Docs: rewrap the identity lines; M6.3 names only today's directory

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01J5Utyfzw7gF7UhjRDEtjTk

docs/Development-Plan.md

@@ -47,8 +47,8 @@ Only `nisse-dev` has real code; `nisse-core` and `nisse-ops` are placeholders.
 
 ## 2. The environment today
 
-- **Supporting services** (X5): Matrix, Gitea, LiteLLM, Vaultwarden, Samba AD with
-  Authelia. The infrastructure repository exists in Gitea.
+- **Supporting services** (X5): Matrix, Gitea, LiteLLM, Vaultwarden, Samba AD
+  with Authelia. The infrastructure repository exists in Gitea.
 - **Local inference:** llama-swap on an RTX 4090 host (320 W cap). The benchmark
   (PR #55) chose `qwen3.8-27b` for local work.
 - **Models by role today:** driver and helper `claude-opus-5-5`, expert
@@ -572,7 +572,7 @@ SilverBullet so far (M5.4).
 (D7, X2), collection when idle.
 
 **M6.3 Secrets and identity.** *Pre-approved.* Per-agent secret sets on the host,
-Samba AD principal (L12; LLDAP until 2026-10-20).
+Samba AD principal (L12).
 
 **M6.4 Delivery.** *Pre-approved.* Watchtower, restarts gated on an idle flag (X4).