summaryrefslogblamecommitdiff
path: root/makima/frontend/src/lib/api.ts
blob: daa2b5c13b7f138c890470028ab00dfa567ab8f2 (plain) (tree)
1
2
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521

                                      


































                                                                                 






























































                                                                                     
                                                          
                                                                           
                                                                                



                                               










                                  






                                                        

                                                        






                                       

                                                                  
 





                              
                  



                                                                     

                    



                                                








                                

                         
                  





                                                                     









                                    

                                                                                   

                       
                                 
                    

                                                      





                                    

                       




















                                                    

 


                                                                
                 




                              

                              
                   
                          
                               









                               













                                               




                                
                                    



                                                              
                                                          






                                                                
                                                                






                                                                                
                                                           
                   











                                                                
                                                                 
                  

                               





                                                                 






                                                                
                                                                 





                                                                



                                   
                  
                   

                              
                          



                                        


                                      



                                                                      
                   
                               






                                                                   
































                                                                                          
                                                                             






                                                                                             
                                                                                        










                                                                
                                                                                      
                   













                                                                    
















                                                                                                      
































































                                                                                
























                                                                                





                                                     

                                                      






                                 

                                                                  







                       

                                      






































                                                               


                        











                                                

                                                 































































































































































































































































































                                                                                           




































































                                                                                      




























































































































































































































































































































































































































































                                                                                                     




                                                                                
                                                                   
                                                               




                                                                                   




                                                                             


                                




                                                                            


                                                

 
















                                     

                                                   

                         

                                                      











                             

                                                   



                                                      



                                                                                   




























                                                         


                                                                    







                                        



                                               






















































































































































































































































































































































































































                                                                                  












                                                                                

                                                 












                                                                                                    







































                                                                          









































































                                                                                       








































                                                                                   














































































































































































































































































































































































































                                                                                                

















































































































                                                                                               
import { supabase } from "./supabase";

const API_CONFIG = {
  local: {
    http: "http://localhost:8080",
    ws: "ws://localhost:8080",
  },
  production: {
    http: "https://api.makima.jp",
    ws: "wss://api.makima.jp",
  },
} as const;

type Environment = "local" | "production";

function detectEnvironment(): Environment {
  // Check if explicitly set via env var
  const envOverride = import.meta.env.VITE_API_ENV as Environment | undefined;
  if (envOverride && (envOverride === "local" || envOverride === "production")) {
    return envOverride;
  }

  // Auto-detect based on hostname
  if (typeof window !== "undefined") {
    const hostname = window.location.hostname;
    if (hostname === "localhost" || hostname === "127.0.0.1") {
      return "local";
    }
  }

  return "production";
}

const env = detectEnvironment();

export const API_BASE = API_CONFIG[env].http;
export const WS_BASE = API_CONFIG[env].ws;

// =============================================================================
// Authentication helpers
// =============================================================================

/** Storage key for API key */
const API_KEY_STORAGE_KEY = "makima_api_key";

/** Get stored API key from localStorage */
export function getStoredApiKey(): string | null {
  if (typeof window === "undefined") return null;
  return localStorage.getItem(API_KEY_STORAGE_KEY);
}

/** Store API key in localStorage */
export function setStoredApiKey(key: string): void {
  if (typeof window === "undefined") return;
  localStorage.setItem(API_KEY_STORAGE_KEY, key);
}

/** Remove stored API key */
export function clearStoredApiKey(): void {
  if (typeof window === "undefined") return;
  localStorage.removeItem(API_KEY_STORAGE_KEY);
}

/** Get auth headers for API requests */
async function getAuthHeaders(): Promise<HeadersInit> {
  const headers: HeadersInit = {
    "Content-Type": "application/json",
  };

  // Try Supabase session first
  if (supabase) {
    const { data: { session } } = await supabase.auth.getSession();
    if (session?.access_token) {
      headers["Authorization"] = `Bearer ${session.access_token}`;
      return headers;
    }
  }

  // Fall back to API key if available
  const apiKey = getStoredApiKey();
  if (apiKey) {
    headers["X-Makima-API-Key"] = apiKey;
  }

  return headers;
}

/** Fetch with authentication headers */
async function authFetch(url: string, options: RequestInit = {}): Promise<Response> {
  const authHeaders = await getAuthHeaders();
  const mergedHeaders = {
    ...authHeaders,
    ...options.headers,
  };

  return fetch(url, {
    ...options,
    headers: mergedHeaders,
  });
}
export const LISTEN_ENDPOINT = `${WS_BASE}/api/v1/listen`;
export const FILE_SUBSCRIBE_ENDPOINT = `${WS_BASE}/api/v1/files/subscribe`;
export const TASK_SUBSCRIBE_ENDPOINT = `${WS_BASE}/api/v1/mesh/tasks/subscribe`;

export function getEnvironment(): Environment {
  return env;
}

// File API types
export interface TranscriptEntry {
  id: string;
  speaker: string;
  start: number;
  end: number;
  text: string;
  isFinal: boolean;
}

// Chart types for visualization
export type ChartType = "line" | "bar" | "pie" | "area";

// Body element types for structured content
export type BodyElement =
  | { type: "heading"; level: number; text: string }
  | { type: "paragraph"; text: string }
  | { type: "code"; language?: string; content: string }
  | { type: "list"; ordered: boolean; items: string[] }
  | {
      type: "chart";
      chartType: ChartType;
      title?: string;
      data: Record<string, unknown>[];
      config?: Record<string, unknown>;
    }
  | { type: "image"; src: string; alt?: string; caption?: string }
  | { type: "markdown"; content: string };

export interface FileSummary {
  id: string;
  name: string;
  description: string | null;
  transcriptCount: number;
  duration: number | null;
  version: number;
  /** Path to linked repository file (e.g., "README.md") */
  repoFilePath: string | null;
  /** Sync status: 'none', 'synced', 'modified', 'conflict' */
  repoSyncStatus: 'none' | 'synced' | 'modified' | 'conflict' | null;
  createdAt: string;
  updatedAt: string;
  // Contract info (joined from contracts table)
  contractId: string | null;
  contractName: string | null;
  contractPhase: ContractPhase | null;
}

export interface FileDetail {
  id: string;
  ownerId: string;
  name: string;
  description: string | null;
  transcript: TranscriptEntry[];
  location: string | null;
  summary: string | null;
  body: BodyElement[];
  version: number;
  /** Path to linked repository file (e.g., "README.md") */
  repoFilePath: string | null;
  /** When file was last synced from repository */
  repoSyncedAt: string | null;
  /** Sync status: 'none', 'synced', 'modified', 'conflict' */
  repoSyncStatus: 'none' | 'synced' | 'modified' | 'conflict' | null;
  createdAt: string;
  updatedAt: string;
}

export interface FileListResponse {
  files: FileSummary[];
  total: number;
}

export interface CreateFileRequest {
  /** Contract this file belongs to (required - files must belong to a contract) */
  contractId: string;
  name?: string;
  description?: string;
  transcript?: TranscriptEntry[];
  location?: string;
  /** Initial body elements (e.g., from a template) */
  body?: BodyElement[];
}

export interface UpdateFileRequest {
  name?: string;
  description?: string;
  transcript?: TranscriptEntry[];
  summary?: string;
  body?: BodyElement[];
  version?: number;
}

// Conflict error types
export interface ConflictErrorResponse {
  code: "VERSION_CONFLICT";
  message: string;
  expectedVersion: number;
  actualVersion: number;
}

export class VersionConflictError extends Error {
  expectedVersion: number;
  actualVersion: number;

  constructor(conflict: ConflictErrorResponse) {
    super(conflict.message);
    this.name = "VersionConflictError";
    this.expectedVersion = conflict.expectedVersion;
    this.actualVersion = conflict.actualVersion;
  }
}

// Available LLM models
export type LlmModel = "claude-sonnet" | "claude-opus" | "groq";

// Chat API types
export interface ChatMessage {
  role: "user" | "assistant";
  content: string;
}

export interface ChatRequest {
  message: string;
  model?: LlmModel;
  history?: ChatMessage[];
  focusedElementIndex?: number;
}

export interface ToolCallInfo {
  name: string;
  result: {
    success: boolean;
    message: string;
  };
}

// User question types for interactive LLM tool
export interface UserQuestion {
  id: string;
  question: string;
  options: string[];
  allowMultiple: boolean;
  allowCustom: boolean;
}

export interface UserAnswer {
  id: string;
  answers: string[];
}

export interface ChatResponse {
  response: string;
  toolCalls: ToolCallInfo[];
  updatedBody: BodyElement[];
  updatedSummary: string | null;
  pendingQuestions?: UserQuestion[];
}

