Reply to comment: Confirm label refactor fixes 0 discovery items issue

[Copilot]

Analyzed the label format refactoring from campaign:<id> to z_campaign_<id> in response to @mnkiefer's question about whether this fixes the "0 discovery items" issue.

Analysis

The refactoring addresses two root causes of discovery failures:

• Colon conflict: The : in campaign:<id> conflicts with GitHub's search qualifier syntax (label:, repo:), causing query misparse
• Query simplification: Removes parentheses that can break GitHub's search parser

Example Impact

// Before: Fails to discover items
const query = `label:"campaign:my-id" (repo:owner/repo org:org1)`;

// After: Discovers items reliably  
const query = `label:"z_campaign_my-id" repo:owner/repo org:org1`;

Confirmed this should resolve the 0 discovery items issue by making labels search-API compatible.

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