refactor(app): introduce attachment storage layer and draft lifecycle management

Replace inline data-URL image handling with a persistent attachment storage service, add draft lifecycle states (active/abandoned/sent) with generation tracking, and update fetchAgent to return project placement alongside agent snapshots.
2026-02-22 16:22:21 +07:00
parent 2652bdda2e
commit 0c710b09f5
55 changed files with 2381 additions and 350 deletions
@@ -0,0 +1,125 @@
+import type { AttachmentMetadata } from "@/attachments/types";
+import { getAttachmentStore } from "@/attachments/store";
+
+export async function persistAttachmentFromBlob(input: {
+  blob: Blob;
+  mimeType?: string;
+  fileName?: string | null;
+  id?: string;
+}): Promise<AttachmentMetadata> {
+  const store = await getAttachmentStore();
+  return await store.save({
+    id: input.id,
+    mimeType: input.mimeType,
+    fileName: input.fileName,
+    source: { kind: "blob", blob: input.blob },
+  });
+}
+
+export async function persistAttachmentFromDataUrl(input: {
+  dataUrl: string;
+  mimeType?: string;
+  fileName?: string | null;
+  id?: string;
+}): Promise<AttachmentMetadata> {
+  const store = await getAttachmentStore();
+  return await store.save({
+    id: input.id,
+    mimeType: input.mimeType,
+    fileName: input.fileName,
+    source: { kind: "data_url", dataUrl: input.dataUrl },
+  });
+}
+
+export async function persistAttachmentFromFileUri(input: {
+  uri: string;
+  mimeType?: string;
+  fileName?: string | null;
+  id?: string;
+}): Promise<AttachmentMetadata> {
+  const store = await getAttachmentStore();
+  return await store.save({
+    id: input.id,
+    mimeType: input.mimeType,
+    fileName: input.fileName,
+    source: { kind: "file_uri", uri: input.uri },
+  });
+}
+
+export async function encodeAttachmentsForSend(
+  attachments: readonly AttachmentMetadata[] | undefined
+): Promise<Array<{ data: string; mimeType: string }> | undefined> {
+  if (!attachments || attachments.length === 0) {
+    return undefined;
+  }
+
+  const store = await getAttachmentStore();
+  const encoded = await Promise.all(
+    attachments.map(async (attachment) => {
+      try {
+        const data = await store.encodeBase64({ attachment });
+        return {
+          data,
+          mimeType: attachment.mimeType,
+        };
+      } catch (error) {
+        console.error("[attachments] Failed to encode attachment for send", {
+          id: attachment.id,
+          error,
+        });
+        return null;
+      }
+    })
+  );
+
+  const valid = encoded.filter(
+    (entry): entry is { data: string; mimeType: string } => entry !== null
+  );
+  return valid.length > 0 ? valid : undefined;
+}
+
+export async function resolveAttachmentPreviewUrl(
+  attachment: AttachmentMetadata
+): Promise<string> {
+  const store = await getAttachmentStore();
+  return await store.resolvePreviewUrl({ attachment });
+}
+
+export async function releaseAttachmentPreviewUrl(input: {
+  attachment: AttachmentMetadata;
+  url: string;
+}): Promise<void> {
+  const store = await getAttachmentStore();
+  if (!store.releasePreviewUrl) {
+    return;
+  }
+  await store.releasePreviewUrl({ attachment: input.attachment, url: input.url });
+}
+
+export async function deleteAttachments(
+  attachments: readonly AttachmentMetadata[] | undefined
+): Promise<void> {
+  if (!attachments || attachments.length === 0) {
+    return;
+  }
+  const store = await getAttachmentStore();
+  await Promise.all(
+    attachments.map(async (attachment) => {
+      try {
+        await store.delete({ attachment });
+      } catch (error) {
+        console.warn("[attachments] Failed to delete attachment", {
+          id: attachment.id,
+          error,
+        });
+      }
+    })
+  );
+}
+
+export async function garbageCollectAttachments(input: {
+  referencedIds: ReadonlySet<string>;
+}): Promise<void> {
+  const store = await getAttachmentStore();
+  await store.garbageCollect({ referencedIds: input.referencedIds });
+}