Game Developer · L0001 · 2026-08-27

Slice game-developer/0001 · Level 0001 (Web Fundamentals) · Apprentice tier · Engine verdict ⚠️ warn (avg 81.8%) · Walked 2026-08-27

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

🎯 Session Summary

I walked window 2 of 6 of the Game Developer → Level 0001 “Web Fundamentals” (Apprentice 🌱) path — 5 of the level’s 26 quests, in the planner’s dependency-sorted order — backed by the workflow’s sealed execute-mode engine evidence (real commands run in a disposable sandbox, not model assertions): GitHub Pages Basics, Jekyll Fundamentals, YAML Configuration, Git Workflow Mastery, and Liquid Templating.

Headline verdict: WARN, avg 81.8% (4 pass / 1 warn / 0 fail). Every quest’s core hands-on material was actually run against real tooling (Jekyll 4.4.1, Liquid, yamllint, a live gh/git repo simulation) and worked largely as documented — Git Workflow Mastery (92) is the standout, with the full branch/merge/rebase/conflict lifecycle verified live. But I downgrade the session to WARN for two reasons a maintainer should act on: (1) Liquid Templating scored 71 with two confirmed, verbatim-reproducible broken code snippets (a genuine Liquid syntax error and a mis-claimed output), and (2) my own read of the five quests’ quest_dependencies frontmatter against _data/quests/network.yml found that this exact five-quest window is one single dependency cycle — the planner could not topologically sort it and fell back to difficulty+alphabetical tie-breaking, which is why the walk order opens with GitHub Pages Basics even though that quest’s own frontmatter declares jekyll-fundamentals as a hard required_quests prerequisite. That’s a structural defect in the quest graph, not a quirk of this run.

🗺️ The Journey

Walked in planner order (window index 1 of 6; stats.total_quests = 26):

Avg 81.8% · 4 pass / 1 warn · engine cost ≈ $4.32 · engine wall time ≈ 1,062s across 108 turns.

🔬 Evidence

All outcomes below are commands the execute engine actually ran in its disposable sandbox, quoted/trimmed from the sealed walk-evidence.json.

1. GitHub Pages Basics — ✅ 83 (13 available, 7 runnable ran / 7 passed / 4 skipped / 4 reasoned)

• Dimensions: commands_work 4, content_accuracy 4, completeness 4, clarity 4, structure 5, safety 5.
• git init && git add . && git commit -m "Initial site" ran cleanly against a real jekyll new my-castle scaffold; _config.yml url/baseurl and the relative_url Liquid filter were built with real Jekyll 4.4.1 and produced exactly /my-castle/assets/css/style.css (vs. a hard-coded path that would 404).
• bundle exec jekyll serve --baseurl "/my-castle" and JEKYLL_ENV=production bundle exec jekyll build (paired with {​% if jekyll.environment == "production" %​}) both behaved exactly as documented.
• Real gap (tested): git init on this system defaults to branch master (git prints an explicit hint); only the Cloud Realms path runs git branch -M main before pushing. The macOS/Windows/Linux paths go straight from git init to gh repo create ... --push and then to a “Enable Pages” step and a gh api ... -f "source[branch]=main" example that both hardcode main — a learner on those paths can be left with a master default branch and a Pages-enable step that doesn’t match reality.
• gh api -X POST repos/:owner/my-castle/pages -f "source[branch]=main" ... parsed correctly and reached GitHub’s real auth layer (failed only for lack of a token) — confirms the command’s syntax, not its full flow.
• Missing: no mention that GitHub Pages’ classic “Deploy from a branch” build runs an older, pinned github-pages gem version with a fixed plugin whitelist — a real “works locally, fails on Pages” gotcha the quest’s own “diagnose a broken build” framing implies it should cover.

