// 从 Agent-System-Core ts/types.ts 同步（make contracts 生成；Core 为权威）。
// Agent-System-Core 契约的 TypeScript 镜像。
// 线格式契约以 Go 类型（camelCase JSON 标签）与 testdata/golden/*.json 黄金样本为准；
// 本文件手工镜像同一契约，前端按未知 type/字段静默忽略（前向兼容原则）。

export type ID = string;

// ---- 领域模型 ----

export interface Project {
  id: ID; owner?: ID; name: string; createdAt: string; updatedAt: string;
  settings?: Record<string, unknown>;
}

export interface Conversation {
  id: ID; projectId: ID; owner?: ID; title: string; profileId?: ID;
  pinned?: boolean; archived?: boolean;
  allowCrossRead?: boolean; crossPrivate?: boolean;
  permissionMode?: 'default' | 'plan' | 'auto_edit' | '';
  sessionNote?: string;
  /** 无项目对话：服务端内部项目只承载这一条会话，不出现在项目列表里。 */
  scratch?: boolean;
  createdAt: string; updatedAt: string;
}

export type Role = 'user' | 'assistant' | 'system';

export type PartType =
  | 'text' | 'thinking' | 'tool_call' | 'tool_result' | 'artifact_ref'
  | 'hitl' | 'plan' | 'error' | 'card' | 'check';

export interface Part {
  type: PartType;
  text?: string;
  toolCall?: { id: string; name: string; arguments?: string; durationMs?: number };
  toolResult?: { callId: string; status: 'ok' | 'error'; summary?: string; truncated?: boolean };
  artifact?: { artifactId: ID; name: string; kind?: string };
  hitl?: { cardId: ID; question: string; resolved: boolean; answer?: string };
  plan?: PlanSnapshot;
  card?: { kind: string; data: UINode[]; cardId?: ID }; // cardId 非空 = 收件箱卡片引用部件（submit_card）
  error?: { code: string; message: string };
  check?: { passed: boolean; reason?: string }; // 终轮自动检查，过程区一行
  process?: boolean; // run 终态后折叠为摘要行
  durationMs?: number; // thinking 部件的思考时长（毫秒）；工具耗时在 toolCall.durationMs
}

export interface Message {
  id: ID; conversationId: ID; runId?: ID; role: Role;
  parts: Part[]; createdAt: string;
  excluded?: boolean;
  variantGroup?: string;
  variantIndex?: number;
}

export type RunKind = 'conversation' | 'subagent' | 'tool';
export type RunStatus =
  | 'pending' | 'running' | 'waiting_hitl' | 'completed'
  | 'failed' | 'cancelled' | 'interrupted';
export type RunPhase = 'thinking' | 'acting' | 'responding' | 'finalizing' | 'done';

export interface Usage {
  promptTokens: number; completionTokens: number; totalTokens: number;
  durationMs: number; toolCalls: number;
  model?: string;
  // N3 计费拆分（additive；旧记录缺省为 0）：
  // Last* 是最近一次请求的用量，Cache* 是缓存命中累计。
  lastPromptTokens?: number;
  lastCompletionTokens?: number;
  cacheReadTokens?: number;
  cacheWriteTokens?: number;
}

export interface Run {
  id: ID; parentRunId?: ID; conversationId: ID; projectId: ID; owner?: ID;
  kind: RunKind; profileId?: ID; status: RunStatus; phase?: RunPhase;
  agentName?: string; createdAt: string; endedAt?: string;
  usage?: Usage; error?: { code: string; message: string };
}

export interface Artifact {
  id: ID; projectId: ID; owner?: ID; name: string; kind: string; mime?: string;
  size: number; sourceRun?: ID; createdAt: string; updatedAt: string;
}

export interface PlanSnapshot {
  planId: ID; title: string;
  steps: { id: string; text: string; status: 'pending' | 'in_progress' | 'done' | 'skipped'; agentRun?: ID }[];
}

export interface TodoList {
  conversationId: ID;
  items: { id: string; text: string; status: 'pending' | 'in_progress' | 'done' }[];
}