// File API functions
export async function listFiles(): Promise<FileListResponse> {
  const res = await authFetch(`${API_BASE}/api/v1/files`);
  if (!res.ok) {
    throw new Error(`Failed to list files: ${res.statusText}`);
  }
  return res.json();
}

export async function getFile(id: string): Promise<FileDetail> {
  const res = await authFetch(`${API_BASE}/api/v1/files/${id}`);
  if (!res.ok) {
    throw new Error(`Failed to get file: ${res.statusText}`);
  }
  return res.json();
}

export async function createFile(data: CreateFileRequest): Promise<FileDetail> {
  const res = await authFetch(`${API_BASE}/api/v1/files`, {
    method: "POST",
    body: JSON.stringify(data),
  });
  if (!res.ok) {
    throw new Error(`Failed to create file: ${res.statusText}`);
  }
  return res.json();
}

export async function updateFile(
  id: string,
  data: UpdateFileRequest
): Promise<FileDetail> {
  const res = await authFetch(`${API_BASE}/api/v1/files/${id}`, {
    method: "PUT",
    body: JSON.stringify(data),
  });

  if (res.status === 409) {
    const conflict = (await res.json()) as ConflictErrorResponse;
    throw new VersionConflictError(conflict);
  }

  if (!res.ok) {
    throw new Error(`Failed to update file: ${res.statusText}`);
  }
  return res.json();
}

export async function deleteFile(id: string): Promise<void> {
  const res = await authFetch(`${API_BASE}/api/v1/files/${id}`, {
    method: "DELETE",
  });
  if (!res.ok) {
    throw new Error(`Failed to delete file: ${res.statusText}`);
  }
}

// Chat API function
export async function chatWithFile(
  id: string,
  message: string,
  model?: LlmModel,
  history?: ChatMessage[],
  focusedElementIndex?: number
): Promise<ChatResponse> {
  const body: ChatRequest = { message };
  if (model) {
    body.model = model;
  }
  if (history && history.length > 0) {
    body.history = history;
  }
  if (focusedElementIndex !== undefined) {
    body.focusedElementIndex = focusedElementIndex;
  }
  const res = await authFetch(`${API_BASE}/api/v1/files/${id}/chat`, {
    method: "POST",
    body: JSON.stringify(body),
  });
  if (!res.ok) {
    const errorText = await res.text();
    throw new Error(`Chat failed: ${errorText || res.statusText}`);
  }
  return res.json();
}

// Version history types
export type VersionSource = "user" | "llm" | "system";

export interface FileVersion {
  version: number;
  name: string;
  description: string | null;
  summary: string | null;
  body: BodyElement[];
  source: VersionSource;
  createdAt: string;
  changeDescription?: string;
}

export interface FileVersionSummary {
  version: number;
  source: VersionSource;
  createdAt: string;
  changeDescription?: string;
}

export interface FileVersionListResponse {
  versions: FileVersionSummary[];
  total: number;
}

export interface RestoreVersionRequest {
  targetVersion: number;
}

// Version history API functions
export async function listFileVersions(fileId: string): Promise<FileVersionListResponse> {
  const res = await authFetch(`${API_BASE}/api/v1/files/${fileId}/versions`);
  if (!res.ok) {
    throw new Error(`Failed to list versions: ${res.statusText}`);
  }
  return res.json();
}

export async function getFileVersion(fileId: string, version: number): Promise<FileVersion> {
  const res = await authFetch(`${API_BASE}/api/v1/files/${fileId}/versions/${version}`);
  if (!res.ok) {
    throw new Error(`Failed to get version: ${res.statusText}`);
  }
  return res.json();
}

export async function restoreFileVersion(
  fileId: string,
  targetVersion: number,
  currentVersion: number
): Promise<FileDetail> {
  const res = await authFetch(`${API_BASE}/api/v1/files/${fileId}/versions/restore`, {
    method: "POST",
    body: JSON.stringify({ targetVersion, currentVersion }),
  });

  if (res.status === 409) {
    const conflict = (await res.json()) as ConflictErrorResponse;
    throw new VersionConflictError(conflict);
  }

  if (!res.ok) {
    throw new Error(`Failed to restore version: ${res.statusText}`);
  }
  return res.json();
}

/**
 * Sync a file from its linked repository file.
 * Triggers an async operation - the file will be updated when the daemon responds.
 * Returns 202 Accepted if the sync started successfully.
 */
export async function syncFileFromRepo(fileId: string): Promise<{ message: string; fileId: string }> {
  const res = await authFetch(`${API_BASE}/api/v1/files/${fileId}/sync-from-repo`, {
    method: "POST",
  });

  if (!res.ok) {
    const error = await res.json();
    throw new Error(error.message || `Failed to sync file: ${res.statusText}`);
  }
  return res.json();
}

// =============================================================================
// LLM Tool Definitions for Version History
// =============================================================================
// These types define the tools available to the LLM for version history access.
// The backend should implement handlers for these tools.

/**
 * Tool: read_version
 * Allows the LLM to read the content of a specific historical version.
 * This is read-only - it does not modify the document.
 */
export interface ReadVersionToolInput {
  version: number;
}

export interface ReadVersionToolOutput {
  success: boolean;
  version: number;
  body: BodyElement[];
  summary: string | null;
  source: VersionSource;
  createdAt: string;
  changeDescription?: string;
  message: string;
}

/**
 * Tool: list_versions
 * Allows the LLM to list all available versions of the document.
 */
export interface ListVersionsToolOutput {
  success: boolean;
  versions: FileVersionSummary[];
  currentVersion: number;
  message: string;
}

/**
 * Tool: restore_version
 * Allows the LLM to restore the document to a specific historical version.
 * This creates a new version with the content from the target version.
 */
export interface RestoreVersionToolInput {
  targetVersion: number;
  reason?: string;
}

export interface RestoreVersionToolOutput {
  success: boolean;
  previousVersion: number;
  newVersion: number;
  restoredFromVersion: number;
  message: string;
}

// LLM Tool type definitions for the backend
export type LlmVersionTool =
  | { name: "read_version"; input: ReadVersionToolInput }
  | { name: "list_versions"; input: Record<string, never> }
  | { name: "restore_version"; input: RestoreVersionToolInput };

export type LlmVersionToolResult =
  | { name: "read_version"; result: ReadVersionToolOutput }
  | { name: "list_versions"; result: ListVersionsToolOutput }
  | { name: "restore_version"; result: RestoreVersionToolOutput };

// =============================================================================
// Mesh/Task Types for Claude Code Orchestration
// =============================================================================

export type TaskStatus =
  | "pending"
  | "initializing"
  | "starting"
  | "running"
  | "paused"
  | "blocked"
  | "done"
  | "failed"
  | "merged";

export type MergeMode = "pr" | "auto" | "manual";

/** Action to perform when a task completes successfully */
export type CompletionAction = "none" | "branch" | "merge" | "pr";

export type DaemonStatus = "connected" | "disconnected" | "unhealthy";

export interface TaskSummary {
  id: string;
  /** Contract this task belongs to */
  contractId: string | null;
  /** Contract name (joined from contracts table) */
  contractName: string | null;
  /** Contract phase (joined from contracts table) */
  contractPhase: ContractPhase | null;
  /** Contract status (joined from contracts table) */
  contractStatus: ContractStatus | null;
  parentTaskId: string | null;
  depth: number;
  name: string;
  status: TaskStatus;
  priority: number;
  progressSummary: string | null;
  subtaskCount: number;
  /** Whether this is a supervisor task (contract orchestrator) */
  isSupervisor: boolean;
  version: number;
  createdAt: string;
  updatedAt: string;
}

export interface Task {
  id: string;
  ownerId: string;
  /** Contract this task belongs to */
  contractId: string | null;
  parentTaskId: string | null;
  depth: number;
  name: string;
  description: string | null;
  status: TaskStatus;
  priority: number;
  plan: string;

  // Daemon/container info
  daemonId: string | null;
  containerId: string | null;
  overlayPath: string | null;

  // Repository info
  repositoryUrl: string | null;
  baseBranch: string | null;
  targetBranch: string | null;

  // Merge settings
  mergeMode: MergeMode | null;
  prUrl: string | null;

  // Completion action settings
  /** Path to user's local repository for completion actions */
  targetRepoPath: string | null;
  /** Action on completion: "none", "branch", "merge", "pr" */
  completionAction: CompletionAction | null;

  // Progress tracking
  progressSummary: string | null;
  lastOutput: string | null;
  errorMessage: string | null;

  // Timestamps
  startedAt: string | null;
  completedAt: string | null;
  version: number;
  createdAt: string;
  updatedAt: string;

