Hold a decision record to the words rules only from 2026-10-11 (review of #206)

hq's words check never read a decision record, so a correction to any decision
of October 7 to 10 was refused for words it was allowed to write. The links an
accepted record holds are kept by its correction without being judged again.

modules/mesh-knowledge/README.md

@@ -73,14 +73,15 @@ record it goes out from.
      progressive insight in the dated, marked form.
 
    A rule holds a record from the day hq's checks began to hold it (`RuleFrom` in `rules.go`):
-   - retired words from 2026-10-07;
-   - daemons' lines and deferrals from 2026-10-09;
+   - retired words from 2026-10-07 and daemons' lines from 2026-10-09 for a research effort; for a decision record
+     both from 2026-10-11, since hq's words check never read a decision record;
+   - deferrals from 2026-10-09;
    - the clauses from 2026-10-11;
    - the decision record's sections and the live-citation rule, which no hq check held on a decision record,
      from 2026-10-11, the day the knowledge base takes the write.
 
    A progressive insight keeps its record's date, so a correction to an older record is not refused by a rule
-   that never held it. A new record is dated no earlier than the day its number was reserved.
+   that never held it, and it keeps the links the accepted record holds. A new record is dated no earlier than the day its number was reserved.
 3. Revise it by proposing again; every version is kept.
 4. A `review` by someone else either approves it or asks for changes. On approve the record and its clauses are
    accepted and in force. Every clause it changes moves to `changed`, and every record it supersedes moves to