Make the placeholder migration an immutable 0000_bootstrap

The runner skips versions already recorded by filename, so replacing the
contents of the applied 0001_init.sql placeholder with the real schema
would leave upgraded databases without the new tables. Rename it to
0000_bootstrap.sql, document it as a permanent no-op, and leave
0001_init.sql free for the v1 schema as a brand-new version.

Add a test that migrates with the embedded set, then adds a fixture
0001_init.sql and proves it applies on the existing database.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

.gitea/workflows/ci.yml

@@ -0,0 +1,32 @@
+# Runs on every push and pull request (no branch filter) so feature branches,
+# their pull requests, and dev/main are all checked. Runs directly on the
+# self-hosted act_runner; no container: key.
+#
+# The Makefile is the single build definition: CI runs `make test` and
+# `make build` so it fails whenever either target would, and the binary
+# carries the Makefile's -trimpath and version-stamped -ldflags (the
+# `make build` log shows the -X main.version=... value).
+name: CI
+
+on: [push, pull_request]
+
+jobs:
+  ci:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+          cache: false
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: "22"
+
+      - name: make test
+        run: make test
+
+      - name: make build
+        run: make build

AGENTS.md

@@ -0,0 +1,143 @@
+# AGENTS.md — MealQuest agent guide
+
+This is the authoritative guide for every agent (and human) working in this
+repository. `CLAUDE.md` only imports this file. Where this guide and a general
+habit disagree, this guide wins.
+
+MealQuest is a single Go service with an embedded React PWA for one
+household. The architecture of record is [docs/ARCHITECTURE.md](docs/ARCHITECTURE.md);
+product requirements are in [design/MealQuest Requirements.md](design/MealQuest%20Requirements.md).
+
+## House rules
+
+1. **Fail fast.** Invalid configuration, input or state is an error reported
+   immediately and clearly — the service refuses to start on bad config.
+2. **No silent fallbacks.** Never substitute a default, retry quietly, or
+   swallow an error to "keep going". If something is missing, say so.
+3. **One way to do a thing.** No parallel code paths, alternative settings or
+   "just in case" options. Pick one approach and use it everywhere.
+4. **No new third-party dependency without owner approval.** Use only the
+   approved list below; anything else needs the owner's explicit yes first.
+5. **Never use `tea`.** The Gitea CLI on this host is authenticated as the
+   human owner. Agents act only through their own Gitea identities.
+
+## Approved dependencies (from CTXD)
+
+Backend:
+
+- Go 1.25, built with `CGO_ENABLED=0`.
+- `github.com/go-chi/chi/v5` — HTTP router.
+- `modernc.org/sqlite` — CGO-free SQLite driver.
+- `sqlc` — query code generation (dev tool only).
+- `github.com/coreos/go-oidc/v3` — OIDC (Authentik).
+- `golang.org/x/oauth2` and `golang.org/x/oauth2/google`.
+- `github.com/SherClockHolmes/webpush-go` — Web Push.
+- `golang.org/x/image` — photo processing.
+- `github.com/oklog/ulid/v2` — IDs.
+- Standard library `log/slog` and `net/http`.
+- **Not allowed:** LLM vendor SDKs, Google API SDKs (call the HTTP APIs
+  directly), goose, golang-migrate.
+
+Frontend:
+
+- React 19, TypeScript, Vite.
+- React Router 7, TanStack Query 5.
+- `vite-plugin-pwa`.
+- `lucide-react` icons at stroke width 2.75.
+- CSS Modules over the design tokens in
+  [tokens.css](design/MealQuest%20UI%20Designs/design_handoff_mealquest/tokens.css).
+  **No Tailwind, no Framer Motion, no hard-coded hex colours.**
+- Self-hosted fonts: Bagel Fat One and Figtree.
+- Tests: Vitest, Testing Library, jsdom.
+
+## Quality floor
+
+Every change must pass all of these before review (CI in
+[.gitea/workflows/ci.yml](.gitea/workflows/ci.yml) enforces them):
+
+```sh
+gofmt -l .            # must print nothing
+go vet ./...
+go test -race ./...
+cd web && npm run typecheck && npm test && npm run build
+```
+
+And the build entry points in the [Makefile](Makefile) and [Dockerfile](Dockerfile):
+
+```sh
+make test
+make build
+docker build .
+```
+
+Lint proves code parses, not that it works: where a change has runtime
+behaviour, exercise it (hit the endpoint, render the page).
+
+## Repository layout
+
+| Path | Purpose |
+| --- | --- |
+| `cmd/server` | Entry point. Wiring only — no business logic. |
+| `internal/config` | `MEALQUEST_*` environment config; secrets from `*_FILE`. |
+| `internal/server` | HTTP server, routes, `/health`. |
+| `internal/frontend` | `go:embed` of the built PWA with SPA fallback. |
+| `internal/*` (planned) | `auth`, `db`, `store`, `secretbox`, `household`, `dinners`, `recipes`, `ai/llm`, `ai/harness`, `ai/skills`, `suggest`, `plan`, `shopping`, `ideas`, `gcal`, `notify`, `push`, `chat`, `jobs`, `scheduler`. |
+| `migrations/` | SQL migrations (planned). |
+| `web/` | React PWA source. |
+| `deploy/` | Deployment files (planned). |
+| `docs/` | Project documentation, including [ARCHITECTURE.md](docs/ARCHITECTURE.md). |
+| `design/` | Requirements and UI handoff. **Read-only reference** — do not edit. |
+| `Dockerfile` | Multi-stage image build, at the repository root. |
+| `Makefile` | `dev`, `test`, `build`, `docker`. |
+| `.gitea/workflows/ci.yml` | CI quality floor. |
+
+Design references:
+
+- [design/MealQuest Requirements.md](design/MealQuest%20Requirements.md)
+- [design/MealQuest UI Designs/design_handoff_mealquest/README.md](design/MealQuest%20UI%20Designs/design_handoff_mealquest/README.md)
+- [design/MealQuest UI Designs/design_handoff_mealquest/tokens.css](design/MealQuest%20UI%20Designs/design_handoff_mealquest/tokens.css)
+
+## Branches, pull requests and merges
+
+- Integration branch is `dev`. `main` is the release branch.
+- **Feature branches:** `feature/<feature-uuid>-<slug>`, branched from `dev`.
+- **Task branches:** `task/<slug>_<task-uuid>`, branched from the feature branch.
+- Task pull requests **squash-merge into the feature branch**.
+- The feature pull request merges into `dev`.
+- **Only `overseer` merges `dev` → `main`** (a release).
+- Never push directly to `dev` or `main`.
+- Authors never review, approve, merge or close their own work.
+- Never store credentials in the repository; environment or ignored files only.
+
+## Where context lives and where work is tracked
+
+- **Context:** CTXD project `mealquest` — client guide at
+  <https://ctxd.cubecraftcreations.com>. Project documents: `CONTEXT.MD`
+  (architecture), `DECISIONS.MD` (decision log, e.g. D-021), `RUNBOOKS.MD`,
+  `PROMPTS.MD`, `GLOSSARY.MD`.
+- **Work tracking:** Maestro at <https://maestro.cubecraftlabs.com>,
+  workspace **Maniacs-Mansion** → project **MealQuest**. Every change has a
+  task with a verifiable done-condition.
+
+## Vocabulary (GLOSSARY)
+
+Use these product terms in code names, UI copy, docs and commit messages. Do
+not invent synonyms.
+
+| Term | Meaning |
+| --- | --- |
+| **Regulars** | Dinners the household makes routinely. |
+| **Side quest** | An AI-suggested new dinner to try. |
+| **Quest log** | The to-try pool of accepted Side quests, scheduled later. |
+| **Try it / Pass** | Accept (swipe right) / decline (swipe left) a suggestion. |
+| **Rotation check** / **"Keep it in rotation?"** | The prompt after a Quest-log dinner is tried, asking whether it becomes a Regular. Promotion is always the household's choice, never automatic. |
+| **Supply run** | The current week's shopping list, grouped by dinner. |
+| **Supply archive** | The blog-style history of past shopping lists (by week, month, year). |
+| **Draft board** | The mobile weekly plan layout the AI drafts for the household to adjust. |
+| **Rebuild week** | Ask the AI to redraft the week's plan. |
+| **Push to Calendar** | Push the plan one-way to Google Calendar. |
+| **Quick dinner** | Cooked in a crock pot **or** 30 minutes or less from prep to table. |
+| **Cook from what I have** | Ideas from a list of ingredients on hand. |
+| **Kitchen reading mode** | Tablet recipe view: large text, ingredient checkboxes, step-by-step. |
+| **"Why this?"** | The reason shown for a suggestion, referencing the household's Regulars. |
+| **Our kitchen / Shared household** | The single shared household identity; no per-person profiles. |

