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# Knowledge Module - API Documentation
Complete REST API reference for the Knowledge Module endpoints.
## Table of Contents
1. [Authentication](#authentication)
2. [Entry Endpoints](#entry-endpoints)
3. [Search Endpoints](#search-endpoints)
4. [Tag Endpoints](#tag-endpoints)
5. [Import/Export Endpoints](#importexport-endpoints)
6. [Stats Endpoints](#stats-endpoints)
7. [Cache Endpoints](#cache-endpoints)
8. [Error Responses](#error-responses)
---
## Authentication
All Knowledge Module endpoints require authentication via Bearer token and workspace context.
### Headers
```http
Authorization: Bearer {session_token}
x-workspace-id: {workspace_uuid}
```
### Permission Levels
- **WORKSPACE_ANY**: Any workspace member (including GUEST)
- **WORKSPACE_MEMBER**: MEMBER role or higher
- **WORKSPACE_ADMIN**: ADMIN or OWNER role
---
## Entry Endpoints
### List Entries
Get a paginated list of knowledge entries.
```http
GET /api/knowledge/entries
```
**Query Parameters:**
| Parameter | Type | Default | Description |
| --------- | ------- | ------- | --------------------------------------------- |
| `page` | integer | 1 | Page number |
| `limit` | integer | 20 | Results per page (max: 100) |
| `status` | string | - | Filter by status (DRAFT, PUBLISHED, ARCHIVED) |
**Permissions:** WORKSPACE_ANY
**Example Request:**
```bash
curl -X GET 'http://localhost:3001/api/knowledge/entries?page=1&limit=20&status=PUBLISHED' \
-H "Authorization: Bearer YOUR_TOKEN" \
-H "x-workspace-id: WORKSPACE_ID"
```
**Response:**
```json
{
"data": [
{
"id": "550e8400-e29b-41d4-a716-446655440000",
"slug": "react-hooks-guide",
"title": "React Hooks Guide",
"content": "# React Hooks Guide\n\nComprehensive guide...",
"contentHtml": "<h1>React Hooks Guide</h1><p>Comprehensive guide...</p>",
"summary": "Learn about React Hooks",
"status": "PUBLISHED",
"visibility": "WORKSPACE",
"createdAt": "2024-01-29T10:00:00Z",
"updatedAt": "2024-01-30T15:30:00Z",
"createdBy": "user-uuid",
"updatedBy": "user-uuid",
"tags": [
{
"id": "tag-uuid",
"name": "React",
"slug": "react",
"color": "#61dafb"
}
]
}
],
"pagination": {
"page": 1,
"limit": 20,
"total": 45,
"totalPages": 3
}
}
```
---
### Get Entry
Retrieve a single knowledge entry by slug.
```http
GET /api/knowledge/entries/:slug
```
**Path Parameters:**
| Parameter | Type | Description |
| --------- | ------ | -------------------------------------- |
| `slug` | string | Entry slug (e.g., "react-hooks-guide") |
**Permissions:** WORKSPACE_ANY
**Example Request:**
```bash
curl -X GET 'http://localhost:3001/api/knowledge/entries/react-hooks-guide' \
-H "Authorization: Bearer YOUR_TOKEN" \
-H "x-workspace-id: WORKSPACE_ID"
```
**Response:**
```json
{
"id": "550e8400-e29b-41d4-a716-446655440000",
"slug": "react-hooks-guide",
"title": "React Hooks Guide",
"content": "# React Hooks Guide\n\nUse [[useState]] and [[useEffect]]...",
"contentHtml": "<h1>React Hooks Guide</h1><p>Use <a>useState</a>...</p>",
"summary": "Learn about React Hooks",
"status": "PUBLISHED",
"visibility": "WORKSPACE",
"createdAt": "2024-01-29T10:00:00Z",
"updatedAt": "2024-01-30T15:30:00Z",
"createdBy": "user-uuid",
"updatedBy": "user-uuid",
"tags": [
{
"id": "tag-uuid",
"name": "React",
"slug": "react",
"color": "#61dafb"
}
]
}
```
---
### Create Entry
Create a new knowledge entry.