  // Supervisor flag
  isSupervisor: boolean;
}

export interface TaskWithSubtasks extends Task {
  subtasks: TaskSummary[];
}

export interface TaskListResponse {
  tasks: TaskSummary[];
  total: number;
}

export interface CreateTaskRequest {
  /** Contract this task belongs to (required) */
  contractId: string;
  name: string;
  description?: string;
  plan: string;
  parentTaskId?: string;
  priority?: number;
  repositoryUrl?: string;
  baseBranch?: string;
  targetBranch?: string;
  mergeMode?: MergeMode;
  /** Path to user's local repository for completion actions */
  targetRepoPath?: string;
  /** Action on completion: "none", "branch", "merge", "pr" */
  completionAction?: CompletionAction;
}

export interface UpdateTaskRequest {
  name?: string;
  description?: string;
  plan?: string;
  status?: TaskStatus;
  priority?: number;
  progressSummary?: string;
  lastOutput?: string;
  errorMessage?: string;
  mergeMode?: MergeMode;
  prUrl?: string;
  /** Path to user's local repository for completion actions */
  targetRepoPath?: string;
  /** Action on completion: "none", "branch", "merge", "pr" */
  completionAction?: CompletionAction;
  version?: number;
}

export interface TaskEvent {
  id: string;
  taskId: string;
  eventType: string;
  previousStatus: string | null;
  newStatus: string | null;
  eventData: Record<string, unknown> | null;
  createdAt: string;
}

export interface TaskEventListResponse {
  events: TaskEvent[];
  total: number;
}

export interface Daemon {
  id: string;
  ownerId: string;
  connectionId: string;
  hostname: string | null;
  machineId: string | null;
  maxConcurrentTasks: number;
  currentTaskCount: number;
  status: DaemonStatus;
  lastHeartbeatAt: string;
  connectedAt: string;
  disconnectedAt: string | null;
}

export interface DaemonListResponse {
  daemons: Daemon[];
  total: number;
}

// Mesh API functions
export async function listTasks(): Promise<TaskListResponse> {
  const res = await authFetch(`${API_BASE}/api/v1/mesh/tasks`);
  if (!res.ok) {
    throw new Error(`Failed to list tasks: ${res.statusText}`);
  }
  return res.json();
}

export async function getTask(id: string): Promise<TaskWithSubtasks> {
  const res = await authFetch(`${API_BASE}/api/v1/mesh/tasks/${id}`);
  if (!res.ok) {
    throw new Error(`Failed to get task: ${res.statusText}`);
  }
  return res.json();
}

export async function createTask(data: CreateTaskRequest): Promise<Task> {
  const res = await authFetch(`${API_BASE}/api/v1/mesh/tasks`, {
    method: "POST",
    body: JSON.stringify(data),
  });
  if (!res.ok) {
    throw new Error(`Failed to create task: ${res.statusText}`);
  }
  return res.json();
}

export async function updateTask(
  id: string,
  data: UpdateTaskRequest
): Promise<Task> {
  const res = await authFetch(`${API_BASE}/api/v1/mesh/tasks/${id}`, {
    method: "PUT",
    body: JSON.stringify(data),
  });

  if (res.status === 409) {
    const conflict = (await res.json()) as ConflictErrorResponse;
    throw new VersionConflictError(conflict);
  }

  if (!res.ok) {
    throw new Error(`Failed to update task: ${res.statusText}`);
  }
  return res.json();
}

export async function deleteTask(id: string): Promise<void> {
  const res = await authFetch(`${API_BASE}/api/v1/mesh/tasks/${id}`, {
    method: "DELETE",
  });
  if (!res.ok) {
    throw new Error(`Failed to delete task: ${res.statusText}`);
  }
}

export async function startTask(id: string): Promise<Task> {
  const res = await authFetch(`${API_BASE}/api/v1/mesh/tasks/${id}/start`, {
    method: "POST",
  });
  if (!res.ok) {
    const errorText = await res.text();
    throw new Error(`Failed to start task: ${errorText || res.statusText}`);
  }
  return res.json();
}

export async function stopTask(id: string): Promise<Task> {
  const res = await authFetch(`${API_BASE}/api/v1/mesh/tasks/${id}/stop`, {
    method: "POST",
  });
  if (!res.ok) {
    const errorText = await res.text();
    throw new Error(`Failed to stop task: ${errorText || res.statusText}`);
  }
  return res.json();
}

export interface SendMessageResponse {
  success: boolean;
  taskId: string;
  messageLength: number;
}

/**
 * Send a message to a running task's stdin.
 * This can be used to provide input to Claude Code when it's waiting for user input,
 * or to inject context/instructions into a running task.
 */
export async function sendTaskMessage(
  taskId: string,
  message: string
): Promise<SendMessageResponse> {
  const res = await authFetch(`${API_BASE}/api/v1/mesh/tasks/${taskId}/message`, {
    method: "POST",
    body: JSON.stringify({ message }),
  });
  if (!res.ok) {
    const errorText = await res.text();
    throw new Error(`Failed to send message: ${errorText || res.statusText}`);
  }
  return res.json();
}

export interface RetryCompletionResponse {
  success: boolean;
  taskId: string;
  action: string;
  targetRepoPath: string;
  message: string;
}

/**
 * Retry completion action for a completed task.
 * This allows retrying a completion action (push branch, merge, create PR)
 * after filling in the target_repo_path if it wasn't set when the task completed.
 */
export async function retryCompletionAction(
  taskId: string
): Promise<RetryCompletionResponse> {
  const res = await authFetch(`${API_BASE}/api/v1/mesh/tasks/${taskId}/retry-completion`, {
    method: "POST",
  });
  if (!res.ok) {
    const errorText = await res.text();
    throw new Error(`Failed to retry completion action: ${errorText || res.statusText}`);
  }
  return res.json();
}

/** A suggested directory from a connected daemon */
export interface DaemonDirectory {
  /** Path to the directory */
  path: string;
  /** Display label for the directory */
  label: string;
  /** Type of directory: "working", "makima", "worktrees" */
  directoryType: string;
  /** Daemon hostname this directory is from */
  hostname: string | null;
  /** Whether the directory already exists (for validation) */
  exists?: boolean;
}

export interface DaemonDirectoriesResponse {
  directories: DaemonDirectory[];
}

/**
 * Get suggested directories from connected daemons.
 * These can be used as target_repo_path suggestions for completion actions.
 */
export async function getDaemonDirectories(): Promise<DaemonDirectoriesResponse> {
  const res = await authFetch(`${API_BASE}/api/v1/mesh/daemons/directories`);
  if (!res.ok) {
    throw new Error(`Failed to get daemon directories: ${res.statusText}`);
  }
  return res.json();
}

/** Request to clone a worktree */
export interface CloneWorktreeRequest {
  targetDir: string;
}

/** Response from clone worktree */
export interface CloneWorktreeResponse {
  status: string;
  taskId: string;
  targetDir: string;
}

/**
 * Clone a task's worktree to a target directory.
 */
export async function cloneWorktree(
  taskId: string,
  targetDir: string
): Promise<CloneWorktreeResponse> {
  const res = await authFetch(`${API_BASE}/api/v1/mesh/tasks/${taskId}/clone`, {
    method: "POST",
    body: JSON.stringify({ targetDir }),
  });
  if (!res.ok) {
    const errorText = await res.text();
    throw new Error(`Failed to clone worktree: ${errorText || res.statusText}`);
  }
  return res.json();
}

/** Request to check if target exists */
export interface CheckTargetExistsRequest {
  targetDir: string;
}

/** Response from check target exists */
export interface CheckTargetExistsResponse {
  status: string;
  taskId: string;
  targetDir: string;
}

/**
 * Check if a target directory exists.
 */
export async function checkTargetExists(
  taskId: string,
  targetDir: string
): Promise<CheckTargetExistsResponse> {
  const res = await authFetch(`${API_BASE}/api/v1/mesh/tasks/${taskId}/check-target`, {
    method: "POST",
    body: JSON.stringify({ targetDir }),
  });
  if (!res.ok) {
    const errorText = await res.text();
    throw new Error(`Failed to check target: ${errorText || res.statusText}`);
  }
  return res.json();
}

// =============================================================================
// Task Recovery (Daemon Failover)
// =============================================================================

/** Request to reassign a task to a new daemon */
export interface ReassignTaskRequest {
  targetDaemonId?: string;
  includeContext?: boolean;
}

/** Response from reassigning a task */
export interface ReassignTaskResponse {
  task: Task;
  daemonId: string;
  oldTaskId: string;
  contextIncluded: boolean;
  contextEntries: number;
}

/**
 * Reassign a task to a new daemon after daemon disconnect.
 * Creates a new task with conversation context, deletes the old one.
 */
export async function reassignTask(
  taskId: string,
  options?: ReassignTaskRequest
): Promise<ReassignTaskResponse> {
  const res = await authFetch(`${API_BASE}/api/v1/mesh/tasks/${taskId}/reassign`, {
    method: "POST",
    body: JSON.stringify(options || {}),
  });
  if (!res.ok) {
    const errorText = await res.text();
    throw new Error(`Failed to reassign task: ${errorText || res.statusText}`);
  }
  return res.json();
}

