multica/packages/core/api/schemas.test.ts

import { describe, expect, it } from "vitest";
import {
  AppConfigSchema,
  AgentTaskListSchema,
  AutopilotRunSchema,
  FALLBACK_AUTOPILOT_RUN,
  CommentTriggerPreviewSchema,
  DashboardAgentRunTimeListSchema,
  DashboardFailureByAgentListSchema,
  DashboardFailureDailyListSchema,
  DashboardUsageByAgentListSchema,
  DashboardUsageDailyListSchema,
  ChatDraftRestoresResponseSchema,
  CreateFeedbackResponseSchema,
  DuplicateIssueErrorBodySchema,
  EMPTY_CHAT_DRAFT_RESTORES,
  EMPTY_CREATE_FEEDBACK_RESPONSE,
  EMPTY_INBOX_ITEMS,
  EMPTY_INBOX_UNREAD_SUMMARY,
  EMPTY_SEARCH_PROJECTS_RESPONSE,
  EMPTY_USER,
  InboxItemListSchema,
  InboxUnreadSummarySchema,
  IssueTriggerPreviewSchema,
  ListIssuesResponseSchema,
  ListPropertiesResponseSchema,
  SearchProjectsResponseSchema,
  RuntimeHourlyActivityListSchema,
  RuntimeUsageByAgentListSchema,
  RuntimeUsageByHourListSchema,
  RuntimeUsageListSchema,
  SquadListSchema,
  SquadSchema,
  TimelineEntriesSchema,
  UserSchema,
} from "./schemas";
import { parseWithFallback } from "./schema";

const baseIssue = {
  id: "11111111-1111-1111-1111-111111111111",
  workspace_id: "ws-1",
  number: 1,
  identifier: "MUL-1",
  title: "Test",
  description: null,
  status: "todo",
  priority: "medium",
  assignee_type: null,
  assignee_id: null,
  creator_type: "member",
  creator_id: "user-1",
  parent_issue_id: null,
  project_id: null,
  position: 0,
  stage: null,
  start_date: null,
  due_date: null,
  metadata: {},
  created_at: "2026-01-01T00:00:00Z",
  updated_at: "2026-01-01T00:00:00Z",
};

describe("IssueSchema (via ListIssuesResponseSchema)", () => {
  it("accepts a primitive metadata KV map", () => {
    const payload = {
      issues: [
        {
          ...baseIssue,
          metadata: { pipeline_status: "waiting", pr_number: 3, is_blocked: true },
        },
      ],
      total: 1,
    };
    const parsed = ListIssuesResponseSchema.parse(payload);
    expect(parsed.issues[0]?.metadata).toEqual({
      pipeline_status: "waiting",
      pr_number: 3,
      is_blocked: true,
    });
  });

  it("defaults metadata to {} when the server omits it (older backend)", () => {
    const { metadata: _omit, ...issueWithoutMetadata } = baseIssue;
    const payload = { issues: [issueWithoutMetadata], total: 1 };
    const parsed = ListIssuesResponseSchema.parse(payload);
    expect(parsed.issues[0]?.metadata).toEqual({});
  });

  it("rejects metadata with non-primitive values (nested object)", () => {
    const payload = {
      issues: [{ ...baseIssue, metadata: { nested: { x: 1 } } }],
      total: 1,
    };
    expect(ListIssuesResponseSchema.safeParse(payload).success).toBe(false);
  });

  it("accepts a numeric stage", () => {
    const payload = { issues: [{ ...baseIssue, stage: 2 }], total: 1 };
    const parsed = ListIssuesResponseSchema.parse(payload);
    expect(parsed.issues[0]?.stage).toBe(2);
  });

  it("defaults stage to null when the server omits it (older backend)", () => {
    const { stage: _omit, ...issueWithoutStage } = baseIssue;
    const payload = { issues: [issueWithoutStage], total: 1 };
    const parsed = ListIssuesResponseSchema.parse(payload);
    expect(parsed.issues[0]?.stage).toBeNull();
  });

  it("accepts custom property values including multi_select arrays", () => {
    const payload = {
      issues: [
        {
          ...baseIssue,
          properties: { "def-1": "opt-a", "def-2": ["opt-x", "opt-y"], "def-3": 3.5, "def-4": true },
        },
      ],
      total: 1,
    };
    const parsed = ListIssuesResponseSchema.parse(payload);
    expect(parsed.issues[0]?.properties).toEqual({
      "def-1": "opt-a",
      "def-2": ["opt-x", "opt-y"],
      "def-3": 3.5,
      "def-4": true,
    });
  });

  it("defaults properties to {} when the server omits it (older backend)", () => {
    const parsed = ListIssuesResponseSchema.parse({ issues: [baseIssue], total: 1 });
    expect(parsed.issues[0]?.properties).toEqual({});
  });

