@copilotkit/react-core/dist/chunk-7GIBHX6X.mjs.map

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{"version":3,"sources":["../src/hooks/use-coagent-state-render-bridge.helpers.ts"],"sourcesContent":["import { dataToUUID, parseJson } from \"@copilotkit/shared\";\n\nexport enum RenderStatus {\n  InProgress = \"inProgress\",\n  Complete = \"complete\",\n}\n\nexport enum ClaimAction {\n  Create = \"create\",\n  Override = \"override\",\n  Existing = \"existing\",\n  Block = \"block\",\n}\n\nexport interface StateRenderContext {\n  agentId: string;\n  stateRenderId: string;\n  messageId: string;\n  runId: string;\n  messageIndex?: number;\n}\n\nexport interface Claim {\n  stateRenderId: string;\n  runId?: string;\n  stateSnapshot?: any;\n  locked?: boolean;\n  messageIndex?: number;\n}\n\nexport type ClaimsByMessageId = Record<string, Claim>;\n\nexport interface ClaimResolution {\n  canRender: boolean;\n  action: ClaimAction;\n  nextClaim?: Claim;\n  lockOthers?: boolean;\n  updateRunId?: string;\n}\n\nexport interface SnapshotCaches {\n  byStateRenderAndRun: Record<string, any>;\n  byMessageId: Record<string, any>;\n}\n\nexport interface SnapshotSelectionInput {\n  messageId: string;\n  messageName?: string;\n  allowLiveState?: boolean;\n  skipLatestCache?: boolean;\n  stateRenderId?: string;\n  effectiveRunId: string;\n  stateSnapshotProp?: any;\n  agentState?: any;\n  agentMessages?: Array<{ id: string; role?: string }>;\n  existingClaim?: Claim;\n  caches: SnapshotCaches;\n}\n\nexport interface SnapshotSelectionResult {\n  snapshot?: any;\n  hasSnapshotKeys: boolean;\n  cachedSnapshot?: any;\n  allowEmptySnapshot?: boolean;\n  snapshotForClaim?: any;\n}\n\nfunction getStateWithoutConstantKeys(state: any) {\n  if (!state) return {};\n  const { messages, tools, copilotkit, ...stateWithoutConstantKeys } = state;\n  return stateWithoutConstantKeys;\n}\n\n// Function that compares states, without the constant keys\nexport function areStatesEquals(a: any, b: any) {\n  if ((a && !b) || (!a && b)) return false;\n  const { messages, tools, copilotkit, ...aWithoutConstantKeys } = a;\n  const {\n    messages: bMessages,\n    tools: bTools,\n    copilotkit: bCopilotkit,\n    ...bWithoutConstantKeys\n  } = b;\n\n  return (\n    JSON.stringify(aWithoutConstantKeys) ===\n    JSON.stringify(bWithoutConstantKeys)\n  );\n}\n\nexport function isPlaceholderMessageId(messageId: string | undefined) {\n  return !!messageId && messageId.startsWith(\"coagent-state-render-\");\n}\n\nexport function isPlaceholderMessageName(messageName: string | undefined) {\n  return messageName === \"coagent-state-render\";\n}\n\nexport function readCachedMessageEntry(entry: any): {\n  snapshot?: any;\n  runId?: string;\n} {\n  if (!entry || typeof entry !== \"object\") {\n    return { snapshot: entry, runId: undefined };\n  }\n  const snapshot = \"snapshot\" in entry ? entry.snapshot : entry;\n  const runId = \"runId\" in entry ? entry.runId : undefined;\n  return { snapshot, runId };\n}\n\nexport function getEffectiveRunId({\n  existingClaimRunId,\n  cachedMessageRunId,\n  runId,\n}: {\n  existingClaimRunId?: string;\n  cachedMessageRunId?: string;\n  runId?: string;\n}) {\n  return existingClaimRunId || cachedMessageRunId || runId || \"pending\";\n}\n\n/**\n * Resolve whether a message can claim a render slot.\n * This is a pure decision function; the caller applies claim mutations.\n */\nexport function resolveClaim({\n  claims,\n  context,\n  stateSnapshot,\n}: {\n  claims: ClaimsByMessageId;\n  context: StateRenderContext;\n  stateSnapshot?: any;\n}): ClaimResolution {\n  const { messageId, stateRenderId, runId, messageIndex } = context;\n  const existing = claims[messageId];\n\n  if (existing) {\n    const canRender = existing.stateRenderId === stateRenderId;\n    const shouldUpdateRunId =\n      canRender && runId && (!existing.runId || existing.runId === \"pending\");\n    return {\n      canRender,\n      action: canRender ? ClaimAction.Existing : ClaimAction.Block,\n      updateRunId: shouldUpdateRunId ? runId : undefined,\n    };\n  }\n\n  const normalizedRunId = runId ?? \"pending\";\n  const renderClaimedByOtherMessageEntry = Object.entries(claims).find(\n    ([, claim]) =>\n      claim.stateRenderId === stateRenderId &&\n      (claim.runId ?? \"pending\") === normalizedRunId &&\n      dataToUUID(getStateWithoutConstantKeys(claim.stateSnapshot)) ===\n        dataToUUID(getStateWithoutConstantKeys(stateSnapshot)),\n  );\n\n  const renderClaimedByOtherMessage = renderClaimedByOtherMessageEntry?.[1];\n  const claimedMessageId = renderClaimedByOtherMessageEntry?.[0];\n\n  if (renderClaimedByOtherMessage) {\n    if (\n      messageIndex !== undefined &&\n      renderClaimedByOtherMessage.messageIndex !