2. Jekyll Fundamentals — ✅ 83 (16 available, 9 runnable ran / 8 passed / 1 failed / 2 skipped / 5 reasoned)

• Dimensions: commands_work 4, content_accuracy 4, completeness 4, clarity 4, structure 5, safety 5.
• jekyll new my-castle && bundle exec jekyll serve produced the exact quoted output (“Server address: http://127.0.0.1:4000/”); adding collections: recipes: to _config.yml plus _recipes/bread.md produced _site/recipes/bread/index.html exactly as promised.
• bundle exec jekyll build --verbose, --drafts, --livereload, and the multi-config merge --config _config.yml,_config_dev.yml (later file wins) all ran cleanly and matched the documented behavior.
• Real bug (tested, failed): docker-compose up -d (line 462, Chapter 4 “One Repo, Two Configs”) fails outright — docker-compose reported no configuration file provided: not found. No docker-compose.yml/Dockerfile is ever created or shown anywhere in the quest, so this exact command cannot work for anyone following it linearly.
• Minor: .gitignore step (echo "_site/" >> .gitignore ...) duplicates entries jekyll new already adds by default — harmless but a no-op as presented.

3. YAML Configuration — ✅ 80 (16 available, 11 runnable ran / 10 passed / 1 failed / 4 skipped / 1 reasoned)

• Dimensions: commands_work 3, content_accuracy 4, completeness 5, clarity 4, structure 5, safety 5.
• All 8 YAML snippets parsed exactly as described with PyYAML; yamllint _config.yml _data/team.yml exited 0. Every “pitfall” claim was independently reproduced: yes/on → boolean True, 1.20 → float 1.2 (trailing zero lost), an unquoted colon in a string → real parse error, 01234 unquoted → octal 668, | vs > → literal-newline vs folded-string.
• Real bug (tested, failed): the Chapter 3 Liquid sample (lines 360–364) wraps every tag in {​% raw %​}...{​% endraw %​} — e.g. {​% raw %​}{​% for member in site.data.team %​}{​% endraw %​}. Rendered with the Ruby liquid gem exactly as printed, it outputs the tags as inert literal text, not an iterating loop; only the unwrapped version actually prints “Ada Lovelace - Architect.” A learner copying the shown block into a real template gets a silent no-op.
• bundle exec jekyll serve --config ... / JEKYLL_ENV=production build were correctly skipped (no Jekyll site present in this quest’s own sandbox, matching its stated “pre-existing Jekyll site” prerequisite) — an environment limitation, not a quest defect.

4. Git Workflow Mastery — ✅ 92 (12 available, 8 runnable ran / 8 passed / 5 skipped / 2 reasoned)

• Dimensions: commands_work 5, content_accuracy 4, completeness 4, clarity 5, structure 5, safety 5.
• Ran the full lifecycle verbatim against a local bare-repo “origin”: git switch main/pull/switch -c/add/commit/push -u, git status/log --oneline --graph --all/diff, a real merge conflict reproducing the exact <<<<<<< HEAD / ======= / >>>>>>> markers, git rebase --continue across two sequential conflicts, and git merge --abort/git rebase --abort restoring a clean tree. gh pr create/gh pr merge --squash --delete-branch flags were verified against the installed gh 2.98.0’s --help (not executed live — no auth/network).
• Real gap (tested): Chapter 2’s merge-commit diagram (main: A---B---------M) only materializes when main has diverged since branching. Following the quest’s own worked sequence (branch off current main, one commit, merge straight back with no intervening main commits) actually fast-forwards — no merge commit — a real mismatch between the diagram and what the quest’s own walkthrough produces (confirmed by running both the fast-forward case and a genuinely-diverged case).
• git restore/git revert are a stated secondary objective but only appear in a prose warning (line ~268), with no worked code example, unlike every other objective.

5. Liquid Templating — ⚠️ 71 (15 available, 15 ran / 13 passed / 2 failed / 1 skipped / 1 reasoned)

• Dimensions: commands_work 3, content_accuracy 3, completeness 4, clarity 4, structure 4, safety 5.
• Verified against a real Jekyll 4.4.1 / Liquid 4.0.4 site: objects/filters ({​{ page.title }​}, upcase, capitalize+replace, date, strip_html+truncatewords), for ... limit:/forloop.index, sort+reversed, parameterized include, layouts with {​{ content }​}, comment/raw blocks, and whitespace-dash control ({​%- -%​}) all rendered exactly as documented.
• Confirmed bug #1 (tested, failed): Chapter 2’s “New” badge condition, {​% elsif post.date > site.time | date: "%s" | minus: 604800 %​} (line 276), throws a real error under jekyll build/jekyll serve: Liquid syntax error (line 5): Expected end_of_string but found pipe — filters cannot be chained after a comparison operator inside an elsif. The badge silently never renders.
• Confirmed bug #2 (tested, failed): Chapter 4’s forloop/whitespace example (line 408, {​% unless forloop.first %​}{​% endunless %​}{​{ tag }​}) does not produce the claimed single-line “liquid, jekyll, templating (no leading comma).” As printed, none of the for/unless/endfor tags use whitespace-control dashes, and the real rendered output (verified with cat -A) has stray newlines and leading spaces between tags — ironic since this is the exact chapter teaching whitespace control.
• case/when and contains are mentioned only in prose with no runnable example, unlike every other construct in the quest.

