Add standalone conversationParser module to extract full conversation
transcripts from NEEDLE logs. This completes Phase 1 Core Infrastructure
item for conversation parsing.
Implementation:
- isConversationSpanEvent(): Identify conversation-related span events
- buildConversationSessions(): Build sessions from log events
- getWorkerConversationSessions(): Filter sessions by worker
- getBeadConversationSession(): Get session for a specific bead
- extractConversationEvents(): Extract all conversation events
Types supported:
- PromptEvent: User input/prompt
- ResponseEvent: Assistant response text
- ThinkingEvent: Internal reasoning/thinking blocks
- ToolCallEvent: Tool invocations with arguments
- ToolResultEvent: Tool call results
Also updates docs/plan.md to mark Phase 1 Core Infrastructure items complete.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
