content audit sec01-06: fixes (audit_content.py + 12 file/card corrections)

- tools/audit_content.py: per-file vs item-title triage (SUSPECT/SMALL/NO-TEXT/NO-CYR)
- sec01: .part removed; 10 files restored .pdf ext (LFS rename); #04/#19/#27 verify notes
- sec02 #16: corrupted double-encoded txt -> clean flib fb2 b/844509; #17/#22 doc verified via catdoc
- sec03 #11: -b epub = Spanish von Franz (Paidós 1983, forged EN OPF) -> bonus label
- sec03 #42: КАРО 2012 'Irish Tales' = EN reader (not RU, not the listed book) -> bonus rename
- sec03 #56: Onians b/c/d/e = Cambridge 24-87KB previews -> labeled
- sec06 #18: filename 1981->1989 (Perera 'Descent to the Goddess' 1989; 1981 = other book)
- sec06 #28: ia Zimmer OCR layer = foreign Devanagari text; images = RKP (p.100 verified)
- sec04 #30: buksmart 2020 = RU/FR bilingual w/ VeryPDF watermarks -> note
- linter: azw3/mobi ext + underscore in fname regex; manifest cross-check ignores off-disk rows;
  8 legacy cards section-order fixed (CR before DL)
- AGENTS.md: 'Content audit (2026-09-25)' lessons section
- check-md: 0/219

sections/06-religion/09-eliade-history-of-religious-ideas.md

@@ -28,7 +28,7 @@
 | EN | 09-eliade-hri-t2-en-1976.pdf | 44 MB | ia mircea-eliade-a-history-of-religious-ideas-volume-2 |
 | EN | 09-eliade-hri-t3-en-1988.epub | 0.9 MB | lg f/113631296 (t3, UCP 1988; rescue 2026-09-25) |
 | RU | 09-eliade-hri-t1-ru-2002.fb2 | 2.2 MB | flib b/122503 |
-| RU | 09-eliade-hri-t1-ru-2002-scan-фрагмент.pdf | 4.6 MB | flib b/640158 (⚠ фрагмент) |
+| RU | 09-eliade-hri-t1-ru-2002-scan-fragment.pdf | 4.6 MB | flib b/640158 (⚠ фрагмент) |
 | RU | 09-eliade-hri-t2-ru-2002.fb2 | 2.4 MB | flib b/860620 |
 | RU | 09-eliade-hri-t3-ru-2002.fb2 | 1.7 MB | flib b/123000 |