```http
POST /api/knowledge/entries
```
**Permissions:** WORKSPACE_MEMBER
**Request Body:**
```json
{
"title": "React Hooks Guide",
"content": "# React Hooks Guide\n\nContent here...",
"summary": "Learn about React Hooks",
"status": "DRAFT",
"visibility": "WORKSPACE",
"tags": ["react", "frontend"],
"changeNote": "Initial draft"
}
```
**Body Schema:**
| Field | Type | Required | Constraints |
| ------------ | -------- | -------- | --------------------------------------------- |
| `title` | string | Yes | 1-500 characters |
| `content` | string | Yes | Min 1 character |
| `summary` | string | No | Max 1000 characters |
| `status` | enum | No | DRAFT, PUBLISHED, ARCHIVED (default: DRAFT) |
| `visibility` | enum | No | PRIVATE, WORKSPACE, PUBLIC (default: PRIVATE) |
| `tags` | string[] | No | Array of tag slugs |
| `changeNote` | string | No | Max 500 characters |
**Example Request:**
```bash
curl -X POST 'http://localhost:3001/api/knowledge/entries' \
-H "Authorization: Bearer YOUR_TOKEN" \
-H "x-workspace-id: WORKSPACE_ID" \
-H "Content-Type: application/json" \
-d '{
"title": "React Hooks Guide",
"content": "# React Hooks Guide\n\nUse [[useState]] for state...",
"summary": "Learn about React Hooks",
"status": "DRAFT",
"tags": ["react", "frontend"],
"changeNote": "Initial draft"
}'
```
**Response:**
```json
{
"id": "550e8400-e29b-41d4-a716-446655440000",
"slug": "react-hooks-guide",
"title": "React Hooks Guide",
"content": "# React Hooks Guide\n\nUse [[useState]] for state...",
"contentHtml": "<h1>React Hooks Guide</h1><p>Use <a>useState</a>...</p>",
"summary": "Learn about React Hooks",
"status": "DRAFT",
"visibility": "WORKSPACE",
"createdAt": "2024-01-30T10:00:00Z",
"updatedAt": "2024-01-30T10:00:00Z",
"createdBy": "user-uuid",
"updatedBy": "user-uuid",
"tags": [
{
"id": "tag-uuid",
"name": "React",
"slug": "react",
"color": "#61dafb"
}
]
}
```
**Notes:**
- Slug is auto-generated from title
- If tags don't exist, they are created automatically
- Wiki-links in content are automatically parsed and stored
- First version (version 1) is created automatically
---
### Update Entry
Update an existing knowledge entry.
```http
PUT /api/knowledge/entries/:slug
```
**Path Parameters:**
| Parameter | Type | Description |
| --------- | ------ | ----------- |
| `slug` | string | Entry slug |
**Permissions:** WORKSPACE_MEMBER
**Request Body:**
```json
{
"title": "React Hooks Guide (Updated)",
"content": "# React Hooks Guide\n\nUpdated content...",
"summary": "Updated summary",
"status": "PUBLISHED",
"visibility": "WORKSPACE",
"tags": ["react", "frontend", "tutorial"],
"changeNote": "Added examples and updated title"
}
```
All fields are optional. Only provided fields are updated.
**Example Request:**
```bash
curl -X PUT 'http://localhost:3001/api/knowledge/entries/react-hooks-guide' \
-H "Authorization: Bearer YOUR_TOKEN" \
-H "x-workspace-id: WORKSPACE_ID" \
-H "Content-Type: application/json" \
-d '{
"status": "PUBLISHED",
"changeNote": "Ready for publication"
}'
```
**Response:**
```json
{
"id": "550e8400-e29b-41d4-a716-446655440000",
"slug": "react-hooks-guide",
"title": "React Hooks Guide (Updated)",
"content": "# React Hooks Guide\n\nUpdated content...",
"contentHtml": "<h1>React Hooks Guide</h1><p>Updated...</p>",
"summary": "Updated summary",
"status": "PUBLISHED",
"visibility": "WORKSPACE",
"createdAt": "2024-01-30T10:00:00Z",
"updatedAt": "2024-01-30T12:00:00Z",
"createdBy": "user-uuid",
"updatedBy": "user-uuid",
"tags": [...]
}
```
**Notes:**
- A new version is created on every update
- Wiki-links are re-parsed and synchronized
- Cache is invalidated automatically
---
### Delete Entry
Soft-delete (archive) a knowledge entry.
