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FabledScribe/frontend/src/components/rules/RuleEditorSlideOver.vue
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feat(rules): the check is editable, visible, and sweepable in the UI (#3098, milestone 312 step 4)
Rule 27 — the milestone was backend-only until this. Four surfaces:

RULE EDITOR — verify_with and expires_when under a legend that asks the
actual question ("Can this rule go stale?") and says empty is the normal
answer, because most rules are decisions and a form that implies a missing
field would get them filled in out of tidiness. When the SAVED rule carries
a check, the stamp shows with Still true / No longer true beside it. The
stamp reads the stored value, not the draft: an unsaved edit to the textarea
has not been run against anything.

SWEEP PANE — its own surface, not a filter on the rule list. That list can
only ever show one topic of one rulebook, and a rule that has gone false
belongs to no one rulebook; filtering it would under-report, which is the
failure this whole surface exists to catch. Reached from the rulebook list,
below the rulebooks, because that is where you go to look at rules.

RULE ROWS — a chip only on rules carrying a check, so its presence is the
signal. PROJECT RULES TAB — the check shows beside `why` when a rule has
one, read-only: that tab is the project's view of what binds it.

NO AGE-GRADED COLOUR anywhere, deliberately. The sweep is already ordered by
urgency, so a red/amber ramp would restate the ordering AND require an
invented "stale after N days" threshold — a magic number nobody could defend
and the first thing to go out of date. --fs-overdue is error red and reserved
for a broken promise like a missed due date; a verification age is not one,
and colouring it that way makes a rule someone just wrote look broken. Only
"never" is marked, because it is categorically different from a date rather
than a worse one — and it is marked by weight, not hue.

An empty sweep says "Nothing to check", not nothing: good news must not read
as a broken page.

Two chips (tier, then verification) turned out byte-identical, so .rule-chip
moves to rules-shared.css and snippet #2906 is updated to match rather than
left describing a file that has moved on. Its header comment counted the
panes it served; that count went stale the moment a fourth arrived, so it no
longer counts.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-27 11:53:35 -04:00

