System Engineer · L0101 · 2026-07-21

Slice system-engineer/0101 · Level 0101 (CI/CD & DevOps) · Adventurer tier · Engine verdict ⚠️ warn · Walked 2026-07-21

🔗 Perfection run · 🏠 Perfection dashboard · 📄 Raw report · 🕘 Change history

🎯 Session Summary

I walked the first window (5 of 13 quests) of the System Engineer → Level 0101 · CI/CD & DevOps (Adventurer ⚔️) slice as a learner, driving the sealed execute-engine evidence and reading each quest’s source in plan order. Headline verdict: WARN — the slice teaches solid, mostly-accurate CI/CD fundamentals (avg 75.0%, 2 pass / 2 warn / 1 fail), but it does not yet hold together as a coherent linked journey for this character.

Two concrete problems dominate. First, one quest is effectively a shell: Docker Containerization Mastery (fail, 51%) promises Compose, security hardening, and cloud deploy in its objectives and portfolio checklist but teaches only a single hello-world Dockerfile — every platform block is an empty placeholder. Second, the window’s ordering mixes two unrelated campaigns into the CI/CD line: a LaTeX-CV quest (Professional Identity Path) and The Warden’s Gate (the Ouroboros Loop campaign, which assumes a potion-book repo + green “First Turn” run from a level-0000 quest that is nowhere in this slice). A System Engineer expecting a build-test-deploy path hits a résumé-typesetting detour and a chapter-2-of-a-campaign whose chapter 1 was never provided. The genuinely strong spine is CI/CD Fundamentals → GitHub Actions Basics → The Warden’s Gate — that sub-chain is accurate and, apart from a git-identity gap and templating-tag leakage, ready to play.

🗺️ The Journey

Walked in walk-plan.json order (dependency-sorted window, index 0 of 3):

🔬 Evidence

All rows below are from the sealed walk-evidence.json (mode: execute, real commands run in the disposable sandbox). Quoted output is trimmed.

1 · CI/CD Fundamentals — ✅ 85 · ran 5/5 runnable snippets (4 passed, 1 failed)

Dimensions: commands_work 4 · content_accuracy 5 · completeness 4 · clarity 4 · structure 4 · safety 4.

• passed git --version && node --version → git version 2.54.0, v20.20.2.
• passed mkdir cicd-quest && cd cicd-quest && git init && npm init -y — scaffolded (only a harmless “master vs main default branch” hint).
• passed Chapter 2 package.json written verbatim: npm run build printed compiling... then build ok; npm test (node –test) ran 0 tests / 0 fail; npm run lint exited 0 — matches the quest’s “Ran it locally” checkpoint exactly.
• failed Chapter 3 trunk-based bash block: git checkout -b add-greeting and npm test succeeded, but git commit -am "feat: add greeting" hard-failed on the fresh sandbox — reproduced directly: “fatal: empty ident name … Please tell me who you are.” The quest never has the learner run git config --global user.name/user.email. The following git push -u origin add-greeting would also fail — no remote is ever configured in the quest.
• reasoned Both GitHub Actions YAML blocks (Ch.2 CI, Ch.4 Deploy) parse as valid YAML and use current syntax (actions/checkout@v4, actions/setup-node@v4, workflow_dispatch, secrets context). Not run against a live runner (no repo/remote in sandbox).

2 · Docker Containerization Mastery — ❌ 51 · ran 4/6 runnable (4 passed, 0 failed)

Dimensions: commands_work 3 · content_accuracy 3 · completeness 0 · clarity 2 · structure 2 · safety 5.

