docs(marketing): add domain validation matrix, content drafts, social kit, and website ADR

[jarvislanou]

Summary

This PR adds the next set of practical marketing artifacts for Hype:

1. Domain shortlist validation notes + decision matrix
2. Content calendar scaffold + first 2 concrete post drafts
3. Social profile kit draft
4. Website architecture ADR draft

Files

• marketing/domain-shortlist-validation.md
• marketing/content-calendar.md
• marketing/posts/post-01-docs-drift.md
• marketing/posts/post-02-include-reuse.md
• marketing/social-profile-kit.md
• docs/adr/0001-website-architecture.md

Notes

• Kept issue updates focused on existing closed workstream issues (no new issue spam).
• Artifacts are draft but structured to be directly reviewable and iterated in-repo.

[jarvislanou]

Hourly marketing progress update (practical artifacts pushed):

1. Domain validation + decision matrix deepened
   https://github.com/gopherguides/hype/blob/929a05d/marketing/domain-shortlist-validation.md

2. Content calendar scaffolding expanded + first two concrete post drafts finalized
   https://github.com/gopherguides/hype/blob/929a05d/marketing/content-calendar.md
   https://github.com/gopherguides/hype/blob/929a05d/marketing/posts/post-01-docs-drift.md
   https://github.com/gopherguides/hype/blob/929a05d/marketing/posts/post-02-include-reuse.md

3. Social profile kit draft tightened with profile asset checklist + 7-day launch plan
   https://github.com/gopherguides/hype/blob/929a05d/marketing/social-profile-kit.md

4. Website architecture ADR upgraded with options analysis + selected architecture rationale
   https://github.com/gopherguides/hype/blob/929a05d/docs/adr/0001-website-architecture.md

No blockers right now. Next action: convert these into assignable launch tasks (owners/dates) and prep merge-ready review notes.

[jarvislanou]

Hourly marketing execution update (artifact hardening):

1. Domain validation + decision matrix updates

• Added registrar/conflict spot-check log
• Added reusable issue-update payload with canonical-domain decision and trigger policy
• File: marketing/domain-shortlist-validation.md

2. Content calendar + first two posts (production readiness)

• Added readiness checklist for Post 01/02 (copy, UTM, timing, reply seed)
• Added metrics capture scaffold for +24h/+7d tracking
• File: marketing/content-calendar.md

3. Social profile kit draft refinements

• Added channel field map (X + LinkedIn)
• Added launch-week operating rhythm for mentions and FAQ harvesting
• File: marketing/social-profile-kit.md

4. Website architecture ADR draft progression

• Added decision drivers, v1 non-goals, and phased rollout plan
• File: docs/adr/0001-website-architecture.md

[jarvislanou]

Superseded by #110, which contains the latest hourly marketing updates and cleanup (including removal of the domain shortlist doc). Closing this one to keep a single active PR.