🐞 Issues Found

Every item cites what was actually run/observed (tested) or read directly from source/frontmatter/network data (reasoned); severities as the engine scored them (structural/network finding severity is my own judgment).

• HIGH · Liquid Templating · Chapter 2, line 276 (“New” badge elsif) · tested — {​% elsif post.date > site.time | date: "%s" | minus: 604800 %​} is a genuine Liquid syntax error in real Jekyll (Expected end_of_string but found pipe), reproduced via jekyll build. Fix: precompute the cutoff with assign first, e.g. {​% assign week_ago = site.time | date: "%s" | minus: 604800 %​}{​% assign post_ts = post.date | date: "%s" %​}{​% if post_ts > week_ago %​}...{​% endif %​} (both sides still need coercing to the same numeric type).
• HIGH · Liquid Templating · Chapter 4, line 408 (forloop/whitespace example) · tested — Claimed output “liquid, jekyll, templating (no leading comma)” is not what the snippet as written produces (verified with cat -A: stray newlines/leading spaces). Fix: add whitespace-control dashes ({​%- for -%​}, {​%- unless forloop.first -%​}, {​%- endunless -%​}, {​%- endfor -%​}), or correct the claimed output to match reality.
• HIGH · Quest-graph structure (GitHub Pages Basics / Jekyll Fundamentals / Git Workflow Mastery) · reasoned (my own cross-read of quest_dependencies frontmatter + _data/quests/network.yml) — This entire five-quest window is a single dependency cycle: Jekyll Fundamentals --unlocks--> GitHub Pages Basics --unlocks--> Git Workflow Mastery --unlocks--> Jekyll Fundamentals (confirmed directly in _data/quests/network.yml’s edges list). Because a true topological order doesn’t exist, walkthrough_plan.py’s Kahn/SCC condensation collapses these three (plus YAML Configuration and Liquid Templating, which both also unlock back into the same loop via Jekyll Fundamentals) into one strongly-connected component and falls back to difficulty-then-alphabetical tie-breaking — which is exactly why this session was told to play GitHub Pages Basics first, even though its own quest_dependencies.required_quests (and its prerequisites.knowledge_requirements: "Completion of Jekyll Fundamentals") name Jekyll Fundamentals as a hard prerequisite. The root cause looks like a single bad edge: Git Workflow Mastery’s frontmatter lists unlocks_quests: - /quests/0001/jekyll-fundamentals/, but Jekyll Fundamentals itself declares required_quests: [] (it’s the level’s entry point) and does not list Git Workflow Mastery anywhere — the two files disagree about who unlocks whom. Fix: remove the spurious jekyll-fundamentals entry from Git Workflow Mastery’s unlocks_quests (or, if intentional, add the missing reciprocal required_quests/recommended_quests entry on Jekyll Fundamentals so the DAG closes correctly) and re-run make quest-build-network. Note: scripts/quest/validate-quest-network.py’s cycle check only inspects the required edge subgraph (which has no cycle here), so make quest-audit would not currently catch this — the cycle only shows up in the combined required+recommended+unlocks graph the walkthrough planner uses.
• MEDIUM · GitHub Pages Basics · macOS/Windows/Linux platform blocks · tested — git init defaults to branch master on this system; only the Cloud Realms path runs git branch -M main. The following “Enable Pages” instructions and the gh api ... -f "source[branch]=main" example hardcode main. Fix: add git branch -M main (or an explicit default-branch check) to the macOS/Windows/Linux blocks too.
• MEDIUM · Jekyll Fundamentals · Chapter 4, line 462 (docker-compose up -d) · tested, failed — Fails with “no configuration file provided: not found”; no docker-compose.yml/Dockerfile is ever shown in the quest. Fix: either supply the actual compose file (matching the stated localhost:4002 port) or replace the snippet with the already-working docker run ... jekyll/jekyll:4 command shown in the Cloud Realms section.
• MEDIUM · YAML Configuration · Chapter 3, lines 360–364 (Liquid data-loop sample) · tested, failed — Wrapped in {​% raw %​} tags that make it a literal no-op if copied as shown; only the unwrapped version actually loops and prints the data. Fix: remove the {​% raw %​} wrapping from the code block a learner is meant to copy (keep it only if it’s illustrating the raw tag itself, and label it as such).
• MEDIUM · Git Workflow Mastery · Chapter 2, merge-commit diagram · tested — The diagram (main: A---B---------M) doesn’t match what the quest’s own worked sequence produces (a fast-forward, no merge commit) unless main has diverged first. Fix: either add an intervening main commit to the worked example before merging, or note that the diagram assumes divergence.
• LOW · Git Workflow Mastery · secondary objective (git restore/git revert) · reasoned — Named as a secondary objective and mentioned in a warning callout, but has no worked code example unlike every other objective. Fix: add a short git restore <file> / git revert <commit> snippet.
• LOW · GitHub Pages Basics · “GitHub Actions Build” secondary objective · reasoned — Mentioned only via a table link/knowledge-check bullet, no sample workflow YAML shown despite being a named secondary objective. Fix: link or embed a minimal jekyll.yml GitHub Actions starter workflow.
• LOW · Liquid Templating · Chapter 2 (case/when, contains) · reasoned — Mentioned only in prose, unlike every other construct in the quest, which gets a runnable example. Fix: add a short code sample.

