterns (empty = no restriction)
@@ -490,6 +505,8 @@ export interface CreateProviderData {
   provider_type?: ProviderType;
   preserve_client_ip?: boolean;
   model_redirects?: Record<string, string> | null;
+  active_time_start?: string | null;
+  active_time_end?: string | null;
   allowed_models?: string[] | null;
   allowed_clients?: string[] | null;
   blocked_clients?: string[] | null;
@@ -566,6 +583,8 @@ export interface UpdateProviderData {
   provider_type?: ProviderType;
   preserve_client_ip?: boolean;
   model_redirects?: Record<string, string> | null;
+  active_time_start?: string | null;
+  active_time_end?: string | null;
   allowed_models?: string[] | null;
   allowed_clients?: string[] | null;
   blocked_clients?: string[] | null;

tests/unit/actions/providers-patch-contract.test.ts

@@ -909,6 +909,122 @@ describe("provider patch contract", () => {
 
       expect(hasProviderBatchPatchChanges(normalized.data)).toBe(false);
     });
+
+    it("detects change on active_time_start", () => {
+      const normalized = normalizeProviderBatchPatchDraft({
+        active_time_start: { set: "09:00" },
+      });
+
+      expect(normalized.ok).toBe(true);
+      if (!normalized.ok) return;
+
+      expect(hasProviderBatchPatchChanges(normalized.data)).toBe(true);
+    });
+
+    it("detects change on active_time_end", () => {
+      const normalized = normalizeProviderBatchPatchDraft({
+        active_time_end: { set: "17:00" },
+      });
+
+      expect(normalized.ok).toBe(true);
+      if (!normalized.ok) return;
+
+      expect(hasProviderBatchPatchChanges(normalized.data)).toBe(true);
+    });
+  });
+
+  describe("active_time_start / active_time_end batch patch", () => {
+    it("accepts active_time_start as string and maps to apply payload", () => {
+      const result = prepareProviderBatchApplyUpdates({
+        active_time_start: { set: "09:00" },
+      });
+
+      expect(result.ok).toBe(true);
+      if (!result.ok) return;
+
+      expect(result.data.active_time_start).toBe("09:00");
+    });
+
+    it("clears active_time_start to null", () => {
+      const result = prepareProviderBatchApplyUpdates({
+        active_time_start: { clear: true },
+      });
+
+      expect(result.ok).toBe(true);
+      if (!result.ok) return;
+
+      expect(result.data.active_time_start).toBeNull();
+    });
+
+    it("accepts active_time_end as string and maps to apply payload", () => {
+      const result = prepareProviderBatchApplyUpdates({
+        active_time_end: { set: "17:00" },
+      });
+
+      expect(result.ok).toBe(true);
+      if (!result.ok) return;
+
+      expect(result.data.active_time_end).toBe("17:00");
+    });
+
+    it("clears active_time_end to null", () => {
+      const result = prepareProviderBatchApplyUpdates({
+        active_time_end: { clear: true },
+      });
+
+      expect(result.ok).toBe(true);
+      if (!result.ok) return;
+
+      expect(result.data.active_time_end).toBeNull();
+    });
+
+    it("rejects non-string value for active_time_start", () => {
+      const result = normalizeProviderBatchPatchDraft({
+        active_time_start: { set: 900 } as never,
+      });
+
+      expect(result.ok).toBe(false);
+      if (result.ok) return;
+
+      expect(result.error.code).toBe(PROVIDER_PATCH_ERROR_CODES.INVALID_PATCH_SHAPE);
+      expect(result.error.field).toBe("active_time_start");
+    });
+
+    it("rejects non-string value for active_time_end", () => {
+      const result = normalizeProviderBatchPatchDraft({
+        active_time_end: { set: 900 } as never,
+      });
+
+      expect(result.ok).toBe(false);
+      if (result.ok) return;
+
+      expect(result.error.code).toBe(PROVIDER_PATCH_ERROR_CODES.INVALID_PATCH_SHAPE);
+      expect(result.error.field).toBe("active_time_end");
+    });
+
+    it("rejects invalid HH:mm format for active_time_start", () => {
+      const result = normalizeProviderBatchPatchDraft({
+        active_time_start: { set: "9:00" },
+      });
+
+      expect(result.ok).toBe(false);
+      if (result.ok) return;
+
+      expect(result.error.code).toBe(PROVIDER_PATCH_ERROR_CODES.INVALID_PATCH_SHAPE);
+      expect(result.error.field).toBe("active_time_start");
+    });
+
+    it("rejects out-of-range time for active_time_end", () => {
+      const result = normalizeProviderBatchPatchDraft({
+        active_time_end: { set: "25:00" },
+      });
+
+      expect(result.ok).toBe(false);
+      if (result.ok) return;
+
+      expect(result.error.code).toBe(PROVIDER_PATCH_ERROR_CODES.INVALID_PATCH_SHAPE);
+      expect(result.error.field).toBe("active_time_end");
+    });
   });
 
