wulf-pulse/.planning/phases/24-aws-route-53-dns-sync-track-changes-crud-operations-full-aud/24-03-SUMMARY.md

phase	plan	subsystem	tags	dependency-graph	tech-stack	key-files	decisions	metrics
24-aws-route-53-dns-sync-track-changes-crud-operations-full-aud	03	route53-crud-write-persistence	route53 dns crud audit validation security	requires provides affects 24-01 lib/services/route53-record-validation.ts (WRITABLE_RECORD_TYPES, validateRecordWrite, sanitizeAwsError) lib/services/route53-write-persistence.ts (createPendingAuditLog, markAuditCommitted, markAuditFailed, insertPulseCrudHistory, upsertMirrorRecord, softDeleteMirrorRecord, loadMirrorRecord) plan 24-05 (CRUD routes will import both modules directly)	added patterns pending -> committed/failed audit lifecycle (mirrors lib/services/analyzer/asset-audit/persistence.ts) closed allowlist validation (mirrors app/api/analyzer/itglue/.../apply/route.ts credential-field blocklist pattern, inverted to an allowlist)	created modified lib/services/route53-record-validation.ts lib/services/route53-record-validation.test.ts lib/services/route53-write-persistence.ts lib/services/route53-write-persistence.test.ts .planning/phases/24-aws-route-53-dns-sync-track-changes-crud-operations-full-aud/deferred-items.md	ValidateRecordWriteInput fields are optional (name?, type?) rather than required, since the whole point of the validator is to accept untrusted/arbitrary request-body shapes at runtime — TypeScript's structural typing otherwise blocked constructing test payloads that omit a field to prove the runtime check fires	duration_minutes tasks_completed files_created files_modified test_assertions_added completed 25 2 4 1 32 2026-08-06

Phase 24 Plan 03: Record Validation and Write-Persistence Summary

Server-side D-01 record-type allowlist validator + AWS error sanitizer, and the pending -> committed/failed audit lifecycle with pulse_crud history persistence that the plan 24-05 CRUD routes will depend on.

What Was Built

lib/services/route53-record-validation.ts

• WRITABLE_RECORD_TYPES: frozen array of exactly ['A', 'AAAA', 'CNAME', 'MX', 'TXT', 'SRV'] — a closed allowlist. NS/SOA appear nowhere in this array; they only appear inside the rejection branch's ZONE_DELEGATION_TYPES set and its explicit reason message.
• validateRecordWrite(input): validates name (trim/lowercase/trailing-dot normalization), type (case-insensitive uppercase match against the allowlist, explicit delegation-aware rejection reason for NS/SOA, generic rejection for any other unlisted type such as CAA/DS), ttl (integer 0..2147483647, default 300), and resourceRecords (non-empty array, each entry a non-empty string value, capped at 100 entries — T-24-12 DoS guard). No AWS SDK or Postgres import — confirmed by grep -c "@aws-sdk\|postgres-client" returning 0.
• sanitizeAwsError(err): redacts AKIA-prefixed access key ids, arn:aws:* substrings, and 12-digit AWS account ids, then truncates to 500 characters. Never throws, even on non-Error input.
• 23 test assertions cover every <behavior> bullet including case-insensitivity (NS/ns), the closed-allowlist rejection of an unlisted type (CAA, DS), TTL boundary values, and the sanitizer stripping both an example AWS key id and ARN from a single error message.

lib/services/route53-write-persistence.ts

• createPendingAuditLog / markAuditCommitted / markAuditFailed: the three-function pending -> committed/failed shape mirrored from lib/services/analyzer/asset-audit/persistence.ts. createPendingAuditLog must be awaited before any AWS ChangeResourceRecordSetsCommand is constructed by the (future) CRUD routes. markAuditFailed always routes the error through sanitizeAwsError — never a raw error object or JSON.stringify(err).
• insertPulseCrudHistory: writes a source='pulse_crud' row to route53_record_history. Documented directly above the function that it must only be called after markAuditCommitted — a failed AWS attempt gets an audit row but no history row.
• upsertMirrorRecord / softDeleteMirrorRecord: best-effort refresh/soft-delete of the route53_records mirror after a committed write. Wrapped in try/catch, logged with a [ROUTE53-WRITE] prefix via sanitizeAwsError, never thrown — the AWS write already succeeded and the next incremental sync reconciles regardless. Confirmed grep -c 'DELETE FROM route53_records' returns 0 — soft-delete only (D-08).
• loadMirrorRecord: manual snake_case -> camelCase transform (no ORM, per CLAUDE.md) of the current mirror row, supplying before_value and the exact TTL/value set a Route 53 DELETE needs to match.
• 9 test assertions against a mocked postgresClient (same vi.mock style as pax8-sync-service.test.ts) verify: the pending INSERT contains 'pending', the committed/ failed UPDATEs contain their respective status literals, markAuditFailed's bound parameters never contain a raw AWS key id, insertPulseCrudHistory binds the literal 'pulse_crud', softDeleteMirrorRecord never issues DELETE FROM, both mirror helpers resolve (never throw) even when the underlying query rejects, and loadMirrorRecord correctly transforms a found row / returns null when absent.

Verification

• npx vitest run lib/services/route53-record-validation.test.ts lib/services/route53-write-persistence.test.ts — 32/32 passed
• npx tsc --noEmit --pretty — exits 0
• npm test (full suite) — 499/501 passed; 2 pre-existing failures in lib/services/analyzer/itglue-search.test.ts, unrelated to this plan (see Deferred Issues)
• grep -c "'NS'\|'SOA'" lib/services/route53-record-validation.ts — 1 (only inside the rejection Set/reason, never inside WRITABLE_RECORD_TYPES)
• grep -c "@aws-sdk\|postgres-client" lib/services/route53-record-validation.ts — 0
• grep -c 'DELETE FROM route53_records' lib/services/route53-write-persistence.ts — 0
• grep -q 'sanitizeAwsError' lib/services/route53-write-persistence.ts — found
• grep -c "'pulse_crud'" lib/services/route53-write-persistence.ts — 2

Deviations from Plan

None — plan executed exactly as written, aside from one non-substantive typing adjustment:

1. [Rule 3 - blocking issue] ValidateRecordWriteInput fields made optional

• Found during: Task 1, npx tsc --noEmit --pretty
• Issue: The plan's signature validateRecordWrite(input: { name: unknown; type: unknown; ... }) requires the name/type properties to be present (even though typed unknown). A behavior test intentionally omits name to prove the runtime "missing name" rejection fires — TypeScript's structural typing blocked constructing that test payload.
• Fix: Made name?: unknown and type?: unknown optional in the internal ValidateRecordWriteInput interface. Runtime behavior is unchanged (the function still checks typeof input.name !== 'string', which already covers undefined).
• Files modified: lib/services/route53-record-validation.ts
• Commit: 4be4a19

Deferred Issues

None specific to this plan's own code. Two pre-existing, unrelated npm test failures in lib/services/analyzer/itglue-search.test.ts were re-observed during full-suite verification and logged (not fixed, out of scope) in deferred-items.md under both the original Plan 24-01 entry and a new Plan 24-03 entry.

Self-Check: PASSED

• FOUND: lib/services/route53-record-validation.ts
• FOUND: lib/services/route53-record-validation.test.ts
• FOUND: lib/services/route53-write-persistence.ts
• FOUND: lib/services/route53-write-persistence.test.ts
• FOUND commit: 4be4a19
• FOUND commit: 8b5e926