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docs/agents/validation/02-database-validation.md

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+# Validation Report Template
+
+## Validator
+
+Name: Codex Validation Agent
+
+Stage Reviewed: Agent 02 - Database And Migrations
+
+Date: 2026-04-14
+
+## Reviewed Inputs
+
+- `/Users/delete/projects/update_server/docs/agents/WORKFLOW.md`
+- `/Users/delete/projects/update_server/PRODUCT_SPEC.md`
+- `/Users/delete/projects/update_server/IMPLEMENTATION_PLAN.md`
+- `/Users/delete/projects/update_server/DEVELOPMENT_WORKFLOW.md`
+- `/Users/delete/projects/update_server/docs/agents/OPERATOR_QUICKSTART_RU.md`
+- `/Users/delete/projects/update_server/docs/agents/handoffs/02-database.md`
+- previous validation report: `/Users/delete/projects/update_server/docs/agents/validation/01-foundation-validation.md`
+- implementation files under `cmd/migrate`, `internal/db`, `internal/config`, `internal/app`, `internal/http`, and `migrations`
+- `.gitignore` and `Justfile`
+- `GOCACHE=/tmp/go-build-agent02 GOMODCACHE=/tmp/go-mod-agent02 go test ./...` -> passed
+- `GOCACHE=/tmp/go-build-agent02 GOMODCACHE=/tmp/go-mod-agent02 go build -o /tmp/update-server-agent02-bin ./cmd/server` -> passed
+- `GOCACHE=/tmp/go-build-agent02 GOMODCACHE=/tmp/go-mod-agent02 go build -o /tmp/update-migrate-agent02-bin ./cmd/migrate` -> passed
+- `DATA_DIR=/tmp/update-server-agent02 APP_BASE_URL=http://127.0.0.1:18080 /tmp/update-migrate` -> passed
+- live smoke checks against `127.0.0.1:18081` after starting `/tmp/update-server-agent02-bin` with a fresh `DATA_DIR`:
+  - `GET /healthz` -> `200 OK` with `"database":"ok"`
+  - `GET /` -> `200 OK`
+  - `GET /api/v1` -> `200 OK`
+
+## Findings
+
+No blocking findings.
+
+The stage satisfies the agreed scope:
+
+- the SQLite schema covers the required tables;
+- migrations are present and executable;
+- migration checksum tracking is implemented and tested;
+- the server startup path opens SQLite and auto-applies migrations;
+- the health endpoint now reflects database readiness.
+
+## Required Fixes
+
+None.
+
+## Optional Improvements
+
+- Add explicit tests for `scope_mode` transition guard behavior, not just incompatible access-row insertion.
+- Update the small home-page eyebrow copy from `Foundation Stage` to something database-specific for consistency.
+
+## Status
+
+`APPROVED`