  it("drops unknown-shaped property values instead of failing the issue parse", () => {
    // Forward compat: a future server type (actor/relation) may ship object
    // values. That one entry must disappear; the issue and its other
    // properties must survive — a full parse failure would blank the whole
    // list through parseWithFallback on installed desktop builds.
    const payload = {
      issues: [
        {
          ...baseIssue,
          properties: { "def-1": { nested: 1 }, "def-2": "opt-a" },
        },
      ],
      total: 1,
    };
    const parsed = ListIssuesResponseSchema.parse(payload);
    expect(parsed.issues[0]?.properties).toEqual({ "def-2": "opt-a" });
  });
});

describe("IssuePropertySchema (via ListPropertiesResponseSchema)", () => {
  const baseProperty = {
    id: "22222222-2222-2222-2222-222222222222",
    workspace_id: "ws-1",
    name: "Severity",
    type: "select",
    description: "",
    icon: "flag",
    config: { options: [{ id: "opt-1", name: "Critical", color: "#ef4444" }] },
    position: 1,
    archived: false,
    archived_at: null,
    usage_count: 2,
    created_at: "2026-01-01T00:00:00Z",
    updated_at: "2026-01-01T00:00:00Z",
  };

  it("parses a full definition", () => {
    const parsed = ListPropertiesResponseSchema.parse({ properties: [baseProperty], total: 1 });
    expect(parsed.properties[0]?.config.options?.[0]?.name).toBe("Critical");
    expect(parsed.properties[0]?.icon).toBe("flag");
  });

  it("survives a malformed response by defaulting the list", () => {
    const parsed = ListPropertiesResponseSchema.parse({});
    expect(parsed.properties).toEqual([]);
    expect(parsed.total).toBe(0);
  });

  it("keeps unknown property types as strings (forward compat)", () => {
    const parsed = ListPropertiesResponseSchema.parse({
      properties: [{ ...baseProperty, type: "relation", config: {} }],
      total: 1,
    });
    expect(parsed.properties[0]?.type).toBe("relation");
  });

  it("defaults config when the server sends none", () => {
    const { config: _omit, ...withoutConfig } = baseProperty;
    const parsed = ListPropertiesResponseSchema.parse({ properties: [withoutConfig], total: 1 });
    expect(parsed.properties[0]?.config).toEqual({});
  });

  it("defaults icon for an older server response", () => {
    const { icon: _omit, ...withoutIcon } = baseProperty;
    const parsed = ListPropertiesResponseSchema.parse({ properties: [withoutIcon], total: 1 });
    expect(parsed.properties[0]?.icon).toBe("");
  });
});

// POST /api/issues/preview-trigger feeds this schema through parseWithFallback
// in client.previewIssueTrigger with fallback { triggers: [], total_count: 0 }
// (MUL-3375). The four entry points read it to decide "will this start a run",
// so malformed / missing / null drift must degrade to "nothing will start"
// rather than throw into the picker/modal.
const PREVIEW_FALLBACK = { triggers: [], total_count: 0 };
const PREVIEW_ENDPOINT = { endpoint: "POST /api/issues/preview-trigger" };

describe("IssueTriggerPreviewSchema", () => {
  it("parses a well-formed response", () => {
    const parsed = IssueTriggerPreviewSchema.parse({
      triggers: [
        { issue_id: "i1", agent_id: "a1", source: "assign", handoff_supported: true },
        { issue_id: "i2", agent_id: "a2", source: "status", handoff_supported: false },
      ],
      total_count: 2,
    });
    expect(parsed.total_count).toBe(2);
    expect(parsed.triggers).toHaveLength(2);
    expect(parsed.triggers[0]).toMatchObject({ issue_id: "i1", agent_id: "a1", source: "assign", handoff_supported: true });
  });

  it("defaults missing top-level fields (empty / older backend)", () => {
    const parsed = IssueTriggerPreviewSchema.parse({});
    expect(parsed.triggers).toEqual([]);
    expect(parsed.total_count).toBe(0);
  });

  it("defaults missing optional item fields, keeping required issue_id", () => {
    const parsed = IssueTriggerPreviewSchema.parse({ triggers: [{ issue_id: "i1" }], total_count: 1 });
    expect(parsed.triggers[0]).toEqual({
      issue_id: "i1",
      agent_id: "",
      source: "",
      handoff_supported: false,
    });
  });

  it("parseWithFallback returns the fallback for a malformed shape (triggers not an array)", () => {
    const parsed = parseWithFallback(
      { triggers: "nope", total_count: 1 },
      IssueTriggerPreviewSchema,
      PREVIEW_FALLBACK,
      PREVIEW_ENDPOINT,
    );
    expect(parsed).toEqual(PREVIEW_FALLBACK);
  });

