Named-Persona Adversarial Review
TL;DR: Abstract roles find abstract problems. Named engineers with documented, sourced philosophies find problems you would actually fix — as long as you cite the real principle and never invent the quote.
Triggers: "review this PR with real engineers" | "named persona review" | "philosophy-grounded review"
Example Output
CRITICAL [Torvalds]: Special-case error handling at auth.ts:47 duplicates the
happy path. Torvalds' documented "good taste" principle: restructure so the
special case disappears rather than adding a branch. (confidence: high — TED 2016)
WARNING [Thompson]: parseConfig() does three unrelated things; the Unix
"do one thing well" principle argues to split it. (confidence: high)
NOTE [Jobs]: Error "EACCES:13" leaks an errno at the user surface; "start
from the customer experience" argues for a human message. (confidence: high — WWDC 1997)
Verdict: CONCERNS — fix CRITICAL before merge.
Problem
Abstract adversarial review ("act as a saboteur") produces generic findings — the model imagines what a reviewer might say. This skill grounds each lens in a real, sourced engineering philosophy documented in references/persona_principles.md: what Ken Thompson actually argued about trust, what Linus actually demonstrated about good taste — not what an AI imagines.
How it differs from adversarial-reviewer: abstract roles → surface-level findings; named, sourced personas → findings anchored to a documented principle you can cite and defend.
Cost: 1 round ≈ 8-12 min. Comparable to waiting for CI.
Attribution discipline (read this first — it is the load-bearing rule)
This skill puts named, real people's principles to work. That power is also its failure mode: language models hallucinate quotes. To stay honest:
- Cite the principle, not a fabricated verbatim quote. Prefer paraphrasing a documented position ("Thompson's Reflections on Trusting Trust argues you can't trust code you didn't fully create") over inventing quotation marks around words the person may never have said.
- Attach a confidence level to every attribution —
high (documented, in references/persona_principles.md with a source), moderate (widely attributed, source not pinned), low/unknown (you're inferring). Mirrors productivity/andreessen's citation discipline.
- If you cannot ground a persona's lens in a real source, drop that persona. A confidently-wrong quote attributed to a living engineer is worse than one fewer reviewer. Never fabricate a citation to hit the "≥1 finding" bar.
- The finding must stand on its own technical merit. The persona is a lens that directs attention, not the authority that makes the finding true. A real bug found "through Carmack's lens" is real because it's a bug, not because Carmack said so.
Rules
- Ground before role-play. Anchor each persona in
references/persona_principles.md (or a verifiable search) first. Ungrounded = invalid.
- Findings stand on technical merit, with the persona's principle as the lens — see the discipline above.
- Product persona mandatory every round. Engineers miss UX. Always include one.
- Honesty over quantity. Don't fabricate findings or citations. Clean dimensions get reported clean (with the zero-finding burden below).
- Zero-finding burden. "Looks fine" is only valid if you name 3+ principles the code demonstrably satisfies, and how. Non-findings are as expensive as findings.
Persona Pools
Each persona's documented principles + sources + confidence live in references/persona_principles.md.
Product (pick 1 per round — mandatory):
| Persona |
Documented principle |
Best for |
| Steve Jobs |
Start from the customer experience, work back to the tech |
UX, onboarding |
| Marty Cagan |
Fall in love with the problem, not the solution |
PRDs, feature specs, scope creep |
| Des Traynor (Intercom) |
The first 30 seconds decide adoption |
Docs, READMEs, quick starts |
Engineers (pick 2 per round):
| Persona |
Documented principle |
Best for |
Blind spot |
| Ken Thompson |
Trust boundaries; do one thing well |
Architecture, supply chain, API |
UX, docs |
| Linus Torvalds |
Eliminate the special case ("good taste"); never break userspace |
Logic, data structures, compat |
User empathy, DX |
| John Carmack |
Measure before you optimize; performance as craft |
Algorithms, hot paths |
Minimalism |
| Kent Beck |
Simple design; make it work → right → fast |
Process, testability |
Performance, security |
| Fred Brooks |
Essential vs. accidental complexity |
System design, estimation |
Low-level perf |
Routing (which personas when):
- Code correctness → Torvalds + Carmack + Jobs
- Architecture / design → Thompson + Brooks + Cagan
- Documentation / API → Thompson + Beck + Traynor
- Performance → Carmack + Torvalds + Jobs
- Security / supply chain → Thompson + Torvalds + Cagan
- 1st round on any PR → Torvalds + Thompson + Jobs (broadest coverage)
Severity Levels
| Level |
Definition |
Action |
| BLOCKER |
2+ personas concur on a CRITICAL, or security / data-loss risk |
Fix before any further work |
| CRITICAL |
Wrong result, data loss, security hole, or violated core invariant |
Fix before merge |
| WARNING |
Fragile, misleading, or likely to cause future bugs |
Fix, or explain if deferred |
| NOTE |
Improvement that doesn't affect correctness |
Optional; record for follow-up |
Promotion: NOTE → WARNING → CRITICAL → BLOCKER. Two personas independently finding the same issue promotes it one level (concurrence is signal). BLOCKER is the ceiling.
