feat(panels): AI Market Implications — LLM trade signals from live world state (#2146) (#2165)

* fix(intelligence): use camelCase field names for ListMarketImplicationsResponse

* fix(bootstrap): register marketImplications in cache-keys.ts and add hydration consumer

* chore: stage all market-implications feature files for proto freshness check

* feat(market-implications): add LLM routing env vars for market implications stage

* fix(market-implications): move types to services layer to fix boundary violation

* fix: add list-market-implications gateway tier entry

* fix(market-implications): add health.js entries + i18n tooltip key

- api/health.js: add marketImplications to BOOTSTRAP_KEYS
  ('intelligence:market-implications:v1') and SEED_META
  (seed-meta:intelligence:market-implications, maxStaleMin=150 = 2x
  the 75min TTL, matching gold standard)
- en.json: add components.marketImplications.infoTooltip which was
  referenced in MarketImplicationsPanel but missing from locales

* fix(market-implications): wire CMD+K entry and panels.marketImplications i18n key

- commands.ts: add panel:market-implications command with trade/signal
  keywords so the panel appears in CMD+K search
- en.json: add panels.marketImplications used by UnifiedSettings panel
  toggle display and SearchModal label resolution

docs/api/IntelligenceService.openapi.yaml

@@ -555,6 +555,32 @@ paths:
                         application/json:
                             schema:
                                 $ref: '#/components/schemas/Error'
+    /api/intelligence/v1/list-market-implications:
+        get:
+            tags:
+                - IntelligenceService
+            summary: ListMarketImplications
+            description: ListMarketImplications returns AI-generated trade-implication cards from live world state.
+            operationId: ListMarketImplications
+            responses:
+                "200":
+                    description: Successful response
+                    content:
+                        application/json:
+                            schema:
+                                $ref: '#/components/schemas/ListMarketImplicationsResponse'
+                "400":
+                    description: Validation error
+                    content:
+                        application/json:
+                            schema:
+                                $ref: '#/components/schemas/ValidationError'
+                default:
+                    description: Error response
+                    content:
+                        application/json:
+                            schema:
+                                $ref: '#/components/schemas/Error'
 components:
     schemas:
         Error:
@@ -1615,3 +1641,39 @@ components:
                     format: double
                     description: Tone or volume value at this point.
             description: GdeltTimelinePoint is a single data point in a tone or volume timeline.
+        ListMarketImplicationsRequest:
+            type: object
+        ListMarketImplicationsResponse:
+            type: object
+            properties:
+                cards:
+                    type: array
+                    items:
+                        $ref: '#/components/schemas/MarketImplicationCard'
+                degraded:
+                    type: boolean
+                emptyReason:
+                    type: string
+                generatedAt:
+                    type: string
+        MarketImplicationCard:
+            type: object
+            properties:
+                ticker:
+                    type: string
+                name:
+                    type: string
+                direction:
+                    type: string
+                timeframe:
+                    type: string
+                confidence:
+                    type: string
+                title:
+                    type: string
+                narrative:
+                    type: string
+                riskCaveat:
+                    type: string
+                driver:
+                    type: string