feat: add slides generation tool with multiple slide types

- Add slides.tool.ts with support for title, bullets, chart, stats, table, cards, timeline, quote, comparison, equation, image, summary slide types
- Chart types: bar, horizontal-bar, line, donut, radar
- Integrate with agent executor and canvas system
- Add multilingual support (en/fr)
- Various UI improvements and bug fixes

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

memento-note/hooks/use-brainstorm.ts

@@ -335,3 +335,62 @@ export function useBrainstormSnapshots(sessionId: string | null) {
     enabled: !!sessionId,
   })
 }
+
+export function useStarIdea(sessionId: string) {
+  const queryClient = useQueryClient()
+
+  return useMutation({
+    mutationFn: async (ideaId: string) => {
+      const res = await fetch(`/api/brainstorm/${sessionId}/star`, {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        credentials: 'include',
+        body: JSON.stringify({ ideaId }),
+      })
+      const data = await res.json()
+      if (!data.success) throw new Error(data.error || 'Failed to star idea')
+      return data.data as { ideaId: string; isStarred: boolean }
+    },
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: queryKeys.brainstormSession(sessionId) })
+    },
+  })
+}
+
+export function useSummarizeBrainstorm(sessionId: string) {
+  return useMutation({
+    mutationFn: async (locale?: string): Promise<string> => {
+      const res = await fetch(`/api/brainstorm/${sessionId}/summarize`, {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        credentials: 'include',
+        body: JSON.stringify({ locale }),
+      })
+      const data = await res.json()
+      if (!data.success) throw new Error(data.error || 'Failed to summarize')
+      return data.data.summary as string
+    },
+  })
+}
+
+export function useRenameBrainstormSession(sessionId: string) {
+  const queryClient = useQueryClient()
+
+  return useMutation({
+    mutationFn: async (seedIdea: string) => {
+      const res = await fetch(`/api/brainstorm/${sessionId}`, {
+        method: 'PATCH',
+        headers: { 'Content-Type': 'application/json' },
+        credentials: 'include',
+        body: JSON.stringify({ seedIdea }),
+      })
+      const data = await res.json()
+      if (!data.success) throw new Error(data.error || 'Failed to rename session')
+      return data.data
+    },
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: queryKeys.brainstormSession(sessionId) })
+      queryClient.invalidateQueries({ queryKey: queryKeys.brainstormSessions() })
+    },
+  })
+}