feat(zendesk): new Zendesk ticketing integration

Zendesk Support API v2, 7 commands: create/get/update/search tickets, add
comment (public/internal), list users. API-token (Basic) auth, stdlib-only.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

integrations/zendesk/scripts/list_users.py

@@ -0,0 +1,53 @@
+import json, os, sys, base64, urllib.parse, urllib.request, urllib.error
+
+
+def _cfg():
+    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
+
+
+def _inputs():
+    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
+
+
+def _base(cfg):
+    return "https://" + str(cfg.get("subdomain", "")) + ".zendesk.com/api/v2"
+
+
+def _auth(cfg):
+    raw = str(cfg.get("email", "")) + "/token:" + str(cfg.get("api_token", ""))
+    return "Basic " + base64.b64encode(raw.encode("utf-8")).decode("utf-8")
+
+
+def request(method, path, cfg, body=None, params=None):
+    url = _base(cfg) + path
+    if params:
+        clean = {k: v for k, v in params.items() if v not in (None, "")}
+        if clean:
+            url += "?" + urllib.parse.urlencode(clean)
+    data = json.dumps(body).encode("utf-8") if body is not None else None
+    headers = {"Authorization": _auth(cfg), "Accept": "application/json"}
+    if data is not None:
+        headers["Content-Type"] = "application/json"
+    req = urllib.request.Request(url, data=data, headers=headers, method=method)
+    with urllib.request.urlopen(req, timeout=60) as r:
+        raw = r.read()
+        return json.loads(raw) if raw else {}
+
+
+def _run(fn):
+    try:
+        print(json.dumps(fn(_cfg(), _inputs())))
+    except urllib.error.HTTPError as e:
+        print(json.dumps({"error": "HTTP " + str(e.code), "detail": e.read().decode("utf-8", "replace")}))
+        sys.exit(1)
+    except Exception as e:
+        print(json.dumps({"error": str(e)}))
+        sys.exit(1)
+
+
+def main(cfg, inputs):
+    role = inputs.get("role")
+    return request("GET", "/users.json", cfg, params={"role": role})
+
+
+_run(main)