Phase 5 — Thread tracker

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

server/index.js

@@ -22,7 +22,7 @@ app.get('/health', (req, res) => {
 
 app.use('/api/campaigns', campaignsRouter);
 app.use('/api/characters', charactersRouter);
-app.use('/api/threads', threadsRouter);
+app.use('/api/campaigns/:campaignId/threads', threadsRouter);
 app.use('/api/npcs', npcsRouter);
 app.use('/api/notes', notesRouter);
 app.use('/api/tables', tablesRouter);