/** Request to continue a task */
export interface ContinueTaskRequest {
  targetDaemonId?: string;
}

/** Response from continuing a task */
export interface ContinueTaskResponse {
  task: Task;
  daemonId: string;
  contextEntries: number;
}

/**
 * Continue a task after daemon disconnect by restarting it with conversation context.
 * Unlike reassign, this keeps the same task ID.
 */
export async function continueTask(
  taskId: string,
  options?: ContinueTaskRequest
): Promise<ContinueTaskResponse> {
  const res = await authFetch(`${API_BASE}/api/v1/mesh/tasks/${taskId}/continue`, {
    method: "POST",
    body: JSON.stringify(options || {}),
  });
  if (!res.ok) {
    const errorText = await res.text();
    throw new Error(`Failed to continue task: ${errorText || res.statusText}`);
  }
  return res.json();
}

export async function listSubtasks(taskId: string): Promise<TaskListResponse> {
  const res = await authFetch(`${API_BASE}/api/v1/mesh/tasks/${taskId}/subtasks`);
  if (!res.ok) {
    throw new Error(`Failed to list subtasks: ${res.statusText}`);
  }
  return res.json();
}

export async function listTaskEvents(
  taskId: string
): Promise<TaskEventListResponse> {
  const res = await authFetch(`${API_BASE}/api/v1/mesh/tasks/${taskId}/events`);
  if (!res.ok) {
    throw new Error(`Failed to list task events: ${res.statusText}`);
  }
  return res.json();
}

/** A single output entry from a Claude Code task */
export interface TaskOutputEntry {
  id: string;
  taskId: string;
  /** Message type: "assistant", "tool_use", "tool_result", "result", "system", "error", "raw" */
  messageType: string;
  /** Main text content */
  content: string;
  /** Tool name if tool_use message */
  toolName?: string;
  /** Tool input JSON if tool_use message */
  toolInput?: Record<string, unknown>;
  /** Whether tool result was an error */
  isError?: boolean;
  /** Cost in USD if result message */
  costUsd?: number;
  /** Duration in ms if result message */
  durationMs?: number;
  /** Timestamp when this output was recorded */
  createdAt: string;
}

/** Response from the task output endpoint */
export interface TaskOutputResponse {
  entries: TaskOutputEntry[];
  total: number;
  taskId: string;
}

/**
 * Get task output history.
 * Retrieves all recorded output from a task's Claude Code process.
 * Use this to fetch missed output when subscribing late or reconnecting.
 */
export async function getTaskOutput(
  taskId: string
): Promise<TaskOutputResponse> {
  const res = await authFetch(`${API_BASE}/api/v1/mesh/tasks/${taskId}/output`);
  if (!res.ok) {
    throw new Error(`Failed to get task output: ${res.statusText}`);
  }
  return res.json();
}

export async function listDaemons(): Promise<DaemonListResponse> {
  const res = await authFetch(`${API_BASE}/api/v1/mesh/daemons`);
  if (!res.ok) {
    throw new Error(`Failed to list daemons: ${res.statusText}`);
  }
  return res.json();
}

export async function getDaemon(id: string): Promise<Daemon> {
  const res = await authFetch(`${API_BASE}/api/v1/mesh/daemons/${id}`);
  if (!res.ok) {
    throw new Error(`Failed to get daemon: ${res.statusText}`);
  }
  return res.json();
}

// =============================================================================
// Mesh Chat Types for Task Orchestration
// =============================================================================

export interface MeshChatMessage {
  role: "user" | "assistant";
  content: string;
}

export interface MeshChatRequest {
  message: string;
  model?: LlmModel;
  history?: MeshChatMessage[];
}

export interface MeshToolCallInfo {
  name: string;
  result: {
    success: boolean;
    message: string;
  };
}

export interface MeshChatResponse {
  response: string;
  toolCalls: MeshToolCallInfo[];
  pendingQuestions?: UserQuestion[];
}

// Mesh Chat API functions

// Top-level mesh chat (no specific task context)
export async function chatWithMesh(
  message: string,
  model?: LlmModel,
  history?: MeshChatMessage[]
): Promise<MeshChatResponse> {
  const body: MeshChatRequest = { message };
  if (model) {
    body.model = model;
  }
  if (history && history.length > 0) {
    body.history = history;
  }
  const res = await authFetch(`${API_BASE}/api/v1/mesh/chat`, {
    method: "POST",
    body: JSON.stringify(body),
  });
  if (!res.ok) {
    const errorText = await res.text();
    throw new Error(`Mesh chat failed: ${errorText || res.statusText}`);
  }
  return res.json();
}

// Task-scoped mesh chat
export async function chatWithTask(
  taskId: string,
  message: string,
  model?: LlmModel,
  history?: MeshChatMessage[]
): Promise<MeshChatResponse> {
  const body: MeshChatRequest = { message };
  if (model) {
    body.model = model;
  }
  if (history && history.length > 0) {
    body.history = history;
  }
  const res = await authFetch(`${API_BASE}/api/v1/mesh/tasks/${taskId}/chat`, {
    method: "POST",
    body: JSON.stringify(body),
  });
  if (!res.ok) {
    const errorText = await res.text();
    throw new Error(`Mesh chat failed: ${errorText || res.statusText}`);
  }
  return res.json();
}

// =============================================================================
// Mesh Chat History Types
// =============================================================================

export type MeshChatContextType = "mesh" | "task" | "subtask";

export interface MeshChatContext {
  type: MeshChatContextType;
  taskId?: string;
  parentTaskId?: string;
}

export interface MeshChatMessageRecord {
  id: string;
  conversationId: string;
  role: "user" | "assistant" | "error";
  content: string;
  contextType: MeshChatContextType;
  contextTaskId: string | null;
  toolCalls: MeshToolCallInfo[] | null;
  pendingQuestions: UserQuestion[] | null;
  createdAt: string;
}

export interface MeshChatHistoryResponse {
  conversationId: string;
  messages: MeshChatMessageRecord[];
}

export interface MeshChatWithContextRequest {
  message: string;
  model?: LlmModel;
  contextType?: MeshChatContextType;
  contextTaskId?: string;
}

// =============================================================================
// Mesh Chat History API Functions
// =============================================================================

/**
 * Get the current chat history from the database
 */
export async function getMeshChatHistory(): Promise<MeshChatHistoryResponse> {
  const res = await authFetch(`${API_BASE}/api/v1/mesh/chat/history`);
  if (!res.ok) {
    throw new Error(`Failed to get chat history: ${res.statusText}`);
  }
  return res.json();
}

/**
 * Clear chat history (archives current conversation, starts new one)
 */
export async function clearMeshChatHistory(): Promise<{ success: boolean; conversationId: string }> {
  const res = await authFetch(`${API_BASE}/api/v1/mesh/chat/history`, {
    method: "DELETE",
  });
  if (!res.ok) {
    throw new Error(`Failed to clear chat history: ${res.statusText}`);
  }
  return res.json();
}

/**
 * Chat with mesh using context (new approach with DB history)
 */
export async function chatWithMeshContext(
  message: string,
  context: MeshChatContext,
  model?: LlmModel
): Promise<MeshChatResponse> {
  const body: MeshChatWithContextRequest = {
    message,
    contextType: context.type,
  };

  if (model) {
    body.model = model;
  }

  // Set contextTaskId based on context type
  if (context.type === "task" && context.taskId) {
    body.contextTaskId = context.taskId;
  } else if (context.type === "subtask" && context.taskId) {
    body.contextTaskId = context.taskId;
  }

  // Use top-level endpoint (it now loads history from DB)
  const res = await authFetch(`${API_BASE}/api/v1/mesh/chat`, {
    method: "POST",
    body: JSON.stringify(body),
  });

  if (!res.ok) {
    const errorText = await res.text();
    throw new Error(`Mesh chat failed: ${errorText || res.statusText}`);
  }
  return res.json();
}

// =============================================================================
// API Key Management
// =============================================================================

export interface ApiKeyInfo {
  id: string;
  prefix: string;
  name: string | null;
  lastUsedAt: string | null;
  createdAt: string;
}

export interface CreateApiKeyResponse {
  id: string;
  key: string;
  prefix: string;
  name: string | null;
  createdAt: string;
}

export interface RefreshApiKeyResponse {
  id: string;
  key: string;
  prefix: string;
  name: string | null;
  createdAt: string;
  previousKeyRevoked: boolean;
}

export interface RevokeApiKeyResponse {
  message: string;
  revokedKeyPrefix: string;
}

