From Paul's approved UX and the eb686f36 session post-mortem: The standing exit: direction rounds carry a quiet, permanent "Play it straight" action (payload flag canon, reserved id) on the decision page and as the last structured-tool option. It is the user's door, never the model's: never recommended, never weighed against the roll, and choosing it swaps the bar rather than lowering it, two or three named reference products become the craft level, canon executed at full commitment. Safer/conventional steers resolve here, never to a stranger re-roll. Session fixes, each mechanical where possible: the ANSWER line now names the chosen card's hero and board and directs opening them before code (the session built from text alone after viewing a different world's card); generation scale joins the imagery rule (a library of centered 128px subjects foreclosed the atmospheric hero); DESIGN.md rules are checked against the world's native devices and never added to silence a hook finding (the session banned arcade lettering's own offset shadow and laundered 8px through the ramp); staging joins the FORM contract block (the axis was dropped silently at world-choice); the finishing reviewer audits the ceiling against the QUALITY BAR card after persistence (floor rigor was disguising unreached ambition); the icon-tile clause names hand-drawn icons as remedy, not target. Dist rebuild deferred: the release-gate campaign reads the pinned dist. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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New visual work
Use this flow when making a new surface or replacing a visual identity. PRODUCT.md owns product truth. DESIGN.md owns durable visual decisions. A surface brief keeps strategy that belongs only to one route or artifact. Complete init.md first when PRODUCT.md is missing; a missing DESIGN.md does not route back to init.
1. Decide what is already true
Read DESIGN.md, representative code, tokens, components, and assets.
- Redesign: preserve product truth, content, function, constraints, and explicit brand commitments; replace the old visual world rather than polishing it. The old look is evidence of what the subject is, not authority over what it becomes.
- Established world: inherit it. A missing DESIGN.md does not erase a coherent identity already present in code; document that identity instead of inventing a replacement.
- Incomplete brand: preserve confirmed assets and recognizable traits, then help the user expand the system for this new surface.
- No visual authority: create a new world with the user.
A section, component, feature, or state inside an established surface inherits that surface. Do not turn a local addition into a new identity exercise.
2. Ask what will change the work
Ask one round of two or three related questions through the structured question tool when available. Skip settled facts; a precise request may need only a compact confirmation.
- Persuade: clarify who must act, what they should believe, and which real proof, content, or assets can earn that belief.
- Operate: clarify the task, information, important states, frequency, and constraints.
- Read: clarify the reader's question, source material, structure, and wayfinding.
- Experience: clarify what leads, how exploration unfolds, and which interaction or transition matters.
Across modes, ask what success looks like, what must remain untouched, and what would make a polished result feel wrong. Do not ask for CSS values or canned aesthetic lanes.
3. Choose the right amount of invention
Extend an existing surface
Inherit its world and composition. Resolve only the new purpose, content, hierarchy, states, interaction, and how the addition joins the surrounding experience. Do not run a concept tournament or change DESIGN.md unless the user approves a durable system change.
Create a whole surface inside an established world
Keep the visual system fixed. Derive five to seven materially different structures from the content, task, and user behavior, ordered by resonance. For a genuinely open whole page, screen, or flow, run:
node {{scripts_path}}/concept-seed.mjs --scope surface --mode <mode>
The script assigns which structure gets built: your top-ranked structure is what every run would ship, and a single ranking is deterministic, so the dice come from outside. Dress its staging challengers in the committed identity and weigh them against your list before building. Never run the script for a local extension or a precisely specified narrow request; shape those directly.
Create or replace the visual world
- Name the product's unique mechanism in one sentence, the audience's real scene, its cultural home, and what this first surface must prove. Note the page this category always ships and its predictable opposite; name both as the rut and keep them out of the seven-candidate list, so no die face is spent on the page the category already ships.
- From that cultural world, list seven concrete visual systems, artifacts, places, or rituals the audience knows by heart, each with one line on why it resonates and can carry the mechanism, ordered by resonance. The audience's world includes its graphic and screen traditions, the notation, publications, identity programs, data graphics, and interfaces it reads daily, not only its physical objects; a nameable abstract system (a school of poster, a documentation standard, a data-graphic tradition) is as concrete a candidate as any artifact. What would this thing look like as a physical object; what did its world look like before the web? Near-duplicates count once. When more than three of the seven share one material family, the derivation stopped at the subject's most obvious artifact; the audience's world is larger than that, so dig until the list spans at least three families.
- Turn that material into complete directions: each joins a reusable visual world to a concrete first-surface experience.