The Process
Step 0: Read twice
- Top-down (comprehension): what changed, and why.
- Bottom-up (adversarial): read function by function, last to first. Ask what each function actually guarantees vs. what its name implies, where it can fail, and what it assumes about callers. Reading bottom-up breaks the author's mental model. Multi-file → trace one end-to-end path.
Step 1: Ground the principles first
For each persona, pull their documented principles from references/persona_principles.md (or search "[Name] engineering philosophy principles" and extract only sourced positions) before looking at the code, so you apply the principle rather than retrofitting one to an opinion you already formed.
Step 2: Review (3 independent — 2 engineers + 1 product)
Each persona gets: Mindset (one sentence from their principles), Priorities (3-5 criteria), Findings (each mapped to a documented principle + confidence level), or the zero-finding burden (3+ principles the code satisfies, with how).
Step 3: Synthesize & post
Merge duplicates; count concurrences; promote per the rule; flag single-lens findings (often the most interesting). Post the report as a PR comment (default) or save to .claude/review-[timestamp].md.
Integrity Check (Feynman)
"The first principle is that you must not fool yourself — and you are the easiest person to fool." — Richard Feynman, Cargo Cult Science (Caltech commencement, 1974)
After each round, ask:
- Would this person's documented philosophy actually direct attention here — or am I projecting?
- Did I cite a real, sourced principle (confidence marked), or dress generic advice in a famous name?
- Are my findings true on technical merit independent of the name attached?
- All NOTE-level? Then I'm narrating one perspective in different voices. Switch ≥2 personas and re-review.
Exit Condition
- 1 round minimum for any PR.
- BLOCKER/CRITICAL found → fix, then 1 re-review round.
- CONCERNS (WARNING) → fix or accept risk, then 1 more round.
- CLEAN on 2 consecutive rounds → done.
- CLEAN on round 1 for a low-impact PR → done (1 round is enough).
When to Use
- You want deeper coverage than standard automated checks alone.
- A self-authored PR needs pre-submit hardening.
adversarial-reviewer findings feel generic and you want sourced specificity.
- Reviewing methodologies or docs (product personas excel here).
- Auth, data, architecture, or public-API changes.
When NOT to Use
- Low-impact PR (cosmetic only, no logic change) → use
adversarial-reviewer.
- No web access AND the persona isn't covered in
references/persona_principles.md → you can't ground it; don't fabricate.
- Throwaway / prototype code.
Anti-Patterns
Inherits all from adversarial-reviewer. Plus:
| Anti-Pattern |
Why wrong |
| Inventing a verbatim quote to sound authoritative |
Fabricated attribution to a real person. Cite the sourced principle + confidence, or drop it. |
| "As a senior engineer" without grounding |
Not a named, sourced lens. Ground first. |
| Same 3 personas every time |
Rotate per problem type — see Routing. |
| Product person skipped |
Product catches what engineers miss. |
| Fabricating a finding to hit "≥1 issue" |
The bar is honesty, not quota. Use the zero-finding burden instead. |
| Skipping the integrity check |
Verification without verification = rubber-stamp. |
| 3 rounds for a trivial change |
Low-impact PRs: 1 round is enough. |
Cross-References
Attribution: Concept contributed by @YuhaoLin2005 (PR #866). Hardened for this repo: consolidated to one location, anti-fabrication/confidence discipline added, principles sourced in references/.
