System Engineer · L0101 · 2026-07-15

Slice system-engineer/0101 · Level 0101 (CI/CD & DevOps) · Adventurer tier · Engine verdict ⚠️ warn · Walked 2026-07-15

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

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🎯 Session Summary

• Character / class: 🏗️ System Engineer (Adventurer tier ⚔️)
• Level: 0101 — theme CI/CD & DevOps, permalink /quests/0101/
• Quests walked: 5 (window 1 of 3; the full level holds 13 quests — this is a rotating window, not the whole level)
• Mode: execute — quest commands were run for real in a disposable sandbox by the agentic engine; I consumed the workflow-sealed walk-evidence.json / walk-evidence.md as-is (I did not and cannot re-run the engine from the agent).
• Headline verdict: ⚠️ WARN — 3 pass / 0 warn / 2 fail, average 60.8%.

The three CI/CD-native quests in this slice — CI/CD Fundamentals (88), GitHub Actions Basics (80), and The Warden’s Gate (83) — form a genuinely strong, correctly-ordered spine for a System Engineer: concepts → workflow syntax → production-grade kill-switch/permissions discipline. Their flaws are consistent and narrow (they teach a git/push rhythm but never show git remote add origin or an initial commit, so the “make it green in the Actions tab” challenges can’t be completed from the document alone). The two failing quests are not part of that spine and drag the average down: Docker Containerization Mastery (12) is a verbatim unfilled scaffold — every code block is a placeholder and the one Docker-tagged block fails to build — and Forging the La(zy)TeX CV (41) promises a cv.tex it never provides and writes every LaTeX example with an invalid doubled backslash. A maintainer should treat Docker and LaTeX-CV as blocking content bugs and the spine’s missing-git-remote gap as a shared, easily-fixed medium.

🗺️ The Journey

Walked in walk-plan.json order (dependency-sorted):

1. ✅ CI/CD Fundamentals: The Build-Test-Deploy Pipeline — 88 · the package.json build/test/lint artifact runs exactly as documented; only the Chapter 3 git rhythm has a real gotcha (no initial commit, no remote).
2. ❌ Docker Containerization Mastery: Level 0101 (5) Quest — 12 · an unfilled template; 6/6 code blocks are placeholders and the docker block fails to build. Teaches nothing about Docker despite the title.
3. ✅ GitHub Actions Basics: Workflow Automation for Modern DevOps — 80 · every YAML snippet valid, matrix math (2×3−1=5) and cron verified; gap is it never shows the git add/commit/push to actually trigger a run.
4. ❌ Forging the La(zy)TeX CV: Binary Level 0101 (5) Quest — 41 · the core cv.tex artifact is never provided/linked, latexmk -pdf cv.tex fails, and every LaTeX example uses an invalid \\ doubled backslash.
5. ✅ The Warden’s Gate: Kill Switches and Stage Gates — 83 · the gate-job kill-switch shell logic ran correctly armed/disarmed; caller-permission / startup_failure teaching is accurate. Live gh bits unverifiable without auth (inherent to the topic).

🔬 Evidence

All command outcomes below are from the sealed walk-evidence.json (execute mode, mock: false); I quote the engine’s recorded findings, trimmed. Snippet coverage is ran/total.

1. CI/CD Fundamentals — score 88 · snippets 4/5 run (1 failed)

• passed — Linux setup mkdir cicd-quest && cd cicd-quest && git init && npm init -y ran cleanly.
• passed — Chapter 2 package.json: npm run build → compiling... / build ok; npm test (node –test) exited 0; npm run lint → linting... exit 0. “worked exactly as written.”
• failed — Chapter 3 git rhythm: “on a fresh repo (git init + npm init -y, no initial commit), if the learner’s ‘tiny change’ is a new untracked file, git commit -am silently does nothing and exits 1 … Verified this by reproducing the exact sequence in a fresh repo.” And “git push -u origin add-greeting fails with ‘origin does not appear to be a git repository’ … the quest never shows a git remote add origin step anywhere.”
• reasoned — both GitHub Actions YAML snippets (Ch2 CI, Ch4 deploy) parse as valid YAML and correct Actions syntax; not executed end-to-end (no act in sandbox).
• Dimensions: commands_work 4 · content_accuracy 5 · completeness 4 · clarity 4 · structure 5 · safety 5.

