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migrates/schemas.sql

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+CREATE TABLE ailbl_tag (
+    ID VARCHAR(64) PRIMARY KEY,
+    Tag VARCHAR(128) NOT NULL,
+    Kind SMALLINT NOT NULL,  -- Giá trị 1 đến 6 như mô tả
+    Ref VARCHAR(36),         -- Tham chiếu động theo Kind
+    primary_color VARCHAR(8), -- Mã màu chính (Hex)
+    secondary_color VARCHAR(8), -- Mã màu phụ (Hex)
+    Created timestamptz NOT NULL DEFAULT CURRENT_TIMESTAMP, -- UTC
+    Modified timestamptz NOT NULL DEFAULT CURRENT_TIMESTAMP, -- UTC
+    CONSTRAINT unique_tag_kind_ref UNIQUE (Tag, Kind, Ref)
+);
+
+CREATE TABLE ailbl_tag_ref (
+    ID VARCHAR(64) PRIMARY KEY,
+    tag_id VARCHAR(64) NOT NULL,
+    Ref VARCHAR(64) NOT NULL,
+    sub_ref VARCHAR(1024),
+    CONSTRAINT unique_tagid_ref UNIQUE (TagId, Ref),
+    CONSTRAINT fk_tagref_tag FOREIGN KEY (TagId) REFERENCES ailbl_tag(ID) ON DELETE CASCADE
+);