633f89a5fb
- Added `getObservationById` method to retrieve observations by ID in SessionStore. - Introduced `getSessionSummariesByIds` and `getUserPromptsByIds` methods for fetching session summaries and user prompts by IDs. - Developed `getTimelineAroundTimestamp` and `getTimelineAroundObservation` methods to provide a unified timeline of observations, sessions, and prompts around a specified anchor point. - Enhanced ChromaSync to format and sync user prompts, including a new `syncUserPrompt` method. - Updated WorkerService to sync the latest user prompt to Chroma after updating the worker port. - Created tests for timeline querying and MCP handler logic to ensure functionality. - Documented the implementation plan for user prompts and timeline context tool in the Chroma search completion plan.