Repository navigation
Expand file tree
/
Copy pathhooks.test.js
More file actions
6666 lines (5851 loc) · 286 KB
/
Copy pathhooks.test.js
File metadata and controls
6666 lines (5851 loc) · 286 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/**
* Tests for hook scripts
*
* Run with: node tests/hooks/hooks.test.js
*/
const assert = require('assert');
const path = require('path');
const fs = require('fs');
const os = require('os');
const { execFileSync, spawn, spawnSync } = require('child_process');
const { readHooksConfig } = require('../../scripts/lib/hooks-config');
const SKIP_BASH = process.platform === 'win32';
function toBashPath(filePath) {
if (process.platform !== 'win32') {
return filePath;
}
return String(filePath)
.replace(/^([A-Za-z]):/, (_, driveLetter) => `/${driveLetter.toLowerCase()}`)
.replace(/\\/g, '/');
}
function fromBashPath(filePath) {
if (process.platform !== 'win32') {
return filePath;
}
const rawPath = String(filePath || '');
if (!rawPath) {
return rawPath;
}
try {
return execFileSync('bash', ['-lc', 'cygpath -w -- "$1"', 'bash', rawPath], { stdio: ['ignore', 'pipe', 'ignore'] })
.toString()
.trim();
} catch {
// Fall back to common Git Bash path shapes when cygpath is unavailable.
}
const match = rawPath.match(/^\/(?:cygdrive\/)?([A-Za-z])\/(.*)$/) || rawPath.match(/^\/\/([A-Za-z])\/(.*)$/);
if (match) {
return `${match[1].toUpperCase()}:\\${match[2].replace(/\//g, '\\')}`;
}
if (/^[A-Za-z]:\//.test(rawPath)) {
return rawPath.replace(/\//g, '\\');
}
return rawPath;
}
function normalizeComparablePath(filePath) {
const nativePath = fromBashPath(filePath);
if (!nativePath) {
return nativePath;
}
let comparablePath = nativePath;
try {
comparablePath = fs.realpathSync.native ? fs.realpathSync.native(nativePath) : fs.realpathSync(nativePath);
} catch {
comparablePath = path.resolve(nativePath);
}
comparablePath = comparablePath.replace(/[\\/]+/g, '/');
if (comparablePath.length > 1 && !/^[A-Za-z]:\/$/.test(comparablePath)) {
comparablePath = comparablePath.replace(/\/+$/, '');
}
return process.platform === 'win32' ? comparablePath.toLowerCase() : comparablePath;
}
function sleepMs(ms) {
Atomics.wait(new Int32Array(new SharedArrayBuffer(4)), 0, 0, ms);
}
function getCanonicalSessionsDir(homeDir) {
return path.join(homeDir, '.claude', 'session-data');
}
function getLegacySessionsDir(homeDir) {
return path.join(homeDir, '.claude', 'sessions');
}
function getSessionStartAdditionalContext(stdout) {
assert.ok(stdout.trim(), 'Expected SessionStart hook to emit stdout payload');
const payload = JSON.parse(stdout);
assert.strictEqual(payload.hookSpecificOutput?.hookEventName, 'SessionStart', 'Should emit SessionStart hook payload');
assert.strictEqual(typeof payload.hookSpecificOutput?.additionalContext, 'string', 'Should include additionalContext text');
return payload.hookSpecificOutput.additionalContext;
}
const RESUME_SESSION_SENTINEL = 'RESUME_CONTEXT_SHOULD_NOT_BE_INJECTED';
const INVALID_STDIN_SESSION_SENTINEL = 'INVALID_STDIN_CONTEXT_SHOULD_NOT_BE_INJECTED';
const INVALID_STDIN_LOG_SENTINEL = 'SENSITIVE_STDIN_SHOULD_NOT_BE_LOGGED';
const CROSS_PROJECT_SESSION_SENTINEL = 'CROSS_PROJECT_CONTEXT_SHOULD_NOT_BE_INJECTED';
const CROSS_WORKTREE_PROJECT_SENTINEL = 'CROSS_WORKTREE_PROJECT_CONTEXT_SHOULD_NOT_BE_INJECTED';
const CLI_RESUME_SESSION_SENTINEL = 'CLI_RESUME_CONTEXT_SHOULD_NOT_BE_INJECTED';
const CLI_CLEAR_SESSION_SENTINEL = 'CLI_CLEAR_CONTEXT_SHOULD_NOT_BE_INJECTED';
const DESKTOP_CLEAR_SESSION_SENTINEL = 'DESKTOP_CLEAR_CONTEXT_SHOULD_NOT_BE_INJECTED';
const PROJECT_ONLY_SESSION_SENTINEL = 'PROJECT_ONLY_CONTEXT_SHOULD_BE_INJECTED';
const SAME_REPO_WORKTREE_SENTINEL = 'SAME_REPO_WORKTREE_CONTEXT_SHOULD_BE_INJECTED';
const REPO_FIELD_SESSION_SENTINEL = 'REPO_FIELD_CONTEXT_SHOULD_BE_INJECTED';
const UNRELATED_REPO_SESSION_SENTINEL = 'UNRELATED_REPO_CONTEXT_SHOULD_NOT_BE_INJECTED';
function buildSessionStartFixture(content, options = {}) {
const title = options.title ?? '# Session';
const project = options.project ?? path.basename(process.cwd());
const worktree = options.worktree ?? process.cwd();
const lines = [title, `**Project:** ${project}`];
if (worktree) {
lines.push(`**Worktree:** ${worktree}`);
}
if (options.repo) {
lines.push(`**Repo:** ${options.repo}`);
}
lines.push('', content, '');
return lines.join('\n');
}
function initGitRepoWithWorktrees(baseDir, worktreeNames) {
const mainrepo = path.join(baseDir, 'mainrepo');
execFileSync('git', ['init', '-q', mainrepo]);
execFileSync('git', ['config', 'user.email', 't@t.local'], { cwd: mainrepo });
execFileSync('git', ['config', 'user.name', 't'], { cwd: mainrepo });
fs.writeFileSync(path.join(mainrepo, 'README.md'), 'seed\n');
execFileSync('git', ['add', '-A'], { cwd: mainrepo });
execFileSync('git', ['commit', '-q', '-m', 'seed'], { cwd: mainrepo });
const worktrees = {};
for (const name of worktreeNames) {
const target = path.join(baseDir, name);
