{
  "name": "wiki-compile-nudge",
  "nodes": [
    {
      "parameters": {
        "rule": {
          "interval": [
            { "field": "cronExpression", "expression": "7 20 * * *" }
          ]
        }
      },
      "id": "schedule-trigger",
      "name": "Daily @ 20:07",
      "type": "n8n-nodes-base.scheduleTrigger",
      "typeVersion": 1.2,
      "position": [260, 300]
    },
    {
      "parameters": {
        "operation": "executeQuery",
        "query": "WITH last AS (\n  SELECT COALESCE(max(compiled_at), 'epoch') AS ts FROM wiki.compile_runs\n),\nn AS (\n  SELECT count(*) AS c FROM wiki.artifacts WHERE created_at > (SELECT ts FROM last)\n)\nSELECT\n  (SELECT c FROM n)                                                       AS new_sources,\n  EXTRACT(day FROM now() - (SELECT ts FROM last))::int                    AS days_since,\n  (\n    (SELECT c FROM n) >= 10\n    OR (EXTRACT(day FROM now() - (SELECT ts FROM last)) >= 7 AND (SELECT c FROM n) >= 1)\n  )                                                                       AS should_notify;",
        "options": {}
      },
      "id": "postgres-drift",
      "name": "Drift query (petalbrain)",
      "type": "n8n-nodes-base.postgres",
      "typeVersion": 2.5,
      "position": [480, 300],
      "credentials": {
        "postgres": { "id": "REPLACE_WITH_PETALBRAIN_CRED_ID", "name": "Petalbrain Postgres" }
      }
    },
    {
      "parameters": {
        "conditions": {
          "options": { "caseSensitive": true, "typeValidation": "strict", "version": 2 },
          "combinator": "and",
          "conditions": [
            {
              "leftValue": "={{ $json.should_notify }}",
              "rightValue": true,
              "operator": { "type": "boolean", "operation": "true", "singleValue": true }
            }
          ]
        },
        "options": {}
      },
      "id": "if-should-notify",
      "name": "Compile due?",
      "type": "n8n-nodes-base.if",
      "typeVersion": 2,
      "position": [700, 300]
    },
    {
      "parameters": {
        "method": "POST",
        "url": "REPLACE_WITH_GOOGLE_CHAT_SPACE_WEBHOOK_URL",
        "sendBody": true,
        "specifyBody": "json",
        "jsonBody": "={\n  \"text\": \"\\ud83c\\udf3f Wiki compile due \\u2014 {{ $json.new_sources }} new sources, {{ $json.days_since }}d since last compile.\\nRun: \\\"compile the wiki at /opt/projects/wiki-vault\\\"\"\n}",
        "options": {}
      },
      "id": "google-chat-notify",
      "name": "Google Chat nudge",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [920, 220]
    }
  ],
  "connections": {
    "Daily @ 20:07": {
      "main": [[{ "node": "Drift query (petalbrain)", "type": "main", "index": 0 }]]
    },
    "Drift query (petalbrain)": {
      "main": [[{ "node": "Compile due?", "type": "main", "index": 0 }]]
    },
    "Compile due?": {
      "main": [
        [{ "node": "Google Chat nudge", "type": "main", "index": 0 }],
        []
      ]
    }
  },
  "settings": { "executionOrder": "v1" }
}