Module: Legion::LLM::Settings

Extended by:

Legion::Logging::Helper

Defined in:

lib/legion/llm/settings.rb

Constant Summary

CLIENT_TOOL_PASSTHROUGH_BLACKLIST_DEFAULT =

[
  'sudo', 'visudo', 'su', 'legion', 'legionio', 'legionio do', 'legionio/legion',
  'computer_use_session', 'computer_use_control', 'computer_use_session_info',
  'computer_use_session_message', 'plugin__aithena__recall', 'plugin__aithena__remember',
  'plugin__aithena__skill_search', 'plugin__aithena__skill_feedback', 'plugin__aithena__memory_stats',
  'plugin__cron__create', 'plugin__cron__list', 'plugin__cron__get', 'plugin__cron__update',
  'plugin__cron__delete', 'plugin__cron__get_history', 'plugin__cron__run_now', 'plugin__cron__stop'
].freeze

CLIENT_TOOL_PASSTHROUGH_WHITELIST_DEFAULT =

[].freeze

Class Method Summary

• .api_defaults ⇒ Object
• .arbitrage_defaults ⇒ Object
• .batch_defaults ⇒ Object
• .budget_defaults ⇒ Object
• .claude_cli_defaults ⇒ Object
• .compliance_defaults ⇒ Object
• .confidence_defaults ⇒ Object
• .context_curation_defaults ⇒ Object
• .conversation_defaults ⇒ Object
• .daemon_defaults ⇒ Object
• .debate_defaults ⇒ Object
• .debug_formats_default_enabled ⇒ Object
• .debug_formats_defaults ⇒ Object
• .default ⇒ Object
• .discovery_defaults ⇒ Object
• .embedding_defaults ⇒ Object
• .fallback_defaults ⇒ Object
• .fleet_defaults ⇒ Object
• .gaia_defaults ⇒ Object
• .knowledge_capture_defaults ⇒ Object
• .metering_defaults ⇒ Object
• .prompt_caching_defaults ⇒ Object
• .provider_layer_defaults ⇒ Object
• .rag_defaults ⇒ Object
• .rag_guard_defaults ⇒ Object
• .register_defaults! ⇒ Object
• .routing_defaults ⇒ Object
• .scheduling_defaults ⇒ Object
• .skills_defaults ⇒ Object
• .streaming_defaults ⇒ Object
• .structured_output_defaults ⇒ Object
• .system_baseline_default ⇒ Object
• .telemetry_defaults ⇒ Object
• .tool_trigger_defaults ⇒ Object
• .validate!(settings) ⇒ Object

Class Method Details

.api_defaults ⇒ Object

# File 'lib/legion/llm/settings.rb', line 442

def self.api_defaults
  {
    use_namespaces:  true,
    batch_pool_size: 4,
    auth:            {
      enabled:      false,
      api_keys:     [],
      pass_through: false
    },
    # G21 — X-Legion-Format and X-Legion-Debug surface. Default ON for
    # lite/dev because the envelope leaks routing/escalation internals;
    # production deployments must explicitly opt in.
    debug_formats:   debug_formats_defaults
  }
end

.arbitrage_defaults ⇒ Object

# File 'lib/legion/llm/settings.rb', line 262

def self.arbitrage_defaults
  {
    enabled:            false,
    prefer_cheapest:    true,
    quality_floor:      0.7,
    cost_table_refresh: 86_400,
    cost_table:         {}
  }
end

.batch_defaults ⇒ Object

# File 'lib/legion/llm/settings.rb', line 272

def self.batch_defaults
  {
    enabled:          false,
    window_seconds:   300,
    max_batch_size:   100,
    eligible_intents: %w[batch background low_priority]
  }
end

.budget_defaults ⇒ Object

# File 'lib/legion/llm/settings.rb', line 253

def self.budget_defaults
  {
    session_max_tokens:  nil,
    session_warn_tokens: nil,
    daily_max_tokens:    nil,
    session_usd:         0.0
  }
end

.claude_cli_defaults ⇒ Object

# File 'lib/legion/llm/settings.rb', line 93

def self.claude_cli_defaults
  {
    settings_path: '~/.claude/settings.json',
    config_path:   '~/.claude.json'
  }
end