  it("parseWithFallback returns the fallback when an item drops the required issue_id", () => {
    const parsed = parseWithFallback(
      { triggers: [{ agent_id: "a1", source: "assign" }], total_count: 1 },
      IssueTriggerPreviewSchema,
      PREVIEW_FALLBACK,
      PREVIEW_ENDPOINT,
    );
    expect(parsed).toEqual(PREVIEW_FALLBACK);
  });

  it("parseWithFallback returns the fallback for a wrong-typed total_count", () => {
    const parsed = parseWithFallback(
      { triggers: [], total_count: "5" },
      IssueTriggerPreviewSchema,
      PREVIEW_FALLBACK,
      PREVIEW_ENDPOINT,
    );
    expect(parsed).toEqual(PREVIEW_FALLBACK);
  });

  it("parseWithFallback returns the fallback for null / non-object bodies", () => {
    expect(parseWithFallback(null, IssueTriggerPreviewSchema, PREVIEW_FALLBACK, PREVIEW_ENDPOINT)).toEqual(PREVIEW_FALLBACK);
    expect(parseWithFallback("oops", IssueTriggerPreviewSchema, PREVIEW_FALLBACK, PREVIEW_ENDPOINT)).toEqual(PREVIEW_FALLBACK);
  });
});

describe("TimelineEntriesSchema", () => {
  it("preserves source_task_id for agent failure comments", () => {
    const parsed = TimelineEntriesSchema.parse([
      {
        type: "comment",
        id: "comment-1",
        actor_type: "agent",
        actor_id: "agent-1",
        created_at: "2026-01-01T00:00:00Z",
        content: "API Error: 500 Internal server error",
        comment_type: "system",
        source_task_id: "task-1",
      },
    ]);

    expect(parsed[0]?.source_task_id).toBe("task-1");
  });
});

describe("AgentTaskListSchema", () => {
  const task = {
    id: "task-1",
    agent_id: "agent-1",
    runtime_id: "runtime-1",
    issue_id: "issue-1",
    status: "queued",
    priority: 0,
    dispatched_at: null,
    started_at: null,
    completed_at: null,
    result: null,
    error: null,
    created_at: "2026-07-10T00:00:00Z",
    trigger_comment_id: "comment-3",
  };

  it("preserves planned and delivered comment IDs for a task run", () => {
    const parsed = AgentTaskListSchema.parse([
      {
        ...task,
        coalesced_comment_ids: ["comment-1", "comment-2"],
        delivered_comment_ids: ["comment-1", "comment-2", "comment-3"],
      },
    ]);

    expect(parsed[0]?.trigger_comment_id).toBe("comment-3");
    expect(parsed[0]?.coalesced_comment_ids).toEqual([
      "comment-1",
      "comment-2",
    ]);
    expect(parsed[0]?.delivered_comment_ids).toEqual([
      "comment-1",
      "comment-2",
      "comment-3",
    ]);
  });

  it("accepts task payloads from older backends without comment coverage", () => {
    const parsed = AgentTaskListSchema.parse([task]);
    expect(parsed[0]?.coalesced_comment_ids).toBeUndefined();
    expect(parsed[0]?.delivered_comment_ids).toBeUndefined();
  });

  it("degrades malformed optional coverage without dropping task rows", () => {
    const parsed = AgentTaskListSchema.parse([
      {
        ...task,
        coalesced_comment_ids: ["comment-1", 2],
        delivered_comment_ids: "not-an-array",
      },
      {
        ...task,
        id: "task-2",
        delivered_comment_ids: ["comment-2", "comment-3"],
      },
    ]);

    expect(parsed).toHaveLength(2);
    expect(parsed[0]?.coalesced_comment_ids).toBeUndefined();
    expect(parsed[0]?.delivered_comment_ids).toBeUndefined();
    expect(parsed[1]?.delivered_comment_ids).toEqual([
      "comment-2",
      "comment-3",
    ]);
  });
});

describe("ChatDraftRestoresResponseSchema", () => {
  it("parses a well-formed response with attachments", () => {
    const parsed = parseWithFallback(
      {
        restores: [
          {
            id: "msg-1",
            chat_session_id: "s-1",
            task_id: "t-1",
            content: "run the thing",
            attachments: [{ id: "att-1", filename: "notes.txt" }],
            created_at: "2026-07-01T00:00:00Z",
          },
        ],
      },
      ChatDraftRestoresResponseSchema,
      EMPTY_CHAT_DRAFT_RESTORES,
      { endpoint: "test" },
    );
    expect(parsed.restores).toHaveLength(1);
    expect(parsed.restores[0]?.content).toBe("run the thing");
    expect(parsed.restores[0]?.attachments?.[0]?.id).toBe("att-1");
  });

  it("defaults a missing restores array instead of crashing the composer", () => {
    const parsed = parseWithFallback(
      {},
      ChatDraftRestoresResponseSchema,
      EMPTY_CHAT_DRAFT_RESTORES,
      { endpoint: "test" },
    );
    expect(parsed.restores).toEqual([]);
  });

