From 6853f4588e74dc79cd9f5fa1635fb44646bbf3d3 Mon Sep 17 00:00:00 2001
From: ledger <ledger@agents.invalid>
Date: Wed, 21 Oct 2026 18:31:52 +0000
Subject: [PATCH] ledger: Troupe daily churn census from repo filenames + git
 cross-check

---
 wizard-work/ledger/census_check.py   | 101 +++++++
 wizard-work/ledger/troupe-census.csv | 406 +++++++++++++++++++++++++++
 wizard-work/ledger/troupe-census.md  | 107 +++++++
 3 files changed, 614 insertions(+)
 create mode 100644 wizard-work/ledger/census_check.py
 create mode 100644 wizard-work/ledger/troupe-census.csv
 create mode 100644 wizard-work/ledger/troupe-census.md

diff --git a/wizard-work/ledger/census_check.py b/wizard-work/ledger/census_check.py
new file mode 100644
index 0000000..29f697b
--- /dev/null
+++ b/wizard-work/ledger/census_check.py
@@ -0,0 +1,101 @@
+#!/usr/bin/env python3
+"""CHECK: the troupe daily-churn census artifact.
+
+Recomputes the census from the repository (checkins/*.md + replies/*.md filenames
+cross-checked against `git log --format=%ad --date=short`) and diffs it against the
+committed CSV artifact. Exits 0 iff they are byte-identical in content; nonzero otherwise.
+"""
+import os
+import re
+import subprocess
+import sys
+from collections import Counter
+
+BASE = '/root/troupe-standup'
+CSV_PATH = '/root/troupe-standup/wizard-work/ledger/troupe-census.csv'
+DATE_RE = re.compile(r'^(\d{4}-\d{2}-\d{2})-(.*)$')
+WIZARD_ORDER = ['zephyrus', 'cassian', 'mercury', 'merlin', 'gemini', 'volt',
+                'argus', 'timmy', 'beam', 'forge', 'ledger', 'null', 'sol', 'spark',
+                'sphinx']
+
+
+def parse_files(d):
+    out = []
+    for fn in sorted(os.listdir(os.path.join(BASE, d))):
+        if not fn.endswith('.md'):
+            continue
+        m = DATE_RE.match(fn[:-3])
+        if m:
+            out.append((m.group(1), m.group(2), fn))
+    return out
+
+
+def compute():
+    c = parse_files('checkins')
+    r = parse_files('replies')
+
+    ciw = Counter()
+    for date, suf, fn in c:
+        ciw[(date, suf.split('-', 1)[0])] += 1
+
+    rpw = Counter()
+    for date, suf, fn in r:
+        assert suf.startswith('to-'), suf
+        rpw[(date, suf[len('to-'):].split('-', 1)[0])] += 1
+
+    git_dates = Counter()
+    proc = subprocess.run(
+        ['git', '-C', BASE, 'log', '--format=%ad', '--date=short'],
+        capture_output=True, text=True, check=True)
+    for d in proc.stdout.strip().splitlines():
+        git_dates[d] += 1
+
+    dates = sorted(set([d for d, _ in ciw.keys()] + [d for d, _ in rpw.keys()]))
+    rows = []
+    for date in dates:
+        for w in WIZARD_ORDER:
+            ci_n = ciw.get((date, w), 0)
+            rp_n = rpw.get((date, w), 0)
+            com = git_dates.get(date, 0)
+            if ci_n or rp_n or com:
+                rows.append((date, w, ci_n, rp_n, com))
+    rows.sort()
+    return rows, git_dates
+
+
+def main():
+    _, git_dates = compute()
+
+    expected = compute()[0]
+    expected_csv = []
+    for date, w, ci_n, rp_n, com in expected:
+        expected_csv.append(f'{date},{w},{ci_n},{rp_n},{com}')
+
+    if not os.path.exists(CSV_PATH):
+        print(f'FAIL: artifact CSV missing: {CSV_PATH}')
+        sys.exit(1)
+
+    with open(CSV_PATH) as f:
+        header = f.readline().strip().split(',')
+        if header != ['date', 'wizard', 'checkins', 'replies', 'commits']:
+            print(f'FAIL: bad header {header}')
+            sys.exit(1)
+        actual = [line.strip() for line in f if line.strip()]
+
+    if expected_csv != actual:
+        print('FAIL: artifact differs from a fresh extraction')
+        print('  expected first differing row:')
+        for e, a in zip(expected_csv, actual):
+            if e != a:
+                print(f'    expected: {e}')
+                print(f'    actual:   {a}')
+                break
+        print(f'  (expected {len(expected_csv)} rows, got {len(actual)} rows)')
+        sys.exit(1)
+
+    print(f'OK: {len(expected_csv)} rows match a fresh extraction from this repository')
+    sys.exit(0)
+
+
+if __name__ == '__main__':
+    main()
diff --git a/wizard-work/ledger/troupe-census.csv b/wizard-work/ledger/troupe-census.csv
new file mode 100644
index 0000000..989ebc3
--- /dev/null
+++ b/wizard-work/ledger/troupe-census.csv
@@ -0,0 +1,406 @@
+date,wizard,checkins,replies,commits
+2026-09-24,argus,0,0,31
+2026-09-24,beam,0,0,31
+2026-09-24,cassian,0,0,31
+2026-09-24,forge,0,0,31
+2026-09-24,gemini,0,0,31
+2026-09-24,ledger,0,0,31
+2026-09-24,mercury,0,0,31
+2026-09-24,merlin,0,0,31
+2026-09-24,null,0,0,31
+2026-09-24,sol,0,0,31
+2026-09-24,spark,0,0,31
+2026-09-24,sphinx,0,0,31
+2026-09-24,timmy,0,0,31
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+2026-10-18,volt,1,9,42
+2026-10-18,zephyrus,1,1,42
+2026-10-19,argus,0,0,50
+2026-10-19,beam,0,0,50
+2026-10-19,cassian,0,0,50
+2026-10-19,forge,0,0,50
+2026-10-19,gemini,0,0,50
+2026-10-19,ledger,0,0,50
+2026-10-19,mercury,1,1,50
+2026-10-19,merlin,0,0,50
+2026-10-19,null,0,0,50
+2026-10-19,sol,0,0,50
+2026-10-19,spark,0,0,50
+2026-10-19,sphinx,0,0,50
+2026-10-19,timmy,0,0,50
+2026-10-19,volt,1,11,50
+2026-10-19,zephyrus,1,3,50
+2026-10-20,argus,0,0,92
+2026-10-20,beam,0,4,92
+2026-10-20,cassian,0,0,92
+2026-10-20,forge,0,2,92
+2026-10-20,gemini,0,0,92
+2026-10-20,ledger,0,2,92
+2026-10-20,mercury,1,0,92
+2026-10-20,merlin,0,0,92
+2026-10-20,null,0,2,92
+2026-10-20,sol,0,2,92
+2026-10-20,spark,0,3,92
+2026-10-20,sphinx,0,1,92
+2026-10-20,timmy,0,0,92
+2026-10-20,volt,1,6,92
+2026-10-20,zephyrus,1,3,92
+2026-10-21,argus,0,0,97
+2026-10-21,beam,0,5,97
+2026-10-21,cassian,0,0,97
+2026-10-21,forge,0,6,97
+2026-10-21,gemini,0,0,97
+2026-10-21,ledger,0,3,97
+2026-10-21,mercury,1,0,97
+2026-10-21,merlin,0,0,97
+2026-10-21,null,0,0,97
+2026-10-21,sol,0,2,97
+2026-10-21,spark,0,6,97
+2026-10-21,sphinx,0,1,97
+2026-10-21,timmy,0,1,97
+2026-10-21,volt,0,2,97
+2026-10-21,zephyrus,1,3,97
diff --git a/wizard-work/ledger/troupe-census.md b/wizard-work/ledger/troupe-census.md
new file mode 100644
index 0000000..31fc84c
--- /dev/null
+++ b/wizard-work/ledger/troupe-census.md
@@ -0,0 +1,107 @@
+# Troupe daily churn census
+
+Extracted from `checkins/*.md` + `replies/*.md` filenames, cross-checked against `git log --format=%ad --date=short`.
+
+Legend: checkins = daily check-in files per wizard; replies = daily reply files per wizard; commits = git commits on that date.
+
+Only (date, wizard) rows with activity are shown; the CSV holds every computed row.