execFileSync('git', ['worktree', 'add', '-q', '-b', name, target, 'HEAD'], { cwd: mainrepo });
worktrees[name] = target;
}
return { mainrepo, worktrees };
}
function gitCommonDirRealpath(dir) {
const out = execFileSync('git', ['rev-parse', '--git-common-dir'], { cwd: dir, encoding: 'utf8' }).trim();
const resolved = path.resolve(dir, out);
try {
return fs.realpathSync(resolved);
} catch {
return resolved;
}
}
// Test helper
function test(name, fn) {
try {
fn();
console.log(` ✓ ${name}`);
return true;
} catch (err) {
console.log(` ✗ ${name}`);
console.log(` Error: ${err.message}`);
return false;
}
}
// Async test helper
async function asyncTest(name, fn) {
try {
await fn();
console.log(` ✓ ${name}`);
return true;
} catch (err) {
console.log(` ✗ ${name}`);
console.log(` Error: ${err.message}`);
return false;
}
}
// Run a script and capture output
function runScript(scriptPath, input = '', env = {}, cwd = process.cwd()) {
return new Promise((resolve, reject) => {
const proc = spawn('node', [scriptPath], {
cwd,
env: { ...process.env, ...env },
stdio: ['pipe', 'pipe', 'pipe']
});
let stdout = '';
let stderr = '';
proc.stdout.on('data', data => (stdout += data));
proc.stderr.on('data', data => (stderr += data));
if (input) {
proc.stdin.write(input);
}
proc.stdin.end();
proc.on('close', code => {
resolve({ code, stdout, stderr });
});
proc.on('error', reject);
});
}
function runShellScript(scriptPath, args = [], input = '', env = {}, cwd = process.cwd()) {
return new Promise((resolve, reject) => {
const proc = spawn('bash', [toBashPath(scriptPath), ...args], {
cwd,
env: { ...process.env, ...env },
stdio: ['pipe', 'pipe', 'pipe']
});
let stdout = '';
let stderr = '';
if (input) {
proc.stdin.write(input);
}
proc.stdin.end();
proc.stdout.on('data', data => (stdout += data));
proc.stderr.on('data', data => (stderr += data));
proc.on('close', code => resolve({ code, stdout, stderr }));
proc.on('error', reject);
});
}
// Create a temporary test directory
function createTestDir() {
return fs.mkdtempSync(path.join(os.tmpdir(), 'hooks-test-'));
}
// Clean up test directory
function cleanupTestDir(testDir) {
const retryableCodes = new Set(['EPERM', 'EBUSY', 'ENOTEMPTY']);
for (let attempt = 0; attempt < 5; attempt++) {
try {
fs.rmSync(testDir, { recursive: true, force: true });
return;
} catch (error) {
if (!retryableCodes.has(error.code) || attempt === 4) {
throw error;
}
sleepMs(50 * (attempt + 1));
}
}
}
function createCommandShim(binDir, baseName, logFile) {
fs.mkdirSync(binDir, { recursive: true });
const shimJs = path.join(binDir, `${baseName}-shim.js`);
fs.writeFileSync(
shimJs,
["const fs = require('fs');", `fs.appendFileSync(${JSON.stringify(logFile)}, JSON.stringify({ bin: ${JSON.stringify(baseName)}, args: process.argv.slice(2), cwd: process.cwd() }) + '\\n');`].join(
'\n'
)
);
if (process.platform === 'win32') {
const shimCmd = path.join(binDir, `${baseName}.cmd`);
fs.writeFileSync(shimCmd, `@echo off\r\nnode "${shimJs}" %*\r\n`);
return shimCmd;
}
const shimPath = path.join(binDir, baseName);
fs.writeFileSync(shimPath, `#!/usr/bin/env node\nrequire(${JSON.stringify(shimJs)});\n`);
fs.chmodSync(shimPath, 0o755);
return shimPath;
}
function readCommandLog(logFile) {
if (!fs.existsSync(logFile)) return [];
return fs
.readFileSync(logFile, 'utf8')
.split('\n')
.filter(Boolean)
.map(line => {
try {
return JSON.parse(line);
} catch {
return null;
}
})
.filter(Boolean);
}
function withPrependedPath(binDir, env = {}) {
const pathKey = Object.keys(process.env).find(key => key.toLowerCase() === 'path') || (process.platform === 'win32' ? 'Path' : 'PATH');
const currentPath = process.env[pathKey] || process.env.PATH || '';
const nextPath = `${binDir}${path.delimiter}${currentPath}`;
return {
...env,
[pathKey]: nextPath,
PATH: nextPath
};
}
function assertNoProjectDetectionSideEffects(homeDir, testName) {
const homunculusDir = path.join(homeDir, '.local', 'share', 'ecc-homunculus');
const registryPath = path.join(homunculusDir, 'projects.json');
const projectsDir = path.join(homunculusDir, 'projects');
assert.ok(!fs.existsSync(registryPath), `${testName} should not create projects.json`);
const projectEntries = fs.existsSync(projectsDir) ? fs.readdirSync(projectsDir).filter(entry => fs.statSync(path.join(projectsDir, entry)).isDirectory()) : [];
assert.strictEqual(projectEntries.length, 0, `${testName} should not create project directories`);
}
async function assertObserveSkipBeforeProjectDetection(testCase) {
const observePath = path.join(__dirname, '..', '..', 'skills', 'continuous-learning-v2', 'hooks', 'observe.sh');
const homeDir = createTestDir();
const projectDir = createTestDir();
try {
const cwd = testCase.cwdSuffix ? path.join(projectDir, testCase.cwdSuffix) : projectDir;
fs.mkdirSync(cwd, { recursive: true });
const payload = JSON.stringify({
tool_name: 'Bash',
tool_input: { command: 'echo hello' },
tool_response: 'ok',
session_id: `session-${testCase.name.replace(/[^a-z0-9]+/gi, '-')}`,