CLAUDE.md

@@ -0,0 +1 @@
+@AGENTS.md

README.md

@@ -0,0 +1,56 @@
+# MealQuest
+
+MealQuest is a mobile-first Progressive Web App for weekly dinner planning for
+one household. The household lists the dinners it makes regularly, an AI
+assistant suggests new dinners to try (swipe "Try it" or "Pass"), and the app
+builds a weekly plan, pushes it to Google Calendar, and generates a shopping
+list grouped by dinner, kept as a browsable weekly history. It ships as a
+single Go service with the React PWA embedded in the binary.
+
+> Status: this repository is the Feature 01 scaffold (Go service with
+> `/health`, embedded PWA skeleton, Makefile, Dockerfile, CI). The planned
+> application is described in [docs/ARCHITECTURE.md](docs/ARCHITECTURE.md).
+
+## Quick start
+
+Requirements: Go 1.25 and Node.js `^22.22.2 || ^24.15.0 || >=26.0.0` — that
+is, 22.22.2 or later on the 22 line, 24.15.0 or later on the 24 line, or 26.0.0
+or later. Node.js 23, 24.0–24.14 and 25 are not supported: this is the
+`engines` range of jsdom in the committed lockfile, the strictest of all the
+web dependencies.
+
+```sh
+(cd web && npm ci)
+mkdir -p ~/.mealquest-dev   # outside the repository: it holds a secret
+chmod 700 ~/.mealquest-dev
+head -c 32 /dev/urandom | base64 > ~/.mealquest-dev/secret_key
+chmod 600 ~/.mealquest-dev/secret_key
+export MEALQUEST_HTTP_ADDR=:8080
+export MEALQUEST_PUBLIC_URL=http://localhost:5173
+export MEALQUEST_DATA_DIR="$HOME/.mealquest-dev"
+export MEALQUEST_SHUTDOWN_TIMEOUT=10s
+export MEALQUEST_SECRET_KEY_FILE="$HOME/.mealquest-dev/secret_key"
+make dev
+```
+
+`make dev` runs the Go server on `:8080` and the Vite dev server on `:5173`
+(which proxies `/api`, `/auth` and `/media` to `:8080`). Open
+http://localhost:5173. Configuration is environment-only and fails fast:
+every variable above is required, and secrets are read only from files named
+by `*_FILE` variables.
+
+## Common commands
+
+| Command        | What it does                                                    |
+| -------------- | --------------------------------------------------------------- |
+| `make dev`     | Go server plus Vite dev server.                                 |
+| `make test`    | `gofmt` check, `go vet`, `go test -race`, web typecheck and tests. |
+| `make build`   | Build the PWA, embed it, build the static binary `bin/mealquest`. |
+| `make docker`  | Build the container image from the root `Dockerfile`.           |
+
+## Where to read next
+
+- [AGENTS.md](AGENTS.md) — house rules, approved dependencies, conventions.
+- [docs/ARCHITECTURE.md](docs/ARCHITECTURE.md) — architecture of record.
+- [design/MealQuest Requirements.md](design/MealQuest%20Requirements.md) — product requirements.
+- [design/MealQuest UI Designs/design_handoff_mealquest/README.md](design/MealQuest%20UI%20Designs/design_handoff_mealquest/README.md) — UI handoff.

cmd/server/main.go

@@ -15,6 +15,8 @@ import (
 	"code.cubecraftlabs.com/Maniacs_Mansion/Meal-Quest/internal/config"
 	"code.cubecraftlabs.com/Maniacs_Mansion/Meal-Quest/internal/frontend"
 	"code.cubecraftlabs.com/Maniacs_Mansion/Meal-Quest/internal/server"
+	"code.cubecraftlabs.com/Maniacs_Mansion/Meal-Quest/internal/store"
+	"code.cubecraftlabs.com/Maniacs_Mansion/Meal-Quest/migrations"
 )
 
 // version is set at build time with -ldflags "-X main.version=<version>".
@@ -38,6 +40,19 @@ func run(cfg config.Config, logger *slog.Logger) error {
 	ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
 	defer stop()
 