   describe("combined set across all categories", () => {
@@ -936,6 +1052,9 @@ describe("provider patch contract", () => {
         // mcp
         mcp_passthrough_type: { set: "minimax" },
         mcp_passthrough_url: { set: "https://api.minimaxi.com" },
+        // schedule
+        active_time_start: { set: "09:00" },
+        active_time_end: { set: "17:00" },
       });
 
       expect(result.ok).toBe(true);
@@ -957,6 +1076,8 @@ describe("provider patch contract", () => {
       expect(result.data.first_byte_timeout_streaming_ms).toBe(15000);
       expect(result.data.mcp_passthrough_type).toBe("minimax");
       expect(result.data.mcp_passthrough_url).toBe("https://api.minimaxi.com");
+      expect(result.data.active_time_start).toBe("09:00");
+      expect(result.data.active_time_end).toBe("17:00");
     });
   });
 });

tests/unit/lib/utils/provider-schedule.test.ts

@@ -0,0 +1,178 @@
+import { describe, expect, it } from "vitest";
+import { isProviderActiveNow } from "@/lib/utils/provider-schedule";
+
+describe("isProviderActiveNow", () => {
+  // Helper: create a Date at a specific time in a given timezone
+  function makeDate(hh: number, mm: number, timezone: string): Date {
+    // Build a date string in the target timezone, then convert back to UTC
+    const now = new Date();
+    const year = now.getFullYear();
+    const month = now.getMonth();
+    const day = now.getDate();
+
+    // Create a date formatter for the target timezone
+    const formatter = new Intl.DateTimeFormat("en-US", {
+      timeZone: timezone,
+      year: "numeric",
+      month: "2-digit",
+      day: "2-digit",
+      hour: "2-digit",
+      minute: "2-digit",
+      second: "2-digit",
+      hour12: false,
+    });
+
+    // Get what the current time is in that timezone
+    const parts = formatter.formatToParts(now);
+    const getPart = (type: string) => parts.find((p) => p.type === type)?.value ?? "0";
+    const currentHourInTz = parseInt(getPart("hour"), 10);
+    const currentMinuteInTz = parseInt(getPart("minute"), 10);
+
+    // Compute the offset in ms we need to shift
+    const targetMinutes = hh * 60 + mm;
+    const currentMinutes = currentHourInTz * 60 + currentMinuteInTz;
+    const diffMs = (targetMinutes - currentMinutes) * 60 * 1000;
+
+    return new Date(now.getTime() + diffMs);
+  }
+
+  describe("null/undefined inputs (always active)", () => {
+    it("returns true when both start and end are null", () => {
+      expect(isProviderActiveNow(null, null, "UTC")).toBe(true);
+    });
+
+    it("returns true when start is null and end is non-null", () => {
+      expect(isProviderActiveNow(null, "18:00", "UTC")).toBe(true);
+    });
+
+    it("returns true when start is non-null and end is null", () => {
+      expect(isProviderActiveNow("09:00", null, "UTC")).toBe(true);
+    });
+  });
+
+  describe("same-day schedule (start < end)", () => {
+    const cases = [
+      { start: "09:00", end: "17:00", hour: 9, min: 0, expected: true, desc: "at start boundary" },
+      { start: "09:00", end: "17:00", hour: 12, min: 30, expected: true, desc: "middle of window" },
+      { start: "09:00", end: "17:00", hour: 16, min: 59, expected: true, desc: "just before end" },
+      {
+        start: "09:00",
+        end: "17:00",
+        hour: 17,
+        min: 0,
+        expected: false,
+        desc: "at end boundary (exclusive)",
+      },
+      {
+        start: "09:00",
+        end: "17:00",
+        hour: 8,
+        min: 59,
+        expected: false,
+        desc: "just before start",
+      },
+      { start: "09:00", end: "17:00", hour: 23, min: 0, expected: false, desc: "well after end" },
+      { start: "09:00", end: "17:00", hour: 0, min: 0, expected: false, desc: "midnight" },
+      { start: "00:00", end: "23:59", hour: 12, min: 0, expected: true, desc: "nearly full day" },
+    ];
+
+    for (const { start, end, hour, min, expected, desc } of cases) {