cwd,
...(testCase.payload || {})
});
const result = await runShellScript(
observePath,
['post'],
payload,
{
HOME: homeDir,
USERPROFILE: homeDir,
...testCase.env
},
projectDir
);
assert.strictEqual(result.code, 0, `${testCase.name} should exit successfully, stderr: ${result.stderr}`);
assertNoProjectDetectionSideEffects(homeDir, testCase.name);
} finally {
cleanupTestDir(homeDir);
cleanupTestDir(projectDir);
}
}
function runPatchedRunAll(tempRoot) {
const wrapperPath = path.join(tempRoot, 'run-all-wrapper.js');
const tempTestsDir = path.join(tempRoot, 'tests');
let source = fs.readFileSync(path.join(__dirname, '..', 'run-all.js'), 'utf8');
source = source.replace('const testsDir = __dirname;', `const testsDir = ${JSON.stringify(tempTestsDir)};`);
fs.writeFileSync(wrapperPath, source);
const result = spawnSync('node', [wrapperPath], {
encoding: 'utf8',
stdio: ['pipe', 'pipe', 'pipe'],
timeout: 15000
});
return {
code: result.status ?? 1,
stdout: result.stdout || '',
stderr: result.stderr || ''
};
}
// Test suite
async function runTests() {
console.log('\n=== Testing Hook Scripts ===\n');
let passed = 0;
let failed = 0;
const scriptsDir = path.join(__dirname, '..', '..', 'scripts', 'hooks');
// session-start.js tests
console.log('session-start.js:');
if (
await asyncTest('runs without error', async () => {
const result = await runScript(path.join(scriptsDir, 'session-start.js'));
assert.strictEqual(result.code, 0, `Exit code should be 0, got ${result.code}`);
})
)
passed++;
else failed++;
if (
await asyncTest('outputs session info to stderr', async () => {
const result = await runScript(path.join(scriptsDir, 'session-start.js'));
assert.ok(result.stderr.includes('[SessionStart]') || result.stderr.includes('Package manager'), 'Should output session info');
})
)
passed++;
else failed++;
// session-start.js edge cases
console.log('\nsession-start.js (edge cases):');
if (
await asyncTest('exits 0 even with isolated empty HOME', async () => {
const isoHome = fs.mkdtempSync(path.join(os.tmpdir(), 'ecc-iso-start-'));
fs.mkdirSync(getCanonicalSessionsDir(isoHome), { recursive: true });
fs.mkdirSync(path.join(isoHome, '.claude', 'skills', 'learned'), { recursive: true });
try {
const result = await runScript(path.join(scriptsDir, 'session-start.js'), '', {
HOME: isoHome,
USERPROFILE: isoHome
});
assert.strictEqual(result.code, 0, `Exit code should be 0, got ${result.code}`);
} finally {
fs.rmSync(isoHome, { recursive: true, force: true });
}
})
)
passed++;
else failed++;
if (
await asyncTest('reports package manager detection', async () => {
const result = await runScript(path.join(scriptsDir, 'session-start.js'));
assert.ok(result.stderr.includes('Package manager') || result.stderr.includes('[SessionStart]'), 'Should report package manager info');
})
)
passed++;
else failed++;
if (
await asyncTest('skips template session content', async () => {
const isoHome = fs.mkdtempSync(path.join(os.tmpdir(), 'ecc-tpl-start-'));
const sessionsDir = getLegacySessionsDir(isoHome);
fs.mkdirSync(sessionsDir, { recursive: true });
fs.mkdirSync(path.join(isoHome, '.claude', 'skills', 'learned'), { recursive: true });
// Create a session file with template placeholder
const sessionFile = path.join(sessionsDir, '2026-02-11-ab
10BC8
cd1234-session.tmp');
fs.writeFileSync(sessionFile, '## Current State\n\n[Session context goes here]\n');
try {
const result = await runScript(path.join(scriptsDir, 'session-start.js'), '', {
HOME: isoHome,
USERPROFILE: isoHome
});
assert.strictEqual(result.code, 0);
const additionalContext = getSessionStartAdditionalContext(result.stdout);
assert.ok(!additionalContext.includes('Previous session summary'), 'Should not inject template session content');
} finally {
fs.rmSync(isoHome, { recursive: true, force: true });
}
})
)
passed++;
else failed++;
if (
await asyncTest('injects real session content', async () => {
const isoHome = fs.mkdtempSync(path.join(os.tmpdir(), 'ecc-real-start-'));
const sessionsDir = getLegacySessionsDir(isoHome);
fs.mkdirSync(sessionsDir, { recursive: true });
fs.mkdirSync(path.join(isoHome, '.claude', 'skills', 'learned'), { recursive: true });
// Create a real session file
const sessionFile = path.join(sessionsDir, '2026-02-11-efgh5678-session.tmp');
fs.writeFileSync(sessionFile, buildSessionStartFixture('I worked on authentication refactor.', { title: '# Real Session' }));
try {
const result = await runScript(path.join(scriptsDir, 'session-start.js'), '', {
HOME: isoHome,
USERPROFILE: isoHome
});
assert.strictEqual(result.code, 0);
const additionalContext = getSessionStartAdditionalContext(result.stdout);
assert.ok(additionalContext.includes('HISTORICAL REFERENCE ONLY'), 'Should wrap injected session with the stale-replay guard preamble');
assert.ok(additionalContext.includes('STALE-BY-DEFAULT'), 'Should spell out the stale-by-default contract so the model does not re-execute prior ARGUMENTS');
