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GearBox/docs/api.md
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docs: add authentication, API reference, and MCP server guides
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-03 14:00:03 +02:00

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# API Reference
Base URL: `http://localhost:3000`
**Auth:** GET endpoints are public. POST, PUT, PATCH, and DELETE require authentication via session cookie or `X-API-Key` header. See [authentication.md](authentication.md) for details.
**Prices** are stored and returned in cents (e.g., `2500` = $25.00).
**Weights** are in grams.
**Timestamps** are unix epoch integers.
---
## Table of Contents
- [Health](#health)
- [Items](#items)
- [Categories](#categories)
- [Threads](#threads)
- [Setups](#setups)
- [Images](#images)
- [Settings](#settings)
- [Totals](#totals)
- [Auth](#auth)
---
## Health
### `GET /api/health`
Returns server status. Always public.
**Response:**
```json
{ "status": "ok" }
```
---
## Items
### `GET /api/items`
List all items in the collection.
**Response:**
```json
[
{
"id": 1,
"name": "Revelate Tangle Frame Bag",
"categoryId": 2,
"weightGrams": 185,
"priceCents": 12000,
"notes": "Medium size, fits 2020 Surly Straggler",
"productUrl": "https://revelatedesigns.com/...",
"imageFilename": "1710000000000-uuid.jpg",
"imageSourceUrl": "https://example.com/image.jpg",
"createdAt": 1710000000,
"updatedAt": 1710000000
}
]
```
---
### `GET /api/items/:id`
Get a single item by ID.
**Response:** item object (see above), or `404 { "error": "Item not found" }`.
---
### `POST /api/items`
Create a new item. Auth required.
**Request:**
```json
{
"name": "Revelate Tangle Frame Bag",
"categoryId": 2,
"weightGrams": 185,
"priceCents": 12000,
"notes": "Medium size",
"productUrl": "https://revelatedesigns.com/...",
"imageFilename": "1710000000000-uuid.jpg",
"imageSourceUrl": "https://example.com/image.jpg"
}
```
| Field | Type | Required | Description |
|-----------------|---------|----------|--------------------------------------|
| `name` | string | yes | Item name |
| `categoryId` | integer | yes | ID of an existing category |
| `weightGrams` | number | no | Weight in grams (non-negative) |
| `priceCents` | integer | no | Price in cents (non-negative) |
| `notes` | string | no | Free-text notes |
| `productUrl` | string | no | URL to product page |
| `imageFilename` | string | no | Filename from a prior image upload |
| `imageSourceUrl`| string | no | Original URL the image came from |
**Response:** `201` — created item object.
---
### `PUT /api/items/:id`
Update an existing item. All fields are optional. Auth required.
**Request:** same fields as POST, all optional.
**Response:** updated item object, or `404`.
---
### `DELETE /api/items/:id`
Delete an item and clean up its image file if one exists. Auth required.
**Response:**
```json
{ "success": true }
```
Returns `404` if item not found.
---
## Categories
### `GET /api/categories`
List all categories.
**Response:**
```json
[
{ "id": 1, "name": "Uncategorized", "icon": "package" },
{ "id": 2, "name": "Bags", "icon": "backpack" }
]
```
---
### `POST /api/categories`
Create a new category. Auth required.
**Request:**
```json
{ "name": "Bags", "icon": "backpack" }
```
| Field | Type | Required | Description |
|--------|--------|----------|--------------------------------------|
| `name` | string | yes | Category name |
| `icon` | string | no | Icon name (defaults to `"package"`) |
**Response:** `201` — created category object.
---
### `PUT /api/categories/:id`
Update a category. Auth required.
**Request:**
```json
{ "name": "Carry", "icon": "bag" }
```
**Response:** updated category object, or `404`.
---
### `DELETE /api/categories/:id`
Delete a category. Auth required.
**Response:**
```json
{ "success": true }
```
---
## Threads
Research threads track multiple candidate options for a single gear slot before committing to a purchase.
### `GET /api/threads`
List threads. By default only active (unresolved) threads are returned.
**Query parameters:**
| Parameter | Type | Default | Description |
|-------------------|---------|---------|------------------------------------|
| `includeResolved` | boolean | `false` | Set to `true` to include resolved threads |
**Example:** `GET /api/threads?includeResolved=true`
**Response:**
```json
[
{
"id": 1,
"name": "Handlebar bag",
"categoryId": 2,
"status": "active",
"resolvedCandidateId": null,
"createdAt": 1710000000,
"updatedAt": 1710000000
}
]
```
---
### `POST /api/threads`
Create a new research thread. Auth required.
