Ben Stull
48 lines
2.0 KiB
TypeScript
48 lines
2.0 KiB
TypeScript
/**
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* proposalModel — pure helpers over the F4 `proposals[]` section (spec §6.3,
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* INV-13: pending-only). Mirrors threadModel.ts: vscode-free mutations against
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* an Artifact, used inside CoauthorStore.update() by ProposalController.
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* The diff body is PRESENTATION ONLY — the truth is fingerprint.text →
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* replacement (INV-11); a whole-range -/+ rendering, not an LCS diff (§6.7).
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*/
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import { newId, type Artifact, type Fingerprint, type Proposal, type Provenance } from "./model";
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export function addProposal(
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artifact: Artifact,
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fp: Fingerprint,
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replacement: string,
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author: Provenance,
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opts?: { turnId?: string; instruction?: string },
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): { proposalId: string; anchorId: string } {
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const anchorId = newId("a");
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const proposalId = newId("pr");
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artifact.anchors[anchorId] = { fingerprint: fp };
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artifact.proposals.push({
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id: proposalId,
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anchorId,
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replacement,
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author,
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createdAt: new Date().toISOString(),
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...(opts?.turnId !== undefined ? { turnId: opts.turnId } : {}),
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...(opts?.instruction !== undefined ? { instruction: opts.instruction } : {}),
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});
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return { proposalId, anchorId };
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}
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/** Remove a pending proposal (accept and reject both end here — INV-13). */
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export function removeProposal(artifact: Artifact, proposalId: string): boolean {
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const before = artifact.proposals.length;
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artifact.proposals = artifact.proposals.filter((p) => p.id !== proposalId);
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return artifact.proposals.length < before;
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}
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/** Markdown comment body: instruction header + fenced whole-range diff. */
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export function proposalBody(targetText: string, p: Proposal): string {
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const header = p.instruction ? `**Claude proposes** — _${p.instruction}_` : "**Claude proposes**";
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const diffLines = [
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...targetText.split("\n").map((l) => `- ${l}`),
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...p.replacement.split("\n").map((l) => `+ ${l}`),
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].join("\n");
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return `${header}\n\n\`\`\`diff\n${diffLines}\n\`\`\`\n\n✓ Accept applies this replacement · ✗ Reject discards it`;
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}
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