Smart exploration of memory space, combining search and browsing.
This tool performs a guided exploration:
1. Searches within a specified scope (start_uri)
2. Returns an exploration path showing relevance scores
3. Returns matching results with requested layers
**When to use:**
- When you need to "wander" through memories with a purpose
- When you want to discover related content in a specific area
- When combining keyword hints with semantic discovery
**Parameters:**
- start_uri: Where to begin exploration (default: cortex://session)
- return_layers: Which layers to include in matches