.compliance_defaults ⇒ Object

# File 'lib/legion/llm/settings.rb', line 509

def self.compliance_defaults
  {
    classification_scan:   false,
    encrypt_audit:         false,
    encrypt_metering:      false,
    phi_block_cloud:       false,
    cloud_providers:       %w[bedrock anthropic openai gemini azure],
    redact_pii:            false,
    redaction_placeholder: '[REDACTED]',
    strict_hipaa:          false,
    standalone_email_pii:  false,
    default_level:         :public,
    audit_max_messages:    20
  }
end

.confidence_defaults ⇒ Object

# File 'lib/legion/llm/settings.rb', line 128

def self.confidence_defaults
  {
    bands: {
      low:       0.3,
      medium:    0.5,
      high:      0.7,
      very_high: 0.9
    }
  }
end

.context_curation_defaults ⇒ Object

# File 'lib/legion/llm/settings.rb', line 381

def self.context_curation_defaults
  {
    enabled:                 true,
    mode:                    'heuristic',
    llm_assisted:            false,
    llm_model:               nil,
    tool_result_max_chars:   10_000,
    thinking_eviction:       true,
    exchange_folding:        true,
    superseded_eviction:     true,
    dedup_enabled:           true,
    dedup_threshold:         0.85,
    target_context_tokens:   60_000,
    archive_dropped_turns:   true,
    archive_preserve_recent: 10
  }
end

.conversation_defaults ⇒ Object

# File 'lib/legion/llm/settings.rb', line 399

def self.conversation_defaults
  {
    summarize_threshold: 90_000,
    target_tokens:       60_000,
    preserve_recent:     10,
    auto_compact:        true
  }
end

.daemon_defaults ⇒ Object

# File 'lib/legion/llm/settings.rb', line 139

def self.daemon_defaults
  {
    url:     'http://127.0.0.1:4567',
    enabled: true
  }
end

.debate_defaults ⇒ Object

# File 'lib/legion/llm/settings.rb', line 429

def self.debate_defaults
  {
    enabled:                  false,
    gaia_auto_trigger:        false,
    default_rounds:           1,
    max_rounds:               3,
    advocate_model:           nil,
    challenger_model:         nil,
    judge_model:              nil,
    model_selection_strategy: 'rotate'
  }
end

.debug_formats_default_enabled ⇒ Object

# File 'lib/legion/llm/settings.rb', line 462

def self.debug_formats_default_enabled
  return true if defined?(Legion::Mode) && Legion::Mode.respond_to?(:lite?) && Legion::Mode.lite?

  env = (ENV.fetch('LEGION_ENV', nil) || ENV.fetch('RACK_ENV', nil)).to_s.downcase
  %w[development dev test].include?(env)
end

.debug_formats_defaults ⇒ Object

# File 'lib/legion/llm/settings.rb', line 458

def self.debug_formats_defaults
  { enabled: debug_formats_default_enabled }
end

.default ⇒ Object

# File 'lib/legion/llm/settings.rb', line 21

def self.default
  model_override = ENV.fetch('ANTHROPIC_MODEL', nil)
  {
    enabled:                        true,
    connected:                      false,
    pipeline_enabled:               true,
    pipeline_async_post_steps:      true,
    context_window:                 250_000,
    max_output_tokens:              16_384,
    max_tool_rounds:                200,
    max_tool_calls_per_turn:        100,
    tool_error_log_chars:           500,
    tool_result_max_dispatch_chars: 10_000,
    default_model:                  model_override,
    default_temperature:            0.9,
    default_provider:               nil,
    providers:                      {},
    tier_order:                     nil,
    system_baseline:                system_baseline_default,
    fleet:                          fleet_defaults,
    routing:                        routing_defaults,
    budget:                         budget_defaults,
    confidence:                     confidence_defaults,
    discovery:                      discovery_defaults,
    daemon:                         daemon_defaults,
    prompt_caching:                 prompt_caching_defaults,
    arbitrage:                      arbitrage_defaults,
    batch:                          batch_defaults,
    scheduling:                     scheduling_defaults,
    rag:                            rag_defaults,
    rag_guard:                      rag_guard_defaults,
    gaia:                           gaia_defaults,
    knowledge_capture:              knowledge_capture_defaults,
    embedding:                      embedding_defaults,
    conversation:                   conversation_defaults,
    telemetry:                      telemetry_defaults,
    pricing:                        {},
    metering:                       metering_defaults,
    context_curation:               context_curation_defaults,
    debate:                         debate_defaults,
    provider_layer:                 provider_layer_defaults,
    tool_trigger:                   tool_trigger_defaults,
    api:                            api_defaults,
    streaming:                      streaming_defaults,
    compliance:                     compliance_defaults,
    skills:                         skills_defaults,
    claude_cli:                     claude_cli_defaults,
    fallback:                       fallback_defaults,
    structured_output:              structured_output_defaults
  }
end