// ---- 流式事件 ----

export type StreamEventType =
  | 'message.delta' | 'thinking.delta'
  | 'tool.call.delta' | 'tool.call' | 'tool.output' | 'tool.result'
  | 'run.phase' | 'run.check' | 'hitl.request' | 'hitl.resolved' | 'plan.update' | 'todo.update'
  | 'agent.spawn' | 'agent.progress' | 'agent.result'
  | 'artifact.created' | 'artifact.updated'
  | 'run.completed' | 'run.failed' | 'error'
  | 'card.created' | 'card.updated' | 'card.status' | 'card.resolved'
  | 'surface.updated';

export interface StreamEvent<P = unknown> {
  seq: number; runId?: ID; conversationId: ID; ts: string; v: number;
  type: StreamEventType; payload?: P;
}

// payload 形状（按 type 判别；未知字段忽略）
export interface MessageDeltaPayload { index: number; text: string }
export interface ToolCallDeltaPayload { index: number; callId?: string; name?: string; delta: string }
export interface ToolOutputPayload { callId: string; stream: 'stdout' | 'stderr'; text: string }
export interface ToolResultPayload { callId: string; status: string; summary?: string; truncated?: boolean; durationMs?: number }
export interface AgentSpawnPayload { agentRun: ID; name: string; task: string }
export interface AgentProgressPayload { agentRun: ID; note?: string; phase?: RunPhase }
export interface AgentResultPayload { agentRun: ID; status: RunStatus; summary?: string }
export interface HITLResolvedPayload { cardId: ID; answer?: string; kind: 'choice' | 'free' | 'timeout' | 'cancelled' }
export interface RunCompletedPayload {
  usage: Usage
  context?: ContextObservation
}

interface ContextSection {
  name: string
  estTokens: number
}

export interface ContextObservation {
  items: string[]
  truncations?: string[]
  estChars: number
  sections?: ContextSection[]
  prefixHash?: string
}
export interface RunCheckPayload { passed: boolean; reason?: string }
export interface RunFailedPayload { code: string; message: string }

// ---- 收件箱卡片 ----

export type CardKind =
  | 'progress' | 'confirm' | 'compare' | 'review-list'
  | 'result' | 'error' | 'status';

export type CardStatus =
  | 'active' | 'action_required' | 'done'
  | 'resolved' | 'failed' | 'dismissed';

export interface ActivityCard {
  id: ID; projectId: ID; conversationId?: ID;
  sourceRunId?: ID; anchorMessageId?: ID;
  kind: CardKind; title: string; status: CardStatus; tone?: string;
  task?: TaskSnapshot;
  body?: UINode[]; actions?: { id: string; label: string; style?: 'primary' | 'default' | 'danger'; command?: string }[];
  pinned?: boolean; createdAt: string; updatedAt: string; work?: WorkCard;
}

export interface WorkCard {
  result?: string; resultVersion: number; readVersion: number; completedAt?: string;
  decision?: WorkDecision;
}
export interface WorkDecision {
  runId?: ID;
  mode: 'single' | 'multiple'; state: 'open' | 'deferred' | 'dispatching' | 'submitted';
  options?: { id: string; label: string }[];
  selectedIds?: string[]; freeText?: string; respondedAt?: string;
}
export interface WorkCardAction {
  resultVersion: number; selectedIds?: string[]; freeText?: string;
}

export interface CardPayload { card: ActivityCard }
export interface CardStatusPayload { cardId: ID; status: CardStatus; tone?: string; note?: string }
export interface CardResolvedPayload { cardId: ID; actionId?: string; answer?: string }