```http
DELETE /api/knowledge/entries/:slug
```
**Path Parameters:**
| Parameter | Type | Description |
| --------- | ------ | ----------- |
| `slug` | string | Entry slug |
**Permissions:** WORKSPACE_ADMIN
**Example Request:**
```bash
curl -X DELETE 'http://localhost:3001/api/knowledge/entries/react-hooks-guide' \
-H "Authorization: Bearer YOUR_TOKEN" \
-H "x-workspace-id: WORKSPACE_ID"
```
**Response:**
```json
{
"message": "Entry archived successfully"
}
```
**Notes:**
- This is a **soft delete** (sets status to ARCHIVED)
- Entry remains in database with all versions
- Links to this entry become unresolved
- Can be restored by updating status back to DRAFT or PUBLISHED
---
### Get Backlinks
Get all entries that link to this entry.
```http
GET /api/knowledge/entries/:slug/backlinks
```
**Path Parameters:**
| Parameter | Type | Description |
| --------- | ------ | ----------- |
| `slug` | string | Entry slug |
**Permissions:** WORKSPACE_ANY
**Example Request:**
```bash
curl -X GET 'http://localhost:3001/api/knowledge/entries/react-hooks/backlinks' \
-H "Authorization: Bearer YOUR_TOKEN" \
-H "x-workspace-id: WORKSPACE_ID"
```
**Response:**
```json
{
"entry": {
"id": "550e8400-e29b-41d4-a716-446655440000",
"slug": "react-hooks",
"title": "React Hooks"
},
"backlinks": [
{
"id": "link-uuid-1",
"sourceId": "entry-uuid-1",
"source": {
"id": "entry-uuid-1",
"slug": "frontend-guide",
"title": "Frontend Development Guide",
"summary": "Complete frontend guide"
},
"linkText": "React Hooks",
"context": "Learn about [[React Hooks]] for state management.",
"createdAt": "2024-01-29T10:00:00Z"
},
{
"id": "link-uuid-2",
"sourceId": "entry-uuid-2",
"source": {
"id": "entry-uuid-2",
"slug": "component-patterns",
"title": "React Component Patterns",
"summary": null
},
"linkText": "hooks",
"context": "Modern [[hooks|React hooks]] make state simple.",
"createdAt": "2024-01-30T08:00:00Z"
}
],
"count": 2
}
```
**Notes:**
- Only resolved links are included
- Context shows surrounding text (future feature)
- Sorted by creation date (newest first)
---
### List Versions
Get version history for an entry.
```http
GET /api/knowledge/entries/:slug/versions
```
**Path Parameters:**
| Parameter | Type | Description |
| --------- | ------ | ----------- |
| `slug` | string | Entry slug |
**Query Parameters:**
| Parameter | Type | Default | Description |
| --------- | ------- | ------- | --------------------------- |
| `page` | integer | 1 | Page number |
| `limit` | integer | 20 | Results per page (max: 100) |
**Permissions:** WORKSPACE_ANY
**Example Request:**
```bash
curl -X GET 'http://localhost:3001/api/knowledge/entries/react-hooks-guide/versions?page=1&limit=10' \
-H "Authorization: Bearer YOUR_TOKEN" \
-H "x-workspace-id: WORKSPACE_ID"
```
**Response:**
```json
{
"data": [
{
"id": "version-uuid-3",
"version": 3,
"title": "React Hooks Guide",
"summary": "Learn about React Hooks",
"changeNote": "Added examples",
"createdAt": "2024-01-30T15:00:00Z",
"createdBy": "user-uuid",
"author": {
"id": "user-uuid",
"name": "John Doe",
"email": "john@example.com"
}
},
{
"id": "version-uuid-2",
"version": 2,
"title": "React Hooks Guide",
"summary": "Learn about React Hooks",
"changeNote": "Fixed typos",
"createdAt": "2024-01-30T12:00:00Z",
"createdBy": "user-uuid",
"author": { ... }
},
{
"id": "version-uuid-1",
"version": 1,
"title": "React Hooks Guide",
"summary": null,
"changeNote": "Initial draft",
"createdAt": "2024-01-30T10:00:00Z",
"createdBy": "user-uuid",
"author": { ... }
}
],
"pagination": {
"page": 1,
"limit": 10,
"total": 3,
"totalPages": 1
}
}
```
**Notes:**
- Versions sorted newest first
- Content is NOT included (use Get Version endpoint for full content)
- First version has `changeNote` from creation
---
### Get Version
Get complete content for a specific version.