.discovery_defaults ⇒ Object

# File 'lib/legion/llm/settings.rb', line 164

def self.discovery_defaults
  {
    enabled:                     true,
    refresh_seconds:             60,
    memory_floor_mb:             2048,
    memory_overhead_factor:      1.4,
    trip_circuit_on_unreachable: true
  }
end

.embedding_defaults ⇒ Object

# File 'lib/legion/llm/settings.rb', line 327

def self.embedding_defaults
  {
    dimension:                    1024,
    enforce_dimension:            true,
    provider_fallback:            %w[ollama bedrock openai],
    provider_models:              {
      bedrock:   'amazon.titan-embed-text-v2:0',
      anthropic: nil,
      openai:    'text-embedding-3-small',
      gemini:    'text-embedding-004',
      azure:     'text-embedding-3-small',
      ollama:    'mxbai-embed-large'
    },
    ollama_preferred:             %w[mxbai-embed-large nomic-embed-text bge-large snowflake-arctic-embed],
    ollama_context_chars:         {
      'mxbai-embed-large'      => 1400,
      'bge-large'              => 1400,
      'snowflake-arctic-embed' => 1400,
      'nomic-embed-text'       => 24_000
    },
    ollama_default_context_chars: 1400,
    prefix_registry:              {
      'nomic-embed-text'  => { document: 'search_document: ', query: 'search_query: ' },
      'mxbai-embed-large' => { query: 'Represent this sentence for searching relevant passages: ' }
    },
    # G19: content-addressed embedding cache (lookup keyed by
    # llm:embed:<model>:<dims>:<sha256>). Embeddings are deterministic per
    # model so the default TTL is long; cache hits still emit metering with
    # cost: 0, cache_hit: true so the savings are auditable.
    cache:                        {
      enabled:    true,
      ttl:        86_400,
      key_prefix: 'llm:embed'
    }
  }
end

.fallback_defaults ⇒ Object

# File 'lib/legion/llm/settings.rb', line 496

def self.fallback_defaults
  {
    allow_local: true
  }
end

.fleet_defaults ⇒ Object

# File 'lib/legion/llm/settings.rb', line 174

def self.fleet_defaults
  {
    dispatch:  {
      enabled:                false,
      exchange:               'llm.fleet',
      routing_style:          :shared_lane,
      mandatory:              true,
      publisher_confirm:      true,
      spool:                  false,
      timeout_seconds:        30,
      timeouts:               { chat: 30, stream: 30, embed: 10, image: 60, default: 30 },
      require_auth:           nil,
      token_ttl_seconds:      180,
      reply_queue_expires_ms: 60_000,
      reply_queue_prefix:     'llm.fleet.reply',
      request_ttl_ms:         120_000
    },
    auth:      {
      require_signed_token:   true,
      issuer:                 'legion-llm',
      audience:               'lex-llm-fleet-worker',
      algorithm:              'HS256',
      accepted_issuers:       ['legion-llm'],
      max_clock_skew_seconds: 30
    },
    responder: {
      enabled:                    false,
      require_auth:               nil,
      require_policy:             false,
      require_idempotency:        true,
      idempotency_ttl_seconds:    600,
      accepted_protocol_version:  2,
      mandatory:                  false,
      publisher_confirm:          false,
      publish_confirm_timeout_ms: 500,
      spool:                      false
    }
  }
end

.gaia_defaults ⇒ Object

# File 'lib/legion/llm/settings.rb', line 313

def self.gaia_defaults
  {
    advisory_enabled: true
  }
end

.knowledge_capture_defaults ⇒ Object

# File 'lib/legion/llm/settings.rb', line 319

def self.knowledge_capture_defaults
  {
    enabled:              false,
    writeback_enabled:    false,
    local_ingest_enabled: false
  }
end

