Files
Arcrun/landing/app/mira/wiki/[pageName]/page.tsx
T
Leo 7dae958dbe feat(mira/wiki): backlinks section — 顯示提到此 entity 的 raw notes (#2 leo 反饋)
leo 2026-05-17 反饋:「從這本書的條目應該反向連到那篇筆記去,
如果在 Logseq 會放在下方列表提到這個條目的其他內容」

實作:
- 撈所有 content === entity 的 wiki-page (V3 一次寫入會建多個 wiki-page
  per raw mention)
- 從每個 wiki-page tags_json 取 raw:XXX tag → unique raw_ids
- fetch 對應 raw blocks → render 「📎 提到此 entity 的筆記」section
  每條 link 跳 /mira/feed#page=...
- 顯示前 100 字 preview,全文 hover title
- 樣式:左 border + 暗色背景 (區分於主內容)

對應 wiki_synthesis V3 (commit 63ac4c9 mira) 的 wiki-page tags raw:XXX
標記設計:每篇 raw 提到某 entity 時,create_wiki_page 都會寫一個新的
wiki-page (page_name 同名),tags 含 raw:{raw_id}。反查 wiki 對應 raw
不靠 KBDB graph 反向 index,純走客戶端 wiki-page list filter。

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-05-17 10:40:40 +08:00

468 lines
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TypeScript
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'use client';
export const runtime = 'edge';
// Mira Wiki 單篇頁
// SDD: polaris/mira/.agents/specs/mira-app/design.md §5.2 + §3.5.12
// 對應 task: 7C.2 + 7B.3g
// 路由:/mira/wiki/[pageName]
// 顯示:wiki-page parent → wiki-paragraph children (按 facet 分區) → triplet grandchildren
// 7B.3g 升級:樹狀渲染 + 折疊 + triplet 跨 wiki 連結化
import { useEffect, useMemo, useState, use } from 'react';
import Link from 'next/link';
import { MarkdownView } from '../../_shared/markdown';
import '../../mira.css';
const KBDB_BASE = 'https://kbdb.finally.click';
const API_BASE = process.env.NEXT_PUBLIC_API_BASE ?? 'https://cypher.arcrun.dev';
type Block = {
id: string;
page_name: string | null;
content: string;
type: string;
parent_id: string | null;
tags_json: string | null;
source: string | null;
created_at: number;
updated_at: number;
};
type FacetGroup = {
facet: string;
paragraphs: Array<{
block: Block;
triplets: Block[];
}>;
};
export default function WikiPagePage({
params,
}: {
params: Promise<{ pageName: string }>;
}) {
const { pageName } = use(params);
const decodedName = decodeURIComponent(pageName);
const [block, setBlock] = useState<Block | null>(null);
const [paragraphs, setParagraphs] = useState<Block[]>([]);
const [triplets, setTriplets] = useState<Block[]>([]);
const [entitySet, setEntitySet] = useState<Set<string>>(new Set());
// Backlinks:所有提到此 entity 的 raw noteV3 wiki_synthesis 在 wiki-page tags 寫 raw:XXX
// 對應 leo 2026-05-17 #2 反饋:「從這本書的條目應該反向連到那篇筆記去」
const [backlinkRaws, setBacklinkRaws] = useState<Block[]>([]);
const [collapsed, setCollapsed] = useState<Record<string, boolean>>({});
const [loading, setLoading] = useState(true);
const [error, setError] = useState<string | null>(null);
useEffect(() => {
let cancelled = false;
async function load() {
try {
const meRes = await fetch(`${API_BASE}/me`, { credentials: 'include' });
if (!meRes.ok) throw new Error('未登入');
const me = (await meRes.json()) as { api_key: string };
const headers = { Authorization: `Bearer ${me.api_key}` };
// 1. 抓 wiki-page parent block by page_name
const pageRes = await fetch(
`${KBDB_BASE}/blocks?page_name=${encodeURIComponent(decodedName)}&limit=1`,
{ headers },
);
if (!pageRes.ok) throw new Error(`KBDB ${pageRes.status}`);
const pageData = await pageRes.json();
const wikiPage: Block | undefined = pageData.blocks?.[0];
if (cancelled) return;
