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DiunDashboard/.planning/phases/01-data-integrity/01-VERIFICATION.md

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phase, verified, status, score, re_verification
phase verified status score re_verification
01-data-integrity 2026-03-23T21:30:00Z passed 6/6 must-haves verified false

Phase 1: Data Integrity Verification Report

Phase Goal: Users can trust that their data is never silently corrupted — tag assignments survive new DIUN events, foreign key constraints are enforced, and test failures are always visible Verified: 2026-03-23T21:30:00Z Status: passed Re-verification: No — initial verification


Goal Achievement

Observable Truths

Source: ROADMAP.md Success Criteria (4 items) + must_haves from both PLANs (2 additional).

# Truth Status Evidence
1 A second DIUN event for the same image does not remove its tag assignment VERIFIED UPSERT at diunwebhook.go:115-144; TestUpdateEvent_PreservesTagOnUpsert passes
2 Deleting a tag removes all associated tag assignments (foreign key cascade enforced) VERIFIED PRAGMA at diunwebhook.go:68-70; TestDeleteTagHandler_CascadesAssignment passes
3 An oversized webhook payload (>1MB) is rejected with HTTP 413, not processed VERIFIED MaxBytesReader at diunwebhook.go:205,308,380,415; 3 oversized-body tests pass
4 A failing assertion in a test causes the test run to report failure, not pass silently VERIFIED 27 t.Fatalf calls in diunwebhook_test.go; zero silent if err != nil { return } patterns remain
5 INSERT OR REPLACE is gone from UpdateEvent() (plan 01-01 truth) VERIFIED grep count 0 for "INSERT OR REPLACE INTO updates" in diunwebhook.go
6 Full test suite passes with no regressions (plan 01-01 + 01-02 truths) VERIFIED 33/33 tests pass; coverage 63.8%

Score: 6/6 truths verified


Required Artifacts

Plan 01-01 Artifacts

Artifact Provides Status Details
pkg/diunwebhook/diunwebhook.go UPSERT in UpdateEvent(); PRAGMA foreign_keys = ON in InitDB() VERIFIED Contains "ON CONFLICT(image) DO UPDATE SET" (line 122) and "PRAGMA foreign_keys = ON" (line 68); no "INSERT OR REPLACE INTO updates"
pkg/diunwebhook/diunwebhook_test.go Regression test TestUpdateEvent_PreservesTagOnUpsert VERIFIED Function present at line 652; passes

Plan 01-02 Artifacts

Artifact Provides Status Details
pkg/diunwebhook/diunwebhook.go maxBodyBytes constant; MaxBytesReader + errors.As in 4 handler paths VERIFIED maxBodyBytes count=5 (1 const + 4 usage); MaxBytesReader count=4; errors.As count=4; StatusRequestEntityTooLarge count=4
pkg/diunwebhook/diunwebhook_test.go 3 oversized-body tests; t.Fatalf at all 6 setup sites VERIFIED TestWebhookHandler_OversizedBody (line 613), TestTagsHandler_OversizedBody (line 628), TestTagAssignmentHandler_OversizedBody (line 640) all present and passing; t.Fatalf count=27

From To Via Status Details
InitDB() PRAGMA foreign_keys = ON db.Exec immediately after db.SetMaxOpenConns(1) VERIFIED diunwebhook.go lines 67-70: SetMaxOpenConns then Exec PRAGMA before any DDL
UpdateEvent() INSERT ... ON CONFLICT(image) DO UPDATE SET db.Exec with named column list VERIFIED diunwebhook.go lines 115-144: full UPSERT with 15 named columns
From To Via Status Details
WebhookHandler http.StatusRequestEntityTooLarge (413) MaxBytesReader + errors.As(*http.MaxBytesError) VERIFIED diunwebhook.go line 205 (MaxBytesReader), lines 209-213 (errors.As + 413)
TagsHandler POST branch http.StatusRequestEntityTooLarge (413) MaxBytesReader + errors.As(*http.MaxBytesError) VERIFIED diunwebhook.go line 308, lines 312-316
TagAssignmentHandler PUT branch http.StatusRequestEntityTooLarge (413) MaxBytesReader + errors.As(*http.MaxBytesError) VERIFIED diunwebhook.go line 380, lines 385-390
TagAssignmentHandler DELETE branch http.StatusRequestEntityTooLarge (413) MaxBytesReader + errors.As(*http.MaxBytesError) VERIFIED diunwebhook.go line 415, lines 419-424
diunwebhook_test.go setup calls t.Fatalf replace if err != nil { return } with t.Fatalf VERIFIED All 3 remaining if err != nil blocks use t.Fatalf; zero silent returns

Data-Flow Trace (Level 4)

Not applicable. Phase 01 modifies persistence and HTTP handler logic — no new components rendering dynamic data are introduced. Existing data flow (WebhookHandler → UpdateEvent → SQLite → GetUpdates → UpdatesHandler → React SPA) is unchanged in structure.


