Refactor worker commands from npm scripts to claude-mem CLI

- Updated all instances of `npm run worker:restart` to `claude-mem restart` in documentation and code comments for consistency.
- Modified error messages and logging to reflect the new command structure.
- Adjusted worker management commands in various troubleshooting documents.
- Changed the worker status check message to guide users towards the new command.

docs/public/usage/getting-started.mdx

@@ -86,7 +86,7 @@ npm run worker:start
 npm run worker:stop
 
 # Restart worker service
-npm run worker:restart
+claude-mem restart
 
 # View worker logs
 npm run worker:logs

docs/public/usage/private-tags.mdx

@@ -176,7 +176,7 @@ This design ensures that private content never reaches the database, search indi
 1. Verify correct syntax: `<private>content</private>`
 2. Check `~/.claude-mem/silent.log` for errors
 3. Ensure worker is running: `npm run worker:status`
-4. Restart worker: `npm run worker:restart`
+4. Restart worker: `claude-mem restart`
 
 ### Partial Content Stored
 

docs/public/usage/search-tools.mdx

@@ -364,7 +364,7 @@ If search isn't working, check the worker service:
 
 ```bash
 npm run worker:status       # Check worker status
-npm run worker:restart      # Restart if needed
+claude-mem restart      # Restart if needed
 npm run worker:logs         # View logs
 ```