chore: remove auth login warning and sync plugin versions to 1.9.1

The auth login command is now stable, so remove the warning from README.
Regenerated skill docs and updated marketplace.json and plugin.json
versions to match deno.json.

Author: schpet

.claude-plugin/marketplace.json

@@ -4,12 +4,12 @@
     "name": "schpet"
   },
   "description": "marketplace for linear-cli claude code plugin",
-  "version": "1.8.0",
+  "version": "1.9.1",
   "plugins": [
     {
       "name": "linear-cli",
       "description": "skill for using the linear-cli to manage Linear issues",
-      "version": "1.8.0",
+      "version": "1.9.1",
       "author": {
         "name": "schpet"
       },

.claude-plugin/plugin.json

@@ -1,7 +1,7 @@
 {
   "name": "linear-cli",
   "description": "Manage Linear issues from the command line",
-  "version": "1.8.0",
+  "version": "1.9.1",
   "author": {
     "name": "schpet"
   },

README.md

@@ -64,9 +64,6 @@ deno task install
 
 ## setup
 
-> [!WARNING]
-> The `linear auth login` command is new and may have issues. For stable release setup instructions, see the [v1.8.1 README](https://github.com/schpet/linear-cli/blob/v1.8.1/README.md).
-
 1. create an API key at [linear.app/settings/account/security](https://linear.app/settings/account/security)[^1]
 
 2. authenticate with the CLI:

skills/linear-cli/references/issue.md

@@ -19,19 +19,20 @@ Options:
 
 Commands:
 
-  id                           - Print the issue based on the current git branch    
-  list                         - List your issues                                   
-  title             [issueId]  - Print the issue title                              
-  start             [issueId]  - Start working on an issue                          
-  view, v           [issueId]  - View issue details (default) or open in browser/app
-  url               [issueId]  - Print the issue URL                                
-  describe          [issueId]  - Print the issue title and Linear-issue trailer     
-  commits           [issueId]  - Show all commits for a Linear issue (jj only)      
-  pull-request, pr  [issueId]  - Create a GitHub pull request with issue details    
-  delete, d         [issueId]  - Delete an issue                                    
-  create                       - Create a linear issue                              
-  update            [issueId]  - Update a linear issue                              
-  comment                      - Manage issue comments
+  id                                      - Print the issue based on the current git branch    
+  list                                    - List your issues                                   
+  title             [issueId]             - Print the issue title                              
+  start             [issueId]             - Start working on an issue                          
+  view, v           [issueId]             - View issue details (default) or open in browser/app
+  url               [issueId]             - Print the issue URL                                
+  describe          [issueId]             - Print the issue title and Linear-issue trailer     
+  commits           [issueId]             - Show all commits for a Linear issue (jj only)      
+  pull-request, pr  [issueId]             - Create a GitHub pull request with issue details    
+  delete, d         [issueId]             - Delete an issue                                    
+  create                                  - Create a linear issue                              
+  update            [issueId]             - Update a linear issue                              
+  comment                                 - Manage issue comments                              
+  attach            <issueId> <filepath>  - Attach a file to an issue
 ```
 
 ## Subcommands
@@ -351,10 +352,11 @@ Description:
 
 Options:
 
-  -h, --help               - Show this help.                      
-  -w, --workspace  <slug>  - Target workspace (uses credentials)  
-  -b, --body       <text>  - Comment body text                    
-  -p, --parent     <id>    - Parent comment ID for replies
+  -h, --help                   - Show this help.                                            
+  -w, --workspace  <slug>      - Target workspace (uses credentials)                        
+  -b, --body       <text>      - Comment body text                                          
+  -p, --parent     <id>        - Parent comment ID for replies                              
+  -a, --attach     <filepath>  - Attach a file to the comment (can be used multiple times)
 ```
 
 ##### update
@@ -390,3 +392,23 @@ Options:
   -w, --workspace  <slug>  - Target workspace (uses credentials)  
   -j, --json               - Output as JSON
 ```
+
+### attach
+
+> Attach a file to an issue
+
+```
+Usage:   linear issue attach <issueId> <filepath>
+Version: 1.8.1                                   
+
+Description:
+
+  Attach a file to an issue
+
+Options:
+
+  -h, --help                - Show this help.                              
+  -w, --workspace  <slug>   - Target workspace (uses credentials)          
+  -t, --title      <title>  - Custom title for the attachment              
+  -c, --comment    <body>   - Add a comment body linked to the attachment
+```