init: 初始化 dpb 桃育种系统代码库

前后端 + 后端 FastAPI 全量源码、部署脚本与文档。

backend/sql/weld_combining_index_kinship.sql

@@ -0,0 +1,28 @@
+-- 断链焊接（第二段）：配合力纯Python化 / 选择指数落库 / 亲缘近交分析
+-- 新增 bre_selection_index 表（create_all 只建新表，已有库需手动执行本脚本）。
+-- 依赖：bre_selection_result 表已存在（决选写入）；bre_germplasm/bre_tree 已存在。
+
+CREATE TABLE IF NOT EXISTS bre_selection_index (
+    id                 integer GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
+    model_name         varchar(128),
+    method             varchar(16),
+    weights_json       jsonb,
+    batch_refs_json    jsonb,
+    heritability_json  jsonb,
+    top_n              integer,
+    result_json        jsonb,
+    created_time       timestamp with time zone NOT NULL DEFAULT now(),
+    updated_time       timestamp with time zone,
+    is_deleted         boolean NOT NULL DEFAULT false,
+    deleted_time       timestamp with time zone,
+    created_id         integer REFERENCES sys_user(id) ON UPDATE CASCADE ON DELETE SET NULL,
+    updated_id         integer REFERENCES sys_user(id) ON UPDATE CASCADE ON DELETE SET NULL,
+    deleted_id         integer REFERENCES sys_user(id) ON UPDATE CASCADE ON DELETE SET NULL,
+    uuid               varchar(64) NOT NULL
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS ix_bre_selection_index_uuid ON bre_selection_index (uuid);
+CREATE INDEX IF NOT EXISTS ix_bre_selection_index_created_deleted ON bre_selection_index (created_time, is_deleted);
+CREATE INDEX IF NOT EXISTS ix_bre_selection_index_created_id ON bre_selection_index (created_id);
+CREATE INDEX IF NOT EXISTS ix_bre_selection_index_updated_id ON bre_selection_index (updated_id);
+CREATE INDEX IF NOT EXISTS ix_bre_selection_index_deleted_id ON bre_selection_index (deleted_id);