if (!wikiPage) {
setError(`找不到 wiki page${decodedName}`);
return;
}
setBlock(wikiPage);
// 2. 平行撈所有 wiki-paragraph + triplet + wiki-page(跨 wiki 連結用),客戶端 filter by parent_id
// KBDB 沒 parent_id server filter(兼 tag filter 還有 KI-3 bug),用 source+type 取再 client-side filter
const [paraRes, tripRes, pageListRes] = await Promise.all([
fetch(`${KBDB_BASE}/blocks?source=ai-canon-wiki&type=wiki-paragraph&limit=500`, { headers }),
fetch(`${KBDB_BASE}/blocks?source=ai-canon-wiki&type=triplet&limit=1000`, { headers }),
fetch(`${KBDB_BASE}/blocks?source=ai-canon-wiki&type=wiki-page&limit=500`, { headers }),
]);
if (!paraRes.ok || !tripRes.ok || !pageListRes.ok) {
throw new Error('KBDB tree fetch failed');
}
const paraData = await paraRes.json();
const tripData = await tripRes.json();
const pageListData = await pageListRes.json();
if (cancelled) return;
const allParas: Block[] = paraData.blocks ?? [];
const allTrips: Block[] = tripData.blocks ?? [];
const allPages: Block[] = pageListData.blocks ?? [];
// 該 wiki-page 的 paragraphs
const myParas = allParas
.filter((p) => p.parent_id === wikiPage.id)
.sort((a, b) => a.created_at - b.created_at);
setParagraphs(myParas);
// 該 wiki-page 範圍內所有 paragraph 的 triplets
const paraIdSet = new Set(myParas.map((p) => p.id));
const myTrips = allTrips.filter((t) => t.parent_id && paraIdSet.has(t.parent_id));
setTriplets(myTrips);
// 跨 wiki 連結用:所有 wiki-page 的 entity 名稱(content 就是 entity
// 額外把 page_name 也加入(page_name=wiki-{entity}
const eset = new Set<string>();
for (const p of allPages) {
if (p.content) eset.add(p.content.trim());
if (p.page_name?.startsWith('wiki-')) {
eset.add(p.page_name.slice(5).trim());
}
}
setEntitySet(eset);
// Backlinks:找此 entity 的所有 wiki-page (可能多次寫入),提取 raw:XXX tag → fetch raw blocks
if (wikiPage.type === 'wiki-page' && wikiPage.content) {
const sameEntity = allPages.filter((p) => p.content?.trim() === wikiPage.content?.trim());
const rawIds = new Set<string>();
for (const wp of sameEntity) {
try {
const tags = JSON.parse(wp.tags_json || '[]') as string[];
for (const t of tags) {
if (typeof t === 'string' && t.startsWith('raw:')) {
rawIds.add(t.slice(4));
}
}
} catch { /* skip */ }
}
if (rawIds.size > 0) {
// 一次撈 raw blockspage_name 是 unique 一次 query 一個
const rawBlocks: Block[] = [];
await Promise.all(
Array.from(rawIds).map(async (rawId) => {
try {
// KBDB GET /blocks/:id 直接 by id (走 list with block_id filter)
const r = await fetch(`${KBDB_BASE}/blocks/${rawId}`, { headers });
if (r.ok) {
const data = await r.json();
const b = data.blocks?.[0] ?? data;
if (b?.id) rawBlocks.push(b as Block);
}
} catch { /* skip */ }
}),
);
if (!cancelled) {
setBacklinkRaws(rawBlocks.sort((a, b) => b.updated_at - a.updated_at));
}
}
}
} catch (e: any) {
if (!cancelled) setError(e?.message ?? 'load failed');
} finally {
if (!cancelled) setLoading(false);
}
}
load();
return () => {
cancelled = true;
};
}, [decodedName]);
// 按 facet 分區
const facetGroups = useMemo<FacetGroup[]>(() => {
const groups: Map<string, Array<{ block: Block; triplets: Block[] }>> = new Map();
for (const p of paragraphs) {
const facet = extractFacet(p.tags_json) ?? '未分類';
const myTrips = triplets.filter((t) => t.parent_id === p.id);
if (!groups.has(facet)) groups.set(facet, []);
groups.get(facet)!.push({ block: p, triplets: myTrips });
}