No safety issues anywhere in the slice — every quest scored safety 5/5; the only privilege-adjacent commands (sudo apt install gh, gh repo create --push) are standard, expected, and clearly the quest’s stated purpose (not unwarned side effects).

🔗 Chain Continuity

Read in plan order (GitHub Pages Basics → Jekyll Fundamentals → YAML Configuration → Git Workflow Mastery → Liquid Templating), carrying forward what a learner would actually have after each quest:

• Topically, this is a coherent, well-designed arc. All five quests share quest_series: "Static Site Mastery" / quest_line: "The Web Fundamentals Codex" / quest_arc: "Forging Your First Website", and the skills genuinely build on each other: Jekyll’s directory/build model → YAML config/data → Liquid templating → Git branching discipline → publishing to GitHub Pages is a sensible real-world sequence for a beginner building and shipping their first site.
• But the walk order this session was given is not that sequence, and it should have been. As detailed in Issues, the five quests’ quest_dependencies frontmatter forms a genuine cycle when read together (Jekyll Fundamentals ⇄ GitHub Pages Basics ⇄ Git Workflow Mastery, with YAML Configuration and Liquid Templating also looping back through Jekyll Fundamentals’s unlocks_quests). Every one of GitHub Pages Basics, YAML Configuration, and Liquid Templating correctly declares jekyll-fundamentals as a required prerequisite in its own frontmatter — the intended chain is unambiguous and consistent on that point. The only quest that breaks it is Git Workflow Mastery, whose unlocks_quests claims it unlocks Jekyll Fundamentals — a quest that is supposed to be the level’s zero-prerequisite entry point (required_quests: []). That single inverted edge is what defeats the planner’s topological sort and produced this run’s actual order (GitHub Pages Basics first), which — if a real learner followed it literally, in order, with no other context — would have them attempt a quest whose own stated prerequisite (“Completion of Jekyll Fundamentals”) hasn’t been met yet.
• In practice the damage is contained, not catastrophic. GitHub Pages Basics’ body doesn’t actually require Jekyll Fundamentals’ specific artifacts beyond “a working Jekyll site already exists” (its own Chapter 1 starts from cd my-castle, assuming that site is already scaffolded) — so a learner who happened to have already built a Jekyll site some other way wouldn’t be blocked outright. But that’s exactly the ambiguity a correct dependency graph is supposed to eliminate, and it’s the reason this walkthrough — simulating a first-time learner with only this window’s stated order to go on — surfaced the problem at all.
• Git Workflow Mastery’s own prerequisite chain is also worth a second look. It correctly requires /quests/0000/git-basics/ (a different, foundational level) and recommends GitHub Pages Basics, which is reasonable — its own content (branches, PRs, conflict resolution) doesn’t depend on Jekyll knowledge at all, so its actual body content sits outside this quest’s Jekyll-focused arc even though it shares level: "0001" and the quest_series/quest_line tags with the other four. It’s the odd one out topically as well as graph-wise.
• Terminology and environment carry over cleanly. None of the later quests silently assume something the earlier ones in this window didn’t teach (aside from the cycle above) — _config.yml, _data/, Liquid delimiters, and Git branch/PR vocabulary are each introduced before they’re relied upon in the intended (non-cyclic) reading order.

