docs: three anchors that were already broken point at their headings

The swarm UI reference links the try-out section by its heading, and drops a
pointer to a hivectl section that never existed along with the sentence that
claimed hivectl sets the hive's limits. The turn-loop index links the
persistence reference's /harness/paused heading by its real slug.

docs/4-implementation/turn-loop/README.md

@@ -27,7 +27,7 @@ agents) runs:
    queued and unacked, so a resume drains the backlog instead of
    losing it; reminders and todo wakes buffer in their channels. Set
    it with `hivectl agent <name> pause` or the dashboard toggle; see
-   [persistence](../../4-implementation/agent-state/persistence.md#-harnesspaused-per-agent).
+   [persistence](../../4-implementation/agent-state/persistence.md#harnesspaused-per-agent).
 1. Long-poll `Recv` on its socket. The host-side broker
    (`broker.rs::recv_blocking_batch`) returns immediately if there's
    a pending message, otherwise waits up to 30 s for a broker `Sent`

docs/4-implementation/web-ui/swarm-ui.md

@@ -226,7 +226,7 @@ run, newest first, one card per run. A card shows the repo and PR, the head
 commit, whether the run was a try-out or a requested review, how long ago it
 started, how long it took, how many classifications ran, and the outcome as a
 badge. Select a card to open it: it shows the same result table as the
-[try-out](#review-try-out), the overall verdict, the reason when the outcome
+[try-out](#try-a-classification), the overall verdict, the reason when the outcome
 has one, and a link to the posted review when there is one. While the first
 answer loads, the section shows three grey placeholder cards.
 
@@ -742,8 +742,7 @@ A saved change isn't instant. The hive reads the caps about every 30 seconds,
 and a running agent takes a changed cap at its next spawn or rebuild, so the
 row shows the new value before the agent runs under it. The card reads
 `GET /api/agents/{agent}/limits`; when that read fails, the card shows the
-reason and a **retry** button. [hivectl](../../2-handbook/hives/hivectl.md#per-agent-resource-limits)
-sets the hive's own limits.
+reason and a **retry** button.
 
 ### Permissions