feat: enable use_default_attributes for ai-statistics plugin

[johnlanni]

Summary

Update ai-statistics WasmPlugin configuration in AI Gateway config template to use use_default_attributes: true by default, making the plugin apply globally with sensible defaults for LLM observability.

Motivation

The previous configuration had two issues:

1. The plugin was disabled by default (defaultConfigDisable: true)
2. Required per-ingress matchRules with manual attribute configuration, which was verbose and error-prone

With the new use_default_attributes feature in ai-statistics plugin (higress#3427), we can simplify configuration significantly - the plugin now applies globally to all AI routes without needing matchRules.

Changes

Configuration Updates

• Changed defaultConfigDisable from true to false - plugin now enabled globally
• Added defaultConfig with use_default_attributes: true - uses default attributes automatically
• Removed matchRules completely - plugin applies to all routes globally
• Removed generated matchRules loop for all ingresses (25 lines total removed)

Before

spec:
  defaultConfigDisable: true  # Disabled by default
  matchRules:               # Per-ingress config required
    - config:
        attributes:
        - apply_to_log: true
          key: question
          value: messages.@reverse.0.content
          value_source: request_body
        # ... 12 more lines of attribute config
      configDisable: false
      ingress:
      - ai-route-openai.internal
    - configDisable: false
      ingress:
      - ai-route-moonshot.internal
    # ... more ingress entries

After

spec:
  defaultConfig:
    use_default_attributes: true  # Use sensible defaults
  defaultConfigDisable: false     # Enabled globally
  # No matchRules needed - applies to all routes automatically

Benefits

• Simpler: 3 insertions, 25 deletions - much cleaner configuration
• Better defaults: Plugin enabled globally with sensible attributes for all AI routes
• Easier to use: No need to configure per-ingress matchRules or attributes
• Still flexible: Users can still override with custom configuration if needed

Related Issues

• Depends on: feat: support use_default_attributes for ai-statistics plugin higress#3427 (use_default_attributes feature)

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🔄 分支流向: feat/ai-statistics-use-default-attributes ➜ main

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📒 文件清单 （1 个文件）

📝 变更: 1 个文件

📝 变更文件:

• all-in-one/scripts/config-template/ai-gateway.sh

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