feat: add garden module infrastructure (task 70)

- Add MinIO service to compose.yaml with named volume
- Add generic /api/uploads POST+GET route with auth, 5 MB, image/* guards
- Add src/lib/minio.ts singleton client with ensureBucket helper
- Add garden Drizzle schema: containers, plants, care_logs, care_schedules, species_cache
- Register garden module in src/modules/index.ts and src/lib/db.ts
- Apply migration 0015_garden_schema.sql
- Add MINIO_* and PERENUAL_API_KEY to .env.example
- Add task briefs 70-75 for the full garden feature arc
- Add uploads.spec.ts E2E test (RED → GREEN on route auth guard)

docs/tasks/71-garden-containers.md

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+# 71 — Garden containers
+
+## Goal
+
+Implement full CRUD for **containers** — the grouping layer above individual plants (shelves, terrariums, raised beds, etc.). A container has a name, type, location notes, and an optional cover photo.
+
+## Depends on
+
+- 70 (garden infrastructure — schema, MinIO, upload route)
+
+## Scope
+
+### Server (`src/modules/garden/server/`)
+
+Add to `actions.ts`:
+
+- `createContainer(input: { name, type, locationNotes?, coverImageUrl? })` — Zod-validated, `getCurrentSession`, insert, `logActivity`, `revalidatePath("/garden")`.
+- `updateContainer(input: { id, name?, type?, locationNotes?, coverImageUrl? })` — patch, household membership check, logActivity.
+- `deleteContainer(input: { id })` — household membership check; plants with this `container_id` have it set to null (handled by schema `ON DELETE SET NULL`); logActivity; revalidatePath.
+
+Add to `queries.ts`:
+
+- `listContainers()` — returns all containers for the current household with a computed `plantCount`.
+- `getContainer(id)` — returns the container + all its plants (with last-watered date derived from care logs — use a lateral join or subquery).
+
+### UI (`src/modules/garden/components/`)
+
+**`container-list.tsx`** (server component)
+
+- Grid of cards. Each card: cover photo (placeholder icon if none), name, type badge, plant count.
+- "New container" button → sheet/dialog.
+
+**`container-detail.tsx`** (server component)
+
+- Header: cover photo, name, type, location notes, edit/delete buttons.
+- Plant grid (placeholder for now — task 72 fills in the plant cards).
+- "+ Add plant to this container" button — links to `/garden/plants/new?containerId=<id>`.
+
+**`container-form.tsx`** (client component)
+
+- Fields: name (required), type (select — 7 options), location notes (textarea), cover photo (file input → `POST /api/uploads` → stores returned URL).
+- Used for both create and edit via an optional `existing` prop.
+
+### Pages (`src/app/garden/`)
+
+- `page.tsx` — `/garden` root page: two tabs — "Plants" (placeholder for task 72) and "Containers". Containers tab renders `<ContainerList />`.
+- `containers/[id]/page.tsx` — renders `<ContainerDetail />`.
+- `containers/new/page.tsx` — renders `<ContainerForm />` in create mode; redirects to `/garden` on success.
+
+### Nav
+
+Add `/garden` to the bottom nav and sidebar. Use the `sprout` Lucide icon (or nearest available). Register in the garden manifest:
+
+```typescript
+nav: { href: "/garden", label: "Garden", icon: "sprout" }
+```
+
+### Activity log
+
+`renderActivity` for `garden.container` entity type in the manifest:
+
+- `create` → `Created container "${name}"`
+- `update` → `Updated container "${name}"`
+- `delete` → `Deleted container`
+
+### Share links
+
+Containers are shareable (read-only). Add `loadForShare` and `renderSharedView` to the entity registration so a share link shows the container's name, type, location notes, cover photo, and plant names. Add `loadContainerForShare(id)` in `src/modules/garden/server/share-queries.ts`.
+
+## Out of scope
+
+- Plant cards inside the container detail (task 72 fills those in).
+- Care tracking (tasks 73–74).
+
+## Acceptance criteria
+
+- [ ] Create / edit / delete containers works end-to-end.
+- [ ] Cover photo uploads to MinIO and renders on the card and detail page.
+- [ ] Deleting a container nullifies `container_id` on its plants rather than deleting the plants.
+- [ ] `/garden` page renders with a Containers tab.
+- [ ] `garden.container` entity is registered with share support in the manifest.
+- [ ] Activity log entries appear for create / update / delete.