[FEATURE] Fleetview, allow renaming of projects

Preflight Checklist

• [x] I have searched existing requests and this feature hasn't been requested yet
• [x] This is a single feature request (not multiple features)

Problem Statement

When in Claude Agent Fleetview screen, in project view, groups of agent's are divided by path, this would be much more useful if they could be labelled.

Now

~/dev/foo/project1
∙ Issue 449                  Stopped · stopped from session                                                                            1h

~/dev/foo
✻ housekeeping maintenance   Done · Draft PR https://github.com/foo/pull/22                           #14  16h

~/dev/foo/project2
✻ 22-598                     Done · AB#598→Resolved, AB#597 AC3 posted, handover.md updated…   #22   7m

Proposed Solution

Use the current ctrl+r to rename command, but extend it to apply to projects.

Proposed

foo
✻ housekeeping maintenance   Done · Draft PR https://github.com/foo/pull/22                           #14  16h

project1
∙ Issue 449                  Stopped · stopped from session                                                                            1h

project2
✻ 22-598                     Done · AB#598→Resolved, AB#597 AC3 posted, handover.md updated…   #22   7m

Alternative Solutions

_No response_

Priority

Medium - Would be very helpful

Feature Category

CLI commands and flags

Use Case Example

_No response_

Additional Context

_No response_