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/locales/en.json

@@ -533,13 +533,20 @@
       "slides": "Generate Slides",
       "sectionLabel": "Generation Tools",
       "theme": "Theme",
-      "themeArchitecturalMono": "Architectural Mono",
+      "themeAuto": "Automatic (AI picks)",
+        "themeArchitecturalMono": "Architectural Mono",
       "themeVibrantTech": "Vibrant Tech",
       "themeMinimalSilk": "Minimal Silk",
       "style": "Style",
       "styleProfessional": "Professional",
       "styleCreative": "Creative",
       "styleBrutalist": "Brutalist",
+      "template": "Template",
+      "templateAuto": "Auto (AI decides)",
+      "templateBoard": "Board Update",
+      "templateProject": "Project Status",
+      "templateStrategy": "Strategy Review",
+      "templateQuarterly": "Quarterly Results",
       "diagram": "Generate Diagram",
       "diagramReadyHint": "Convert note into visual flow",
       "diagramType": "Diagram Type",
@@ -631,6 +638,7 @@
     "errorShort": "Error",
     "readyToast": "Ready!",
     "downloadFailedToast": "Download failed",
+    "viewSlidesButton": "View Presentation",
     "pptxDownloadButton": "Download .pptx",
     "presentationReadyBadge": "Presentation ready",
     "openInLabTitle": "Open in Lab",
@@ -2297,7 +2305,22 @@
     "exportDefaultNoteTitle": "Synthesis",
     "exportOpening": "Opening…",
     "ownerBadge": "Owner",
-    "waveBadge": "Wave {wave}"
+    "waveBadge": "Wave {wave}",
+    "exampleSeed1": "Simplify my morning routine",
+    "exampleSeed2": "Ideas for a creative project this weekend",
+    "exampleSeed3": "Systems to manage my energy better",
+    "exampleSeed4": "What I learned this week",
+    "summarize": "AI Synthesis",
+    "summaryError": "Could not generate synthesis",
+    "regenerateSummary": "Regenerate",
+    "exportAsNote": "Export as note",
+    "exportModalTitle": "Session summary",
+    "viewCanvas": "Canvas",
+    "viewList": "List",
+    "ideasCount": "ideas",
+    "star": "Star idea",
+    "unstar": "Unstar idea",
+    "renameSession": "Rename session"
   },
   "byokSettings": {
     "title": "Your API keys (BYOK)",