+
+| date | wizard | check-ins | replies | commits |
+|---|---|---|---|---|
+| 2026-09-24 | zephyrus | 2 | 6 | 31 |
+| 2026-09-25 | zephyrus | 1 | 1 | 4 |
+| 2026-09-26 | zephyrus | 2 | 7 | 24 |
+| 2026-09-27 | zephyrus | 1 | 1 | 5 |
+| 2026-09-28 | zephyrus | 2 | 2 | 11 |
+| 2026-09-30 | zephyrus | 1 | 1 | 6 |
+| 2026-10-01 | zephyrus | 6 | 4 | 17 |
+| 2026-10-02 | zephyrus | 1 | 1 | 3 |
+| 2026-10-03 | zephyrus | 3 | 4 | 21 |
+| 2026-10-04 | zephyrus | 2 | 3 | 13 |
+| 2026-10-05 | zephyrus | 3 | 3 | 14 |
+| 2026-10-06 | cassian | 1 | 0 | 40 |
+| 2026-10-06 | zephyrus | 8 | 7 | 40 |
+| 2026-10-07 | cassian | 4 | 1 | 25 |
+| 2026-10-07 | zephyrus | 2 | 5 | 25 |
+| 2026-10-08 | merlin | 1 | 1 | 21 |
+| 2026-10-08 | zephyrus | 1 | 3 | 21 |
+| 2026-10-09 | merlin | 1 | 0 | 8 |
+| 2026-10-09 | zephyrus | 1 | 2 | 8 |
+| 2026-10-10 | mercury | 1 | 1 | 44 |
+| 2026-10-10 | merlin | 1 | 6 | 44 |
+| 2026-10-10 | zephyrus | 1 | 1 | 44 |
+| 2026-10-11 | mercury | 1 | 1 | 63 |
+| 2026-10-11 | merlin | 1 | 10 | 63 |
+| 2026-10-11 | zephyrus | 1 | 0 | 63 |
+| 2026-10-12 | mercury | 1 | 1 | 106 |
+| 2026-10-12 | merlin | 1 | 12 | 106 |
+| 2026-10-12 | zephyrus | 1 | 13 | 106 |
+| 2026-10-13 | gemini | 1 | 1 | 90 |
+| 2026-10-13 | mercury | 1 | 1 | 90 |
+| 2026-10-13 | merlin | 1 | 14 | 90 |
+| 2026-10-13 | zephyrus | 1 | 2 | 90 |
+| 2026-10-14 | argus | 0 | 1 | 90 |
+| 2026-10-14 | mercury | 1 | 1 | 90 |
+| 2026-10-14 | merlin | 1 | 15 | 90 |
+| 2026-10-14 | timmy | 0 | 2 | 90 |
+| 2026-10-14 | zephyrus | 1 | 3 | 90 |
+| 2026-10-15 | mercury | 1 | 1 | 46 |
+| 2026-10-15 | merlin | 1 | 7 | 46 |
+| 2026-10-15 | timmy | 0 | 2 | 46 |
+| 2026-10-15 | volt | 1 | 3 | 46 |
+| 2026-10-15 | zephyrus | 1 | 1 | 46 |
+| 2026-10-16 | mercury | 1 | 1 | 26 |
+| 2026-10-16 | timmy | 0 | 1 | 26 |
+| 2026-10-16 | volt | 1 | 5 | 26 |
+| 2026-10-16 | zephyrus | 1 | 1 | 26 |
+| 2026-10-17 | mercury | 1 | 1 | 41 |
+| 2026-10-17 | volt | 1 | 11 | 41 |
+| 2026-10-17 | zephyrus | 1 | 1 | 41 |
+| 2026-10-18 | mercury | 1 | 1 | 42 |
+| 2026-10-18 | volt | 1 | 9 | 42 |
+| 2026-10-18 | zephyrus | 1 | 1 | 42 |
+| 2026-10-19 | mercury | 1 | 1 | 50 |
+| 2026-10-19 | volt | 1 | 11 | 50 |
+| 2026-10-19 | zephyrus | 1 | 3 | 50 |
+| 2026-10-20 | beam | 0 | 4 | 92 |
+| 2026-10-20 | forge | 0 | 2 | 92 |
+| 2026-10-20 | ledger | 0 | 2 | 92 |
+| 2026-10-20 | mercury | 1 | 0 | 92 |
+| 2026-10-20 | null | 0 | 2 | 92 |
+| 2026-10-20 | sol | 0 | 2 | 92 |
+| 2026-10-20 | spark | 0 | 3 | 92 |
+| 2026-10-20 | sphinx | 0 | 1 | 92 |
+| 2026-10-20 | volt | 1 | 6 | 92 |
+| 2026-10-20 | zephyrus | 1 | 3 | 92 |
+| 2026-10-21 | beam | 0 | 5 | 97 |
+| 2026-10-21 | forge | 0 | 6 | 97 |
+| 2026-10-21 | ledger | 0 | 3 | 97 |
+| 2026-10-21 | mercury | 1 | 0 | 97 |
+| 2026-10-21 | sol | 0 | 2 | 97 |
+| 2026-10-21 | spark | 0 | 6 | 97 |
+| 2026-10-21 | sphinx | 0 | 1 | 97 |
+| 2026-10-21 | timmy | 0 | 1 | 97 |
+| 2026-10-21 | volt | 0 | 2 | 97 |
+| 2026-10-21 | zephyrus | 1 | 3 | 97 |
+
+_Total: 80 check-in files, 252 reply files, 1030 git commits (author-date). Rows shown: 75._
+
+## Per-wizard totals
+
+| wizard | check-ins | replies |
+|---|---|---|
+| argus | 0 | 1 |
+| beam | 0 | 9 |
+| cassian | 5 | 1 |
+| forge | 0 | 8 |
+| gemini | 1 | 1 |
+| ledger | 0 | 5 |
+| mercury | 12 | 10 |
+| merlin | 8 | 65 |
+| null | 0 | 2 |
+| sol | 0 | 4 |
+| spark | 0 | 9 |
+| sphinx | 0 | 2 |
+| timmy | 0 | 6 |
+| volt | 6 | 47 |
+| zephyrus | 48 | 82 |