added license tables

Author: qcdyx

liquibase/changelog.xml

@@ -75,4 +75,5 @@
     <include file="changes/feat_1057.sql" relativeToChangelogFile="true"/>
     <!-- Recreate or refresh dependent materialized view FeedSearch to use the relation instead of scanning gtfsdataset.latest -->
     <include file="changes/feat_1057_view.sql" relativeToChangelogFile="true"/>    
+    <include file="changes/feat_1343.sql" relativeToChangelogFile="true"/>
 </databaseChangeLog>

liquibase/changes/feat_1343.sql

@@ -0,0 +1,27 @@
+CREATE TABLE license (
+id TEXT PRIMARY KEY,
+type TEXT NOT NULL CHECK (type IN ('standard', 'custom')),
+is_spdx BOOLEAN NOT NULL DEFAULT FALSE,
+name TEXT NOT NULL,
+url TEXT,
+description TEXT,
+content_txt TEXT,
+content_html TEXT,
+created_at TIMESTAMP,
+updated_at TIMESTAMP
+);
+
+-- Unified rules table
+CREATE TABLE rules (
+name TEXT PRIMARY KEY,
+label TEXT NOT NULL,
+description TEXT,
+type TEXT NOT NULL CHECK (type IN ('permission', 'condition', 'limitation'))
+);
+
+-- Join table for license-rule mappings
+CREATE TABLE license_rules (
+license_id TEXT REFERENCES license(id) ON DELETE CASCADE,
+rule_id TEXT REFERENCES rules(name) ON DELETE CASCADE,
+PRIMARY KEY (license_id, rule_id)
+);