49 lines
4.1 KiB
JSON
49 lines
4.1 KiB
JSON
{
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"table": "pbl_blueprint_template",
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"comment": "PBL 蓝图模板（M1b：支持平台公共模板 tenant_id IS NULL；租户私有模板 tenant_id 非空）",
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"engine": "InnoDB",
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"charset": "utf8mb4",
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"multi_tenant": true,
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"tenant_policy": {
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"column": "tenant_id",
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"nullable": true,
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"null_meaning": "platform_common",
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"read": "租户可见 = (tenant_id = :tenant OR tenant_id IS NULL AND is_public = 1)",
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"write": "平台公共模板写操作需 is_platform_admin；租户模板写操作需 tenant_id 匹配",
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"fail_closed": true
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},
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"columns": [
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{"name": "id", "type": "varchar(64)", "primary_key": true, "comment": "模板ID tpl-xxxx"},
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{"name": "tenant_id", "type": "varchar(64)", "nullable": true, "index": true, "comment": "租户ID；NULL=平台公共模板（Q-OPEN-3 决议：不改 world 表，平台公共数据只落在 pbl_* 自有表）"},
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{"name": "code", "type": "varchar(64)", "nullable": false, "comment": "模板编码，租户内唯一；平台公共模板在 tenant_id IS NULL 域内唯一"},
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{"name": "name", "type": "varchar(200)", "nullable": false, "comment": "模板名称"},
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{"name": "category", "type": "varchar(64)", "nullable": true, "comment": "分类：stem/humanities/interdisciplinary/vocational/custom"},
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{"name": "subject_tags", "type": "json", "nullable": true, "comment": "学科标签数组"},
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{"name": "grade_range", "type": "varchar(64)", "nullable": true, "comment": "适用学段，如 G4-G6"},
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{"name": "duration_hours", "type": "int", "nullable": true, "comment": "建议课时（小时）"},
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{"name": "summary", "type": "varchar(1000)", "nullable": true, "comment": "模板简介"},
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{"name": "content", "type": "json", "nullable": true, "comment": "模板内容：driving_question/missions/roles/artifacts/assessment 等子对象骨架"},
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{"name": "subobject_kinds", "type": "json", "nullable": true, "comment": "模板包含的子对象类型清单（7类泛化契约）"},
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{"name": "ext_schema", "type": "json", "nullable": true, "comment": "扩展字段定义（字段名/类型/必填/枚举/默认值），实例化时用于校验"},
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{"name": "is_public", "type": "tinyint(1)", "nullable": false, "default": "1", "comment": "平台公共模板是否对全部租户可见（仅 tenant_id IS NULL 时有意义）"},
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{"name": "is_builtin", "type": "tinyint(1)", "nullable": false, "default": "0", "comment": "是否内置（内置模板禁止删除，仅可停用）"},
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{"name": "source", "type": "varchar(32)", "nullable": false, "default": "platform", "comment": "来源：platform/tenant/fork/import"},
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{"name": "source_template_id", "type": "varchar(64)", "nullable": true, "comment": "fork 来源模板ID（租户从平台公共模板派生时记录）"},
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{"name": "version", "type": "varchar(32)", "nullable": false, "default": "1.0.0", "comment": "模板版本号"},
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{"name": "status", "type": "varchar(32)", "nullable": false, "default": "draft", "comment": "draft/published/deprecated"},
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{"name": "usage_count", "type": "int", "nullable": false, "default": "0", "comment": "被实例化次数（平台公共模板跨租户累计）"},
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{"name": "owner_id", "type": "varchar(64)", "nullable": true, "comment": "创建人/负责人"},
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{"name": "created_by", "type": "varchar(64)", "nullable": true},
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{"name": "created_at", "type": "datetime", "nullable": true},
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{"name": "updated_by", "type": "varchar(64)", "nullable": true},
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{"name": "updated_at", "type": "datetime", "nullable": true},
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{"name": "deleted", "type": "tinyint(1)", "nullable": false, "default": "0", "comment": "软删除标记"}
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],
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"indexes": [
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{"name": "uk_pbl_tpl_tenant_code", "unique": true, "columns": ["tenant_id", "code", "deleted"], "comment": "租户内编码唯一；tenant_id NULL 时 MySQL 唯一索引不去重，故平台公共模板唯一性由应用层 ensure 校验兜底"},
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{"name": "idx_pbl_tpl_status", "columns": ["tenant_id", "status", "deleted"]},
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{"name": "idx_pbl_tpl_category", "columns": ["category"]}
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],
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"seed": "pbl_blueprint/json/seed_template_offline.json"
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}
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