Add consent-gated media exchange library

tests/database.test.ts

@@ -107,10 +107,12 @@ describe('Database Client', () => {
         .prepare("SELECT name FROM sqlite_master WHERE type='table' AND name NOT LIKE 'sqlite_%'")
         .all() as { name: string }[];
       // Existing domain/config tables plus account, conversation, sync and media ownership stores.
-      expect(tables.length).toBe(18);
+      expect(tables.length).toBe(20);
       expect(tables.map((table) => table.name)).toEqual(expect.arrayContaining([
         'candidate_queue',
         'runtime_state',
+        'media_library_assets',
+        'media_library_sends',
       ]));
     });
 
@@ -160,7 +162,7 @@ describe('Database Client', () => {
         DROP TABLE conversation_automation_claims;
         DROP TABLE ai_usage;
       `);
-      db.pragma(`user_version = ${latestVersion - 6}`);
+      db.pragma(`user_version = ${latestVersion - 7}`);
       runMigrations(db);
 
       expect(db.prepare('SELECT recipient, reason FROM recipient_suppressions ORDER BY recipient COLLATE NOCASE').all())
@@ -197,7 +199,7 @@ describe('Database Client', () => {
           'durable reply', 5, 11, 1
         );
       `);
-      db.pragma(`user_version = ${latestVersion - 1}`);
+      db.pragma(`user_version = ${latestVersion - 2}`);
 
       runMigrations(db);