improve reasoning toggle tests and refactor model capability checks

src/app.js

@@ -16,6 +16,8 @@ import {createPagesRouter} from "./routes/pages.js";
 import {createPersonasRouter} from "./routes/personas.js";
 import {createSettingsRouter} from "./routes/settings.js";
 import {createSystemRouter} from "./routes/system.js";
+import {createAttachmentService} from "./services/attachmentService.js";
+import {createUploadsRouter} from "./routes/uploads.js";
 
 export function createCloseHandler(resources) {
     let closed = false;
@@ -245,13 +247,15 @@ export function createApp(options = {}) {
     const db = createDatabase(config);
     const repositories = createRepositories(db, config);
     const modelService = options.modelService || createModelService(config, options.modelOverrides);
-    const chatService = createChatService(repositories, modelService, config);
+    const attachmentService = createAttachmentService(db, config, modelService);
+    const chatService = createChatService(repositories, modelService, config, undefined, attachmentService);
     const FileStore = FileStoreFactory(session);
     const authRateLimiters = createAuthRateLimiters(config);
     const chatRateLimiters = createChatRateLimiters(config);
     closeHandlers.push(
         ...authRateLimiters.map((limiter) => limiter.close),
         ...chatRateLimiters.map((limiter) => limiter.close),
+        () => attachmentService.close(),
         () => db.close()
     );
 
@@ -271,11 +275,16 @@ export function createApp(options = {}) {
     }));
     app.use(sameOriginProtection(config));
     app.use(enforceSessionVersion(repositories));
+    app.use((req, res, next) => {
+        if (["DELETE", "POST"].includes(req.method)) res.on("finish", () => { void attachmentService.cleanup(); });
+        next();
+    });
 
     app.locals.config = config;
     app.locals.db = db;
     app.locals.repositories = repositories;
     app.locals.modelService = modelService;
+    app.locals.attachmentService = attachmentService;
     app.locals.observability = observability;
     app.locals.close = createCloseHandler(closeHandlers);
 
@@ -290,6 +299,7 @@ export function createApp(options = {}) {
         fallthrough: config.staticFallthrough
     }));
     app.use(createAuthRouter({repositories, authRateLimiters, config}));
+    app.use(createUploadsRouter(attachmentService, config));
     app.use(createSettingsRouter({repositories}));
     app.use(createChatsRouter({repositories, chatService, modelService, config, chatRateLimiters}));
     app.use(createPersonasRouter({repositories, chatService, modelService, config}));