/**
 * Get information about the current active API key.
 */
export async function getApiKey(): Promise<ApiKeyInfo | null> {
  const res = await authFetch(`${API_BASE}/api/v1/auth/api-keys`);
  if (res.status === 404) {
    return null;
  }
  if (!res.ok) {
    throw new Error(`Failed to get API key: ${res.statusText}`);
  }
  return res.json();
}

/**
 * Create a new API key.
 */
export async function createApiKey(name?: string): Promise<CreateApiKeyResponse> {
  const res = await authFetch(`${API_BASE}/api/v1/auth/api-keys`, {
    method: "POST",
    body: JSON.stringify({ name }),
  });
  if (!res.ok) {
    const errorText = await res.text();
    throw new Error(`Failed to create API key: ${errorText || res.statusText}`);
  }
  return res.json();
}

/**
 * Refresh (rotate) the current API key.
 */
export async function refreshApiKey(name?: string): Promise<RefreshApiKeyResponse> {
  const res = await authFetch(`${API_BASE}/api/v1/auth/api-keys/refresh`, {
    method: "POST",
    body: JSON.stringify({ name }),
  });
  if (!res.ok) {
    const errorText = await res.text();
    throw new Error(`Failed to refresh API key: ${errorText || res.statusText}`);
  }
  return res.json();
}

/**
 * Revoke the current API key.
 */
export async function revokeApiKey(): Promise<RevokeApiKeyResponse> {
  const res = await authFetch(`${API_BASE}/api/v1/auth/api-keys`, {
    method: "DELETE",
  });
  if (!res.ok) {
    const errorText = await res.text();
    throw new Error(`Failed to revoke API key: ${errorText || res.statusText}`);
  }
  return res.json();
}

// =============================================================================
// User Account Management
// =============================================================================

export interface ChangePasswordRequest {
  currentPassword: string;
  newPassword: string;
}

export interface ChangePasswordResponse {
  success: boolean;
  message: string;
}

export interface ChangeEmailRequest {
  password: string;
  newEmail: string;
}

export interface ChangeEmailResponse {
  success: boolean;
  message: string;
  verificationSent: boolean;
}

export interface DeleteAccountRequest {
  password: string;
  confirmation: string;
}

export interface DeleteAccountResponse {
  success: boolean;
  message: string;
}

/**
 * Change the current user's password.
 * Requires current password verification.
 */
export async function changePassword(
  currentPassword: string,
  newPassword: string
): Promise<ChangePasswordResponse> {
  const res = await authFetch(`${API_BASE}/api/v1/users/me/password`, {
    method: "PUT",
    body: JSON.stringify({ currentPassword, newPassword }),
  });
  if (!res.ok) {
    const errorData = await res.json().catch(() => null);
    const errorMessage = errorData?.message || res.statusText;
    throw new Error(errorMessage);
  }
  return res.json();
}

/**
 * Change the current user's email address.
 * Requires password verification.
 */
export async function changeEmail(
  password: string,
  newEmail: string
): Promise<ChangeEmailResponse> {
  const res = await authFetch(`${API_BASE}/api/v1/users/me/email`, {
    method: "PUT",
    body: JSON.stringify({ password, newEmail }),
  });
  if (!res.ok) {
    const errorData = await res.json().catch(() => null);
    const errorMessage = errorData?.message || res.statusText;
    throw new Error(errorMessage);
  }
  return res.json();
}

/**
 * Delete the current user's account.
 * Requires password verification and email confirmation.
 */
export async function deleteAccount(
  password: string,
  confirmation: string
): Promise<DeleteAccountResponse> {
  const res = await authFetch(`${API_BASE}/api/v1/users/me`, {
    method: "DELETE",
    body: JSON.stringify({ password, confirmation }),
  });
  if (!res.ok) {
    const errorData = await res.json().catch(() => null);
    const errorMessage = errorData?.message || res.statusText;
    throw new Error(errorMessage);
  }
  return res.json();
}

// =============================================================================
// Contract Types for Workflow Management
// =============================================================================

/** Contract type determines the workflow and required documents */
export type ContractType = "simple" | "specification" | "task";
export type ContractPhase = "research" | "specify" | "plan" | "execute" | "review";
export type ContractStatus = "active" | "completed" | "archived";
export type RepositorySourceType = "remote" | "local" | "managed";
export type RepositoryStatus = "ready" | "pending" | "creating" | "failed";

/** Get valid phases for a contract type */
export function getValidPhases(contractType: ContractType): ContractPhase[] {
  if (contractType === "simple") {
    return ["plan", "execute"];
  }
  if (contractType === "task") {
    return ["execute"];
  }
  return ["research", "specify", "plan", "execute", "review"];
}

/** Get default initial phase for a contract type */
export function getDefaultPhase(contractType: ContractType): ContractPhase {
  if (contractType === "simple") return "plan";
  if (contractType === "task") return "execute";
  return "research";
}

export interface ContractRepository {
  id: string;
  contractId: string;
  name: string;
  repositoryUrl: string | null;
  localPath: string | null;
  sourceType: RepositorySourceType;
  status: RepositoryStatus;
  isPrimary: boolean;
  createdAt: string;
  updatedAt: string;
}

export interface ContractSummary {
  id: string;
  name: string;
  description: string | null;
  /** Contract type: "simple" or "specification" */
  contractType: ContractType;
  phase: ContractPhase;
  status: ContractStatus;
  /** Supervisor task ID for contract orchestration */
  supervisorTaskId: string | null;
  fileCount: number;
  taskCount: number;
  repositoryCount: number;
  version: number;
  createdAt: string;
}

export interface Contract {
  id: string;
  ownerId: string;
  name: string;
  description: string | null;
  /** Contract type: "simple" or "specification" */
  contractType: ContractType;
  phase: ContractPhase;
  status: ContractStatus;
  /** Supervisor task ID for contract orchestration */
  supervisorTaskId: string | null;
  /** Whether tasks for this contract should run in autonomous loop mode */
  autonomousLoop: boolean;
  /** Whether to wait for user confirmation before progressing to the next phase */
  phaseGuard: boolean;
  version: number;
  createdAt: string;
  updatedAt: string;
}

export interface ContractWithRelations extends Contract {
  repositories: ContractRepository[];
  files: FileSummary[];
  tasks: TaskSummary[];
}

export interface ContractEvent {
  id: string;
  contractId: string;
  eventType: string;
  previousPhase: string | null;
  newPhase: string | null;
  eventData: Record<string, unknown> | null;
  createdAt: string;
}

export interface ContractListResponse {
  contracts: ContractSummary[];
  total: number;
}

export interface CreateContractRequest {
  name: string;
  description?: string;
  /** Contract type: "simple" (default) or "specification" */
  contractType?: ContractType;
  /** Initial phase to start in (defaults based on contract type) */
  initialPhase?: ContractPhase;
}

export interface UpdateContractRequest {
  name?: string;
  description?: string;
  phase?: ContractPhase;
  status?: ContractStatus;
  /** Enable or disable autonomous loop mode */
  autonomousLoop?: boolean;
  /** Enable or disable phase guard mode */
  phaseGuard?: boolean;
  version?: number;
}

export interface AddRemoteRepositoryRequest {
  name: string;
  repositoryUrl: string;
  isPrimary?: boolean;
}

export interface AddLocalRepositoryRequest {
  name: string;
  localPath: string;
  isPrimary?: boolean;
}

export interface CreateManagedRepositoryRequest {
  name: string;
  isPrimary?: boolean;
}

export interface ChangePhaseRequest {
  phase: ContractPhase;
}

// =============================================================================
// Contract API Functions
// =============================================================================

/**
 * List all contracts.
 */
export async function listContracts(): Promise<ContractListResponse> {
  const res = await authFetch(`${API_BASE}/api/v1/contracts`);
  if (!res.ok) {
    throw new Error(`Failed to list contracts: ${res.statusText}`);
  }
  return res.json();
}

/**
 * Get a contract with all its relations.
 */
export async function getContract(id: string): Promise<ContractWithRelations> {
  const res = await authFetch(`${API_BASE}/api/v1/contracts/${id}`);
  if (!res.ok) {
    throw new Error(`Failed to get contract: ${res.statusText}`);
  }
  return res.json();
}

/**
 * Create a new contract.
 */
export async function createContract(
  data: CreateContractRequest
): Promise<ContractSummary> {
  const res = await authFetch(`${API_BASE}/api/v1/contracts`, {
    method: "POST",
    body: JSON.stringify(data),
  });
  if (!res.ok) {
    throw new Error(`Failed to create contract: ${res.statusText}`);
  }
  return res.json();
}

