fix(04): revise plans based on checker feedback

.planning/phases/04-ux-improvements/04-03-PLAN.md

@@ -26,7 +26,7 @@ must_haves:
   truths:
     - "User can dismiss all pending updates with a Dismiss All button in the header area"
     - "User can dismiss all pending updates within a tag group via a per-section button"
-    - "Dismiss All requires a two-click confirmation before executing"
+    - "Dismiss All requires an inline two-click confirmation before executing (matching tag delete UX pattern)"
     - "A pending-count badge is always visible in the Header"
     - "The browser tab title shows 'DiunDash (N)' when N > 0 and 'DiunDash' when 0"
     - "A toast notification appears when new updates arrive during polling"
@@ -36,7 +36,7 @@ must_haves:
       provides: "acknowledgeAll, acknowledgeByTag callbacks; newArrivals state; tab title effect"
       contains: "acknowledgeAll"
     - path: "frontend/src/components/Header.tsx"
-      provides: "Pending badge, dismiss-all button with confirm"
+      provides: "Pending badge, dismiss-all button with inline two-click confirm"
       contains: "pendingCount"
     - path: "frontend/src/components/TagSection.tsx"
       provides: "Per-group dismiss button"
@@ -229,7 +229,7 @@ From frontend/src/App.tsx (after Plan 02):
        ```
   </action>
   <verify>
-    <automated>cd /home/jean-luc-makiola/Development/projects/DiunDashboard/frontend && npx tsc --noEmit</automated>
+    <automated>cd /home/jean-luc-makiola/Development/projects/DiunDashboard/frontend && bunx tsc --noEmit</automated>
   </verify>
   <acceptance_criteria>
     - useUpdates.ts contains `const acknowledgeAll = useCallback`
@@ -240,7 +240,7 @@ From frontend/src/App.tsx (after Plan 02):
     - useUpdates.ts contains `const [newArrivals, setNewArrivals] = useState<string[]>`
     - useUpdates.ts contains `clearNewArrivals` in the return object
     - useUpdates.ts return object includes `acknowledgeAll` and `acknowledgeByTag`
-    - `npx tsc --noEmit` exits 0
+    - `bunx tsc --noEmit` exits 0
   </acceptance_criteria>
   <done>useUpdates hook returns acknowledgeAll, acknowledgeByTag, newArrivals, and clearNewArrivals; toast detection fires on new images during polling</done>
 </task>
@@ -288,7 +288,7 @@ From frontend/src/App.tsx (after Plan 02):
        }
        ```
 
-    2. **Header.tsx** (per D-03, D-04, D-09): Extend HeaderProps and add pending badge + dismiss-all button.
+    2. **Header.tsx** (per D-03, D-04, D-09): Extend HeaderProps and add pending badge + dismiss-all button with inline two-click confirm pattern (per D-04, matching existing tag delete UX -- no modal needed).
        Update the interface:
        ```typescript
        interface HeaderProps {
@@ -306,7 +306,7 @@ From frontend/src/App.tsx (after Plan 02):
          </Badge>
        )}
        ```
-       Add dismiss-all button with two-click confirm pattern (per D-04, matching existing tag delete pattern in TagSection). Add local state `const [confirmDismissAll, setConfirmDismissAll] = useState(false)`. The button:
+       Add dismiss-all button with inline two-click confirm pattern (per D-04). Add local state `const [confirmDismissAll, setConfirmDismissAll] = useState(false)`. The button:
        ```tsx
        {pendingCount > 0 && (
          <Button
@@ -342,7 +342,7 @@ From frontend/src/App.tsx (after Plan 02):
          onAcknowledgeGroup?: (tagId: number) => void
        }
        ```
-       Add a "Dismiss Group" button in the section header, next to the delete button, only when `tag !== null` and `onAcknowledgeGroup` is provided and at least one row is unacknowledged. Use two-click confirm pattern:
+       Add a "Dismiss Group" button in the section header, next to the delete button, only when `tag !== null` and `onAcknowledgeGroup` is provided and at least one row is unacknowledged. Use inline two-click confirm pattern (per D-04):
        ```typescript
        const [confirmDismissGroup, setConfirmDismissGroup] = useState(false)
        const hasPending = rows.some(r => !r.entry.acknowledged)
@@ -499,7 +499,7 @@ From frontend/src/App.tsx (after Plan 02):
        ```
   </action>
   <verify>
-    <automated>cd /home/jean-luc-makiola/Development/projects/DiunDashboard/frontend && npx tsc --noEmit && bun run build</automated>
+    <automated>cd /home/jean-luc-makiola/Development/projects/DiunDashboard/frontend && bunx tsc --noEmit && bun run build</automated>
   </verify>
   <acceptance_criteria>
     - Toast.tsx exists and exports `Toast` component
@@ -524,7 +524,7 @@ From frontend/src/App.tsx (after Plan 02):
     - TagSection.tsx TagSectionRow interface contains `isNew`
     - `bun run build` exits 0
   </acceptance_criteria>
-  <done>Bulk dismiss buttons work (dismiss-all in header with two-click confirm, dismiss-group in each tag section); pending badge shows in header; tab title reflects count; toast appears for new arrivals; new-since-last-visit items have amber left border highlight</done>
+  <done>Bulk dismiss buttons work (dismiss-all in header with inline two-click confirm, dismiss-group in each tag section with inline two-click confirm); pending badge shows in header; tab title reflects count; toast appears for new arrivals; new-since-last-visit items have amber left border highlight</done>
 </task>
 
 </tasks>
@@ -532,7 +532,7 @@ From frontend/src/App.tsx (after Plan 02):
 <verification>
 ```bash
 cd /home/jean-luc-makiola/Development/projects/DiunDashboard/frontend
-npx tsc --noEmit
+bunx tsc --noEmit
 bun run build
 # Full stack verification:
 cd /home/jean-luc-makiola/Development/projects/DiunDashboard
@@ -544,7 +544,7 @@ go build ./...
 <success_criteria>
 - Dismiss All button in header triggers POST /api/updates/acknowledge-all
 - Per-group Dismiss Group button triggers POST /api/updates/acknowledge-by-tag with correct tag_id
-- Both dismiss buttons use two-click confirmation
+- Both dismiss buttons use inline two-click confirmation (matching tag delete UX pattern)
 - Pending count badge visible in header when > 0
 - Browser tab title shows "DiunDash (N)" or "DiunDash"
 - Toast appears at bottom-right when polling detects new images