// ---- HITL ----

export type HITLKind = 'choice' | 'input' | 'confirm' | 'form';

export interface HITLChoice {
  id: string; label: string; description: string; impact: string; recommended?: boolean;
}

export interface HITLCard {
  id: ID; runId: ID; conversationId: ID; question: string; kind: HITLKind;
  choices?: HITLChoice[]; allowFreeInput: boolean; freeInputHint?: string;
  timeoutSec?: number | null; form?: UINode[]; createdAt: string; resolved: boolean;
  anchorMessageId?: ID; blocked?: boolean; blockReason?: string;
  detail?: string;
}

export interface HITLResponse {
  cardId: ID; choiceId?: string; freeText?: string; formData?: unknown;
}

// ---- UI 词汇 ----

export type UINodeType =
  | 'section' | 'list' | 'kv' | 'form' | 'markdown' | 'doc-ref' | 'actions' | 'chart-lite'
  | 'avatar' | 'progress' | 'compare' | 'tree' | 'table' | 'steps' | 'tabs' | 'timeline';

export interface UINode {
  type: UINodeType;
  /** Surface 层节点级标注（Generative UI U2）：整页唯一稳定 id 与事实来源标识，旧路径不填。 */
  id?: string;
  source?: string[];
  title?: string;
  items?: string[];
  kv?: [string, string][];
  fields?: UIField[];
  markdown?: string;
  docId?: ID;
  actions?: { id: string; label: string; style?: 'primary' | 'default' | 'danger' }[];
  chart?: { kind: 'bar' | 'line'; labels: string[]; series: number[] };
  children?: UINode[];

  avatar?: { name?: string; sub?: string; tone?: string; stack?: { name?: string; sub?: string; tone?: string }[] };
  progress?: { label?: string; value: number; tone?: string };
  compare?: {
    left: { title?: string; tone?: string; nodes?: UINode[] };
    right: { title?: string; tone?: string; nodes?: UINode[] };
  };
  tree?: {
    nodes: {
      id: string; label: string; tone?: string; badge?: string; count?: number;
      selected?: boolean; children?: unknown[];
    }[];
  };
  table?: {
    columns: { key: string; label: string }[];
    rows: { id?: string; cells: [string, string][]; actions?: UINode['actions'] }[];
  };
  steps?: { current: number; steps: { label: string; status?: 'pending' | 'active' | 'done' | 'failed'; tone?: string }[] };
  tabs?: { active?: string; tabs: { id: string; label: string; nodes?: UINode[] }[] };
  timeline?: { items: { time?: string; title: string; tone?: string; markdown?: string; ref?: string }[] };
}

export interface UIField {
  key: string; label: string;
  type: 'text' | 'textarea' | 'number' | 'boolean' | 'select';
  options?: string[]; required?: boolean; placeholder?: string; help?: string; default?: string;
}

// ---- 提示词库（prompt-library）----

export interface PromptTrigger {
  kind: 'intent' | 'command' | 'attachment' | 'manual';
  keywords?: string[]; command?: string;
}

export interface PromptModule {
  id: string; layer: 'base' | 'env' | 'task' | 'agent' | 'tool' | 'aux' | 'style';
  version: number; title: string; description?: string; priority?: number;
  triggers?: PromptTrigger[]; requiresAttachments?: boolean;
  body: string; outputContract?: string;
  source?: 'builtin' | 'plugin' | 'user'; owner?: string;
  basedOnVersion?: number; drifted?: boolean; disabled?: boolean;
  /** 子代理 profile。只对 agent.sub.* 有意义；空字段表示沿用内置。 */
  tools?: string[]; model?: string; maxTurns?: number;
}

export interface PromptBlock { moduleId: string; version: number; layer: string; body: string; }
export interface PromptHitRecord { moduleId: string; layer: string; reason: string; injected: boolean; }

