docs: migrate sponsor link to canonical UTM convention (GTM-32)

[TaltonFiggins]

Summary

Migrates the README sponsor link's UTM params to the canonical "Modem-owned repo README" row in the GTM UTM Tagging Strategy (updated 2026-05-18):

• utm_campaign: hunk → oss_hunk
• utm_content: (none) → readme_footer

Aligns with the convention applied to newly-shipped sponsor blocks in modem-dev/baudbot (GTM-29) and modem-dev/glance-agent-plugins (GTM-30). Companion PRs land in modem-dev/slop-scan and modem-dev/podguy on the same branch name.

Linear

GTM-32 — Migrate slop-scan, hunk, podguy sponsor links to canonical UTM convention

Changes

• Update both occurrences of the sponsor link (text + <a href> wrapping the <picture>)

Testing

• README renders correctly in GitHub markdown preview
• After merge: confirm $pageview with utm_campaign=oss_hunk lands in PostHog within ~24h (hunk is the highest-traffic of the three, fastest to verify)

Related

• UTM Generator (Notion) row needs Campaign/Content updated to match after merge

[greptile-apps]

Greptile Summary

Migrates the README sponsor link UTM parameters to the canonical "Modem-owned repo README" convention, changing utm_campaign from hunk to oss_hunk and adding utm_content=readme_footer.

• Both occurrences of the sponsor link (inline text and the <a href> wrapping the <picture> block) are updated consistently with identical parameter values.
• No functional code is touched; the change is confined to two URL strings in README.md.

Confidence Score: 5/5

Safe to merge — only two URL strings in README.md are modified, with no functional code touched.

Both sponsor link occurrences are updated identically and consistently; the URLs remain well-formed with the new query parameters appended correctly.

No files require special attention.

Important Files Changed

Filename	Overview
README.md	Updates both sponsor link occurrences (text + picture anchor) with new utm_campaign=oss_hunk and utm_content=readme_footer; changes are consistent and correctly applied.

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A[README Sponsor Link Click] --> B{UTM Parameters}
    B --> C["utm_source=github"]
    B --> D["utm_medium=oss"]
    B --> E["utm_campaign=oss_hunk\n(was: hunk)"]
    B --> F["utm_content=readme_footer\n(new)"]
    C & D & E & F --> G[modem.dev landing page]
    G --> H[PostHog $pageview event]

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