specs/project.md 36:GET /project/:projectID/session/:sessionID/message -> { info: Message, parts: Part[] }[] 38:GET /project/:projectID/session/:sessionID/message/:messageID -> { info: Message, parts: Part[] } 40:POST /project/:projectID/session/:sessionID/message -> { info: Message, parts: Part[] } specs/07-ui-i18n-audit.md 15:- `packages/ui/` currently has **hardcoded English UI copy** in several components (notably `session-turn.tsx`, `session-review.tsx`, `message-part.tsx`). 113:### 3) `packages/ui/src/components/message-part.tsx` 147:5. Completed (2026-01-20): Convert `packages/ui/src/components/message-part.tsx`. packages/web/src/content/docs/server.mdx 164:| `POST` | `/session/:id/revert` | Revert a message | body: `{ messageID, partID? }`, returns `boolean` | 174:| `GET` | `/session/:id/message` | List messages in a session | query: `limit?`, returns `{ info: `Message`, parts: `Part[]`}[]` | 175:| `POST` | `/session/:id/message` | Send a message and wait for response | body: `{ messageID?, model?, agent?, noReply?, system?, tools?, parts }`, returns `{ info: `Message`, parts: `Part[]`}` | 176:| `GET` | `/session/:id/message/:messageID` | Get message details | Returns `{ info: `Message`, parts: `Part[]`}` | 178:| `POST` | `/session/:id/command` | Execute a slash command | body: `{ messageID?, agent?, model?, command, arguments }`, returns `{ info: `Message`, parts: `Part[]`}` | 179:| `POST` | `/session/:id/shell` | Run a shell command | body: `{ agent, model?, command }`, returns `{ info: `Message`, parts: `Part[]`}` | packages/web/src/content/docs/sdk.mdx 99:import type { Session, Message, Part } from "@opencode-ai/sdk" 242:| `session.messages({ path })` | List messages in a session | Returns `{ info: `Message`, parts: `Part[]`}[]` | 243:| `session.message({ path })` | Get message details | Returns `{ info: `Message`, parts: `Part[]`}` | 245:| `session.command({ path, body })` | Send command to session | Returns `{ info: `AssistantMessage`, parts: `Part[]`}` | packages/web/src/content/docs/plugins.mdx 166:- `message.part.removed` 167:- `message.part.updated` github/index.ts 534: if (evt.type === "message.part.updated") { packages/web/src/components/share/part.tsx 40: part: MessageV2.Part 75: 78: 134: {props.message.role === "user" && props.part.type === "text" && ( 139: {props.message.role === "assistant" && props.part.type === "text" && ( 155: {props.message.role === "assistant" && props.part.type === "reasoning" && ( 171: {props.message.role === "user" && props.part.type === "file" && ( 177: {props.message.role === "user" && props.part.type === "file" && ( 304: id: MessageV2.ToolPart["id"] 305: tool: MessageV2.ToolPart["tool"] packages/web/src/components/Share.tsx 12:type MessageWithParts = MessageV2.Info & { parts: MessageV2.Part[] } 56: messages: Record 131: d.content.parts = d.content.parts ?? store.messages[messageID]?.parts ?? [] 135: setStore("messages", d.content.messageID, "parts", (arr) => { 258: messages: [] as MessageWithParts[], 367: data().messages.length === msgIndex() + 1 && filteredParts().length === partIndex() + 1, 499:export function fromV1(v1: Message.Info): MessageWithParts { 526: parts: v1.parts.flatMap((part, index): MessageV2.Part[] => { 602: parts: v1.parts.flatMap((part, index): MessageV2.Part[] => { packages/ui/src/i18n/zht.ts 32: "ui.messagePart.diagnostic.error": "錯誤", 33: "ui.messagePart.title.edit": "編輯", 34: "ui.messagePart.title.write": "寫入", 35: "ui.messagePart.option.typeOwnAnswer": "輸入自己的答案", 36: "ui.messagePart.review.title": "檢查你的答案", packages/ui/src/i18n/zh.ts 32: "ui.messagePart.diagnostic.error": "错误", 33: "ui.messagePart.title.edit": "编辑", 34: "ui.messagePart.title.write": "写入", 35: "ui.messagePart.option.typeOwnAnswer": "输入自己的答案", 36: "ui.messagePart.review.title": "检查你的答案", packages/ui/src/i18n/ru.ts 28: "ui.messagePart.diagnostic.error": "Ошибка", 29: "ui.messagePart.title.edit": "Редактировать", 30: "ui.messagePart.title.write": "Написать", 31: "ui.messagePart.option.typeOwnAnswer": "Введите свой ответ", 32: "ui.messagePart.review.title": "Проверьте ваши ответы", packages/ui/src/i18n/pl.ts 28: "ui.messagePart.diagnostic.error": "Błąd", 29: "ui.messagePart.title.edit": "Edycja", 30: "ui.messagePart.title.write": "Pisanie", 31: "ui.messagePart.option.typeOwnAnswer": "Wpisz własną odpowiedź", 32: "ui.messagePart.review.title": "Przejrzyj swoje odpowiedzi", packages/ui/src/i18n/no.ts 31: "ui.messagePart.diagnostic.error": "Feil", 32: "ui.messagePart.title.edit": "Rediger", 33: "ui.messagePart.title.write": "Skriv", 34: "ui.messagePart.option.typeOwnAnswer": "Skriv ditt eget svar", 35: "ui.messagePart.review.title": "Gjennomgå svarene dine", packages/ui/src/i18n/ko.ts 28: "ui.messagePart.diagnostic.error": "오류", 29: "ui.messagePart.title.edit": "편집", 30: "ui.messagePart.title.write": "작성", 31: "ui.messagePart.option.typeOwnAnswer": "직접 답변 입력", 32: "ui.messagePart.review.title": "답변 검토", packages/ui/src/i18n/ja.ts 28: "ui.messagePart.diagnostic.error": "エラー", 29: "ui.messagePart.title.edit": "編集", 30: "ui.messagePart.title.write": "作成", 31: "ui.messagePart.option.typeOwnAnswer": "自分の回答を入力", 32: "ui.messagePart.review.title": "回答を確認", packages/ui/src/i18n/fr.ts 28: "ui.messagePart.diagnostic.error": "Erreur", 29: "ui.messagePart.title.edit": "Modifier", 30: "ui.messagePart.title.write": "Écrire", 31: "ui.messagePart.option.typeOwnAnswer": "Tapez votre propre réponse", 32: "ui.messagePart.review.title": "Passez en revue vos réponses", packages/ui/src/i18n/es.ts 28: "ui.messagePart.diagnostic.error": "Error", 29: "ui.messagePart.title.edit": "Editar", 30: "ui.messagePart.title.write": "Escribir", 31: "ui.messagePart.option.typeOwnAnswer": "Escribe tu propia respuesta", 32: "ui.messagePart.review.title": "Revisa tus respuestas", packages/ui/src/i18n/en.ts 28: "ui.messagePart.diagnostic.error": "Error", 29: "ui.messagePart.title.edit": "Edit", 30: "ui.messagePart.title.write": "Write", 31: "ui.messagePart.option.typeOwnAnswer": "Type your own answer", 32: "ui.messagePart.review.title": "Review your answers", packages/ui/src/styles/index.css 33:@import "../components/message-part.css" layer(components); packages/ui/src/i18n/de.ts 32: "ui.messagePart.diagnostic.error": "Fehler", 33: "ui.messagePart.title.edit": "Bearbeiten", 34: "ui.messagePart.title.write": "Schreiben", 35: "ui.messagePart.option.typeOwnAnswer": "Eigene Antwort eingeben", 36: "ui.messagePart.review.title": "Antworten überprüfen", packages/ui/src/i18n/da.ts 28: "ui.messagePart.diagnostic.error": "Fejl", 29: "ui.messagePart.title.edit": "Rediger", 30: "ui.messagePart.title.write": "Skriv", 31: "ui.messagePart.option.typeOwnAnswer": "Skriv dit eget svar", 32: "ui.messagePart.review.title": "Gennemgå dine svar", packages/ui/src/i18n/br.ts 28: "ui.messagePart.diagnostic.error": "Erro", 29: "ui.messagePart.title.edit": "Editar", 30: "ui.messagePart.title.write": "Escrever", 31: "ui.messagePart.option.typeOwnAnswer": "Digite sua própria resposta", 32: "ui.messagePart.review.title": "Revise suas respostas", packages/ui/src/i18n/ar.ts 28: "ui.messagePart.diagnostic.error": "خطأ", 29: "ui.messagePart.title.edit": "تحرير", 30: "ui.messagePart.title.write": "كتابة", 31: "ui.messagePart.option.typeOwnAnswer": "اكتب إجابتك الخاصة", 32: "ui.messagePart.review.title": "مراجعة إجاباتك", packages/plugin/src/index.ts 166: output: { message: UserMessage; parts: Part[] }, 223: input: { sessionID: string; messageID: string; partID: string }, packages/ui/src/context/data.tsx 35: [messageID: string]: Part[] packages/ui/src/components/session-turn.tsx 19:import { Message, Part } from "./message-part" 97: const msgParts = createMemo(() => data.store.part[props.message.id] ?? emptyParts) 123: return 270: if (!message) return emptyPermissionParts 272: const parts = data.store.part[message.id] ?? emptyParts 522: 528: 600: {({ part, message }) => } packages/ui/src/components/message-part.tsx 78: {i18n.t("ui.messagePart.diagnostic.error")} 96:export interface MessagePartProps { 103:export type PartComponent = Component 231: title: i18n.t("ui.messagePart.title.edit"), 237: title: i18n.t("ui.messagePart.title.write"), 279: {(userMessage) => } 283: 290:export function AssistantMessageDisplay(props: { message: AssistantMessage; parts: PartType[] }) { 303:export function UserMessageDisplay(props: { message: UserMessage; parts: PartType[] }) { 495:export function Part(props: MessagePartProps) { packages/ui/src/components/message-part.css 164: [data-slot="message-part-tool-error-content"] { 170: [data-slot="message-part-tool-error-title"] { 181: [data-slot="message-part-tool-error-message"] { 241: [data-slot="message-part-title-area"] { 249: [data-slot="message-part-title"] { 263: [data-slot="message-part-title-text"] { 267: [data-slot="message-part-title-filename"] { 271: [data-slot="message-part-path"] { 277: [data-slot="message-part-directory"] { 286: [data-slot="message-part-filename"] { packages/opencode/test/session/message-v2.test.ts 106: test("filters out messages with no parts", () => { 107: const input: MessageV2.WithParts[] = [ 120: ] as MessageV2.Part[], 132: test("filters out messages with only ignored parts", () => { 135: const input: MessageV2.WithParts[] = [ 145: ] as MessageV2.Part[], 155: const input: MessageV2.WithParts[] = [ 165: ] as MessageV2.Part[], 176: ] as MessageV2.Part[], 195: const input: MessageV2.WithParts[] = [ packages/opencode/test/provider/transform.test.ts 536: test("removes entire message when all parts are empty", () => { 579: test("keeps messages with valid text alongside empty parts", () => { packages/opencode/test/cli/tui/transcript.test.ts 8:import type { AssistantMessage, Part, UserMessage } from "@opencode-ai/sdk/v2" 186: const result = formatMessage(msg, parts, options) 207: const result = formatMessage(msg, parts, options) packages/opencode/test/cli/github-action.test.ts 6:function createTextPart(text: string): MessageV2.Part { 16:function createReasoningPart(text: string): MessageV2.Part { 27:function createToolPart(tool: string, title: string, status: "completed" | "running" = "completed"): MessageV2.Part { 61:function createStepStartPart(): MessageV2.Part { packages/opencode/test/acp/event-subscription.test.ts 196: test("routes message.part.updated by the event sessionID (no cross-session pollution)", async () => { 210: type: "message.part.updated", 233: