docs: state current behaviour, drop remaining change-log wording

Refs #3902

docs/tools/forge.md

@@ -26,8 +26,8 @@ markdown-docs > docs/tools/forge-cli.md`.
 **Kind-namespaced commands (preferred):** hive-forge groups issue/PR operations
 under `issue` and `pr` parent commands — `hive-forge pr close 42`,
 `hive-forge issue create --title …`, `hive-forge pr status 42`. The
-`pr <verb>` / `issue <verb>` forms validate the number's kind (for example `pr close`
-refuses an issue number, which the old generic `close` couldn't). Run
+`pr <verb>` / `issue <verb>` forms validate the number's kind (for example, `pr close`
+refuses an issue number). Run
 `hive-forge pr --help` / `hive-forge issue --help` for the full subcommand
 list (show/create/edit/status/merge/reviews/commits/diff/view/comment/
 comments/close/reopen/labels/assign/dependency/reaction/timeline as applicable).

docs/tools/subagent.md

@@ -11,8 +11,7 @@ Shipped default-on for every agent — `nix/agent-modules/mcp.nix` injects
 `subagent` into `services.hyperhive.agent.extraMcpServers` via `lib.mkDefault`
 (`allowedTools = ["*"]`), same as `bash`. Default-on rather than
 unconditional: an `agent.nix` can override or drop the entry, which is
-what `mkDefault` is there for. The operator's own framing: default-on for
-now, a real opt-in capability later.
+what `mkDefault` is there for.
 
 For what the tools do and when an agent should reach for them, see the
 `subagent` MCP server's own tool descriptions and the
@@ -237,8 +236,8 @@ that works answers about as fast as it did before. A five-second cap
 bounds the one case neither covers: a child that neither speaks nor
 exits, reported as started, with the end-of-turn todo left to say how it
 goes. That todo still carries every failure that happens later in the
-turn, exactly as before; the only one it no longer repeats is the miss
-`continue` has just handed the caller directly.
+turn; it doesn't repeat the miss `continue` already handed the caller
+directly.
 
 ## A killed turn