fix(v2): fix cache is_fallback bug, wire observability + data quality, drop debug webhook, fix GLPI URL

- Real bug found by code review while implementing this cycle: "Code -
  Reusar Classificacao em Cache" always hardcoded is_fallback: false when
  reconstructing a classification from memory, even when the cached
  classification was itself AI_FALLBACK. On a cache hit for a previously
  fallback-classified ticket, this would have let it skip
  applyFallbackPolicy's exclusion entirely (the policy checks
  aiClassification.is_fallback first). Fixed to derive is_fallback from
  the cached ai_classification value.
- select-top10.node.js now carries `resolucao` (ia | cache | fallback_cap)
  through to the scored item, previously dropped -- needed to tell cache
  hits apart from real AI calls in observability.
- Code - Comparar Legacy x V2 now computes the full observability summary
  (candidate_count, cache_hits/misses, ai_requested/success/errors,
  ai_fallback_count and by-reason breakdown, classification_counts,
  insufficient_context_count, actionable_real_count,
  critical_override_count, top10_count, blocked_count,
  coordination_count) and the data-quality review (buildDataQualityReview
  over INSUFFICIENT_CONTEXT tickets), both stored in the shadow_runs
  `summary` JSON column -- no new Data Table needed.
- Removed the debug webhook entirely (Debug - Ver Painel, Data Table -
  Buscar Shadow Runs Recentes debug branch, Code - Montar Painel Debug,
  Debug - Responder) and the now-unused debug-panel.node.js driver.
  Workflow went from 37 to 33 nodes. Debugging goes through n8n execution
  data, the Data Tables, and the shadow diff instead, as requested.
- Fixed glpi_base_url: was still V1's own placeholder
  (https://glpi.suaempresa.com.br, never a real value, not report
  anonymization) -- confirmed the real domain (https://glpi.gtigrupo.com.br)
  from the live, active GLPI x WhatsApp workflow's own GLPI API config in
  the same n8n instance. SQL still only ever receives it through
  {GLPI_BASE_URL} substitution from the Config node, never hardcoded.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

n8n/workflow.template.json

@@ -32,7 +32,7 @@
       "parameters": {
         "assignments": {
           "assignments": [
-            { "id": "glpi-base-url-v2", "name": "glpi_base_url", "type": "string", "value": "https://glpi.suaempresa.com.br" },
+            { "id": "glpi-base-url-v2", "name": "glpi_base_url", "type": "string", "value": "https://glpi.gtigrupo.com.br" },
             { "id": "cfg-ai-enabled", "name": "AI_ENABLED", "type": "boolean", "value": true },
             { "id": "cfg-ai-provider", "name": "AI_PROVIDER", "type": "string", "value": "openai" },
             { "id": "cfg-ai-model", "name": "AI_MODEL", "type": "string", "value": "gpt-4o-mini" },
@@ -400,49 +400,6 @@
           }
         }
       }
-    },
-    {
-      "id": "debug-ver-painel",
-      "name": "Debug - Ver Painel",
-      "type": "n8n-nodes-base.webhook",
-      "typeVersion": 2.1,
-      "position": [-1600, 1200],
-      "parameters": {
-        "httpMethod": "GET",
-        "path": "coordenador-glpi-v2-debug",
-        "responseMode": "responseNode",
-        "options": {}
-      }
-    },
-    {
-      "id": "datatable-buscar-shadow-runs-recentes",
-      "name": "Data Table - Buscar Shadow Runs Recentes",
-      "type": "n8n-nodes-base.dataTable",
-      "typeVersion": 1.1,
-      "position": [-1360, 1200],
-      "parameters": {
-        "resource": "row",
-        "operation": "get",
-        "dataTableId": { "mode": "name", "value": "coordenador_glpi_shadow_runs" },
-        "filters": { "conditions": [] },
-        "returnAll": true
-      }
-    },
-    {
-      "id": "code-montar-painel-debug",
-      "name": "Code - Montar Painel Debug",
-      "type": "n8n-nodes-base.code",
-      "typeVersion": 2,
-      "position": [-1120, 1200],
-      "parameters": { "jsCode": "__BUILD__:debug-panel.node.js" }
-    },
-    {
-      "id": "debug-responder",
-      "name": "Debug - Responder",
-      "type": "n8n-nodes-base.respondToWebhook",
-      "typeVersion": 1.5,
-      "position": [-880, 1200],
-      "parameters": { "respondWith": "json", "responseBody": "={{ $json }}", "options": {} }
     }
   ],
   "connections": {
@@ -551,15 +508,6 @@
     },
     "Code - Comparar Legacy x V2": {
       "main": [[{ "node": "Data Table - Registrar Shadow Run", "type": "main", "index": 0 }]]
-    },
-    "Debug - Ver Painel": {
-      "main": [[{ "node": "Data Table - Buscar Shadow Runs Recentes", "type": "main", "index": 0 }]]
-    },
-    "Data Table - Buscar Shadow Runs Recentes": {
-      "main": [[{ "node": "Code - Montar Painel Debug", "type": "main", "index": 0 }]]
-    },
-    "Code - Montar Painel Debug": {
-      "main": [[{ "node": "Debug - Responder", "type": "main", "index": 0 }]]
     }
   },
   "pinData": {},