test("keeps concurrent sessions isolated when message.part.updated events are interleaved", async () => { 251: type: "message.part.updated", 405: type: "message.part.updated", packages/opencode/src/tool/tool.ts 38: attachments?: MessageV2.FilePart[] packages/opencode/src/tool/task.ts 111: const unsub = Bus.subscribe(MessageV2.Event.PartUpdated, async (evt) => { 165: .flatMap((msg) => msg.parts.filter((x: any) => x.type === "tool") as MessageV2.ToolPart[]) packages/opencode/src/tool/plan.ts 65: } satisfies MessageV2.TextPart) 122: } satisfies MessageV2.TextPart) packages/opencode/src/storage/storage.ts 108: const dest = path.join(dir, "part", message.id, path.basename(partFile)) packages/opencode/src/share/share.ts 56: Bus.subscribe(MessageV2.Event.PartUpdated, async (evt) => { packages/opencode/src/share/share-next.ts 50: Bus.subscribe(MessageV2.Event.PartUpdated, async (evt) => { 189: ...messages.flatMap((x) => x.parts.map((y) => ({ type: "part" as const, data: y }))), packages/opencode/src/session/summary.ts 37: async function summarizeSession(input: { sessionID: string; messages: MessageV2.WithParts[] }) { 64: async function summarizeMessage(input: { messageID: string; messages: MessageV2.WithParts[] }) { 77: const textPart = msgWithParts.parts.find((p) => p.type === "text" && !p.synthetic) as MessageV2.TextPart 123: export async function computeDiff(input: { messages: MessageV2.WithParts[] }) { packages/opencode/src/session/revert.ts 43: if ((msg.info.id === input.messageID && !input.partID) || part.id === input.partID) { 47: messageID: !partID && lastUser ? lastUser.id : msg.info.id, 110: await Bus.publish(MessageV2.Event.PartRemoved, { packages/opencode/src/session/prompt/qwen.txt 90:- Tool results and user messages may include tags. tags contain useful information and reminders. They are NOT part of the user's provided input or the tool result. packages/opencode/src/session/prompt.ts 63: resolve(input: MessageV2.WithParts): void 106: MessageV2.TextPart.omit({ 116: MessageV2.FilePart.omit({ 126: MessageV2.AgentPart.omit({ 136: MessageV2.SubtaskPart.omit({ 261: return new Promise((resolve, reject) => { 280: let tasks: (MessageV2.CompactionPart | MessageV2.SubtaskPart)[] = [] 364: })) as MessageV2.ToolPart 397: } satisfies MessageV2.ToolPart) 439: } satisfies MessageV2.ToolPart) packages/opencode/src/session/processor.ts 32: const toolcalls: Record = {} 51: let currentText: MessageV2.TextPart | undefined 52: let reasoningMap: Record = {} 117: toolcalls[value.id] = part as MessageV2.ToolPart 141: toolcalls[value.toolCallId] = part as MessageV2.ToolPart 143: const parts = await MessageV2.parts(input.assistantMessage.id) 378: const p = await MessageV2.parts(input.assistantMessage.id) packages/opencode/src/session/message.ts 124: export const MessagePart = z 127: ref: "MessagePart", 129: export type MessagePart = z.infer 135: parts: z.array(MessagePart), packages/opencode/src/session/message-v2.ts 414: "message.part.updated", 421: "message.part.removed", 436: export function toModelMessages(input: WithParts[], model: Provider.Model): ModelMessage[] { 485: userMessage.parts.push({ 491: userMessage.parts.push({ 499: userMessage.parts.push({ 505: userMessage.parts.push({ 532: assistantMessage.parts.push({ 538: assistantMessage.parts.push({ 554: assistantMessage.parts.push({ packages/opencode/src/session/index.ts 308: const result = [] as MessageV2.WithParts[] 389: await Storage.remove(["part", input.messageID, input.partID]) 