// ---- 画像 / 设置 ----

export interface AgentProfile {
  id: string; owner?: string; name: string; description?: string; builtin?: boolean; source?: string;
  systemPrompt: string;
  /** 提示词库模块引用（有序；空 = 默认 base+env 全集）。 */
  promptModules?: string[];
  model: { chat?: string; lightweight?: string; embedding?: string; rerank?: string };
  tools: { allow: string[]; deny?: string[]; confirm?: string[] };
  context: {
    maxHistoryMessages: number; summarizeBeyond?: boolean;
    memoryBudgetPct?: number; knowledgeBudgetPct?: number; maxToolResultChars?: number;
  };
  hitl: { askOnAmbiguity: boolean; timeoutSec?: number | null };
  budget: { maxTokens?: number | null; maxToolCalls?: number | null; maxTurns?: number | null };
}

export interface SettingDesc {
  key: string; group: string; label: string; description?: string;
  type: 'string' | 'number' | 'boolean' | 'enum' | 'secret';
  default?: unknown; options?: string[];
  effect: 'hot' | 'new-run' | 'restart';
  secret?: boolean;
  /** P2 受管：system = 系统受管项，仅系统管理面可写（用户/项目层拒绝）。 */
  scope?: 'system';
}

// ---- 插件 ----

export interface PluginManifest {
  id: string; name: string; version: string; apiVersion: string;
  requires?: { network?: string[] };
  provides: {
    tools?: string[]; workflows?: string[]; intents?: string[];
    prompts?: string[]; panels?: string[]; cards?: string[]; settings?: string[];
    commands?: string[]; workspaces?: string[];
    skills?: string[]; mcpServers?: string[]; knowledge?: string[];
    parsers?: string[]; agents?: string[]; channels?: string[]; pages?: string[];
  };
  scope?: { tenants?: string[]; projects?: string[] };
  backend?: { mode?: 'inproc' | 'sidecar'; command?: string; args?: string[]; schemaVersion?: number };
}

export interface PluginPanel {
  id: string; title: string; icon?: string; body: UINode[]; refreshTool?: string;
}

/** 模板占位符：{{input}}、{{slots.<key>}}、{{steps.<id>.output}}。 */
export interface WorkflowDef {
  id: string; title: string; description?: string; intentId?: string;
  /** 整条工作流的 critic 重试上限。 */
  maxRetries?: number;
  steps: WorkflowStep[];
}

export interface StepCritic {
  criteria: string;
  /** 本步重试上限；缺省 1 次。 */
  maxRetries?: number;
}

export interface WorkflowStep {
  id: string; title: string;
  kind: 'prompt' | 'tool' | 'hitl' | 'artifact' | 'card' | 'script';
  prompt?: string;
  /** prompt 步骤的子代理 profile，缺省 general。 */
  agent?: string;
  tool?: string;
  args?: unknown;
  hitl?: { question: string; kind: HITLKind; choices?: HITLChoice[]; allowFreeInput: boolean; freeInputHint?: string };
  artifact?: string;
  card?: { kind: CardKind; title: string; tone?: string; body?: UINode[]; actions?: { id: string; label: string; style?: 'primary' | 'default' | 'danger'; command?: string }[] };
  /** script 步骤在插件目录内的相对路径。 */
  script?: string;
  critic?: StepCritic;
}

export interface PluginWorkspace {
  id: string; title: string; icon?: string; shortcut?: string;
  badgeTool?: string; body: UINode[]; refreshTool?: string;
}

export interface PluginPageDecl {
  id: string; title: string; module: string;
}

// ---- 摄取 / 检索 ----

export interface ParsedDocument {
  meta: {
    filename: string; mime?: string; parser: string; confidence?: number; origin?: DocumentOrigin;
    crossCheck?: { with: string; diffBlocks: number; verdict: 'agree' | 'differ' };
    parsedAt: string;
  };
  blocks: {
    type: 'heading' | 'para' | 'list' | 'table' | 'code' | 'image-ref';
    level?: number; text?: string; items?: string[];
    rows?: string[][]; ref?: string; confidence?: number;
  }[];
  warnings?: string[];
}

export interface RetrievalHit {
  doc: { id: ID; owner?: ID; projectId?: ID; source: string; title: string; ref?: string; chunk: string; createdAt: string };
  score: number; kind: 'fulltext' | 'vector' | 'plugin';
}

export interface UploadInfo {
  artifactId: ID; filename: string; mime?: string; size: number;
  parsed?: ParsedDocument;
}

