nandi.uk
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feat: embed full edge data in strata connections, eliminate D1 lookups
Lexicon: connections field now holds objects {uri, source, target,
connectionType, note} instead of bare AT URIs. The graph renders
straight from the record — no chunked D1 queries needed.
Backfilled both existing records via PDS putRecord.
👾 Generated with [Letta Code](https://letta.com)
Co-Authored-By: Letta Code <noreply@letta.com>
author
nandi
co-author
Letta Code
date
(May 14, 2026, 3:29 AM UTC)
commit
587b78f3
587b78f3fd81ab0ab6df74b52cbf3115457fc53c
parent
2538fdfb
2538fdfb3300e8d1091a3784a026ce764e875d35
+39
-36
+27
-3
lexicons/org/latha/strata/strata.json
+27
-3
lexicons/org/latha/strata/strata.json
···
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"type": "array",
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"maxLength": 500,
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"items": {
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"type": "string",
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"format": "at-uri"
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"type": "object",
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"required": ["uri", "source", "target"],
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"properties": {
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"uri": {
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"type": "string",
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"format": "at-uri",
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"description": "AT URI of the connection record"
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},
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"source": {
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"type": "string",
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"description": "Source vertex URI"
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},
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"target": {
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"type": "string",
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"description": "Target vertex URI"
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},
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"connectionType": {
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"type": "string",
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"description": "Type of connection (relates, supports, contradicts, etc.)"
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},
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"note": {
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"type": "string",
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"maxGraphemes": 500,
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"description": "Optional note about the connection"
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}
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}
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},
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"description": "AT URIs of the network.cosmik.connection records that form this island. The island's edges — the stigmergic trail itself."
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"description": "The island's edges — connection records with their graph structure embedded. No lookups needed to render."
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},
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"analysis": {
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"type": "ref",
+12
-33
src/worker.ts
+12
-33
src/worker.ts
···
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const lexminHash = await crypto.subtle.digest("SHA-256", new TextEncoder().encode(lexmin));
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const id = Array.from(new Uint8Array(lexminHash)).map(b => b.toString(16).padStart(2, "0")).join("").slice(0, 16);
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// Reconstruct island from stored connections (chunked for D1)
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const connectionUris: string[] = rec.connections || [];
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let vertices: string[] = [];
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let edges: any[] = [];
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let vertexMeta: Record<string, any> = {};
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// Build graph directly from embedded connections — no D1 lookups needed
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const connections: any[] = rec.connections || [];
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const vertexSet = new Set<string>();
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const edges: any[] = [];
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if (connectionUris.length > 0) {
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const CHUNK_SIZE = 50;
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const vertexSet = new Set<string>();
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for (let i = 0; i < connectionUris.length; i += CHUNK_SIZE) {
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const chunk = connectionUris.slice(i, i + CHUNK_SIZE);
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const placeholders = chunk.map(() => "?").join(",");
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const connRows = await db
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.prepare(`SELECT r.record, r.did, r.rkey, i.handle FROM records_connection r LEFT JOIN identities i ON r.did = i.did WHERE r.uri IN (${placeholders})`)
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.bind(...chunk)
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.all<{ record: string; did: string; rkey: string; handle: string | null }>();
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for (const cr of connRows.results || []) {
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try {
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const val = JSON.parse(cr.record);
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vertexSet.add(val.source);
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vertexSet.add(val.target);
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edges.push({
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uri: `at://${cr.did}/network.cosmik.connection/${cr.rkey}`,
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did: cr.did, rkey: cr.rkey,
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source: val.source, target: val.target,
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connectionType: val.connectionType || "relates",
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note: val.note || "", handle: cr.handle,
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});
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} catch {}
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}
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for (const conn of connections) {
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if (typeof conn === "object" && conn.source && conn.target) {
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vertexSet.add(conn.source);
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vertexSet.add(conn.target);
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edges.push(conn);
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}
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vertices = [...vertexSet].sort();
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vertexMeta = Object.fromEntries(await resolveVertexMeta(db, vertices));
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}
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const vertices = [...vertexSet].sort();
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const vertexMeta = Object.fromEntries(await resolveVertexMeta(db, vertices));
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const analysis = rec.analysis || {};
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islands.push({