docs: rephrase the vale warnings that have a better wording

Words the alex and Microsoft styles flag where a plainer one reads as well:
disabled/special/invalid as a state, primitive, trap, hang, several, click,
first-person FAQ questions, hyphenated adverb pairs. Left as they are: Let's
Encrypt, quoted UI labels and phrases, the generated forge CLI reference, and
the middle-click gesture.

docs/agent-lifecycle/agent-roster.md

@@ -66,7 +66,7 @@ system-level facts live.
   degrades safely to "no agents" (covers a fresh install that hasn't
   synced yet).
 - **Reconcile** — runs alongside the periodic meta/flake regeneration.
-  Adds newly-spawned agents, drops removed ones. Reconcile keeps agents
+  Adds newly spawned agents, drops removed ones. Reconcile keeps agents
   whose config repo exists but that haven't spawned yet, so the gap until
   the container appears doesn't churn the file.
 
@@ -118,7 +118,7 @@ state dirs work as for every other agent.
   permissions alone, the same mechanism for every agent
   ([`docs/turn-loop/mcp.md`](../turn-loop/mcp.md)). Ruth's permissions
   are the default plus `manage_root_agent`, stored for her like any grant.
-- **State dirs** — _not_ special-cased: `HYPERHIVE_STATE_DIR` is
+- **State dirs** — _not_ treated as an exception: `HYPERHIVE_STATE_DIR` is
 injected uniformly via `systemd.globalEnvironment` for every
 container including the manager, so all token/state paths resolve
 through it the same way everywhere.