**Request:**
```json
{ "name": "Handlebar bag", "categoryId": 2 }
```
**Response:** `201` — created thread object.
---
### `GET /api/threads/:id`
Get a thread with all its candidates.
**Response:**
```json
{
"id": 1,
"name": "Handlebar bag",
"categoryId": 2,
"status": "active",
"resolvedCandidateId": null,
"candidates": [
{
"id": 10,
"threadId": 1,
"name": "Revelate Sweetroll",
"categoryId": 2,
"weightGrams": 290,
"priceCents": 13500,
"notes": "16L, fits most drop bars",
"productUrl": "https://revelatedesigns.com/...",
"imageFilename": null,
"imageSourceUrl": null,
"status": "researching",
"pros": "Waterproof, large capacity",
"cons": "Pricey",
"sortOrder": 0,
"createdAt": 1710000000,
"updatedAt": 1710000000
}
]
}
```
Returns `404` if thread not found.
---
### `PUT /api/threads/:id`
Update a thread's name or category. Auth required.
**Request:**
```json
{ "name": "Bar bag", "categoryId": 2 }
```
**Response:** updated thread object, or `404`.
---
### `DELETE /api/threads/:id`
Delete a thread and all its candidates. Cleans up any candidate image files. Auth required.
**Response:**
```json
{ "success": true }
```
---
### `POST /api/threads/:id/candidates`
Add a candidate to a thread. Auth required.
**Request:**
```json
{
"name": "Revelate Sweetroll",
"categoryId": 2,
"weightGrams": 290,
"priceCents": 13500,
"notes": "16L capacity",
"productUrl": "https://revelatedesigns.com/...",
"imageFilename": "1710000000000-uuid.jpg",
"imageSourceUrl": "https://example.com/image.jpg",
"status": "researching",
"pros": "Waterproof, large capacity",
"cons": "Expensive"
}
```
| Field | Type | Required | Description |
|-----------------|---------|----------|----------------------------------------------------|
| `name` | string | yes | Candidate name |
| `categoryId` | integer | yes | Category ID |
| `weightGrams` | number | no | Weight in grams |
| `priceCents` | integer | no | Price in cents |
| `notes` | string | no | Notes |
| `productUrl` | string | no | Product URL |
| `imageFilename` | string | no | Filename from a prior image upload |
| `imageSourceUrl`| string | no | Original image URL |
| `status` | string | no | `"researching"`, `"ordered"`, or `"arrived"` |
| `pros` | string | no | Pros of this option |
| `cons` | string | no | Cons of this option |
**Response:** `201` — created candidate object. Returns `404` if thread not found.
---
### `PUT /api/threads/:threadId/candidates/:candidateId`
Update a candidate. All fields optional. Auth required.
**Request:** same fields as POST, all optional.
**Response:** updated candidate object, or `404`.
---
### `DELETE /api/threads/:threadId/candidates/:candidateId`
Delete a candidate and clean up its image. Auth required.
**Response:**
```json
{ "success": true }
```
---
### `PATCH /api/threads/:id/candidates/reorder`
Reorder candidates within a thread. Auth required.
**Request:**
```json
{ "orderedIds": [12, 10, 11] }
```
`orderedIds` is an array of candidate IDs in the desired display order. All IDs must belong to the thread.
**Response:**
```json
{ "success": true }
```
Returns `400` with an error message if validation fails.
---
### `POST /api/threads/:id/resolve`
Resolve a thread by selecting the winning candidate. Auth required.
The winning candidate's data is copied into a new item in the collection. The thread status is set to `"resolved"` and `resolvedCandidateId` is set.
**Request:**
```json
{ "candidateId": 10 }
```
**Response:**
```json
{
"success": true,
"item": {
"id": 42,
"name": "Revelate Sweetroll",
"categoryId": 2,
"weightGrams": 290,
"priceCents": 13500
}
}
```
Returns `400` if the candidate does not belong to the thread or another error occurs.
---
## Setups
Setups are named collections of items (e.g., "Bikepacking weekend", "Commute loadout").
### `GET /api/setups`
List all setups with item counts and weight/cost totals.