```http
GET /api/knowledge/entries/:slug/versions/:version
```
**Path Parameters:**
| Parameter | Type | Description |
| --------- | ------- | -------------- |
| `slug` | string | Entry slug |
| `version` | integer | Version number |
**Permissions:** WORKSPACE_ANY
**Example Request:**
```bash
curl -X GET 'http://localhost:3001/api/knowledge/entries/react-hooks-guide/versions/2' \
-H "Authorization: Bearer YOUR_TOKEN" \
-H "x-workspace-id: WORKSPACE_ID"
```
**Response:**
```json
{
"id": "version-uuid-2",
"entryId": "entry-uuid",
"version": 2,
"title": "React Hooks Guide",
"content": "# React Hooks Guide\n\nOld content...",
"summary": "Learn about React Hooks",
"changeNote": "Fixed typos",
"createdAt": "2024-01-30T12:00:00Z",
"createdBy": "user-uuid",
"author": {
"id": "user-uuid",
"name": "John Doe",
"email": "john@example.com"
}
}
```
**Notes:**
- Includes full content as it existed in that version
- Use this to preview before restoring
---
### Restore Version
Restore an entry to a previous version.
```http
POST /api/knowledge/entries/:slug/restore/:version
```
**Path Parameters:**
| Parameter | Type | Description |
| --------- | ------- | ------------------------- |
| `slug` | string | Entry slug |
| `version` | integer | Version number to restore |
**Permissions:** WORKSPACE_MEMBER
**Request Body:**
```json
{
"changeNote": "Restored version 2 - reverted bad changes"
}
```
| Field | Type | Required | Constraints |
| ------------ | ------ | -------- | ------------------ |
| `changeNote` | string | Yes | Max 500 characters |
**Example Request:**
```bash
curl -X POST 'http://localhost:3001/api/knowledge/entries/react-hooks-guide/restore/2' \
-H "Authorization: Bearer YOUR_TOKEN" \
-H "x-workspace-id: WORKSPACE_ID" \
-H "Content-Type: application/json" \
-d '{
"changeNote": "Restored version 2 - reverted bad changes"
}'
```
**Response:**
```json
{
"id": "entry-uuid",
"slug": "react-hooks-guide",
"title": "React Hooks Guide",
"content": "# React Hooks Guide\n\nRestored content...",
"summary": "Learn about React Hooks",
"status": "PUBLISHED",
"visibility": "WORKSPACE",
"createdAt": "2024-01-30T10:00:00Z",
"updatedAt": "2024-01-30T16:00:00Z",
"createdBy": "user-uuid",
"updatedBy": "current-user-uuid",
"tags": [...]
}
```
**Notes:**
- Creates a **new version** (e.g., version 4) with content from the specified version
- Original versions remain untouched (no history rewriting)
- Change note is required to document why you restored
- Wiki-links are re-parsed from the restored content
---
## Search Endpoints
### Full-Text Search
Search across entry titles and content.
```http
GET /api/knowledge/search
```
**Query Parameters:**
| Parameter | Type | Required | Default | Description |
| --------- | ------- | -------- | ------- | --------------------------- |
| `q` | string | Yes | - | Search query |
| `status` | enum | No | - | DRAFT, PUBLISHED, ARCHIVED |
| `page` | integer | No | 1 | Page number |
| `limit` | integer | No | 20 | Results per page (max: 100) |
**Permissions:** WORKSPACE_ANY
**Example Request:**
```bash
curl -X GET 'http://localhost:3001/api/knowledge/search?q=react+hooks&page=1&limit=10' \
-H "Authorization: Bearer YOUR_TOKEN" \
-H "x-workspace-id: WORKSPACE_ID"
```
**Response:**
```json
{
"data": [
{
"id": "entry-uuid",
"slug": "react-hooks-guide",
"title": "React Hooks Guide",
"content": "# React Hooks Guide\n\nContent...",
"summary": "Learn about React Hooks",
"status": "PUBLISHED",
"visibility": "WORKSPACE",
"createdAt": "2024-01-30T10:00:00Z",
"updatedAt": "2024-01-30T12:00:00Z",
"createdBy": "user-uuid",
"updatedBy": "user-uuid",
"tags": [...]
}
],
"pagination": {
"page": 1,
"limit": 10,
"total": 5,
"totalPages": 1
}
}
```
**Search behavior:**
- Searches both `title` and `content` fields
- Case-insensitive
- Partial word matching
- Relevance-ranked results
---
### Search by Tags
Find entries with specific tags.