+	db, err := store.Open(ctx, cfg.DataDir)
+	if err != nil {
+		return err
+	}
+	defer func() {
+		if err := db.Close(); err != nil {
+			logger.Error("close database", "error", err)
+		}
+	}()
+	if err := store.Migrate(ctx, db.Writer, migrations.FS); err != nil {
+		return err
+	}
+
 	router, err := server.NewRouter(logger, version, frontend.Assets())
 	if err != nil {
 		return err

docs/ARCHITECTURE.md

@@ -0,0 +1,235 @@
+# MealQuest architecture
+
+This mirrors the architecture section of `CONTEXT.MD` in the CTXD project
+`mealquest`, which is the source of record; if the two disagree, CTXD wins and
+this file should be updated. It describes the **planned** application. The
+repository today is the Feature 01 scaffold: `cmd/server`, `internal/config`,
+`internal/server` (`/health`), `internal/frontend` (embedded PWA with SPA
+fallback), the `web/` skeleton, `Makefile`, `Dockerfile` and CI.
+
+Decision numbers (D-NNN) refer to `DECISIONS.MD` in CTXD.
+
+## Topology
+
+```
+PWA (phone / tablet / desktop)
+   │ HTTPS
+   ▼
+Traefik v3.6 — 10.60.1.33
+   file route: mealquest-ccl.yml
+   │
+   ▼
+docker compose project "mealquest" — 10.60.1.14
+   ├── mealquest   Go service + embedded PWA, host 8090 → container 8080
+   ├── searxng     sidecar for recipe search; internal compose network
+   │               only, no published port
+   └── Litestream  SQLite replication → Synology NAS 10.60.1.50
+```
+
+One Go service serves the API, the auth flow, media and the PWA. Its SQLite
+database is replicated by Litestream to the NAS.
+
+## Repository layout
+
+| Path | Purpose |
+| --- | --- |
+| `cmd/server` | Entry point; wiring only. |
+| `internal/config` | Env-only `MEALQUEST_*` config; secrets from `*_FILE`. |
+| `internal/server` | HTTP server, router, middleware. |
+| `internal/frontend` | Embedded PWA, SPA fallback. |
+| `internal/auth` | Authentik OIDC, sessions, CSRF. |
+| `internal/db`, `internal/store` | SQLite connections, sqlc queries. |
+| `internal/secretbox` | AES-256-GCM encryption for `_ct` columns. |
+| `internal/household`, `internal/dinners`, `internal/recipes` | Domain. |
+| `internal/ai/llm`, `internal/ai/harness`, `internal/ai/skills` | AI provider adapters, skill harness, skills. |
+| `internal/suggest`, `internal/plan`, `internal/shopping`, `internal/ideas` | Feature services. |
+| `internal/gcal`, `internal/notify`, `internal/push`, `internal/chat` | Integrations. |
+| `internal/jobs`, `internal/scheduler` | Background jobs and schedules. |
+| `migrations/` | SQL migrations (no goose or golang-migrate). |
+| `web/` | React PWA. |
+| `deploy/` | Deployment files. |
+| `docs/` | Documentation. |
+| `design/` | Requirements and UI handoff (read-only reference). |
+
+## Backend stack and conventions
+
+- Go 1.25, `CGO_ENABLED=0`, a single static binary.
+- Router: `go-chi/chi/v5`. Logging: `log/slog` JSON.
+- SQLite via `modernc.org/sqlite`, with `journal_mode=WAL`,
+  `foreign_keys=ON` and `busy_timeout`. **One writer connection plus a read
+  pool.** Queries generated by `sqlc`.
+- IDs are ULIDs (`oklog/ulid/v2`).
+- Timestamps are stored in UTC; local calendar dates are `YYYY-MM-DD` strings
+  in the household timezone.
+- Configuration is environment-only (`MEALQUEST_*`). Secrets come only from
+  files named by `*_FILE` variables. Missing or invalid config stops startup.
+- Error responses always have the body
+  `{"error":{"code":"…","message":"…","retryable":false}}`.
+
+## Authentication
+
+- Authentik OIDC; the backend is a **confidential client**
+  (`coreos/go-oidc/v3`, `golang.org/x/oauth2`).
+- Session cookie `__Host-mealquest_session` (HttpOnly, Secure,
+  SameSite=Lax). Sessions expire after 30 days idle or 180 days absolute.
+- Non-GET requests require the CSRF header `X-MealQuest-CSRF`.
+- Access requires membership of the Authentik group `mealquest-admin`.
+  There is a **single role**: one shared household, no per-person profiles.
+
+## Data model
+
+Columns ending in `_ct` hold AES-256-GCM ciphertext (via `secretbox`).
+
+| Table | Holds |
+| --- | --- |
+| `household_settings` | One row: timezone, dinner_time (17:30), reminder_time (16:30), review_time (09:00), plan_draft day/time (Fri 09:00), suggestions day/time (Sun 08:00), chat_autosend day/time (Sat 08:00), onboarding_completed_at, updates_seen_at. |
+| `recipes` | A real recipe page: source_url (unique), site_name, title, total/prep/cook minutes, yield, raw_jsonld, fetched_at. |
+| `recipe_ingredients` | recipe_id, position, raw_text, name, qty, unit, note. |
+| `recipe_steps` | recipe_id, position, text. |
+| `photos` | source_url, local_path, width, height, sha256, fetched_at. |
+| `dinners` | The meal record and its lifecycle: name, normalized_name, status (`suggested` / `quest_log` / `tried` / `regular` / `archived`), origin, method, minutes_total, difficulty, cuisine, is_favorite, recipe_id, photo_id, grounding_status, updated_by. |
+| `suggestion_batches` | trigger, status, ai_run_id. |
+| `suggestions` | dinner_id, batch_id, reason, cited_regular_ids (JSON), status, decided_at. |
+| `week_plans` | week_start (unique), status (`draft` / `synced` / `changed`), ai_note, ai_run_id, calendar_synced_at. |
+| `plan_days` | plan_id, date (unique per plan), dinner_id, is_new, calendar_event_id. |
+| `rotation_reviews` | dinner_id + plan_date (unique), status, decision (`keep` / `drop` / `not_made`), decided_at, updated_by. |
+| `shopping_lists` | week_start (unique), plan_id, title, status (`current` / `archived`), sent_to_chat_at, frozen_at. |
+| `shopping_groups` / `shopping_items` | One group per dinner/day; item name, qty, needed (bool), position. |
+| `ai_settings` | One row: provider, base_url, model, temperature, system_prompt, api_key_ct, api_key_last4, key_verified_at. |
+| `recipe_search_settings` | One row: provider (`searxng` / `brave`), base_url, api_key_ct. |
+| `integrations_google` | One row: refresh_token_ct, calendar_id, calendar_name, connected_at, last_sync_error. |
+| `chat_settings` | One row: webhook_url_ct, space_label, last_test_at, last_test_status. |