• passed The one substantive exercise works flawlessly: docker build -t my-first-image . (from FROM alpine:3.20 + exec-form CMD) built cleanly; docker run --rm my-first-image printed exactly Hello from your first Docker container! — verbatim match to the quest’s stated expected output.
• skipped All 5 “Choose Your Adventure Platform” fences (macOS/Windows/Linux/Cloud/Web) contain only a single comment line (e.g. # macOS-specific commands and setup) — nothing runnable.
• Engine finding (grep-verified): “‘compose’/’security’/’cloud’ appear only in objective/checklist lines, never in instructional prose or code.” The three non-hello-world “Portfolio Artifacts Created” items have nothing to build.

3 · GitHub Actions Basics — ⚠️ 74 · ran 10 snippets (7 passed, 3 failed)

Dimensions: commands_work 3 · content_accuracy 4 · completeness 4 · clarity 3 · structure 5 · safety 5.

• passed mkdir -p .github/workflows (macOS/Linux/Cloud paths) and the Windows New-Item equivalent.
• passed Ch.1 “Hello Actions” full workflow YAML, Ch.2 on: triggers block, Ch.2 needs: job-ordering YAML — all parse and match current GitHub Actions semantics; the matrix math (2×3 − 1 exclude = 5 jobs) checks out.
• failed gh run list (Cloud Realms path) — errored with no authenticated repo context in the sandbox (expected for a bare runner; a real Codespace would satisfy it).
• failed Ch.2 Secrets/Permissions YAML and Ch.3 Matrix YAML — contain inline literal {​% raw %​}/{​% endraw %​} tags mid-expression, e.g. API_TOKEN: ${​% raw %​}{​{ secrets.DEPLOY_TOKEN }​}{​% endraw %​} (line 291) and runs-on: ${​% raw %​}{​{ matrix.os }​}{​% endraw %​} (line 333). As raw source they are not valid GitHub Actions expression syntax.

4 · Forging the La(zy)TeX CV — ⚠️ 77 · ran 4/5 runnable (4 passed, 0 failed)

Dimensions: commands_work 4 · content_accuracy 3 · completeness 4 · clarity 4 · structure 4 · safety 5.

• passed Ch.2 cv.tex template + latexmk -pdf cv.tex — compiled cleanly in a TeX Live container and produced a PDF with selectable text and three clickable links (email/LinkedIn/GitHub), verified by direct execution.
• Engine content-accuracy gap: the quest’s claim (line 176) that the template “uses only base TeX Live packages … compiles cleanly with a stock LaTeX install” is false on a minimal/BasicTeX install — enumitem and titlesec (used at lines 183–184) are absent there and would throw File 'enumitem.sty' not found. The macOS BasicTeX note (line 121) installs latexmk fontawesome5 CormorantGaramond but omits those two.

5 · The Warden’s Gate — ✅ 88 · ran 3/1 runnable (3 passed, 0 failed)

Dimensions: commands_work 4 · content_accuracy 5 · completeness 4 · clarity 4 · structure 5 · safety 5.

• passed The gate + turn jobs YAML, the startup_failure trap YAML, and the two-line caller-permissions cure all parse and match GitHub’s real documented behavior (caller job permissions cap every job in a called workflow, validated at trigger time).
• skipped gh variable set LOOP_ENABLED … && gh workflow run … && gh run watch — could not run end-to-end (no authenticated GitHub repo in the sandbox); the embedded shell logic was validated by inspection.

🐞 Issues Found

Grouped by severity; each cites what was observed (tested = command actually run; reasoned = judged statically from source).