- Run
node {{scripts_path}}/concept-seed.mjs --scope direction --mode <mode>and follow what it prints. The script assigns which direction gets built and deals catalog challengers. Fuse each challenger before judging it: the challenger supplies the form and its system grammar, the product supplies every fact, and clarity wins conflicts. Weigh fused challengers against the assigned direction on exactly two axes, audience identification and product clarity; losing to strong grounded material is a valid outcome, and beating a thin or tool-monoculture list is the point. - Present one direction, fully committed: its world, first viewport, visitor path, signature interaction, cross-surface reach, and honest risk. Alongside it, offer the one or two fused challengers that survived the weighing as named alternates with a one-line case each, plus re-roll with an optional one-line steer. What you never present is a ranked menu of your own grounded candidates; a lineup of those invites the safest card, while dealt challengers carry no such rut. The two channels share this structure and differ only in richness: cards and boards on the decision page, names and one-liners through the structured tool; the structured tool's option list also carries the standing exit as its last option.
The standing exit: every direction round offers one quiet, permanent alternative, the category standard, played straight. It is the user's door, never yours: never recommend it, never weigh it against the roll, never take it on your own judgment, and never let its existence soften the dealt directions; the counterweights bind the unchosen default, not the chosen one. When the user takes it, or asks in a steer or in any words for the safe, familiar, or competitor-like path, convention becomes the commitment: ask once for two or three products this should sit alongside, make their craft level the quality bar, and execute the category's canon at full fidelity, conventions embraced without irony, without a smuggled quirk, and without the half-heartedness that treats the choice as a defeat. A steer asking for safer or more conventional resolves here, never to a stranger re-roll. If the user states it as a standing preference, record it as a brand commitment in PRODUCT.md so no future surface re-litigates it. Re-roll eliminates every direction already shown, grounded and challenger alike; after two consecutive re-rolls, ask what quality is missing. You may re-roll on your own only on named factual grounds, when the assigned direction cannot carry the product's truth or task; taste is never grounds. The user may re-roll freely, and a user- or brief-pinned direction beats the roll, always. Pick the channel by capability, not by habit: can you put a page in front of the user, through an in-app browser or by opening a browser window on their machine outside your harness? If yes, present the decision visually: write an options payload with the assigned direction leading, the dealt challengers as alternates carrying their QUALITY BAR cards, and re-roll, steer, plus canon enabled; a degraded roll with no challengers still uses the page, as a single text-only card with re-roll, then run node {{scripts_path}}/serve-question.mjs --start --payload <file> (run it with --schema first for the exact payload shape). It daemonizes, prints the page URL and a key, and exits immediately; now open that URL for the user, preferring the in-app browser when the harness has one, then the system opener, then showing the URL. Collect the choice with --wait --key <key>, repeating while it exits 3; the ANSWER prints as JSON. Exit 4 means the page was closed without an answer: re-present once through the structured question tool, and with no answer there either, proceed unattended with the assigned direction and state the assumptions. A harness that can leave a shell blocked in the background may instead run the script without --start and let it auto-open and block. If no, because the session is headless, CI, an eval worker, or a remote shell with no display, skip the page and put the same decision through the structured question tool; the script self-detects these environments and exits 2 with that advice, so treat exit 2 as this fallback, never as an error to retry.
Catalog worlds are working systems, not mood references. When one survives, carry its palette and material, type and composition, topology, controls and state, and responsive rules into the product. When the source is itself an interface language, commit to its native grammar across navigation, content, controls, and states. When the harness can view images, open the QUALITY BAR board and hero the seed prints for the world you build, at the moment the choice lands, and again even if you viewed a different world's card earlier in the round; a card opened for calibration before the choice tells you nothing about the world the user actually picked, and the ANSWER line names the chosen card's images for exactly this reason (when the harness only reads local images, download the card to a temp file first and view that). They set the craft level the build must reach, the finish, commitment, and art direction of a rendered reference, and never dictate the composition; your surface serves this product.
Every direction the roll can land on must already be viable: every relationship and claim it visualizes true, a real palette and component family, a distinctive composition with one product-specific experience, workable at full-surface scale within the available assets, tools, and performance budget. A candidate that fails on truth is replaced before the roll, never rescued by it. Truth binds claims, not demonstrations: in greenfield work, author whatever illustrative material the concept needs at full fidelity, label it synthetic wherever a visitor could mistake it for the real thing, and hand the user the list of what to replace with real material. What stays uninventable are commercial and factual claims: prices, customers, benchmarks, endpoints, capabilities the product does not have. Refusing a bold direction because its demonstration data does not exist yet is the timidity reflex wearing honesty's clothes.
For Persuade, the opening must make the offer intelligible and desirable, expose a clear action, and demonstrate something only this product can prove. Conversion lives inside the form's own vocabulary: a hook that lands in one line, a visible primary action, a legible reading order. A committed form that hides the offer or the action has not finished translating. For Operate, expression may never obscure the task, state, or familiar affordance. For Read, comprehension and wayfinding remain intact. For Experience, the work itself leads from the first viewport.
