Game Developer · L0100 · 2026-07-07

Slice game-developer/0100 · Level 0100 (Frontend & Containers) · Adventurer tier · Engine verdict ❌ fail (avg 55.5%) · Walked 2026-07-07

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

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🎯 Session Summary

I walked the first window (5 of 8 quests) of the Game Developer → Level 0100 “Frontend & Containers” (Adventurer ⚔️) slice, in the dependency-sorted order the planner fixed: Docker Container Fundamentals → Docker Compose Orchestration → Dockering Jekyll with Bootstrap 5 → Frontend Forests → The Artisan’s Forge (Jekyll component refactoring). Evidence is the workflow-sealed agentic execute run (walk-evidence.json): each quest sandboxed in a disposable temp dir with its safe commands actually run.

Headline verdict: FAIL for the slice as a learning path. The engine scored 0 pass · 2 warn · 3 fail (avg 55.5%). The two container quests are strong — Docker Compose in particular was executed almost end-to-end with verified data persistence — but the two Jekyll+Bootstrap main quests in the middle of the chain are broken at nearly every executable step (frontend-docker 30%, frontend 55%), and they teach the same task twice with conflicting methods and stale Bootstrap-4 code. A real beginner would sail through the Docker chapters and then hit a wall the moment they try to build the frontend. Quest 1 errored in the engine and was only reasoned about.

🗺️ The Journey

#	Verdict	Quest	Score	One-line takeaway
1	⚪ reasoned	Docker Container Fundamentals: Images to Registries	— (engine error)	Reads as a polished, well-sequenced main quest; no machine score — engine hit max_turns after curl was denied.
2	⚠️ warn	Docker Compose Orchestration: Multi-Container Apps	65	Chapters 1–2 executed flawlessly (real Redis counter + verified volume persistence); Chapter 3 “Full Stack” section has two confirmed runtime failures.
3	❌ fail	Dockering Jekyll with Bootstrap 5	30	Breaks at almost every step: docker-compose v1 CLI absent, jekyll new . conflict, cd my-jekyll-site into a dir never created, {​% raw %​} artifact, BS4 code, up crashes.
4	❌ fail	Frontend Forests: Building a Jekyll Site with Bootstrap	55	Concepts accurate, but Steps 3–4 edit _includes/head.html / _layouts/default.html that don’t exist in a fresh jekyll new + minima site.
5	⚠️ warn	The Artisan’s Forge: Refactoring Jekyll Theme Components	72	Core pattern is sound and builds end-to-end; first-pass touch fails (no mkdir -p), SCSS partial never wired to a compiled stylesheet, duplicated Resources block.

🔬 Evidence

All quoted outcomes are from commands the execute engine actually ran in the sandbox (Docker 28.0.4 / Compose v2.38.2, system Ruby 3.2.3), sealed in walk-evidence.json. Static-only judgements are labelled reasoned.

1 · Docker Container Fundamentals — ⚪ no score (engine error)

• ran 0 runnable snippets — engine terminated on max_turns (40). The sealed record shows two permission_denials on Bash: curl -s http://localhost:8080 and wget -qO- http://localhost:8080. The child claude process then exited 1 with "errors":["Reached maximum number of turns (40)"]. No dimension scores exist, so nothing here is reported as passed/failed.
• Reasoned (source read): the quest is well-structured — platform-picker install paths, Chapter 1 image-vs-container, Chapter 2 Dockerfile with cache-aware COPY order, Chapter 3 layers/multi-stage/registries, Chapter 4 bind-mount dev loop that ends on a compose.yaml explicitly framed as “your on-ramp to the next quest.” Dependencies are clean: unlocks_quests: /quests/0100/docker-compose-orchestration/. The browser/curl verification steps that tripped the sandbox are legitimate learner steps, not quest defects. I cannot certify it works — I did not witness a run.

