feat(wm-revenue): #6 营收管理平台+报装管理系统增强（审计+应用接入+报装概览/任务/查询/报表）

db/postgresql/V4__issue_6_enhancements.sql

@@ -0,0 +1,64 @@
+-- =============================================
+-- 智慧水务管理系统 - 营收管理平台与报装管理系统增强
+-- 版本: V4 (Issue #6)
+-- =============================================
+
+-- 平台运维审计日志
+CREATE TABLE IF NOT EXISTS rev_audit_log (
+    id BIGSERIAL PRIMARY KEY,
+    user_id VARCHAR(50) NOT NULL,
+    user_name VARCHAR(100) NOT NULL,
+    action VARCHAR(50) NOT NULL,             -- CREATE/UPDATE/DELETE/LOGIN/EXPORT
+    target_type VARCHAR(50),                 -- customer/meter/bill/app
+    target_id VARCHAR(50),
+    detail TEXT,
+    ip VARCHAR(50),
+    created_at TIMESTAMP DEFAULT NOW()
+);
+COMMENT ON TABLE rev_audit_log IS '平台运维审计日志表';
+CREATE INDEX IF NOT EXISTS idx_audit_user ON rev_audit_log(user_id);
+CREATE INDEX IF NOT EXISTS idx_audit_action ON rev_audit_log(action);
+CREATE INDEX IF NOT EXISTS idx_audit_created ON rev_audit_log(created_at);
+
+-- 应用接入注册表
+CREATE TABLE IF NOT EXISTS rev_app_registry (
+    id BIGSERIAL PRIMARY KEY,
+    app_id VARCHAR(50) UNIQUE NOT NULL,
+    app_secret VARCHAR(100) NOT NULL,
+    app_name VARCHAR(100) NOT NULL,
+    redirect_uris TEXT,                      -- JSON array of redirect URIs
+    enabled SMALLINT DEFAULT 1,              -- 0:disabled 1:enabled
+    created_at TIMESTAMP DEFAULT NOW(),
+    updated_at TIMESTAMP DEFAULT NOW()
+);
+COMMENT ON TABLE rev_app_registry IS '应用接入注册表';
+CREATE INDEX IF NOT EXISTS idx_app_enabled ON rev_app_registry(enabled);
+
+-- 报装任务表
+CREATE TABLE IF NOT EXISTS rev_install_task (
+    id BIGSERIAL PRIMARY KEY,
+    task_id VARCHAR(50) UNIQUE NOT NULL,
+    apply_no VARCHAR(50) NOT NULL,
+    task_type VARCHAR(50) NOT NULL,          -- design/construction/inspection
+    assignee_id BIGINT,
+    assignee_name VARCHAR(100),
+    description TEXT,
+    status VARCHAR(20) DEFAULT 'pending',    -- pending/in_progress/completed/cancelled
+    remark TEXT,
+    completed_at TIMESTAMP,
+    created_at TIMESTAMP DEFAULT NOW(),
+    updated_at TIMESTAMP DEFAULT NOW()
+);
+COMMENT ON TABLE rev_install_task IS '报装任务表';
+CREATE INDEX IF NOT EXISTS idx_task_apply ON rev_install_task(apply_no);
+CREATE INDEX IF NOT EXISTS idx_task_assignee ON rev_install_task(assignee_id);
+CREATE INDEX IF NOT EXISTS idx_task_status ON rev_install_task(status);
+
+-- 增强报装表（添加缺失的时间戳字段）
+ALTER TABLE rev_installation ADD COLUMN IF NOT EXISTS dispatched_at TIMESTAMP;
+ALTER TABLE rev_installation ADD COLUMN IF NOT EXISTS construction_started_at TIMESTAMP;
+ALTER TABLE rev_installation ADD COLUMN IF NOT EXISTS customer_type VARCHAR(20);
+
+COMMENT ON COLUMN rev_installation.dispatched_at IS '派单时间';
+COMMENT ON COLUMN rev_installation.construction_started_at IS '施工开始时间';
+COMMENT ON COLUMN rev_installation.customer_type IS '客户类型';