Behavioral Spot-Checks

Behavior Check Result Status
No INSERT OR REPLACE remains grep -c "INSERT OR REPLACE INTO updates" 0 PASS
PRAGMA foreign_keys present once grep -c "PRAGMA foreign_keys = ON" 1 PASS
UPSERT present once grep -c "ON CONFLICT(image) DO UPDATE SET" 1 PASS
maxBodyBytes defined and used (5 occurrences) grep -c "maxBodyBytes" 5 PASS
MaxBytesReader applied in 4 handler paths grep -c "MaxBytesReader" 4 PASS
errors.As used for 413 detection (4 paths) grep -c "errors.As" 4 PASS
413 returned in 4 handler paths grep -c "StatusRequestEntityTooLarge" 4 PASS
All 33 tests pass go test ./pkg/diunwebhook/ (with Go binary) PASS (33/33, coverage 63.8%) PASS
t.Fatalf used for test setup (27 occurrences) grep -c "t.Fatalf" 27 PASS

Requirements Coverage

All four requirement IDs declared across both plans are cross-referenced against REQUIREMENTS.md.

Requirement Source Plan Description Status Evidence
DATA-01 01-01-PLAN Webhook events use proper UPSERT preserving tag assignments on re-event SATISFIED ON CONFLICT(image) DO UPDATE SET at diunwebhook.go:122; TestUpdateEvent_PreservesTagOnUpsert passes
DATA-02 01-01-PLAN SQLite FK enforcement enabled (PRAGMA foreign_keys = ON) so tag deletion cascades SATISFIED PRAGMA at diunwebhook.go:68; TestDeleteTagHandler_CascadesAssignment passes
DATA-03 01-02-PLAN Webhook and API endpoints enforce 1MB body size limit, return 413 on oversized payload SATISFIED MaxBytesReader in 4 handler paths; 3 oversized-body tests all return 413
DATA-04 01-02-PLAN Test error handling uses t.Fatal/t.Fatalf, test failures are never swallowed SATISFIED 27 t.Fatalf calls; zero silent if err != nil { return } patterns remain

Orphaned requirements check: REQUIREMENTS.md maps DATA-01, DATA-02, DATA-03, DATA-04 to Phase 1. All four are claimed by plans 01-01 and 01-02. No orphaned requirements.

Coverage: 4/4 Phase 1 requirements satisfied.


Anti-Patterns Found

File Line Pattern Severity Impact
pkg/diunwebhook/diunwebhook_test.go 359 diun.UpdateEvent(...) with no error check in TestDismissHandler_ReappearsAfterNewWebhook Info The call at line 359 is a non-setup call (it is the action under test, not setup); the test proceeds to assert state, so a failure would surface via the assertions below. Not a silent swallow of setup failure.

No blocker or warning anti-patterns found. The single info item (line 359 unchecked call) is in TestDismissHandler_ReappearsAfterNewWebhook and is the test's subject action, not a setup call — the test assertions on lines 362-369 would catch a failure.


Human Verification Required

None. All phase 01 goals are verifiable programmatically via grep patterns and test execution. No UI, visual, or real-time behaviors were added in this phase.


Gaps Summary

No gaps. All 6 truths verified, all 4 artifacts substantive and wired, all 5 key links confirmed, all 4 requirements satisfied, full test suite passes (33/33), and no blocker anti-patterns found.


Commit Traceability

All commits documented in SUMMARYs are present in git history on develop branch:

Commit Description Plan
7edbaad fix(01-01): replace INSERT OR REPLACE with UPSERT and enable FK enforcement 01-01
e2d388c test(01-01): add TestUpdateEvent_PreservesTagOnUpsert regression test 01-01
311e91d test(01-02): add failing tests for oversized body (413) - RED 01-02
98dfd76 feat(01-02): add request body size limits (1MB) to webhook and tag handlers 01-02
7bdfc5f fix(01-02): replace silent test setup returns with t.Fatalf at 6 sites 01-02

Verified: 2026-03-23T21:30:00Z Verifier: Claude (gsd-verifier)