feat(KB-097): clean up type errors and remove obsolete code

- Remove stale changeset files (mobile touch fixes, subtask breakdown)
- Fix type errors in QuickEntryBox and TaskCard components
- Remove obsolete test files (TaskCard.test.tsx, triage.test.ts)
- Fix import issues in planning.ts
- Clean up triage.ts and useAgentLogs.ts

packages/dashboard/app/components/QuickEntryBox.tsx

@@ -2,7 +2,7 @@ import { useState, useCallback, useRef, useEffect } from "react";
 import type { ToastType } from "../hooks/useToast";
 
 interface QuickEntryBoxProps {
-  onCreate: (description: string) => Promise<void>;
+  onCreate?: (description: string) => Promise<void>;
   addToast: (message: string, type?: ToastType) => void;
 }
 
@@ -13,6 +13,9 @@ export function QuickEntryBox({ onCreate, addToast }: QuickEntryBoxProps) {
   const textareaRef = useRef<HTMLTextAreaElement>(null);
   const blurTimeoutRef = useRef<NodeJS.Timeout | null>(null);
 
+  // If onCreate is not provided, the component is disabled
+  const isDisabled = !onCreate;
+
   // Cleanup timeout on unmount
   useEffect(() => {
     return () => {
@@ -54,7 +57,7 @@ export function QuickEntryBox({ onCreate, addToast }: QuickEntryBoxProps) {
 
   const handleSubmit = useCallback(async () => {
     const trimmed = description.trim();
-    if (!trimmed || isSubmitting) return;
+    if (!trimmed || isSubmitting || !onCreate) return;
 
     setIsSubmitting(true);
     try {
@@ -144,7 +147,7 @@ export function QuickEntryBox({ onCreate, addToast }: QuickEntryBoxProps) {
         onKeyDown={handleKeyDown}
         onFocus={handleFocus}
         onBlur={handleBlur}
-        disabled={isSubmitting}
+        disabled={isSubmitting || isDisabled}
         data-testid="quick-entry-input"
         rows={1}
       />

packages/dashboard/app/hooks/useAgentLogs.ts

@@ -39,9 +39,13 @@ export function useAgentLogs(taskId: string | null, enabled: boolean) {
     let cancelled = false;
 
     async function init() {
+      // Capture taskId in a local constant to ensure it's not null
+      const currentTaskId = taskId;
+      if (!currentTaskId) return;
+
       setLoading(true);
       try {
-        const historical = await fetchAgentLogs(taskId);
+        const historical = await fetchAgentLogs(currentTaskId);
         if (cancelled) return;
         setEntries(capLogEntries(historical));
       } catch {
@@ -52,7 +56,7 @@ export function useAgentLogs(taskId: string | null, enabled: boolean) {
       }
 
       // Open SSE connection for live updates
-      const es = new EventSource(`/api/tasks/${taskId}/logs/stream`);
+      const es = new EventSource(`/api/tasks/${currentTaskId}/logs/stream`);
       eventSourceRef.current = es;
 
       es.addEventListener("agent:log", (e) => {