/**
 * Update a contract.
 */
export async function updateContract(
  id: string,
  data: UpdateContractRequest
): Promise<ContractSummary> {
  const res = await authFetch(`${API_BASE}/api/v1/contracts/${id}`, {
    method: "PUT",
    body: JSON.stringify(data),
  });

  if (res.status === 409) {
    const conflict = (await res.json()) as ConflictErrorResponse;
    throw new VersionConflictError(conflict);
  }

  if (!res.ok) {
    throw new Error(`Failed to update contract: ${res.statusText}`);
  }
  return res.json();
}

/**
 * Delete a contract.
 */
export async function deleteContract(id: string): Promise<void> {
  const res = await authFetch(`${API_BASE}/api/v1/contracts/${id}`, {
    method: "DELETE",
  });
  if (!res.ok) {
    throw new Error(`Failed to delete contract: ${res.statusText}`);
  }
}

/**
 * Change contract phase.
 */
export async function changeContractPhase(
  id: string,
  phase: ContractPhase
): Promise<ContractSummary> {
  const res = await authFetch(`${API_BASE}/api/v1/contracts/${id}/phase`, {
    method: "POST",
    body: JSON.stringify({ phase }),
  });
  if (!res.ok) {
    throw new Error(`Failed to change phase: ${res.statusText}`);
  }
  return res.json();
}

/**
 * Get contract event history.
 */
export async function getContractEvents(
  id: string
): Promise<ContractEvent[]> {
  const res = await authFetch(`${API_BASE}/api/v1/contracts/${id}/events`);
  if (!res.ok) {
    throw new Error(`Failed to get events: ${res.statusText}`);
  }
  return res.json();
}

// =============================================================================
// Contract Repository Management
// =============================================================================

/**
 * Add a remote repository to a contract.
 */
export async function addRemoteRepository(
  contractId: string,
  data: AddRemoteRepositoryRequest
): Promise<ContractRepository> {
  const res = await authFetch(
    `${API_BASE}/api/v1/contracts/${contractId}/repositories/remote`,
    {
      method: "POST",
      body: JSON.stringify(data),
    }
  );
  if (!res.ok) {
    throw new Error(`Failed to add remote repository: ${res.statusText}`);
  }
  return res.json();
}

/**
 * Add a local repository to a contract.
 */
export async function addLocalRepository(
  contractId: string,
  data: AddLocalRepositoryRequest
): Promise<ContractRepository> {
  const res = await authFetch(
    `${API_BASE}/api/v1/contracts/${contractId}/repositories/local`,
    {
      method: "POST",
      body: JSON.stringify(data),
    }
  );
  if (!res.ok) {
    throw new Error(`Failed to add local repository: ${res.statusText}`);
  }
  return res.json();
}

/**
 * Create a managed repository (daemon will create it).
 */
export async function createManagedRepository(
  contractId: string,
  data: CreateManagedRepositoryRequest
): Promise<ContractRepository> {
  const res = await authFetch(
    `${API_BASE}/api/v1/contracts/${contractId}/repositories/managed`,
    {
      method: "POST",
      body: JSON.stringify(data),
    }
  );
  if (!res.ok) {
    throw new Error(`Failed to create managed repository: ${res.statusText}`);
  }
  return res.json();
}

/**
 * Delete a repository from a contract.
 */
export async function deleteContractRepository(
  contractId: string,
  repoId: string
): Promise<void> {
  const res = await authFetch(
    `${API_BASE}/api/v1/contracts/${contractId}/repositories/${repoId}`,
    {
      method: "DELETE",
    }
  );
  if (!res.ok) {
    throw new Error(`Failed to delete repository: ${res.statusText}`);
  }
}

/**
 * Set a repository as primary.
 */
export async function setRepositoryPrimary(
  contractId: string,
  repoId: string
): Promise<void> {
  const res = await authFetch(
    `${API_BASE}/api/v1/contracts/${contractId}/repositories/${repoId}/primary`,
    {
      method: "PUT",
    }
  );
  if (!res.ok) {
    throw new Error(`Failed to set repository as primary: ${res.statusText}`);
  }
}

// =============================================================================
// Contract Task Association
// =============================================================================

/**
 * Add a task to a contract.
 */
export async function addTaskToContract(
  contractId: string,
  taskId: string
): Promise<void> {
  const res = await authFetch(
    `${API_BASE}/api/v1/contracts/${contractId}/tasks/${taskId}`,
    {
      method: "POST",
    }
  );
  if (!res.ok) {
    throw new Error(`Failed to add task to contract: ${res.statusText}`);
  }
}

/**
 * Remove a task from a contract.
 */
export async function removeTaskFromContract(
  contractId: string,
  taskId: string
): Promise<void> {
  const res = await authFetch(
    `${API_BASE}/api/v1/contracts/${contractId}/tasks/${taskId}`,
    {
      method: "DELETE",
    }
  );
  if (!res.ok) {
    throw new Error(`Failed to remove task from contract: ${res.statusText}`);
  }
}

// =============================================================================
// Contract Chat Types and API
// =============================================================================

export interface ContractChatRequest {
  message: string;
  model?: LlmModel;
  history?: ChatMessage[];
}

export interface ContractToolCallInfo {
  name: string;
  result: {
    success: boolean;
    message: string;
  };
}

export interface ContractChatResponse {
  response: string;
  toolCalls: ContractToolCallInfo[];
  pendingQuestions?: UserQuestion[];
}

/**
 * Chat with a contract using LLM-powered management tools.
 */
export async function chatWithContract(
  contractId: string,
  message: string,
  model?: LlmModel,
  history?: ChatMessage[]
): Promise<ContractChatResponse> {
  const body: ContractChatRequest = { message };
  if (model) {
    body.model = model;
  }
  if (history && history.length > 0) {
    body.history = history;
  }
  const res = await authFetch(`${API_BASE}/api/v1/contracts/${contractId}/chat`, {
    method: "POST",
    body: JSON.stringify(body),
  });
  if (!res.ok) {
    const errorText = await res.text();
    throw new Error(`Contract chat failed: ${errorText || res.statusText}`);
  }
  return res.json();
}

// Contract chat history types
export interface ContractChatMessage {
  id: string;
  conversationId: string;
  role: "user" | "assistant" | "error";
  content: string;
  toolCalls?: unknown;
  pendingQuestions?: unknown;
  createdAt: string;
}

export interface ContractChatHistoryResponse {
  contractId: string;
  conversationId: string;
  messages: ContractChatMessage[];
}

/** Get contract chat history */
export async function getContractChatHistory(
  contractId: string
): Promise<ContractChatHistoryResponse> {
  const res = await authFetch(
    `${API_BASE}/api/v1/contracts/${contractId}/chat/history`
  );
  if (!res.ok) {
    throw new Error(`Failed to fetch contract chat history: ${res.statusText}`);
  }
  return res.json();
}

/** Clear contract chat history (starts a new conversation) */
export async function clearContractChatHistory(
  contractId: string
): Promise<void> {
  const res = await authFetch(
    `${API_BASE}/api/v1/contracts/${contractId}/chat/history`,
    { method: "DELETE" }
  );
  if (!res.ok) {
    throw new Error(`Failed to clear contract chat history: ${res.statusText}`);
  }
}

// =============================================================================
// Template Types and API
// =============================================================================

export interface TemplateSummary {
  id: string;
  name: string;
  phase: ContractPhase;
  description: string;
  elementCount: number;
}

export interface FileTemplate {
  id: string;
  name: string;
  phase: ContractPhase;
  description: string;
  suggestedBody: BodyElement[];
}

export interface ListTemplatesResponse {
  templates: TemplateSummary[];
}

export async function listTemplates(
  phase?: ContractPhase
): Promise<ListTemplatesResponse> {
  const params = phase ? `?phase=${phase}` : "";
  const res = await authFetch(`${API_BASE}/api/v1/templates${params}`);
  if (!res.ok) {
    throw new Error(`Failed to list templates: ${res.statusText}`);
  }
  return res.json();
}

export async function getTemplate(id: string): Promise<FileTemplate> {
  const res = await authFetch(`${API_BASE}/api/v1/templates/${id}`);
  if (!res.ok) {
    throw new Error(`Failed to get template: ${res.statusText}`);
  }
  return res.json();
}