HIGH

• [Docker Mastery · Completeness] (tested — engine grep + snippet skips) The objectives + “Portfolio Artifacts Created” checklist promise Docker Compose, security best practices, and cloud deployment, but the body teaches only a single hello-world Dockerfile; the 5 platform fences (lines 114–150) are empty placeholder comments. Fix: either add real runnable content for Compose (docker-compose.yml + docker compose up), a hardening example (non-root USER, multi-stage, trivy/docker scan), and a registry-push/deploy step — or remove those items from the objectives/checklist so the quest stops promising what it never teaches. Also fill Ch.1 steps 1/2/4 (lines 166–169), which currently just restate their titles.
• [GitHub Actions Basics · Ch.2 & Ch.3 YAML] (tested — 2 failed YAML parses) Inline {​% raw %​}…{​% endraw %​} tags mid-expression at lines 291 and 333 (and inline in prose at lines 116 and 375) are invalid GitHub Actions syntax in the raw source. A learner who copies from GitHub’s source view / the .md gets a broken workflow. Fix: wrap the whole fenced block with the raw tags on their own lines (the pattern CI/CD Fundamentals uses at lines 381/395, which renders correctly), rather than embedding the tags inside the expression.
• [CI/CD Fundamentals · Ch.3 bash block] (tested — reproduced fatal error) git commit -am fails with “empty ident name … Please tell me who you are” on any fresh machine; the quest never teaches git config --global user.name/user.email. Fix: add a one-line git-identity setup in the platform section or immediately before the Ch.3 snippet.

MEDIUM

• [LaTeX CV · Ch.2 claim] (tested — engine reasoned from a real TeX Live compile + package knowledge) “Compiles cleanly with a stock LaTeX install” is untrue on BasicTeX/minimal installs (enumitem, titlesec missing). Fix: add enumitem titlesec to the BasicTeX tlmgr install line (121) or state the template needs a texlive-latex-extra-equivalent set; add a troubleshooting note for File '<pkg>.sty' not found.
• [CI/CD Fundamentals · Ch.3 push line] (reasoned) git push -u origin add-greeting (line 344) assumes a remote origin that no earlier step creates. Fix: add git remote add origin <url> context or explicitly label the push line illustrative.
• [GitHub Actions Basics · Cloud path] (tested — gh run list failed) gh run list (line 197) needs an authenticated repo/Codespace context. Fix: add a one-line note so learners outside a Codespace aren’t confused by the GH_TOKEN error.

LOW

• [Chain-wide · stale “Level hub” labels] (reasoned — read from source) Knowledge-Graph “Level hub” links disagree: CI/CD Fundamentals (line 501), GitHub Actions Basics (451), and Warden’s Gate (247) correctly say “Level 0101 - CI/CD & DevOps”, but Docker Mastery (316) and LaTeX CV (477) say “Level 0101 - Advanced Docker & DevOps” — a stale/inconsistent hub name. Fix: normalize to the level’s canonical theme.
• [Warden’s Gate · Mastery Challenge] (reasoned) The reusable-workflow stub (potion-fix.yml) has no starter snippet, unlike the rest of the quest. Fix: add a minimal stub so learners have a starting point.
• [CI/CD Fundamentals · sudo] (reasoned) The Linux path’s sudo apt install (line 191) is unqualified. Fix: a brief note that it needs admin rights.

🔗 Chain Continuity

Reading the five quests as one linear journey a System Engineer would actually take:

• The declared dependency inside the slice is satisfied and correctly ordered. GitHub Actions Basics declares required_quests: [/quests/0101/cicd-fundamentals/], and the planner places CI/CD Fundamentals (#1) before it (#3). A learner finishing #1 has the build-test-deploy mental model and the on:/secrets/needs: vocabulary that #3 builds on — genuinely good continuity. Warden’s Gate (#5) then deepens the same GitHub Actions permissions/gate material. This #1 → #3 → #5 sub-chain is the real CI/CD spine and it holds together.

• Two quests are thematic intruders in this window. LaTeX CV Forging (#4) belongs to the Professional Identity Path (primary_technology: latex, skill_focus: fullstack) — it teaches résumé typesetting, not CI/CD or infrastructure. For a System Engineer walking a DevOps level it is a jarring detour with no incoming or outgoing link to the other four quests. It is a fine quest in isolation (77%), but it dilutes the level’s identity.