2. Docker Containerization Mastery — score 12 · snippets 6/6 run (1 failed) (fail)

• failed — Chapter 1 ```docker block (lines 113-122): “contains no Dockerfile instructions — only comments and bracket placeholders … Running docker build … fails immediately with ‘ERROR: failed to build: failed to solve: file with no instructions’.”
• passed (as no-ops) — the macOS/Linux/Cloud bash blocks (55-57, 71-73, 82-84), the PowerShell block (63-65) and the JS block (90-92) each contain only a single comment line: “execute as a no-op (exit 0) but teach and do nothing.”
• Engine finding: “None of the 6 code blocks contain a single real, copy-pasteable Docker command … anywhere in the document, despite the quest title and objectives being entirely about Docker.”
• Dimensions: commands_work 0 · content_accuracy 0 · completeness 0 · clarity 0 · structure 2 · safety 5.

3. GitHub Actions Basics — score 80 · snippets 8/? run (1 failed)

• passed — mkdir -p .github/workflows and the PowerShell New-Item -ItemType Directory -Force -Path .github\workflows (via pwsh) both succeeded cross-platform.
• passed — all 5 YAML snippets parsed valid; matrix math verified “os:[ubuntu,windows] × node:['18','20','22'] = 6, minus 1 exclude = 5 — exactly matches ‘leaving five parallel jobs’“; cron 0 6 * * 1 confirmed Monday 06:00 UTC.
• failed — Cloud Realms path mkdir -p .github/workflows && gh run list: “gh run list … correctly fail[s] without authentication … expected outside a real GitHub Codespace and not a quest defect, but it means the Cloud Realms path’s gh run list example cannot be end-to-end verified here.”
• Engine gap: “the quest asks learners to ‘commit and trigger’ a workflow but never shows the git add/commit/push steps.”
• Dimensions: commands_work 4 · content_accuracy 4 · completeness 3 · clarity 4 · structure 5 · safety 5.

4. Forging the La(zy)TeX CV — score 41 · snippets 4/? run (2 failed) (fail)

• failed — latexmk -pdf cv.tex: “failed with latexmk: command not found, and even if latexmk were installed, cv.tex does not exist anywhere — find … shows only QUEST.md.”
• failed — Chapter 3 ```tex example: “written with doubled backslashes throughout: \\resumeSubheading{...}, \\resumeItemListStart, \\resumeItem{...} … verified via grep -n on the raw markdown … pasting this snippet verbatim would break the line and then print resumeSubheading{Your Company}… as literal text.” Same defect in \\pdfgentounicode=1, \\includegraphics, \\href{}, \\linewidth.
• passed — the VS Code latex-workshop settings JSON is valid JSON with real config keys.
• skipped — macOS/Linux install commands (brew … mactex-no-gui, apt-get install texlive-full, tlmgr install …) not safely runnable (no root/network/wrong OS); judged syntactically reasonable.
• Dimensions: commands_work 1 · content_accuracy 2 · completeness 2 · clarity 2 · structure 3 · safety 5.

5. The Warden’s Gate — score 83 · snippets 4/? run (1 skipped)

• passed — Chapter 1 gate-job shell run with ENABLED=true → “correctly printed go=true to $GITHUB_OUTPUT”; with ENABLED unset → “‘loop idle (LOOP_ENABLED=) — flip the variable to arm.’ and go=false — matches the quest’s claimed disarmed behavior exactly.”
• passed — all three YAML snippets (gate addition, Ch2 trap, Ch2 fix) parse cleanly with PyYAML in a full workflow skeleton.
• skipped — the gh variable set/delete … gh workflow run … gh run watch bash block: “gh v2.96.0 installed but not authenticated … no real GitHub repo/workflow to target — inherent to a CI/CD quest and not a defect, but … the live startup_failure message and gh run watch race behavior are unverified.”
• Dimensions: commands_work 4 · content_accuracy 4 · completeness 4 · clarity 4 · structure 5 · safety 5.