  it("falls back to the empty response on a malformed row", () => {
    // A row without the consume key (id) is unusable — the whole response
    // falls back and the durable rows simply stay pending server-side.
    const parsed = parseWithFallback(
      { restores: [{ chat_session_id: "s-1", content: 42 }] },
      ChatDraftRestoresResponseSchema,
      EMPTY_CHAT_DRAFT_RESTORES,
      { endpoint: "test" },
    );
    expect(parsed).toEqual(EMPTY_CHAT_DRAFT_RESTORES);
  });
});

describe("CreateFeedbackResponseSchema", () => {
  const ENDPOINT = { endpoint: "POST /api/feedback" };

  it("parses a well-formed response and preserves extra fields", () => {
    const parsed = parseWithFallback(
      { id: "feedback-1", created_at: "2026-06-26T00:00:00Z", future_field: true },
      CreateFeedbackResponseSchema,
      EMPTY_CREATE_FEEDBACK_RESPONSE,
      ENDPOINT,
    );
    expect(parsed).toMatchObject({
      id: "feedback-1",
      created_at: "2026-06-26T00:00:00Z",
      future_field: true,
    });
  });

  it("returns the empty fallback for malformed feedback responses", () => {
    expect(
      parseWithFallback(
        { id: 123, created_at: "2026-06-26T00:00:00Z" },
        CreateFeedbackResponseSchema,
        EMPTY_CREATE_FEEDBACK_RESPONSE,
        ENDPOINT,
      ),
    ).toBe(EMPTY_CREATE_FEEDBACK_RESPONSE);
    expect(
      parseWithFallback(null, CreateFeedbackResponseSchema, EMPTY_CREATE_FEEDBACK_RESPONSE, ENDPOINT),
    ).toBe(EMPTY_CREATE_FEEDBACK_RESPONSE);
  });
});

// The duplicate-issue branch in create-issue.tsx feeds ApiError.body
// (typed as `unknown`) through this schema. Any future server drift that
// loses the contract MUST fail the parse so the UI falls back to a normal
// error toast instead of rendering an empty / partial duplicate card.
describe("DuplicateIssueErrorBodySchema", () => {
  const valid = {
    code: "active_duplicate_issue",
    error: "An active issue with this title already exists: MUL-12 – Login bug",
    issue: {
      id: "11111111-1111-1111-1111-111111111111",
      identifier: "MUL-12",
      title: "Login bug",
    },
  };

  it("accepts a well-formed body", () => {
    expect(DuplicateIssueErrorBodySchema.safeParse(valid).success).toBe(true);
  });

  it("accepts unknown extra fields via .loose()", () => {
    const forwardCompat = {
      ...valid,
      hint: "Try a different title",
      issue: { ...valid.issue, workspace_id: "ws-1", status: "todo" },
    };
    expect(DuplicateIssueErrorBodySchema.safeParse(forwardCompat).success).toBe(true);
  });

  it("rejects a renamed code (so renames degrade to the generic toast)", () => {
    const renamed = { ...valid, code: "duplicate_issue" };
    expect(DuplicateIssueErrorBodySchema.safeParse(renamed).success).toBe(false);
  });

  it("rejects a missing issue object", () => {
    const { issue: _omit, ...without } = valid;
    expect(DuplicateIssueErrorBodySchema.safeParse(without).success).toBe(false);
  });

  it("rejects a non-string issue.id", () => {
    const broken = { ...valid, issue: { ...valid.issue, id: 42 } };
    expect(DuplicateIssueErrorBodySchema.safeParse(broken).success).toBe(false);
  });

  it("accepts a missing error field (it is optional)", () => {
    const { error: _omit, ...without } = valid;
    expect(DuplicateIssueErrorBodySchema.safeParse(without).success).toBe(true);
  });
});

// `user.timezone` (Viewing tz) was added in the timezone-architecture RFC.
// A desktop build older than the server — or a server predating the
// `user.timezone` migration — will return a `/api/me` body with no
// `timezone` key. The schema must not fail closed on that: the field
// defaults to `null`, which the frontend resolves to the browser-detected
// tz at render time.
describe("UserSchema timezone drift", () => {
  const base = {
    id: "11111111-1111-1111-1111-111111111111",
    name: "Ada",
    email: "ada@example.com",
  };

  it("defaults timezone to null when the field is absent", () => {
    const parsed = UserSchema.parse(base);
    expect(parsed.timezone).toBe(null);
  });

  it("preserves an explicit IANA timezone", () => {
    const parsed = UserSchema.parse({ ...base, timezone: "Asia/Tokyo" });
    expect(parsed.timezone).toBe("Asia/Tokyo");
  });

  it("accepts an explicit null timezone", () => {
    const parsed = UserSchema.parse({ ...base, timezone: null });
    expect(parsed.timezone).toBe(null);
  });

