Function editArtifact

packages/hosts/mcp/src/tool-server.ts:1957–1989

(input: {
      readonly artifactId: string;
      readonly edits: readonly ArtifactEdit[];
      readonly title?: string;
      readonly description?: string;
      readonly connections?: Readonly<Record<string, string>>;
    })

     * back here makes the retry immediate.
     */
    const editArtifact = (input: {
      readonly artifactId: string;
      readonly edits: readonly ArtifactEdit[];
      readonly title?: string;
      readonly description?: string;
      readonly connections?: Readonly<Record<string, string>>;
    }): Effect.Effect<McpToolResult, unknown> =>
      Effect.gen(function* () {
        // Same probe-proof refusal as create-artifact's update arm.
        const existing = yield* loadArtifact(input.artifactId);
        if (!existing) return actionArtifactUnavailableResult();

        const applied = applyArtifactEdits(existing.code, input.edits);
        if (!applied.ok) return editRejectedResult(applied.message, existing.code);

        yield* Effect.annotateCurrentSpan({
          "mcp.artifact.edit_count": input.edits.length,
        });
        return yield* validateRenderAndSave({
          code: applied.code,
          title: input.title ?? existing.title,
          description: input.description ?? existing.description ?? undefined,
          connections: input.connections,
          existing,
        });
      }).pipe(
        Effect.withSpan("mcp.host.tool.edit_artifact", {
          attributes: {
            "mcp.tool.name": "edit-artifact",
            "mcp.artifact.id": input.artifactId,
          },
        }),
      );

    const listArtifacts = (): Effect.Effect<McpToolResult, unknown> =>
      Effect.gen(function* () {