mirror of
https://github.com/badlogic/pi-mono.git
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20d86c3657
p2 rewritten by the Chord v2 authoring rules (decision "App authoring rules confirmed by the p2 audit"), in four parts merged together: - core: session lifecycle (relocate, clone, fork, archive) and search rebuild are persisted jobs on a new server store; Sessions v6 with client-chosen ids and visible operations; Retry answers with the worker's real outcome; workers push branch, subagent and status state to the server; roots take the method's ctx. - services: models, envs, ports, login, mcp, logs, sharing and voice follow external state (self.follow, followNative) instead of copy loops; methods answer after their state commits; presence from host.references. - chat: chat mode, artifacts and prompt resources follow Durable and native state; shell commands are Chord jobs (shellId is the requestId); status pushed before send and stop answer; race-free draft claim. - ui: optimistic updates on web (useOptimistic) and terminal (TuiScope.optimistic, extended in Chord with a reducer and a pending flag), pending states for long work, visible rollback, load waterfalls removed; merged with the one composer and immediate first send (ccff9876e) and the folder + button (5a31a6d5f). docs/optimistic-ui.md describes the pattern.
61 lines
2.3 KiB
TypeScript
61 lines
2.3 KiB
TypeScript
import { num, obj } from "@earendil-works/pi-schema";
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import { authorIdOf, canSend, defineFacet, defineState, forbidden, isGuest, isOwner } from "@p2/app/v1";
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import { DraftStore, Drafts, DraftsByKeySchema, draftKey } from "./contract.ts";
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/** Restored drafts by `<conversation>:<author id>`, and the next draft's ID (in memory, for the worker's lifetime). */
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const Store = defineState("p2.drafts", {
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schema: obj({ drafts: DraftsByKeySchema, next: num() }),
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version: 1,
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initial: () => ({ drafts: {}, next: 1 }),
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});
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export default defineFacet((host) => {
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host.serve(DraftStore, (_params, self) => {
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const store = self.state(Store);
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return {
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drafts: self.derive([store], ([value]) => value.drafts),
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add: async ({ conversation, items }, ctx) => {
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if (!items.length) return null;
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await store.change((draft) => {
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const first = draft.next;
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draft.next += items.length;
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items.forEach(({ author, text }, index) => {
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const key = draftKey(conversation, author.id);
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draft.drafts[key] = [...(draft.drafts[key] ?? []), { id: first + index, text }];
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});
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}, ctx);
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return null;
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},
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claim: async ({ conversation, authorId, ids }, ctx) => {
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const key = draftKey(conversation, authorId);
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const wanted = new Set(ids);
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// Read and removed in one change: two tabs claiming at once get each draft once.
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const texts = await store.change((draft) => {
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const items = draft.drafts[key] ?? [];
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const claimed = items.filter((item) => wanted.has(item.id)).map((item) => item.text);
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if (!claimed.length) return [];
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const rest = items.filter((item) => !wanted.has(item.id));
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if (rest.length) draft.drafts[key] = rest;
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else delete draft.drafts[key];
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return claimed;
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}, ctx);
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return { texts };
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},
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};
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});
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host.serve(Drafts, ({ session, conversation }, principal, self) => {
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if (!canSend(principal, session)) throw forbidden("participants only");
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if (!isOwner(principal) && !isGuest(principal)) throw forbidden("people only");
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const authorId = authorIdOf(principal);
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const store = self.get(DraftStore, {});
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const key = draftKey(conversation, authorId);
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return {
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variant: "author",
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members: {
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drafts: self.derive([store.drafts], ([drafts]) => drafts[key] ?? []),
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claim: ({ ids }, ctx) => store.claim({ conversation, authorId, ids }, ctx),
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},
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};
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});
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});
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