perf: optimize proxy streaming and database access

src/db/mod.rs

@@ -46,6 +46,23 @@ pub async fn create_pool(database_url: &str, max_connections: u32) -> anyhow::Re
     }
     let pool = SqlitePoolOptions::new()
         .max_connections(max_connections)
+        .after_connect(|conn, _meta| {
+            Box::pin(async move {
+                sqlx::query("PRAGMA journal_mode = WAL")
+                    .execute(&mut *conn)
+                    .await?;
+                sqlx::query("PRAGMA synchronous = NORMAL")
+                    .execute(&mut *conn)
+                    .await?;
+                sqlx::query("PRAGMA busy_timeout = 5000")
+                    .execute(&mut *conn)
+                    .await?;
+                sqlx::query("PRAGMA foreign_keys = ON")
+                    .execute(&mut *conn)
+                    .await?;
+                Ok(())
+            })
+        })
         .connect(database_url)
         .await?;
     Ok(pool)

src/db/schema_compat.rs

@@ -100,6 +100,34 @@ const SQLITE_COMPAT_DDL: &[&str] = &[
      ON proxy_logs (client_app_id, created_at)",
     "CREATE INDEX IF NOT EXISTS proxy_logs_client_family_created_at_idx
      ON proxy_logs (client_family, created_at)",
+    "CREATE INDEX IF NOT EXISTS proxy_logs_key_created_status_idx
+     ON proxy_logs (downstream_api_key_id, created_at DESC, status)",
+    "CREATE INDEX IF NOT EXISTS proxy_logs_key_model_created_idx
+     ON proxy_logs (downstream_api_key_id, model_actual, created_at DESC)",
+    "CREATE INDEX IF NOT EXISTS proxy_logs_content_summary_idx
+     ON proxy_logs (content_summary)",
+    "CREATE INDEX IF NOT EXISTS workspace_assets_user_output_created_idx
+     ON workspace_assets (user_id, status, deleted_at, source, kind, created_at DESC)",
+    "CREATE INDEX IF NOT EXISTS workspace_assets_output_role_created_idx
+     ON workspace_assets (json_extract(metadata, '$.workspaceAsset.role'), created_at DESC)",
+    "CREATE INDEX IF NOT EXISTS workspace_assets_workflow_output_created_idx
+     ON workspace_assets (json_extract(metadata, '$.workflowUi.type'), created_at DESC)",
+    "CREATE TABLE IF NOT EXISTS workspace_asset_daily (
+        local_day TEXT NOT NULL,
+        user_id INTEGER NOT NULL DEFAULT 0,
+        source TEXT NOT NULL,
+        kind TEXT NOT NULL,
+        asset_count INTEGER NOT NULL DEFAULT 0,
+        local_file_count INTEGER NOT NULL DEFAULT 0,
+        total_size_bytes INTEGER NOT NULL DEFAULT 0,
+        created_at TEXT DEFAULT (datetime('now')),
+        updated_at TEXT DEFAULT (datetime('now')),
+        UNIQUE(local_day, user_id, source, kind)
+    )",
+    "CREATE INDEX IF NOT EXISTS workspace_asset_daily_user_day_idx
+     ON workspace_asset_daily (user_id, local_day DESC)",
+    "CREATE INDEX IF NOT EXISTS workspace_asset_daily_source_day_idx
+     ON workspace_asset_daily (source, local_day DESC)",
     "CREATE INDEX IF NOT EXISTS route_channels_oauth_route_unit_id_idx
      ON route_channels (oauth_route_unit_id)",
     "CREATE TABLE IF NOT EXISTS site_api_endpoints (