```http
GET /api/knowledge/search/by-tags
```
**Query Parameters:**
| Parameter | Type | Required | Default | Description |
| --------- | ------- | -------- | ------- | --------------------------- |
| `tags` | string | Yes | - | Comma-separated tag slugs |
| `status` | enum | No | - | DRAFT, PUBLISHED, ARCHIVED |
| `page` | integer | No | 1 | Page number |
| `limit` | integer | No | 20 | Results per page (max: 100) |
**Permissions:** WORKSPACE_ANY
**Example Request:**
```bash
curl -X GET 'http://localhost:3001/api/knowledge/search/by-tags?tags=react,frontend&status=PUBLISHED' \
-H "Authorization: Bearer YOUR_TOKEN" \
-H "x-workspace-id: WORKSPACE_ID"
```
**Response:**
Same format as Full-Text Search response.
**Notes:**
- Finds entries with **ALL** specified tags (AND logic)
- For OR logic, make separate requests
---
### Recent Entries
Get recently modified entries.
```http
GET /api/knowledge/search/recent
```
**Query Parameters:**
| Parameter | Type | Default | Description |
| --------- | ------- | ------- | --------------------------- |
| `limit` | integer | 10 | Number of entries (max: 50) |
| `status` | enum | - | DRAFT, PUBLISHED, ARCHIVED |
**Permissions:** WORKSPACE_ANY
**Example Request:**
```bash
curl -X GET 'http://localhost:3001/api/knowledge/search/recent?limit=5&status=PUBLISHED' \
-H "Authorization: Bearer YOUR_TOKEN" \
-H "x-workspace-id: WORKSPACE_ID"
```
**Response:**
```json
{
"data": [
{
"id": "entry-uuid",
"slug": "react-hooks-guide",
"title": "React Hooks Guide",
"summary": "Learn about React Hooks",
"status": "PUBLISHED",
"updatedAt": "2024-01-30T16:00:00Z",
"tags": [...]
}
],
"count": 5
}
```
**Notes:**
- Sorted by `updatedAt` descending (newest first)
- Does not include full content (use Get Entry for details)
---
## Tag Endpoints
### List Tags
Get all tags in the workspace.
```http
GET /api/knowledge/tags
```
**Permissions:** WORKSPACE_ANY
**Example Request:**
```bash
curl -X GET 'http://localhost:3001/api/knowledge/tags' \
-H "Authorization: Bearer YOUR_TOKEN" \
-H "x-workspace-id: WORKSPACE_ID"
```
**Response:**
```json
[
{
"id": "tag-uuid-1",
"name": "React",
"slug": "react",
"color": "#61dafb",
"description": "React library and ecosystem"
},
{
"id": "tag-uuid-2",
"name": "Frontend",
"slug": "frontend",
"color": "#3b82f6",
"description": null
}
]
```
---
### Get Tag
Get a single tag by slug.
```http
GET /api/knowledge/tags/:slug
```
**Path Parameters:**
| Parameter | Type | Description |
| --------- | ------ | ----------- |
| `slug` | string | Tag slug |
**Permissions:** WORKSPACE_ANY
**Example Request:**
```bash
curl -X GET 'http://localhost:3001/api/knowledge/tags/react' \
-H "Authorization: Bearer YOUR_TOKEN" \
-H "x-workspace-id: WORKSPACE_ID"
```
**Response:**
```json
{
"id": "tag-uuid",
"name": "React",
"slug": "react",
"color": "#61dafb",
"description": "React library and ecosystem"
}
```
---
### Create Tag
Create a new tag.
```http
POST /api/knowledge/tags
```
**Permissions:** WORKSPACE_MEMBER
**Request Body:**
```json
{
"name": "TypeScript",
"color": "#3178c6",
"description": "TypeScript language and tooling"
}
```
| Field | Type | Required | Constraints |
| ------------- | ------ | -------- | --------------------------- |
| `name` | string | Yes | Unique per workspace |
| `color` | string | No | Hex color (e.g., "#3178c6") |
| `description` | string | No | - |
**Example Request:**
```bash
curl -X POST 'http://localhost:3001/api/knowledge/tags' \
-H "Authorization: Bearer YOUR_TOKEN" \
-H "x-workspace-id: WORKSPACE_ID" \
-H "Content-Type: application/json" \
-d '{
"name": "TypeScript",
"color": "#3178c6"
}'
```
**Response:**
```json
{
"id": "new-tag-uuid",
"name": "TypeScript",
"slug": "typescript",
"color": "#3178c6",
"description": null
}
```
**Notes:**
- Slug is auto-generated from name
- Tags are workspace-scoped (same slug can exist in different workspaces)
---
### Update Tag
Update an existing tag.
