Enhance upload handling: add db-backed upload rate limiting and lease management, enforce stricter validation for deployment configurations, optimize test suite and retired functionality, and improve input handling and error recovery.

public/js/api.js

@@ -9,7 +9,16 @@ export class ApiError extends Error {
     toJSON() { return {...this.details, error: this.message, status: this.status, code: this.code, requestId: this.requestId}; }
 }
 function requestScope({signal, timeoutMs = 30000} = {}) { const controller = new AbortController(); const abort = () => controller.abort(new ApiError("Request cancelled.", {code: "ABORTED"})); if (signal?.aborted) abort(); else signal?.addEventListener("abort", abort, {once: true}); const timer = timeoutMs > 0 ? setTimeout(() => controller.abort(new ApiError("Request timed out. Please try again.", {code: "TIMEOUT"})), timeoutMs) : null; return {signal: controller.signal, close() { clearTimeout(timer); signal?.removeEventListener("abort", abort); }}; }
-function abortable(operation, signal) { if (signal.aborted) return Promise.reject(signal.reason); return new Promise((resolve, reject) => { const abort = () => { signal.removeEventListener("abort", abort); reject(signal.reason); }; signal.addEventListener("abort", abort, {once: true}); Promise.resolve().then(operation).then(resolve, reject).finally(() => signal.removeEventListener("abort", abort)); }); }
+function abortable(operation, signal) {
+    if (signal.aborted) return Promise.reject(signal.reason);
+    return new Promise((resolve, reject) => {
+        const abort = () => { signal.removeEventListener("abort", abort); reject(signal.reason); };
+        signal.addEventListener("abort", abort, {once: true});
+        let result;
+        try { result = operation(); } catch (error) { reject(error); return; }
+        Promise.resolve(result).then(resolve, reject).finally(() => signal.removeEventListener("abort", abort));
+    });
+}
 function responseError(response, payload = {}, fallback = "", code = "") { const details = payload && typeof payload === "object" ? payload : {}; const error = details.error; return new ApiError(typeof error === "string" ? error : error?.message || fallback || `HTTP ${response.status} ${response.statusText}`.trim(), {...details, status: response.ok && Number.isInteger(details.status) && details.status >= 400 ? details.status : response.status, code: details.code || error?.code || code || `HTTP_${response.status}`, requestId: details.requestId || response.headers.get("X-Request-ID") || null}); }
 async function readResponseText(response, signal) {
     let textPromise = responseTextCache.get(response);

public/js/composerController.js

@@ -179,7 +179,10 @@ export function createComposerController({
                     else state.chatDrafts.delete(chatId);
                     const currentAttachments = attachmentComposer.attachments;
                     if (currentAttachments.length === attachments.length && currentAttachments.every((item, index) => item.id === attachments[index].id)) attachmentComposer.clear();
-                } else clearSentDraft();
+                } else {
+                    state.chatDrafts.delete(chatId);
+                    clearSentDraft();
+                }
                 if (!followOutput && visible()) requestAnimationFrame(() => {
                     if (visible()) messagesDiv.scrollTop = previousScrollTop;
                 });
@@ -194,8 +197,18 @@ export function createComposerController({
             const messageText = signal.aborted ? "Generation stopped." : error?.message || "Unable to send message.";
             if (visible() && completedReply === null) announceResponseStatus(messageText);
             if (completedReply !== null) {
+                if (visible() && !msgInput.value.trim()) {
+                    msgInput.value = message;
+                    state.chatDrafts.set(chatId ?? "new", message);
+                    resizeComposerInput();
+                }
                 setNotice(`Reply sent, but the conversation could not be refreshed: ${messageText}`, "error");
             } else {
+                if (signal.aborted && chatId == null && !msgInput.value.trim()) {
+                    msgInput.value = message;
+                    state.chatDrafts.set("new", message);
+                    resizeComposerInput();
+                }
                 if (visible()) {
                     if (!msgInput.value.trim()) {
                         msgInput.value = message;

public/js/conversationController.js

@@ -56,14 +56,14 @@ export function createConversationController({
         }
         try {
             const historyUrl = `/chats/${id}/messages${matchMessageId ? `?around=${matchMessageId}` : ""}`;
-            let res = await get(historyUrl);
+            let res = await get(historyUrl, {retries: 0});
             if (openRequest !== state.chatOpenRequest) return;
             if (res.error) return failed(res);
             if (matchMessageId && !res.messages?.some(message => message.id === matchMessageId)) {
                 const activated = await post(`/chats/${id}/branches/${matchMessageId}/activate`, {includeDescendants: true});
                 if (openRequest !== state.chatOpenRequest) return;
                 if (activated.error) return failed(activated);
-                res = await get(historyUrl);
+                res = await get(historyUrl, {retries: 0});
                 if (openRequest !== state.chatOpenRequest) return;
                 if (res.error) return failed(res);
             }
@@ -123,7 +123,7 @@ export function createConversationController({
         state.historyLoading = true;
         updateHistoryControls();
         try {
-            const result = await get(`/chats/${chatId}/messages?before=${page.before}&leaf=${page.leafId}`);
+            const result = await get(`/chats/${chatId}/messages?before=${page.before}&leaf=${page.leafId}`, {retries: 0});
             if (chatId !== state.activeChatId || requestId !== state.chatOpenRequest) return;
             if (result.error) { setNotice(result.error, "error"); return result; }
             const oldHeight = messagesDiv.scrollHeight, oldTop = messagesDiv.scrollTop;