390: Bus.publish(MessageV2.Event.PartRemoved, { 400: MessageV2.Part, 402: part: MessageV2.TextPart, 406: part: MessageV2.ReasoningPart, 414: await Storage.write(["part", part.messageID, part.id], part) 415: Bus.publish(MessageV2.Event.PartUpdated, { packages/opencode/src/session/compaction.ts 94: messages: MessageV2.WithParts[] packages/opencode/src/server/routes/session.ts 557: schema: resolver(MessageV2.WithParts.array()), 599: parts: MessageV2.Part.array(), 625: "/:sessionID/message/:messageID/part/:partID", 660: "/:sessionID/message/:messageID/part/:partID", 669: schema: resolver(MessageV2.Part), 684: validator("json", MessageV2.Part), 711: parts: MessageV2.Part.array(), 783: parts: MessageV2.Part.array(), packages/opencode/src/provider/sdk/openai-compatible/src/responses/convert-to-openai-responses-input.ts 177: message: `Results for OpenAI tool ${part.toolName} are not sent to the API when store is false`, 222: message: `Cannot append empty reasoning part to existing reasoning sequence. Skipping reasoning part: ${JSON.stringify(part)}.`, 235: reasoningMessage.summary.push(...summaryParts) 241: message: `Non-OpenAI reasoning parts are not supported. Skipping reasoning part: ${JSON.stringify(part)}.`, packages/opencode/src/cli/cmd/tui/util/transcript.ts 1:import type { AssistantMessage, Part, UserMessage } from "@opencode-ai/sdk/v2" 19:export type MessageWithParts = { 26: messages: MessageWithParts[], 36: transcript += formatMessage(msg.info, msg.parts, options) 43:export function formatMessage(msg: UserMessage | AssistantMessage, parts: Part[], options: TranscriptOptions): string { packages/opencode/src/cli/cmd/tui/routes/session/index.tsx 30:import type { AssistantMessage, Part, ToolPart, UserMessage, TextPart, ReasoningPart } from "@opencode-ai/sdk/v2" 200: sdk.event.on("message.part.updated", (evt) => { 242: // Check if message has valid non-synthetic, non-ignored text parts 680: // Find the most recent user message with non-ignored, non-synthetic text parts 737: toast.show({ message: "No text parts found in last assistant message", variant: "error" }) 775: sessionMessages.map((msg) => ({ info: msg, parts: sync.data.part[msg.id] ?? [] })), 819: sessionMessages.map((msg) => ({ info: msg, parts: sync.data.part[msg.id] ?? [] })), 1238:function AssistantMessage(props: { message: AssistantMessage; parts: Part[]; last: boolean }) { packages/opencode/src/cli/cmd/tui/context/sync.tsx 64: [messageID: string]: Part[] 281: case "message.part.updated": { 284: setStore("part", event.properties.part.messageID, [event.properties.part]) 289: setStore("part", event.properties.part.messageID, result.index, reconcile(event.properties.part)) 302: case "message.part.removed": { 433: draft.part[message.info.id] = message.parts packages/opencode/src/cli/cmd/stats.ts 227: for (const part of message.parts) { packages/opencode/src/cli/cmd/run.ts 159: if (event.type === "message.part.updated") { packages/opencode/src/cli/cmd/github.ts 166:export function extractResponseText(parts: MessageV2.Part[]): string | null { 840: Bus.subscribe(MessageV2.Event.PartUpdated, async (evt) => { packages/opencode/src/acp/agent.ts 186: case "message.part.updated": { 187: log.info("message part updated", { event: event.properties }) 199: messageID: part.messageID, 695: for (const part of message.parts) { packages/function/src/api.ts 211: messages[d.content.messageID].parts.push(d.content) packages/enterprise/src/routes/share/[shareID].tsx 