feat: 建立统一检测任务、样本链与发病事件

server-go/migrations/000005_detection_disease_events.up.sql

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+CREATE TABLE IF NOT EXISTS detection_tasks (
+    id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
+    source_key varchar(128) NOT NULL,
+    source_type varchar(32) NOT NULL,
+    source_id varchar(128),
+    room_id uuid,
+    batch_id uuid,
+    inspection_id uuid,
+    disease varchar(64) NOT NULL,
+    recommended_method varchar(32),
+    method varchar(32),
+    priority varchar(16) NOT NULL DEFAULT 'routine',
+    status varchar(16) NOT NULL DEFAULT 'pending',
+    assignee_id uuid,
+    assigned_at timestamptz,
+    result varchar(16),
+    resulted_at timestamptz,
+    cancelled_reason text,
+    created_by uuid,
+    note text,
+    created_at timestamptz NOT NULL DEFAULT now(),
+    updated_at timestamptz NOT NULL DEFAULT now()
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS idx_detection_tasks_source_key ON detection_tasks (source_key);
+CREATE INDEX IF NOT EXISTS idx_detection_tasks_status ON detection_tasks (status);
+CREATE INDEX IF NOT EXISTS idx_detection_tasks_room_id ON detection_tasks (room_id);
+CREATE INDEX IF NOT EXISTS idx_detection_tasks_inspection_id ON detection_tasks (inspection_id);
+
+CREATE TABLE IF NOT EXISTS samples (
+    id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
+    detection_task_id uuid NOT NULL,
+    sample_no varchar(64) NOT NULL,
+    room_id uuid,
+    batch_id uuid,
+    tray_id uuid,
+    sampled_by uuid,
+    sampled_at timestamptz,
+    collected_at timestamptz,
+    handed_over_at timestamptz,
+    handed_over_by uuid,
+    received_at timestamptz,
+    received_by uuid,
+    testing_started_at timestamptz,
+    consumed_at timestamptz,
+    disposed_at timestamptz,
+    state varchar(16) NOT NULL DEFAULT 'created',
+    note text,
+    created_at timestamptz NOT NULL DEFAULT now(),
+    updated_at timestamptz NOT NULL DEFAULT now()
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS idx_samples_detection_task_id ON samples (detection_task_id);
+CREATE UNIQUE INDEX IF NOT EXISTS idx_samples_sample_no ON samples (sample_no);
+
+CREATE TABLE IF NOT EXISTS disease_events (
+    id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
+    source_key varchar(128) NOT NULL,
+    room_id uuid,
+    batch_id uuid,
+    detection_task_id uuid,
+    lamp_test_id uuid,
+    consultation_id uuid,
+    inspection_id uuid,
+    disease varchar(64) NOT NULL,
+    status varchar(16) NOT NULL DEFAULT 'suspected',
+    evidence jsonb,
+    confirmed_at timestamptz,
+    confirmed_by uuid,
+    loss_summary text,
+    measure text,
+    note text,
+    created_at timestamptz NOT NULL DEFAULT now(),
+    updated_at timestamptz NOT NULL DEFAULT now()
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS idx_disease_events_source_key ON disease_events (source_key);
+CREATE INDEX IF NOT EXISTS idx_disease_events_status ON disease_events (status);
+CREATE INDEX IF NOT EXISTS idx_disease_events_room_id ON disease_events (room_id);
+
+ALTER TABLE trace_records
+    ADD COLUMN IF NOT EXISTS disease_event_id uuid;
+
+CREATE INDEX IF NOT EXISTS idx_trace_records_disease_event_id ON trace_records (disease_event_id);
+
+ALTER TABLE lamp_tests
+    ADD COLUMN IF NOT EXISTS detection_task_id uuid;
+
+CREATE INDEX IF NOT EXISTS idx_lamp_tests_detection_task_id ON lamp_tests (detection_task_id);