assert.ok(additionalContext.includes('--- BEGIN PRIOR-SESSION SUMMARY ---'), 'Should delimit the prior-session summary with an explicit begin marker');
assert.ok(additionalContext.includes('--- END PRIOR-SESSION SUMMARY ---'), 'Should delimit the prior-session summary with an explicit end marker');
assert.ok(additionalContext.includes('authentication refactor'), 'Should include session content text');
} finally {
fs.rmSync(isoHome, { recursive: true, force: true });
}
})
)
passed++;
else failed++;
if (
await asyncTest('caps very large session-start context by default', async () => {
const isoHome = fs.mkdtempSync(path.join(os.tmpdir(), 'ecc-large-start-'));
const sessionsDir = getLegacySessionsDir(isoHome);
fs.mkdirSync(sessionsDir, { recursive: true });
fs.mkdirSync(path.join(isoHome, '.claude', 'skills', 'learned'), { recursive: true });
const sessionFile = path.join(sessionsDir, '2026-02-11-large000-session.tmp');
fs.writeFileSync(sessionFile, buildSessionStartFixture(`START_MARKER\n${'A'.repeat(20000)}\nEND_MARKER`, { title: '# Large Session' }));
try {
const result = await runScript(path.join(scriptsDir, 'session-start.js'), '', {
HOME: isoHome,
USERPROFILE: isoHome
});
assert.strictEqual(result.code, 0);
const additionalContext = getSessionStartAdditionalContext(result.stdout);
assert.ok(additionalContext.length <= 8200, `context should stay near the 8000-char default cap, got ${additionalContext.length}`);
assert.ok(additionalContext.includes('START_MARKER'), 'Should keep the start of the selected session summary');
assert.ok(additionalContext.includes('[SessionStart truncated'), 'Should explain that context was truncated');
assert.ok(!additionalContext.includes('END_MARKER'), 'Should not inject the full oversized session summary');
} finally {
fs.rmSync(isoHome, { recursive: true, force: true });
}
})
)
passed++;
else failed++;
if (
await asyncTest('honors ECC_SESSION_START_MAX_CHARS for injected context', async () => {
const isoHome = fs.mkdtempSync(path.join(os.tmpdir(), 'ecc-max-start-'));
const sessionsDir = getLegacySessionsDir(isoHome);
fs.mkdirSync(sessionsDir, { recursive: true });
fs.mkdirSync(path.join(isoHome, '.claude', 'skills', 'learned'), { recursive: true });
const sessionFile = path.join(sessionsDir, '2026-02-11-max0000-session.tmp');
fs.writeFileSync(sessionFile, buildSessionStartFixture('B'.repeat(1200), { title: '# Sized Session' }));
try {
const result = await runScript(path.join(scriptsDir, 'session-start.js'), '', {
HOME: isoHome,
USERPROFILE: isoHome,
ECC_SESSION_START_MAX_CHARS: '700'
});
assert.strictEqual(result.code, 0);
const additionalContext = getSessionStartAdditionalContext(result.stdout);
assert.ok(additionalContext.length <= 700, `context should respect configured cap, got ${additionalContext.length}`);
assert.ok(additionalContext.includes('[SessionStart truncated'), 'Should include a truncation marker');
} finally {
fs.rmSync(isoHome, { recursive: true, force: true });
}
})
)
passed++;
else failed++;
if (
await asyncTest('honors ECC_MAX_INJECTED_INSTINCTS for injected instincts', async () => {
const isoHome = fs.mkdtempSync(path.join(os.tmpdir(), 'ecc-max-instincts-'));
const homunculusDir = path.join(isoHome, 'homunculus');
const instinctsDir = path.join(homunculusDir, 'instincts', 'personal');
fs.mkdirSync(instinctsDir, { recursive: true });
for (let i = 1; i <= 8; i++) {
fs.writeFileSync(
path.join(instinctsDir, `instinct-${i}.md`),
`---\nid: max-instinct-${i}\nconfidence: 0.9\n---\n## Action\nDo configurable thing number ${i}.\n`
);
}
const baseEnv = { HOME: isoHome, USERPROFILE: isoHome, CLV2_HOMUNCULUS_DIR: homunculusDir };
try {
const def = await runScript(path.join(scriptsDir, 'session-start.js'), '', baseEnv);
assert.strictEqual(def.code, 0);
assert.ok(def.stderr.includes('Injecting 6 instinct(s)'), `default cap should inject 6, stderr: ${def.stderr}`);
const capped = await runScript(path.join(scriptsDir, 'session-start.js'), '', { ...baseEnv, ECC_MAX_INJECTED_INSTINCTS: '3' });
assert.strictEqual(capped.code, 0);
assert.ok(capped.stderr.includes('Injecting 3 instinct(s)'), `override should inject 3, stderr: ${capped.stderr}`);
const garbage = await runScript(path.join(scriptsDir, 'session-start.js'), '', { ...baseEnv, ECC_MAX_INJECTED_INSTINCTS: 'not-a-number' });
assert.strictEqual(garbage.code, 0);
assert.ok(garbage.stderr.includes('Injecting 6 instinct(s)'), `garbage override should fall back to default 6, stderr: ${garbage.stderr}`);
// A partial/non-integer value must be rejected whole, not truncated.
const partial = await runScript(path.join(scriptsDir, 'session-start.js'), '', { ...baseEnv, ECC_MAX_INJECTED_INSTINCTS: '3.9' });
assert.strictEqual(partial.code, 0);
assert.ok(partial.stderr.includes('Injecting 6 instinct(s)'), `non-integer override (3.9) should fall back to default 6, not truncate to 3, stderr: ${partial.stderr}`);
// Non-decimal numeric syntax (exponent, hex) must be rejected too.
