Reapply "move ruby to a script"

This reverts commit 9db1e0a.

Author: grll

.github/scripts/claude_oauth_login.rb

@@ -0,0 +1,67 @@
+#!/usr/bin/env ruby
+
+require 'securerandom'
+require 'uri'
+require 'json'
+require 'digest'
+require 'base64'
+
+class ClaudeLoginStart
+  OAUTH_AUTHORIZE_URL = 'https://claude.ai/oauth/authorize'
+  CLIENT_ID = '9d1c250a-e61b-44d9-88ed-5944d1962f5e'
+  REDIRECT_URI = 'https://console.anthropic.com/oauth/code/callback'
+  STATE_FILE = 'claude_oauth_state.json'
+
+  def generate_login_url
+    state = SecureRandom.hex(32)
+    code_verifier = SecureRandom.urlsafe_base64(32)
+    code_challenge = Base64.urlsafe_encode64(Digest::SHA256.digest(code_verifier)).chomp('=')
+    
+    # Save state and code verifier for verification later
+    save_state(state, code_verifier)
+    
+    params = {
+      'code' => 'true',
+      'client_id' => CLIENT_ID,
+      'response_type' => 'code',
+      'redirect_uri' => REDIRECT_URI,
+      'scope' => 'org:create_api_key user:profile user:inference',
+      'code_challenge' => code_challenge,
+      'code_challenge_method' => 'S256',
+      'state' => state
+    }
+    
+    url = "#{OAUTH_AUTHORIZE_URL}?" + URI.encode_www_form(params)
+    
+    puts url
+    
+    url
+  end
+
+  private
+
+  def save_state(state, code_verifier)
+    state_data = {
+      'state' => state,
+      'code_verifier' => code_verifier,
+      'timestamp' => Time.now.to_i,
+      'expires_at' => Time.now.to_i + 600 # 10 minutes
+    }
+    
+    File.write(STATE_FILE, JSON.pretty_generate(state_data))
+  rescue => e
+    puts "Warning: Could not save state file: #{e.message}"
+  end
+end
+
+if __FILE__ == $0
+  if ARGV.include?('--help') || ARGV.include?('-h')
+    puts "Usage: #{$0}"
+    puts "  Generates an OAuth login URL for Claude Code authentication"
+    puts "  --help, -h     Show this help message"
+    exit 0
+  end
+  
+  login = ClaudeLoginStart.new
+  login.generate_login_url
+end

.github/workflows/claude-oauth-login.yml

@@ -1,4 +1,4 @@
-name: Claude OAuth Login
+name: Claude OAuth Login (Simple)
 
 on:
   workflow_dispatch:
@@ -25,69 +25,8 @@ jobs:
         run: |
           if [ -z "${{ inputs.authorization_code }}" ]; then
             # No code provided, generate URL
-            cat << 'EOF' > login_start.rb
-            #!/usr/bin/env ruby
-            
-            require 'securerandom'
-            require 'uri'
-            require 'json'
-            require 'digest'
-            require 'base64'
-            
-            class ClaudeLoginStart
-              OAUTH_AUTHORIZE_URL = 'https://claude.ai/oauth/authorize'
-              CLIENT_ID = '9d1c250a-e61b-44d9-88ed-5944d1962f5e'
-              REDIRECT_URI = 'https://console.anthropic.com/oauth/code/callback'
-              STATE_FILE = 'claude_oauth_state.json'
-            
-              def generate_login_url
-                state = SecureRandom.hex(32)
-                code_verifier = SecureRandom.urlsafe_base64(32)
-                code_challenge = Base64.urlsafe_encode64(Digest::SHA256.digest(code_verifier)).chomp('=')
-                
-                # Save state and code verifier for verification later
-                save_state(state, code_verifier)
-                
-                params = {
-                  'code' => 'true',
-                  'client_id' => CLIENT_ID,
-                  'response_type' => 'code',
-                  'redirect_uri' => REDIRECT_URI,
-                  'scope' => 'org:create_api_key user:profile user:inference',
-                  'code_challenge' => code_challenge,
-                  'code_challenge_method' => 'S256',
-                  'state' => state
-                }
-                
-                url = "#{OAUTH_AUTHORIZE_URL}?" + URI.encode_www_form(params)
-                
-                puts url
-                
-                url
-              end
-            
-              private
-            
-              def save_state(state, code_verifier)
-                state_data = {
-                  'state' => state,
-                  'code_verifier' => code_verifier,
-                  'timestamp' => Time.now.to_i,
-                  'expires_at' => Time.now.to_i + 600 # 10 minutes
-                }
-                
-                File.write(STATE_FILE, JSON.pretty_generate(state_data))
-              rescue => e
-                puts "Warning: Could not save state file: #{e.message}"
-              end
-            end
-            
-            login = ClaudeLoginStart.new
-            login.generate_login_url
-            EOF
-            
-            chmod +x login_start.rb
-            oauth_url=$(ruby login_start.rb)
+            chmod +x .github/scripts/claude_oauth_login.rb
+            oauth_url=$(.github/scripts/claude_oauth_login.rb)
             
             echo "## 🔐 Claude OAuth Login Instructions" >> $GITHUB_STEP_SUMMARY
             echo "" >> $GITHUB_STEP_SUMMARY
@@ -99,7 +38,7 @@ jobs:
             echo "" >> $GITHUB_STEP_SUMMARY
             echo "### Step 2: Run Workflow Again" >> $GITHUB_STEP_SUMMARY
             echo "" >> $GITHUB_STEP_SUMMARY
-            echo "1. Go to the [Actions tab](${{ github.server_url }}/${{ github.repository }}/actions/workflows/claude-oauth-login-secure.yml)" >> $GITHUB_STEP_SUMMARY
+            echo "1. Go to the [Actions tab](${{ github.server_url }}/${{ github.repository }}/actions/workflows/claude-oauth-login-simple.yml)" >> $GITHUB_STEP_SUMMARY
             echo "2. Click 'Run workflow'" >> $GITHUB_STEP_SUMMARY
             echo "3. Paste the authorization code in the input field" >> $GITHUB_STEP_SUMMARY
             echo "4. Click 'Run workflow' to process the code" >> $GITHUB_STEP_SUMMARY