🐞 Issues Found

High

• high · Docker Containerization Mastery · whole document (code blocks lines 55-92, 113-122; objectives; resources) · Observed: every one of the 6 code blocks is placeholder comments/bracketed TODOs; the docker block fails to build (file with no instructions) when run; none of the four stated validation criteria (build/run containers, Docker Compose, security/optimization, cloud deploy) is taught anywhere — content_accuracy, completeness, commands_work all scored 0. Fix: author the actual tutorial: a minimal working Dockerfile + real docker build/docker run in Chapter 1, a docker-compose.yml with 2+ services, a security/optimization section (non-root USER, multi-stage, .dockerignore), one concrete cloud-deploy walkthrough, and real resource URLs. Until then this quest teaches nothing and should arguably be draft: true.
• high · Forging the La(zy)TeX CV · Chapter 2 “Summon the Template (Link to cv.tex)” · Observed: the chapter title promises a link to cv.tex but no file or fetch command exists; latexmk -pdf cv.tex fails because the artifact is absent, so Chapter 1’s “compile without errors” is impossible from the document alone. Fix: embed the full cv.tex in the quest or give an explicit fetch command (e.g. a curl/git clone URL to the repo path holding cv/cv.tex), plus a minimal bootstrap .tex fallback.
• high · Forging the La(zy)TeX CV · every LaTeX code/prose span (Chapters 2-4, lines ~192-193, 223-227, 230) · Observed: doubled backslashes throughout (\\resumeSubheading, \\resumeItem, \\resumeItemListStart/End, \\href, \\includegraphics, \\linewidth, \\pdfgentounicode=1); in LaTeX \\ is a line-break, so copy-pasting produces broken output. Fix: replace every \\ with a single \ in LaTeX contexts. (Note: this is a genuine content defect, not a Markdown-escaping artifact — the engine confirmed the doubling exists literally inside the fenced ```tex block via grep -n on the raw file.)

Medium

• medium · CI/CD Fundamentals · Chapter 3 git rhythm (lines 338-346) & Intermediate Challenge · Observed: git commit -am silently no-ops on a new untracked file, and git push -u origin add-greeting fails because no git remote add origin is ever shown, yet the Intermediate Challenge requires a green run “visible in the Actions tab.” Fix: add git add . (or an initial commit right after npm init -y in the setup paths) before git commit, and a git remote add origin <url> / “create a GitHub repo” step before git push.
• medium · GitHub Actions Basics · Novice/Intermediate Challenges & Cloud Realms path (lines 194-198, 360-378) · Observed: learners are told to “commit and trigger” and to run gh run list, but the git add/commit/push steps are never shown and gh run list fails without auth outside a Codespace. Fix: add the explicit commit/push sequence, and note that gh needs gh auth login (or a Codespace) before gh run list works.
• medium · Forging the La(zy)TeX CV · macOS BasicTeX note (line 133) · Observed: tlmgr install … CormorantGaramond — package name unverified against CTAN (cormorantgaramond is the CTAN id). Fix: confirm the exact tlmgr package name before publishing to avoid a failed install.

Low

• low · The Warden’s Gate · “Reproduce It” bash block (lines 136-139) · Observed: chaining gh workflow run X && gh run watch can race ahead of GitHub registering the new run (known gh gotcha); no fallback is mentioned. Fix: note a short retry/--exit-status fallback if gh run watch reports no in-progress run.
• low · Cross-quest · Knowledge-Graph “Level hub” wiki-links · Observed: Docker and LaTeX-CV both link [[Level 0101 - Advanced Docker & DevOps]], while CI/CD Fundamentals, GitHub Actions, and Warden’s Gate link [[Level 0101 - CI/CD & DevOps]]. Two names for one level hub will split the graph. Fix: standardize on the level’s canonical theme name (CI/CD & DevOps).

No fabricated issues: every item above cites a run command outcome or an exact quoted line from the quest source.