+| `notification_prefs` | event (`plan_ready` / `list_ready` / `day_of_reminder` / `new_suggestions` / `rotation_review`), push, chat. |
+| `push_subscriptions` | endpoint (unique), p256dh, auth, user_agent, failure_count, last_success_at. |
+| `notification_outbox` | event_key + channel (unique), payload, status, attempts, next_attempt_at, last_error. |
+| `jobs` | kind, status, payload, result (progressive), error, timestamps. |
+| `schedule_runs` | schedule, period_key (unique). |
+| `ai_runs` | skill, skill_version, provider, model, temperature, status, latency_ms, tokens_in/out, error, redacted request/response (30-day retention). |
+| `sessions` | id_hash, subject, email, name, groups, csrf_token, created/last_seen/expires. |
+
+`recipes` holds a fetched recipe page; `dinners` holds the household's meal
+record and its lifecycle, optionally linked to a recipe and a photo.
+
+## Dinner lifecycle
+
+```
+suggested (deck) ──Try it──▶ quest_log ──planned date passes──▶ tried
+    │                            ▲                                │
+    │                            └──────── explicit decision ─────┤
+    │                                                             ├──▶ regular
+    │                                                             └──▶ archived
+    └──Pass──▶ archived (name kept for dedupe)
+```
+
+From `tried`, an explicit decision moves the dinner to `regular`, to
+`archived`, or back to `quest_log`. Promotion to `regular` is **never
+automatic** (D-021).
+
+## API surface
+
+- JSON API under `/api/v1`, using the error body above for every failure.
+  It requires the session cookie and, for non-GET requests, the
+  `X-MealQuest-CSRF` header.
+- `/auth/*` — the OIDC flow.
+- `/media/*` — cached photos.
+- `/health` — liveness.
+- Everything else serves the embedded PWA with SPA fallback.
+
+## AI layer
+
+- **Provider interface** (`ai/llm`) with adapters for OpenAI-compatible,
+  Anthropic and Ollama endpoints, called over plain HTTP — no vendor SDKs.
+- **Skill harness** (`ai/harness`): prompt layering, validation of the
+  structured output, and **one repair retry**; if the repair also fails the
+  run fails — no silent fallback. Every call is recorded in `ai_runs`.
+
+## Recipe grounding
+
+- Dinners are grounded in real recipe pages found through recipe search
+  (`searxng` or `brave`, per `recipe_search_settings`).
+- Fetching is **SSRF-safe**.
+- Recipe data is parsed from schema.org `Recipe` JSON-LD.
+- Photos are cached locally (`photos`) and processed with
+  `golang.org/x/image`.
+
+## Scheduler
+
+Times are in the household timezone. The times of `day_of_reminder`
+(`reminder_time`) and `rotation_check` (`review_time`), and the day and time
+of `suggestions_weekly`, `plan_draft` and `shopping_chat_autosend`, are
+household settings in `household_settings` (`dinner_time` is also stored
+there); the table shows their defaults. `week_rollover` and the `ai_runs`
+purge are fixed and not configurable.
+
+| Schedule | When | Does |
+| --- | --- | --- |
+| `suggestions_weekly` | Sunday 08:00 | New batch of Side quests. |
+| `plan_draft` | Friday 09:00 | AI drafts next week's plan. |
+| `shopping_chat_autosend` | Saturday 08:00 | Sends the Supply run to Google Chat. |
+| `day_of_reminder` | Daily 16:30 | Tonight's dinner reminder. |
+| `rotation_check` | Daily 09:00 | Asks "Keep it in rotation?" for tried dinners. |
+| `week_rollover` | Monday 00:05 (fixed) | Freezes last week's Supply run into the Supply archive. |
+| `ai_runs` purge | Daily (fixed) | Deletes `ai_runs` rows past 30-day retention. |
+
+Runs are recorded in `schedule_runs` and executed through `jobs`.
+
+## Notifications
+
+- Events: `plan_ready`, `list_ready`, `day_of_reminder`, `new_suggestions`,
+  `rotation_review`; each can go to Web Push and/or Google Chat per
+  `notification_prefs`.
+- Delivery goes through `notification_outbox`.
+- Web Push uses VAPID (`webpush-go`). Google Chat uses the stored incoming
+  webhook.
+
+## Google Calendar
+
+- One-way push: the app is the source of truth; edits in Google Calendar do
+  not come back.
+- Connected once with Google OAuth in Settings; one event per planned
+  dinner.
+- **Deterministic event ids**; each plan day records its
+  `calendar_event_id`.
+
+## Frontend
+
+- React 19, TypeScript, Vite, React Router 7, TanStack Query 5,
+  `vite-plugin-pwa`, `lucide-react` (stroke 2.75).
+- CSS Modules over `tokens.css`; no Tailwind, no Framer Motion, no
+  hard-coded hex. Self-hosted Bagel Fat One and Figtree.
+- Tests: Vitest, Testing Library, jsdom.
+- Offline cache for the current plan, shopping list and recipes.
+
+| Route | Screen |
+| --- | --- |
+| `/` | Home |
+| `/onboarding` | Add regular dinners |
+| `/plan` | Weekly plan (Draft board) |
+| `/plan/shopping` | Shopping list (Supply run) |
+| `/plan/shopping/archive` | Supply archive |
+| `/discover` | Swipe suggestions (Side quests) |
+| `/quick` | Quick dinners |
+| `/cook-from-pantry` | Cook from what I have |
+| `/dinner/:id` | Recipe / dinner detail (Kitchen reading mode on tablet) |
+| `/settings` | Settings home |
+| `/settings/household` | Household settings |
+| `/settings/regulars` | Regular dinners |
+| `/settings/calendar` | Google Calendar connection |
+| `/settings/notifications` | Notifications and Google Chat |
+| `/settings/ai` | Admin · AI assistant |
+
+`/settings/household`, `/settings/regulars` and `/settings/calendar` come from
+CTXD; the other routes are defined in the UI handoff.
+
+## Boundaries and gotchas
+
+- **Secrets never reach the client** — API keys, OAuth tokens and the Chat
+  webhook stay server-side, encrypted at rest.
+- **The app is the source of truth for the plan**; Google Calendar is a
+  one-way mirror.
+- **Never auto-promote to Regular** (D-021).
+- **Quick** means cooked in a crock pot **or** ≤ 30 minutes prep to table.
+- **Weeks run Monday–Sunday** in the household timezone.
+- **No silent fallbacks** — fail fast and report.
+- **iOS Web Push requires the PWA to be installed to the Home Screen**; show
+  an install hint.

