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# File 'lib/legion/llm/inference/steps/trigger_match.rb', line 14
def step_trigger_match
start_time = nil
unless defined?(::Legion::Tools::TriggerIndex)
log_step_debug(:trigger_match, :skipped, reason: :trigger_index_unavailable)
return
end
if ::Legion::Tools::TriggerIndex.empty?
log_step_debug(:trigger_match, :skipped, reason: :trigger_index_empty)
return
end
start_time = ::Time.now
text =
word_set = normalize_message_words(text)
if word_set.empty?
log_step_debug(:trigger_match, :skipped, reason: :no_words)
return
end
log_step_debug(:trigger_match, :scanning, word_count: word_set.size)
matched, per_word = ::Legion::Tools::TriggerIndex.match(word_set)
subtract_always_loaded(matched)
if matched.empty?
log_step_debug(:trigger_match, :no_matches)
return
end
limit = trigger_tool_limit
@triggered_tools = if matched.size <= limit
matched.to_a
else
rank_and_cap(matched, per_word, limit)
end
if @triggered_tools.any?
names = @triggered_tools.map(&:tool_name)
@enrichments['tool:trigger_match'] = {
content: "#{@triggered_tools.size} tools matched via trigger words",
data: { tool_count: @triggered_tools.size, tool_names: names },
timestamp: ::Time.now
}
end
record_trigger_match_timeline(@triggered_tools.size, start_time)
log_step_debug(:trigger_match, :matched, matched_count: matched.size, injected_count: @triggered_tools.size, limit: limit)
rescue StandardError => e
@warnings << "Trigger match error: #{e.message}"
handle_exception(e, level: :warn, operation: 'llm.pipeline.steps.trigger_match')
record_trigger_match_timeline(0, start_time)
end
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