`!list` command producing incorrect output format

[timothyfroehlich]

Problem

The !list command is producing incorrect output that doesn't match expected formats, causing test failures and potentially confusing users.

Root Cause Analysis

From AGENT_TASKS.md analysis:

• The list command in src/cogs/command_handler.py is producing incorrect output
• Output format doesn't match what tests expect for target information
• Empty state handling may also be incorrect

Failed Test Evidence

Multiple test failures confirm this issue:

• test_list_targets_e2e
• test_list_command_empty
• test_list_command_with_targets

Impact

• Users see incorrect or confusing status information
• Cannot properly view their configured monitoring targets
• Affects user ability to manage their monitoring setup

Files Involved

• src/cogs/command_handler.py - Main list command logic
• Message formatting for list output
• Database queries for retrieving target information

Expected Behavior

The !list command should:

1. Show a clear, formatted list of all monitoring targets for the channel
2. Display target index, name/description, and status information
3. Handle empty state gracefully with helpful message
4. Use consistent formatting with other commands

Acceptance Criteria

• !list command produces correct output format
• Empty state shows helpful message
• Target information is displayed clearly and accurately
• Output matches test expectations
• All related tests pass

Priority

HIGH - This affects user ability to view and manage their monitoring configuration.