// =============================================================================
// Supervisor Question Types and Functions
// =============================================================================

export interface PendingQuestion {
  questionId: string;
  taskId: string;
  contractId: string;
  question: string;
  choices: string[];
  context: string | null;
  createdAt: string;
  /** Whether multiple choices can be selected */
  multiSelect?: boolean;
  /** Question type - "general" for regular questions, "phase_confirmation" for phase transitions */
  questionType?: "general" | "phase_confirmation";
  /** Phase confirmation specific data (when questionType is "phase_confirmation") */
  phaseConfirmation?: {
    currentPhase: ContractPhase;
    nextPhase: ContractPhase;
    contractName?: string;
    summary?: string;
    deliverables?: Array<{
      name: string;
      completed: boolean;
    }>;
  };
}

export interface AnswerQuestionRequest {
  response: string;
}

export interface AnswerQuestionResponse {
  success: boolean;
}

/**
 * Get all pending supervisor questions for the current user.
 */
export async function listPendingQuestions(): Promise<PendingQuestion[]> {
  const res = await authFetch(`${API_BASE}/api/v1/mesh/questions`);
  if (!res.ok) {
    throw new Error(`Failed to list questions: ${res.statusText}`);
  }
  return res.json();
}

/**
 * Answer a pending supervisor question.
 */
export async function answerQuestion(
  questionId: string,
  response: string
): Promise<AnswerQuestionResponse> {
  const res = await authFetch(
    `${API_BASE}/api/v1/mesh/questions/${questionId}/answer`,
    {
      method: "POST",
      body: JSON.stringify({ response }),
    }
  );
  if (!res.ok) {
    throw new Error(`Failed to answer question: ${res.statusText}`);
  }
  return res.json();
}

// =============================================================================
// Repository History Types and API
// =============================================================================

export interface RepositoryHistoryEntry {
  id: string;
  ownerId: string;
  name: string;
  repositoryUrl: string | null;
  localPath: string | null;
  sourceType: "remote" | "local";
  useCount: number;
  lastUsedAt: string;
  createdAt: string;
}

export interface RepositoryHistoryListResponse {
  entries: RepositoryHistoryEntry[];
  total: number;
}

/**
 * List all repository history entries.
 * Returns entries ordered by use_count DESC, last_used_at DESC.
 */
export async function listRepositoryHistory(): Promise<RepositoryHistoryListResponse> {
  const res = await authFetch(`${API_BASE}/api/v1/settings/repository-history`);
  if (!res.ok) {
    throw new Error(`Failed to list repository history: ${res.statusText}`);
  }
  return res.json();
}

/**
 * Get repository suggestions based on history.
 * Optionally filter by source type and search query.
 */
export async function getRepositorySuggestions(
  sourceType?: "remote" | "local",
  query?: string,
  limit?: number
): Promise<RepositoryHistoryListResponse> {
  const params = new URLSearchParams();
  if (sourceType) params.append("source_type", sourceType);
  if (query) params.append("query", query);
  if (limit) params.append("limit", limit.toString());

  const queryString = params.toString();
  const url = `${API_BASE}/api/v1/settings/repository-history/suggestions${
    queryString ? `?${queryString}` : ""
  }`;

  const res = await authFetch(url);
  if (!res.ok) {
    throw new Error(`Failed to get repository suggestions: ${res.statusText}`);
  }
  return res.json();
}

/**
 * Delete a repository history entry.
 */
export async function deleteRepositoryHistory(id: string): Promise<void> {
  const res = await authFetch(
    `${API_BASE}/api/v1/settings/repository-history/${id}`,
    {
      method: "DELETE",
    }
  );
  if (!res.ok) {
    throw new Error(`Failed to delete repository history: ${res.statusText}`);
  }
}

// =============================================================================
// Adhoc Task Types (for one-off tasks without supervisor overhead)
// =============================================================================

/** Request payload for creating an adhoc (one-off) task */
export interface AdhocTaskRequest {
  /** Name/description of the task */
  name: string;
  /** The plan/instructions for the task */
  plan: string;
  /** Repository URL (optional) */
  repositoryUrl?: string;
  /** Base branch to work from */
  baseBranch?: string;
}

/** Response for adhoc task creation */
export interface AdhocTaskResponse {
  contract: ContractSummary;
  task: Task;
}

/**
 * Create an adhoc (one-off) task without supervisor overhead.
 * This creates a minimal "task" type contract with a single task.
 * The contract auto-archives when the task completes.
 */
export async function createAdhocTask(
  data: AdhocTaskRequest
): Promise<AdhocTaskResponse> {
  const res = await authFetch(`${API_BASE}/api/v1/tasks/adhoc`, {
    method: "POST",
    body: JSON.stringify(data),
  });
  if (!res.ok) {
    const errorText = await res.text();
    throw new Error(`Failed to create adhoc task: ${errorText || res.statusText}`);
  }
  return res.json();
}

// =============================================================================
// History Types
// =============================================================================

/** History event from the timeline */
export interface HistoryEvent {
  id: string;
  ownerId: string;
  contractId: string | null;
  taskId: string | null;
  eventType: string;
  eventSubtype: string | null;
  phase: string | null;
  eventData: Record<string, unknown>;
  createdAt: string;
}

/** Response for contract history endpoint */
export interface ContractHistoryResponse {
  contractId: string;
  entries: HistoryEvent[];
  totalCount: number;
  cursor: string | null;
}

/** Tool call info in conversation messages */
export interface ToolCallInfo {
  id: string;
  name: string;
  input: Record<string, unknown>;
}

/** Conversation message with optional tool calls */
export interface ConversationMessage {
  id: string;
  role: string;
  content: string;
  timestamp: string;
  toolCalls?: ToolCallInfo[];
  toolName?: string;
  toolInput?: Record<string, unknown>;
  toolResult?: string;
  isError?: boolean;
  tokenCount?: number;
  costUsd?: number;
}

/** Reference to a spawned task in supervisor conversation */
export interface TaskReference {
  taskId: string;
  taskName: string;
  status: string;
  createdAt: string;
  completedAt: string | null;
}

/** Response for supervisor conversation endpoint */
export interface SupervisorConversationResponse {
  contractId: string;
  supervisorTaskId: string;
  phase: string;
  lastActivity: string;
  pendingTaskIds: string[];
  messages: ConversationMessage[];
  spawnedTasks: TaskReference[];
}

/** Response for task conversation endpoint */
export interface TaskConversationResponse {
  taskId: string;
  taskName: string;
  status: string;
  messages: ConversationMessage[];
  totalTokens: number | null;
  totalCost: number | null;
}

/** Query filters for timeline endpoint */
export interface TimelineQueryFilters {
  contractId?: string;
  taskId?: string;
  includeSubtasks?: boolean;
  from?: string;
  to?: string;
  limit?: number;
}

/** Query filters for contract history endpoint */
export interface HistoryQueryFilters {
  phase?: string;
  eventTypes?: string;
  from?: string;
  to?: string;
  limit?: number;
}

/** Task checkpoint */
export interface TaskCheckpoint {
  id: string;
  taskId: string;
  checkpointNumber: number;
  commitSha: string;
  branchName: string;
  message: string;
  filesChanged: Array<{ path: string; action: string }>;
  linesAdded: number;
  linesRemoved: number;
  createdAt: string;
}

// =============================================================================
// History API Functions
// =============================================================================

/**
 * Get contract history timeline.
 */
export async function getContractHistory(
  contractId: string,
  filters?: HistoryQueryFilters
): Promise<ContractHistoryResponse> {
  const params = new URLSearchParams();
  if (filters?.phase) params.append("phase", filters.phase);
  if (filters?.eventTypes) params.append("event_types", filters.eventTypes);
  if (filters?.from) params.append("from", filters.from);
  if (filters?.to) params.append("to", filters.to);
  if (filters?.limit) params.append("limit", filters.limit.toString());

  const query = params.toString();
  const url = `${API_BASE}/api/v1/contracts/${contractId}/history${query ? `?${query}` : ""}`;

  const res = await authFetch(url);
  if (!res.ok) {
    throw new Error(`Failed to get contract history: ${res.statusText}`);
  }
  return res.json();
}

/**
 * Get supervisor conversation history.
 */
export async function getSupervisorConversation(
  contractId: string
): Promise<SupervisorConversationResponse> {
  const res = await authFetch(
    `${API_BASE}/api/v1/contracts/${contractId}/supervisor/conversation`
  );
  if (!res.ok) {
    throw new Error(`Failed to get supervisor conversation: ${res.statusText}`);
  }
  return res.json();
}

/**
 * Get task conversation history.
 */
export async function getTaskConversation(
  taskId: string,
  options?: { includeToolCalls?: boolean; includeToolResults?: boolean; limit?: number }
): Promise<TaskConversationResponse> {
  const params = new URLSearchParams();
  if (options?.includeToolCalls !== undefined)
    params.append("include_tool_calls", options.includeToolCalls.toString());
  if (options?.includeToolResults !== undefined)
    params.append("include_tool_results", options.includeToolResults.toString());
  if (options?.limit) params.append("limit", options.limit.toString());

  const query = params.toString();
  const url = `${API_BASE}/api/v1/mesh/tasks/${taskId}/conversation${query ? `?${query}` : ""}`;

  const res = await authFetch(url);
  if (!res.ok) {
    throw new Error(`Failed to get task conversation: ${res.statusText}`);
  }
  return res.json();
}

