feat(agent): v4.11.0 - clés API par utilisateur, chargement dynamique modèles, commandes slash

app/db.py

@@ -740,6 +740,24 @@ def init_db():
                 updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
             )
         """)
+        # ─── v4.10.2: per-user provider API keys ──────────────────────────────
+        # Each user can save several providers with their own key/base + the
+        # live model list fetched from the provider (models_json cache).
+        conn.execute("""
+            CREATE TABLE IF NOT EXISTS user_llm_keys (
+                id INTEGER PRIMARY KEY AUTOINCREMENT,
+                user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+                provider TEXT NOT NULL,
+                api_key TEXT NOT NULL DEFAULT '',
+                api_base TEXT NOT NULL DEFAULT '',
+                default_model TEXT DEFAULT '',
+                models_json TEXT NOT NULL DEFAULT '[]',
+                created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+                updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+                UNIQUE(user_id, provider)
+            )
+        """)
+        conn.execute("CREATE INDEX IF NOT EXISTS idx_user_llm_keys_user ON user_llm_keys(user_id)")
         # Migration: per-conversation provider/model override columns
         for col in ("provider", "model"):
             try: