feat: translate additional AgenticReadinessTab sections

- Add roadmapConnection translation namespace (20+ keys)
- Translate Quick Wins section (IMMEDIATE QUICK WINS)
- Translate Wave 1-3 Foundation section
- Translate "Click on reason to see affected queues" footer
- Update RoadmapConnectionSection to use i18n keys
- All calculations, metrics, and descriptions now bilingual

https://claude.ai/code/session_01GNbnkFoESkRcnPr3bLCYDg

frontend/locales/en.json

@@ -1103,6 +1103,26 @@
       "viewRoadmapTab": "View Roadmap tab for detailed plan",
       "viewRoadmapLink": "View Roadmap tab for detailed plan →"
     },
+    "roadmapConnection": {
+      "quickWinsTitle": "IMMEDIATE QUICK WINS (without Wave 1)",
+      "automateQueues": "{{count}} AUTOMATE queues",
+      "with": "with",
+      "interactionsPerMonth": "interactions/month",
+      "savingsPotential": "Savings potential:",
+      "perYear": "/year",
+      "containment": "containment",
+      "perInt": "/int",
+      "skills": "Skills:",
+      "alignedWithWave4": "→ Aligned with Roadmap Wave 4. Can be implemented in parallel to Wave 1.",
+      "wave13Title": "WAVE 1-3: FOUNDATION → ASSIST ({{count}} queues)",
+      "inTierAssist": "in tier ASSIST",
+      "focusWave1": "Wave 1 Focus:",
+      "reduceTransferIn": "Reduce transfer in",
+      "potentialWithCopilot": "Potential with Copilot:",
+      "deflection": "deflection",
+      "requiresWave1": "→ Requires Wave 1 (Foundation) to enable Copilot in Wave 3",
+      "calculationNote": "Calculation: {{volume}} int × 12 months × {{rate}}% {{type}} × €{{cpi}}/int"
+    },
     "factorsExtended": {
       "volumeMethodology": "Score = normalized log10(Volume). >5000 → 10, <100 → 2",
       "volumeBenchmark": "Positive ROI requires >500/month",