M5(3/3): trigger —— 三类触发器与起单幂等

- matchesEvent:事件触发的命中判定(S-FEEL 规则;规则写坏按不命中处置,不让事件流停摆)
- assembleInput:字段映射装配;缺必填即起单失败入死信,不静默丢弃
- 幂等:同一事件对同一触发器至多起一单;数据日历型同一行同一日期只触发一次
- 周期两型:日历表达式到点扫描 + 数据日历型(日期字段 + 偏移 + 过滤)逐行起单
- 登记触发:人工起单的统一形态,登记人即来源
- 触发器与流程包平级:配置独立存放,增删启停不改流程包版本

340 个测试通过,门禁五道全绿

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01KeDBx2PHLavbURXB8LJJ7m

db/migrations/0007_swift_silver_samurai.sql

@@ -0,0 +1,17 @@
+CREATE TABLE "sys"."trigger_claim" (
+	"key" text PRIMARY KEY NOT NULL,
+	"claimed_at" timestamp with time zone DEFAULT now() NOT NULL
+);
+--> statement-breakpoint
+CREATE TABLE "sys"."trigger" (
+	"id" text PRIMARY KEY NOT NULL,
+	"name" text NOT NULL,
+	"enabled" boolean DEFAULT true NOT NULL,
+	"process_package_id" text NOT NULL,
+	"mapping" jsonb DEFAULT '[]'::jsonb NOT NULL,
+	"spec" jsonb NOT NULL,
+	"last_fired_at" timestamp with time zone,
+	"created_at" timestamp with time zone DEFAULT now() NOT NULL
+);
+--> statement-breakpoint
+CREATE INDEX "trigger_enabled_idx" ON "sys"."trigger" USING btree ("enabled");

db/migrations/meta/_journal.json

@@ -50,6 +50,13 @@
       "when": 1785088864829,
       "tag": "0006_easy_enchantress",
       "breakpoints": true
+    },
+    {
+      "idx": 7,
+      "version": "7",
+      "when": 1785089035016,
+      "tag": "0007_swift_silver_samurai",
+      "breakpoints": true
     }
   ]
 }