Net: the five quests are a genuinely well-conceived learning arc undermined by one bad frontmatter edge (Git Workflow Mastery’s spurious unlocks_quests: jekyll-fundamentals) that turns the whole window into an unsortable cycle for any tool — like this walkthrough’s planner — that tries to derive a strict play order from the declared dependency graph.

🧠 Reasoning & Method

• Mode: execute (sealed). The quest-walkthrough.yml workflow pre-computed and sealed walk-evidence.json / walk-evidence.md via the deterministic agentic execute engine before this session started; I consumed them as-is and made zero edits to walk-plan.json, walk-evidence.*, or any quest content (the engine’s child claude processes can’t authenticate from my Bash tool, so I could not and did not re-run it). This was not a --mock run — walk-evidence.json’s meta blocks show real cost_usd/turns/duration_s/session_id per quest.
• What I ran vs. reasoned: All passed/failed/skipped outcomes cited above are from commands the execute engine actually ran in its disposable sandbox (real Jekyll 4.4.1/Bundler builds, the Ruby liquid gem, yamllint, a local bare-repo git simulation, gh --help flag checks). I performed one additional read-only verification of my own: cross-reading all five quests’ quest_dependencies frontmatter against _data/quests/network.yml’s edges list and re-deriving the planner’s succ/SCC logic from scripts/quest/walkthrough_plan.py by hand — this is reasoned, not executed, and is the basis for the graph-cycle finding in Issues/Chain Continuity. Everything else in Chain Continuity is static reasoning over the five quest source files I read in full, in plan order.
• Coverage / limits: This is window 2 of 6 — only 5 of the level’s 26 quests were walked in this run; I make no claim about the other 21 (the perfection ledger accumulates coverage of the remaining windows across separate runs). Per-quest snippet coverage is reported in §Evidence (e.g. Liquid Templating ran 15/15 recorded snippets; GitHub Pages Basics ran 7/7 runnable but skipped 4 unsafe/interactive ones like brew install/gh auth login). Environment limits noted throughout: macOS (brew), Windows (PowerShell/winget), and real network-mutating steps (gh repo create --push, DNS record creation, docker-compose image pulls) could not be exercised in this headless Linux sandbox — these were correctly labeled reasoned/skipped by the engine, not scored as quest defects.
• Confidence: High on all five per-quest scores (each backed by real command execution, not inference) and on the two Liquid bugs (both independently reproduced with real error output/cat -A byte inspection). High on the dependency-cycle finding too — it’s a direct, mechanical read of _data/quests/network.yml’s committed edges plus the planner’s own documented algorithm, not a subjective judgment call.

Machine evidence excerpt (verbatim from walk-evidence.md):

5 quests evaluated · ✅ 4 pass · ⚠️ 1 warn · ❌ 0 fail · avg 81.8% · ~$4.3236

	Score	Quest	Level	Snippets run	Summary
✅	83	GitHub Pages Basics: Host Your Jekyll Site for Free	0001	7/7	The quest’s core technical claims all held up under actual execution…
✅	83	Jekyll Fundamentals: Build Static Sites with Ruby	0001	9/10 (1✗)	The quest’s core Jekyll workflow… was executed end-to-end in the sandbox and worked exactly as described…
✅	80	YAML Configuration: Site Settings Mastery	0001	11/7 (1✗)	The quest’s YAML/Jekyll content is technically solid…
✅	92	Git Workflow Mastery: Branches, Merging & Team Collaboration	0001	8/10	Git Workflow Mastery is a well-structured, technically sound quest…
⚠️	71	Liquid Templating: Dynamic Content for Jekyll Sites	0001	15/4 (2✗)	Most of the quest’s Liquid content is accurate and was verified to work exactly as documented…