go.mod

@@ -1,5 +1,20 @@
 module code.cubecraftlabs.com/Maniacs_Mansion/Meal-Quest
 
-go 1.25
+go 1.25.0
 
-require github.com/go-chi/chi/v5 v5.3.1
+require (
+	github.com/go-chi/chi/v5 v5.3.1
+	modernc.org/sqlite v1.59.0
+)
+
+require (
+	github.com/dustin/go-humanize v1.0.1 // indirect
+	github.com/google/uuid v1.6.0 // indirect
+	github.com/mattn/go-isatty v0.0.24 // indirect
+	github.com/ncruces/go-strftime v1.0.0 // indirect
+	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
+	golang.org/x/sys v0.47.0 // indirect
+	modernc.org/libc v1.75.7 // indirect
+	modernc.org/mathutil v1.7.1 // indirect
+	modernc.org/memory v1.12.1 // indirect
+)

go.sum

@@ -1,2 +1,52 @@
+github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
+github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
 github.com/go-chi/chi/v5 v5.3.1 h1:3j4HZLGZQ3JpMCrPJF/Jl3mYJfWLKBfNJ6quurUGCf8=
 github.com/go-chi/chi/v5 v5.3.1/go.mod h1:R+tYY2hNuVUUjxoPtqUdgBqevM9s9njzkTLutVsOCto=
+github.com/google/pprof v0.0.0-20260802141513-ef3492d7dac3 h1:LMLX+LgTNWpfvCBdFebv6EsYotImrt/Ppc5cXIriCSo=
+github.com/google/pprof v0.0.0-20260802141513-ef3492d7dac3/go.mod h1:jl5iWTm0/hd5PjEYEOuwAJ57L/CibdZfrqZ5XA5GrCk=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/hashicorp/golang-lru/v2 v2.0.7 h1:a+bsQ5rvGLjzHuww6tVxozPZFVghXaHOwFs4luLUK2k=
+github.com/hashicorp/golang-lru/v2 v2.0.7/go.mod h1:QeFd9opnmA6QUJc5vARoKUSoFhyfM2/ZepoAG6RGpeM=
+github.com/mattn/go-isatty v0.0.24 h1:tGZZoVgT/KiqK1c8ocVLeDS8BSWMRd47J3Lbz7vsReI=
+github.com/mattn/go-isatty v0.0.24/go.mod h1:nMCL3Zebbrt45jsMDgnfIwz6ydEQApk5oEI3HqDio6A=
+github.com/ncruces/go-strftime v1.0.0 h1:HMFp8mLCTPp341M/ZnA4qaf7ZlsbTc+miZjCLOFAw7w=
+github.com/ncruces/go-strftime v1.0.0/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls=
+github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec h1:W09IVJc94icq4NjY3clb7Lk8O1qJ8BdBEF8z0ibU0rE=
+github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
+golang.org/x/mod v0.38.0 h1:MECBjubtXD7yj4HrhIUcywNaGeNVUdfVnxmPajOk4yk=
+golang.org/x/mod v0.38.0/go.mod h1:V6Xz0pq8TQ3dGqVQ1FVHuelZpAL0uNhSkk9ogYP3c40=
+golang.org/x/sync v0.22.0 h1:SZjpbeLmrCk4xhRSZFNZW5gFUeCeFgjekvI/+gfScek=
+golang.org/x/sync v0.22.0/go.mod h1:9xrNwdLfx4jkKbNva9FpL6vEN7evnE43NNNJQ2LF3+0=
+golang.org/x/sys v0.47.0 h1:o7XGOvZQCADBQQ4Y7VNq2dRWQR7JmOUW8Kxx4ZsNgWs=
+golang.org/x/sys v0.47.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=
+golang.org/x/tools v0.48.0 h1:3+hClM1aLL5mjMKm5ovokw9epgRXPuu2tILgismM6RE=
+golang.org/x/tools v0.48.0/go.mod h1:08xX0orndb/F7jJxGDicx061tyd5pcMto75YMAXr6lk=
+modernc.org/cc/v4 v4.29.2 h1:h6+9ciCnPKutf4I03CvheAvDLX7+IHlqR6Iy6J+cgd8=
+modernc.org/cc/v4 v4.29.2/go.mod h1:OnovgIhbbMXMu1aISnJ0wvVD1KnW+cAUJkIrAWh+kVI=
+modernc.org/ccgo/v4 v4.35.0 h1:F+TUsmw09QxLzmi3aeYYGxjAXarmZaKgj3mKQHNaA8w=
+modernc.org/ccgo/v4 v4.35.0/go.mod h1:qrVGs9S3Sr2Ztcg9ve+kTAYMp5a3YvWjo+SoN06kJ5I=
+modernc.org/fileutil v1.4.0 h1:j6ZzNTftVS054gi281TyLjHPp6CPHr2KCxEXjEbD6SM=
+modernc.org/fileutil v1.4.0/go.mod h1:EqdKFDxiByqxLk8ozOxObDSfcVOv/54xDs/DUHdvCUU=
+modernc.org/gc/v2 v2.6.5 h1:nyqdV8q46KvTpZlsw66kWqwXRHdjIlJOhG6kxiV/9xI=
+modernc.org/gc/v2 v2.6.5/go.mod h1:YgIahr1ypgfe7chRuJi2gD7DBQiKSLMPgBQe9oIiito=
+modernc.org/gc/v3 v3.1.5 h1:21ldfPfRYE31Tb7B3mwAK8gy1AxP4+dKjrOQPfqakoc=
+modernc.org/gc/v3 v3.1.5/go.mod h1:HFK/6AGESC7Ex+EZJhJ2Gni6cTaYpSMmU/cT9RmlfYY=
+modernc.org/goabi0 v0.2.0 h1:HvEowk7LxcPd0eq6mVOAEMai46V+i7Jrj13t4AzuNks=
+modernc.org/goabi0 v0.2.0/go.mod h1:CEFRnnJhKvWT1c1JTI3Avm+tgOWbkOu5oPA8eH8LnMI=
+modernc.org/libc v1.75.7 h1:o3DTP9/0p9pKmY2WCKQaySW6wIiZhNM7wc2lUoyhfew=
+modernc.org/libc v1.75.7/go.mod h1:bO5o2ztHxBb2rjz0PgdHN0sSMw57CgxGFLZ3Qd/QpVQ=
+modernc.org/mathutil v1.7.1 h1:GCZVGXdaN8gTqB1Mf/usp1Y/hSqgI2vAGGP4jZMCxOU=
+modernc.org/mathutil v1.7.1/go.mod h1:4p5IwJITfppl0G4sUEDtCr4DthTaT47/N3aT6MhfgJg=
+modernc.org/memory v1.12.1 h1:nFMiWrpStgZczNl6XI9GnIk/rWhYIyHGUaR04pGbp9g=
+modernc.org/memory v1.12.1/go.mod h1:/JP4VbVC+K5sU2wZi9bHoq2MAkCnrt2r98UGeSK7Mjw=
+modernc.org/opt v0.2.0 h1:tGyef5ApycA7FSEOMraay9SaTk5zmbx7Tu+cJs4QKZg=
+modernc.org/opt v0.2.0/go.mod h1:03fq9lsNfvkYSfxrfUhZCWPk1lm4cq4N+Bh//bEtgns=
+modernc.org/sortutil v1.2.1 h1:+xyoGf15mM3NMlPDnFqrteY07klSFxLElE2PVuWIJ7w=
+modernc.org/sortutil v1.2.1/go.mod h1:7ZI3a3REbai7gzCLcotuw9AC4VZVpYMjDzETGsSMqJE=
+modernc.org/sqlite v1.59.0 h1:X1es1GpqBlS/5T+vbM4HLUdaa8OtQx468DF2vrx+38A=
+modernc.org/sqlite v1.59.0/go.mod h1:+paeT2A3iPRHkQDwG7oA6Tk0zQd5woMEI8q7orfry8k=
+modernc.org/strutil v1.2.1 h1:UneZBkQA+DX2Rp35KcM69cSsNES9ly8mQWD71HKlOA0=
+modernc.org/strutil v1.2.1/go.mod h1:EHkiggD70koQxjVdSBM3JKM7k6L0FbGE5eymy9i3B9A=
+modernc.org/token v1.1.0 h1:Xl7Ap9dKaEs5kLoOQeQmPWevfnk/DM5qcLcYlA8ys6Y=
+modernc.org/token v1.1.0/go.mod h1:UGzOrNV1mAFSEB63lOFHIpNRUVMvYTc6yu1SMY/XTDM=