```http
PUT /api/knowledge/tags/:slug
```
**Path Parameters:**
| Parameter | Type | Description |
| --------- | ------ | ----------- |
| `slug` | string | Tag slug |
**Permissions:** WORKSPACE_MEMBER
**Request Body:**
All fields are optional. Only provided fields are updated.
```json
{
"name": "TypeScript (Updated)",
"color": "#2f74c0",
"description": "TypeScript programming language"
}
```
**Example Request:**
```bash
curl -X PUT 'http://localhost:3001/api/knowledge/tags/typescript' \
-H "Authorization: Bearer YOUR_TOKEN" \
-H "x-workspace-id: WORKSPACE_ID" \
-H "Content-Type: application/json" \
-d '{
"color": "#2f74c0"
}'
```
**Response:**
```json
{
"id": "tag-uuid",
"name": "TypeScript (Updated)",
"slug": "typescript",
"color": "#2f74c0",
"description": "TypeScript programming language"
}
```
---
### Delete Tag
Delete a tag (removes from all entries).
```http
DELETE /api/knowledge/tags/:slug
```
**Path Parameters:**
| Parameter | Type | Description |
| --------- | ------ | ----------- |
| `slug` | string | Tag slug |
**Permissions:** WORKSPACE_ADMIN
**Example Request:**
```bash
curl -X DELETE 'http://localhost:3001/api/knowledge/tags/typescript' \
-H "Authorization: Bearer YOUR_TOKEN" \
-H "x-workspace-id: WORKSPACE_ID"
```
**Response:**
```
204 No Content
```
**Notes:**
- Tag is removed from all entries that used it
- Entries themselves are NOT deleted
---
### Get Tag Entries
Get all entries with a specific tag.
```http
GET /api/knowledge/tags/:slug/entries
```
**Path Parameters:**
| Parameter | Type | Description |
| --------- | ------ | ----------- |
| `slug` | string | Tag slug |
**Permissions:** WORKSPACE_ANY
**Example Request:**
```bash
curl -X GET 'http://localhost:3001/api/knowledge/tags/react/entries' \
-H "Authorization: Bearer YOUR_TOKEN" \
-H "x-workspace-id: WORKSPACE_ID"
```
**Response:**
```json
[
{
"id": "entry-uuid-1",
"slug": "react-hooks-guide",
"title": "React Hooks Guide",
"summary": "Learn about React Hooks",
"status": "PUBLISHED",
"createdAt": "2024-01-30T10:00:00Z",
"updatedAt": "2024-01-30T12:00:00Z"
},
{
"id": "entry-uuid-2",
"slug": "component-patterns",
"title": "React Component Patterns",
"summary": null,
"status": "PUBLISHED",
"createdAt": "2024-01-29T08:00:00Z",
"updatedAt": "2024-01-29T09:00:00Z"
}
]
```
---
## Import/Export Endpoints
### Export Entries
Export knowledge entries as a downloadable archive.
```http
GET /api/knowledge/export
```
**Query Parameters:**
| Parameter | Type | Default | Description |
| ---------- | -------- | -------- | ------------------------------------- |
| `format` | enum | markdown | Export format: `markdown` or `json` |
| `entryIds` | string[] | - | Optional array of entry IDs to export |
**Permissions:** WORKSPACE_ANY
**Example Requests:**
Export all entries as Markdown:
```bash
curl -X GET 'http://localhost:3001/api/knowledge/export?format=markdown' \
-H "Authorization: Bearer YOUR_TOKEN" \
-H "x-workspace-id: WORKSPACE_ID" \
-o knowledge-export.zip
```
Export specific entries as JSON:
```bash
curl -X GET 'http://localhost:3001/api/knowledge/export?format=json&entryIds[]=uuid1&entryIds[]=uuid2' \
-H "Authorization: Bearer YOUR_TOKEN" \
-H "x-workspace-id: WORKSPACE_ID" \
-o knowledge-export.zip
```
**Response:**
Binary `.zip` file with headers:
```
Content-Type: application/zip
Content-Disposition: attachment; filename="knowledge-export-YYYYMMDD-HHMMSS.zip"
```
**Markdown format structure:**
```
knowledge-export.zip
├── react-hooks-guide.md
├── component-patterns.md
└── state-management.md
```
Each `.md` file:
```markdown
---
slug: react-hooks-guide
title: React Hooks Guide
status: PUBLISHED
visibility: WORKSPACE
tags: react, frontend
createdAt: 2024-01-30T10:00:00Z
updatedAt: 2024-01-30T12:00:00Z
---
# React Hooks Guide
Content with [[wiki-links]]...
