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    "title": "Telegram Channel Scraper & Monitor – Change Feed",
    "description": "Scrape public Telegram channel messages and get a change feed run over run: only new messages, edits, deletions and view-count moves versus last time, plus subscriber counts. No Telegram login, no phone number, no API ID — reads the public t.me/s preview.",
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          "channels"
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            "title": "Channels",
            "maxItems": 1000,
            "type": "array",
            "description": "Public Telegram channels to watch: usernames (durov), @durov, t.me/durov, or https://t.me/s/durov. Public channels only; private ones and non-existent names are reported as not_found. Up to 1,000 per run.",
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          },
          "maxMessagesPerChannel": {
            "title": "Max messages per channel",
            "minimum": 1,
            "maximum": 2000,
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            "description": "How many of the most recent messages to read per channel (1 to 2,000). The first run fetches up to this many; later runs only fetch what is new plus the newest page for view-count re-checks.",
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          },
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            "title": "Include unchanged messages",
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          },
          "snapshotKey": {
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            "description": "Name of the saved state used to compute changes between runs. Leave empty to derive it from the sorted channel list, so the same list always compares against its own last run. Set it explicitly to keep history when you edit the list."
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          "webhookUrl": {
            "title": "Webhook URL",
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