Add log export for audit logs and SCIM events

Route audit-log and SCIM-event exports through export_jobs with typed
arguments, an iam BuildAndUploadExport/SendExportEmail implementation,
and a concurrent export-job worker with stale recovery. Stream JSONL via
page.WalkAll into S3, and expose the request flow on console, connect,
MCP, and CLI.

Co-authored-by: Bryan Frimin <bryan@getprobo.com>
Signed-off-by: Sacha Al Himdani <sacha@probo.com>

pkg/coredata/migrations/20260729T135958Z.sql

@@ -0,0 +1,22 @@
+-- Copyright (c) 2026 Probo Inc <hello@probo.com>.
+--
+-- Permission is hereby granted, free of charge, to any person obtaining a copy
+-- of this software and associated documentation files (the "Software"), to deal
+-- in the Software without restriction, including without limitation the rights
+-- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+-- copies of the Software, and to permit persons to whom the Software is
+-- furnished to do so, subject to the following conditions:
+--
+-- The above copyright notice and this permission notice shall be included in
+-- all copies or substantial portions of the Software.
+--
+-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+-- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+-- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+-- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+-- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+-- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+-- SOFTWARE.
+
+ALTER TYPE export_jobs_type ADD VALUE IF NOT EXISTS 'AUDIT_LOG';
+ALTER TYPE export_jobs_type ADD VALUE IF NOT EXISTS 'SCIM_EVENT';