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src/config/env.js

@@ -28,6 +28,10 @@ export default {
     dbProvider: process.env.DB_PROVIDER || (process.env.SQLITE_PATH ? 'sqlite' : 'mssql'),
     openrouterFreeKey: process.env.OPENROUTER_FREE_KEY,
     serperApiKey: process.env.SERPER_API_KEY,
+    // Default model for agent conversations. `openrouter/free` routes to whatever free model
+    // OpenRouter currently offers, which avoids pinning to a specific upstream id that can be
+    // withdrawn or become unavailable. A conversation's stored model still wins when set.
+    defaultModel: process.env.OPENROUTER_MODEL || 'openrouter/free',
     sqlite: {
         filename: process.env.SQLITE_PATH || process.env.SQLITE_FILENAME || resolve(__dirname, '../../data/dash.db'),
     },