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refactor(linkedin-studio): S30 magnitude-scrub (discrete-% class) — unsourced reach/engagement penalties -> SSOT

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Hardening-class, NOT re-hardening: surgical SSOT-reconciliation of discrete percentage
penalties/declines stated as fact with no primary source in the SSOT
(references/algorithm-signals-reference.md). Same tool-grounded discipline as S27/S28
(read-and-show -> grep-confirm -> re-grep final). Re-grep surfaced drift + same-class siblings
beyond the plan's stored list; all surfaced and operator-approved before edit.

Scope: the discrete-% reach/engagement-penalty class only. The unsourced "Nx" reach/format
MULTIPLIER class (~50 instances across ~15 files) is a separate, larger pass -> deferred to S31
(operator: run everything, across multiple sessions).

HARDEN (20 edits, 7 files):
- linkedin-formats.md (5): :6 47-50% decline + :7 15%->31% feed-share -> directional; :176
  AI-comment 30%/55% -> ~45% less engagement (correlational, medium); :231/:279 hashtags -68%
  -> diminishing returns, no discrete figure.
- linkedin-growth-playbook (6): :158 47-50% decline (twin of formats:6) + :166 hashtags -68%
  + :224/:225 post-length 25%/32% + :435/:828 posting-frequency 25% -> directional, no
  discrete figure. (:221 1.17x multiplier folded in per operator approval; the rest of the
  multiplier class -> S31.)
- glossary.md (2): :91 engagement-bait -30-50% + :235 topic-gap -15-25% -> "correlate with
  lower reach, no discrete figure".
- engagement-coach.md (2): :195 55% + :455 -30%/-55% AI-comment -> ~45% less engagement
  (correlational), actively suppressed.
- post-feedback-monitor.md (1): :330 -25%/post -> "tends to split your own audience".
- ab-testing-framework.md (1): :66 hashtags -68% -> no discrete figure.
- poll-strategy-guide.md (2): :20 / :205 poll-overuse penalty -> declining effectiveness
  (directional).

KEPT INTACT (operator-locked / different class): engagement-pod + AI-slop suppression framing
(SSOT high-confidence); firsthour:112 (no number); poll:206 / poll:3 (qualitative); growth:567
conversion-rate; formats:268 list item.

VERIFY: discrete-% penalty/decline class re-grep across the 7 files -> NONE; leave-items intact;
bash scripts/test-runner.sh -> Passed 81 / Failed 0 / Warnings 0, exit 0; counts 29/19/26/6 +
v0.5.0 unchanged (.md prose only). Disposition: FIXED (20 edits, 7 files), one atomic commit,
local (push held).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_016qgzo6rxthw7KuxHjn5vyE
This commit is contained in:
Kjell Tore Guttormsen 2026-06-20 09:08:59 +02:00
commit 1bab1d6df1
7 changed files with 20 additions and 20 deletions
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4
agents/engagement-coach.md
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@ -192,7 +192,7 @@ Structure: Connect to their point → Share brief relevant story → Extract the
4. **Write for the audience**, not just the author — other readers are watching
5. **End with energy** — a question or statement that invites response
6. **Match the post's tone** — serious post = serious comment, personal post = personal comment
7. **AI-generated comments cost you** — 55% engagement penalty when detected. Use templates as scaffolding, write in YOUR voice.
7. **AI-generated comments cost you** — ~45% less engagement (correlational, medium confidence) and actively suppressed when detected. Use templates as scaffolding, write in YOUR voice.
### Optimal Comment Windows (CET)
@ -452,7 +452,7 @@ Why this works: [Brief explanation]
| "Thanks for sharing" | Passive, doesn't spark conversation | Share what specifically resonated and why |
| "100%" / "This!" / emoji-only | Not counted as quality engagement | Write 15+ words with your perspective |
| Pitch in comments | Reputation killer, transparent self-promotion | Add value first, DM relationship later |
| AI-generated comments | -30% reach, -55% engagement when detected | Use CEA templates but write in YOUR voice |
| AI-generated comments | ~45% less engagement (correlational); actively suppressed when detected | Use CEA templates but write in YOUR voice |
| Comment pods | Actively detected, shadow-ban risk | Build genuine inner circle through real engagement |
| Only commenting when you post | Algorithm notices inconsistent behavior | Comment daily regardless of posting schedule |
| Commenting late (>3 hours) | Miss the visibility window | Set alerts for key accounts, check feed 3-4x daily |