internal/store/migrate.go

@@ -0,0 +1,105 @@
+package store
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+	"io/fs"
+	"strings"
+	"time"
+)
+
+const createSchemaMigrations = `CREATE TABLE IF NOT EXISTS schema_migrations (
+	version    TEXT PRIMARY KEY,
+	applied_at TEXT NOT NULL
+)`
+
+// Migrate applies every *.sql file at the root of migrations that is not yet
+// recorded in schema_migrations, in filename order. Each migration runs in its
+// own transaction together with the insert that records it, so a failing
+// migration leaves the database at the previous version. A version is the
+// file name without its .sql extension.
+//
+// The database must not hold a version unknown to migrations: that means it
+// was migrated by a newer build, and Migrate refuses to continue.
+func Migrate(ctx context.Context, db *sql.DB, migrations fs.FS) error {
+	files, err := fs.Glob(migrations, "*.sql")
+	if err != nil {
+		return fmt.Errorf("migrate: list migrations: %w", err)
+	}
+	if len(files) == 0 {
+		return fmt.Errorf("migrate: no migrations found")
+	}
+
+	if _, err := db.ExecContext(ctx, createSchemaMigrations); err != nil {
+		return fmt.Errorf("migrate: create schema_migrations: %w", err)
+	}
+	applied, err := appliedVersions(ctx, db)
+	if err != nil {
+		return err
+	}
+
+	known := make(map[string]bool, len(files))
+	for _, name := range files {
+		known[strings.TrimSuffix(name, ".sql")] = true
+	}
+	for version := range applied {
+		if !known[version] {
+			return fmt.Errorf("migrate: database has version %q, which this build does not know", version)
+		}
+	}
+
+	for _, name := range files { // fs.Glob returns names in lexical order
+		version := strings.TrimSuffix(name, ".sql")
+		if applied[version] {
+			continue
+		}
+		body, err := fs.ReadFile(migrations, name)
+		if err != nil {
+			return fmt.Errorf("migrate: read %s: %w", name, err)
+		}
+		if err := apply(ctx, db, version, string(body)); err != nil {
+			return fmt.Errorf("migrate: apply %s: %w", name, err)
+		}
+	}
+	return nil
+}
+
+func appliedVersions(ctx context.Context, db *sql.DB) (map[string]bool, error) {
+	rows, err := db.QueryContext(ctx, `SELECT version FROM schema_migrations`)
+	if err != nil {
+		return nil, fmt.Errorf("migrate: read schema_migrations: %w", err)
+	}
+	defer rows.Close()
+	applied := make(map[string]bool)
+	for rows.Next() {
+		var v string
+		if err := rows.Scan(&v); err != nil {
+			return nil, fmt.Errorf("migrate: read schema_migrations: %w", err)
+		}
+		applied[v] = true
+	}
+	if err := rows.Err(); err != nil {
+		return nil, fmt.Errorf("migrate: read schema_migrations: %w", err)
+	}
+	return applied, nil
+}
+
+func apply(ctx context.Context, db *sql.DB, version, body string) error {
+	tx, err := db.BeginTx(ctx, nil)
+	if err != nil {
+		return err
+	}
+	defer tx.Rollback() // no-op once committed
+
+	if _, err := tx.ExecContext(ctx, body); err != nil {
+		return err
+	}
+	if _, err := tx.ExecContext(ctx,
+		`INSERT INTO schema_migrations (version, applied_at) VALUES (?, ?)`,
+		version, time.Now().UTC().Format(time.RFC3339),
+	); err != nil {
+		return err
+	}
+	return tx.Commit()
+}

