import { ProjectId, ThreadId } from "@t3tools/contracts";import { afterEach, beforeEach, describe, expect, it, vi } from "vitest"; import {  type ComposerImageAttachment,  createDebouncedStorage,  useComposerDraftStore,} from "./composerDraftStore";import {  INLINE_TERMINAL_CONTEXT_PLACEHOLDER,  insertInlineTerminalContextPlaceholder,  type TerminalContextDraft,} from "./lib/terminalContext"; function makeImage(input: {  id: string;  previewUrl: string;  name?: string;  mimeType?: string;  sizeBytes?: number;  lastModified?: number;}): ComposerImageAttachment {  const name = input.name ?? "image.png";  const mimeType = input.mimeType ?? "image/png";  const sizeBytes = input.sizeBytes ?? 4;  const lastModified = input.lastModified ?? 1_700_000_000_000;  const file = new File([new Uint8Array(sizeBytes).fill(1)], name, {    type: mimeType,    lastModified,  });  return {    type: "image",    id: input.id,    name,    mimeType,    sizeBytes: file.size,    previewUrl: input.previewUrl,    file,  };} function makeTerminalContext(input: {  id: string;  text?: string;  terminalId?: string;  terminalLabel?: string;  lineStart?: number;  lineEnd?: number;}): TerminalContextDraft {  return {    id: input.id,    threadId: ThreadId.makeUnsafe("thread-dedupe"),    terminalId: input.terminalId ?? "default",    terminalLabel: input.terminalLabel ?? "Terminal 1",    lineStart: input.lineStart ?? 4,    lineEnd: input.lineEnd ?? 5,    text: input.text ?? "git status\nOn branch main",    createdAt: "2026-03-13T12:00:00.000Z",  };} describe("composerDraftStore addImages", () => {  const threadId = ThreadId.makeUnsafe("thread-dedupe");  let originalRevokeObjectUrl: typeof URL.revokeObjectURL;  let revokeSpy: ReturnType<typeof vi.fn<(url: string) => void>>;   beforeEach(() => {    useComposerDraftStore.setState({      draftsByThreadId: {},      draftThreadsByThreadId: {},      projectDraftThreadIdByProjectId: {},    });    originalRevokeObjectUrl = URL.revokeObjectURL;    revokeSpy = vi.fn();    URL.revokeObjectURL = revokeSpy;  });   afterEach(() => {    URL.revokeObjectURL = originalRevokeObjectUrl;  });   it("deduplicates identical images in one batch by file signature", () => {    const first = makeImage({      id: "img-1",      previewUrl: "blob:first",      name: "same.png",      mimeType: "image/png",      sizeBytes: 12,      lastModified: 12345,    });    const duplicate = makeImage({      id: "img-2",      previewUrl: "blob:duplicate",      name: "same.png",      mimeType: "image/png",      sizeBytes: 12,      lastModified: 12345,    });     useComposerDraftStore.getState().addImages(threadId, [first, duplicate]);     const draft = useComposerDraftStore.getState().draftsByThreadId[threadId];    expect(draft?.images.map((image) => image.id)).toEqual(["img-1"]);    expect(revokeSpy).toHaveBeenCalledWith("blob:duplicate");  });   it("deduplicates against existing images across calls by file signature", () => {    const first = makeImage({      id: "img-a",      previewUrl: "blob:a",      name: "same.png",      mimeType: "image/png",      sizeBytes: 9,      lastModified: 777,    });    const duplicateLater = makeImage({      id: "img-b",      previewUrl: "blob:b",      name: "same.png",      mimeType: "image/png",      sizeBytes: 9,      lastModified: 999,    });     useComposerDraftStore.getState().addImage(threadId, first);    useComposerDraftStore.getState().addImage(threadId, duplicateLater);     const draft = useComposerDraftStore.getState().draftsByThreadId[threadId];    expect(draft?.images.map((image) => image.id)).toEqual(["img-a"]);    expect(revokeSpy).toHaveBeenCalledWith("blob:b");  });   it("does not revoke blob URLs that are still used by an accepted duplicate image", () => {    const first = makeImage({      id: "img-shared",      previewUrl: "blob:shared",    });    const duplicateSameUrl = makeImage({      id: "img-shared",      previewUrl: "blob:shared",    });     useComposerDraftStore.getState().addImages(threadId, [first, duplicateSameUrl]);     const draft = useComposerDraftStore.getState().draftsByThreadId[threadId];    