TUI not rendering Memory for Harness

### Description

AWS Console:

CLI:

### Steps to Reproduce

`agencore create` (follow instructions to create a harness) and add managed memory followed by `agentcore dev`

### Expected Behavior

Memories should appear

### Actual Behavior

No memories appear

### CLI Version

v0.26.0

### Operating System

macOS

### Additional Context

_No response_

Reproduce with `agencore create`, add managed memory to the harness, and run `agentcore dev`; compare the TUI with the AWS Console behavior shown in the issue. Trace the harness memory display path and verify that managed memories appear in the TUI when the harness runs in development mode.

Written by the indexing model from the issue text.