feat(cmdb): seed tooling — inventory→CSV converter + 87-CI seed v0 [#705]

P0 of the CMDB/change-control plan (design: Discourse t/319). Regenerates
the GLPI seed dataset from the #307 inventory raw; re-runnable whenever
#307 changes. AGENTS.md: cmdb/ layout entry + Key Scripts row.

Meat + plan: https://projects.knownelement.com/issues/705#note-4004

AGENTS.md

@@ -363,6 +363,7 @@ oam/                OAM platform tooling (oxidized, unpoller, smokeping, netdisc
                     librenms-agent: check_mk agent + snmp-extend scripts ported from KNELServerBuild [#474])
 proxmox/            Proxmox fleet docs (hardware audit, capacity, storage) + perf tuning (perf/)
 awx/                Ansible AWX deployment (k3s + AWX Operator)
+cmdb/               GLPI/CMDB seed tooling (inventory→CSV converter; design: Discourse t/319, #705)
 tests/              Test suite + VM validation harness + remote.sh SSH chokepoint
 scripts/            Framework: git hooks, rule engine (check-rules.sh), shared lib
 docs/               Server-build docs, docmap index, and archive
@@ -612,6 +613,7 @@ live in the centralized store at `~/.creds/discourse.env`.
 | [`netinfra/dns-cluster-setup/remote-dns.sh`](netinfra/dns-cluster-setup/remote-dns.sh) | SSH chokepoint for DNS infra hosts (netinfra-01/02, netboot) |
 | [`netinfra/dns/technitium/zone-snapshot.sh`](netinfra/dns/technitium/zone-snapshot.sh) | Refresh git SoR Technitium zone snapshots from the primary — **required after every DNS change** |
 | [`netinfra/dns/drift-check.sh`](netinfra/dns/drift-check.sh) | Live-vs-git drift audit for DHCP/DNS/NTP/zones — must be green before any DNS-adjacent push |
+| [`cmdb/seed/from-inventory.sh`](cmdb/seed/from-inventory.sh) | Regenerate the CMDB seed CSV from the Discourse #307 inventory raw (re-run when #307 changes) |
 | `redmine-cli` container | Redmine CLI (ticket read/write via `docker run`; see `tooling-cli/redmine/`) |
 | `discourse-cli` container | Discourse CLI (wiki topic read/write via `docker run`; see `tooling-cli/discourse/`) |
 | `dns-cli` container | Technitium DNS CLI (zones, list, add, delete, search, flush; see `tooling-cli/dns/`) |