remove hive and agent apis nothing calls: build-log routes, /api/compact, host.sock list, mcp.sock wake

docs/4-implementation/agent-state/persistence.md

@@ -152,13 +152,12 @@ Capturing the full stream (rather than a short tail buffer) matters
 because real eval errors routinely run long — "tried alternatives"
 blocks alone are often 30+ lines — so a truncated tail would cut off
 the actual failure and leave only the host journal holding the
-complete output. With this table the dashboard can surface the entire
-log.
+complete output. This table holds the entire log; no HTTP route serves
+it.
 
 Three indices:
 
-- `(agent, started_at)` — backs the per-agent latest-N lookup used
-  by the agent card chip.
+- `(agent, started_at)` — per-agent lookup by recency.
 - `(status, finished_at)` — backs the retention sweep that runs
   as part of the existing hourly vacuum.
 - `(node_id)` — added by a later migration so a build log row can be