/**
 * Get unified timeline for current user.
 */
export async function getTimeline(
  filters?: TimelineQueryFilters
): Promise<ContractHistoryResponse> {
  const params = new URLSearchParams();
  if (filters?.contractId) params.append("contract_id", filters.contractId);
  if (filters?.taskId) params.append("task_id", filters.taskId);
  if (filters?.includeSubtasks !== undefined)
    params.append("include_subtasks", filters.includeSubtasks.toString());
  if (filters?.from) params.append("from", filters.from);
  if (filters?.to) params.append("to", filters.to);
  if (filters?.limit) params.append("limit", filters.limit.toString());

  const query = params.toString();
  const url = `${API_BASE}/api/v1/timeline${query ? `?${query}` : ""}`;

  const res = await authFetch(url);
  if (!res.ok) {
    throw new Error(`Failed to get timeline: ${res.statusText}`);
  }
  return res.json();
}

/**
 * Get task checkpoints.
 */
export async function getTaskCheckpoints(taskId: string): Promise<TaskCheckpoint[]> {
  const res = await authFetch(`${API_BASE}/api/v1/mesh/tasks/${taskId}/checkpoints`);
  if (!res.ok) {
    throw new Error(`Failed to get task checkpoints: ${res.statusText}`);
  }
  return res.json();
}

// =============================================================================
// Resume/Rewind/Fork Types
// =============================================================================

/** Request to rewind a task to a checkpoint */
export interface RewindTaskRequest {
  checkpointId?: string;
  checkpointSha?: string;
  preserveMode: "discard" | "create_branch" | "stash";
  branchName?: string;
}

/** Response from task rewind */
export interface RewindTaskResponse {
  taskId: string;
  rewindedTo: {
    checkpointNumber: number;
    sha: string;
    message: string;
  };
  preservedAs?: {
    stateType: string;
    reference: string;
  };
}

/** Request to fork a task from a checkpoint */
export interface ForkTaskRequest {
  forkFromType: "checkpoint" | "timestamp" | "message_id";
  forkFromValue: string;
  newTaskName: string;
  newTaskPlan: string;
  includeConversation?: boolean;
  createBranch?: boolean;
  branchName?: string;
}

/** Response from task fork */
export interface ForkTaskResponse {
  newTaskId: string;
  sourceTaskId: string;
  forkPoint: {
    forkType: string;
    checkpoint?: TaskCheckpoint;
    timestamp: string;
  };
  branchName?: string;
  conversationIncluded: boolean;
  messageCount?: number;
}

/** Request to resume supervisor */
export interface ResumeSupervisorRequest {
  resumeMode: "continue" | "restart_phase" | "from_checkpoint";
  checkpointId?: string;
  additionalContext?: string;
}

/** Response from supervisor resume */
export interface ResumeSupervisorResponse {
  supervisorTaskId: string;
  daemonId: string | null;
  contractId: string;
  phase: string;
  status: string;
  conversationMessageCount: number;
}

/** Request to rewind supervisor conversation */
export interface RewindConversationRequest {
  toMessageId?: string;
  byMessageCount?: number;
  rewindCode?: boolean;
}

/** Response from conversation rewind */
export interface RewindConversationResponse {
  contractId: string;
  messagesRemoved: number;
  newMessageCount: number;
}

// =============================================================================
// Resume/Rewind/Fork API Functions
// =============================================================================

/**
 * Rewind a task to a checkpoint.
 */
export async function rewindTask(
  taskId: string,
  request: RewindTaskRequest
): Promise<RewindTaskResponse> {
  const res = await authFetch(`${API_BASE}/api/v1/mesh/tasks/${taskId}/rewind`, {
    method: "POST",
    body: JSON.stringify(request),
  });
  if (!res.ok) {
    const errorText = await res.text();
    throw new Error(`Failed to rewind task: ${errorText || res.statusText}`);
  }
  return res.json();
}

/**
 * Fork a task from a checkpoint.
 */
export async function forkTask(
  taskId: string,
  request: ForkTaskRequest
): Promise<ForkTaskResponse> {
  const res = await authFetch(`${API_BASE}/api/v1/mesh/tasks/${taskId}/fork`, {
    method: "POST",
    body: JSON.stringify(request),
  });
  if (!res.ok) {
    const errorText = await res.text();
    throw new Error(`Failed to fork task: ${errorText || res.statusText}`);
  }
  return res.json();
}

/**
 * Resume a supervisor.
 */
export async function resumeSupervisor(
  contractId: string,
  request: ResumeSupervisorRequest
): Promise<ResumeSupervisorResponse> {
  const res = await authFetch(
    `${API_BASE}/api/v1/contracts/${contractId}/supervisor/resume`,
    {
      method: "POST",
      body: JSON.stringify(request),
    }
  );
  if (!res.ok) {
    const errorText = await res.text();
    throw new Error(`Failed to resume supervisor: ${errorText || res.statusText}`);
  }
  return res.json();
}

/**
 * Rewind supervisor conversation.
 */
export async function rewindSupervisorConversation(
  contractId: string,
  request: RewindConversationRequest
): Promise<RewindConversationResponse> {
  const res = await authFetch(
    `${API_BASE}/api/v1/contracts/${contractId}/supervisor/conversation/rewind`,
    {
      method: "POST",
      body: JSON.stringify(request),
    }
  );
  if (!res.ok) {
    const errorText = await res.text();
    throw new Error(`Failed to rewind conversation: ${errorText || res.statusText}`);
  }
  return res.json();
}

/**
 * Resume task from a checkpoint.
 */
export async function resumeFromCheckpoint(
  taskId: string,
  checkpointId: string,
  request: { taskName?: string; plan: string; includeConversation?: boolean }
): Promise<{ taskId: string }> {
  const res = await authFetch(
    `${API_BASE}/api/v1/mesh/tasks/${taskId}/checkpoints/${checkpointId}/resume`,
    {
      method: "POST",
      body: JSON.stringify(request),
    }
  );
  if (!res.ok) {
    const errorText = await res.text();
    throw new Error(`Failed to resume from checkpoint: ${errorText || res.statusText}`);
  }
  return res.json();
}

// =============================================================================
// Supervisor/Autopilot Control Functions
// =============================================================================

/**
 * Start a contract's supervisor task (enable autopilot mode).
 * This is a convenience wrapper around startTask.
 */
export async function startSupervisor(supervisorTaskId: string): Promise<Task> {
  return startTask(supervisorTaskId);
}

/**
 * Stop a contract's supervisor task (pause autopilot mode).
 * This is a convenience wrapper around stopTask.
 */
export async function stopSupervisor(supervisorTaskId: string): Promise<Task> {
  return stopTask(supervisorTaskId);
}

/** Status of the supervisor/autopilot for a contract */
export interface SupervisorStatus {
  supervisorTaskId: string | null;
  status: "not_configured" | "pending" | "starting" | "running" | "paused" | "done" | "failed";
  daemonId: string | null;
  canStart: boolean;
  canStop: boolean;
  canResume: boolean;
}

/**
 * Get the supervisor status for a contract.
 */
export function getSupervisorStatus(
  contract: ContractWithRelations
): SupervisorStatus {
  const supervisorTaskId = contract.supervisorTaskId;

  if (!supervisorTaskId) {
    return {
      supervisorTaskId: null,
      status: "not_configured",
      daemonId: null,
      canStart: false,
      canStop: false,
      canResume: false,
    };
  }

  // Find the supervisor task in the contract's tasks
  const supervisorTask = contract.tasks.find(
    (t) => t.id === supervisorTaskId && t.isSupervisor
  );

  if (!supervisorTask) {
    return {
      supervisorTaskId,
      status: "pending",
      daemonId: null,
      canStart: true,
      canStop: false,
      canResume: false,
    };
  }

  // Map task status to supervisor status
  let status: SupervisorStatus["status"];
  let canStart = false;
  let canStop = false;
  let canResume = false;

  switch (supervisorTask.status) {
    case "pending":
      status = "pending";
      canStart = true;
      break;
    case "initializing":
    case "starting":
      status = "starting";
      canStop = true;
      break;
    case "running":
      status = "running";
      canStop = true;
      break;
    case "paused":
    case "blocked":
      status = "paused";
      canResume = true;
      canStop = true;
      break;
    case "done":
    case "merged":
      status = "done";
      break;
    case "failed":
      status = "failed";
      canResume = true;
      break;
    default:
      status = "pending";
      canStart = true;
  }

  return {
    supervisorTaskId,
    status,
    daemonId: null, // Task summary doesn't have daemon_id, would need full task
    canStart,
    canStop,
    canResume,
  };
}