feat: translate final remaining Spanish text in AgenticReadinessTab

- Translate Quick Wins insights ("have >60% volume in T1+T2")
- Translate attention alerts ("has X% in HUMAN → prioritize in Wave 1")
- Translate balanced distribution message
- Translate "have at least one tier AUTOMATE queue"
- Translate "Show less" / "View all" buttons
- Add t parameter to SkillsReadinessTable component
- All AgenticReadinessTab text now 100% bilingual (en/es)

https://claude.ai/code/session_01GNbnkFoESkRcnPr3bLCYDg

frontend/locales/en.json

@@ -1121,7 +1121,14 @@
       "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"
+      "calculationNote": "Calculation: {{volume}} int × 12 months × {{rate}}% {{type}} × €{{cpi}}/int",
+      "quickWinsHaveVolume": "have >60% volume in T1+T2",
+      "hasPercentInHuman": "has {{pct}}% in HUMAN",
+      "prioritizeInWave1": "→ prioritize in Wave 1",
+      "balancedDistribution": "Balanced distribution across tiers. Review individual queues for prioritization.",
+      "haveAtLeastOne": "have at least one tier AUTOMATE queue",
+      "showLess": "Show less",
+      "viewAll": "View all ({{count}})"
     },
     "factorsExtended": {
       "volumeMethodology": "Score = normalized log10(Volume). >5000 → 10, <100 → 2",