Function buildDynamicContext

bin/smallcode.js:1986–2006

(messages)

// when SMALLCODE_CACHE_SPLIT=true. Returns '' when there's no dynamic content
// or when cache-split is disabled.
function buildDynamicContext(messages) {
  if (process.env.SMALLCODE_CACHE_SPLIT === 'false') return ''; // default: enabled
  const parts = [
    // Memory + knowledge are query-dependent → move to user message (dynamic)
    getMemoryContext(messages),
    getSkillContext(messages),
    getKnowledgeContext(messages),
    getRagContext(messages),
    // Note: getPluginPrompts() stays in the system prompt — plugin instructions
    //   are authoritative and should come from the system role.
    // Note: getActivePlanContext() stays in the system prompt — the model needs
    //   to trust plan step instructions; user-role is ignored for directives.
    // Note: getTestRunnerContext() stays in the system prompt — it's stable and
    //   benefits from caching alongside the static base.
  ].filter(p => p && p.length > 0);
  if (parts.length === 0) return '';
  // Strip ANSI from the dynamic block — same reason we strip from messages:
  // memory/knowledge entries can contain ANSI color codes from prior tool output.
  const raw = `<sc:context>\n${parts.join('')}\n</sc:context>\n\n`;
  return raw.replace(/\x1b\[[0-9;]*[a-zA-Z]/g, '').replace(/\x1b\][^\x07]*\x07/g, '');
}

// Test runner context (Feature 10): inject the detected test command once
// so the model knows how to run tests without 3 discovery tool calls.