  // Wrong-type drift: a future server bug sending `timezone` as a number
  // must not throw into the UI. parseWithFallback degrades the whole user
  // object to the explicit fallback (EMPTY_USER) so /api/me callers keep a
  // valid shape instead of white-screening.
  it("falls back to EMPTY_USER when timezone is the wrong type", () => {
    const parsed = parseWithFallback(
      { ...base, timezone: 42 },
      UserSchema,
      EMPTY_USER,
      { endpoint: "GET /api/me" },
    );
    expect(parsed).toBe(EMPTY_USER);
  });
});

describe("SquadListSchema member preview drift", () => {
  const baseSquad = {
    id: "squad-1",
    workspace_id: "ws-1",
    name: "Frontend Squad",
    description: "",
    instructions: "",
    avatar_url: null,
    leader_id: "agent-1",
    creator_id: "user-1",
    created_at: "2026-05-01T00:00:00Z",
    updated_at: "2026-05-01T00:00:00Z",
    archived_at: null,
    archived_by: null,
  };

  it("defaults preview fields when an older backend omits them", () => {
    const parsed = SquadListSchema.parse([baseSquad]);
    expect(parsed[0]?.member_count).toBe(0);
    expect(parsed[0]?.member_preview).toEqual([]);
  });

  it("defaults preview fields on a single squad response", () => {
    const parsed = SquadSchema.parse(baseSquad);
    expect(parsed.member_count).toBe(0);
    expect(parsed.member_preview).toEqual([]);
  });

  it("preserves lightweight member preview rows", () => {
    const parsed = SquadListSchema.parse([
      {
        ...baseSquad,
        member_count: 2,
        member_preview: [
          { member_type: "agent", member_id: "agent-1", role: "leader" },
          { member_type: "member", member_id: "user-2", role: "member" },
        ],
      },
    ]);
    expect(parsed[0]?.member_count).toBe(2);
    expect(parsed[0]?.member_preview).toHaveLength(2);
    expect(parsed[0]?.member_preview?.[0]?.role).toBe("leader");
  });
});

// The workspace dashboard and runtime-detail pages were re-pointed at the
// unified `task_usage_hourly` rollup. Every numeric field drives chart /
// KPI math, and string keys (date / agent_id / model) bucket the series.
// The contract these schemas must hold: a row missing a field degrades
// that field to a sane default rather than dropping the WHOLE array to
// the `[]` fallback — one drifted row must not blank the entire chart.
describe("dashboard + runtime usage schema drift", () => {
  it("coerces a missing numeric field to 0 instead of dropping the array", () => {
    const parsed = DashboardUsageDailyListSchema.parse([
      { date: "2026-05-19", model: "claude-opus-4-7", input_tokens: 100 },
    ]);
    expect(parsed).toHaveLength(1);
    expect(parsed[0]?.output_tokens).toBe(0);
    expect(parsed[0]?.cache_read_tokens).toBe(0);
    expect(parsed[0]?.cache_write_tokens).toBe(0);
  });

  it("coerces a missing date key to \"\" so the rest of the series survives", () => {
    const parsed = DashboardUsageDailyListSchema.parse([
      { model: "claude-opus-4-7", input_tokens: 5 },
    ]);
    expect(parsed).toHaveLength(1);
    expect(parsed[0]?.date).toBe("");
  });

  it("coerces a missing agent_id key to \"\" for the agent-runtime panel", () => {
    const parsed = DashboardAgentRunTimeListSchema.parse([
      { total_seconds: 42, task_count: 3, failed_count: 0 },
    ]);
    expect(parsed).toHaveLength(1);
    expect(parsed[0]?.agent_id).toBe("");
  });

  it("coerces a missing agent_id key to \"\" for the usage-by-agent panel", () => {
    const parsed = DashboardUsageByAgentListSchema.parse([
      { model: "claude-opus-4-7", input_tokens: 7 },
    ]);
    expect(parsed[0]?.agent_id).toBe("");
  });

  it("coerces missing fields on every runtime usage schema", () => {
    expect(RuntimeUsageListSchema.parse([{ date: "2026-05-19" }])[0]?.input_tokens).toBe(0);
    expect(RuntimeHourlyActivityListSchema.parse([{ hour: 9 }])[0]?.count).toBe(0);
    expect(RuntimeUsageByAgentListSchema.parse([{ model: "x" }])[0]?.agent_id).toBe("");
    expect(RuntimeUsageByHourListSchema.parse([{ hour: 9 }])[0]?.model).toBe("");
  });

  it("defaults a missing provider to \"\" so an older server's rows still price by bare model", () => {
    // provider was added for cross-provider model disambiguation; a server
    // predating it omits the field. The schema must fill "" (→ bare-model
    // pricing lookup) rather than drop the row.
    expect(
      DashboardUsageDailyListSchema.parse([{ date: "2026-05-19", model: "claude-opus-4-7" }])[0]
        ?.provider,
    ).toBe("");
    expect(
      DashboardUsageByAgentListSchema.parse([{ model: "claude-opus-4-7" }])[0]?.provider,
    ).toBe("");
    expect(RuntimeUsageByAgentListSchema.parse([{ model: "x" }])[0]?.provider).toBe("");
  });

