feat(providers): add vendor endpoints with probes and failover

.env.example

@@ -119,8 +119,20 @@ ENABLE_SMART_PROBING=false
 PROBE_INTERVAL_MS=30000
 PROBE_TIMEOUT_MS=5000
 
-# 多提供商类型支持（实验性功能）
-# - false (默认)：仅支持 Claude、Codex类型供应商
-# - true：支持 Gemini CLI、OpenAI Compatible 等其他类型
-# 警告：其他类型功能仍在开发中，暂不建议启用
-ENABLE_MULTI_PROVIDER_TYPES=false
+# Provider Endpoint Probing (always enabled)
+# 功能说明：每 10 秒探测所有启用端点的速度与连通性，并刷新端点选择排序。
+# 注意：没有 ENABLE 开关，默认启用；可通过下列参数调优。
+ENDPOINT_PROBE_INTERVAL_MS=10000
+ENDPOINT_PROBE_TIMEOUT_MS=5000
+ENDPOINT_PROBE_CONCURRENCY=10
+ENDPOINT_PROBE_CYCLE_JITTER_MS=1000
+ENDPOINT_PROBE_LOCK_TTL_MS=30000
+
+# 探测日志策略
+# - scheduled 成功日志按最小间隔采样（默认每端点最多 1 条/分钟）
+# - 失败日志全量记录
+ENDPOINT_PROBE_SUCCESS_LOG_MIN_INTERVAL_MS=60000
+
+# 探测日志保留与清理
+ENDPOINT_PROBE_LOG_RETENTION_DAYS=7
+ENDPOINT_PROBE_LOG_CLEANUP_BATCH_SIZE=10000

drizzle/0056_tidy_quasar.sql

@@ -0,0 +1,67 @@
+CREATE TABLE IF NOT EXISTS "provider_endpoint_probe_logs" (
+	"id" serial PRIMARY KEY NOT NULL,
+	"endpoint_id" integer NOT NULL,
+	"source" varchar(20) DEFAULT 'scheduled' NOT NULL,
+	"ok" boolean NOT NULL,
+	"status_code" integer,
+	"latency_ms" integer,
+	"error_type" varchar(64),
+	"error_message" text,
+	"created_at" timestamp with time zone DEFAULT now()
+);
+--> statement-breakpoint
+CREATE TABLE IF NOT EXISTS "provider_endpoints" (
+	"id" serial PRIMARY KEY NOT NULL,
+	"vendor_id" integer NOT NULL,
+	"provider_type" varchar(20) DEFAULT 'claude' NOT NULL,
+	"url" text NOT NULL,
+	"label" varchar(200),
+	"sort_order" integer DEFAULT 0 NOT NULL,
+	"is_enabled" boolean DEFAULT true NOT NULL,
+	"last_probed_at" timestamp with time zone,
+	"last_probe_ok" boolean,
+	"last_probe_status_code" integer,
+	"last_probe_latency_ms" integer,
+	"last_probe_error_type" varchar(64),
+	"last_probe_error_message" text,
+	"created_at" timestamp with time zone DEFAULT now(),
+	"updated_at" timestamp with time zone DEFAULT now(),
+	"deleted_at" timestamp with time zone
+);
+--> statement-breakpoint
+CREATE TABLE IF NOT EXISTS "provider_vendors" (
+	"id" serial PRIMARY KEY NOT NULL,
+	"website_domain" varchar(255) NOT NULL,
+	"display_name" varchar(200),
+	"website_url" text,
+	"favicon_url" text,
+	"created_at" timestamp with time zone DEFAULT now(),
+	"updated_at" timestamp with time zone DEFAULT now()
+);
+--> statement-breakpoint
+ALTER TABLE "providers" ADD COLUMN IF NOT EXISTS "provider_vendor_id" integer;--> statement-breakpoint
+DO $$ BEGIN
+  ALTER TABLE "provider_endpoint_probe_logs" ADD CONSTRAINT "provider_endpoint_probe_logs_endpoint_id_provider_endpoints_id_fk" FOREIGN KEY ("endpoint_id") REFERENCES "public"."provider_endpoints"("id") ON DELETE cascade ON UPDATE no action;
+EXCEPTION
+  WHEN duplicate_object THEN NULL;
+END $$;--> statement-breakpoint
+DO $$ BEGIN
+  ALTER TABLE "provider_endpoints" ADD CONSTRAINT "provider_endpoints_vendor_id_provider_vendors_id_fk" FOREIGN KEY ("vendor_id") REFERENCES "public"."provider_vendors"("id") ON DELETE cascade ON UPDATE no action;
+EXCEPTION
+  WHEN duplicate_object THEN NULL;
+END $$;--> statement-breakpoint
+CREATE INDEX IF NOT EXISTS "idx_provider_endpoint_probe_logs_endpoint_created_at" ON "provider_endpoint_probe_logs" USING btree ("endpoint_id","created_at" DESC NULLS LAST);--> statement-breakpoint
+CREATE INDEX IF NOT EXISTS "idx_provider_endpoint_probe_logs_created_at" ON "provider_endpoint_probe_logs" USING btree ("created_at");--> statement-breakpoint
+CREATE UNIQUE INDEX IF NOT EXISTS "uniq_provider_endpoints_vendor_type_url" ON "provider_endpoints" USING btree ("vendor_id","provider_type","url");--> statement-breakpoint
+CREATE INDEX IF NOT EXISTS "idx_provider_endpoints_vendor_type" ON "provider_endpoints" USING btree ("vendor_id","provider_type") WHERE "provider_endpoints"."deleted_at" IS NULL;--> statement-breakpoint
+CREATE INDEX IF NOT EXISTS "idx_provider_endpoints_enabled" ON "provider_endpoints" USING btree ("is_enabled","vendor_id","provider_type") WHERE "provider_endpoints"."deleted_at" IS NULL;--> statement-breakpoint
+CREATE INDEX IF NOT EXISTS "idx_provider_endpoints_created_at" ON "provider_endpoints" USING btree ("created_at");--> statement-breakpoint
+CREATE INDEX IF NOT EXISTS "idx_provider_endpoints_deleted_at" ON "provider_endpoints" USING btree ("deleted_at");--> statement-breakpoint
+CREATE UNIQUE INDEX IF NOT EXISTS "uniq_provider_vendors_website_domain" ON "provider_vendors" USING btree ("website_domain");--> statement-breakpoint
+CREATE INDEX IF NOT EXISTS "idx_provider_vendors_created_at" ON "provider_vendors" USING btree ("created_at");--> statement-breakpoint
+DO $$ BEGIN
+  ALTER TABLE "providers" ADD CONSTRAINT "providers_provider_vendor_id_provider_vendors_id_fk" FOREIGN KEY ("provider_vendor_id") REFERENCES "public"."provider_vendors"("id") ON DELETE restrict ON UPDATE no action;
+EXCEPTION
+  WHEN duplicate_object THEN NULL;
+END $$;--> statement-breakpoint
+CREATE INDEX IF NOT EXISTS "idx_providers_vendor_type" ON "providers" USING btree ("provider_vendor_id","provider_type") WHERE "providers"."deleted_at" IS NULL;