4. Commit the world
Pick a color strategy before picking colors: Restrained (neutrals plus one accent; the default when the visitor came to operate or read), Committed (one saturated color carries 30-60% of the surface), Full palette (3-4 named roles), or Drenched (the surface IS the color). Persuade and Experience surfaces have permission for the bolder strategies; take them when the brief allows. Color commits at page scale: fields that own whole regions, not accents scattered over a neutral ground. Dark or light is never a default: write one sentence of physical scene (who uses this, where, under what light) and let it force the answer.
Choose faces like objects from the subject's world, in the mode's register. Operate and Read surfaces are well served by system stacks and workhorse UI faces; Persuade and Experience surfaces want faces with a point of view, and these training-data defaults mean you stopped looking: Fraunces, Playfair Display, Cormorant, Lora, Crimson, Newsreader, Syne, Space Grotesk, Space Mono, IBM Plex, Inter-as-display, DM Sans, DM Serif, Outfit, Plus Jakarta Sans, Instrument Sans. Naming one of these faces anyway requires a reason no other face could satisfy, and a subject association is never that reason: books wanting a serif, bookshops wanting hand-lettering, and tech wanting a mono are the associations the list exists to break.
Calibration: AI-generated interfaces cluster around a few looks regardless of subject: warm cream ground, high-contrast serif display, and a terracotta or signal-red accent; near-black with one neon accent and glowing edges; broadsheet-editorial hairlines, italic display serif, and small tracked mono labels. All are legitimate when the brief calls for them; the brief always wins. Where the brief leaves the aesthetic free, landing in one of them means the self-check failed: if someone could guess your aesthetic from the category alone, or from category-plus-avoidance, rework until neither answer is obvious. Energy is not the enemy of trust: a brief's negative constraints (no gamification, no hype) rule out those devices, not exuberance, and adjectives describing the product's behavior (quiet support, calm coaching) do not dictate the surface's energy. A bookish, warm, or child-facing subject does not soften the calibration: book cloth, thread, jackets, endpapers, and shelf ephemera span the whole saturated spectrum, and cream paper is the smallest corner of that world; landing on cream plus serif for a book subject is the default wearing the subject's clothes. A brief-pinned world pins the world, not its softest rendition: the pinned world's full material range stays in play, and a rendition that matches what any model ships for that world failed the self-check at execution rather than selection.
Your measured rendition prior: warm, bookish, family, and child-facing subjects come out as cream grounds, serif display with italic accents, and lamplight, even when the assigned direction never asked for them. Treat that first palette as already spent. Before writing code, reread your OWN-WORLD block: when it says cream, paper, parchment, ivory, or lamplight for a Persuade surface the brief did not pin, the rendition failed and you rework it from the world's saturated materials first. The same subject renders as bookcloth, thread, jacket, and endpaper color on other models; nothing about the subject requires your default.5. Record the decision
Before code, state the chosen direction as a contract in the artifact's opening comment, five short blocks, 150 words at most. THESIS: the one idea this surface owns and the category-default arrangement it refuses. OWN-WORLD: the palette and component language, specific enough to be recognizable with all content removed. STORY: what the visitor understands, believes, and does. FIRST VIEWPORT: the exact composition, what is where and at what scale, and where the primary action sits. FORM: the chosen form, its position on your ordered list, the staging chosen for it, and the seed key the script printed; when the seed dealt stagings, choosing the world does not silently discharge the staging decision, so name the one you commit to. If a block reads like a mood, the direction is not decided yet; the finishing review audits the render against this contract.
When a new or replacement world is chosen, DESIGN.md is part of recording the decision, not an aftercare step: write it at the appropriate project or app boundary using document.md before the first build edit lands, in the same working stretch as the direction contract. Record only durable system rules; exact tokens may remain provisional until the first build establishes them, and you update the file when the build settles them. A new world shipped with no DESIGN.md is an incomplete run, exactly as a missing PRODUCT.md is; the finishing review checks the file exists and matches the built world. An ordinary extension does not rewrite DESIGN.md.
Two ways a DESIGN.md rule goes wrong, both observed: a rule you invent that bans a device the world itself uses natively (arcade lettering lives on its offset shadow, print on its misregistration), which reads as discipline while quietly fighting the form, so check every prohibition you write against the world's own materials; and a token added to DESIGN.md so a hook finding stops firing, which launders the value instead of judging it, so a value earns its place by the world and by legibility, never by silencing a check.
If the work establishes durable strategy for a route or artifact, read its existing surface brief, then update it:
node {{scripts_path}}/surface-brief.mjs read <primary-target>
node {{scripts_path}}/surface-brief.mjs write <primary-target> <body-file> [related-target ...]
