Add CLI docs

apps/docs/content/docs/cli/index.mdx

@@ -0,0 +1,35 @@
+---
+title: CLI
+description: Manage your changelog posts from the terminal using the changes.page CLI.
+---
+
+The `@changespage/cli` lets you manage posts directly from your terminal — create, update, list, and delete posts without leaving the command line.
+
+## Install
+
+```bash
+npm install -g @changespage/cli
+```
+
+## Setup
+
+```bash
+chp configure
+```
+
+You'll be prompted to enter your page secret key. Find it in your page settings under **Integrations**.
+
+Alternatively, use the `CHANGESPAGE_SECRET_KEY` environment variable or `--secret-key` flag.
+
+## Commands
+
+<Cards>
+  <Card title="Managing Posts" href="/docs/cli/posts" />
+</Cards>
+
+## Global Options
+
+| Flag | Description |
+|---|---|
+| `--secret-key <key>` | Page secret key |
+| `--pretty` | Pretty-print JSON output |

apps/docs/content/docs/cli/posts.mdx

@@ -0,0 +1,68 @@
+---
+title: Managing Posts
+description: Create, list, update, and delete changelog posts using the CLI.
+---
+
+## List posts
+
+```bash
+chp posts list
+chp posts list --status published --limit 5
+```
+
+### List options
+
+| Flag | Description |
+|---|---|
+| `--status <status>` | Filter by status: `draft`, `published`, `archived` |
+| `--limit <n>` | Max number of posts (default: `20`) |
+| `--offset <n>` | Offset for pagination (default: `0`) |
+
+## Get a post
+
+```bash
+chp posts get <id>
+```
+
+## Create a post
+
+Content is read from stdin:
+
+```bash
+echo "Release notes here" | chp posts create --title "v2.0" --tags new,fix --status draft
+```
+
+Or from a file:
+
+```bash
+chp posts create --title "v2.0" --tags new,fix --status published < content.md
+```
+
+## Update a post
+
+```bash
+echo "Updated content" | chp posts update <id> --title "v2.1" --tags improvement
+```
+
+Update metadata only (no stdin pipe):
+
+```bash
+chp posts update <id> --status published
+```
+
+## Delete a post
+
+```bash
+chp posts delete <id>
+```
+
+## Create / Update options
+
+| Flag | Description |
+|---|---|
+| `--title <title>` | Post title (required for create) |
+| `--tags <tags>` | Comma-separated tags: `new`, `fix`, `improvement`, `announcement`, `alert` |
+| `--status <status>` | `draft`, `published`, `archived` (default: `draft`) |
+| `--publish-at <date>` | ISO date for scheduled publish |
+| `--allow-reactions` / `--no-allow-reactions` | Enable or disable reactions |
+| `--notes <notes>` | Internal notes |

apps/docs/content/docs/index.mdx

@@ -7,6 +7,7 @@ description: changelog made smarter, faster, and user-focused.
 
 <Cards>
   <Card title="Setup Widget" href="/docs/widget" />
+  <Card title="CLI" href="/docs/cli" />
   <Card title="SDKs" href="/docs/sdk" />
   <Card title="API Reference" href="/docs/api/page" />
 </Cards>