Report failed chain steps in the export

Readable dark theme and light theme

LibraxisAI list prices

Neutral price list labels

Parse reasoning, tool calls, route and usage; live OpenRouter pricing

tester: add prompt shuffler + local image attachments

Add lane API key + image URL fields

Hide legacy endpoint badges; improve lane API key handling

Add BYOK notice (keys stay in browser)

Lane-level API keys + EN canonical prompts

Update header text for Responses API focus

Initial import: API batch tester