.metering_defaults ⇒ Object

# File 'lib/legion/llm/settings.rb', line 372

def self.metering_defaults
  {
    spool: {
      max_events:        10_000,
      flush_batch_sleep: 0.0
    }
  }
end

.prompt_caching_defaults ⇒ Object

# File 'lib/legion/llm/settings.rb', line 146

def self.prompt_caching_defaults
  {
    enabled:             true,
    min_tokens:          1024,
    scope:               'ephemeral',
    cache_system_prompt: true,
    cache_tools:         true,
    cache_conversation:  true,
    sort_tools:          true,
    response_cache:      {
      enabled:               true,
      ttl_seconds:           300,
      spool_dir:             '~/.legionio/data/spool/llm_responses',
      spool_threshold_bytes: 8 * 1024 * 1024
    }
  }
end

.provider_layer_defaults ⇒ Object

# File 'lib/legion/llm/settings.rb', line 408

def self.provider_layer_defaults
  {
    mode:             'auto',
    native_providers: %w[
      ollama vllm anthropic openai gemini mlx
      bedrock azure_foundry vertex
    ]
  }
end

.rag_defaults ⇒ Object

# File 'lib/legion/llm/settings.rb', line 290

def self.rag_defaults
  {
    enabled:                       true,
    full_limit:                    5,
    compact_limit:                 3,
    min_confidence:                0.92,
    utilization_compact_threshold: 0.7,
    utilization_skip_threshold:    0.9,
    conversation_history_enabled:  true,
    trivial_max_chars:             20,
    trivial_patterns:              %w[hello hi hey ping pong test ok okay yes no thanks thank],
    exclude_source_agents:         %w[teams-api-ingest unknown teams-entity-extractor legion-interlink]
  }
end

.rag_guard_defaults ⇒ Object

# File 'lib/legion/llm/settings.rb', line 305

def self.rag_guard_defaults
  {
    threshold:        0.7,
    block_on_failure: false,
    evaluators:       %i[faithfulness rag_relevancy]
  }
end

.register_defaults! ⇒ Object

# File 'lib/legion/llm/settings.rb', line 73

def self.register_defaults!
  log.debug '[llm][settings] action=register_defaults'
  Legion::Settings.register_library(:llm, default)
end

.routing_defaults ⇒ Object

# File 'lib/legion/llm/settings.rb', line 214

def self.routing_defaults
  {
    enabled:              true,
    tier_priority:        %w[local direct fleet cloud frontier],
    default_intent:       { privacy: 'normal', effort: 'moderate', operation: 'chat', cost: 'normal' },
    # Last-resort fallback model when both `default_model` and the
    # discovered provider chain are empty. Owned by routing because
    # the chain builder is the only consumer.
    last_resort_model:    'claude-sonnet-4-6',
    last_resort_provider: :anthropic,
    tiers:                {
      local:    { provider: 'ollama' },
      fleet:    {
        queue:           'llm.fleet',
        routing_style:   :shared_lane,
        timeout_seconds: 30,
        timeouts:        { embed: 10, chat: 30, generate: 30, default: 30 }
      },
      cloud:    { providers: %w[bedrock azure gemini] },
      frontier: { providers: %w[anthropic openai] }
    },
    health:               {
      window_seconds:               300,
      circuit_breaker:              { failure_threshold: 3, cooldown_seconds: 60 },
      latency_penalty_threshold_ms: 5000,
      budget:                       { daily_limit_usd: nil, monthly_limit_usd: nil }
    },
    escalation:           {
      enabled:            true,
      pipeline_enabled:   true,
      max_attempts:       3,
      quality_threshold:  0,
      skip_open_circuits: true
    },
    rules:                [],
    tier_mappings:        []
  }
end

.scheduling_defaults ⇒ Object

# File 'lib/legion/llm/settings.rb', line 281

def self.scheduling_defaults
  {
    enabled:         false,
    peak_hours_utc:  '14-22',
    defer_intents:   %w[batch background],
    max_defer_hours: 8
  }
end