**Response:**
```json
[
{
"id": 1,
"name": "Bikepacking weekend",
"itemCount": 12,
"totalWeightGrams": 4800,
"totalPriceCents": 285000,
"createdAt": 1710000000,
"updatedAt": 1710000000
}
]
```
---
### `POST /api/setups`
Create a new setup. Auth required.
**Request:**
```json
{ "name": "Bikepacking weekend" }
```
**Response:** `201` — created setup object.
---
### `GET /api/setups/:id`
Get a setup with its full item list.
**Response:**
```json
{
"id": 1,
"name": "Bikepacking weekend",
"items": [
{
"id": 1,
"name": "Revelate Tangle Frame Bag",
"weightGrams": 185,
"priceCents": 12000,
"categoryId": 2,
"classification": "base"
}
],
"totalWeightGrams": 185,
"totalPriceCents": 12000
}
```
Returns `404` if setup not found.
---
### `PUT /api/setups/:id`
Update a setup's name. Auth required.
**Request:**
```json
{ "name": "Bikepacking overnighter" }
```
**Response:** updated setup object, or `404`.
---
### `PUT /api/setups/:id/items`
Replace all items in a setup atomically. Deletes all existing setup-item associations and re-inserts with the provided IDs. Auth required.
**Request:**
```json
{ "itemIds": [1, 5, 12, 17] }
```
Pass an empty array to remove all items from the setup.
**Response:**
```json
{ "success": true }
```
---
### `DELETE /api/setups/:id`
Delete a setup. Does not delete the items themselves. Auth required.
**Response:**
```json
{ "success": true }
```
---
## Images
### `POST /api/images`
Upload an image file. Auth required.
**Request:** `multipart/form-data` with an `image` field.
```
POST /api/images
Content-Type: multipart/form-data; boundary=...
--boundary
Content-Disposition: form-data; name="image"; filename="bag.jpg"
Content-Type: image/jpeg
<binary data>
--boundary--
```
Constraints:
- Accepted types: `image/jpeg`, `image/png`, `image/webp`
- Maximum size: 5MB
- Files are saved to `./uploads/` with a UUID-based filename
**Response:** `201`
```json
{ "filename": "1710000000000-550e8400-e29b-41d4-a716-446655440000.jpg" }
```
Use the returned `filename` as `imageFilename` when creating or updating items or candidates.
---
### `POST /api/images/from-url`
Fetch an image from a remote URL and save it locally. Auth required.
**Request:**
```json
{ "url": "https://example.com/product-image.jpg" }
```
**Response:** `201`
```json
{
"filename": "1710000000000-uuid.jpg",
"sourceUrl": "https://example.com/product-image.jpg"
}
```
Returns `400` for invalid URLs, unsupported content types, files over 5MB, or non-200 HTTP responses.
---
## Settings
Key-value store for application settings.
### `GET /api/settings/:key`
Get a setting by key. Public.
**Response:**
```json
{ "key": "collectionName", "value": "My Bikepacking Gear" }
```
Returns `404` if the key does not exist.
---
### `PUT /api/settings/:key`
Create or update a setting. Auth required.
**Request:**
```json
{ "value": "My Bikepacking Gear" }
```
**Response:** updated setting object.
---
## Totals
### `GET /api/totals`
Global and per-category weight and cost totals. Computed from current item data. Public.
**Response:**
```json
{
"global": {
"totalWeightGrams": 12500,
"totalPriceCents": 450000,
"itemCount": 34
},
"categories": [
{
"categoryId": 2,
"name": "Bags",
"icon": "backpack",
"totalWeightGrams": 1200,
"totalPriceCents": 78000,
"itemCount": 5
}
]
}
```
---
## Auth
Authentication endpoints are documented in [authentication.md](authentication.md).
| Method | Path | Auth | Description |
|--------|-------------------------|----------|---------------------------|
| GET | `/api/auth/me` | public | Current session state |
| POST | `/api/auth/setup` | public | Create first admin user |
| POST | `/api/auth/login` | public | Log in, receive cookie |
| POST | `/api/auth/logout` | public | Clear session |
| PUT | `/api/auth/password` | session | Change password |
| GET | `/api/auth/keys` | required | List API keys |
| POST | `/api/auth/keys` | required | Create API key |
| DELETE | `/api/auth/keys/:id` | required | Revoke API key |