// ---- Generative UI Surface（提案 U2/U4；与 Go surface.go 同步）----

export interface SurfaceCompat {
  schemaVersion: number;
  catalogVersion: string;
  pluginVersion?: string;
}

export interface SurfaceIdentity {
  surfaceId: ID;
  owner: string;
  projectId?: ID;
  conversationId?: ID;
  sourceRunId?: ID;
  pluginId: string;
}

export interface SurfaceSpec {
  title: string;
  nodes: UINode[];
}

export interface SurfaceSnapshot {
  identity: SurfaceIdentity;
  compat: SurfaceCompat;
  revision: number;
  baseRevision?: number;
  contextVersion?: string;
  activationEpoch: number;
  spec: SurfaceSpec;
  semanticText?: string;
}

export interface SurfaceMeta {
  surfaceId: ID;
  title: string;
  pluginId: string;
  revision: number;
  conversationId?: ID;
  updatedAt: string;
}

// Persistent work projection; host-owned identities and revisions.
export interface DocumentOrigin { artifactId: ID; contentHash: string; parserRevision: string }
export interface TaskPhase { id: string; label: string; observedAt?: string }
export interface TaskSourceRef { id: string; artifactId: ID; contentHash: string; parserRevision: string; blockIndex: number; label: string; quote?: string; availability?: string }
export interface TaskResultRef { artifactId?: ID; surfaceId?: ID; version?: string; contentHash?: string; availability: string; name?: string }
export interface TaskFinding { id: string; text: string; impact?: string; kind: string; status: string; revision: number; sources: TaskSourceRef[]; assumptions?: string; corrects?: string }
export interface TaskSnapshot {
	inputs?: TaskSourceRef[]
 limitations?: string[]
 schemaVersion: number; taskId: ID; attemptId: ID; cardId: ID; projectId: ID; conversationId: ID;
 sourceMessageId?: ID; parentRunId?: ID; runId?: ID; ownerInstanceId: string; executionEpoch?: number;
 revision: number; sourceSeq: number; streamScope: string; inputRevision?: string; title: string; goal?: string;
 executionState: 'queued'|'running'|'awaiting_user'|'completed'|'failed'|'interrupted'; outcomeCompleteness: 'none'|'partial'|'complete'; deliveryState: 'pending'|'available'|'reported'; phase: TaskPhase;
 focus?: string; coverage?: string; remaining?: string; nextStep?: string; conclusion?: string;
 findings?: TaskFinding[]; actions?: UIAction[]; resultRefs?: TaskResultRef[]; lastActivityAt?: string; lastMeaningfulUpdateAt?: string;
 checkpointKeys?: Record<string,string>; checkpointCount?: number; checkpointSeq?: number;
}
export interface TaskSourceQuote { sourceId: string; blockIndex: number; quote: string }
interface WorkEvidencePremise { role: "total" | "phase" | "dependent" | "direct_relation"; sourceIndex: number; value?: number }
interface WorkFindingEvidence { mode: "direct_relation" | "difference" | "unresolved_relation"; premises: WorkEvidencePremise[]; result?: number }
export interface WorkFindingCandidate { findingKey: string; text: string; impact?: string; kind: string; assumptions?: string; corrects?: string; sources: TaskSourceQuote[]; evidence?: WorkFindingEvidence }
export interface WorkCheckpointCandidate { checkpointId: string; phaseId: string; focus?: string; remaining?: string; nextStep?: string; findings: WorkFindingCandidate[] }

export interface UIAction { id: string; label: string; style?: string; command?: string }