🔗 Chain Continuity

Reasoning about the five as one journey a System Engineer would actually take:

• A strong, correctly-ordered spine exists. cicd-fundamentals declares unlocks_quests: /quests/0101/github-actions-basics/, and github-actions-basics declares required_quests: /quests/0101/cicd-fundamentals/ — the dependency edge is reciprocal and honest. A learner finishing Fundamentals (CI/CD mental model, build-test-deploy stages, the on: [push, pull_request] workflow, secrets) is genuinely ready for GitHub Actions Basics (workflow/job/step hierarchy, triggers, matrix). The Warden’s Gate then builds on Actions fluency to teach production-grade gate jobs, least-privilege permissions, and startup_failure forensics — the exact operational discipline a System Engineer needs. This trio is the real curriculum.
• A shared, fixable prerequisite gap spans the spine. Both Fundamentals and GitHub Actions Basics assume the learner can push to a remote and see a green Actions run, but neither shows git remote add origin or the initial commit. A real beginner following either quest verbatim on a fresh repo hits the exact failure the sandbox reproduced (git commit -am no-op, then push to a missing origin). The chain never provides this step, so the hands-on “make it green” challenges stall at the same wall in two consecutive quests — worth fixing once, consistently.
• The Warden’s Gate points out of this slice for its prerequisite. It lists recommended_quests: /quests/0000/ouroboros-loop-01-the-first-turn/ (Level 0000) and its body assumes “your potion-book repo with a green First Turn run.” That prerequisite is not satisfied by any quest in this window — a System Engineer arriving from the CI/CD spine has a Node pipeline repo, not a First-Turn loop repo. The quest is self-contained enough to read and its patterns verified in isolation, but the hands-on Mastery Challenge assumes a repo the slice never built.
• The two failing quests are off-spine and don’t participate in the chain. Neither Docker Mastery nor the LaTeX CV is referenced by any unlocks_quests/ required_quests edge among the five; they’re independent Level-0101 entries that happen to share the level. Docker’s own frontmatter even points at Level 0001/0010 prerequisites and Level 0110 follow-ups that live outside this theme. So their failures don’t break the CI/CD learning path — but a learner browsing the /quests/0101/ hub will encounter a completely empty Docker “quest” and a LaTeX CV quest whose first command fails, which damages trust in the level as a whole.
• Naming drift in the graph. The level-hub wiki-link disagreement (CI/CD & DevOps vs Advanced Docker & DevOps) is a small but real continuity defect: the Obsidian graph would render two separate hub nodes for one level.

Net: as a System Engineer CI/CD path, the slice’s spine is coherent and recommendable once the git-remote gap is closed; as a Level 0101 hub, it currently exposes two quests (Docker, LaTeX-CV) that fail on first contact.

🧠 Reasoning & Method

• What I ran vs. reasoned. I ran nothing against the quests myself — the agentic execute engine had already been run deterministically by the workflow and its results sealed into walk-evidence.json / walk-evidence.md before this session (the engine’s child claude processes can’t authenticate from the agent’s Bash tool). I consumed that evidence verbatim and did not edit, regenerate, or hand-write it. Every passed/failed/skipped/reasoned above is the engine’s recorded outcome; the linked-journey analysis in Chain Continuity is my own reasoning over the five quest sources, which I read in full in plan order.
• Mode & sandbox. execute mode, disposable sandbox, per-quest isolation (mock: false). Total engine cost ~$2.71, 5/5 quests scored, 0 errored.
• Coverage limits (honest).
  • This is window 1 of 3 — only 5 of the level’s 13 quests were walked. The other 8 (rotating windows) are not covered by this report.
  • Anything needing a live authenticated GitHub repo is unverified: the GitHub Actions Cloud-Realms gh run list, and The Warden’s Gate’s gh variable/gh workflow run/gh run watch sequence and its headline live startup_failure text. These are inherent to CI/CD topics, not defects — but the “green Actions tab” end state is reasoned, never witnessed.
  • LaTeX install commands (brew, apt-get texlive-full, tlmgr) were skipped (no root/network/correct OS); judged by static review only.
  • The GitHub Actions YAML deploy/CI workflows and the Warden’s Gate YAML were validated as parse-correct, not executed by a runner (no act).
• Confidence. High on the two failures (Docker = template, LaTeX-CV = missing artifact + \\ defect — both reproduced by real sandbox commands) and on the git-remote gap (reproduced verbatim). Medium on the “green Actions tab” completion claims, which are reasoned rather than executed because they need live GitHub auth.
• Scope discipline. One slice, one report. I made no content edits, opened no PR, and did not expand to other windows/levels/characters. Fixable bugs are captured in Issues Found for a content pass to act on.

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Machine evidence summary (verbatim from walk-evidence.md): “5 quests evaluated · ✅ 3 pass · ⚠️ 0 warn · ❌ 2 fail · avg 60.8% · ~$2.7137”.