Release target-aware audience wording v1.1.2

[alok-vibe-code]

Summary

• classify destination type from on-page evidence with the final URL as a supporting signal
• use audience-specific wording only when the target explicitly identifies that audience
• use neutral wording for unspecified audiences and separate courses from guides, services, pricing, implementation, and governance pages
• preserve the v1 API, WordPress integration, thresholds, and rate limits

Tests

• python -m unittest tests.test_placement (23 passed)
• python -m unittest discover -s tests (62 passed)