  it("rejects a non-array body so parseWithFallback can return its fallback", () => {
    expect(DashboardUsageDailyListSchema.safeParse(null).success).toBe(false);
    expect(DashboardFailureDailyListSchema.safeParse(null).success).toBe(false);
    expect(DashboardFailureByAgentListSchema.safeParse({ rows: [] }).success).toBe(
      false,
    );
    expect(RuntimeUsageListSchema.safeParse({ rows: [] }).success).toBe(false);
  });

  it("keeps a failure_reason the client build has never heard of", () => {
    // failure_reason is an open string, not an enum: the backend taxonomy
    // grows, and an installed desktop client must still count a reason its
    // build predates rather than dropping the row (and with it the day's
    // error total).
    const parsed = DashboardFailureDailyListSchema.parse([
      { date: "2026-05-19", failure_reason: "agent_error.brand_new", task_count: 3 },
    ]);
    expect(parsed).toHaveLength(1);
    expect(parsed[0]?.failure_reason).toBe("agent_error.brand_new");
    expect(parsed[0]?.task_count).toBe(3);
  });

  it("coerces a missing failure row field without dropping the array", () => {
    const daily = DashboardFailureDailyListSchema.parse([{ date: "2026-05-19" }]);
    expect(daily).toHaveLength(1);
    // "" is the succeeded bucket, so a reason-less row lands in the
    // denominator instead of inventing a failure that never happened.
    //
    // Defaulting to a failure bucket instead was considered and rejected: the
    // realistic drift here is someone adding `omitempty` to the Go struct
    // tag, which would strip the field from exactly the SUCCESS rows and turn
    // every window into a 100% error rate. Deflating a rate under drift is
    // the milder failure. TestDashboardFailureWireContractKeepsEmptyReason
    // (server/internal/handler/dashboard_test.go) guards the other side by
    // pinning that the server always emits the field.
    expect(daily[0]?.failure_reason).toBe("");
    expect(daily[0]?.task_count).toBe(0);

    const byAgent = DashboardFailureByAgentListSchema.parse([
      { failure_reason: "timeout", task_count: 2 },
    ]);
    expect(byAgent[0]?.agent_id).toBe("");
  });

  it("keeps unknown server-side fields via .loose()", () => {
    const parsed = RuntimeUsageListSchema.parse([
      { date: "2026-05-19", region: "us-east" },
    ]);
    expect((parsed[0] as Record<string, unknown>).region).toBe("us-east");
  });
});

describe("AppConfigSchema cdn_signed drift", () => {
  it("defaults cdn_signed to false when the server omits it (pre-MUL-3254 servers)", () => {
    const parsed = AppConfigSchema.parse({ cdn_domain: "cdn.example.com" });
    expect(parsed.cdn_signed).toBe(false);
  });

  it("coerces a malformed cdn_signed to false instead of failing the whole config", () => {
    const parsed = AppConfigSchema.parse({
      cdn_domain: "cdn.example.com",
      cdn_signed: "yes",
    });
    expect(parsed.cdn_signed).toBe(false);
    expect(parsed.cdn_domain).toBe("cdn.example.com");
  });

  it("keeps cdn_signed=true from a signing-enabled server", () => {
    const parsed = AppConfigSchema.parse({ cdn_signed: true });
    expect(parsed.cdn_signed).toBe(true);
  });

  it("parses frontend feature flag decisions", () => {
    const parsed = AppConfigSchema.parse({
      feature_flags: {
        composio_mcp_apps: true,
        malformed_future_flag: "yes",
      },
    });
    expect(parsed.feature_flags).toEqual({
      composio_mcp_apps: true,
      malformed_future_flag: false,
    });
  });

  it("defaults malformed feature_flags to an empty object", () => {
    const parsed = AppConfigSchema.parse({ feature_flags: ["not", "an", "object"] });
    expect(parsed.feature_flags).toEqual({});
  });

  it("parses server_version and leaves it undefined when the server omits it", () => {
    expect(AppConfigSchema.parse({ server_version: "1.2.3" }).server_version).toBe("1.2.3");
    expect(AppConfigSchema.parse({}).server_version).toBeUndefined();
  });
});

describe("InboxUnreadSummarySchema", () => {
  const ENDPOINT = { endpoint: "GET /api/inbox/unread-summary" };

  it("parses a well-formed summary and tolerates extra fields", () => {
    const parsed = parseWithFallback(
      [
        { workspace_id: "ws-1", count: 2 },
        { workspace_id: "ws-2", count: 0, future_field: "ignored" },
      ],
      InboxUnreadSummarySchema,
      EMPTY_INBOX_UNREAD_SUMMARY,
      ENDPOINT,
    );
    expect(parsed).toEqual([
      { workspace_id: "ws-1", count: 2 },
      { workspace_id: "ws-2", count: 0, future_field: "ignored" },
    ]);
  });