internal/store/migrate_test.go

@@ -0,0 +1,206 @@
+package store
+
+import (
+	"context"
+	"io/fs"
+	"strings"
+	"testing"
+	"testing/fstest"
+	"time"
+
+	"code.cubecraftlabs.com/Maniacs_Mansion/Meal-Quest/migrations"
+)
+
+var testMigrations = fstest.MapFS{
+	"0001_first.sql":  {Data: []byte("CREATE TABLE first (id INTEGER PRIMARY KEY);")},
+	"0002_second.sql": {Data: []byte("CREATE TABLE second (id INTEGER PRIMARY KEY);\nCREATE TABLE third (id INTEGER PRIMARY KEY);")},
+	"README.md":       {Data: []byte("not a migration")},
+}
+
+type migrationRow struct {
+	version   string
+	appliedAt string
+}
+
+func migrationRows(t *testing.T, s *Store) []migrationRow {
+	t.Helper()
+	rows, err := s.Reader.Query("SELECT version, applied_at FROM schema_migrations ORDER BY version")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer rows.Close()
+	var out []migrationRow
+	for rows.Next() {
+		var r migrationRow
+		if err := rows.Scan(&r.version, &r.appliedAt); err != nil {
+			t.Fatal(err)
+		}
+		out = append(out, r)
+	}
+	if err := rows.Err(); err != nil {
+		t.Fatal(err)
+	}
+	return out
+}
+
+func versions(rows []migrationRow) string {
+	vs := make([]string, len(rows))
+	for i, r := range rows {
+		vs[i] = r.version
+	}
+	return strings.Join(vs, ",")
+}
+
+func tableExists(t *testing.T, s *Store, name string) bool {
+	t.Helper()
+	var n int
+	if err := s.Reader.QueryRow("SELECT count(*) FROM sqlite_schema WHERE type = 'table' AND name = ?", name).Scan(&n); err != nil {
+		t.Fatal(err)
+	}
+	return n == 1
+}
+
+func TestMigrateFreshDatabaseReachesLatest(t *testing.T) {
+	s := openTestStore(t)
+	if err := Migrate(context.Background(), s.Writer, testMigrations); err != nil {
+		t.Fatal(err)
+	}
+	rows := migrationRows(t, s)
+	if got := versions(rows); got != "0001_first,0002_second" {
+		t.Fatalf("versions = %q", got)
+	}
+	for _, r := range rows {
+		if _, err := time.Parse(time.RFC3339, r.appliedAt); err != nil || !strings.HasSuffix(r.appliedAt, "Z") {
+			t.Errorf("applied_at %q is not UTC RFC 3339", r.appliedAt)
+		}
+	}
+	for _, table := range []string{"first", "second", "third"} {
+		if !tableExists(t, s, table) {
+			t.Errorf("table %s missing", table)
+		}
+	}
+}
+
+func TestMigrateSecondRunIsNoOp(t *testing.T) {
+	ctx := context.Background()
+	s := openTestStore(t)
+	if err := Migrate(ctx, s.Writer, testMigrations); err != nil {
+		t.Fatal(err)
+	}
+	before := migrationRows(t, s)
+	if err := Migrate(ctx, s.Writer, testMigrations); err != nil {
+		t.Fatalf("second run: %v", err)
+	}
+	after := migrationRows(t, s)
+	if len(after) != len(before) {
+		t.Fatalf("rows after second run = %v, want %v", after, before)
+	}
+	for i := range before {
+		if after[i] != before[i] {
+			t.Errorf("row %d changed: %v -> %v", i, before[i], after[i])
+		}
+	}
+}
+
+func TestMigrateBrokenMigrationRollsBack(t *testing.T) {
+	ctx := context.Background()
+	s := openTestStore(t)
+	if err := Migrate(ctx, s.Writer, testMigrations); err != nil {
+		t.Fatal(err)
+	}
+
+	broken := fstest.MapFS{"0003_broken.sql": {Data: []byte(
+		// The first statement succeeds; the second is invalid, so the
+		// table created by the first must be rolled back with it.
+		"CREATE TABLE fourth (id INTEGER PRIMARY KEY);\nCREATE TABLE oops (;",
+	)}}
+	for name, f := range testMigrations {
+		broken[name] = f
+	}
+	err := Migrate(ctx, s.Writer, broken)
+	if err == nil {
+		t.Fatal("broken migration returned no error")
+	}
+	if !strings.Contains(err.Error(), "0003_broken.sql") {
+		t.Errorf("error %q does not name the failing migration", err)
+	}
+	if got := versions(migrationRows(t, s)); got != "0001_first,0002_second" {
+		t.Errorf("versions after failure = %q, want previous version intact", got)
+	}
+	if tableExists(t, s, "fourth") {
+		t.Error("table from the failed migration was not rolled back")
+	}
+	for _, table := range []string{"first", "second", "third"} {
+		if !tableExists(t, s, table) {
+			t.Errorf("previous table %s missing after failed migration", table)
+		}
+	}
+}
+
+func TestMigrateAppliesInFilenameOrder(t *testing.T) {
+	s := openTestStore(t)
+	// 0002 depends on 0001; MapFS iteration order is random, so this only
+	// passes if migrations are sorted by name.
+	ordered := fstest.MapFS{
+		"0002_child.sql":  {Data: []byte("CREATE TABLE child (parent_id INTEGER REFERENCES parent(id)); INSERT INTO child VALUES (1);")},
+		"0001_parent.sql": {Data: []byte("CREATE TABLE parent (id INTEGER PRIMARY KEY); INSERT INTO parent VALUES (1);")},
+	}
+	if err := Migrate(context.Background(), s.Writer, ordered); err != nil {
+		t.Fatal(err)
+	}
+}
+
+func TestMigrateUnknownAppliedVersionFails(t *testing.T) {
+	ctx := context.Background()
+	s := openTestStore(t)
+	if err := Migrate(ctx, s.Writer, testMigrations); err != nil {
+		t.Fatal(err)
+	}
+	older := fstest.MapFS{"0001_first.sql": testMigrations["0001_first.sql"]}
+	if err := Migrate(ctx, s.Writer, older); err == nil {
+		t.Fatal("migrating a database newer than the build returned no error")
+	}
+}
+
+func TestMigrateNoMigrationsFails(t *testing.T) {
+	s := openTestStore(t)
+	if err := Migrate(context.Background(), s.Writer, fstest.MapFS{}); err == nil {
+		t.Fatal("empty migrations returned no error")
+	}
+}
+
+func TestMigrateEmbeddedMigrations(t *testing.T) {
+	s := openTestStore(t)
+	if err := Migrate(context.Background(), s.Writer, migrations.FS); err != nil {
+		t.Fatal(err)
+	}
+	if got := versions(migrationRows(t, s)); got != "0000_bootstrap" {
+		t.Errorf("versions = %q, want 0000_bootstrap", got)
+	}
+}
+
+func TestMigrateEmbeddedThenNewMigrationApplies(t *testing.T) {
+	ctx := context.Background()
+	s := openTestStore(t)
+	if err := Migrate(ctx, s.Writer, migrations.FS); err != nil {
+		t.Fatal(err)
+	}
+	bootstrap, err := fs.ReadFile(migrations.FS, "0000_bootstrap.sql")
+	if err != nil {
+		t.Fatal(err)
+	}
+	// A later build adds 0001_init.sql alongside the unchanged bootstrap.
+	upgraded := fstest.MapFS{
+		"0000_bootstrap.sql": {Data: bootstrap},
+		"0001_init.sql":      {Data: []byte("CREATE TABLE later (id INTEGER PRIMARY KEY);")},
+	}
+	if err := Migrate(ctx, s.Writer, upgraded); err != nil {
+		t.Fatal(err)
+	}
+	if got := versions(migrationRows(t, s)); got != "0000_bootstrap,0001_init" {
+		t.Errorf("versions = %q, want 0000_bootstrap,0001_init", got)
+	}
+	if !tableExists(t, s, "later") {
+		t.Error("table from 0001_init was not created")
+	}
+}