```
**JSON format structure:**
```
knowledge-export.zip
└── entries.json
```
`entries.json`:
```json
[
{
"slug": "react-hooks-guide",
"title": "React Hooks Guide",
"content": "# React Hooks Guide\n\nContent...",
"summary": "Learn about React Hooks",
"status": "PUBLISHED",
"visibility": "WORKSPACE",
"tags": ["react", "frontend"],
"createdAt": "2024-01-30T10:00:00Z",
"updatedAt": "2024-01-30T12:00:00Z"
}
]
```
---
### Import Entries
Import knowledge entries from uploaded file.
```http
POST /api/knowledge/import
```
**Permissions:** WORKSPACE_MEMBER
**Request:**
Multipart form data with file upload.
```bash
curl -X POST 'http://localhost:3001/api/knowledge/import' \
-H "Authorization: Bearer YOUR_TOKEN" \
-H "x-workspace-id: WORKSPACE_ID" \
-F "file=@knowledge-export.zip"
```
**Supported file types:**
- `.md` (single Markdown file)
- `.zip` (archive of Markdown files)
**File size limit:** 50MB
**Response:**
```json
{
"success": true,
"totalFiles": 10,
"imported": 8,
"failed": 2,
"results": [
{
"filename": "react-hooks.md",
"success": true,
"entryId": "new-entry-uuid",
"slug": "react-hooks"
},
{
"filename": "invalid-entry.md",
"success": false,
"error": "Title is required"
}
]
}
```
**Import behavior:**
- New entries created with status DRAFT
- Existing entries (matching slug) are skipped
- Tags created automatically if they don't exist
- Wiki-links preserved (will resolve if targets exist)
**Front matter parsing:**
The importer reads YAML front matter:
```markdown
---
slug: custom-slug
title: Entry Title
summary: Optional summary
status: PUBLISHED
visibility: WORKSPACE
tags: tag1, tag2
---
Content starts here...
```
If no front matter, slug is generated from filename.
---
## Stats Endpoints
### Get Statistics
Get knowledge base statistics for the workspace.
```http
GET /api/knowledge/stats
```
**Permissions:** WORKSPACE_ANY
**Example Request:**
```bash
curl -X GET 'http://localhost:3001/api/knowledge/stats' \
-H "Authorization: Bearer YOUR_TOKEN" \
-H "x-workspace-id: WORKSPACE_ID"
```
**Response:**
```json
{
"totalEntries": 42,
"entriesByStatus": {
"DRAFT": 5,
"PUBLISHED": 35,
"ARCHIVED": 2
},
"totalTags": 12,
"totalLinks": 87,
"totalVersions": 215,
"averageVersionsPerEntry": 5.1,
"topTags": [
{
"id": "tag-uuid",
"name": "React",
"slug": "react",
"count": 15
},
{
"id": "tag-uuid",
"name": "Frontend",
"slug": "frontend",
"count": 12
}
],
"mostLinkedEntries": [
{
"id": "entry-uuid",
"slug": "react-hooks",
"title": "React Hooks",
"incomingLinkCount": 8
}
],
"recentActivity": {
"last24h": 5,
"last7days": 18,
"last30days": 42
}
}
```
---
## Cache Endpoints
### Get Cache Stats
Get cache performance statistics.
```http
GET /api/knowledge/cache/stats
```
**Permissions:** WORKSPACE_ANY
**Example Request:**
```bash
curl -X GET 'http://localhost:3001/api/knowledge/cache/stats' \
-H "Authorization: Bearer YOUR_TOKEN" \
-H "x-workspace-id: WORKSPACE_ID"
```
**Response:**
```json
{
"enabled": true,
"stats": {
"hits": 1250,
"misses": 180,
"sets": 195,
"deletes": 15,
"hitRate": 0.874
}
}
```
**Stats explanation:**
- `hits`: Cache hits (data found in cache)
- `misses`: Cache misses (data not in cache, fetched from DB)
- `sets`: Cache writes
- `deletes`: Cache invalidations
- `hitRate`: Percentage of requests served from cache (hits / (hits + misses))
---
### Clear Cache
Clear all cached data for the workspace.
