better chat ui

src/servers/api/pi/types.ts

@@ -152,3 +152,92 @@ export type ModelInfo = {
   reasoning?: boolean;
   images?: boolean;
 };
+
+// ── Pi-native JSONL types ──────────────────────────────────────────────
+
+export type JnlSessionHeader = {
+  type: 'session';
+  version: 3;
+  id: string;
+  timestamp: string;
+  cwd: string;
+};
+
+export type JnlEntryBase = {
+  type: string;
+  id: string;
+  parentId?: string;
+  timestamp: string;
+};
+
+export type JnlTextContent = {
+  type: 'text';
+  text: string;
+};
+
+export type JnlToolCall = {
+  type: 'tool_use';
+  id: string;
+  name: string;
+  input: Record<string, unknown>;
+};
+
+export type JnlUserMessage = JnlEntryBase & {
+  type: 'message';
+  message: {
+    role: 'user';
+    content: string;
+  };
+};
+
+export type JnlAssistantMessage = JnlEntryBase & {
+  type: 'message';
+  message: {
+    role: 'assistant';
+    content: Array<JnlTextContent | JnlToolCall>;
+  };
+};
+
+export type JnlToolResultMessage = JnlEntryBase & {
+  type: 'message';
+  message: {
+    role: 'toolResult';
+    toolCallId: string;
+    toolName: string;
+    content: Array<JnlTextContent>;
+    isError?: boolean;
+  };
+};
+
+export type JnlMessageEntry = JnlUserMessage | JnlAssistantMessage | JnlToolResultMessage;
+
+export type JnlSessionInfoEntry = JnlEntryBase & {
+  type: 'session_info';
+  name: string;
+  officer?: {
+    cost: MessageCost;
+    model: string;
+    groupSlug?: string | null;
+    messageCount: number;
+    createdAt: number;
+    updatedAt: number;
+  };
+};
+
+export type JnlEntry = JnlMessageEntry | JnlSessionInfoEntry;
+
+// ── Session Index ──────────────────────────────────────────────────────
+
+export type SessionIndexEntry = {
+  file: string;
+  title: string;
+  model: string;
+  cwd: string;
+  createdAt: number;
+  updatedAt: number;
+  messageCount: number;
+  cost: MessageCost;
+  groupSlug?: string | null;
+};
+
+export type SessionIndex = Record<string, SessionIndexEntry>;