What changed

• add scripts/prompt-optimize.js as the first formal Prompt Optimize market release
• add the prompt-optimize v1.0.0 entry and SHA-256 to index.json
• place a sparkle action to the left of the composer model selector, with optimize, cancel, restore, and editable style settings
• support OpenAI Chat Completions-compatible and Anthropic Messages providers

Why

The original local prototype accumulated CDP sidecar, local CORS proxy, page-fetch, and pluggable transport fallbacks so it could work before the Codex++ executable exposed an LLM bridge. Those paths delayed every request, could retry the same prompt through multiple transports, and were not appropriate for a one-file market install.

This formal version targets the Codex++ distribution contract directly and uses only the built-in /llm-proxy bridge.

User and developer impact

• market installation is a single self-contained JavaScript file; no Node sidecar or local proxy is required
• requests use one deterministic transport and fail with an upgrade message when the host bridge route is unavailable
• Base URLs must use HTTPS and cannot target localhost, private networks, or embed credentials
• API keys remain local and are not returned by the public diagnostics API
• delayed results cannot overwrite another thread or composer text that changed while the request was running
• script reload now removes input listeners, and idle DOM maintenance avoids repeated full scans when the button is already placed correctly

Distribution dependency

This script is intended for a Codex++ release whose executable includes the /llm-proxy bridge route. The currently installed older release reports Unknown bridge path; the script maps that response to a clear upgrade error. Please merge/release the host bridge capability before marking this market entry generally available.

Validation

• node --check scripts/prompt-optimize.js
• parsed index.json, checked required fields and duplicate IDs, and verified the recorded SHA-256
• verified no CDP sidecar, CORS proxy, page fetch, or pluggable transport residue remains
• live Codex renderer injection: composer input found, placement valid, order reported as star-model-send
• mocked formal bridge contract: OpenAI and Anthropic request construction and response parsing both passed
• cargo test -p codex-plus-core llm_proxy against the distribution host source: passed