internal/store/store.go

@@ -0,0 +1,79 @@
+// Package store owns the MealQuest SQLite database: one writer connection,
+// a read pool, and the embedded schema migrations.
+package store
+
+import (
+	"context"
+	"database/sql"
+	"errors"
+	"fmt"
+	"net/url"
+	"path/filepath"
+
+	_ "modernc.org/sqlite" // registers the "sqlite" database/sql driver
+)
+
+// FileName is the database file inside the data directory.
+const FileName = "mealquest.db"
+
+// readPoolSize is the maximum number of open read connections.
+const readPoolSize = 4
+
+// connPragmas are applied by the driver to every new connection.
+var connPragmas = []string{
+	"busy_timeout(5000)",
+	"journal_mode(WAL)",
+	"foreign_keys(1)",
+}
+
+// Store holds the database handles. All writes go through Writer, which has
+// exactly one connection; Reader is a pool of read-only connections.
+type Store struct {
+	Writer *sql.DB
+	Reader *sql.DB
+}
+
+// Open opens <dataDir>/mealquest.db, creating it if absent, and verifies both
+// handles can connect. It does not apply migrations; call Migrate for that.
+func Open(ctx context.Context, dataDir string) (*Store, error) {
+	path, err := filepath.Abs(filepath.Join(dataDir, FileName))
+	if err != nil {
+		return nil, fmt.Errorf("store: resolve database path: %w", err)
+	}
+
+	// The writer is opened and pinged first so the file exists and is in WAL
+	// mode before any read-only connection touches it.
+	writer, err := openDB(ctx, path, 1, url.Values{"_txlock": {"immediate"}})
+	if err != nil {
+		return nil, fmt.Errorf("store: open writer: %w", err)
+	}
+	reader, err := openDB(ctx, path, readPoolSize, url.Values{"_pragma": {"query_only(1)"}})
+	if err != nil {
+		return nil, errors.Join(fmt.Errorf("store: open reader: %w", err), writer.Close())
+	}
+	return &Store{Writer: writer, Reader: reader}, nil
+}
+
+// Close closes both handles.
+func (s *Store) Close() error {
+	return errors.Join(s.Reader.Close(), s.Writer.Close())
+}
+
+func openDB(ctx context.Context, path string, maxConns int, extra url.Values) (*sql.DB, error) {
+	q := url.Values{"_pragma": connPragmas}
+	for k, vs := range extra {
+		q[k] = append(q[k], vs...)
+	}
+	dsn := (&url.URL{Scheme: "file", Path: path, RawQuery: q.Encode()}).String()
+
+	db, err := sql.Open("sqlite", dsn)
+	if err != nil {
+		return nil, err
+	}
+	db.SetMaxOpenConns(maxConns)
+	db.SetMaxIdleConns(maxConns)
+	if err := db.PingContext(ctx); err != nil {
+		return nil, errors.Join(err, db.Close())
+	}
+	return db, nil
+}

internal/store/store_test.go

@@ -0,0 +1,116 @@
+package store
+
+import (
+	"context"
+	"database/sql"
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+func openTestStore(t *testing.T) *Store {
+	t.Helper()
+	s, err := Open(context.Background(), t.TempDir())
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Cleanup(func() {
+		if err := s.Close(); err != nil {
+			t.Error(err)
+		}
+	})
+	return s
+}
+
+func TestOpenCreatesDatabaseFile(t *testing.T) {
+	dir := t.TempDir()
+	s, err := Open(context.Background(), dir)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer s.Close()
+	if _, err := os.Stat(filepath.Join(dir, FileName)); err != nil {
+		t.Fatalf("database file: %v", err)
+	}
+}
+
+func TestOpenMissingDirFails(t *testing.T) {
+	_, err := Open(context.Background(), filepath.Join(t.TempDir(), "missing"))
+	if err == nil {
+		t.Fatal("Open succeeded on a missing data directory")
+	}
+}
+
+func TestPoolSizes(t *testing.T) {
+	s := openTestStore(t)
+	if got := s.Writer.Stats().MaxOpenConnections; got != 1 {
+		t.Errorf("writer max open connections = %d, want 1", got)
+	}
+	if got := s.Reader.Stats().MaxOpenConnections; got != readPoolSize {
+		t.Errorf("reader max open connections = %d, want %d", got, readPoolSize)
+	}
+}
+
+// TestPragmasOnEveryConnection holds every reader connection open at once so
+// each one is a distinct connection, then checks the pragmas on each and on
+// the writer.
+func TestPragmasOnEveryConnection(t *testing.T) {
+	ctx := context.Background()
+	s := openTestStore(t)
+
+	conns := []*sql.Conn{}
+	for range readPoolSize {
+		c, err := s.Reader.Conn(ctx)
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer c.Close()
+		conns = append(conns, c)
+	}
+	w, err := s.Writer.Conn(ctx)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer w.Close()
+	conns = append(conns, w)
+
+	for i, c := range conns {
+		var fk, busy int
+		var journal string
+		if err := c.QueryRowContext(ctx, "PRAGMA foreign_keys").Scan(&fk); err != nil {
+			t.Fatal(err)
+		}
+		if err := c.QueryRowContext(ctx, "PRAGMA busy_timeout").Scan(&busy); err != nil {
+			t.Fatal(err)
+		}
+		if err := c.QueryRowContext(ctx, "PRAGMA journal_mode").Scan(&journal); err != nil {
+			t.Fatal(err)
+		}
+		if fk != 1 || busy != 5000 || journal != "wal" {
+			t.Errorf("connection %d: foreign_keys=%d busy_timeout=%d journal_mode=%q, want 1, 5000, wal", i, fk, busy, journal)
+		}
+	}
+}
+
+func TestReaderIsReadOnly(t *testing.T) {
+	s := openTestStore(t)
+	if _, err := s.Reader.Exec("CREATE TABLE t (id INTEGER)"); err == nil {
+		t.Fatal("write through the reader succeeded")
+	}
+	if _, err := s.Writer.Exec("CREATE TABLE t (id INTEGER)"); err != nil {
+		t.Fatalf("write through the writer: %v", err)
+	}
+}
+
+func TestForeignKeysEnforced(t *testing.T) {
+	s := openTestStore(t)
+	if _, err := s.Writer.Exec(`
+		CREATE TABLE parent (id INTEGER PRIMARY KEY);
+		CREATE TABLE child (parent_id INTEGER NOT NULL REFERENCES parent(id));
+	`); err != nil {
+		t.Fatal(err)
+	}
+	if _, err := s.Writer.Exec("INSERT INTO child (parent_id) VALUES (42)"); err == nil {
+		t.Fatal("insert violating a foreign key succeeded")
+	}
+}

migrations/0000_bootstrap.sql

@@ -0,0 +1,4 @@
+-- 0000_bootstrap: immutable no-op bootstrap migration. It lets the migrations
+-- embed compile and proves the runner end to end. Never edit or remove it:
+-- applied versions are recorded by filename and never re-run. The initial v1
+-- schema arrives as a new migration, 0001_init.sql (Feature 02 task 3).

migrations/embed.go

@@ -0,0 +1,10 @@
+// Package migrations embeds the SQL schema migrations applied at boot by
+// internal/store. Files are named NNNN_slug.sql and applied in filename order.
+package migrations
+
+import "embed"
+
+// FS holds every *.sql migration in this directory.
+//
+//go:embed *.sql
+var FS embed.FS