// If "1e2" were accepted as 100, all 8 fixtures would inject; the
// default cap of 6 proves it fell back.
const exponent = await runScript(path.join(scriptsDir, 'session-start.js'), '', { ...baseEnv, ECC_MAX_INJECTED_INSTINCTS: '1e2' });
assert.strictEqual(exponent.code, 0);
assert.ok(exponent.stderr.includes('Injecting 6 instinct(s)'), `exponent override (1e2) should fall back to default 6, stderr: ${exponent.stderr}`);
} finally {
fs.rmSync(isoHome, { recursive: true, force: true });
}
})
)
passed++;
else failed++;
if (
await asyncTest('honors ECC_INSTINCT_CONFIDENCE_THRESHOLD for injected instincts', async () => {
const isoHome = fs.mkdtempSync(path.join(os.tmpdir(), 'ecc-instinct-threshold-'));
const homunculusDir = path.join(isoHome, 'homunculus');
const instinctsDir = path.join(homunculusDir, 'instincts', 'personal');
fs.mkdirSync(instinctsDir, { recursive: true });
// 4 high-confidence (0.9) + 4 low-confidence (0.6) instincts.
for (let i = 1; i <= 8; i++) {
const confidence = i <= 4 ? '0.9' : '0.6';
fs.writeFileSync(
path.join(instinctsDir, `instinct-${i}.md`),
`---\nid: thr-instinct-${i}\nconfidence: ${confidence}\n---\n## Action\nDo threshold thing number ${i}.\n`
);
}
const baseEnv = { HOME: isoHome, USERPROFILE: isoHome, CLV2_HOMUNCULUS_DIR: homunculusDir };
try {
const def = await runScript(path.join(scriptsDir, 'session-start.js'), '', baseEnv);
assert.strictEqual(def.code, 0);
assert.ok(def.stderr.includes('Injecting 4 instinct(s)'), `default 0.7 threshold should inject only the four 0.9 instincts, stderr: ${def.stderr}`);
const raised = await runScript(path.join(scriptsDir, 'session-start.js'), '', { ...baseEnv, ECC_INSTINCT_CONFIDENCE_THRESHOLD: '0.95' });
assert.strictEqual(raised.code, 0);
assert.ok(!raised.stderr.includes('instinct(s) into session context'), `0.95 threshold should filter out all instincts, stderr: ${raised.stderr}`);
const lowered = await runScript(path.join(scriptsDir, 'session-start.js'), '', { ...baseEnv, ECC_INSTINCT_CONFIDENCE_THRESHOLD: '0.5' });
assert.strictEqual(lowered.code, 0);
assert.ok(lowered.stderr.includes('Injecting 6 instinct(s)'), `0.5 threshold should pass all eight but cap at the default 6, stderr: ${lowered.stderr}`);
// Non-decimal syntax must fall back to the default 0.7, not be read
// as hex. If "0x1" were accepted as 1.0, zero instincts would inject
// (none are at full confidence); the default 0.7 injects the four 0.9s.
const hex = await runScript(path.join(scriptsDir, 'session-start.js'), '', { ...baseEnv, ECC_INSTINCT_CONFIDENCE_THRESHOLD: '0x1' });
assert.strictEqual(hex.code, 0);
assert.ok(hex.stderr.includes('Injecting 4 instinct(s)'), `hex threshold (0x1) should fall back to the 0.7 default and inject the four 0.9 instincts, stderr: ${hex.stderr}`);
} finally {
fs.rmSync(isoHome, { recursive: true, force: true });
}
})
)
passed++;
else failed++;
if (
await asyncTest('ranks stack-relevant instincts above higher-confidence unrelated ones (#2371)', async () => {
const isoHome = fs.mkdtempSync(path.join(os.tmpdir(), 'ecc-instinct-relevance-'));
const homunculusDir = path.join(isoHome, 'homunculus');
const instinctsDir = path.join(homunculusDir, 'instincts', 'personal');
fs.mkdirSync(instinctsDir, { recursive: true });
// A stack-matching 0.75 instinct and an unrelated higher-confidence 0.9.
fs.writeFileSync(
path.join(instinctsDir, 'terraform-first.md'),
'---\nid: terraform-first\nconfidence: 0.75\ndomain: terraform\n---\n## Action\nRun terraform plan before every apply.\n'
);
fs.writeFileSync(
path.join(instinctsDir, 'unrelated-high.md'),
'---\nid: unrelated-high\nconfidence: 0.9\ndomain: python\n---\n## Action\nPin Python dependencies in requirements.txt.\n'
);
// A project root that detects as terraform via a *.tf marker.
const projectRoot = fs.mkdtempSync(path.join(os.tmpdir(), 'ecc-tf-project-'));
fs.writeFileSync(path.join(projectRoot, 'main.tf'), 'resource "null_resource" "x" {}\n');
const baseEnv = {
HOME: isoHome,
USERPROFILE: isoHome,
CLV2_HOMUNCULUS_DIR: homunculusDir,
CLAUDE_PROJECT_DIR: projectRoot,
ECC_INSTINCT_RELEVANCE_RANKING: 'on',
ECC_INSTINCT_CONFIDENCE_THRESHOLD: '0.7',
ECC_MAX_INJECTED_INSTINCTS: '6',
};
try {
const on = await runScript(path.join(scriptsDir, 'session-start.js'), '', baseEnv);
assert.strictEqual(on.code, 0);
const ctxOn = getSessionStartAdditionalContext(on.stdout);
const tfOn = ctxOn.indexOf('Run terraform plan before every apply.');
const pyOn = ctxOn.indexOf('Pin Python dependencies in requirements.txt.');
assert.ok(tfOn !== -1 && pyOn !== -1, `both instincts should inject, ctx: ${ctxOn}`);
assert.ok(tfOn < pyOn, `stack-matching 0.75 should rank above unrelated 0.9 when relevance is on, ctx: ${ctxOn}`);
// Opting out restores pure confidence ordering (0.9 before 0.75).