2 · Docker Compose Orchestration — ⚠️ 65 · ran 13/8 runnable snippets (1✗)

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

• passed — docker compose up -d (Ch.1): built web image, pulled redis:7-alpine, both containers Up; repeated requests to http://localhost:8080/ incremented the Redis counter 1,2,3,4. logs/down behaved as documented.
• passed — Ch.2 volume persistence fully verified: wrote a row, docker compose down (no -v), volume ch2-volumes_db-data survived, up -d again, SELECT * FROM test; still returned the row; then down -v genuinely deleted the volume (docker volume ls confirmed gone).
• passed — Ch.3 depends_on: condition: service_healthy: log showed ch3-db-1 Waiting → Healthy before ch3-web-1 Starting, exactly as promised.
• failed — Ch.3 “Full Stack in Action”: the compose.yaml defines only web+db (no redis) but app.py still import redis / cache.incr, so http://localhost:8080/ returns HTTP 500: redis.exceptions.ConnectionError: Error -3 connecting to redis:6379. Temporary failure in name resolution.
• failed — same block, docker compose up -d --scale web=3 → Error response from daemon: ... Bind for 0.0.0.0:8080 failed: port is already allocated (fixed host port "${APP_PORT}:5000" is incompatible with scaling).

3 · Dockering Jekyll with Bootstrap 5 — ❌ 30 · ran 8/4 runnable snippets (6✗)

Dimensions: commands_work 1 · content_accuracy 1 · completeness 1 · clarity 2 · structure 2 · safety 4.

• failed — docker-compose run jekyll jekyll new . → Conflict: /srv/jekyll exists and is not empty (Dockerfile + compose file were created first in Step 2).
• failed — the literal docker-compose (hyphenated v1) binary is absent; only docker compose (v2 plugin) exists. Every docker-compose … snippet fails as written.
• failed — cd my-jekyll-site → No such file or directory (that dir is never created).
• failed — final docker-compose up → reproducible Bundler::GemNotFound (compose never runs bundle install); even patched, the server binds only 127.0.0.1 inside the container (confirmed via /proc/net/tcp), so localhost:4000 on the host resets.
• failed — Step 4 homepage renders literal {​% raw %​}{​% include head.html %​}{​% endraw %​} text (a stray {​% raw %​} wrapper) instead of pulling in Bootstrap — verified via a real jekyll build.
• passed — only git init && git add . && git commit … (deploy scaffolding) ran clean.
• reasoned/content — BS4 holdovers confirmed by read: jquery-3.3.1.slim.min.js, data-toggle/data-target, .jumbotron, .sr-only, and placeholder integrity="sha384-xxx" hashes that browsers will reject.

4 · Frontend Forests — ❌ 55 · ran snippets (Steps 3–4 the blocking failure)

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

• failed — gem install jekyll bundler → Gem::FilePermissionError: You don't have write permissions for the /var/lib/gems/3.2.0 directory; only succeeded with --user-install + PATH fix (no guidance in quest).
• failed — jekyll new your-site-name → Bundler::PermissionError writing to /var/lib/gems/3.2.0/cache/*.gem; needed --skip-bundle + bundle config set --local path vendor/bundle.
• failed (BLOCKING GAP) — Steps 3–4 say open _includes/head.html and edit _layouts/default.html, but a fresh jekyll new (minima) site has neither directory — verified: find . -type f shows only 404.html, about.markdown, Gemfile, _config.yml, _posts/, index.markdown. Those files live inside the minima gem.
• passed — after manually copying the gem’s _includes/head.html + _layouts/default.html and adding the CDN tags, bundle exec jekyll build succeeded and _site/index.html contained both bootstrap@5.3.3/dist/css/bootstrap.min.css and …/js/bootstrap.bundle.min.js — so the technique is sound once the missing step is filled.
• skipped — bundle exec jekyll serve (backgrounding + curl denied by sandbox); build is the proxy.
• reasoned — Liquid basics, filter table (date/slugify/where/markdownify), data-file loop, theme-override diagram all read as accurate; Chapter 9 describes a different theme’s root/default/article chain than the minima site the steps build.

