Debugging the Extension - Zero Token Count Issue

How to View Logs

1. Press F5 to start debugging (or use the experimental instance if already running)
2. In the experimental instance:
   • Go to View > Output (or press Ctrl+Alt+O)
   • In the dropdown "Show output from:", select "Copilot Token Tracker"

What the Logs Will Tell You

When the toolbar shows "0 | 0", check these log entries:

1. Extension Initialization

[HH:mm:ss] === Copilot Token Tracker Extension Starting ===
[HH:mm:ss] Package GUID: 6B8CA5B3-1A9F-4C2E-8F3D-7E2A1B4C9D0F
[HH:mm:ss] Initializing commands...
[HH:mm:ss] === Extension Initialized Successfully ===

✅ Good: Extension loaded properly

2. Session Discovery

[HH:mm:ss] Refreshing token stats...
[HH:mm:ss] Starting stats build...
[HH:mm:ss] Discovering sessions from logs...
[HH:mm:ss] Checking log directory: C:\Users\[username]\AppData\Local\Temp\VSGitHubCopilotLogs
[HH:mm:ss] Found X log files
[HH:mm:ss] Found Y sessions from logs

Possible Issues:

• ❌ "Log directory not found": Visual Studio hasn't created Copilot Chat logs yet
• ❌ "Found 0 log files": No recent Copilot Chat activity
• ❌ "Found 0 sessions from logs": Log files don't contain session paths

3. Filesystem Discovery

[HH:mm:ss] Discovering sessions from filesystem...
[HH:mm:ss] Scanning filesystem starting from home: C:\Users\[username]
[HH:mm:ss] Added scan root: C:\repos
[HH:mm:ss] Added scan root: C:\code
[HH:mm:ss] Found copilot-chat dir: C:\path\to\.vs\solution\copilot-chat
[HH:mm:ss] Found Z session files in: C:\path\to\.vs\solution\copilot-chat\hash\sessions
[HH:mm:ss] Found N additional sessions from filesystem

Possible Issues:

• ❌ No "Found copilot-chat dir" messages: No Visual Studio solutions with Copilot Chat usage
• ❌ "Found 0 session files": The sessions directory exists but is empty

4. Stats Aggregation

[HH:mm:ss] Discovered M session files
[HH:mm:ss] Successfully parsed P sessions
[HH:mm:ss] Stats aggregated - Today: 1,234, Last30Days: 45,678
[HH:mm:ss] Stats updated: Today=1234, Last30Days=45678

Possible Issues:

• ❌ "Discovered 0 session files": No sessions found anywhere
• ❌ "Successfully parsed 0 sessions": Session files exist but couldn't be parsed (wrong format/corrupted)
• ❌ "Today: 0, Last30Days: 0": Sessions parsed but all are older than 30 days OR token data missing

Common Causes of "0 | 0"

1. Never Used Visual Studio Copilot Chat

The extension only tracks Visual Studio Copilot Chat sessions, not VS Code or GitHub.com.

Solution: Use Copilot Chat in Visual Studio at least once:

• Open Copilot Chat pane: View > Copilot Chat
• Ask a question
• Wait 5 minutes for the extension to refresh stats

2. Session Files in Unexpected Location

The extension looks for session files in:

• Log path: %LOCALAPPDATA%\Temp\VSGitHubCopilotLogs\*.chat.log
• Filesystem: .vs\{solution}\copilot-chat\{hash}\sessions\

Solution: Check the log output to see what paths it's scanning and compare with where your session files actually are.

3. Old Session Files

If all your Copilot Chat usage is older than 30 days, both "Today" and "Last30Days" will be zero.

Solution: Use Copilot Chat in the current Visual Studio session.

4. Parsing Failures

Session files might exist but fail to parse (format changes, corruption, etc.).

Solution: Look for ERROR messages in the logs about parsing failures.

Next Steps

After reviewing the logs, you'll know:

1. ✅ Are session files being discovered?
2. ✅ Are they being parsed successfully?
3. ✅ Are they within the 30-day window?
4. ✅ Do they contain token usage data?

Share the relevant log entries and I can help debug further!