• The last quest assumes setup the slice never provides. Warden’s Gate is Chapter II of the Ouroboros Loop campaign: its prerequisites demand “Chapter I’s potion-book repo with a green First Turn run” and its recommended_quests points to /quests/0000/ouroboros-loop-01-the-first-turn/ — a level-0000 quest absent from this slice. Every command (gh variable set LOOP_ENABLED, gh workflow run first-turn.yml) targets a first-turn.yml the learner never created here. A learner walking only the 0101 window cannot complete its mastery challenge without first detouring to a different level. The concepts are still readable, but the hands-on arc is broken at the seam.

• A recurring unstated prerequisite spans the DevOps quests: identity/auth setup. #1 does git commit without ever configuring a git identity (verified fatal); #3 and #5 lean on gh auth login / an authenticated repo (verified gh run list failure). No quest in the window owns “configure your git identity and authenticate gh once.” A first-timer hits the same class of wall in three of the five quests. This is the single highest-leverage continuity fix for the slice.

• Ordering nit: because the planner sorts by dependency graph, the two campaign-orphan quests (#4 LaTeX, #5 Warden’s Gate) land after the tight #1→#3 pair, so the felt experience is “two great CI/CD quests, then a résumé, then chapter-two-of-a-different-story.” Not a defect the quests can fix alone, but worth noting for how this character experiences the level.

🧠 Reasoning & Method

• Mode: execute. I did not run the engine — per the workflow contract, walk-evidence.json / walk-evidence.md were pre-computed and sealed by a deterministic engine step (the engine’s child claude processes cannot authenticate from an agent’s Bash tool). I consumed them verbatim.
• What is tested vs. reasoned: every passed/failed/skipped in §Evidence comes from a command the sandbox actually ran (per walk-evidence.json). Every item I derived by reading the quest source myself (stale hub labels, thematic-path mismatch, the cross-level prerequisite gap, the git/gh identity thread) is labelled reasoned — I read all five quest files in plan order but did not independently re-execute their commands.
• Coverage & limits:
  • This is window 1 of 3 — I walked 5 of the 13 quests in the level. The other 8 are out of scope for this run and unassessed here.
  • Sandbox limits mean anything needing a live authenticated GitHub context (gh run list, gh workflow run … && gh run watch, running a workflow on a real runner) was skipped/reasoned, not tested — this affects the two GitHub-Actions-heavy quests (#3, #5) most. Their YAML was parse-validated and their logic inspected, but no end-to-end Actions run was observed.
  • Cross-OS blocks (macOS brew/winget, Windows PowerShell) were skipped because the sandbox is Linux; the Linux/Cloud equivalents were run where they exist.
  • On the {​% raw %​} finding I add nuance the engine (which reads raw .md) can’t: Jekyll strips {​% raw %​}/{​% endraw %​} when rendering, so a learner copying from the published page likely gets valid syntax; the real hazard is copying from the raw markdown / GitHub source view. I did not render the page, so this rendered-vs-raw distinction is reasoned, while the failed YAML parse of the raw source is tested.
• Confidence: High on the per-quest verdicts (machine-checked, real commands). High on the chain-continuity findings, which come from directly quoted frontmatter/prerequisite lines. Medium on the exact learner impact of the templating tags, pending a rendered-page check.

Appendix — Machine evidence (verbatim from walk-evidence.md)

5 quests evaluated · ✅ 2 pass · ⚠️ 2 warn · ❌ 1 fail · avg 75.0% · ~$3.0902

	Score	Quest	Snippets run
✅	85	CI/CD Fundamentals: The Build-Test-Deploy Pipeline	5/5 (1✗)
❌	51	Docker Containerization Mastery: Level 0101 (5) Quest	4/6
⚠️	74	GitHub Actions Basics: Workflow Automation for Modern DevOps	10/4 (3✗)
⚠️	77	Forging the La(zy)TeX CV: Binary Level 0101 (5) Quest	4/5
✅	88	The Warden’s Gate: Kill Switches and Stage Gates	3/1