expect(draft?.images.map((image) => image.id)).toEqual(["img-shared"]);    expect(revokeSpy).not.toHaveBeenCalledWith("blob:shared");  });}); describe("composerDraftStore clearComposerContent", () => {  const threadId = ThreadId.makeUnsafe("thread-clear");  let originalRevokeObjectUrl: typeof URL.revokeObjectURL;  let revokeSpy: ReturnType<typeof vi.fn<(url: string) => void>>;   beforeEach(() => {    useComposerDraftStore.setState({      draftsByThreadId: {},      draftThreadsByThreadId: {},      projectDraftThreadIdByProjectId: {},    });    originalRevokeObjectUrl = URL.revokeObjectURL;    revokeSpy = vi.fn();    URL.revokeObjectURL = revokeSpy;  });   afterEach(() => {    URL.revokeObjectURL = originalRevokeObjectUrl;  });   it("does not revoke blob preview URLs when clearing composer content", () => {    const first = makeImage({      id: "img-optimistic",      previewUrl: "blob:optimistic",    });    useComposerDraftStore.getState().addImage(threadId, first);     useComposerDraftStore.getState().clearComposerContent(threadId);     const draft = useComposerDraftStore.getState().draftsByThreadId[threadId];    expect(draft).toBeUndefined();    expect(revokeSpy).not.toHaveBeenCalledWith("blob:optimistic");  });}); describe("composerDraftStore terminal contexts", () => {  const threadId = ThreadId.makeUnsafe("thread-dedupe");   beforeEach(() => {    useComposerDraftStore.setState({      draftsByThreadId: {},      draftThreadsByThreadId: {},      projectDraftThreadIdByProjectId: {},    });  });   it("deduplicates identical terminal contexts by selection signature", () => {    const first = makeTerminalContext({ id: "ctx-1" });    const duplicate = makeTerminalContext({ id: "ctx-2" });     useComposerDraftStore.getState().addTerminalContexts(threadId, [first, duplicate]);     const draft = useComposerDraftStore.getState().draftsByThreadId[threadId];    expect(draft?.terminalContexts.map((context) => context.id)).toEqual(["ctx-1"]);  });   it("clears terminal contexts when clearing composer content", () => {    useComposerDraftStore      .getState()      .addTerminalContext(threadId, makeTerminalContext({ id: "ctx-1" }));     useComposerDraftStore.getState().clearComposerContent(threadId);     expect(useComposerDraftStore.getState().draftsByThreadId[threadId]).toBeUndefined();  });   it("inserts terminal contexts at the requested inline prompt position", () => {    const firstInsertion = insertInlineTerminalContextPlaceholder("alpha beta", 6);    const secondInsertion = insertInlineTerminalContextPlaceholder(firstInsertion.prompt, 0);     expect(      useComposerDraftStore        .getState()        .insertTerminalContext(          threadId,          firstInsertion.prompt,          makeTerminalContext({ id: "ctx-1" }),          firstInsertion.contextIndex,        ),    ).toBe(true);    expect(      useComposerDraftStore.getState().insertTerminalContext(        threadId,        secondInsertion.prompt,        makeTerminalContext({          id: "ctx-2",          terminalLabel: "Terminal 2",          lineStart: 9,          lineEnd: 10,        }),        secondInsertion.contextIndex,      ),    ).toBe(true);     const draft = useComposerDraftStore.getState().draftsByThreadId[threadId];    expect(draft?.prompt).toBe(      `${INLINE_TERMINAL_CONTEXT_PLACEHOLDER} alpha ${INLINE_TERMINAL_CONTEXT_PLACEHOLDER} beta`,    );    expect(draft?.terminalContexts.map((context) => context.id)).toEqual(["ctx-2", "ctx-1"]);  });   it("omits terminal context text from persisted drafts", () => {    useComposerDraftStore      .getState()      .addTerminalContext(threadId, makeTerminalContext({ id: "ctx-persist" }));     const persistApi = useComposerDraftStore.persist as unknown as {      getOptions: () => {        partialize: (state: ReturnType<typeof useComposerDraftStore.getState>) => unknown;      };    };    const persistedState = persistApi.getOptions().partialize(useComposerDraftStore.getState()) as {      draftsByThreadId?: Record<string, { terminalContexts?: Array<Record<string, unknown>> }>;    };     expect(      persistedState.draftsByThreadId?.[threadId]?.terminalContexts?.