  it("returns the empty fallback (dot hidden) for a non-array body", () => {
    expect(
      parseWithFallback({ rows: [] }, InboxUnreadSummarySchema, EMPTY_INBOX_UNREAD_SUMMARY, ENDPOINT),
    ).toBe(EMPTY_INBOX_UNREAD_SUMMARY);
    expect(
      parseWithFallback(null, InboxUnreadSummarySchema, EMPTY_INBOX_UNREAD_SUMMARY, ENDPOINT),
    ).toBe(EMPTY_INBOX_UNREAD_SUMMARY);
  });

  it("returns the empty fallback when an entry has a wrong-typed count", () => {
    expect(
      parseWithFallback(
        [{ workspace_id: "ws-1", count: "lots" }],
        InboxUnreadSummarySchema,
        EMPTY_INBOX_UNREAD_SUMMARY,
        ENDPOINT,
      ),
    ).toBe(EMPTY_INBOX_UNREAD_SUMMARY);
  });
});

describe("InboxItemListSchema", () => {
  const ENDPOINT = { endpoint: "GET /api/inbox/archived" };

  const row = (overrides: Record<string, unknown> = {}) => ({
    id: "inbox-1",
    workspace_id: "ws-1",
    recipient_type: "member",
    recipient_id: "member-1",
    type: "new_comment",
    severity: "info",
    issue_id: "issue-1",
    title: "Issue title",
    body: null,
    read: false,
    archived: true,
    created_at: "2026-06-15T08:00:00Z",
    ...overrides,
  });

  it("parses a well-formed archived list and tolerates extra fields", () => {
    const parsed = parseWithFallback(
      [row({ issue_status: "in_progress", details: { comment_id: "c-1" }, future_field: 1 })],
      InboxItemListSchema,
      EMPTY_INBOX_ITEMS,
      ENDPOINT,
    );
    expect(parsed).toHaveLength(1);
    expect(parsed[0]).toMatchObject({ id: "inbox-1", archived: true });
  });

  it("keeps a notification type this client doesn't know yet", () => {
    // Enums stay lenient on purpose: a backend that ships a new inbox type
    // must not blank the whole archived list on older clients.
    const parsed = parseWithFallback(
      [row({ type: "some_future_type", severity: "future_severity" })],
      InboxItemListSchema,
      EMPTY_INBOX_ITEMS,
      ENDPOINT,
    );
    expect(parsed).toHaveLength(1);
  });

  it("accepts rows that omit the nullable optional fields", () => {
    const { body, issue_id, ...withoutOptionals } = row();
    void body;
    void issue_id;
    expect(
      parseWithFallback([withoutOptionals], InboxItemListSchema, EMPTY_INBOX_ITEMS, ENDPOINT),
    ).toHaveLength(1);
  });

  it("returns the empty fallback for a non-array body", () => {
    expect(
      parseWithFallback({ items: [] }, InboxItemListSchema, EMPTY_INBOX_ITEMS, ENDPOINT),
    ).toBe(EMPTY_INBOX_ITEMS);
    expect(
      parseWithFallback(null, InboxItemListSchema, EMPTY_INBOX_ITEMS, ENDPOINT),
    ).toBe(EMPTY_INBOX_ITEMS);
  });

  it("returns the empty fallback when a row is missing a required field", () => {
    const { id, ...withoutId } = row();
    void id;
    expect(
      parseWithFallback([withoutId], InboxItemListSchema, EMPTY_INBOX_ITEMS, ENDPOINT),
    ).toBe(EMPTY_INBOX_ITEMS);
  });

  it("returns the empty fallback when `archived` is wrong-typed", () => {
    expect(
      parseWithFallback(
        [row({ archived: "yes" })],
        InboxItemListSchema,
        EMPTY_INBOX_ITEMS,
        ENDPOINT,
      ),
    ).toBe(EMPTY_INBOX_ITEMS);
  });
});

describe("SearchProjectsResponseSchema date drift", () => {
  const ENDPOINT = { endpoint: "GET /api/projects/search" };

  const baseProject = {
    id: "p-1",
    workspace_id: "ws-1",
    title: "Launch",
    description: null,
    icon: null,
    status: "in_progress",
    priority: "high",
    lead_type: null,
    lead_id: null,
    created_at: "2026-01-01T00:00:00Z",
    updated_at: "2026-01-01T00:00:00Z",
    issue_count: 0,
    done_count: 0,
    resource_count: 0,
    match_source: "title",
  };

  it("parses start_date / due_date when the backend returns them", () => {
    const parsed = parseWithFallback(
      { projects: [{ ...baseProject, start_date: "2026-03-01", due_date: "2026-03-31" }], total: 1 },
      SearchProjectsResponseSchema,
      EMPTY_SEARCH_PROJECTS_RESPONSE,
      ENDPOINT,
    );
    expect(parsed.projects[0]?.start_date).toBe("2026-03-01");
    expect(parsed.projects[0]?.due_date).toBe("2026-03-31");
  });