```http
POST /api/knowledge/cache/clear
```
**Permissions:** WORKSPACE_ADMIN
**Example Request:**
```bash
curl -X POST 'http://localhost:3001/api/knowledge/cache/clear' \
-H "Authorization: Bearer YOUR_TOKEN" \
-H "x-workspace-id: WORKSPACE_ID"
```
**Response:**
```json
{
"message": "Cache cleared successfully"
}
```
**Notes:**
- Clears ALL knowledge caches for the workspace
- Includes entry caches, search caches, and graph caches
- Does not affect other workspaces
---
### Reset Cache Stats
Reset cache statistics counters to zero.
```http
POST /api/knowledge/cache/stats/reset
```
**Permissions:** WORKSPACE_ADMIN
**Example Request:**
```bash
curl -X POST 'http://localhost:3001/api/knowledge/cache/stats/reset' \
-H "Authorization: Bearer YOUR_TOKEN" \
-H "x-workspace-id: WORKSPACE_ID"
```
**Response:**
```json
{
"message": "Cache statistics reset successfully"
}
```
---
## Error Responses
All endpoints follow standard HTTP error codes and return JSON error objects.
### Error Format
```json
{
"statusCode": 404,
"message": "Entry not found",
"error": "Not Found"
}
```
### Common Status Codes
| Code | Meaning | Example |
| ----- | --------------------- | -------------------------------------------- |
| `400` | Bad Request | Invalid request body, missing required field |
| `401` | Unauthorized | Missing or invalid auth token |
| `403` | Forbidden | Insufficient permissions for action |
| `404` | Not Found | Entry, tag, or version doesn't exist |
| `409` | Conflict | Slug already exists, duplicate entry |
| `413` | Payload Too Large | Import file exceeds 50MB limit |
| `422` | Unprocessable Entity | Validation failed (e.g., invalid enum value) |
| `500` | Internal Server Error | Unexpected server error |
### Validation Errors
When validation fails, you get detailed error information:
```json
{
"statusCode": 422,
"message": [
"title must not be empty",
"title must not exceed 500 characters",
"status must be a valid EntryStatus"
],
"error": "Unprocessable Entity"
}
```
---
## JavaScript Examples
### Using Fetch API
```javascript
const API_URL = "http://localhost:3001/api";
const token = "YOUR_SESSION_TOKEN";
const workspaceId = "YOUR_WORKSPACE_ID";
const headers = {
Authorization: `Bearer ${token}`,
"x-workspace-id": workspaceId,
"Content-Type": "application/json",
};
// Create entry
async function createEntry() {
const response = await fetch(`${API_URL}/knowledge/entries`, {
method: "POST",
headers,
body: JSON.stringify({
title: "My New Entry",
content: "# Hello World\n\nThis is my first [[wiki-link]]!",
tags: ["tutorial"],
status: "DRAFT",
}),
});
if (!response.ok) {
throw new Error(`Failed: ${response.status}`);
}
return await response.json();
}
// Search entries
async function searchEntries(query) {
const params = new URLSearchParams({ q: query, limit: 10 });
const response = await fetch(`${API_URL}/knowledge/search?${params}`, {
headers,
});
return await response.json();
}
// Export entries
async function exportEntries() {
const response = await fetch(`${API_URL}/knowledge/export?format=markdown`, {
headers,
});
const blob = await response.blob();
const url = window.URL.createObjectURL(blob);
const a = document.createElement("a");
a.href = url;
a.download = "knowledge-export.zip";
a.click();
}
```
### Using Axios
```javascript
import axios from "axios";
const api = axios.create({
baseURL: "http://localhost:3001/api",
headers: {
Authorization: `Bearer ${token}`,
"x-workspace-id": workspaceId,
},
});
// Get entry
const entry = await api.get("/knowledge/entries/react-hooks");
console.log(entry.data);
// Update entry
const updated = await api.put("/knowledge/entries/react-hooks", {
status: "PUBLISHED",
changeNote: "Ready for publication",
});
// Import file
const formData = new FormData();
formData.append("file", fileInput.files[0]);
const result = await api.post("/knowledge/import", formData, {
headers: { "Content-Type": "multipart/form-data" },
});
```
---
## Next Steps
- **[User Guide](KNOWLEDGE_USER_GUIDE.md)** — Learn how to use the Knowledge Module
- **[Developer Guide](KNOWLEDGE_DEV.md)** — Architecture and implementation details
- **[Main README](README.md)** — Complete Mosaic Stack documentation
---
**Happy building! 🚀**
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