Add CLAUDE.md and LaTeX paper, remove old papers directory

- Add CLAUDE.md with project guidance for Claude Code
- Add LaTeX/ with paper and figure generation scripts
- Remove papers/ directory (replaced by LaTeX/)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

LaTeX/paper.blg

@@ -0,0 +1,48 @@
+This is BibTeX, Version 0.99e
+Capacity: max_strings=200000, hash_size=200000, hash_prime=170003
+The top-level auxiliary file: paper.aux
+Reallocating 'name_of_file' (item size: 1) to 6 items.
+The style file: plain.bst
+Reallocating 'name_of_file' (item size: 1) to 11 items.
+Database file #1: references.bib
+You've used 11 entries,
+            2118 wiz_defined-function locations,
+            576 strings with 5462 characters,
+and the built_in function-call counts, 3192 in all, are:
+= -- 319
+> -- 122
+< -- 0
++ -- 52
+- -- 38
+* -- 219
+:= -- 551
+add.period$ -- 33
+call.type$ -- 11
+change.case$ -- 49
+chr.to.int$ -- 0
+cite$ -- 11
+duplicate$ -- 125
+empty$ -- 270
+format.name$ -- 38
+if$ -- 652
+int.to.chr$ -- 0
+int.to.str$ -- 11
+missing$ -- 15
+newline$ -- 58
+num.names$ -- 22
+pop$ -- 49
+preamble$ -- 1
+purify$ -- 41
+quote$ -- 0
+skip$ -- 76
+stack$ -- 0
+substring$ -- 209
+swap$ -- 11
+text.length$ -- 0
+text.prefix$ -- 0
+top$ -- 0
+type$ -- 36
+warning$ -- 0
+while$ -- 36
+width$ -- 13
+write$ -- 124