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<script setup lang="ts">
import { computed, ref, watch, onMounted } from "vue";
import { useRulebooksStore } from "@/stores/rulebooks";
import { useCanonicalSystemsStore } from "@/stores/canonicalSystems";
import type { RuleTier } from "@/api/rulebooks";
const props = defineProps<{ ruleId: number | null; topicId: number | null }>();
const emit = defineEmits<{ close: [] }>();
const store = useRulebooksStore();
const canon = useCanonicalSystemsStore();
const title = ref("");
const statement = ref("");
const whenToApply = ref("");
const tier = ref<RuleTier>("always_on");
const systemIds = ref<number[]>([]);
const why = ref("");
const howToApply = ref("");
const verifyWith = ref("");
const expiresWhen = ref("");
const relations = computed(() => store.currentRule?.relations ?? []);
// The label a reader needs to judge an edge, not the stored token.
const RELATION_LABEL: Record<string, { outgoing: string; incoming: string }> = {
co_surfaces: { outgoing: "arrives with", incoming: "arrives with" },
overrides: { outgoing: "overrides", incoming: "is overridden by" },
elaborates: { outgoing: "elaborates", incoming: "is elaborated by" },
};
function relationLabel(kind: string, direction: "outgoing" | "incoming") {
return RELATION_LABEL[kind]?.[direction] ?? kind;
}
function toggleSystem(id: number) {
const at = systemIds.value.indexOf(id);
if (at >= 0) systemIds.value.splice(at, 1);
else systemIds.value.push(id);
}
const isCreating = ref(props.ruleId === null);
// The stored stamp, not the draft: it describes the check that was RUN, and
// an unsaved edit to the textarea has not been run against anything.
const verifiedAt = computed(() => store.currentRule?.verified_at ?? null);
const savedCheck = computed(() => store.currentRule?.verify_with ?? "");
// Built here rather than in the template: same shape as the server's
// last_verified_label, and it keeps the null-narrowing in TypeScript's reach.
const stampLabel = computed(() =>
verifiedAt.value ? `Last checked ${verifiedAt.value.slice(0, 10)}` : "Never checked",
);
const verifying = ref(false);
async function verify(stillTrue: boolean) {
if (props.ruleId === null) return;
verifying.value = true;
try {
await store.verifyRule(props.ruleId, stillTrue);
} finally {
verifying.value = false;
}
}
async function load() {
if (props.ruleId !== null) {
await store.fetchRule(props.ruleId);
const r = store.currentRule;
if (r) {
title.value = r.title;
statement.value = r.statement;
whenToApply.value = r.when_to_apply || "";
tier.value = r.tier || "always_on";
systemIds.value = (r.systems ?? []).map((sys) => sys.id);
why.value = r.why || "";
howToApply.value = r.how_to_apply || "";
verifyWith.value = r.verify_with || "";
expiresWhen.value = r.expires_when || "";
}
} else {
title.value = "";
statement.value = "";
whenToApply.value = "";
tier.value = "always_on";
systemIds.value = [];
why.value = "";
howToApply.value = "";
verifyWith.value = "";
expiresWhen.value = "";
}
await canon.fetchCatalog();
}
async function save() {
if (!title.value.trim() || !statement.value.trim()) {
emit("close");
return;
}
const fields = {
title: title.value,
statement: statement.value,
when_to_apply: whenToApply.value,
tier: tier.value,
// Always sent, so clearing the last area actually clears it — the server
// reads a list as "these ARE the areas now".
system_ids: systemIds.value,
why: why.value,
how_to_apply: howToApply.value,
// Always sent, including empty. The REST door maps "" to NULL, so
// clearing a field here actually clears it — the MCP door's "" means
// "leave unchanged" and needs an explicit clear_fields list instead.
verify_with: verifyWith.value,
expires_when: expiresWhen.value,
};
if (isCreating.value && props.topicId !== null) {
await store.createRule(props.topicId, fields);
} else if (props.ruleId !== null) {
await store.updateRule(props.ruleId, fields);
}
emit("close");
}
async function remove() {
if (props.ruleId === null) return;
if (!confirm("Delete this rule? This cannot be undone.")) return;
await store.deleteRule(props.ruleId);
emit("close");
}
onMounted(load);
watch(() => props.ruleId, load);
</script>
<template>
<div class="backdrop" @click="save">
<aside class="slide-over" @click.stop>
<header>
<h2>{{ isCreating ? "New rule" : "Edit rule" }}</h2>
<button v-if="!isCreating" class="trash" @click="remove" aria-label="Delete">🗑</button>
<button class="close" @click="save" aria-label="Close">×</button>
</header>
<label>
Title
<input v-model="title" placeholder="e.g. dev is home" />
</label>
<label>
Statement <span class="required">*</span>
<textarea v-model="statement" rows="3" placeholder="The actionable instruction (1-2 sentences)." />
</label>
<label>
When to apply
<textarea
v-model="whenToApply"
rows="2"
placeholder="The trigger, not the instruction — “before any git push”, “when a release is being cut”."
/>
</label>
<fieldset class="tier">
<legend>How it reaches a session</legend>
<label class="tier-opt">
<input v-model="tier" type="radio" value="always_on" />
<span>
<strong>Always on</strong>
loaded into every session.
</span>
</label>
<label class="tier-opt">
<input v-model="tier" type="radio" value="conditional" />
<span>
<strong>Conditional</strong>
arrives when its trigger fires.
</span>
</label>
<p class="tier-test">
The test: can you name the trigger <em>without</em> naming a system, an artifact type
or a moment? If the honest answer is whenever you are working, it is always on.
Conditional costs nothing when it is irrelevant, which is what lets it be as long as
it needs to be.
</p>
</fieldset>
<fieldset v-if="canon.catalog.length" class="areas">
<legend>Areas this rule is about</legend>
<label v-for="entry in canon.catalog" :key="entry.id" class="area-opt">
<input
type="checkbox"