== undefined &&\n      messageIndex > renderClaimedByOtherMessage.messageIndex\n    ) {\n      return {\n        canRender: true,\n        action: ClaimAction.Override,\n        nextClaim: { stateRenderId, runId, messageIndex },\n        lockOthers:\n          runId === renderClaimedByOtherMessage.runId ||\n          isPlaceholderMessageId(claimedMessageId),\n      };\n    }\n\n    if (\n      runId &&\n      renderClaimedByOtherMessage.runId &&\n      runId !== renderClaimedByOtherMessage.runId\n    ) {\n      return {\n        canRender: true,\n        action: ClaimAction.Override,\n        nextClaim: { stateRenderId, runId, messageIndex },\n        lockOthers: isPlaceholderMessageId(claimedMessageId),\n      };\n    }\n\n    if (isPlaceholderMessageId(claimedMessageId)) {\n      return {\n        canRender: true,\n        action: ClaimAction.Override,\n        nextClaim: { stateRenderId, runId, messageIndex },\n        lockOthers: true,\n      };\n    }\n\n    if (\n      stateSnapshot &&\n      renderClaimedByOtherMessage.stateSnapshot &&\n      !areStatesEquals(renderClaimedByOtherMessage.stateSnapshot, stateSnapshot)\n    ) {\n      return {\n        canRender: true,\n        action: ClaimAction.Override,\n        nextClaim: { stateRenderId, runId },\n      };\n    }\n\n    return { canRender: false, action: ClaimAction.Block };\n  }\n\n  if (!runId) {\n    return { canRender: false, action: ClaimAction.Block };\n  }\n\n  return {\n    canRender: true,\n    action: ClaimAction.Create,\n    nextClaim: { stateRenderId, runId, messageIndex },\n  };\n}\n\n/**\n * Select the best snapshot to render for this message.\n * Priority order is:\n * 1) explicit message snapshot\n * 2) live agent state (latest assistant only)\n * 3) cached snapshot for message\n * 4) cached snapshot for stateRenderId+runId\n * 5) last cached snapshot for stateRenderId\n */\nexport function selectSnapshot({\n  messageId,\n  messageName,\n  allowLiveState,\n  skipLatestCache,\n  stateRenderId,\n  effectiveRunId,\n  stateSnapshotProp,\n  agentState,\n  agentMessages,\n  existingClaim,\n  caches,\n}: SnapshotSelectionInput): SnapshotSelectionResult {\n  const lastAssistantId = agentMessages\n    ? [...agentMessages].reverse().find((msg) => msg.role === \"assistant\")?.id\n    : undefined;\n  const latestSnapshot =\n    stateRenderId !== undefined\n      ? caches.byStateRenderAndRun[`${stateRenderId}::latest`]\n      : undefined;\n  const messageIndex = agentMessages\n    ? agentMessages.findIndex((msg) => msg.id === messageId)\n    : -1;\n  const messageRole =\n    messageIndex >= 0 && agentMessages\n      ? agentMessages[messageIndex]?.role\n      : undefined;\n  let previousUserMessageId: string | undefined;\n  if (messageIndex > 0 && agentMessages) {\n    for (let i = messageIndex - 1; i >= 0; i -= 1) {\n      if (agentMessages[i]?.role === \"user\") {\n        previousUserMessageId = agentMessages[i]?.id;\n        break;\n      }\n    }\n  }\n  const liveStateIsStale =\n    stateSnapshotProp === undefined &&\n    latestSnapshot !== undefined &&\n    agentState !== undefined &&\n    areStatesEquals(latestSnapshot, agentState);\n  const shouldUseLiveState =\n    (Boolean(allowLiveState) ||\n      !lastAssistantId ||\n      messageId === lastAssistantId) &&\n    !liveStateIsStale;\n  const snapshot = stateSnapshotProp\n    ? parseJson(stateSnapshotProp, stateSnapshotProp)\n    : shouldUseLiveState\n      ? agentState\n      : undefined;\n  const hasSnapshotKeys = !!(snapshot && Object.keys(snapshot).length > 0);\n  const allowEmptySnapshot =\n    snapshot !== undefined &&\n    !hasSnapshotKeys &&\n    (stateSnapshotProp !== undefined || shouldUseLiveState);\n\n  const messageCacheEntry = caches.byMessageId[messageId];\n  const cachedMessageSnapshot =\n    readCachedMessageEntry(messageCacheEntry).snapshot;\n  const cacheKey =\n    stateRenderId !== undefined\n      ? `${stateRenderId}::${effectiveRunId}`\n      : undefined;\n  let cachedSnapshot = cachedMessageSnapshot ?? caches.byMessageId[messageId];\n  if (\n    cachedSnapshot === undefined &&\n    cacheKey &&\n    caches.byStateRenderAndRun[cacheKey] !== undefined\n  ) {\n    cachedSnapshot = caches.byStateRenderAndRun[cacheKey];\n  }\n  if (\n    cachedSnapshot === undefined &&\n    stateRenderId &&\n    previousUserMessageId &&\n    caches.byStateRenderAndRun[\n      `${stateRenderId}::pending:${previousUserMessageId}`\n    ] !== undefined\n  ) {\n    cachedSnapshot =\n      caches.byStateRenderAndRun[\n        `${stateRenderId}::pending:${previousUserMessageId}`\n      ];\n  }\n  if (\n    cachedSnapshot === undefined &&\n    !skipLatestCache &&\n    stateRenderId &&\n    messageRole !== \"assistant\" &&\n    (stateSnapshotProp !== undefined ||\n      (agentState && Object.keys(agentState).length > 0))\n  ) {\n    cachedSnapshot = caches.byStateRenderAndRun[`${stateRenderId}::latest`];\n  }\n\n  const snapshotForClaim = existingClaim?.locked\n    ? 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