fix(marketing-plan): anonymize Olo reference example and sweep all leaks

Replaces all client-identifying details in the canonical example and
6 other reference files. Numbers and structural lessons preserved so
the example retains its teaching value.

Anonymizations applied:
- Client: Olo to Quietude (incl. all olo.app/space/audio/center domains)
- Team: Markus to Alex, Catarina to Sam, Corey Haines to Casey Reed,
  Shariq to Devon
- Product: Ona (AI) to Mira
- Repos: olo-* and Olo-Space/* to quietude-* and Quietude-Inc/*
- Endorser/investor specifics: Bryan Johnson to longevity-influencer
  (generic), Mark Pincus + OpenAI angels to consumer-tech angels,
  Andre Hurd/Daybreakers to partner-event-business
- Journal: Psychophysiology study to peer-reviewed psychophysiology study
- Substack: Coffee with Catarina to Sams newsletter

Other changes:
- Renamed references/example-olo.md to references/example-quietude.md
- Updated disclaimer at top of example to explain anonymization
- Updated VERSIONS.md changelog and plan-template.md reference
- Fixed an earlier blockquote that broke the AARRR table layout

Verified zero remaining identifying refs across all marketing-plan files.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

skills/marketing-plan/references/ops-stack-mapping.md

@@ -195,7 +195,7 @@ Section 11 of the plan must include at least one concrete operational example th
 - Tied to a non-technical person executing via the stack (proves it works without dedicated engineering)
 
 Examples from real engagements:
-- *"On the kickoff call, Markus drafted a working Customer.io abandoned-cart flow live, using Customer.io's Claude MCP. Validated that a non-technical founder can ship lifecycle work using the skill pattern independently."*
+- *"On the kickoff call, Alex drafted a working Customer.io abandoned-cart flow live, using Customer.io's Claude MCP. Validated that a non-technical founder can ship lifecycle work using the skill pattern independently."*
 - *"In two weeks, the team scaled from 0 to 14 ranking keywords using `programmatic-seo` against the Ahrefs API + GitHub MCP — no dedicated SEO hire required."*
 - *"The first email campaign generated a 24% reply rate after `cold-email` skill + GA4 MCP + Stripe MCP gave the team a verified target list of users with high LTV but no recent activity."*