1:import { FileDiff, Message, Model, Part, Session, SessionStatus, UserMessage } from "@opencode-ai/sdk/v2" 73: [messageID: string]: Part[] 135: result.part[item.data.messageID] = result.part[item.data.messageID] ?? [] packages/enterprise/src/core/share.ts 1:import { FileDiff, Message, Model, Part, Session } from "@opencode-ai/sdk/v2" packages/slack/src/index.ts 26: if (event.type === "message.part.updated") { 43: const toolMessage = `*${part.tool}* - ${part.state.title}` packages/sdk/openapi.json 2382: "/session/{sessionID}/message/{messageID}/part/{partID}": { 7099: "Event.message.part.updated": { 7104: "const": "message.part.updated" 7121: "Event.message.part.removed": { 7126: "const": "message.part.removed" 7141: "required": ["sessionID", "messageID", "partID"] 8201: "$ref": "#/components/schemas/Event.message.part.updated" 8204: "$ref": "#/components/schemas/Event.message.part.removed" packages/sdk/js/src/v2/gen/types.gen.ts 477:export type EventMessagePartUpdated = { 478: type: "message.part.updated" 485:export type EventMessagePartRemoved = { 486: type: "message.part.removed" 896: | EventMessagePartUpdated 897: | EventMessagePartRemoved 3369: url: "/session/{sessionID}/message/{messageID}/part/{partID}" 3413: url: "/session/{sessionID}/message/{messageID}/part/{partID}" packages/sdk/js/src/v2/gen/sdk.gen.ts 1694: url: "/session/{sessionID}/message/{messageID}/part/{partID}", 1728: url: "/session/{sessionID}/message/{messageID}/part/{partID}", packages/sdk/js/src/gen/types.gen.ts 406:export type EventMessagePartUpdated = { 407: type: "message.part.updated" 414:export type EventMessagePartRemoved = { 415: type: "message.part.removed" 712: | EventMessagePartUpdated 713: | EventMessagePartRemoved packages/app/src/utils/prompt.ts 1:import type { AgentPart as MessageAgentPart, FilePart, Part, TextPart } from "@opencode-ai/sdk/v2" 53: * Extract prompt content from message parts for restoring into the prompt input. 116: const agentPart = part as MessageAgentPart packages/app/src/pages/session.tsx 1152: const messageID = parts[1] packages/app/src/pages/layout.tsx 38:import { Session, type Message, type TextPart } from "@opencode-ai/sdk/v2/client" 689: message.parts packages/app/src/i18n/fr.ts 213: "dialog.fork.empty": "Aucun message à partir duquel bifurquer", packages/app/src/context/sync.tsx 8:import type { Message, Part } from "@opencode-ai/sdk/v2/client" 86: message.parts 149: draft.part[input.messageID] = input.parts packages/app/src/context/global-sync.tsx 96: [messageID: string]: Part[] 634: case "message.part.updated": { 638: setStore("part", part.messageID, [part]) 643: setStore("part", part.messageID, result.index, reconcile(part)) 655: case "message.part.removed": { packages/app/src/context/global-sdk.tsx 34: if (payload.type === "message.part.updated") { 36: return `message.part.updated:${directory}:${part.messageID}:${part.id}` packages/app/src/components/session/session-context-tab.tsx 13:import type { AssistantMessage, Message, Part, UserMessage } from "@opencode-ai/sdk/v2/client" 276: const parts = (sync.data.part[msgProps.message.id] ?? []) as Part[] 277: const contents = JSON.stringify({ message: msgProps.message, parts }, null, 2) packages/app/src/components/prompt-input.tsx 57:import { createOpencodeClient, type Message, type Part } from "@opencode-ai/sdk/v2/client" 1402: draft.part[messageID] = optimisticParts 1420: draft.part[messageID] = optimisticParts