.skills_defaults ⇒ Object

# File 'lib/legion/llm/settings.rb', line 483

def self.skills_defaults
  {
    enabled:           true,
    auto_inject:       true,
    on_demand:         true,
    max_active_skills: 1,
    directories:       ['.legion/skills', '~/.legionio/skills'],
    auto_discover:     { claude: false, codex: false },
    enabled_skills:    [],
    disabled_skills:   []
  }
end

.streaming_defaults ⇒ Object

# File 'lib/legion/llm/settings.rb', line 469

def self.streaming_defaults
  {
    # Per G6: tool_call argument buffering policy.
    # :buffered  — block emits atomically when arguments are complete (safe for failover at any point);
    #              SSE keep-alive pings sent during buffering so the client doesn't perceive a hang.
    # :unbuffered — real-time tool_call_delta arguments forwarded as they arrive (lower perceived latency,
    #              mid-tool-call failover degrades to resubmit-discarding-partials).
    tool_call_buffering:    :buffered,
    keep_alive_interval_ms: 5_000,
    # Emit a thinking content block for clients that render reasoning (Anthropic + Responses API).
    emit_thinking_blocks:   true
  }
end

.structured_output_defaults ⇒ Object

# File 'lib/legion/llm/settings.rb', line 502

def self.structured_output_defaults
  {
    retry_on_parse_failure: false,
    max_retries:            2
  }
end

.system_baseline_default ⇒ Object

# File 'lib/legion/llm/settings.rb', line 100

def self.system_baseline_default
  <<~PROMPT.strip
    You are Legion, an agentic AI partner running on the LegionIO framework.

    LegionIO is a governed, production-oriented cognitive task and orchestration platform.
    Your role is to help the user accomplish real work quickly, directly, and safely.

    Core behavior:
    - Honor user intent and constraints.
    - Prefer execution over prompt ceremony: do the task when possible, don't just describe it.
    - Be concise by default; expand only when the user asks for depth.
    - Be transparent: never claim you ran something you did not run, and never hide uncertainty.
    - Minimize blast radius: make the smallest effective change and preserve existing behavior unless asked otherwise.
    - Do not YOLO risky actions. For destructive, irreversible, security-sensitive, or high-impact actions, pause and get explicit confirmation.
    - When risk or ambiguity is high, ask focused clarifying questions before acting.
    - Validate outcomes when practical, and report what changed and why.
    - Prefer solving work directly in-session; only produce handoff artifacts (including prompts for other AI tools) when the user explicitly asks for that format.

    Trust model:
    - Trust is earned through reliable outcomes, clarity, and safe execution.
    - Speed matters, but never at the expense of integrity or user trust.

    Tool use:
    - There is no tool call limit per turn. You may make as many tool calls as needed to complete the task.
    - Do not stop mid-task claiming you hit a limit. Continue until the work is done or you need user input.
  PROMPT
end

.telemetry_defaults ⇒ Object

# File 'lib/legion/llm/settings.rb', line 364

def self.telemetry_defaults
  {
    pipeline_spans:    true,
    # Tag substitute when default_model is nil during span emission.
    unknown_model_tag: 'unknown'
  }
end

.tool_trigger_defaults ⇒ Object

# File 'lib/legion/llm/settings.rb', line 418

def self.tool_trigger_defaults
  {
    scan_depth:                        10,
    tool_limit:                        25,
    local_tool_limit:                  50,
    client_tool_passthrough:           true,
    client_tool_passthrough_whitelist: CLIENT_TOOL_PASSTHROUGH_WHITELIST_DEFAULT.dup,
    client_tool_passthrough_blacklist: CLIENT_TOOL_PASSTHROUGH_BLACKLIST_DEFAULT.dup
  }
end

.validate!(settings) ⇒ Object

# File 'lib/legion/llm/settings.rb', line 78

def self.validate!(settings)
  if settings.is_a?(Hash) && (settings.key?(:gateway) || settings.key?('gateway'))
    raise ArgumentError,
          'llm.gateway has been removed; configure provider instances instead'
  end

  routing = settings.is_a?(Hash) ? (settings[:routing] || settings['routing'] || {}) : {}
  if routing.is_a?(Hash) && (routing.key?(:use_fleet) || routing.key?('use_fleet'))
    raise ArgumentError,
          'routing.use_fleet has been removed; configure fleet.dispatch.enabled instead'
  end

  settings
end