return Array.from(groups.entries()).map(([facet, paragraphs]) => ({ facet, paragraphs }));
}, [paragraphs, triplets]);
const isWikiPage = block?.type === 'wiki-page';
// 標題:wiki-page 用 contententity 名稱),其他(index-entry/schema/log/...)用 page_name 剝 prefix
// 修 bug:原本一律用 block.content,但 index-entry 的 content 是整篇 markdown,會把整個 content render 成 h1
const entity = isWikiPage
? (block?.content?.trim() || decodedName.replace(/^wiki-/, ''))
: decodedName.replace(/^(wiki|index)-/, '');
function toggleCollapse(key: string) {
setCollapsed((c) => ({ ...c, [key]: !c[key] }));
}
return (
<main className="mira-app">
<div className="mira-content mira-wiki-detail">
<header style={{ padding: '24px 0 16px', borderBottom: '1px solid #2a2a2a' }}>
<Link
href="/mira/wiki"
style={{ color: '#888', fontSize: 14, textDecoration: 'none' }}
>
Wiki 索引
</Link>
<h1 style={{ fontSize: 28, fontWeight: 700, color: '#fff', margin: '8px 0 4px' }}>
{entity}
</h1>
{block && (
<div style={{ color: '#666', fontSize: 12 }}>
{block.type} updated {new Date(block.updated_at * 1000).toLocaleString('zh-TW')}
</div>
)}
</header>
{loading && <div style={{ padding: 24, color: '#666' }}>載入中⋯</div>}
{error && <div style={{ padding: 24, color: '#e66' }}>{error}</div>}
{block && !loading && !error && (
<>
{/* wiki-page tree view */}
{isWikiPage && facetGroups.length > 0 && (
<article style={{ padding: '8px 0 24px' }}>
{facetGroups.map((group) => (
<FacetSection
key={group.facet}
group={group}
entitySet={entitySet}
collapsed={collapsed}
toggleCollapse={toggleCollapse}
/>
))}
</article>
)}
{/* wiki-page 但沒 childrenfallback render content */}
{isWikiPage && facetGroups.length === 0 && (
<article style={{ padding: '8px 0 24px', color: '#888' }}>
<em>尚無段落(wiki_synthesis 還沒跑出 children</em>
<MarkdownView text={block.content} />
</article>
)}
{/* 非 wiki-pageschema / index / log / index-entry 等):直接 render content */}
{!isWikiPage && (
<article style={{ padding: '20px 0' }}>
<MarkdownView text={block.content} />
</article>
)}
{/* Backlinks:提到此 entity 的 raw notes */}
{isWikiPage && backlinkRaws.length > 0 && (
<section
style={{
margin: '24px 0 16px',
padding: '12px 14px',
borderLeft: '3px solid #4a3a2a',
background: 'rgba(80, 60, 40, 0.08)',
}}
>
<h3 style={{ margin: '0 0 8px', fontSize: 14, color: '#aab', fontWeight: 600 }}>
📎 提到此 entity 的筆記 ({backlinkRaws.length})
</h3>
<ul style={{ margin: 0, paddingLeft: 18, fontSize: 13, lineHeight: 1.6 }}>
{backlinkRaws.map((raw) => {
const preview = (raw.content || '').replace(/\n/g, ' ').slice(0, 100);
const href = `/mira/feed#page=${encodeURIComponent(raw.page_name || raw.id)}`;
return (
<li key={raw.id} style={{ marginBottom: 4 }}>
<a
href={href}
style={{ color: '#9ab', textDecoration: 'none' }}
title={raw.content || ''}
>
{preview}
{(raw.content || '').length > 100 && '…'}
</a>
</li>
);
})}
</ul>
</section>
)}
<footer
style={{
padding: '20px 0',
borderTop: '1px solid #1f1f1f',
color: '#555',
fontSize: 12,
}}
>
<div>id: <span style={{ fontFamily: 'monospace' }}>{block.id}</span></div>
<div>type: {block.type}</div>
{block.source && <div>source: {block.source}</div>}
{block.parent_id && (
<div>
parent: <span style={{ fontFamily: 'monospace' }}>{block.parent_id}</span>
</div>
)}
{paragraphs.length > 0 && (
<div>
{paragraphs.length} paragraph(s) {triplets.length} triplet(s)
