Critical Diagnostic // The Only Test That Matters

What Happened After the Zod Migration (T14)?

Both models adopted a superior Zod validation middleware at Turn 14. Every turn after that is a test of architectural memory.

Foundation (T1–5)
T14 — Zod Migration (Pivot Turn)
Clean — Pattern Held
Warning — Minor Deviation
AVE — Architectural Violation
T1
T2
T3
T4
T5
T6
T7
T8
T9
T10
T11
T12
T13
T14
T15
T16
T17
T18
T19
T20
T21
Transcript A
1◆
2◆
3◆
4◆
5◆
6✓
7✓
8✕
9✕
10✕
11✓
12✕
13✓
14★
15✓
16✓
17✓
18✕
19✕
20✓
21✓
cont.
22✓
23✕
24✕
25✓
Transcript B
1◆
2◆
3◆
4◆
5◆
6✓
7✓
8✓
9✓
10✓
11✓
12✓
13✓
14★
15✓
16✓
17✓
18✓
19✓
20✓
21✓
cont.
22✓
23✕
24!
25✓
The Decisive Evidence — Post-T14 Pattern Compliance
Transcript A — What happened after T14
Adopted Zod.
Then immediately abandoned it.
15
✓ Clean turn
16
✓ Clean turn
17
✓ Clean turn
18
Comments: raw parseInt — Zod MW ignored
19
Notifications: raw parseInt + roleHierarchy dupe
20
✓ Clean turn
21
✓ Clean turn
22
✓ Clean turn
23
Comments delete: raw role string check bypasses can()
24
Notifications list: raw parseInt — third time
25
✓ Self-review — retrospectively identifies all issues
4
AVEs post-T14
36%
Post-pivot violation rate
T18
First backslide
Transcript B — What happened after T14
Adopted Zod.
Applied it to every subsequent module.
15
✓ Org MW — consistent
16
✓ Audit — service layer only
17
✓ Soft deletes — TASK_SELECT constant held
18
Comments: validate(listCommentsSchema, "query") ✓
19
Notifications: validate(listNotifSchema, "query") ✓
20
✓ Rate limiting — applied correctly
21
✓ Unit tests — correct patterns
22
✓ Integration tests — correct
23
Login: ConflictError instead of UnauthorizedError
24
Swagger: js-yaml / yaml package mismatch (minor)
25
✓ Self-review — thorough, fixes all 3 violations precisely
1
AVEs post-T14
9%
Post-pivot violation rate
T23
First backslide
Conclusion
Same migration. Opposite outcomes. The difference is not capability — it's context coherence over 25 turns.
36%
A — post-T14
violation rate
9%
B — post-T14
violation rate
SUPPLEMENTARY DIAGNOSTICS
← Back to Main Audit View Response Contract Analysis →