agent-top v0.4.0

[0.4.0] - 2026-09-05

Added

• Gemini CLI adapter. Gemini CLI sessions now get the same row as Claude Code and Codex: tokens, cost, turns, tool calls, web searches, the tool trace and the trace export. It reads ~/.gemini/tmp/<project>/chats/session-*.jsonl (the layout of Gemini CLI 0.58), folds a subagent's transcript under chats/<session id>/ into its parent, counts thinking tokens as output and tool-use prompt tokens as input the way Google bills them, and dedupes messages by id so a rewind or a checkpoint cannot count a response twice. A process is matched to its conversation by working directory and start time, and the row is labelled as that heuristic; Gemini CLI keeps no registry and does not hold the file open. Legacy single-document session-*.json files are not read.
• Gemini prices in the built-in table: gemini-2.5-pro, gemini-2.5-flash, gemini-2.5-flash-lite, gemini-3-flash, gemini-3.1-pro, gemini-3.1-flash-lite, gemini-3.5-flash, gemini-3.5-flash-lite, gemini-3.6-flash, gemini-3.7-flash and gemini-3.8-flash, at Google's paid-tier rate for prompts under 200k tokens, checked 2026-09-05. Cache writes are the input price, since Gemini CLI's implicit caching has no write charge. A prompt over 200k tokens is priced at the lower tier rather than guessed at.
• A golden fixture for Gemini CLI 0.58, written by the CLI's own recorder driven with a scripted conversation, with the exact numbers it must produce, plus Chrome and OTLP trace goldens and a drift test.

Changed

• The harness adapter contract (RFC-101). Each harness is now a HarnessAdapter in agent-top-core: it lists its transcripts, says which belong to which process, opens a tracker and recognises its own files. The collector holds a list of adapters and names no harness. harness::adapters() lists them; harness::detect and agent-top trace --session <id> resolve through them. harness::open_transcript returns None for a harness with no adapter instead of falling back to the Claude parser. The --json shape is unchanged.
• The Codex attribution logic and its tests moved from the collector into the Codex adapter; harness::codex::rollout_id is public.
• The price table's updated field is 2026-09-05.