</div>
)}
</footer>
</>
)}
</div>
</main>
);
}
function FacetSection({
group,
entitySet,
collapsed,
toggleCollapse,
}: {
group: FacetGroup;
entitySet: Set<string>;
collapsed: Record<string, boolean>;
toggleCollapse: (key: string) => void;
}) {
const key = `facet:${group.facet}`;
const isCollapsed = collapsed[key] ?? false; // 預設展開(leo 看一篇 wiki 時要看內容)
return (
<section style={{ margin: '16px 0', borderLeft: '3px solid #2a3a4a', paddingLeft: 14 }}>
<button
onClick={() => toggleCollapse(key)}
style={{
background: 'transparent',
border: 'none',
color: '#aab',
fontSize: 16,
fontWeight: 600,
padding: '4px 0',
cursor: 'pointer',
textAlign: 'left',
width: '100%',
}}
>
{isCollapsed ? '▸' : '▾'} {group.facet}
<span style={{ color: '#555', fontWeight: 400, fontSize: 13, marginLeft: 8 }}>
({group.paragraphs.length})
</span>
</button>
{!isCollapsed &&
group.paragraphs.map((p) => (
<ParagraphBlock
key={p.block.id}
block={p.block}
triplets={p.triplets}
entitySet={entitySet}
collapsed={collapsed}
toggleCollapse={toggleCollapse}
/>
))}
</section>
);
}
function ParagraphBlock({
block,
triplets,
entitySet,
collapsed,
toggleCollapse,
}: {
block: Block;
triplets: Block[];
entitySet: Set<string>;
collapsed: Record<string, boolean>;
toggleCollapse: (key: string) => void;
}) {
const tripKey = `trip:${block.id}`;
const tripsCollapsed = collapsed[tripKey] ?? true; // triplets 預設折疊
return (
<div style={{ margin: '12px 0 16px', paddingLeft: 4 }}>
<div style={{ color: '#ddd', lineHeight: 1.7 }}>
<MarkdownView text={block.content} />
</div>
{triplets.length > 0 && (
<div style={{ marginTop: 8 }}>
<button
onClick={() => toggleCollapse(tripKey)}
style={{
background: 'transparent',
border: 'none',
color: '#666',
fontSize: 12,
padding: '2px 0',
cursor: 'pointer',
}}
>
{tripsCollapsed ? '▸' : '▾'} 關係 ({triplets.length})
</button>
{!tripsCollapsed && (
<ul style={{ listStyle: 'none', padding: '4px 0 0 12px', margin: 0 }}>
{triplets.map((t) => (
<li
key={t.id}
style={{
color: '#888',
fontSize: 13,
padding: '2px 0',
fontFamily: 'monospace',
}}
>
<TripletRender content={t.content} entitySet={entitySet} />
</li>
))}
</ul>
)}
</div>
)}
</div>
);
}
/** Render triplet "A >> 關係 >> B" with A/B linkified if they match an existing wiki entity */
function TripletRender({
content,
entitySet,
}: {
content: string;
entitySet: Set<string>;
}) {
// 切「>>」分 A / 關係 / B
const parts = content.split('>>').map((s) => s.trim());
if (parts.length !== 3) {
return <>{content}</>;
}
const [a, rel, b] = parts;
return (
<>
<EntityLink name={a} entitySet={entitySet} />{' '}
<span style={{ color: '#666' }}>&gt;&gt; {rel} &gt;&gt;</span>{' '}
<EntityLink name={b} entitySet={entitySet} />
</>
);
}
function EntityLink({ name, entitySet }: { name: string; entitySet: Set<string> }) {
if (entitySet.has(name)) {
return (
<Link
href={`/mira/wiki/${encodeURIComponent(`wiki-${name}`)}`}
style={{ color: '#88c0ff', textDecoration: 'none' }}
>
{name}
</Link>
);
}
return <span style={{ color: '#ccc' }}>{name}</span>;
}
function extractFacet(tags_json: string | null | undefined): string | null {
if (!tags_json) return null;
try {
const tags = JSON.parse(tags_json) as string[];
const facetTag = tags.find((t) => t.startsWith('facet:'));
return facetTag ? facetTag.slice(6) : null;
} catch {
return null;
}
}