Keep the brief small: scope and visitor mode; audience, job, action/task, proof/content, and constraints; chosen direction and memorable moment; unresolved decisions. Do not copy global product truth or DESIGN.md tokens into it.
Visualize before you build whenever any image generation is available, a harness-native tool or the API fallback context.mjs reports: render the chosen direction as a design-system board and a first-surface mock, correct material drift between mock and intent, then build. Seeing the direction first measurably strengthens the result. codex.md carries the deep native-generation flow; the mock is a selection aid, not authority.
For shape, return the selected direction to shape.md and stop before persistence or implementation.
6. Build with full commitment
Build the assigned direction, not a safer interpretation of it. The form supplies structure, reading order, component conventions, and native motion; the product supplies every fact. Commit every atom: nav, buttons, inputs, and links are rebuilt in the form's vocabulary, and a stock component inside a committed form is a lapse. Land the first build fully committed; committing is the hard part, and the passes that follow exist to make the committed thing clear and effective, never to dilute it. In unattended work, the safe rendition is the known risk.
- The first viewport is a thesis, not a header. Demonstrate the mechanism immediately, at the scale the form has in life; do not trap the concept inside a standard hero or card shell. The memory test: if someone left after one viewport, what would they describe an hour later? If the honest answer is a mood, the concept has not committed yet.
- Prove, don't claim. Show the subject doing its job: the interface at work, the mechanism dramatized, specifics a competitor could not copy-paste. Sections that restate a claim in different words add length, not substance. Demonstration data is design material: author it at full fidelity and label it synthetic; never invent prices, customers, benchmarks, or capabilities.
- Author the assets; never substitute chrome. Great surfaces live on carefully made content: names, entries, titles, copy, covers, thumbnails, textures. In greenfield work every blank the ask round left open is yours to author at production fidelity; content is authorable, claims are labelable, and no section is omittable. When a commercial claim stayed unanswered, ship a clearly marked placeholder value and hand the user the replacement list; a section thinned or dropped for missing truth is the asset gap wearing honesty's clothes. Decoration compensating for missing content, gradients, glass, borders, generic icon tiles where an authored asset belongs, is the same gap wearing chrome's; icons drawn by hand in the world's own grammar are authored assets, the remedy this rule protects, never its target.
- Generate the imagery the build needs. When any image generation is available, a harness-native tool or the API fallback context.mjs reports, generating the design's imagery is part of building: heroes, covers, demonstration thumbnails, textures, marks. Gray boxes and stock-styled placeholders are not a fallback while generation is one command away; state the cost once before the first render and batch what the surface needs. Generate at the scale the composition needs: a first viewport that wants atmosphere is generated as a scene, full-bleed and layered, with foreground, subject, and depth; a library of small centered subjects on plain grounds cannot compose into one, and standardizing every asset to icon scale for tidiness or file size forecloses the page's ambition before a line of code exists.
- Build the form's web leverage. When the chosen world names a technique (canvas, WebGL, view transitions, generative motion), build the technique itself, not a static imitation of it; the graceful fallback serves constrained clients, it is not the default experience.
- Pace the scroll like a studio. Vary density, scale, image, motion, and quiet inside one grammar; a dense passage earns a quiet one, and the page ends anchored by a real close. One spacing rhythm throughout, with more space above a heading than below it.
- Use real, verified imagery when the brief implies it. Search for the subject's physical object rather than the category; one decisive photo beats five mediocre ones. Verify stock URLs resolve.
- Author motion as material. The form has native motion, what it does in life between states; give the page that motion once, orchestrated, rather than scattered hover effects. Bound expensive effects and keep content visible by default.
Preserve semantics, accessibility, performance, responsiveness, project conventions, and working behavior.
7. Inspect and finish
Inspect desktop and mobile, critique the render against the user's request, the direction contract, and DESIGN.md, fix material gaps, and re-inspect. On a Persuade surface, verify the mode did its job: a first-time visitor should know what this is, why it matters, and what to do within seconds, in the form's own vocabulary. After a first implementation of a new world, update DESIGN.md with the exact tokens and behaviors that survived the build.
When the harness can run a separate agent, this review belongs there, not in the build thread: give it the original request, confirmed answers, the artifact path, its direction contract, DESIGN.md, and existing hook findings. The reviewer's first check is persistence: on a new or replacement world, PRODUCT.md and DESIGN.md exist and DESIGN.md matches the built world; a missing file fails the review before any craft point is scored. Its second check is the ceiling, against the chosen world's QUALITY BAR card when one exists: name the world's native devices the build left unused, its frame, its depth, its lettering treatment, its ornament density, because rigor about the floor, contrast, tokens, breakpoints, is very good at disguising a build that never reached for the card's level. Then ask for a short list of material fixes, promise by promise against the contract, apply them, and finish. Do not run a second detector.