const off = await runScript(path.join(scriptsDir, 'session-start.js'), '', {
...baseEnv,
ECC_INSTINCT_RELEVANCE_RANKING: 'off',
});
assert.strictEqual(off.code, 0);
const ctxOff = getSessionStartAdditionalContext(off.stdout);
const tfOff = ctxOff.indexOf('Run terraform plan before every apply.');
const pyOff = ctxOff.indexOf('Pin Python dependencies in requirements.txt.');
assert.ok(tfOff !== -1 &&
10BC8
amp; pyOff !== -1, `both instincts should still inject, ctx: ${ctxOff}`);
assert.ok(pyOff < tfOff, `with ranking off, higher-confidence 0.9 should rank first, ctx: ${ctxOff}`);
} finally {
fs.rmSync(isoHome, { recursive: true, force: true });
fs.rmSync(projectRoot, { recursive: true, force: true });
}
})
)
passed++;
else failed++;
if (
await asyncTest('disables session-start additional context when requested', async () => {
const isoHome = fs.mkdtempSync(path.join(os.tmpdir(), 'ecc-disabled-start-'));
const sessionsDir = getLegacySessionsDir(isoHome);
fs.mkdirSync(sessionsDir, { recursive: true });
fs.mkdirSync(path.join(isoHome, '.claude', 'skills', 'learned'), { recursive: true });
const sessionFile = path.join(sessionsDir, '2026-02-11-disabled-session.tmp');
fs.writeFileSync(sessionFile, '# Disabled Session\n\nDO_NOT_INJECT_THIS\n');
try {
const result = await runScript(path.join(scriptsDir, 'session-start.js'), '', {
HOME: isoHome,
USERPROFILE: isoHome,
ECC_SESSION_START_CONTEXT: 'off'
});
assert.strictEqual(result.code, 0);
const additionalContext = getSessionStartAdditionalContext(result.stdout);
assert.strictEqual(additionalContext, '', 'Should emit no additional context when disabled');
assert.ok(result.stderr.includes('Additional context injection disabled'), `Should log disabled mode, stderr: ${result.stderr}`);
} finally {
fs.rmSync(isoHome, { recursive: true, force: true });
}
})
)
passed++;
else failed++;
if (
await asyncTest('prefers canonical session-data content over legacy duplicates', async () => {
const isoHome = fs.mkdtempSync(path.join(os.tmpdir(), 'ecc-canonical-start-'));
const canonicalDir = getCanonicalSessionsDir(isoHome);
const legacyDir = getLegacySessionsDir(isoHome);
const now = new Date();
const filename = `${now.toISOString().slice(0, 10)}-dupe1234-session.tmp`;
const canonicalFile = path.join(canonicalDir, filename);
const legacyFile = path.join(legacyDir, filename);
const canonicalTime = new Date(now.getTime() - 60 * 1000);
const legacyTime = new Date(canonicalTime.getTime());
fs.mkdirSync(canonicalDir, { recursive: true });
fs.mkdirSync(legacyDir, { recursive: true });
fs.mkdirSync(path.join(isoHome, '.claude', 'skills', 'learned'), { recursive: true });
fs.writeFileSync(canonicalFile, buildSessionStartFixture('Use the canonical session-data copy.', { title: '# Canonical Session' }));
fs.writeFileSync(legacyFile, buildSessionStartFixture('Do not prefer the legacy duplicate.', { title: '# Legacy Session' }));
fs.utimesSync(canonicalFile, canonicalTime, canonicalTime);
fs.utimesSync(legacyFile, legacyTime, legacyTime);
try {
const result = await runScript(path.join(scriptsDir, 'session-start.js'), '', {
HOME: isoHome,
USERPROFILE: isoHome
});
assert.strictEqual(result.code, 0);
const additionalContext = getSessionStartAdditionalContext(result.stdout);
assert.ok(additionalContext.includes('canonical session-data copy'));
assert.ok(!additionalContext.includes('legacy duplicate'));
} finally {
fs.rmSync(isoHome, { recursive: true, force: true });
}
})
)
passed++;
else failed++;
if (
await asyncTest('strips ANSI escape codes from injected session content', async () => {
const isoHome = fs.mkdtempSync(path.join(os.tmpdir(), 'ecc-ansi-start-'));
const sessionsDir = getLegacySessionsDir(isoHome);
fs.mkdirSync(sessionsDir, { recursive: true });
fs.mkdirSync(path.join(isoHome, '.claude', 'skills', 'learned'), { recursive: true });
const sessionFile = path.join(sessionsDir, '2026-02-11-winansi00-session.tmp');
fs.writeFileSync(sessionFile, buildSessionStartFixture('I worked on \x1b[1;36mWindows terminal handling\x1b[0m.\x1b[K', { title: '\x1b[H\x1b[2J\x1b[3J# Real Session' }));
try {
const result = await runScript(path.join(scriptsDir, 'session-start.js'), '', {
HOME: isoHome,
USERPROFILE: isoHome
});
assert.strictEqual(result.code, 0);
const additionalContext = getSessionStartAdditionalContext(result.stdout);
assert.ok(additionalContext.includes('HISTORICAL REFERENCE ONLY'), 'Should wrap injected session with the stale-replay guard preamble');
assert.ok(additionalContext.includes('Windows terminal handling'), 'Should preserve sanitized session text');
assert.ok(!additionalContext.includes('\x1b['), 'Should not emit ANSI escape codes');
} finally {
fs.rmSync(isoHome, { recursive: true, force: true });
}
})
)
passed++;
else failed++;
if (
await asyncTest('skips prior session summary on Desktop SessionStart resume', async () => {