[0],      "Expected terminal context metadata to be persisted.",    ).toMatchObject({      id: "ctx-persist",      terminalId: "default",      terminalLabel: "Terminal 1",      lineStart: 4,      lineEnd: 5,    });    expect(      persistedState.draftsByThreadId?.[threadId]?.terminalContexts?.[0]?.text,    ).toBeUndefined();  });   it("hydrates persisted terminal contexts without in-memory snapshot text", () => {    const persistApi = useComposerDraftStore.persist as unknown as {      getOptions: () => {        merge: (          persistedState: unknown,          currentState: ReturnType<typeof useComposerDraftStore.getState>,        ) => ReturnType<typeof useComposerDraftStore.getState>;      };    };    const mergedState = persistApi.getOptions().merge(      {        draftsByThreadId: {          [threadId]: {            prompt: INLINE_TERMINAL_CONTEXT_PLACEHOLDER,            attachments: [],            terminalContexts: [              {                id: "ctx-rehydrated",                threadId,                createdAt: "2026-03-13T12:00:00.000Z",                terminalId: "default",                terminalLabel: "Terminal 1",                lineStart: 4,                lineEnd: 5,              },            ],          },        },        draftThreadsByThreadId: {},        projectDraftThreadIdByProjectId: {},      },      useComposerDraftStore.getInitialState(),    );     expect(mergedState.draftsByThreadId[threadId]?.terminalContexts).toMatchObject([      {        id: "ctx-rehydrated",        terminalId: "default",        terminalLabel: "Terminal 1",        lineStart: 4,        lineEnd: 5,        text: "",      },    ]);  });}); describe("composerDraftStore project draft thread mapping", () => {  const projectId = ProjectId.makeUnsafe("project-a");  const otherProjectId = ProjectId.makeUnsafe("project-b");  const threadId = ThreadId.makeUnsafe("thread-a");  const otherThreadId = ThreadId.makeUnsafe("thread-b");   beforeEach(() => {    useComposerDraftStore.setState({      draftsByThreadId: {},      draftThreadsByThreadId: {},      projectDraftThreadIdByProjectId: {},    });  });   it("stores and reads project draft thread ids via actions", () => {    const store = useComposerDraftStore.getState();    expect(store.getDraftThreadByProjectId(projectId)).toBeNull();    expect(store.getDraftThread(threadId)).toBeNull();     store.setProjectDraftThreadId(projectId, threadId, {      branch: "feature/test",      worktreePath: "/tmp/worktree-test",      createdAt: "2026-01-01T00:00:00.000Z",    });    expect(useComposerDraftStore.getState().getDraftThreadByProjectId(projectId)).toEqual({      threadId,      projectId,      branch: "feature/test",      worktreePath: "/tmp/worktree-test",      envMode: "worktree",      runtimeMode: "full-access",      interactionMode: "default",      createdAt: "2026-01-01T00:00:00.000Z",    });    expect(useComposerDraftStore.getState().getDraftThread(threadId)).toEqual({      projectId,      branch: "feature/test",      worktreePath: "/tmp/worktree-test",      envMode: "worktree",      runtimeMode: "full-access",      interactionMode: "default",      createdAt: "2026-01-01T00:00:00.000Z",    });  });   it("clears only matching project draft mapping entries", () => {    const store = useComposerDraftStore.getState();    store.setProjectDraftThreadId(projectId, threadId);    store.setPrompt(threadId, "hello");     store.clearProjectDraftThreadById(projectId, otherThreadId);    expect(useComposerDraftStore.getState().getDraftThreadByProjectId(projectId)?.threadId).toBe(      threadId,    );     store.clearProjectDraftThreadById(projectId, threadId);    expect(useComposerDraftStore.getState().getDraftThreadByProjectId(projectId)).toBeNull();    expect(useComposerDraftStore.getState().getDraftThread(threadId)).toBeNull();    expect(useComposerDraftStore.getState().draftsByThreadId[threadId]).toBeUndefined();  });   it("clears project draft mapping by project id", () => {    const store = useComposerDraftStore.getState();    store.setProjectDraftThreadId(projectId, threadId);    store.setPrompt(threadId, "hello");    