+      it(`${desc}: ${start}-${end} at ${String(hour).padStart(2, "0")}:${String(min).padStart(2, "0")} -> ${expected}`, () => {
+        const now = makeDate(hour, min, "UTC");
+        expect(isProviderActiveNow(start, end, "UTC", now)).toBe(expected);
+      });
+    }
+  });
+
+  describe("cross-day schedule (start > end)", () => {
+    const cases = [
+      { start: "22:00", end: "08:00", hour: 22, min: 0, expected: true, desc: "at start boundary" },
+      { start: "22:00", end: "08:00", hour: 23, min: 30, expected: true, desc: "late night" },
+      { start: "22:00", end: "08:00", hour: 0, min: 0, expected: true, desc: "midnight" },
+      { start: "22:00", end: "08:00", hour: 3, min: 0, expected: true, desc: "early morning" },
+      { start: "22:00", end: "08:00", hour: 7, min: 59, expected: true, desc: "just before end" },
+      {
+        start: "22:00",
+        end: "08:00",
+        hour: 8,
+        min: 0,
+        expected: false,
+        desc: "at end boundary (exclusive)",
+      },
+      { start: "22:00", end: "08:00", hour: 12, min: 0, expected: false, desc: "midday" },
+      {
+        start: "22:00",
+        end: "08:00",
+        hour: 21,
+        min: 59,
+        expected: false,
+        desc: "just before start",
+      },
+    ];
+
+    for (const { start, end, hour, min, expected, desc } of cases) {
+      it(`${desc}: ${start}-${end} at ${String(hour).padStart(2, "0")}:${String(min).padStart(2, "0")} -> ${expected}`, () => {
+        const now = makeDate(hour, min, "UTC");
+        expect(isProviderActiveNow(start, end, "UTC", now)).toBe(expected);
+      });
+    }
+  });
+
+  describe("edge cases", () => {
+    it("start === end returns false (zero-width window)", () => {
+      const now = makeDate(22, 0, "UTC");
+      expect(isProviderActiveNow("22:00", "22:00", "UTC", now)).toBe(false);
+    });
+
+    it("start === end returns false even at different time", () => {
+      const now = makeDate(10, 0, "UTC");
+      expect(isProviderActiveNow("22:00", "22:00", "UTC", now)).toBe(false);
+    });
+  });
+
+  describe("timezone support", () => {
+    it("same UTC time yields different results in different timezones", () => {
+      // At UTC 06:00, in Asia/Shanghai (UTC+8) it's 14:00
+      // Schedule 09:00-17:00 should be active in Shanghai but not in UTC
+      const utcDate = makeDate(6, 0, "UTC");
+
+      // In UTC at 06:00 with schedule 09:00-17:00 -> inactive
+      expect(isProviderActiveNow("09:00", "17:00", "UTC", utcDate)).toBe(false);
+
+      // In Asia/Shanghai at 14:00 with schedule 09:00-17:00 -> active
+      expect(isProviderActiveNow("09:00", "17:00", "Asia/Shanghai", utcDate)).toBe(true);
+    });
+  });
+
+  describe("malformed input defense", () => {
+    it("returns true (fail-open) for malformed start time", () => {
+      const now = makeDate(12, 0, "UTC");
+      expect(isProviderActiveNow("garbage", "17:00", "UTC", now)).toBe(true);
+    });
+
+    it("returns true (fail-open) for malformed end time", () => {
+      const now = makeDate(12, 0, "UTC");
+      expect(isProviderActiveNow("09:00", "not-a-time", "UTC", now)).toBe(true);
+    });
+
+    it("returns true (fail-open) for both times malformed", () => {
+      const now = makeDate(12, 0, "UTC");
+      expect(isProviderActiveNow("bad", "worse", "UTC", now)).toBe(true);
+    });
+
+    it("returns true (fail-open) for out-of-range hour (24:00)", () => {
+      const now = makeDate(12, 0, "UTC");
+      expect(isProviderActiveNow("24:00", "17:00", "UTC", now)).toBe(true);
+    });
+
+    it("returns true (fail-open) for single-digit hour (9:00)", () => {
+      const now = makeDate(12, 0, "UTC");
+      expect(isProviderActiveNow("9:00", "17:00", "UTC", now)).toBe(true);
+    });
+
+    it("returns true (fail-open) for out-of-range minutes (99:99)", () => {
+      const now = makeDate(12, 0, "UTC");
+      expect(isProviderActiveNow("99:99", "17:00", "UTC", now)).toBe(true);
+    });
+  });
+});