const isoHome = fs.mkdtempSync(path.join(os.tmpdir(), 'ecc-resume-start-'));
const sessionsDir = getCanonicalSessionsDir(isoHome);
fs.mkdirSync(sessionsDir, { recursive: true });
fs.mkdirSync(path.join(isoHome, '.claude', 'skills', 'learned'), { recursive: true });
const sessionFile = path.join(sessionsDir, '2026-02-11-resume00-session.tmp');
fs.writeFileSync(sessionFile, buildSessionStartFixture(RESUME_SESSION_SENTINEL));
try {
const result = await runScript(path.join(scriptsDir, 'session-start.js'), JSON.stringify({ hookName: 'SessionStart:resume' }), { HOME: isoHome, USERPROFILE: isoHome });
assert.strictEqual(result.code, 0);
const additionalContext = getSessionStartAdditionalContext(result.stdout);
assert.ok(!additionalContext.includes('HISTORICAL REFERENCE ONLY'), 'Should not inject a previous summary on resume');
assert.ok(!additionalContext.includes(RESUME_SESSION_SENTINEL), 'Should not inject resume session content');
assert.ok(result.stderr.includes('non-startup SessionStart mode: resume'), `Should log skip reason, stderr: ${result.stderr}`);
} finally {
fs.rmSync(isoHome, { recursive: true, force: true });
}
})
)
passed++;
else failed++;
if (
await asyncTest('skips prior session summary on CLI SessionStart resume', async () => {
const isoHome = fs.mkdtempSync(path.join(os.tmpdir(), 'ecc-cli-resume-start-'));
const sessionsDir = getCanonicalSessionsDir(isoHome);
fs.mkdirSync(sessionsDir, { recursive: true });
fs.mkdirSync(path.join(isoHome, '.claude', 'skills', 'learned'), { recursive: true });
const sessionFile = path.join(sessionsDir, '2026-02-11-clires00-session.tmp');
fs.writeFileSync(sessionFile, buildSessionStartFixture(CLI_RESUME_SESSION_SENTINEL));
try {
const result = await runScript(path.join(scriptsDir, 'session-start.js'), JSON.stringify({ hook_event_name: 'SessionStart', source: 'resume' }), { HOME: isoHome, USERPROFILE: isoHome });
assert.strictEqual(result.code, 0);
const additionalContext = getSessionStartAdditionalContext(result.stdout);
assert.ok(!additionalContext.includes(CLI_RESUME_SESSION_SENTINEL), 'Should not inject CLI resume session content');
assert.ok(result.stderr.includes('non-startup SessionStart mode: resume'), `Should log skip reason, stderr: ${result.stderr}`);
} finally {
fs.rmSync(isoHome, { recursive: true, force: true });
}
})
)
passed++;
else failed++;
if (
await asyncTest('skips prior session summary on clear SessionStart payloads', async () => {
const isoHome = fs.mkdtempSync(path.join(os.tmpdir(), 'ecc-clear-start-'));
const sessionsDir = getCanonicalSessionsDir(isoHome);
fs.mkdirSync(sessionsDir, { recursive: true });
fs.mkdirSync(path.join(isoHome, '.claude', 'skills', 'learned'), { recursive: true });
const desktopFile = path.join(sessionsDir, '2026-02-11-deskclear-session.tmp');
fs.writeFileSync(desktopFile, buildSessionStartFixture(`${DESKTOP_CLEAR_SESSION_SENTINEL}\n${CLI_CLEAR_SESSION_SENTINEL}`));
try {
const desktopResult = await runScript(path.join(scriptsDir, 'session-start.js'), JSON.stringify({ hookName: 'SessionStart:clear' }), { HOME: isoHome, USERPROFILE: isoHome });
assert.strictEqual(desktopResult.code, 0);
const desktopContext = getSessionStartAdditionalContext(desktopResult.stdout);
assert.ok(!desktopContext.includes(DESKTOP_CLEAR_SESSION_SENTINEL), 'Should not inject Desktop clear session content');
const cliResult = await runScript(path.join(scriptsDir, 'session-start.js'), JSON.stringify({ hook_event_name: 'SessionStart', source: 'clear' }), { HOME: isoHome, USERPROFILE: isoHome });
assert.strictEqual(cliResult.code, 0);
const cliContext = getSessionStartAdditionalContext(cliResult.stdout);
assert.ok(!cliContext.includes(CLI_CLEAR_SESSION_SENTINEL), 'Should not inject CLI clear session content');
assert.ok(cliResult.stderr.includes('non-startup SessionStart mode: clear'), `Should log clear skip reason, stderr: ${cliResult.stderr}`);
} finally {
fs.rmSync(isoHome, { recursive: true, force: true });
}
})
)
passed++;
else failed++;
if (
await asyncTest('does not log malformed SessionStart stdin content while skipping prior summary', async () => {
const isoHome = fs.mkdtempSync(path.join(os.tmpdir(), 'ecc-invalid-start-'));
const sessionsDir = getCanonicalSessionsDir(isoHome);
fs.mkdirSync(sessionsDir, { recursive: true });
fs.mkdirSync(path.join(isoHome, '.claude', 'skills', 'learned'), { recursive: true });
const sessionFile = path.join(sessionsDir, '2026-02-11-invalid-session.tmp');
fs.writeFileSync(sessionFile, buildSessionStartFixture(INVALID_STDIN_SESSION_SENTINEL));
const malformedPayload = `{"hookName":"SessionStart:resume","secret":"${INVALID_STDIN_LOG_SENTINEL}"`;
try {
const result = await runScript(path.join(scriptsDir, 'session-start.js'), malformedPayload, {
HOME: isoHome,
USERPROFILE: isoHome
});
