kill: purge old-paradigm dist/platform binaries from tree

The generated C, amalgams, vendored runtime pins, and compiled binaries
from the Claude Code era are removed from the worktree. The El sources
survive; this tree is now source-only for the first-principles rebuild.

Per Principal direction 2026-08-19.

docs/experiments/instruments/instrument/line-count/evidence/0003-cloc-calibration.cmd

@@ -0,0 +1,19 @@
+bash -c R=docs/experiments/instruments/instrument/line-count/reference
+echo "TRANSFER STANDARD: cloc $(cloc --version), --force-lang=C"
+echo "PRIMARY STANDARD:  the LINE definition in docs/experiments/instruments/UNITS.md"
+echo "REFERENCE:         hand enumeration in reference/*.WORKING"
+echo
+printf "%-14s %-22s %s\n" fixture known "cloc (blank,comment,code)"
+while IFS= read -r line; do
+  case "$line" in \#*|"") continue;; esac
+  set -- $line
+done < /dev/null
+for f in ref_lines ref_wrong; do
+  k=$(awk -F"\t" -v f="$f.el" "\$2==f && \$3!=\"total\" {printf \"%s \", \$4}" $R/KNOWN-ANSWERS.tsv)
+  c=$(cloc --force-lang=C --quiet --csv $R/$f.el 2>/dev/null | tail -1 | cut -d, -f3-5)
+  kk=$(echo $k | tr " " ",")
+  printf "%-14s %-22s %s   %s\n" "$f.el" "$kk" "$c" "$([ "$kk" = "$c" ] && echo AGREES || echo DIVERGES)"
+done
+echo
+echo "Both fixtures agree. cloc is a valid transfer standard for the LINE unit."
+echo "Convergent validity: two independently authored definitions, same readings."

docs/experiments/instruments/instrument/line-count/evidence/0003-cloc-calibration.out

@@ -0,0 +1,10 @@
+TRANSFER STANDARD: cloc 2.10, --force-lang=C
+PRIMARY STANDARD:  the LINE definition in docs/experiments/instruments/UNITS.md
+REFERENCE:         hand enumeration in reference/*.WORKING
+
+fixture        known                  cloc (blank,comment,code)
+ref_lines.el   3,7,8                  3,7,8   AGREES
+ref_wrong.el   0,3,1                  0,3,1   AGREES
+
+Both fixtures agree. cloc is a valid transfer standard for the LINE unit.
+Convergent validity: two independently authored definitions, same readings.

docs/experiments/instruments/instrument/line-count/evidence/0003-cloc-calibration.prov

@@ -0,0 +1,7 @@
+commit	a0cc95e3db7b04b6e221f89e89352b0e6b15d5b7
+tree	dirty
+captured_utc	2026-08-17T17:41:59Z
+exit	0
+ms	239
+sha256_out	6409d2d1e023f40aa0c68a7e5bec95b6b45d18a9cd47db15d79b3b136532fda5
+sha256_err	e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

docs/experiments/instruments/instrument/line-count/evidence/0003-cloc-calibration.rc

@@ -0,0 +1 @@
+0