docs(job-array-one-based-index): feature validation round 1 follow-ups

bug-1903 partial (page-token precision fixed in efff6b65), bug-1907
logged (harness setpend/jobrun cannot report not-found), stale
parse_jobid regex comment in repl.c updated.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

src/scheduler/src/repl.c

@@ -139,11 +139,8 @@ int repl_split_tokens(const char* line, char tokens[][XCE_REPL_TOKEN_LEN],
         /* bug-1596 (task 12.5): strip one matching pair of surrounding
          * quote characters -- an operator pasting a value straight out of
          * another command's own output (e.g. a jobid from `info jobs`) and
-         * habitually quoting it otherwise gets a silent wrong-answer
-         * failure downstream (parse_jobid()'s whole-string-anchored regex
-         * rejects the literal quote characters, and a numeric strtoull()
-         * fallback then parses the leading quote as a nonnumeric prefix,
-         * silently producing 0) instead of an intelligible error. No
+         * habitually quoting it would otherwise have parse_jobid() reject
+         * the value because of the literal quote characters. No
          * escaping/embedded-space support -- just symmetric outer-quote
          * removal, sufficient for every argument this REPL's commands
          * accept (jobids, breakpoint filters, names). */