assert.strictEqual(result.code, 0);
const additionalContext = getSessionStartAdditionalContext(result.stdout);
assert.ok(!additionalContext.includes(INVALID_STDIN_SESSION_SENTINEL), 'Should not inject session content after malformed stdin');
assert.ok(result.stderr.includes('Invalid stdin payload'), `Should log invalid stdin payload, stderr: ${result.stderr}`);
assert.ok(result.stderr.includes(`Length: ${malformedPayload.length}`), `Should log payload length only, stderr: ${result.stderr}`);
assert.ok(!result.stderr.includes(INVALID_STDIN_LOG_SENTINEL), 'Should not leak raw malformed stdin content');
} finally {
fs.rmSync(isoHome, { recursive: true, force: true });
}
})
)
passed++;
else failed++;
if (
await asyncTest('does not fall back to unrelated recent session content', async () => {
const isoHome = fs.mkdtempSync(path.join(os.tmpdir(), 'ecc-cross-project-start-'));
const sessionsDir = getCanonicalSessionsDir(isoHome);
fs.mkdirSync(sessionsDir, { recursive: true });
fs.mkdirSync(path.join(isoHome, '.claude', 'skills', 'learned'), { recursive: true });
const sessionFile = path.join(sessionsDir, '2026-02-11-crossproj-session.tmp');
fs.writeFileSync(
sessionFile,
buildSessionStartFixture(CROSS_PROJECT_SESSION_SENTINEL, {
project: 'different-project',
worktree: path.join(os.tmpdir(), 'different-project')
})
);
try {
const result = await runScript(path.join(scriptsDir, 'session-start.js'), '', {
HOME: isoHome,
USERPROFILE: isoHome
});
assert.strictEqual(result.code, 0);
const additionalContext = getSessionStartAdditionalContext(result.stdout);
assert.ok(!additionalContext.includes(CROSS_PROJECT_SESSION_SENTINEL), 'Should not inject unrelated newest session content');
assert.ok(result.stderr.includes('No worktree/project session match found'), `Should log no-match reason, stderr: ${result.stderr}`);
} finally {
fs.rmSync(isoHome, { recursive: true, force: true });
}
})
)
passed++;
else failed++;
if (
await asyncTest('does not inject same-project sessions from a different explicit worktree', async
7755
() => {
const isoHome = fs.mkdtempSync(path.join(os.tmpdir(), 'ecc-cross-worktree-start-'));
const sessionsDir = getCanonicalSessionsDir(isoHome);
fs.mkdirSync(sessionsDir, { recursive: true });
fs.mkdirSync(path.join(isoHome, '.claude', 'skills', 'learned'), { recursive: true });
const sessionFile = path.join(sessionsDir, '2026-02-11-crosswt-session.tmp');
fs.writeFileSync(
sessionFile,
buildSessionStartFixture(CROSS_WORKTREE_PROJECT_SENTINEL, {
worktree: path.join(os.tmpdir(), 'same-project-different-worktree')
})
);
try {
const result = await runScript(path.join(scriptsDir, 'session-start.js'), '', {
HOME: isoHome,
USERPROFILE: isoHome
});
assert.strictEqual(result.code, 0);
const additionalContext = getSessionStartAdditionalContext(result.stdout);
assert.ok(!additionalContext.includes(CROSS_WORKTREE_PROJECT_SENTINEL), 'Should not inject same-project content from another worktree');
} finally {
fs.rmSync(isoHome, { recursive: true, force: true });
}
})
)
passed++;
else failed++;
if (
await asyncTest('allows project fallback only for legacy sessions without worktree metadata', async () => {
const isoHome = fs.mkdtempSync(path.join(os.tmpdir(), 'ecc-project-only-start-'));
const sessionsDir = getCanonicalSessionsDir(isoHome);
fs.mkdirSync(sessionsDir, { recursive: true });
fs.mkdirSync(path.join(isoHome, '.claude', 'skills', 'learned'), { recursive: true });
const sessionFile = path.join(sessionsDir, '2026-02-11-projectonly-session.tmp');
fs.writeFileSync(sessionFile, buildSessionStartFixture(PROJECT_ONLY_SESSION_SENTINEL, { worktree: '' }));
try {
const result = await runScript(path.join(scriptsDir, 'session-start.js'), '', {
HOME: isoHome,
USERPROFILE: isoHome
});
assert.strictEqual(result.code, 0);
const additionalContext = getSessionStartAdditionalContext(result.stdout);
assert.ok(additionalContext.includes(PROJECT_ONLY_SESSION_SENTINEL), 'Should still inject legacy same-project sessions');
assert.ok(result.stderr.includes('(match: project)'), `Should report project fallback, stderr: ${result.stderr}`);
} finally {
fs.rmSync(isoHome, { recursive: true, force: true });
}
})
)
passed++;
else failed++;
if (
await asyncTest('injects a same-repository session recorded in a different worktree (#3160)', async () => {
const isoHome = fs.mkdtempSync(path.join(os.tmpdir(), 'ecc-3160-samerepo-home-'));
const sessionsDir = getCanonicalSessionsDir(isoHome);
fs.mkdirSync(sessionsDir, { recursive: true });
fs.mkdirSync(path.join(isoHome, '.claude', 'skills', 'learned'), { recursive: true });
const repoBase = fs.mkdtempSync(path.join(os.tmpdir(), 'ecc-3160-samerepo-'));
const { worktrees } = initGitRepoWithWorktrees(repoBase, ['wt-a', 'wt-b']);
const sessionFile = path.join(sessionsDir, '2026-02-11-samerepo-session.tmp');
fs.writeFileSync(
sessionFile,