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v0.0.30 — Cost Tracking for All 6 Agents

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@brandomagnani brandomagnani released this 03 Mar 00:59
· 149 commits to main since this release
v0.0.30
dd89a4a

Per-Run Cost Tracking — All 6 Agents (#35)

Extends per-run spend tracking (shipped in v0.0.29 for Claude + Codex) to all 6 agents: Gemini, Qwen, Kimi, and OpenCode. Every agent now has full getSessionCost() and getRunCost() support in gateway mode.

const e = new Evolve().withAgent({ type: "gemini" }); // or qwen, kimi, opencode
const r1 = await e.run({ prompt: "Analyze this" });
const r2 = await e.run({ prompt: "Summarize results" });

const session = await e.getSessionCost();
console.log(session.totalCost);    // total across all runs
for (const run of session.runs) {
  console.log(`#${run.index}: $${run.cost} | ${run.model}`);
}

5 Header Injection Paths

Each CLI reads custom HTTP headers differently. The SDK handles all of them transparently:

Agent Mechanism Details
Claude ANTHROPIC_CUSTOM_HEADERS env var Newline-separated, tag append
Gemini GEMINI_CLI_CUSTOM_HEADERS env var Comma-separated, tag overwrite (avoids parser ambiguity)
Codex env_http_headers in TOML config Per-env-var mapping
Qwen settings.json customHeaders JSON dot-path merge, preserves MCP config
Kimi --config-file with custom_headers Dedicated Evolve-owned TOML config
OpenCode OPENCODE_CONFIG_CONTENT env var Deep-merged inline JSON config

User Config Preservation

All paths preserve user-supplied configuration:

  • Claude/Gemini: merge with existing custom headers from secrets
  • Qwen: merge into existing settings.json (MCP servers, other settings preserved)
  • Kimi: separate config file (~/.kimi/evolve-config.toml) — never touches user's default config
  • OpenCode: deep-merges with user-provided OPENCODE_CONFIG_CONTENT (custom providers, plugins, theme, model headers all preserved)

Test Coverage

  • 126 unit tests covering all 6 agents' spend tracking paths
  • E2E integration: all 6 agents × 2 runs each, totalCost === sum(runs) verified
  • Round-trip test through Gemini CLI's actual header parser regex

Install

npm install @evolvingmachines/sdk@0.0.30   # TypeScript
pip install evolve-sdk==0.0.30             # Python
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