5 · The Artisan’s Forge (Jekyll refactoring) — ⚠️ 72 · ran 11/3 runnable snippets (1✗)

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

• failed — Step 2.1 touch _includes/components/nanobar.html → touch: cannot touch '_includes/components/nanobar.html': No such file or directory (dir doesn’t exist; Step 3.1 correctly uses mkdir -p _sass/components — inconsistent).
• passed — bundle exec jekyll build (Phase 4 & 7) succeeded in a reconstructed site, producing <div class="nanobar nanobar--top" … style="--nanobar-height: 3px; --nanobar-color: #0d6efd; --nanobar-z-index: 1050;">.
• passed — config toggle nanobar.enabled: false rebuilds clean and omits the markup.
• passed — footer BEFORE/AFTER container restructuring renders full-width as claimed.
• gap (reasoned) — the _nanobar.scss partial compiles only when wired to an entry point (assets/css/main.scss with @import "components/nanobar";), which the quest never creates → following the written steps leaves the CSS partial uncompiled.
• skipped — docker-compose exec -T jekyll … --config '_config.yml,_config_dev.yml': no compose file / _config_dev.yml exists in this quest, so it can’t run standalone.

🐞 Issues Found

High

• frontend-docker · Step 2/3 sequencing · jekyll new . — running jekyll new . after creating Dockerfile/compose files gives Conflict: … not empty; and cd my-jekyll-site targets a directory nothing ever creates. Fix: scaffold into an empty dir (or --force) and make the cd match the real directory name.
• frontend-docker · CLI syntax (all docker-compose …) — the v1 hyphenated binary is absent on modern Docker and is EOL. Fix: replace with docker compose … (v2).
• frontend-docker · compose command: + host binding — docker-compose up crashes with Bundler::GemNotFound, and even fixed the server binds loopback-only so localhost:4000 never loads. Fix: bash -c "bundle install && jekyll serve --watch --force_polling --host 0.0.0.0".
• frontend-docker · Step 4 HTML — stray {​% raw %​}…{​% endraw %​} wrapper renders as literal text; no front-matter block, so Jekyll won’t process the page. Fix: remove the wrapper, add a ---\n--- front matter block.
• frontend-docker · Bootstrap 5 accuracy — jQuery, data-toggle/data-target, .jumbotron, .sr-only, and sha384-xxx placeholders are all BS4-era / invalid. Fix: drop jQuery, use data-bs-*, BS5 hero pattern, .visually-hidden, real SRI hashes.
• frontend · Steps 3–4 missing directories — _includes/head.html / _layouts/default.html do not exist in a fresh jekyll new + minima site; learner gets “file not found” with no guidance. Fix: add a step to copy them out of the gem (cp $(bundle show minima)/_includes/head.html _includes/, same for _layouts/).
• frontend · gem-permission failure — gem install jekyll bundler fails with Gem::FilePermissionError on a non-writable system Ruby. Fix: recommend rbenv/rvm/asdf or --user-install / bundle config set --local path vendor/bundle.
• jekyll-component-refactoring · Step 2.1 touch — fails without a preceding mkdir -p _includes/components. Fix: add the mkdir -p, matching Step 3.1.
• jekyll-component-refactoring · Phase 3 stylesheet wiring — the SCSS partial is never @imported into a front-matter’d entry stylesheet, so it’s never compiled. Fix: add an assets/css/main.scss step.

Medium

• docker-compose-orchestration · Ch.3 “Full Stack” — the two-service compose.yaml produces HTTP 500 (missing redis) and --scale web=3 fails on the fixed host port. Fix: add a redis service (matching the “three-service” framing) or strip Redis from app.py; use a port range or drop the fixed host port before scaling; add a caveat.
• docker-compose-orchestration · “three-service” claim — the chapter body never assembles web+db+cache; that’s deferred to an unsolved Advanced Challenge. Fix: add a worked three-service example or reword the stated skill.
• frontend-docker · unused Dockerfile — created in Step 2, never used (compose uses image: not build:). Fix: wire via build: . or remove.
• frontend · Chapter 9 mismatch — describes a zer0-mistakes root/default/article chain that doesn’t exist in the minima site the steps build. Fix: label Chapter 9 as separate background, or align it to the tutorial’s theme.
• jekyll-component-refactoring · duplicated Resources section — the ## 📚 Resources block appears twice verbatim near the end. Fix: delete the duplicate.
• jekyll-component-refactoring · dead step_animation flag — _config.yml defines it but nothing reads it. Fix: implement or remove.

Low

• frontend-docker / frontend — Quest Objectives are auto-seeded placeholder text (“Understand the core concepts introduced in this quest… authors should refine these”). Fix: write quest-specific outcomes.
• frontend-docker — Node.js listed as a prerequisite but never used. Fix: remove or explain.
• frontend · Step 8 deployment — one unelaborated sentence. Fix: add real commands/links.