:checked="systemIds.includes(entry.id)"
@change="toggleSystem(entry.id)"
/>
<span>{{ entry.name }}</span>
</label>
<p class="tier-test">
What lets this rule reach a project working in that area.
</p>
</fieldset>
<fieldset class="check">
<legend>Can this rule go stale?</legend>
<p class="tier-test intro">
Most rules are <em>decisions</em> they have no truth value and change only when you
change them. Leave this empty for those. Fill it in when the rule asserts a
<em>fact</em> about something outside your control, because those go false quietly.
</p>
<label>
How to check it is still true
<textarea
v-model="verifyWith"
rows="2"
placeholder="A command, a path, a query — something runnable beats prose."
/>
</label>
<label>
What would end it
<textarea
v-model="expiresWhen"
rows="2"
placeholder="A state, not a date — “when the runner can be given a bash shell”."
/>
</label>
<div v-if="savedCheck" class="stamp">
<span class="stamp-age" :class="{ unchecked: !verifiedAt }">{{ stampLabel }}</span>
<span class="stamp-actions">
<button type="button" :disabled="verifying" @click="verify(true)">Still true</button>
<button type="button" :disabled="verifying" @click="verify(false)">No longer true</button>
</span>
</div>
<p v-if="savedCheck" class="tier-test">
Record this after actually running the check, never on the strength of the rule
sounding plausible. No longer true deliberately stores nothing the rule is wrong,
not in a state worth recording, so it stays at the top of the sweep until you fix or
retire it.
</p>
</fieldset>
<section v-if="relations.length" class="relations">
<h3>Related rules</h3>
<ul>
<li v-for="rel in relations" :key="rel.id" class="relation">
<span class="relation-kind">{{ relationLabel(rel.kind, rel.direction) }}</span>
<span class="relation-target">rule #{{ rel.rule_id }}</span>
<span v-if="rel.note" class="relation-note">{{ rel.note }}</span>
</li>
</ul>
<p class="tier-test">
Rules that <em>fail together</em> are linked, never merged a merged rule cannot be
cited, surfaced or suppressed a clause at a time.
</p>
</section>
<label>
Why
<textarea v-model="why" rows="4" placeholder="Rationale — the reason this rule exists." />
</label>
<label>
How to apply
<textarea v-model="howToApply" rows="4" placeholder="When / where this kicks in." />
</label>
</aside>
</div>
</template>
<style scoped>
.backdrop {
position: fixed; inset: 0;
background: rgba(0, 0, 0, 0.4);
z-index: 100;
}
.slide-over {
position: fixed; top: 0; right: 0; bottom: 0;
width: min(520px, 90vw);
background: var(--fs-surface-hover);
border-left: 2px solid var(--fs-accent);
padding: 1.5rem;
overflow-y: auto;
box-shadow: -8px 0 32px rgba(0, 0, 0, 0.3);
}
header { display: flex; gap: 0.5rem; align-items: center; margin-bottom: 1rem; }
header h2 {
flex: 1; margin: 0;
font-family: Fraunces, serif; font-style: italic;
}
label { display: block; margin-bottom: 1rem; }
.required { color: var(--fs-accent); }
input, textarea {
width: 100%; margin-top: 0.25rem;
background: var(--fs-surface-page); color: inherit;
border: 1px solid var(--fs-border-color); border-radius: 6px;
padding: 0.5rem; font: inherit;
font-family: inherit;
}
fieldset { border: 1px solid var(--fs-border-color); border-radius: var(--fs-radius-md); padding: 0.75rem; margin-bottom: 1rem; }
legend { padding: 0 0.35rem; font-size: 0.8rem; color: var(--fs-text-tertiary); }
.tier-opt, .area-opt { display: flex; align-items: flex-start; gap: 0.5rem; margin-bottom: 0.4rem; font-size: 0.88rem; }
.tier-opt input, .area-opt input { width: auto; margin-top: 0.2rem; accent-color: var(--fs-accent); }
.tier-test { margin: 0.5rem 0 0; font-size: 0.78rem; color: var(--fs-text-tertiary); line-height: 1.45; }
.relations h3 { margin: 0 0 0.5rem; font-size: 0.85rem; color: var(--fs-text-secondary); }
.relations ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.35rem; }
.relation { display: flex; align-items: baseline; gap: 0.4rem; flex-wrap: wrap; font-size: 0.85rem; }
.relation-kind { color: var(--fs-accent); }
.relation-target { color: var(--fs-text-primary); }
.relation-note { width: 100%; font-size: 0.78rem; color: var(--fs-text-tertiary); }
/* A real base rule, not just descendants: the dangling-style check reads a
class that only ever appears as an ancestor as a half-deleted rule, and it
is right to — an element whose appearance comes only from its tag is one
`fieldset {}` edit away from being unstyled. */
.check { margin-bottom: 1rem; }
.check .intro { margin-top: 0; margin-bottom: 0.75rem; }
.check label { margin-bottom: 0.75rem; }
.stamp {
display: flex; align-items: center; gap: var(--fs-space-2);
flex-wrap: wrap;
margin-top: 0.25rem;
}
.stamp-age { font-size: 0.8rem; color: var(--fs-text-secondary); font-variant-numeric: tabular-nums; }
/* Never-checked is INFORMATION, not an error: it is the ordinary starting
state of every constraint anyone has just written. --fs-overdue (error red)
is reserved for a broken promise like a missed due date; a verification age
is not one, and colouring it that way would make a brand-new rule look
broken. Secondary text, weighted normally. */
.stamp-age.unchecked { color: var(--fs-text-tertiary); font-style: italic; }
.stamp-actions { display: flex; gap: var(--fs-space-2); margin-left: auto; }
.stamp-actions button {
cursor: pointer; font: inherit; font-size: 0.78rem;
background: var(--fs-surface-raised); color: var(--fs-text-primary);
border: 1px solid var(--fs-border-color); border-radius: var(--fs-radius-sm);
padding: 0.2rem 0.55rem;
}
.stamp-actions button:hover:not(:disabled) { background: var(--fs-surface-hover); }
.stamp-actions button:disabled { opacity: var(--fs-disabled-opacity); cursor: default; }
.trash, .close { background: none; border: none; cursor: pointer; opacity: 0.6; font-size: 1.25em; }
.trash:hover, .close:hover { opacity: 1; }
</style>