  // Frontend deploys before backend: an older backend omits the new keys. The
  // .default(null) must keep the whole batch parseable (→ null), not degrade
  // it to the empty fallback and blank the search results.
  it("defaults missing start_date / due_date to null without dropping results", () => {
    const parsed = parseWithFallback(
      { projects: [baseProject], total: 1 },
      SearchProjectsResponseSchema,
      EMPTY_SEARCH_PROJECTS_RESPONSE,
      ENDPOINT,
    );
    expect(parsed).not.toBe(EMPTY_SEARCH_PROJECTS_RESPONSE);
    expect(parsed.projects).toHaveLength(1);
    expect(parsed.projects[0]?.start_date).toBeNull();
    expect(parsed.projects[0]?.due_date).toBeNull();
  });
});

// The "run now" flow branches on run.status/reason_code to avoid a false-success
// toast (MUL-4525), so the trigger response must survive backend drift.
describe("AutopilotRunSchema", () => {
  const ENDPOINT = { endpoint: "POST /api/autopilots/:id/trigger" };
  const baseRun = {
    id: "run-1",
    autopilot_id: "ap-1",
    trigger_id: null,
    source: "manual",
    status: "issue_created",
    issue_id: "issue-1",
    task_id: null,
    triggered_at: "2026-07-14T00:00:00Z",
    completed_at: null,
    failure_reason: null,
    trigger_payload: null,
    result: null,
    created_at: "2026-07-14T00:00:00Z",
  };

  it("preserves a blocked run's status and reason_code", () => {
    const parsed = parseWithFallback(
      { ...baseRun, status: "skipped", failure_reason: "you are not allowed to trigger this autopilot's assignee agent", reason_code: "invocation_not_allowed" },
      AutopilotRunSchema,
      FALLBACK_AUTOPILOT_RUN,
      ENDPOINT,
    );
    expect(parsed.status).toBe("skipped");
    expect(parsed.reason_code).toBe("invocation_not_allowed");
  });

  it("tolerates an older server omitting reason_code", () => {
    const parsed = parseWithFallback(baseRun, AutopilotRunSchema, FALLBACK_AUTOPILOT_RUN, ENDPOINT);
    expect(parsed.status).toBe("issue_created");
    expect(parsed.reason_code).toBeUndefined();
  });

  it("degrades a malformed response to a non-success fallback (never a false success)", () => {
    const parsed = parseWithFallback("not-an-object", AutopilotRunSchema, FALLBACK_AUTOPILOT_RUN, ENDPOINT);
    expect(parsed).toBe(FALLBACK_AUTOPILOT_RUN);
    expect(parsed.status).toBe("failed");
  });
});

// The comment composer branches on preview.blocked to warn before sending
// (MUL-4525 §2), so the additive field must parse and degrade gracefully.
describe("CommentTriggerPreviewSchema.blocked", () => {
  it("parses blocked mention outcomes alongside agents", () => {
    const parsed = CommentTriggerPreviewSchema.parse({
      agents: [{ id: "a1", source: "mention_agent", reason: "" }],
      blocked: [
        { target_type: "squad", target_id: "s1", status: "blocked", reason_code: "invocation_not_allowed" },
      ],
    });
    expect(parsed.agents).toHaveLength(1);
    expect(parsed.blocked).toEqual([
      { target_type: "squad", target_id: "s1", status: "blocked", reason_code: "invocation_not_allowed" },
    ]);
  });

  it("defaults blocked to [] when an older server omits it", () => {
    const parsed = CommentTriggerPreviewSchema.parse({ agents: [] });
    expect(parsed.blocked).toEqual([]);
  });

  it("degrades a malformed blocked field to [] without dropping agents", () => {
    const parsed = CommentTriggerPreviewSchema.parse({
      agents: [{ id: "a1", source: "mention_agent", reason: "" }],
      blocked: "nope",
    });
    expect(parsed.agents).toHaveLength(1);
    expect(parsed.blocked).toEqual([]);
  });

  it("drops a single malformed blocked entry without discarding the valid ones", () => {
    const parsed = CommentTriggerPreviewSchema.parse({
      agents: [],
      blocked: [
        { target_type: "squad", target_id: "s1", status: "blocked", reason_code: "invocation_not_allowed" },
        { status: "blocked" }, // missing target_id → dropped individually
        { target_type: "agent", target_id: "a1", status: "blocked", reason_code: "runtime_offline" },
      ],
    });
    expect(parsed.blocked.map((b) => b.target_id)).toEqual(["s1", "a1"]);
  });
});