🔗 Chain Continuity

Reasoning about the five quests as one learner’s journey through the level:

1. The container half is a clean, well-linked chain. Quest 1 (container-fundamentals) declares unlocks_quests: /quests/0100/docker-compose-orchestration/, ends Chapter 4 on a compose.yaml explicitly framed as “your on-ramp to the next quest,” and Quest 2 declares required_quests: /quests/0100/container-fundamentals/ with matching prose prerequisites (“Completion of Container Fundamentals”). Compose then executed almost end-to-end. This is exactly how a linked slice should feel — if Quest 1 actually works (unverified this run — see §7).

2. The chain breaks in the middle: two overlapping, broken frontend tutorials. Quests 3 (frontend-docker) and 4 (frontend) both teach “build a Jekyll + Bootstrap 5 site from scratch” — one via Docker, one via local Ruby — but neither declares any dependency (required_quests: [] in both), so a learner has no signal which to take, that they’re alternatives, or that they overlap. Both are broken at the hands-on level (30% and 55%), and frontend-docker additionally teaches Bootstrap 4 code under a “Bootstrap 5” title. Arriving here from the polished Docker chapters, a beginner’s momentum dies.

3. A shared, unaddressed prerequisite gap spans quests 3–5: the gem-theme hidden files. Quest 4 fails because a fresh jekyll new + minima site has no _includes/ or _layouts/ to edit (verified). Quest 5 (jekyll-component-refactoring) opens by telling the learner to “open your theme’s main layout file (_layouts/default.html or _layouts/root.html)” and refactor it — the same files quest 4 never helped them obtain. Quest 5 only recommends frontend-docker, whose broken build never delivers an editable theme either. So the refactoring quest’s core assumption (“you have an inline nanobar in your layout to extract”) is not satisfied by anything earlier in the slice.

4. Quest 5 also references setup from a quest not in effect. Its Phase 7 Docker build (docker-compose exec -T jekyll … --config '_config.yml,_config_dev.yml') assumes a compose service and _config_dev.yml that come from the (broken) frontend-docker quest and are never created here — a dangling cross-reference.

5. Character-path note (Game Developer). Level 0100 “Frontend & Containers” is generic web/DevOps; nothing here is game-specific. That’s acceptable for a foundational tier — containers and a frontend are legitimate groundwork — but a learner who chose the 🎮 Game Developer path gets no game framing at this level, worth flagging for path coherence.

Net: the slice does not currently hold together as a Game-Developer learning path. The container spine is solid; the frontend middle (quests 3–4) is broken and redundant, and it fails to hand quest 5 the editable-theme prerequisite it assumes.

🧠 Reasoning & Method

• Mode: execute — the workflow pre-computed and sealed walk-evidence.json via the agentic execute engine (child claude can’t authenticate from my Bash tool). I consumed it as-is; I did not re-run the engine, edit evidence, or touch quest content. My contribution is the linked-journey reasoning (§Chain Continuity) plus a faithful transcription of the sealed per-quest evidence.
• What was actually run vs. reasoned: Quests 2–5 have real sandboxed command evidence (Docker 28.0.4 / Compose v2.38.2, Ruby 3.2.3) — those passed/failed outcomes are witnessed. Quest 1 errored in the engine (max_turns after two curl permission denials) and has no score; I read its source and reasoned about it statically only — it is neither passed nor failed, and I have not certified it works.
• Coverage / caps: This is window 1 of 2 — 5 of the level’s 8 quests (stats.windowed: true). The remaining 3 quests are out of scope for this run and the perfection ledger accumulates them separately; I did not expand beyond the planned window. A few steps were sandbox-skipped (backgrounded jekyll serve + curl, loopback probes, the standalone docker-compose exec) and are labelled skipped, not passed.
• Confidence: High on the four scored quests (direct command evidence, and the failures are reproducible and concretely quoted). Low on quest 1 (no execution evidence at all — its clean read is not proof it runs). Engine spend for the run was ~$4.05.
• Scope discipline: one slice, one report. Every issue above cites a witnessed command result or a quoted source line; no content was modified, and no git action was taken — the workflow handles that.