store.clearProjectDraftThreadId(projectId);    expect(useComposerDraftStore.getState().getDraftThreadByProjectId(projectId)).toBeNull();    expect(useComposerDraftStore.getState().getDraftThread(threadId)).toBeNull();    expect(useComposerDraftStore.getState().draftsByThreadId[threadId]).toBeUndefined();  });   it("clears orphaned composer drafts when remapping a project to a new draft thread", () => {    const store = useComposerDraftStore.getState();    store.setProjectDraftThreadId(projectId, threadId);    store.setPrompt(threadId, "orphan me");     store.setProjectDraftThreadId(projectId, otherThreadId);     expect(useComposerDraftStore.getState().getDraftThreadByProjectId(projectId)?.threadId).toBe(      otherThreadId,    );    expect(useComposerDraftStore.getState().getDraftThread(threadId)).toBeNull();    expect(useComposerDraftStore.getState().draftsByThreadId[threadId]).toBeUndefined();  });   it("keeps composer drafts when the thread is still mapped by another project", () => {    const store = useComposerDraftStore.getState();    store.setProjectDraftThreadId(projectId, threadId);    store.setProjectDraftThreadId(otherProjectId, threadId);    store.setPrompt(threadId, "keep me");     store.clearProjectDraftThreadId(projectId);     expect(useComposerDraftStore.getState().getDraftThreadByProjectId(projectId)).toBeNull();    expect(      useComposerDraftStore.getState().getDraftThreadByProjectId(otherProjectId)?.threadId,    ).toBe(threadId);    expect(useComposerDraftStore.getState().draftsByThreadId[threadId]?.prompt).toBe("keep me");  });   it("clears draft registration independently", () => {    const store = useComposerDraftStore.getState();    store.setProjectDraftThreadId(projectId, threadId);    store.clearDraftThread(threadId);    expect(useComposerDraftStore.getState().getDraftThreadByProjectId(projectId)).toBeNull();    expect(useComposerDraftStore.getState().getDraftThread(threadId)).toBeNull();  });   it("updates branch context on an existing draft thread", () => {    const store = useComposerDraftStore.getState();    store.setProjectDraftThreadId(projectId, threadId, {      branch: "main",      worktreePath: null,    });    store.setDraftThreadContext(threadId, {      branch: "feature/next",      worktreePath: "/tmp/feature-next",    });    expect(useComposerDraftStore.getState().getDraftThreadByProjectId(projectId)?.threadId).toBe(      threadId,    );    expect(useComposerDraftStore.getState().getDraftThread(threadId)).toMatchObject({      projectId,      branch: "feature/next",      worktreePath: "/tmp/feature-next",      envMode: "worktree",    });  });   it("preserves existing branch and worktree when setProjectDraftThreadId receives undefined", () => {    const store = useComposerDraftStore.getState();    store.setProjectDraftThreadId(projectId, threadId, {      branch: "main",      worktreePath: "/tmp/main-worktree",    });    const runtimeUndefinedOptions = {      branch: undefined,      worktreePath: undefined,    } as unknown as {      branch?: string | null;      worktreePath?: string | null;    };    store.setProjectDraftThreadId(projectId, threadId, runtimeUndefinedOptions);     expect(useComposerDraftStore.getState().getDraftThread(threadId)).toMatchObject({      projectId,      branch: "main",      worktreePath: "/tmp/main-worktree",      envMode: "worktree",    });  });   it("preserves worktree env mode without a worktree path", () => {    const store = useComposerDraftStore.getState();    store.setProjectDraftThreadId(projectId, threadId, {      branch: "feature/base",      worktreePath: null,      envMode: "worktree",    });    const runtimeUndefinedOptions = {      branch: undefined,      worktreePath: undefined,      envMode: undefined,    } as unknown as {      branch?: string | null;      worktreePath?: string | null;      envMode?: "local" | "worktree";    };    store.setProjectDraftThreadId(projectId, threadId, runtimeUndefinedOptions);     expect(useComposerDraftStore.getState().getDraftThread(threadId)).toMatchObject({      projectId,      branch: "feature/base",

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