1---2name: named-persona-adversarial-review3description: Code review through the lens of real engineers' documented philosophies (Torvalds, Thompson, Carmack, Kent Beck, Jobs, Cagan). Complements abstract-role adversarial review with named, sourced perspectives. Use when automated review findings feel generic, when a PR has architectural or UX impact, or when the author wants pre-submit hardening beyond standard checks.4---56# Named-Persona Adversarial Review78> **TL;DR:** Abstract roles find abstract problems. Named engineers with *documented, sourced* philosophies find problems you would actually fix — as long as you cite the real principle and never invent the quote.910**Triggers:** "review this PR with real engineers" | "named persona review" | "philosophy-grounded review"1112## Example Output1314```15CRITICAL [Torvalds]: Special-case error handling at auth.ts:47 duplicates the16 happy path. Torvalds' documented "good taste" principle: restructure so the17 special case disappears rather than adding a branch. (confidence: high — TED 2016)18WARNING [Thompson]: parseConfig() does three unrelated things; the Unix19 "do one thing well" principle argues to split it. (confidence: high)20NOTE [Jobs]: Error "EACCES:13" leaks an errno at the user surface; "start21 from the customer experience" argues for a human message. (confidence: high — WWDC 1997)22Verdict: CONCERNS — fix CRITICAL before merge.23```2425## Problem2627Abstract adversarial review ("act as a saboteur") produces generic findings — the model imagines what a reviewer *might* say. This skill grounds each lens in a **real, sourced engineering philosophy** documented in [`references/persona_principles.md`](references/persona_principles.md): what Ken Thompson actually argued about trust, what Linus actually demonstrated about good taste — not what an AI imagines.2829**How it differs from `adversarial-reviewer`:** abstract roles → surface-level findings; named, sourced personas → findings anchored to a documented principle you can cite and defend.3031**Cost:** 1 round ≈ 8-12 min. Comparable to waiting for CI.3233## Attribution discipline (read this first — it is the load-bearing rule)3435This skill puts named, real people's *principles* to work. That power is also its failure mode: **language models hallucinate quotes.** To stay honest:36371. **Cite the principle, not a fabricated verbatim quote.** Prefer paraphrasing a documented position ("Thompson's *Reflections on Trusting Trust* argues you can't trust code you didn't fully create") over inventing quotation marks around words the person may never have said.382. **Attach a confidence level to every attribution** — `high` (documented, in `references/persona_principles.md` with a source), `moderate` (widely attributed, source not pinned), `low`/`unknown` (you're inferring). Mirrors `productivity/andreessen`'s citation discipline.393. **If you cannot ground a persona's lens in a real source, drop that persona.** A confidently-wrong quote attributed to a living engineer is worse than one fewer reviewer. Never fabricate a citation to hit the "≥1 finding" bar.404. **The finding must stand on its own technical merit.** The persona is a *lens that directs attention*, not the authority that makes the finding true. A real bug found "through Carmack's lens" is real because it's a bug, not because Carmack said so.4142## Rules4344- **Ground before role-play.** Anchor each persona in `references/persona_principles.md` (or a verifiable search) first. Ungrounded = invalid.45- **Findings stand on technical merit**, with the persona's principle as the lens — see the discipline above.46- **Product persona mandatory every round.** Engineers miss UX. Always include one.47- **Honesty over quantity.** Don't fabricate findings *or* citations. Clean dimensions get reported clean (with the zero-finding burden below).48- **Zero-finding burden.** "Looks fine" is only valid if you name 3+ principles the code demonstrably satisfies, and how. Non-findings are as expensive as findings.4950## Persona Pools5152Each persona's documented principles + sources + confidence live in [`references/persona_principles.md`](references/persona_principles.md).5354**Product** (pick 1 per round — mandatory):5556| Persona | Documented principle | Best for |57|---------|----------------------|----------|58| Steve Jobs | Start from the customer experience, work back to the tech | UX, onboarding |59| Marty Cagan | Fall in love with the problem, not the solution | PRDs, feature specs, scope creep |60| Des Traynor (Intercom) | The first 30 seconds decide adoption | Docs, READMEs, quick starts |6162**Engineers** (pick 2 per round):6364| Persona | Documented principle | Best for | Blind spot |65|---------|----------------------|----------|------------|66| Ken Thompson | Trust boundaries; do one thing well | Architecture, supply chain, API | UX, docs |67| Linus Torvalds | Eliminate the special case ("good taste"); never break userspace | Logic, data structures, compat | User empathy, DX |68| John Carmack | Measure before you optimize; performance as craft | Algorithms, hot paths | Minimalism |69| Kent Beck | Simple design; make it work → right → fast | Process, testability | Performance, security |70| Fred Brooks | Essential vs. accidental complexity | System design, estimation | Low-level perf |7172**Routing (which personas when):**73- Code correctness → Torvalds + Carmack + Jobs74- Architecture / design → Thompson + Brooks + Cagan75- Documentation / API → Thompson + Beck + Traynor76- Performance → Carmack + Torvalds + Jobs77- Security / supply chain → Thompson + Torvalds + Cagan78- 1st round on any PR → Torvalds + Thompson + Jobs (broadest coverage)7980## Severity Levels8182| Level | Definition | Action |83|-------|-----------|--------|84| BLOCKER | 2+ personas concur on a CRITICAL, or security / data-loss risk | Fix before any further work |85| CRITICAL | Wrong result, data loss, security hole, or violated core invariant | Fix before merge |86| WARNING | Fragile, misleading, or likely to cause future bugs | Fix, or explain if deferred |87| NOTE | Improvement that doesn't affect correctness | Optional; record for follow-up |8889**Promotion:** NOTE → WARNING → CRITICAL → BLOCKER. Two personas independently finding the same issue promotes it one level (concurrence is signal). BLOCKER is the ceiling.9091## The Process9293### Step 0: Read twice941. **Top-down** (comprehension): what changed, and why.952. **Bottom-up** (adversarial): read function by function, last to first. Ask what each function *actually* guarantees vs. what its name implies, where it can fail, and what it assumes about callers. Reading bottom-up breaks the author's mental model. Multi-file → trace one end-to-end path.9697### Step 1: Ground the principles first98For each persona, pull their documented principles from `references/persona_principles.md` (or search `"[Name] engineering philosophy principles"` and extract only sourced positions) **before** looking at the code, so you apply the principle rather than retrofitting one to an opinion you already formed.99100### Step 2: Review (3 independent — 2 engineers + 1 product)101Each persona gets: **Mindset** (one sentence from their principles), **Priorities** (3-5 criteria), **Findings** (each mapped to a documented principle + confidence level), or the **zero-finding burden** (3+ principles the code satisfies, with how).102103### Step 3: Synthesize & post104Merge duplicates; count concurrences; promote per the rule; flag single-lens findings (often the most interesting). Post the report as a PR comment (default) or save to `.claude/review-[timestamp].md`.105106## Integrity Check (Feynman)107108> "The first principle is that you must not fool yourself — and you are the easiest person to fool." — Richard Feynman, *Cargo Cult Science* (Caltech commencement, 1974)109110After each round, ask:1111. Would this person's *documented* philosophy actually direct attention here — or am I projecting?1122. Did I cite a real, sourced principle (confidence marked), or dress generic advice in a famous name?1133. Are my findings true on technical merit independent of the name attached?1144. All NOTE-level? Then I'm narrating one perspective in different voices. Switch ≥2 personas and re-review.115116## Exit Condition117118- **1 round minimum** for any PR.119- **BLOCKER/CRITICAL found** → fix, then 1 re-review round.120- **CONCERNS (WARNING)** → fix or accept risk, then 1 more round.121- **CLEAN on 2 consecutive rounds** → done.122- **CLEAN on round 1 for a low-impact PR** → done (1 round is enough).123124## When to Use125126- You want deeper coverage than standard automated checks alone.127- A self-authored PR needs pre-submit hardening.128- `adversarial-reviewer` findings feel generic and you want sourced specificity.129- Reviewing methodologies or docs (product personas excel here).130- Auth, data, architecture, or public-API changes.131132## When NOT to Use133134- Low-impact PR (cosmetic only, no logic change) → use `adversarial-reviewer`.135- No web access AND the persona isn't covered in `references/persona_principles.md` → you can't ground it; don't fabricate.136- Throwaway / prototype code.137138## Anti-Patterns139140Inherits all from `adversarial-reviewer`. Plus:141142| Anti-Pattern | Why wrong |143|-------------|----------|144| Inventing a verbatim quote to sound authoritative | Fabricated attribution to a real person. Cite the sourced principle + confidence, or drop it. |145| "As a senior engineer" without grounding | Not a named, sourced lens. Ground first. |146| Same 3 personas every time | Rotate per problem type — see Routing. |147| Product person skipped | Product catches what engineers miss. |148| Fabricating a finding to hit "≥1 issue" | The bar is honesty, not quota. Use the zero-finding burden instead. |149| Skipping the integrity check | Verification without verification = rubber-stamp. |150| 3 rounds for a trivial change | Low-impact PRs: 1 round is enough. |151152## Cross-References153154- **Extends:** [`engineering-team/adversarial-reviewer`](../adversarial-reviewer/SKILL.md) — abstract-role adversarial review (simpler, faster, no grounding needed)155- **Related:** [`engineering-team/code-reviewer`](../code-reviewer/SKILL.md), [`engineering-team/senior-security`](../senior-security/SKILL.md)156- **Sibling discipline:** [`productivity/andreessen`](../../../productivity/andreessen/skills/andreessen/SKILL.md) — the confidence-level / never-fabricate-a-citation pattern this skill adopts157- **Sources & confidence per persona:** [`references/persona_principles.md`](references/persona_principles.md)158- **Theory:** Edward de Bono, *Six Thinking Hats* (1985); Daniel Kahneman, *Thinking, Fast and Slow* (2011) — System-2 forcing via role switching159160---161162**Attribution:** Concept contributed by [@YuhaoLin2005](https://github.com/YuhaoLin2005) (PR #866). Hardened for this repo: consolidated to one location, anti-fabrication/confidence discipline added, principles sourced in `references/`.